Home

Sharp MD-MT877C MiniDisc Player User Manual

1. A ua s R251 ri 5 1 801 0801 9 5 e 24 Y East TT TT que e e e Egry Pess of ig e 13 ed B FROM we TRE 5 9 OPTICAL SIP gala i
2. EXTENSION CONTROL GND EXTENSION TERMINAL TERMINAL TERMINAL T TERMINAL Em f 2 3 A A e BATTERY TERMINAL 208 8 Tele E Eh co T e 4 12028 2 805 a a s 9 al A281 TP803 e q 13 151 p 0251 0103 q 3108 C151 8015 99 15g 3 L100 100 um e TP10 O O a 5 O OTP113 04 e 85 Pen C109 TP122 TP402 999 8 cise 108 4926 o 107 111 8 8 252 88 1 1p TP em ee eTPI21 17462 TP413 4 SSOP R19 TP100 110 Cells 139 1 0107 e P119 108 203 224 e P06 115
3. Pin Port Name Terminal Name Input Output Function 1 PE5 SYRS Output System LSI register selection output 2 PE6 _SYRD Output System LSI read enable output 3 PE7 _SYWR Output System LSI write enable output 4 11 PDO PD7 SYDO SYD7 Input Output System LSI parallel data bus 12 Input Power supply of internal voltage drop circuit 13 PCO PCLAT Output Record audio IC data latch output 14 Vss VSS Ground potential 15 PC1 _MCPGI Input Microphone plug insertion detection input 16 PC2 _INPGI Input Line digital plug insertion detection 17 PC3 INPGCK Input Line digital plug type detection 18 PC4 RCPCNT Input Output Record circuit power control output 19 PC5 TEST1 Input Test mode setting input 1 20 PC6 TESTO Input Test mode setting input 0 21 PC7 JPNP Input Kana conversion Kana input existence nonexistence discrimination 22 PBO OPICGA Output P U detection sensitivity switching output 23 1 Output RF_LSI power supply ON OFF control output 24 TIOCC3 BUZOUT Output Beep sound pulse output 25 PB3 SGAIN Output RF amp gain pllarity switching output 26 PB4 DISCP Output RF amp TE polarity switching output 27 TIOCB4 MCMON Output Internal operation status monitor 28 PB6 RACLK Output Audio IC data clock output 29 PB7 RADAT Output Audio IC serial data
4. Pin Port Name Terminal Name Input Output Function Remarks 56 4 Undecided justice Output Not used Not used 57 5 LDCNT1 Output Recording head raising lowering control output 0 See the separate table 3 58 EXPORT6 LDCNT2 Output Recording head raising lowering control output 1 See the separate table 3 59 EXPORT7 1 Output Audio emphasis control output 1 See the separate table 2 78 EXPORT3 HDON Output Recording head Record electric current 79 EXPORT2 OPTCNT Output Optical digital input circuit ON OFF control H Circuit operation ON 80 EXPORTO DAPON Output D A converter operation control output H Operation ON 81 EXPORT1 ADPON Output A D converter operation control output H Operation ON In this unit the terminal with asterisk mark is open terminal which is not connected to the outside 1 List of TEST port settings 2 List of EMPH port settings 3 List of LDCNT port settings TEST1 TESTO Details EMPH1 EMPHO Details LDCNT2 LDCNT1 Details H H Normal mode H H fs 32K ON H H Brake H L No adjustment mode H L fs 48K ON H L Drive UP L H Test mode L H OFF L H Drive DOWN L L Settings prohibited L L fs 44 1K ON L L Output OFF de MD MT877 MD MT877C 44 MD MT877 MD MT877C SHARP PARTS GUIDE PORTABLE MINIDISC RECORDER MD MT877 S
5. RANK OTHER CIRCUITRY PARTS CN101 CN451 CN601 1 F841 9701 9702 4703 901 M902 M903 SW401 SW901 SWAO01 SWA02 SWA03 SWA04 SWA05 SWA06 SWA07 SWA08 SWA09 SWA10 SWA11 SWA12 SWA13 QCNCWO046XAWZZ J QCNCW862PAFZZ J QCNCW862LAFZZ J QCNCW047GAWZZ J QFS L401AAFNZ VHLGP1FD202 1 QJAKMOO18AWZZ QJAKMO015AWZZ RMOTV0031AWZZ RMOTS0002AWZZ RMOTVO0033AWZZ QSW M0010AWZZ QSW M0008AWZZ QSW K0237AFZZ QSW K0237AFZZ QSW K0237AFZZ QSW K0237AFZZ QSW K0237AFZZ QSW K0237AFZZ QSW K0237AFZZ QSW K0237AFZZ QSW K0237AFZZ QSW K0237AFZZ QSW K0237AFZZ QSW K0237AFZZ QSW M0009AWZZ c J J J J J J J J J J J J J J J J J J J J J MD MECHANISM PARTS 1 2 NGERH0125AWZZ NSFTD0007AWZZ J J AB AL DESCRIPTION 22 kohms 1 16W 100 kohm 1 16W 2 2 kohms 1 16W 27 kohms 1 16W 100 kohm 1 16W 47 kohms 1 16W 2 2 kohms 1 16W 100 kohm 1 16W 270 kohms 1 16W 10 kohm 1 16W 390 kohms 1 16W 3 9 Mohms 1 16W 270 kohms 1 16W 2 2 kohms 1 16W 100 kohm 1 16W 180 kohms 1 16W 47 ohms 1 16W 1 5 Mohms 1 16W 100 kohm 1 16W 47 ohms 1 16W 22 kohms 1 16W 270 kohms 1 16W 10 kohm 1 16W 180 kohms 1 16W 560 kohms 1 16W 10 kohm 1 16W 18 kohms 1 16W 10 kohm 1 16W 470 ohms 1 16W 10 kohm 1 16W 100 kohm 1 16W 270 kohms 1 16W 180 kohms 1 16W 100 kohm 1 16W 10 kohm 1 16W 100 kohm 1 16W 5 6 kohms 1 16W 8 2 kohms 1 16W 18 kohms 1 16W 56 kohms 1 16W 5 6 k
6. T REC Continuous record menu PLAY Vv AUTO Practice finish gt E r A D J YES AUTO Practice finish gt AUTO Practice YES YES No error NO 7 ADJ NG Continuous record AP HH HF Address Continuous record playback from any address T REC Continuous record menu DISP Ad0032 Start address setting PLAY Continuous record Address When the STOP button is pressed in specific condition the TEST MODE STOP state is set In the start address set state the start address changes as follows when the DISP button is pressed 003 21 initial value 03 0 0700 08 0 Ado 2295 ado 700 gt 0 0950 po Ad0950 lt the start address setting state the start address change digit changes when the P MODE button is pressed 1st digit initial value 2nd digit 3rd digit 50 12 Jado 0 5 0 Ad0050 MODE the start address set state the value of selection digit changes in the range of Oh to Fh when the FAST FORWARD REVERSE button is pressed In the continuous record state and start address set state the record laser power changes in the range of Oh to Fh when the VOLUME button is pressed Initial value 21 MD MT877 MD MT877C Servo Pre Manual Adjustment SK
7. SKIP UP 1 SAP pown Slide external Slide internal periphery move periphery move Vv SKIP DOWN AUTO1 _ Pre automatic adjustment menu SKPUP Y SKIP DOWN AUTO2 _ ATT auto adjustment menu SKPUP DOWN T_PLAY Continuous playback menu sc DOWN T_REC Continuous record menu Y SKIP DOWN MANU1 _ Pre manual adjustment menu SKPUP Y DOWN MANU 2 _ ATT manual adjustment menu SKIP UP SKIP DOWN RSLT1 Pre adjustment value check menu SKIPUP A skip DOWN RSLT2 ATT adjustment value check menu SKPUP X SKIP DOWN DinMon Digital input signal monitor menu SKPUP y SKIP DOWN E DATA Error history display menu SKIP UP SKIP DOWN NORMAL Test mode normal play menu SKIP UP TSKP Down EEPROM EEPROM setting menu SKIP UP When the STOP button is pressed in specific menu the TEST MODE STOP state is set When the VOLUME button is pressed in the TEST MODE STOP state the program version is displayed for 2 seconds When the VOLUME button is pressed in the TEST MODE STOP state all the displays appear for 2 seconds Servo Preautomatic Adjustment AUTO1 Preautomatic adjustment menu PLAY Adjustment error AT1 During preautomatic adjustment Adjustment error Normal end ADJ Preadjustment error adjustment value output ADJ Pr
8. Explanation of error history code 13h Adjustment servo retraction excessive retrial 16h IN detection time over 17h and TCRSO offset measurement value out of tolerable range 21h Focus retraction completion allowable time over 23h Track search completion allowable time over 32h P TOC read failure 42h U TOC read failure 44h U TOC write data write disabled read check error 45h U TOC write test failure 52h SD write data write disabled 72h EEPROM data read check sum error 73h Record head drive disabled by EJECT lever 91h Ambient temperature is higher that the allowable temperature 14 7 NORMAL Mode When the STOP button is pressed while the NORMAL menu appears the mode changes to the TEST mode stop state Indication during operation Indication of memory capacity on main unit LCD _ Level meter Internal mode KXXX Address Cluster section Address Sector section Selection of sound volume BASS etc is possible without indica tion Recording is also possible If the STOP button is pressed during operation in the NORMAL mode the NORMAL mode is cancelled and the power is turned off 8 Error data display Mode Reversing when FAST REVERSE button is pressed When the STOP button is pressed while the error data indication menu appears or during error data indication the
9. ee ee This document has been published be used SHARP CORPO RATION for after sales service only The contents are subject to change without notice MD MT877 MD MT877C FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT PLEASE REFER TO THE OPERATION MANUAL Power source SPECIFICATIONS Rechargeable Nickel Metal Hydride battery AD N55BT x 1 AC adaptor AC 120V 60 Hz Commercially available AA size LR6 alkaline battery x 1 Separately available car adaptor AD CA55X for cars with 12 24V DC negative ground electrical sys tem Used with separately available plug adaptor AD M66PA 1 2 5V 1 5 1 5 Power consumption 7 W AC adaptor Output power RMS 10 mW 5 mW 5 mW 0 2 T H D Charging time Approx 3 5 hours Input sensitivity 0 25 mV 2 5 100 mV 10 ohms 10 k ohms 20 k ohms MIC H reference input level MIC L reference input level LINE reference input level input impedance input impedance input impedance Output level load impedance 32 ohms load impedance 10 k ohms Earphones maximum output level 5 mW 5 mW LINE specified output 250 mV 12 dB Dimensions Width 2 27 32 71 9 mm Height 11 16 16 8 mm Depth 3 1 8 78 7 mm Weight 0 29 Ibs 131 g with rechargeable battery Input jack Line optical digital microphone powered by the
10. All the supply of the power supply is turned off In such cases as the battery If you replaced EEPROM set the EEPROM valume to the final version Test Mode Start Completion methool Starting method of the test mode When the unit is in the stand by state with no display the test mode is started by performing the following operation using the remote control Press the PLAY button while pressing the PLAY MODE button and release the PLAY MODE button while keeping the PLAY button pressed and press the VOLUME button Indication after the start TEST __ To the test mode stop mode menu N Performance mode Normal Playback volume 28 LINE REC volume 30 Volume Microphone REC volume 20 Resume setting Cancellation Version indication 2 seconds EEPROM version OOO OLA Destination y Volume Program version All the lighting LCD all the lighting two seconds How to cancel the test mode TEST __ Test mode stop STOP BYE OK or NG Check the microcomputer and EEPROM with the contents of the preliminary adjustment MER OFF Pickup position initialisation EEPROM contents renewal 18 MD MT877 MD MT877C Change of Tset Mode Menus TEST BASS mode stop
11. S 80820L 155361 RESET 77 62 5 22K 3 5 8464 Gar CUR vc I C454 0 0022 MECHANISM FLEXIBLE NOTES ON SCHEMATIC DIAGRAM can be found on page 28 numbers are waveform numbers shown in page 37 Figure 30 SCHEMATIC DIAGRAM 1 2 30 MD MT877 MD MT877C SSS nn DADATA 1 m mi a T g ADPON amp ci er 5 09 a MODE 8 2K ga FAST REVERSE a 2 e DE Wy 11501008 350 8501 470 50
12. Disc B 1M 150 133385 al 5 scan 5 5 5 55 2 1 29161 zelo og S HDON FRE IC201 gol gl Ej LR378161 111 ENDEC SERVO Pan SWR 300K ATRAG ER Brza SYWRX D IC101 IRSRS8M me aro PTA 5205 RF SIGNAL PROCESSOR PXE 85 H 16 P 5 D RAM 3 1 55 5 q Tone 5 E e 5 0151 0103 f 001 FDG312P H 4 2 7 E 100K lt bon ara o lt Q OPICGA bs sca 3 1 Disc 25 X 4 0090090 AUSGLKO AUDATA 1 CHGGNT x 39 6 1 Leconte e LOGNTZ SGAIN e m cun DiscP R909 Ice It 10401 PONTA 04 t SYSTEM EE ed ln 7 MICROCOMPUTER a 4 E 3 RKEY DONTI 1 c SUNT IET oS ui 16353 BMDAT STOF gt FTD2005 q ELON cei der HEAD DRIVER Raos 8505 3 era 6602 FORA 1 u 5 I 1 SR C604 qut p 5401 al 1 BER xL401 EE 5 0435 F 8 368 2 29858488 9155372 601 10K BD6640KV I MOTOR DRIVE aoe 100 Sy sd Raga Fae 8 E e 8 5 LLL 119 8 i SW901 DISC PROTECT 4B 4 8 TP610 C605 1 1 600 q 2263 10431
13. 5 0 6 077 PIN VOLTAGE 1 5 17 V 3 13V NO 1 ov 5 2 3 V 5 25V NO 2 466V 4 538V 1 2 ov 6 537V 1 jov 3 466v 5 494V 2 056 3 25v 2 4 1 8V 6 3 46V 4 3 ov 5 OV 7 4 ov 5 4 6 ov 8 13V 5 6 246 5 0 58V 6 ov 6 0 86V MD MT877 MD MT877C WAVEFORMS OF MD CIRCUIT Stopped 1994 12 15 22 54 19 Stopped 1994 12 16 00 24 17 4 1994 12 16 01 03 40 CHF S msidw 7 OMV DC 10 1 10 1 DC 10 1 50ms div DC 10 1 DC 10 1 50us div DC 10 1 DC 10 1 2msidiv An NORM TOOMS 3 ENV TP208 2 FEMON 1 501 9 201 EFMMON 1C501 12 SCLK TP120 F TP210 TEMON E 1C501 10 CK206 LRCK TP209 CIN CK204 1 501 11 FOK MCLK Filler Offset Record Length Tigger Filer Offsei Record Length Trigger Filer Ofsel Record Length Trigger Smoothing OFF CH1 0 0V Main 10K NORMAL Smoothing OFF 0000 5 Mode AUTO Smoothing OFF CH1 000V 10K NORMAL BW FULL 00000 Zoom 10K EDGECH4 Y BW FULL CH2 00V Zoom SK EDGECH3 Y BW FULL 00V Zoom 10K EDGECH2 0000 Detay 0 0ns Detay 0 0ns CH3 00000 Detay 0015 Hold OFF
14. 99 MD MT877 MD MT877C HB_OOO High reflection pit section B ATT focus setting Lb O Low reflection pit section B ATT focus setting Low reflection groove section focus setting LB_OOO ATT setting PLAY NP MODE mE Continuous playback pit section SQ Continuous playback groove section AP H H Address If the BASS button is pressed in the laser ON state with no disc or the lid open laser power changes as follows Playback power BASS Record power BASS Maximum power LON_P_ gt 3LON_R_ 3LON M BASS the specific setting display state the setting change digit changes when the P MODE button is pressed 1st digit initial value 1 2nd digit 3rd digit 000 LP MODE 000 MODE the specific state the setting changes in the range of Oh to Fh when the VOLUME button is pressed If the DISP button is pressed the disp LPFABO measurement value HA OOO HB OOO La OOO Lb 000 DSP ISP ab OOo TCRSMIO measurement value changes as follows High reflection pit section A ATT focus setting High reflection pit section B ATT focus setting Low reflection pit section
15. MINIMUM Hold OFF MINIMUM 000 Hold OFF MINIMUM Stopped 4 1994 12 15 23 31 21 Stopped m 1994 12 18 092646 Stopped 1994 12 16 01 29 16 CHIV CHEN 7 50 CHI 2V 2 av THIN 1 50011571 DC 101 DC 101 i Gomsiaiv DC 101 DC 10 1 DC 10 1 DC 10 1 DC 10 1 600ms aiv ENV ENV i MORM 200MS s 1 201 25 208 SPDRR FEMON i i TP201 TP210 al EFMMON 54 ici hsb ech hee i nb RAT TEMON VS Traceli 12800 i Bandwidth Smooth i 20MHz ON Offset Record Length Triggen Record Length Trigger Fiter Ollsel Record Length Trigger Smoothing OFF 0009 Main 10K NORMAL Smoothing OFF CH1 0000 10K AUTO Smoothing OFF CHI 00000 1K AUTO BW FULL CH2 0000 Zoom 10K EDGECHI BW FULL CH2 0000 Zoom 10K EDGECH2 Y BW FULL CH2 00V Zoom 1K EDGECH 00 Detay oons 0008 Detay 0015 Delay oons Hold OFF MINIMUM 00000 Hold MINIMUM Hold OFF MINIMUM Stopped 3 1994 12 15 08 57 26 L _____ 1994 12 15 09 58 45 Stopped 1934 12 15 08 39 46 CHi 2V CH2 2V CHBFS00mV Zmsidiv CH2c2V CH3jZV CH zaV CHi 2V CH2c2V CH342V DC 10 1 10 1 emsidiv DG 10 1 DG 101 DG 10 1 15199 DC 10 1 DC 10 1 199 ENV ENV NORM 1kS s
16. OFF MINIMUM For 208 209 and 210 use the specific LPF and When watching the EEM monitor TP201 observe the waveform Set MSL from 00h to 80x with EEPROM control setting After completion restore 10K Measurement TP 4 1000 197 MD MT877 MD MT877C TROUBLESHOOTING Use the test mode which indicates trouble causes before repairing the unit This mode records maximum 2 past error causes as codes Refer them for repairing Preparations If dusts and foreign materials are accumulated on the pickup lens playback sounds can be skipped or the TOC Table of Contains can t be displayed Clean the object lens and check the playback When lens are dirty do the following Turn off the power and wipe lens softly with a cleaning paper and a little marketing so as not to damage them Do not touch lens with bare hands If the unit doesn t work If the unit doesn t start after cleaning the pickup objects lens lens check the unit as follows Perform the check stated in item Power is not turned on when the H button is pressed Perform the check stated in item Abnormal display Perform the check stated in item Playback state cannot be set Perform the check stated in item Audio playback circuit Perform the check stated in item Recording playback operation If HOLD appears press an
17. A eo 29 1699 29 MD MT877 MD MT877C 109 MAIN PWB A p 55 5 we 114 8111 01121 a 552 oaz 5 T12K ER 139 1 PLAYBACK SIGNAL 4 e gt gt RECORD SIGNAL can 3 elea weckt paral Y 915 8 m eue R222 Gina EXIRET 0211 SPICH 114 ADIPNF 201 C103 Fa polo C 33 8688MHz 2 aourt mas 10101 qp mol Lc113 veez 1 i 1M 150K c 5 BIN CK102 Risa 8132 2
18. Pit section F ATT tracking setting d sk DOWN GE_ Groove section tracking setting SKPUP SKIP DOWN GF_O Groove section F ATT tracking setting Tte pown HA High reflection A ATT focus setting SKPUP DOWN HB OOQ High reflection B ATT focus setting SKIP UP SKIP DOWN LA Low reflection focus setting SKIP DOWN LB 9 Low reflection B ATT focus setting SKIP UP Ask p DOWN GC _ 00 TCRS ATT setting When the STOP button is pressed in specific menu the TEST MODE STOP state is set In the specific setting display state the setting change digit changes when the P MODE button is pressed In the case of the setup value three digits 1st digit initial value 2nd digit 3nd digit PES xx FEIN ib In the specific state the setting changes in the range of Oh to Fh when the VOLUME button is pressed 26 Test Mode Normal Playback NORMAL PLAY Test mode normal playback menu Normal playback mode Mode and address indication When the STOP button is pressed in specific menu the TEST MODE STOP state is set EEPROM Seiting Menu transition EEPROM EEPROM setting men
19. Visualizaci n TOC To update the recorded contents of the MiniDisc Press the button while in the stop mode The power turns off after recorded contents have been updated on the MiniDisc Para actualizar el contenido grabado del MD Pulse el bot n W OFF en el modo de parada La alimentaci n se desconectar despu s de haber actualizado el contenido grabado en el MD gt MD MT877 MD MT877C DISASSEMBLY mini disc Cares before disassembling When assembling the machine after disassembling or repair observe the following requirements so as to ensure safety and performance 1 Remove the batteries from the machine and take out the 2 When assembling after repair be sure to position the wires in the same location Use the specified screws to fix the cabinet and the mechanism unit The use of the screws with length other than specified may cause contact with the mechanism unit resulting in malfunction 3 When repairing pay close attention so not to damage the IC from static electricity STEP REMOVAL PROCEDURE FIGURE 1 Bottom Cabinet 10 1 2 Top Cabinet Flexible PWB B2 x1 10 1 10 2 3 Main PWB 1 1 2 SCIOW issues B1 x4 3 1 Open the rechargeable battery compartment of the direction indicated by arrows 2 Screw C1 x1 3 Flexible PWB C2 x2 10 2 4 MD Mechanism a Pull
20. lt 22425029 ONT TT HOLON 43785 Jy eb LOWMS 206 1 88 2 NGISNS 1x5 13538 134 SON HO N 1808 5 10801 EIVEHAO 12821 T IPSOS 13538 Nora 918080876 16201 216 6077 037686414 12201 22821 2616 1 0 10 18 87 2610 Ly Ov Gd98ZSZN EMS ee LS 1 HOLON 134 SOW HO N I4 66 96 19801 6 1 0 SE LOGIN H31H3ANOO YaALNdWOOOUOIN 451028085 90 90 IN31SAS 6s 14 WA eer 29801 1072 en 9 so 669262 7 92672261 9 8696 11 1 if lt lt 1933 882 10 5 lt Suz 96 ou 22524929 00221 gt YOLVINDAY u 48714 a 2 282 O HOW S 0v 62 1 SIS Sie v HOT N6SHEHI ZE LALSSPMV HOSS3I0Ud Ald 5 0 21 1 6 TWNOIS am 10121 er ir 2297929 LRL 1 2280 az n 02 E 20 33A OO SA NvSuEul 0r i 4002014 eseo 4 gt 225 Sidia S 132015 91 123 ys LOZ avah ES Z 68 01 SE HOLOW 141 T LS EM Ace dvregexi 2069 1866181 re
21. 10 hours 19 5 hours Continuous Continuous recording 6 hours When using one commercially avail able high capacity AA size LR6 al kaline battery with the rechargeable bat tery fully charged The above values are the standard values when the unit is operated hori zontally and charged at an ambient temperature of 77 F 25 C The operable duration with the rechargeable battery will be shorter when the unit is carried around The volume level is set at VOL 15 Continuous Continuous recording play Approx Approx 30 hours 140 hours Continuous Continuous recording play Approx Approx 22 hours 33 hours Continuous recording Approx 15 hours 29 hours Operable duration with a commercially available battery varies depend ing on its maker type and conditions of use Fully charged means that the charging is complete after approximately 3 5 hours since the remaining amount of the battery is reduced to 1 bar The LED is set at LIGHT OFF notice Specifications for this model are subject to change without prior NAMES OF PARTS 1 Record Track Mark Button 2 Mode Button 3 Volume Cursor Fast Forward Fast Reverse Recording Level Name Select Button 4 Stop Power Off Hold Button 5 Open Lever 6 Display Character Select Button 7 Edit Auto Mark Time Mark Button
22. i TP208 EFMMON 210 210 TE pr o TEMON TUIS 1C201 25 SPDRR i Record Lengthe Triggers Fite Record Length Triggers Record Length Triggers Smoothing OFF O 00V Mam Mode NORMAL Smodhing OFF de dU Modes AUTO Smoothing OFF CH1 00V Main TK Mode AUTO BW FULL CH2 0 00V Zoom 10K EDGECHi BW FULL CH2 0004 Zoom 10K EDGECHI BW FULL CH2 0 00V Zoom 10K EDGECHi 0000 Detay 0 008 Dey 000 Detay 00V Hold OFF MINIMUM Hod MINIM Hold OFF MINIMUM PR ioc feris dons Stopped q 1994 12 15 21 54 52 ME CHIN CHZN I ON I CAN 7 SOAN DC i101 De 10 208 48 Do 403 DC 10 0 101 500280 Eun ENV EFMMON j y Ck108 gt TP210 ADIPO M 121 a i T Olfset Record Length Trigger Filter Offset Record Length Trigger Smoothing OFF 00000 4K NORMAL Smoothing OFF 0000 10K NORMAL BW FULL Zoom 4K EDGECH BW FULL CH2 0000 Zoom 10K EDGECH2 0 000 Detay 0 08 Detay 0 015 pM rod NIMM CHa 0008
23. 02 59 0 3 ov 8 1 39 V 6 445V ov 4 25V 60 4 ov EA 9 0 55 7 5 449V 5 25V t 13V 5 25V 5 10 0554 8 1 12200 6 25V 621 6 oV O VOLTAGE 11 0 55 V 9 445V VOLTAGE 68 ov 7 25V D 128V 12 271 10 ov 1 0261 ov 8 25 5 0 13 0 11 143V 2 27V NO VOLTAGE TRIN 14 0 58V 12 445V 3 134 1 128V NO y 12251 12651 15 0 94 V 13 4 2 28V 0 PIN 822 16 0 94 V 14 451V 5 25V 1 36V 2 ov NO VOLTAGE RB VOLTAGE 17 0 94 V 4 128V 3 ov teats V 1 27V NO 18 0 94 V 12431 5 ov 4 ov 2 13 2 ov 1 1 25V 19 1 07 V PIN voLTAGE 10353 5 055v 3 3 2 28V 20 18V NO PIN VOLTAGE 1 354 6 115V 0 4 ov 21 201 1 225 NO PIN VOLTAGE 5 42 22 1 61V 2 2 5 i M 0253 10271 6 0 5V 5 12V 2 PIN PIN 6 117V 23 i Lov 3 ov 2 NO VOLTAGE VOLTAGE 1 05 7 118V 3 ov 1 5 39 V 1 8 125V 0801 0802 5 ov 4 2 Y 2 ov 2 ov PIN 6 5 ov 066V VOLTAGE VOLTAGE oV Bi OE 1 085 1 ov 27V 0252 5 25 5 27 VOLTAGE 2 0 9V 2 13V PIN VOLTAGE 6 5 37V 27V 1 oV 3 09V 0 85 V 0442 y 0807 5 2 2 054 4 2 cmi voLTAGE gt EN vorige VOLTAGE 4
24. 1 10W 22 uH Choke 4 7 wH Choke 22 uH Choke 10 uH Tip Solid Induction 100mA Tip Impeder 150mA Tip Impeder 150mA Tip Solid Induction 100mA 10 uH Choke 4 7 uH Choke 10 uH Choke Crystal 33 8688 MHz Ceramic 3 68 MHz 10 uF 6 3V Electrolytic Tantalum 1 uF 6 3V 1 uF 6 3V 0 1 uF 10V 1 uF 6 3V 0 22 uF 10V 1 uF 6 3V 0 1 uF 10V 1 uF 6 3V 5 pF CH 50V 220 pF 50V 330 pF 50V 0 1 uF 10V 0 22 uF 10V 0 01 uF 16V 0 033 uF 10V 33 uF 6 3V Electrolytic 1 uF 6 3V 10 uF 6 3V Electrolytic Tantalum 47 uF 6 3V Electrolytic Tantalum 0 1 uF 10V 0 47 uF 10V 0 1 uF 10V 0 1 uF 10V 0 1 uF 10V 5 pF CH 50V 8 pF CH 50V 0 1 uF 10V 0 01 uF 16V 1 uF 6 3V 0 1 uF 10V 1 uF 6 3V 0 01 uF 16V 47 pF CH 50V 10 uF 6 3V Electrolytic Tantalum 0 1 uF 10V 0 1 uF 10V 0 039 uF 50V 0 1 uF 10V 0 47 uF 10V 0 022 uF 25V 0 0022 uF 50V 0 1 uF 16V 1 uF 6 3V 0 47 uF 10V 10 uF 6 3V Electrolytic Tantalum 0 0022 uF 50V 3 3 uF 10V Electrolytic Tantalum 0 001 uF 50V 1 uF 6 3V 0 1 uF 10V 22 uF 6 3V Electrolytic Tantalum NO PARTS CODE 601 604 VCKYCYOJB105K J C605 VCKYCZ1AB104K J C608 VCKYTV1AB105K J 0652 VCKYCZ1AB104K J 701 702 VCSAPROJJ106M J 703 VCKYCZ1CB103K J 711 712 21 101 J 713 714 VCKYCYOJB105K J C715 VCKYCZ1AB104K J 721 722 VCSAPR1AJ335M 723 724 VCKYCZ1HB102K J 725 726 VCSAPR1AJ335M C731 VCKYCY1AB224K 733 734 VCKYCZ1AB104K 753 7
25. 176V 3 047 39 07V 39 202V 89 25V 39 ov 89 249V 39 1 66 10 ov 4 ov 40 249V 40 16V 90 40 244 90 ov 40 13V 11 0 88 V 5 t17V 41 151V 41 16V 91 08 41 ov 91 247V 41 162V 12 6 117V 42 ov 42 1 07V 92 42 ov 92 247 42 ov 13 2 27 V 7 1 16 43 125V 43 185V 93 125V 43 ov 93 25V 43 1 62V 14 0 8 126V 44 0 28 V 44 248V 94 07 44 94 249 44 13 15 ov 12671 45 0 28 V 45 1 65V 95 1 25 V 45 234 95 ov 45 25V 16 176v PIN 46 125V 46 t59V 96 14V 46 1 47 V 96 25V 46 25V 17 oV NO VOLTAGE 47 0 28V 47 107 V 97 47 249 V 97 249V 47 725V 18 476 V 1 t24V 48 0 28V 48 2 39 V 98 249 V 48 249 V 98 ov 48 124 19 1 76 2 249V 49 1 88V 99 249 V 49 249 V 99 249 V 49 611V 20 ov 3 so 113v 100 ov 50 2 49 100 249V 50 124 21 4 125 10202 Preform the measurement on 51 3 72 V 22 0 5 25V VOLTAGE the IG401 pin ar in the TL 52 124V 23 ov 1 271V 10351 10404 LOD isin TEST state 53 1 04 24 IC801 PIN Tvorrace PIN votraee es 54 ov PIN Teb 9 OV 25V 0103 55 ov 1 402 No VOLTAGE 4 247V 2 0 voLTaGE RN voLTAGE 56 13V VOLTAGE 1 0v 5 185 445V ov 1 ov 1 25V 57 OV ean 6 ov 4 OV 4 OV 2 7 43 2 25V 58 ov 2 25V 4 a 7 107V 5 5 25V 25V
26. R271 272 R273 R274 R275 R276 R277 R278 R281 R282 R291 R292 R351 R361 R402 R403 R404 R405 R406 R407 408 R411 R412 R413 416 R422 R423 R424 425 R431 R441 R442 R445 R461 R462 R463 R464 R492 R495 R496 R501 502 R701 702 R703 R710 R711 712 R713 714 R715 716 R717 718 R719 720 R723 724 R725 R726 R727 R728 R729 730 R731 733 R754 R757 R758 R761 R762 R765 766 R801 R802 R803 R804 R805 R806 807 R808 R809 MD MT877 MD MT877C PARTS CODE VRS CZ1JB104D VRS CZ1JB681J VRS CZ1JB105J VRS CZ1JB220J VRS CZ1JB564J VRS CZ1JB333J VRS CZ1JB105J VRS CZ1JB564J VRS CZ1JB104J VRS CZ1JB105J VRS CZ1JB334J VRS CZ1JB222J VRS CZ1JB105J VRS CZ1JB334J VRS CZ1JB104J VRS CZ1JB101J VRS CZ1JB474D VRS CZ1JB473D VRS CZ1JB563D VRS CZ1JB153D VRS CZ1JB124D VRS CZ1JB222J VRS CZ1JB220J VRS CZ1JB102J VRS CZ1JB473J VRS CZ1JB222J VRS CZ1JB104J VRS TV2AB3R9J VRS TQ2BB150J VRS CZ1JB104D VRS CZ1JB102J VRS CZ1JB104J VRS CZ1JB103J VRS CZ1JB223J VRS CZ1JB104J VRS CZ1JB104J VRS CZ1JB153J VRS CZ1JB102J VRS CZ1JB104J VRS CZ1JB223D VRS CZ1JB223J VRS CZ1JB334J VRS CZ1JB121J VRS CZ1JB821J VRS CZ1JB103J VRS CZ1JB104J VRS CZ1JB223J VRS CZ1JB104J VRS CZ1JB224J VRS CZ1JB102J VRS CZ1JB102J VRS CZ1JB220J VRS CZ1JB471J VRS CZ1JB101J VRS CZ1JB104J VRS CZ1JB470J VRS CZ1JB682J VRS CZ1JB103J VRS CZ1JB104J VRS CZ1JB102J VRS CZ1JB682J VRS CZ1JB682J VRS CZ1JB101J VRS CZ1JB393J VRS CZ1JB822J VRS CZ1JB102J VRS CZ1JB4
27. The total of the recorded time and the One cluster approximately 2 seconds is the minimum unit for recording remaining time does not match the maxi For example a 3 second track uses 2 clusters approximately 4 seconds mum recordable time Therefore the actual recordable time may be shorter than the displayed time Combine function does not work A MiniDisc on which recording and editing are repeated may not allow the combine function Sound skips in fast reverse forward One track is divided and recorded in separate places on a repeatedly re corded or edited MiniDisc Sound may skip A track number is created in the middle A track number may be created if there are scratches or dust on the MiniDisc of a track Troubleshooting Many potential problems can be resolved by the owner without calling a service technician If something seems to be wrong with this product check the following before calling your authorized SHARP dealer or service center PROBLEM CAUSE PROBLEM CAUSE The unit does not Is the AC adaptor disconnected The MiniDisc can Has the track number or character turn on 15 the battery exhausted not be ejected information been updated on the e Is the unit in the hold mode disc yet Has condensation formed inside the Is the unit in the recording or edit unit ing mode Is the unit being influenced by me Recording and Is the MiniDisc protected against chanical shock or
28. miento Close the compartment 2 ers Cierre el compartimiento Lift it up Levantelo 3 Insert a MiniDisc as shown Inserte un minidisco como se muestra When you record on a MiniDisc check that the erase prevention tab is set to the recordable position Cuando desee grabar en un minidisco compruebe que la leng eta de protecci n contra borrado est colocada en la posici n para poder grabar Recording prevented Recordable Para poder grabar Para no poder grabar 3 Connection Conexi n Red To Right p Rojo A la derecha 9 S To Left Blanco Ala izquierda LINE OUT To stereo system with LINE OUT or AUDIO OUT e jacks See left Analog connection RIGHT Lert Note If the audio system has only one pair of jack then they are usually input only and recording via this connection is not possible Aun sistema est reo provisto de tomas de salida de l nea LINE OUT o de salida de audio AUDIO OUT Vea a la izquierda Conexi n anal gica Nota Si el sistema de audio s lo tiene un par de tomas normalmente son s lo de entrada y no puede realizarse la grabaci n mediante esta conexi n 2 Connect the AC adaptor Conecte el adaptador de CA To the DC IN 5V jack A la toma DC IN 5V AC 120V 60 Hz 120V CA 60Hz To an AC outlet Aun tomacorriente de CA Insert securely all the way in Ins rtelo con
29. tp 2 27 T E 8 np 09972704 8 6501 26 BATTERY TERMINAL 8 487 713 4 9 1 1 C702 e 714 722 lt 1 O A A 725 723 5 901 TE DISC 18701 E i PROTECT Faser Barr 818 Be ee o H eje 1 21 1 4 cod 1 id 4701 4702 4703 OPTICAL LINE IN MIC IN REMOTE CONTROL EARPHONES 7 8 9 10 11 12 Figure 33 WIRING SIDE OF P W BOARD 2 4 33 MD MT877 MD MT877C 05 06 RAO1 A07 AS LCD KEY PWB B TOP VIEW 1 A CN451 MAIN PWB P32 2 F 14 FLEXIBLE B PWB A ee LJ e 9 e e LCD KEY PWB B BOTTOM VIEW E LEDAO4 e P35 7 H 5 LCD ASS Y E LEDAO3e L3 LEDAO2 N 12 ir ee 1 Y 1 53 ES RAIS CNAO1 2 gt 1 o s SWA11 G FAST FORWARD a VOLUMES SWA08 STOP ea ST
30. 1 651 pins 4 and 5 of 601 Check whether disc is record inhibited Check periphery of IC401 and IC 101 Check for soldering failure of IC201 Check whether the audio signal line between IC701 and J701 is defective Check whether the voltage of pins 13 to 15 of IC701 varies with the recording VOLUME button operation Check whether the soldering of IC 701 is poor Does the RF waveform appear at TP201 when recording Yes Playback 15 performed No Y Does level of pins 43 of IC 401 and pin 86 of change gt depending on record and playback No Yes Y Is RF pattern output from 1 201 pin 50 No gt Yes Check whether there is any damage in 1 101 periphery of laser diode Check for defects of IC351 in head drive flexible PWB head flexible PWB Y Check whether input waveform is observed on the pins 5 and 6 of IC 701 No Yes Y 18 audio waveform observed on the pins 10 and 12 of IC701 7 Yes Y Is the output waveform output to the pin 8 of IC501 2 Yes Y Check whether the pin 7 of IC501 and the pin 81 of IC201 are in H state Check the periphery of IC501 and the waveform of the pins 70 to 73 of IC201 40 MD MT877 MD MT877C FUNCTION TABLE OF IC 401 RH iX0419AWZZ System Microcomputer IX0419AW 1 2
31. 8 Play Pause Button 9 Enter Fast Play Synchro Button 10 Bass Delete Button 11 Rechargeable Battery Cover 12 Handstrap Holder 13 Optical Line Input Jack 14 Microphone Input Jack 15 Remote Control Earphones Line Output Jack Main unit display panel Level Meter Record Indicator Synchro Recording Indicator Operation Indicator Long play Recording Mode Indicator Character Time Information Indicator Repeat Indicator Battery Indicator Random Indicator 10 Track Number Indicator 11 TOC Indicator 12 Disc Name Indicator CONDO 3 color LED Various modes are indicated with three colors of lights Charging Lighting starting with yellow green light Refresh Extinguishing starting with orange light after all the lights are lit Playback Flashing the color of the activated play back mode Recording Flashing the color of the activated re cording mode Fast Forward Flashing starting with yellow green light Fast Reverse Flashing starting with orange light Volume Lighting starting with yellow green light Volume Extinguishing instantly starting with or ange light after all the lights are lit TOC Reading flashing at random MD MT877 MD MT877C Yellow green Blue Orange i14 SP LP2 LP4 MD MT877 MD MT877C Remote control unit Earphones Jack Fast Forward
32. 9141 1 205 lt 11 9 500 3 5 14 C60 Raa 8 Ses 5 o 5 FLEXIBLE PWB Zuge 5989 950 ert 5 1 el 5 e 651 1 513 714 5 88895232 awl oo c e 2 q 12 LL SiS emend 5 98 i 99 9 1204 C7740 Wo E oso 2 e es 11 1 op 4 5 3 8 5 16601 e 1065 SCA elle oA Mus 4 E e 818 ee 4 5799907 32 35 499 45 48 coh 9 29 gt A gone it 110 353 110353 o 516703 1 Nd Er nm 2 x F lt 1 Sa gud t 97998 8 2711 C721 R723 9 e gt Tas E 1 20 720 EN 88 292 1636 0361 9 FLEXIBLE PWB R768 G dut its 3 se SS 2351 80 41713 SW HET OAR C35 RAZ OF n 1714 Us 201 72 E 6788 En 2 1 C725 731 3 2 729 4 m Je 10 M E 5 ESE C291 eI A IC701 E es ELI OM a i el Z ee G 131 C703 Ms 15 ae R703 P730 ARA 75 PE REMOTE CONTROL MIC IN OPTICAL LINE IN EARPHONES Through hole w
33. DOWN SKIP DOWN PUP SKIP DOWN PUP SKIP DOWN PUP x SKIP DOWN SKIP DOWN SKIP DOWN PUP yy SKIP DOWN PUP Wy SKIP DOWN SKIP DOWN Pre adjustment Value Check menu A signal signal signal F signa offset measurement value setting offset measurement value setting offset measurement value setting offset measurement value setting TCRS signal offset measurement value EF signal measurement value TCRS signal measurement value AB signal input measurement value Pit section adjustment COUT level setting Groove section adjustment COUT level setting A ATT focus initial setting B ATT focus initial setting E ATT tracking initial F ATT tracking initial setting setting When the STOP button is pressed in specific menu the TEST MODE STOP state is set n the specific setting display state the setting change digit changes when the P MODE butt In In th on is pressed the case of the setup value two digits 1st digit initial value P MODE 2nd digit xxx ee P MODE xxx ee e case of the setup value three digits 1st digit initial value 2nd digit 3nd digit P MODE P MODE 000 Ms xx T P MODE In the specific state the setting changes in the range of Oh to Fh when the VOLUME butt on is pressed 2025 MD MT877 MD MT877C MD MT877 MD MT8
34. Fast Reverse Button Display Button Play Mode Button Sound Track Mark Button Stop Power Off Button Play Pause Button Volume Button Hold Switch Remote control display panel Record Indicator Track Number Indicator Operation Indicator Character Time Information Indicator Battery Indicator Random Indicator Synchro Recording Indicator Total Track Number Indicator Long play Recording Mode Indicator Repeat Indicator Battery charger mb OORUN Remote Control Holder You can hang the remote control on it Lock Detector Hook For Fixing The Main Unit Charge Operation Switch Stand AC Adaptor Connecting Jack noa lt TOTAL MD MT877 MD MT877C OPERATION MANUAL Using with the Rechargeable Battery Do not force the battery cover open too far N 35 To the DC IN 5V jack Charging When the rechargeable battery is used for the first time or when you want to use it after a long period of disuse be sure to charge it fully 1 Insert the rechargeable battery 2 Move the Charge Operation switch to charge mode 3 Place the portable MD into the battery charger and connect the AC adaptor After the rechargeable battery is charged or used it will get slightly warm This is normal When the portable MD is turned on or operating the bat tery will not
35. MODEL MD MT877C S To have your order filled promptly and correctly please furnish the following information 1 MODEL NUMBER 2 REF No 3 PART NO 4 DESCRIPTION MARK SPARE PARTS DELIVERY SECTION HOW TO ORDER REPLACEMENT PARTS For U S A only Contact your nearest SHARP Parts Distributor to order For location of SHARP Parts Distributor Please call Toll Free 1 800 BE SHARP Explanation of capacitors resistors parts codes Capacitors Resistors VCC Ceramic type VRD Carbon film type VCK Ceramic type VRS Carbon film type VCT Semiconductor type VRN Metal film type Cylindrical type without lead wire MF Cylindrical type without lead wire VC MN Cylindrical type without lead wire VR Cylindrical type without lead wire VG TV Square type without lead wire Mies TV Lnd Square type without lead wire MG TQ uuu Square type without lead wire aie Square type without lead wire Square type without lead wire MIR ES 6 OR Square type without lead wire OZ ane Square type without lead wire OZ cuui Square type without lead wire J 45 410 20 30 C 0 25 pF D 40 5 pF Z 80 20 To there are no indications for the electrolytic capacitors error 15 52096 J The 13th character r
36. V 18 18 16842 19 125 19 69 ov 19 69 ov 19 ov 19 PIN VOLTAGE 20 1 25V 20 0 70 1 24V 20 249V 70 20 ov 20 229V 21 125 21 71 1 24 21 249 71 21 21 0 85 1 0v 22 1 25V 22 oV 72 22 72 14V 22 ov 22 ov 2 28 23 1 25V 23 0 73 0 23 0 73 OV 23 0 8V 23 3 26V 24 026V 24 74 OV 24 0 74 24 ov 24 OV 4 25 148V 25 0 75 1 23V 25 0 75 1 33V 25 5 25 26 0 26 055 76 123V 26 0 76 ov 26 246 27 ov 27 055 77 123V 27 oV 77 14V 27 ov 10703 mE 28 249 V 28 055 78 oV 28 0 78 oV 28 065 PIN VOLTAGE VOLTAGE 29 249V 29 139 79 OV 29 0 79 OV 29 ov NO D 128V 30 178V 30 1 06V 80 ov 30 ov 80 ov 30 ov 1 lov 31 ov 31 25 81 ov 31 81 249 31 25 2 0557 32 125 32 0 58V 82 25 32 2 38 V 82 ov 32 25v 3 ov 33 1 25 V 33 0 94 V 83 0 33 249V 83 2 47V 33 25V 4 10852 34 0 26 34 0 94 84 0 34 25 84 247V 34 OV 5 ov PIN 35 125 35 094 85 125V 35 0 85 0 35 ov 6 1 76V VOLTAGE 36 1 25V 36 094 86 25V 36 OV 86 249V 36 OV 7 76V 1 1 28 V 37 13V 37 18V 87 25V 37 247 V 87 ov 37 1 67 8 2 28V 38 1 28V 38 ov 88 ov 38 249 V 88 oV 38 ov 9
37. adjustment value output ADJ ATT adjustment error adjustment value output PLAY SQT dE d Continuous playback high reflection Continuous playback low reflection When the STOP button is pressed in specific menu the TEST MODE STOP state is set Move the pickup lens manually to the innermost periphery before performing the servo ATT auto adjustment Refer to Change of test mode menus for the operation method represent the adjustment number as follows 0 0 Initial setting 0 3 Pit section tracking ATT setting 0 4 Pit section focus ATT setting 06 Sled external periphery move low reflection only 07 TCRS ATT setting low reflection only 0 8 Groove section tracking ATT setting low reflection only 09 Groove section focus ATT setting low reflection only Continuous Playback Continuous playback from current pickup position T PLAY Continuous playback menu PLAY Y AUTO Practice finish 93 E r A D J YES Y n5 AUTO Practice finish AUTO Practice YES k YES No error y NO ADJ NG SQ Continuous playback pit section SQ AP Continuous playback groove section AP Address Continuous playback from any address T PLAY Continuous playback menu DISP Y Ad0032 Start address
38. down the setting changes continuously one cycle being 100 ms When the BASS button is pressed in the continuous playback mode the number of jump lines changes as follows 1 10 100 step 1 After the number of jump lines is indicated for one second the address indication is restored AAA T 100 stp When the FAST FORWARD button is pressed in the continuous playback mode the specified number of lines is jumped in the FWD direction When the FAST REVERSE button is pressed in the continuous playback mode the specified number of lines is jumped in the REV direction When the FAST FORWARD REVERSE button is held down jump is repeated every approx 100 ms Whenever the DISP button is pressed in the continuous playback mode the indication changes as follows Pre mastered disc Continuous playback SQ SUBQ address indication Continuous playback XX rks C1 error indication Continuous playback SQ SUBQ address indication Recordabl disk Continuous playback AP ADIP address indication Continuous playback C1 error indication Continuous playback ADIP error indication Continuous playback 1 ADIP address indication MD MT877 MD MT877C 6 TEST REC Mode When the STOP button is pressed while the TEST REC menu appea
39. for at least 2 minutes while in the stop mode the power will shut off automatically Para detener la reproducci n Pulse el bot n Controlador remoto pulse el bot n Si el aparato no se utiliza durante un m nimo de 2 minutos en el modo de parada la alimentaci n se desconectar autom ticamente MD MT877 MD MT877C 4 Press the PAUSE button on the stereo system to enter the play back pause mode at the point you wish to start recording Pulse el bot n PAUSE del sistema est reo para entrar en el modo de pausa de reproducci n en el punto en el que desee iniciar la grabaci n 5 Press the MODE button repeatedly to select the recording mode Pulse repetidamente el bot n MODE para seleccionar el modo de grabaci n 6 Press the gt button to start recording Pulse el bot n npara iniciar la grabaci n 7 Begin playback on the stereo system the output will be recorded Inicie la reproducci n del sistema est reo y se grabar la salida To stop recording Press the OFF button When recording stops TOC appears Table Of Contents While pears the MiniDisc recorded contents have not yet been updated Para detener la grabaci n Pulse el bot n B OFF Cuando se detenga la grabaci n aparecer TOC ndice Mientras aparece no se habr actualizado el contenido grabado en el MD TOC display oe
40. main unit Output jack Earphones impedance 32 ohms remote control unit Type Portable MiniDisc recorder Signal readout Non contact 3 beam semiconductor laser pickup Audio channels Stereo 2 channels monaural long play mode 1 channel Frequency response 20 20 000 Hz 3 dB Rotation speed Approx 400 1 350 rpm Error correction ACIRC Advanced Cross Interleave Reed Solomon Code Coding Adaptive TRansform Acoustic Coding 24 bit computed type Recording method Magnetic modulation overwrite method Sampling frequency 44 1 kHz 32 kHz and 48 kHz signals are converted to 44 1 kHz and then recorded Wow and flutter Unmeasurable less than 0 001 W peak Battery life Stereo 2 times long 4 times long When using the rechargeable battery fully charged included with the unit Continuous Continuous recording play Approx Approx 11 5 hours 15 hours Continuous Continuous recording play Approx Approx 9 hours 13 5 hours Continuous Continuous recording play Approx Approx 6 5 hours 12 hours When using one commercially avail able high capacity AA size LR6 al kaline battery The rechargeable bat tery is in the unit discharged Continuous Continuous recording play Approx Approx 13 hours 22 hours Continuous Continuous recording play Approx Approx
41. q PICKUP c Re Ei 0802 56 Y P35 9 G 1 JA R807 9 ee IHE B BS ag sy Hg R i 8 270 Rr 43 is GBos s C2096 lt 22 E 2 res ag Y XL201 o FLEXIBLE PWB C830 44 ob aRas 101 Sal el 41116 6 o e 5 1 ee ee e y 510211 996860055 a y CO 0822 15 nu do 4225 45880 26 BL ips RO ES am u 4 30882088 TIA ELLE 2 Hee ux e5 ap om e 43 17 201 Oz 10871 6 R422 5 i Wolfe E 2 __ 8 10201 I 0839 828 08251 oq 65 7 NET 209 x 5 9 1 e 8258 0111 4 7 8 ele E es ie 70 6 U 0888 SO 10401 Oj oy P Oss E EN OEE en s Ec iT MECHANISM p 8 3 911221 16 19 22 22 10 l a Lel 0848 is win est el 55181105 d 1 5 caco e 10200 2 4 Raise 5 O Bang none 4 42 OW BI Op E 9442 9 Pitra 2 1C404 515 6045 5050601 G gg ef oe 14104021 O
42. setting PLAY Y Continuous playback pit section Continuous playback groove section Address When the STOP button is pressed in specific menu the TEST MODE STOP state is set In the start address set state the start address changes as follows when the DISP button is pressed 003 2 4 initial value 03 0 0700 08 0 DISP DISP DISP Ad0032 gt 0 Ad0 700 408 0 0950 Ad0950 In the start address setting state the start address change digit changes when the P MODE button is pressed 1st digit initial value MODE 2nd digit MODE 3rd digit 0 050 gt 0 50 0 0 50 MODE In the start address set state the value of selection digit changes in the range of Oh to Fh when the FAST FORWARD REVERSE button is pressed the P MODE button is pressed in the continuous playback state the mode is changed to the B ATT setting state of the ATT manual adjustment Continuous playback pit section Continuous playback groove section APHHHH Address P MODE High reflection pit section B ATT focus setting Low reflection groove section B ATT focus setting LB 000 ATT setting 20 MD MT877 MD MT877C In the continuous playback state the number of jump lines changes as follows shown the BASS button is pressed 1 initial value 10 BASS
43. 1 pc and remove the drive gear C2 x 1 2 Remove the screws C3 x 2 pcs 3 Remove the solder joints C4 x 3 of flexible PWB and remove the sled motor Note Take care so that the motor gear is not damaged If the gear is damaged noise is caused How to remove the magnetic head See Fig 11 4 1 Remove the screws D1 x 2 pcs of the magnetic head and the optical pickup and remove the solder joints D2 x 2 pcs of the head flexible plate Note Mount carefully so as not to damage the magnetic head How to reinstall the optical pickup See Fig 11 4 1 Remove the screw E1 x 1 pc and remove the grip spring 2 Remove the screw E2 x 1 pc to remove the thrust spring and remove the drive screw and the optical pickup from MD mechanism Then remove the drive screw from the optical pickup E1 x1 GP o 14x 18 mm D1 x2 Drive 91 4 x 1 8 mm 8 022 ua BUSI Emm Figure 11 4 11 A2 3 01 4 3 Spindle Motor Figure 11 1 B2 x 1 1 4x3 8mm Lift Motor C4 x 3 Solder Joints Figure 11 3 MD MT877 MD MT877C O Test disc MD adjustment needs two types of disc namely record ing disc low reflection disc and playback only disc high reflection disc Type Test disc Parts No 1 High reflection disc TEAC Test Mp 110 2 Low reflection disc TEAC Test Mp 88GMMD 213A 3 Low reflection disc Record
44. 13AWSA GFTAB1029AWSA HDECQ0649AWSA PSHEZ0095AWZZ GMADIO007AWSA GMADI0008AWSA GMADIO009AWSA LANGT0072AWFW JKNBZ0757AWSA JKNBZ0758AWSA HDECQO0650AWSA LHLDZ1291AWZZ RUNTZ0025AWZZ JKNBK0081AWSA LHLDZ3017AWM2 LANGZ0031AWM2 LHLDZ1282AWZZ GCOVH1021AWZZ GCOVH1020AWZZ QTANB9028AWFQ QTANB9032AWFQ PSHEZ0085AWZZ LANGTO080AWFW GCOVH1023AWSA PSHEZ0098AWZZ PSHET0046AWZZ PSPAZ0031AWZZ PCUSGO068AWZZ QTANB9029AWFQ PSHEZO105AWZZ PSPAZ0028AWZZ PSPAZ0027AWZZ PSHET0052AWZZ PSHETOO53AWZZ PSHET0059AWZZ PCUSG0078AWZZ PSHETOO60AWZZ LX BZ0047AWFC LX BZ0048AWFN LX BZ1008AFFC LX BZ0800AFZZ PACKING PARTS MD MT877 5 Except for U S A MD MT877C 5 for Canada DESCRIPTION Magnetic Head Ass y Optical Pickup Mechanism Flexible PWB Cartridge Holder Ass y Lift Lever Spring Eject Lever Bracket Cancel Main Chassis Ass y Spring Thrust Plate Lift Connection Lever Lift Working Lever Gear Drive Spring Grip Metal Screw g1 4x1 8mm Screw g1 4x2 5mm Screw g1 4x3 8mm Screw g1 4x1 2mm Screw o1 7x3 5mm Screw g1 4x3 0mm Washer 00 8x92 4x0 25mm Washer o1 5x 3 5x0 25mm Motor Spindle Motor Sled Motor Lift Top Cabinet Ass y Bottom Cabinet Ass y MD MT877 S Bottom Cabinet Ass y MD MT877C S Center Cabinet Cover Battery Decoration Plate Sheet Button LED Window A LED Window B LED Window C Bracket Center Cabinet Button Operation A Button Operation B Decoration Plate Holder LCD LCD Ass y Knob Eject Main F
45. 14H Item display Set values TG2 OO 2AH SKS OO 7FH OO 10H SKL OO 7FH 1 00 70H SLC OO 24H OO EOH STL OO 07H TO OO 10H SIM OO 42H OO 40H STE OO A6H T2 OO 4 SDV 60H TFS 00H SJP OO 03H TBo OO 20H WTm 18H OO 12H SRV OO 54H TKo OO 20H SLT OO 5CH TK OO ODH MVS TDo OO 67H SLS OO 28H TD OO 34H SKE OO OEH SCo OO 00H SDE 1CH 3AH 5 48H 24H CL OO 30H OO 65H 02H THG OO 02H TOP 00H TOG OO F4H OO 20H MD MT877 MD MT877C BASS setting Control setting Item display Set values Item display Set values OO 3FH CTO OO 02H BiB OO 00H CTI 01H 00H OO 2 1FH CT3 20H B2B OO 00H CT4 OO DOH OO 00H 5 OO 4BH OO E2H 6 OO 18H B3B 00H RCO OO COH OO 00H OO FEH SYC OO A6H ADJ SET setting PWL OO 54H Item display Set values 280 OO 28H DRE UE 22H FAT _ COH tds OO 3EH N2 _ CAT OO 40H WA a 00H XXH _ 64H PLE A6H 2 RCE OO 94H Digital EQ setting ET OO ADH Item display Set values YT OO COH HQ1 90H S
46. 2 TP400 we 117 TPTO3 O ajo ES zekas 1 105 4 XL401 1016 E or S PR 1 ST e TP457 ve 2 459 O 2209 4242725 Et O 77755 PS du s eO 048 nas 9 417 45 Dee kel G ER bir es TP453 7 8138 Riten ug 9 Jay CK205 CK206 elle PELO 04939 81355 areas oe 5 9 171 eue L fisica Be __ 4 CK204 96 WO 4 56 7 E RS 8132579 SS e 208 Ep 8496 6192 2 2 2 D4030 T ES O 461 4 3 TP460 0808 o ae 10821 ar ares 4 Pe L608 0848 C845 9 e RE Fed C843 0842 6846 11 U E 8 TP463 0 v 52 0841 O E Le oh 0 57 656 0821 16 E 658 8 TP658 U 910771 T Ute 652 0 Q HB De po HO S 408 51601 L603 L604 0889 e 501 TP651 452 4 10 1516 TP205 0 OT R710 682 Sole SS Ss gu 0 1 Se e 111 17720 42 2 9 0858 T352 jd ed ess C800 e C869 0777 O 0 2 0715 E 5 4 gB s O7TP500 ES LS 5 poo co Q9 m m 112708 771 e 8501 8 TP 877971 TP412
47. 236 1101 201 1C401 1C601 701 10501 RIN VOLTAGE RIN voLTAGE RIN VOLTAGE voLTAGE vOLTAGE VOLTAGE VOLTAGE VOLTAGE 1 026 1 079V 51 124 11 51 027 1 1 1 2 026 2 249 52 ov 2 249 52 0 98 V 2 ov 2 2 3 026 3 13V 53 3 249 53 25V 3 ov ov 3 ov 4 026 4 54 4 07 54 25 4 247V 4 4 5 125 5 249 55 25V 5 08 55 25 5 247V 5 ov 5 23V 6 125 6 125 56 0 6 56 25V 6 ov 6 6 7 125 7 125 57 ov z 57 2 39 V 7 7 7 0 8 125 8 1 25V 58 OV 8 58 8 ov 8 8 9 125 9 125 59 9 59 24 9 ov 9 10 1 25 10 125 60 10 60 25 10 10 10 1 24 11 125 11 125V 61 ul 61 25V 11 ov 11 11 1 22 V 12 125V 12 125V 62 1 55 V 12 25V 62 25V i2 ov 12 12 1237 13 125V 13 1V 63 OV 13 ov 63 127 13 ov 13 13 14 125V 14 155V 64 067 14 64 0 14 13v 14 ov 14 OV 15 1 25V 15 0 65 0 67 15 21V 65 0 64V 15 ov 15 0 15 027 16 125V 16 0 66 27V 16 2 68 V 66 OV 16 ov 16 OV 16 031 17 125V 17 124 67 124 17 257 V 67 16V 17 17 248V 18 125 18 68 18 25V 68 1 97
48. 54 VCKYCYOJB105K J C758 VCKYCYOJB105K J C760 VCKYCZ1AB104K J 763 764 VCKYCYOJB105K J C765 766 VCKYCY1AB224K J C771 VCSATEOJJ476M J C773 VCKYCY1AB224K J C774 776 VCKYCYOJB105K J C817 VCKYCZ1AB104K J C821 VCKYTQ1AB335K J C822 RC SZ0001AWZZ C823 VCEAPWOGW227M J C825 VCKYCYOJB105K C826 827 VCCCCZ1HH820J J C828 VCKYCYOJB105K J C830 VCKYCYOJB105K J C832 833 VCKYCY1CB104K J C834 VCKYCZ1AB104K J C836 VCKYCY1AB474K J C837 VCKYCYOJB105K J C838 VCKYCY1CB104K J C839 VCKYCY1AB334K J C840 VCEAPWOGW227M J C841 VCKYCYOJB105K J C842 RC SZ0002AWZZ 0843 VCKYCY1AB224K J C844 VCSAPROJJ106M J C845 846 21 104 J C847 848 VCKYCYOJB105K J C850 VCKYCZ1AB104K J C851 VCKYTQ1AB335K J C852 RC SZ0001AWZZ C856 21 151 J C857 VCCCCZ1HH330J J C858 860 VCKYCYOJB105K J C862 863 VCKYCYOJB105K J C869 VCSATEOJJ476M J C876 VCKYCYOJB105K J C881 VCKYCZ1AB273K J C901 VCKYCYOJB105K J C902 VCKYCZ1CB103K J C905 907 VCKYCZ1HB222K J C908 VCKYCY1AB334K J C909 910 VCKYCZ1AB473K J 911 912 VCKYCZ1AB104K J 01 02 VCKYCY1CB104K J RESISTORS VRS CZ1JB000J J R101 104 VRS CZ1JB223J J R111 VRS CZ1JB123J J R112 VRS CZ1JB224J J R131 VRS CZ1JB154D J R132 VRS CZ1JB105D J R133 VRS CZ1JB154D J R134 VRS CZ1JB105D J R135 VRS CZ1JB563D J R136 VRS CZ1JB394D J R137 VRS CZ1JB563D J R138 VRS CZ1JB394D J R139 VRS CZ1JB393J J R140 VRS CZ1JB394J J R151 VRS CZ1JB104J J R161 VRS CZ1JB122J J R200 VRS CZ1JB104D J R204 VRS CZ1JB102J J R205 V
49. 72J VRS CZ1JB473J VRS CZ1JB184J VRS CZ1JB222J VRS CZ1JB101J VRS CZ1JB394J VRS CZ1JB104J VRS CZ1JB150J VRS CZ1JB473J VRS CZ1JB104J VRS CZ1JB102J VRS CZ1JB334J VRS CZ1JB105J VRS CZ1JB104J VRS CZ1JB564J VRS CZ1JB473J E 6 6 6 6 6 6 6 6 6 6 lt lt 6 ae lt lt cce ee PRICE RANK DESCRIPTION 100 kohm 1 16W 680 ohms 1 16W 1 Mohm 1 16W 22 ohms 1 16W 560 kohms 1 16W 33 kohms 1 16W 1 Mohm 1 16W 560 kohms 1 16W 100 kohm 1 16W 1 Mohm 1 16W 330 kohms 1 16W 2 2 kohms 1 16W 1 Mohm 1 16W 330 kohms 1 16W 100 kohm 1 16W 100 ohm 1 16W 470 kohms 1 16W 47 kohms 1 16W 56 kohms 1 16W 15 kohms 1 16W 120 kohms 1 16W 2 2 kohms 1 16W 22 ohms 1 16W 1 kohm 1 16W 47 kohms 1 16W 2 2 kohms 1 16W 100 kohm 1 16W 3 9 ohms 1 10W 15 ohms 1 8W 100 kohm 1 16W 1 kohm 1 16W 100 kohm 1 16W 10 kohm 1 16W 22 kohms 1 16W 100 kohm 1 16W 100 kohm 1 16W 15 kohms 1 16W 1 kohm 1 16W 100 kohm 1 16W 22 kohms 1 16W 22 kohms 1 16W 330 kohms 1 16W 120 ohms 1 16W 820 ohms 1 16W 10 kohm 1 16W 100 kohm 1 16W 22 kohms 1 16W 100 kohm 1 16W 220 kohms 1 16W 1 kohm 1 16W 1 kohm 1 16W 22 ohms 1 16W 470 ohms 1 16W 100 ohm 1 16W 100 kohm 1 16W 47 ohms 1 16W 6 8 kohms 1 16W 10 kohm 1 16W 100 kohm 1 16W 1 kohm 1 16W 6 8 koh
50. 77C Error History Display Error history clear E_DATA Error history indication menu DISP After one second CLEAR Error history clear Error history indication Error history indication menu PLAY Error history 0 indication eii Error code SKIP UP DOWN E 1 Error history 1 indication AE Error code sk UP DOWN Error history 2 indication E2 __ Error code SKIP UP DOWN Error history 3 indication E3 mer Error code SKIP UP KIP DOWN Error history 4 indication 4 Error code SKIP UP fip DOWN 5 Error history 5 indication Error code SKIP UP DOWN Error history 6 indication E6 iaa Error code SKIP P DOWN ET Error history 7 indication iy Error code SKIP UP SKIP DOWN Error history 8 indication E8 __ Error code SKIP UP y SKIP DOWN ny Error history 9 indication E9 Error code skip up J DOWN RCXAXXX Total recording time x x x x When the STOP button is pressed in specific menu the TEST MODE STOP state is set ATT Setting Check RSLT2 _ ATT Setting Check menu PLAY PE Pit section E ATT tracking setting SKIP DOWN PF_O
51. 9 mi 52 12501 em lt 4551 AD DA CONVERTER 2824 16 D RAM D 2 180 0758 C754 8729 47 C721 y 3 3 10 E L lt lt 8730 4 7K C722 3 3110 27 In aa MIC In er y 62GR2522 Sara 2 5 REGULATO bus 437277 4 B 0763 _ 765 1 15 H nes 27661 1C402 C758 12703 15 58 2404 8 EE IR3R59N R411 EEPROM mi AUDIO AMP ERNPHONES 1 TERMINAL N7SZ86P5 p ATE 1 771 0771 t ye 8 62662322 4763 4763 5 2 2 3 REGULATOR 0 47 PI HH 1 GREENI Pa 0817 2 570 405 a 8 91 A 8 R813 5818 226 47K lo i 0871 WE Pita R817 TC7S86FU 0807 2 100 ae EXCLUSIVE c ad EXTENSION pu 27K DC IN 0845 0842 28 803 PEN rolg 1 01 541 pos RB521830 aan ES 9 E 1 100800 ek a 2 qw C Lr aee hes REL ESI DR 2 HNTGO EU R804 SS R261 380K E lt 100K 100 1 EXTENSION aD DCON pi R809 239 192225 NO 8258 pee apum 13 F Oz maet QU be peos TERMINAL 04 62GR2522 2 5 REGULATOR 1 PLVBAT 28 10821 CPH3413 N CH MOS FET mul 10822 IR3M14N DC DC CONVERTER 1 ORT CO
52. A ATT focus setting Low reflection pit section B ATT focus setting Low reflection groove section A ATT focus setting Low reflection groove section B ATT focus setting LPFABO measurement value indication 1 Mark lighting TCRS ATT setting TCRSMIO measurement value indication 1 Mark lighting LPFEINO EFMIO measurement value DISP Pit section E ATT tracking setting Groove section E ATT tracking setting LPFEINO measurement value indication 1 Mark lighting EFMIO measurement value indication REPEAT 1 Mark lighting LPFFINO EFMIO measurement value G F LOOO DISP Pit section F ATT tracking setting Groove section F ATT tracking setting LPFFINO measurement value indication 1 Mark lighting EFMIO measurement value indication REPEAT 1 Mark lighting 24 Servo Pre adjustment Value Check RSLT1 PLAY AH 200 SK PUP V OOO SK P UP EH lt lt SKI PUP FH 000 7N SKI TH SK ef SK SKI SKI D lt SKI H 00 SK _ SK SK SK B SE PUP SF OOO b PUP SKIP DOWN DOWN
53. ADJ OK is displayed TEST _PLAY is executed 3 MANUAL1 Mode Adjustment item to be made in AUTO1 mode is performed manually e When the VOLUME button is pressed during adjustment the sett ing increases and the new setting is output When the VOLUME button is pressed during adjustment the sett ing decreases and the new setting is output VOLUME button is held down the setting changes continu ously with 100 ms cycle this operation the setting change is performed for each digit The digit is changed by pressing the MODE button e If the setting is within the allowable range the RANDOM display lights When the STOP button is pressed during MANUAL1 menu or mea surement or adjustment the state is changed to the TEST mode stop state 4 MANUAL2 Mode Adjustment item to be made in AUTO2 mode is performed manually e When the VOLUME button is pressed during adjustment the sett ing increases and the new setting is output When the VOLUME button is pressed during adjustment the sett ing decreases and the new setting is output VOLUME button is held down the setting changes continu ously with 100 ms cycle In this operation the setting change is performed for each digit The digit is changed by pressing the MODE button If the setting is within the allowable range the RANDOM display lights When the STOP button is pressed during MANUAL2 menu or mea surement or
54. B224K C111 VCKYCYOJB105K C112 21 104 0113 VCKYCYOJB105K 0114 VCCCCZ1HH5ROC 121 122 21 221 123 124 VCKYCZ1HB331K C130 131 VCKYCZ1AB104K C132 133 VCKYCY1AB224K C151 VCKYCZ1CB103K C165 VCKYCZ1AB333K C171 172 RC SZ0002AWZZ C200 VCKYCYOJB105K C201 VCSAPROJJ106M C202 VCSATKOJJ476M 0203 VCKYCZ1AB104K 0204 VCKYCY1AB474K C205 VCKYCZ1AB104K C207 VCKYCZ1AB104K 209 210 21 104 C211 VCCCCZ1HH5ROC 0212 VCCCCZ1HH8ROD 251 252 21 104 C253 VCKYCZ1CB103K C270 VCKYCYOJB105K C272 274 21 104 0291 VCKYCYOJB105K 0292 VCKYCZ1CB103K C351 VCCCCY1HH470J C353 VCSAPROJJ106M C354 VCKYCZ1AB104K C357 VCKYCZ1AB104K C361 VCKYTV1HB393K C401 VCKYCZ1AB104K C431 VCKYCY1AB474K C451 VCKYCY1EB223K C454 VCKYCZ1HB222K C491 VCKYTV1CB104K 0492 VCKYCYOJB105K C493 VCKYCY1AB474K C500 VCSAPROJJ106M C501 502 21 222 503 VCSAPR1AJ335M C505 506 VCKYCZ1HB102K C509 510 VCKYCYOJB105K C511 21 104 600 RC SZ0001AWZZ m cc lt 5 lt lt Aa ESA RANK DESCRIPTION 10 uH Tip Solid Induction 100mA 10 uH 10 uH Tip Solid Induction 100mA Tip Impeder 150mA Tip Solid Induction 100mA Tip Solid Induction 100mA 33 ohms
55. BASS gt 100stp 100step BASS When the FAST FORWARD button is pressed in the continued playback mode jump of specified number of lines occurs in the external periphery direction If the key is held down jump occurs continuously 100 ms cycle When the FAST REVERSE button is pressed in the continuous playback mode jump of specified number of lines occurs in the internal periphery direction If the key is held down jump occurs continuously 100 ms cycle Focus balance Adjustment mode T PLAY Each indication Continuous playback menu PLAY y xXx b DISP Focus balance Adjustment mode Y x Focus balance Others indication 3 Jitter error The focus balance adjustment mode is available only for low reflection discs The RANDOM marker lights up in the focus balance adjustment mode focus balance x x can be changed by the VOL UP DOWN button operation If the PLAY button is pressed in the focus balance adjustment mode the unit returns to the continuous playback mode Continuous Record Enter the EEPROM setting mode and press the FAST FORWARD button Change the MSL setting value from 00 to 08 by using CTRL_ control setting menu If the MSL remains in 00 no signal is recorded Continuous record from the current pickup position
56. CA Type To Serial No 104xxxxx Connecting Cord Optical Type AC Adaptor Earphones Remote Control To Serial No 102xxxxx Remote Control From Serial No 103xxxxx Battery Charger Operation Manual MD MT877C S Operation Manual MD MT877 S Quick Guide MD MT877 S Label Caution Battery Case Battery Carrying Case Carrying Case Battery Main LCD Key Recording Mini Disc High Reflection Disc MMD 110 TEAC Test MD Low Reflection Disc MMD 213A TEAC Test MD 22 RUNTZ0032AWM1 J BL Battery Charger 22 1 GCABA1223AW01 J Front Cabinet 22 2 Back Cabinet Unit Not Replacement Unit 22 3 LHLDZ1283AWSA J Remote Control Stand 22 4 LHLDZ1285AWSA Stand 22 5 GLEGGOO02AWZZ J Cushion 22 6 GLEGGOO03AWZZ J 22 7 XEBSN20P05000 J 5 02 5 22 8 TLABMO107AWZZ J Label Specifications 22 9 TLABZO855AWZZ J Label Caution MD MT877 MD MT877C MD MT877 MD MT877C Figure 5 MD MECHANISM EXPLODED VIEW MD MT877 MD MT877C MD MECHANISM 225 4 MAIN PWB LCD PWB G H Figure 6 CABINET EXPLODED VIEW MD MT877 MD MT877C Figure 7 BATTERY CHARGER EXPLODED VIEW MD MT877 MD MT877C PACKING OF THE SET MD MT877 S FOR U S A ONLY Setting position of switches and knobs Remote Control HOLD CANCEL Carrying C
57. DF OO 1FH HQ2 OO 90H OO 50H HsG OO 11H DRS OO 5AH 50 FDH DUP 00H 01 00 90H RFL OO DOH 02 00 90H CG1_OO 66H LSG OO 11H FBO LSO OO 00H RST_OO 00H GQ1 OO 98H R20 80H GQ2 OO 84H R21 00 20H 11 R40 00H 841 02H OO 16H MC2 OO MC4 OO L2H OO 81H L4H 80H SPM_ 00H MSL OO 80H USO OO 061 OO 062 47 MD MT877 MD MT877C Do the following when replacing the mechanism the pickup the EEPROM IC402 the LSI IC201 or the main PWB unit Enter the test mode move the pickup to the most internal periphery and execute AUTO1 Use the disc of MMD 213A _ PLAY ATI HR During the spare style automatic adjustment Normality completion ADJ OK PLAY AT2 HR During the adjustment that ATT is automatic y Normality completion ADJ OK yy Remote controller P MODE button x KKK During the focus balance adjustment The indication of RAMDOM STOP is pushed Adjustment completion The indication of TEST Move the pickup to the most internal periphery and press the BASS button Fast Forward Button AUTO2 It is made to carry it out yPLAY ADJ OK 17 PLAY Continuance is regenerating AP It confirms that an address proceeds Y STOP is pushed BYE OK Indication disappears
58. Drive RN4904 Silicon PNP 2SA1832 GR Power Transistor HN1C01 FU Digital Transistor RN4911 Silicon NPN 2SC4738 GR Silicon PNP 2SA1832 GR Digital NPN RN1444 A Silicon NPN 2SD1979 S Power Select Charge Drive RN4904 N ch MOS FET FDN339 N Silicon PNP 2SA17457 Power Transistor HN1C01 FU Silicon PNP 2SA1832 GR Power Transistor HN1C01 FU Power Transistor HN1C01 FU Digital NPN DTC144 Digital NPN RN1104 Silicon NPN 2SC4738 GR Silicon SBE803 Silicon 1SS361 Silicon 1SS372 Zener 5 1V 015Z5 1Y Zener 7 5V 15AZ7 5Y Zener 5 1V 015Z5 1Y Zener 7 5V 15AZ7 5Y Zener 7 5V MA8075M Silicon F10J2E Silicon F10J2E Silicon RB521S30 Schottky D1FH3 Silicon HRBO103B Silicon HRBO103B Silicon F10J2E Silicon HRBO103B Silicon F10J2E Silicon F10J2E LED Yellow green TLGU1008 LED Blue CL190HBX LED Orange TLOU1008 NO PARTS CODE COILS 1100 100 0000 1103 RCILCO353AFZZ 1171 RCILCO356AFZZ L202 VPBNN100K0000 L204 RCILCO353AFZZ 1452 RCILCO352AFZZ 1453 454 RCILCO353AFZZ 1456 458 RCILCO353AFZZ L491 VRS TV2AB330J 1601 602 RCILCO372AFZZ 1603 RCILCO358AFZZ L604 RCILCO372AFZZ 1608 RCILCO356AFZZ L702 703 RCILCO353AFZZ 1704 RCILCO352AFZZ 1711 RCILCO352AFZZ 1712 714 RCILCO353AFZZ L821 RCILCOOOSAWZZ 1841 RCILCO358AFZZ L851 RCILCOOOSAWZZ VIBRATORS XL201 RCRSCOO28AFZZ XL401 RCRM 0039AWZZ CAPACITORS C100 VCSAPROJJ106M 102 103 VCKYCYOJB105K C106 VCKYCY0JB105K C107 VCKYCZ1AB104K 108 109 VCKYCYOJB105K C110 VCKYCY1A
59. Each setup menu except for TEMP Each setup item except for TEMP OO Setup value When the STOP button is pressed in specific menu the TEST MODE STOP state is set When the DISP button operation is performed in the specific state the menu changes to TEMP SETTING menu In the specific setting display state the setting change digit changes when the P MODE button is pressed 1st digit initial value P MODE 2nd digit In the specific state the setting changes in the range of Oh to Fh when the VOLUME button is pressed 27 MD MT877 MD MT877C MD MT877 MD MT877C NOTES ON SCHEMATIC DIAGRAM Resistor To differentiate the units of resistors such symbol as K and REF NO DESCRIPTION POSITION M are used the symbol K means 1 000 ohm and the symbol SW401 EJECT lt 1000 kohm and the resistor without any symbol is SW901 DISC PROTECT OFF ON ohm type resistor Besides the one with Fusible is a fuse type SWAO1 RECORD OFF ON Capacitor SWA02 PLAY OFF ON To indicate the unit of capacitor a symbol is used this SWA03 BASS OFF ON symbol P means pico farad and the unit of the capacitor SWAO4 EDIT OFF ON without such a symbol 18 microfarad to electrolytic SWAO5 DISPLAY capacitor the expression capacitance withstand voltage is used S
60. ErMD and the unit is out of order chased the unit HOLD The unit is in the hold mode Return the HOLD switch to its original position HOLD LOCKED You removed MiniDisc while recording or Turn off the power and remove the MiniDisc Can tLOCK editing ERROR MESSAGES MEANING REMEDY NO DISC disc has not been loaded O Load a disc NO SIGNAL O Poor connection of the digital cable Connect the digital cable securely noSIG No output signal comes out from the connected 6 If the portable CD player has a function to prevent sound unit to playback skips deactivate it 2 signal has improper sampling fre amp Playback with the connected unit uency PLAY MD You recorded on a playback only disc Replace it with a recordable disc PLAYmd POWER The battery charger is defective To have it repaired go to the distributor where you purchased the unit PROTECTED The write protection tab of a MiniDisc is set to Move the write protection tab back to its original position the protected position O Replace it with a recordable MiniDisc You tried to record a playback only disc SORRY O Since a track number is currently being located gt Wait for a while and try the operation again Sorry or updated the unit cannot accept your com mand TEMP OVER The temperature is too high Turn off the power and wait for a while TEMP TOC FORM There is an error in the recording signal Erase al
61. MD MT877 MD MT877C SHARP SERVICE MANUAL No S3118MDMT877 PORTABLE MINIDISC RECORDER MD MT877 S MODEL MD MT877C S n the interests of user safety the set should be restored to its original condition and only parts identical to those specified be used 23 CONTENTS sala A 2 NAMESOFIPARTS SHE PASSIO PRIN ga UOS 3 OPERATION MANUAL ft E 5 BISASSEMBEY los 10 REMOVING AND REINSTALLING THE MAIN 11 DAS qr 12 NOTES ON SCHEMATIC DA CRAM e o a a 28 TYPES OF TRANSISTOR AND DIODE 3 an n 28 A 29 SCHEMA ICG DIAGRAM 2455222 2 22524222 30 WIRING PW BOARD cia nissene ee a ii ne 32 VOLTAGE asas 36 WAVEFORMS OF MD CIRCUIT 37 a a 38 FUNCTION TABLE 41 PARTS GUIDE EXPLODED VIEW PACKING OF THE SET MD MT877 S FOR U S A ONLY Ne A
62. NTROL 10841 XC6372C281PR 2 8 UP CONVERTER 100K a 851 CPH3413 MOS FET 2 10852 IR3M14N DC DC CONVERTER 281 91 O R eme 001 R291 TERMINAL C454 STOCK 2 2K 0 0022 C291 oT 100 1 9 10 11 12 Figure 31 SCHEMATIC DIAGRAM 2 2 2231 MD MT877 MD MT877C
63. REVERSE 1 0 H Figure 34 WIRING SIDE OF P W BOARD 3 4 84 MD MT877 MD MT877C 902 CN601 MAIN PWB SLED MOTOR BA 22 D MAGNETIC HEAD 3 M903 LIFT MOTOR AA MECHANISM FLEXIBLE 5 M901 SPINDLE MOTOR OPTICAL PICKUP 4 CN101 TO MAIN PWB P32 2 B 1 LCD KEY PWB P34 4 7 8 9 10 11 12 Figure 35 WIRING SIDE OF P W BOARD 4 4 35 MD MT877 MD MT877C VOLTAGE
64. RS CZ1JB273D J DESCRIPTION 1 uF 6 3V 0 1 uF 10V 1 uF 10V 0 1 uF 10V 10 uF 6 3V Electrolytic Tantalum 0 01 uF 16V 100 pF CH 50V 1 uF 6 3V 0 1 3 3 uF 10V Electrolytic Tantalum 0 001 uF 50V 3 3 uF 10V Electrolytic Tantalum 0 22 uF 10V 0 1 uF 10V 1 uF 6 3V 1 uF 6 3V 0 1 1 uF 6 3V 0 22 uF 10V 47 uF 6 3V Electrolytic Tantalum 0 22 uF 10V 1 uF 6 3V 0 1 3 3 uF 10V 22 uF 6 3V Electrolytic Tantalum 220 uF 4 0V Electrolytic 1 uF 6 3V 82 pF CH 50V 1 uF 6 3V 1 uF 6 3V 0 1 uF 16V 0 1 uF 10V 0 47 uF 10V 1 uF 6 3V 0 1 uF 16V 0 33 uF 10V 220 uF 4 0V Electrolytic 1 uF 6 3V 33 uF 6 3V Electrolytic Tantalum 0 22 uF 10V 10 uF 6 3V Electrolytic Tantalum 0 1 uF 10V 1 uF 6 3V 0 1 uF 10V 3 3 uF 10V 22 uF 6 3V Electrolytic Tantalum 150 pF CH 25V 33 pF CH 50V 1 uF 6 3V 1 uF 6 3V 47 uF 6 3V Electrolytic Tantalum 1 uF 6 3V 0 027 uF 10V 1 uF 6 3V 0 01 uF 16V 0 0022 uF 50V 0 33 uF 10V 0 047 uF 10V 0 1 0 1 uF 16V 0 ohm Jumper 0 5x1 0mm 22 kohms 1 16W 12 kohms 1 16W 220 kohms 1 16W 150 kohms 1 16W 1 Mohm 1 16W 150 kohms 1 16W 1 Mohm 1 16W 56 kohms 1 16W 390 kohms 1 16W 56 kohms 1 16W 390 kohms 1 16W 39 kohms 1 16W 390 kohms 1 16W 100 kohm 1 16W 1 2 kohms 1 16W 100 kohm 1 16W 1 kohm 1 16W 27 kohms 1 16W NO R206 R207 R222 R251 R252 R253 R254 R255 R256 R257 R258 R259 R261 R262 R263 R264
65. SK SK SK SKI SKI PLAY 55 pur Ah 000 PUP PUP SKIP 5 PU PU DOWN DOWN DOWN DOWN DOWN PU o gt o lt 0 5 lt 42 DOWN PU DOWN SKI DOWN DOWN SKI SK SK SK SKI SKI PUP DOWN DOWN DOWN DOWN DOWN DOWN T Pre Manual Adjustment menu Temperature code indication Temperature code A signal offset AINO measurement Measurement value B signal offset BINO measurement O Measurement value signal offset EINO measurement QOO Measurement value signal offset FINO measurement Measurement value Laser ON play power AB signal level measurement ABMAXO QOO Measurement value A ATT focus tentative setting ATT setting B ATT focus tentative setting ATT setting Pit section EF signal level measurement LPFEFO Measurement value Pit section adjustment COUT level setting COUT level setting Groove section EF signal level measurement LPFEFO QOO Measurement value Groove section adjustment COUT level setting CO
66. TC144EE 1 0901 VSRN1104 1 QA01 VS2SC4738GR 1 DIODES D351 VHDSBE803 1 D431 VHD1SS361 1 D432 VHD1SS372 1 D491 VHE015Z5R1Y 1 D492 VHE15AZ7R5Y 1 D493 VHE015Z5R1Y 1 D494 VHE15AZ7R5Y 1 D495 496 VHEMA8075M 1 D651 VHDF10J2E 1 D771 772 VHDF10J2E 1 D801 VHDRB521S30 1 D821 VHDD1FH3 1 D822 VHDHRBO 103B 1 D831 832 VHDHRBO 103B 1 D841 VHDF10J2E 1 D842 VHDHRBO 103B 1 D851 852 VHDF10J2E 1 D861 862 VHDF10J2E 1 02 VHPTLGU1008 1 LEDAOS VHPCL190HBX 1 LEDA04 VHPTLOU1008 1 ec oc a CC zu cc Cc cc zu u AT PRICE RANK DESCRIPTION RF Signal Processor IR3R58M 2 5V Regulator 62GR2522 Endec Servo Atrac LR378161 16MBit D RAM IX2824AF Reset S 80808LNP OP AMP FT75S54FU Head Driver 74ACTO2FT Head Driver FTD2005 Head Driver CPH5608 System Microcomputer IX0419AW 58 2404 Gate IC N7SZ86P5 Reset S 80820LNP AD DA Converter AK4551VT Moter Drive BD6640KV Motor Drive LB1938T Audio Amp IR3R54N Audio Amp IR3R59N 2 3V Regulator 62GR2322 Reset S 80814ALNP N ch MOS FET CPH3413 DC DC Converter IR3M14N 2 8V UP Converter XC6372C281PR 2 5V Regulator 62GR2522 N ch MOS FET CPH3413 DC DC Converter IR3M14N Exclusive or Gate TC7S86FU 4 5V Regulator 62GR4522 P ch Power MOS FDG312 P Silicon PNP 2SA17457 N ch MOS FET FTD2017 Power Select Charge
67. UT level setting TCRS signal level measurement TCRSMIO Measurement value tracking initial setting ATT setting F ATT tracking initial setting ATT setting AB input level measurement LPFABO QOO Measurement value A ATT focus initial setting ATT setting B ATT focus initial setting ATT setting TCRS signal offset TCRSO measurement QOO Measurement value When the STOP button is pressed in specific condition the TEST MODE STOP state is set f the BASS button is pressed in the laser ON state with no disc or the lid open changes as follows Play back BASS Record power aser power Maximum power BASS LON R 3LON M BASS In the specific setting display state the setting change digit changes when the P MODE but In the case of the setup val ton is pressed 1st digit initial value 1st digit initial value the case of the setup val _ ji ue two digits P MODE 2nd digit ue three digits 2nd digit 3nd digit P MODE P MODE XX xx P MODE In the specific state the setting changes in the range of Oh to Fh when the VOLUME but ton is pressed If the DISP button is pressed the display cha
68. WA06 VOLUME OFF ON CH TH RH UJ Temperature compensation SWA07 VOLUME OFF ON ML Mylar type SWAO8 STOP OFF ON voltage in each 15 the one 2 SWAO9 MODE OFF ON by igita u timeter between such a section and the chas SWA10 FAST REVERSE OFF_ON sis with no signal given IL Parts marked with A Z J are important for SWA11 FAST FORWARD OFF ON maintaining the safety of the set Be sure to replace these SWA12 ENTER OFF ON parts with specified ones for maintaining the safety and SWA13 OPEN CLOSE OFF ON performance of the set TYPES OF TRANSISTOR AND DIODE TOP VIEW TOP VIEW B Top _ a 2 P D gt S Y 2 9 25 17457 F10J2E RN4904 2SA1832 GR 4911 25 4738 39 2501979 5 O DTC144 RN1104 RN1444 A FDN339 N TOP VIEW TOP VIEW TOP VIEW 0103 155361 SBE803 155372 VIEW O O 6 O mO ed 9 9 1 01 FU 2017 gt 8 MD MT877 MD MT877C mom TVNDIS GHOOSY lt HOLVIDO3H ASZ TVNDIS
69. adjustment the state is changed to the TEST mode stop state When the PLAY button is pressed in B ATT set state the mode is changed to the continuous playback mode As for operation during continuous playback refer to TEST PLAY mode explanation MD MT877 MD MT877C 5 TEST PLAY Mode When the STOP button is pressed while the TEST PLAY menu appears or in TEST PLAY or continuous playback mode the mode changes to the TEST mode stop state When the PLAY button is pressed while the TEST PLAY menu appears continuous playback is initiated from the current pickup position Whenever the DISP button is pressed in the TEST PLAY menu the target address changes as follows 0032 03C0 0700 08A0 0950 0032 When the PLAY button is pressed while a target address 16 dis played continuous playback is performed after searching that address Each time the MODE button is pressed while the TEST PLAY mode target address is displayed the digit which is changed by pressing the FAST FORWARD REVERSE button is changed as follows 0032 0032 0032 0032 When the FAST FORWARD button is pressed in the TEST PLAY mode target address is displayed the digit of address specified by the MODE button is set to 1h 0 to F When the FAST REVERSE button is pressed in the TEST PLAY mode target address is displayed the digit of address specified by the MODE button is set to 1h 0 to F When the FAST FORWARD REVERSE button is held
70. ase AC Adaptor ED 4 2 52 I SI AC Adaptor Pad SPAKZ0630AWZZ Earphones Operation Manual Connecting Cord Optical Type Quick Guide Sheet Bubble Label Caution SPAKZ0692AWZZ Battery Packing Add SPAKA0284AWZZ Connecting Cord RCA Type Polyethylene Bag Battey Charger SSAKA0009AWZZ A Not Replacement MD MT877 MD MT877C MD MT877 MD MT877C MEMO 10 MD MT877 MD MT877C SHARP COPYRIGHT 2001 BY SHARP CORPORATION ALL RIGHTS RESERVED No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher SHARP CORPORATION Communication Systems Group Quality amp Reliability Control Center Higashihiroshima Hiroshima 739 0192 Japan Printed in Japan A0103 1267DS HA M SC LAG SL en NOTES gt This Service Manual are Manufacturer intellectual propriety The design and the way the documents are selected placed and related in this data base are the author s intellectual propriety TURUTA
71. be charged Checking Displays Checking the remaining amount of battery level The remaining amount of battery level is shown by the battery indicator during operation How to read the battery indicator gt When the battery low is very low When the battery level is high When the battery is completely discharged the battery indicator will flash Recharge the battery or replace the alkaline battery with a new one When the battery has run completely out BATT EMPTY LoBATT will appear Then the power will be discon nected automatically Notes e If you use the battery which you stopped charging half way gt may appear It does not mean that the bat tery is completely charged The battery indicator will not correctly display the remain ing capacity for approximately 20 seconds after the power has been turned on When the AC adaptor or a separately available car adap tor is used the battery indicator will not be shown The number of bars shown in the battery indicator may increase or decrease depending on the operation be ing performed This is normal MD MT877 MD MT877C Error Messages ERROR MESSAGES MEANING REMEDY BATT EMPTY O The battery is run down O Charge the rechargeable battery or replace the alka LoBATT line battery or use the AC adaptor
72. by static electric editing are im accidental erasure ity possible e 5 the unit connected properly to the other equipment Is the AC adaptor unplugged or did a power failure occur while recording or No sound is Is the volume set too low heard from the e Is the remote control unit or the ear earphones phones plugged in editing Are you trying to play a MiniDisc with e Is the unit in the hold mode data on it instead of a MiniDisc contain Isan optical signal being output from ing music the stereo system Read the operation manual for the aa 2 When the opera 9 15 the unit in the hold mode stereo system tion buttons are Is the battery exhausted pressed the unit e 15 the remote control unit plug or the The battery cannot Is the select switch for charging does earphones plug inserted firmly be charged operation set on the charging side e 15 the jack clean Some sounds Is battery exhausted Nothing appears Is the remote control display set to are skipped e 15 the unit being subjected to exces on the remote LIGHT OFF sive vibration control display MD MT877 MD MT877C 1 Insert a MiniDisc Inserte un minidisco Insert according to the direction of the arrow Ins rtelo de acuerdo con la direcci n de la flecha 1 1 Slide the OPEN lever to re lease the compartment door Deslice la palanca OPEN para abrir la puerta del comparti 4
73. cation jump test 4 TEST REC Mode 5 MANUAL 1 Mode ajo 8 NORMAL Mode mode is changed from the TEST mode to the normal mode without adjustment In the normal mode the internal operation mode memory capacity etc areindicated the normal mode both temperature correction and posture correction are performed 9 EEPROM Mode Factors of digital servo are changed manually Cut off frequency of BASS1 BASS2 and BASS3 is selected manually Temperature detection terminal voltage is measured and the reference value is set Defaults are selected and set Setting of EEPROM protect area is updated Operation in each TEST mode 1 AUTO1 Mode When the STOP button is pressed while the AUTO1 menu appears or during automatic adjustment the mode changes to the TEST mode stop state At this time the adjustment value is not output Be sure to adjust using the specified disc MMD 213A Adjustment NG Adjustment item out of range focus ON failure and adjustment error When the PLAY button is pressed while ADJ OK is displayed AU 2 is executed 2 AUTO2 Mode When the STOP button is pressed while the AUTO2 menu appears or during automatic adjustment the mode changes to the TEST mode stop state At this time the adjustment value is not output Adjustment NG Adjustment item out of range and adjustment error When the PLAY button is pressed while
74. d hold down STOP on the main unit and cancel the HOLD mode Normal Check the remote control headphone terminals on the main unit J703 1 401 and 10404 15 the power supply turned on when the remote control gt button or main unit button is pressed 2 No Yes Y Does the display operate normally Yes Y Is playback state set gt No Yes Y Is audio output normal gt No Yes Y 18 recording playback operation normal gt No Power is not turned on when the gt Il button is SS pressed Y No Is power turned on when the remote control gt button is Yes y pressed No Y 15 operation normal when the main body button is pressed eee el es No Y Does the pin 63 of IC 401 oscillate Replace XL401 BB MD MT877 MD MT877C Abnormal display Is waveform output from CN451 pins 3 to 5 gt Is waveform output from IC401 pins 31 to 33 2 Are the pin 2 VCC and pin 12 13 GND normal No Yes No Yes l Check between 1 401 and Check the periphery of IC401 CN451 Check for pattern breakage of flexible PWB check for defects of display microcomputer replace the display unit e Audio playback In the normal playback mode LCD play time display functions but no aud
75. eadjustment normal end adjustment value output PLAY y AT2 During ATT automatic adjustment When the STOP button is pressed in specific menu the TEST MODE STOP state is set Move the pickup lens manually to the innermost periphery before performing the servo preliminary auto adjustment Refer to Change of test mode menus for the operation method is the internal processing number the meanings of the numbers as follows 0 0 Initial setting 0 2 ABEF input offset measurement 0 4 AB input ABMAXO level setting 0 5 Focus ATT tentative setting 0 6 Pit section EF input level setting 0 7 COUT level setting for pit section adjustment 0 8 Sled external periphery move 0 9 Groove section EF input level setting 1 0 COUT level setting for groove section adjustment 1 1 TCRS input level setting 12 Tracking ATT initial setting 1 3 AB input LPFABO level setting 1 4 Focus ATT initial setting 1 6 TCRS input offset measurement It is necessary for each test mode where servo operation is made to complete the preliminary adjustment Otherwise ErADJ appears The preliminary adjustment complete state is stored on the EEPROM protected field 19 MD MT877 MD MT877C Servo ATT Auto Adjustment AUTO2 ATT auto adjustment menu PLAY Y AT2 During ATT auto adjustment Adjustment error Normal end ADJ adjustment error
76. epresents capacity difference The 13th character represents error J 15 1 D 0 5 If there are no indications for other parts the resistors are 5 carbon film type Parts marked with 27 are important for maintaining the safety of the set Be sure to replace parts with specified ones for maintaining the safety and performance of the set MD MT877 MD MT877C NO INTEGRATED CIRCUITS PARTS CODE x 10101 VHIIR3R58M 1 1200 VHI62GR2522 1 10201 VHILR378161 1 10202 RH IX2824AFZZ 10251 VHIS80808LN 1 10271 VHI75S54FU 1 10351 VHI74ACTO2T 1 10353 VHIFTD2005 1 10354 5608 1 401 RH IX0419AWZZ 1402 VHI58X2404T 1 10404 VHIN7SZ86P5 1 10431 VHIS80820LN 1 501 VHIAK4551VT 1 601 VHIBD6640KV 1 651 VHILB1938T 1 1 701 VHIIR3R54N 1 10703 VHIIRSR59N 1 771 VHI62GR2322 1 10801 VHIS80814LN 1 10821 VSCPH3413 1 10822 VHIIR3M14N 1 10841 VHI63720281 1 10842 VHI62GR2522 1 10851 VSCPH3413 1 10852 VHIIR3M14N 1 10871 VHITC7S86FU 1 10873 VHI62GR4522 1 TRANSISTORS Q103 VHIFDG312P 1 Q251 VS2SA17457 1 Q252 VSFTD2017 1 Q253 VHIRN4904 1 Q254 VS2SA1832GR 1 Q261 VHIHN1C01FU 1 Q442 VSRN4911 1 Q443 VS2SC4738GR 1 Q493 VS2SA1832GR 1 Q711 VSRN1444A 1 Q721 VS2SD1979S 1 Q801 VHIRN4904 1 Q802 VSFDN339N 1 Q803 VS2SA17457 1 Q804 VHIHN1C01FU 1 Q805 VS2SA1832GR 1 Q806 807 VHIHN1C01FU 1 Q821 VHIHN1C01FU 1 Q825 VSD
77. for power BLANK MD Nothing is recorded Replace the disc with a recorded disc BLANK Can t COPY You tried to record from a copy prohibited Record using the analog cable MD MT877 S Can tC MiniDisc Record using the analogue cable MD MT877C S Can t EDIT Atrack cannot be edited Change the stop position of the track and then edit it Can tE Can t READ The disc data cannot be read because the disc Reload the disc Can tS is damaged Replace it with another recorded disc Can tT Can tU Can t REC Recording cannot be performed correctly due to Re record or replace it with another recordable disc Can tR vibration or shock Can t STAMP Stamp function does not work Check the number of tracks Can t WRITE Cannot save the TOC information correctly to a Replace the disc with another recordable disc Can tW MiniDisc A large portion of the disc has been damaged CHARGEmode The Charge Operation switch is not set to the Setthe Charge Operation switch to the operation mode operation mode when using this unit with the AC adaptor DEFECT The disc is scratched If the sound you hear is not right record again DEFECT Replace the disc with another recordable disc DISC FULL The disc is out of recording space Replace it with another recordable disc Er MD The microprocessor has reported a system fault To have it repaired go to the distributor where you pur
78. here the top bottom and B patterns are connected e Through hole where the top bottom and hround patterns are connected e Through hole where the top and bottom patterns are connected The numbers to are waveform numbers shown in page 37 Figure 32 WIRING SIDE OF P W BOARD 1 4 232 MAIN PWB A BOTTOM VIEW MD MT877 MD MT877C
79. ing UDSKM0001AFZZ Note Use the low reflection disc on which music has been recorded Entering the TEST mode 1 Setting at port in standby state disc free state or power nonconnected state 1 Set the port as follows TEST1 Low TESTO High 2 Press the PLAY button in the standby state it is allowed to close the disc lid or to connect the power supply 3 Test STOP TEST Leaving the TEST mode 1 Press the STOP button in the TEST mode stop state or version indicating state or whole LCD lighting state 2 EEPROM rewrite enable area updating 3 Change to standby state Test Mode ADJUSTMENT 2 Setting by special button operation in standby state Test mode Perform it with the remote control 1 Press and hold the PLAY MODE button on the remote control and press the PLAY button 2 Release only the PLAY MODE button 3 Press and hold only the PLAY button and press the VOL UME button 4 Normal mode setting initialization BASS setting VOLUME setting etc 5 Test Mode STOP TEST 6 Press VOLUME to check the microcomputer version 7 Press VOLUME to light up all the LCDs Shipping setting method 1 Insert the rechargeable battery Do not close the compartment 2 Close the battery lid twice in succession while pressing the VOLUME button and the PLAY button on the main unit at the same time Turn on and off the power twice 3 Ma
80. io is heard Is audio waveform output from 501 pins 15 and 16 2 IC201 pins 70 to 72 74 and IC501 pins 9 10 11 Yes y 18 audio waveform output from 1 703 pins 8 and 17 Check the pins 4 and 21 of IC703 Yes y Check for defective solder joint of audio signal line between 15 audio waveform output from J703 pins 3 and 4 12703 and J703 Yes Y Check headphones jack and periphery of headphone The spindle motor fails to run Does the head move Does the waveform appear on the 1 201 pins 24 and 25 after Re Check the IC201 periphery TEST mode AUTO2 completion and in this state Yes Y Does waveform appear on the IC601 pin 15 E A Replace 1 601 Yes Y Does waveform appear on IC601 pins 7 10 and 12 1608 1 201 1 601 CN601 and flex etc soldering check Yes Y Replace the spindle motor 39 MD MT877 MD MT877C Recording playback operation Insert a low reflection disc and ascertain audio output by normal playback and then set TEST REC mode Change MSL from OOH to 80H by the control setting of EEPROM After completing the operation return in to OOH Does the head move down failing to start record even when the continuous record mode is set after address Yes Y Check voltage of pins 57 and 58 of IC201 pins 2 3 6 and 7 of
81. ke sure the display changes from INIT to BYE 1 AUTO 1 Mode Perform preliminary automatic adjustment If the combination of mechanism and pickup PWB has been changed be sure to start from AUTO1 Perform ATT attenuator automatic adjustment Perform continuous playback error rate display jump test 2 AUTO 2 Mode 6 MANUAL 2 Mode Temperature is displayed Seeing the displayed adjustment value perform ATT attenuator manual adjustment Continuous playback is performed error rate display jump test 7 ERROR INFORMATION Error information is displayed Mode Error information is initialized 3 TEST PLAY Mode Continuous playback from the specified address is performed 1 line 10 lines or 100 steps manual jump is performed C1 error rate display pit section ADIP error rate display groove section The temperature correction is performed only when servo start is performed but the posture correction is not performed during continuous playback Continuous record from the specified address is performed Change of record laser output servo gain is also changed according to laser output The temperature correction is performed only when servo start is performed but the posture correction is not performed during continuous recording Temperature is displayed Seeing the displayed adjustment value perform preliminary manual adjustment Error rate indi
82. l of the tracks and then record again Tform TOC FULL O There is no space left for recording character gt Replace it with another recordable disc information track names disc names etc Tr Protect O The track has been protected from being erased Edit the track with the device on which it was recorded DISC A disc which contains data other than music was DISC played Adisc which contains non music data cannot be played O There is an error in the signal recorded on the Replace it with another recorded disc disc Stamping is not possible Retry Error messages seen on the remote control Number or symbol appears in position MD MT877 MD MT877C MiniDisc System Limitations The unit may have the following symptoms while recording or editing The unit is not out of order SYMPTOM LIMITATIONS DISC FULL or TOC FULL appears More than 255 tracks maximum cannot be recorded regardless of the re even though the MiniDisc still has re cording time cording time left If the MiniDisc is recorded or edited repeatedly or if it has scratches record ing skips scratched parts you may not be able to record the maximum tracks above The remaining recording time does not The unit does not count non recorded portions that last 12 or fewer seconds increase even though you erased tracks to display the remaining recording time The time may not increase even if you erase short tracks
83. lection input 1 57 05602 05602 Sub clock not used In this unit the terminal with asterisk mark is open terminal which is not connected to the outside 41 MD MT877 MD MT877C 401 RH iX0419AWZZ System Microcomputer IX0419AW 2 2 Pin No Port Name Terminal Name Input Output Function 58 OSC1 OSC1 Sub clock 59 RES RESET Input Microcomputer hard reset input 60 NMI DCIN Input DC IN edge detection 61 STBY _STBY Input Microcomputer standby input not used 62 VCC VCC Input Positive power supply 63 XTAL XTAL Crystal connection terminal 64 Vss VSS Ground potential 65 EXTAL EXTAL Crystal connection terminal 66 FWE FWE Input Flash write enable 67 MD2 MD2 Input Operation mode selection input 2 68 PF7 _EJSW Input Ejection lever operation detection input 69 PF6 SLCNT3 Output Stepping control 3 70 PF5 SLCNT2 Output Stepping control 2 71 PF4 SLCNT1 Output Stepping control 1 72 PF3 ADTRG _RPLAY Input Remote control PLAY button operation detection input 73 PF2 SENSE Input System LSI servo sense input 74 PF1 _FOK Input Focus OK signal input 75 FPO IRQ2 _DCEXT Input DC IN detection level 76 TxDO RMDAT Output Remote control indication data PC link data output 77 RxDO PCLDI Input PC link data input 78 SCKO SCKO Outp
84. mode changes to the TEST mode stop state Error data 0 is the latest error Error which occurred in the TEST modeis also stored in the memory When the DISP button is pressed while the error data indication menu appears the error data is initialized CLEAR oo Error Code Error messages Can t READ x The details fT Focus E Servo adjustment Track such TOC information reading o u information reading w At the time of data writing p Spindle start Er MD The details 41 light test error 80 EEPROM information reading error 2 IC402 writing procedure Procedure to replace EEPROM and write initial value of microcomputer in EEPROM 1 Replace EEPROM 2 Refer to the latest EEPROM data list 3 Start the test mode Refer to page 12 Entering the TEST mode 4 Version display At the time of settlement of the test mode by the button operation Ver L_ EEPROM version c z Microcomputer ROM version 5 The whole LCD lights 6 Test mode stop state TEST 2 Temperature reference setting method 1 Measurement calculation and setting procedure 1 Set the TEST mode 2 Start the EEPROM mode Temp menu Button operation in order of BASS FAST REVERSE x 1 time PLAY PLAY in the test mode STOP state e is displayed Temperature code Temperature reference 3 Once press FAST FORWARD and de
85. ms 1 16W 6 8 kohms 1 16W 100 ohm 1 16W 39 kohms 1 16W 8 2 kohms 1 16W 1 kohm 1 16W 4 7 kohms 1 16W 47 kohms 1 16W 180 kohms 1 16W 2 2 kohms 1 16W 100 ohm 1 16W 390 kohms 1 16W 100 kohm 1 16W 15 ohms 1 16W 47 kohms 1 16W 100 kohm 1 16W 1 kohm 1 16W 330 kohms 1 16W 1 Mohm 1 16W 100 kohm 1 16W 560 kohms 1 16W 47 kohms 1 16W MD MT877 MD MT877C NO R810 R812 R813 R814 R815 817 R818 R821 R822 R823 R824 R825 R826 R827 R828 R829 R831 832 R833 R834 R841 R844 R850 R853 R854 R855 R857 R871 R881 R882 R903 R904 R905 R906 R907 R908 R909 R920 RAO1 02 0 04 05 06 07 08 12 13 14 15 16 5 VRS CZ1JB223J VRS CZ1JB104J VRS CZ1JB222J VRS CZ1JB273J VRS CZ1JB104J VRS CZ1JB473J VRS CZ1JB222J VRS CZ1JB104J VRS CZ1JB274J VRS CZ1JB103J VRS CZ1JB394D VRS CZ1JB395J VRS CZ1JB274D VRS CZ1JB222J VRS CZ1JB104J VRS CZ1JB184D VRS CZ1JB470J VRS CZ1JB155J VRS CZ1JB104J VRS CZ1JB470J VRS CZ1JB223J VRS CZ1JB274J VRS CZ1JB103J VRS CZ1JB184D VRS CZ1JB564D VRS CZ1JB103J VRS CZ1JB183J VRS CZ1JB103J VRS CZ1JB471J VRS CZ1JB103J VRS CZ1JB104J VRS CZ1JB274J VRS CZ1JB184J VRS CZ1JB104J VRS CZ1JB103J VRS CZ1JB104J VRS CY1JB562J VRS CY1JB822J VRS CY1JB183J VRS CY1JB563J VRS CY1JB562J VRS CY1JB822J VRS CY1JB183J VRS CY1JB563J VRS CY1JB333F VRS CY1JB183F VRS CY1JB103J VRS CY1JB331J _
86. nges as follows measurement value Sa _000 Sb_OOO pisP_ Y OOO LPFABO measurement value SA OOO SB OOO DISP ab LPFEFO measurement value _ DISP ef OOO LPFEINO EFMIO measurement value SE DISP ei ooo DISP EF SQ LPFFINO EFMIO measurement value SF DISP fi ooo DISP EF OOO DISP DISP Servo ATT Manual Adjustment MANU2 PLAY TMP _ SKIP DOWN LON_P_ SKIP DOWN SKIP DOWN PF OOO SKIP UP SKIP DOWN HA OOO La OOO sk DOWN HB OOO Lb OO SKPUP skip DOWN GC _ 00 SKIP UP T sk DOWN GE_OOO sk DOWN GF OOO lj SKIP DOWN LA SKPUP yy DOWN LB OOO MD MT877 MD MT877C A ATT focus tentative setting B ATT focus tentative setting ABMAXO measurement value indication 1 Mark lighting A ATT focus tentative setting B ATT focus tentative setting LPFABO measurement value indication 1 Mark lighting Pit section adjustment COUT level setting Group section adjustment COUT level setting LPFEFO measurement value indication 1 Ma
87. ohms 1 16W 8 2 kohms 1 16W 18 kohms 1 16W 56 kohms 1 16W 33 kohms 1 16W 18 kohms 1 16W 10 kohm 1 16W 330 ohms 1 16W Socket 22Pin Socket 14Pin Socket 11Pin Socket 7Pin Square Tip Type Fuse 0 4A DC60V Jack Optical Line Jack Mic In Jack Remote Control Earphones Motor Spindle Motor Sled Motor Lift Switch Key Type Eject Switch Push Type Disc Protect Switch Key Type Record Switch Key Type Play Switch Key Type Bass Switch Key Type Edit Switch Key Type Display Switch Key Type Volume Switch Key Type Volume Switch Key Type Stop Switch Key Type Mode Switch Key Type Fast Reverse Switch Key Type Fast Forward Switch Key Type Enter Switch Push Type Open Close Wheel Drive Screw Drive NO M901 M902 M903 PARTS CODE RCILHO003AWM1 RCTRH8210AFZZ QPWBH0010AWZZ LHLDX3008AWM2 MLEVF0058AWFW MSPRT0041AWFJ LANGK0211AWZZ LCHSM0107AWM1 MSPRPOO44AWFJ MLEVFOOS6AWFW MLEVF0057AWFW NGERH0096AWZZ MSPRPO0043AWFJ NBRGCO0004AWZZ LX BZ0049AWZZ LX BZ0050AWZZ LX BZ0051AWZZ LX BZ0823AFZZ LX JZ0027AWZZ LX JZ0167AFZZ LX WZ9290AFZZ LX WZ9296AFZZ RMOTV0031AWZZ RMOTS0002AWZZ RMOTV0033AWZZ CABINET PARTS 201 202 202 203 204 205 207 208 209 210 212 213 214 215 216 217 218 219 220 221 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 601 602 603 604 GCABA3008AWM1 GCABB3010AWM1 GCABB3013AWM1 GCABA12
88. output 30 PAO CHGCNT Output Charge control 31 TxD2 DSPDAT Output Unit indication data output 32 PA2 DSPSTB Output Unit display strobe output 33 SCK2 DSPSCK Output Unit indication data clock output 34 P10 PBOPON Output Audio IC output stage control output 35 P11 P11 Output Reserve 36 P12 TCLKA CIN Input Track cross signal focus drive detection 37 TCLKB SPIN Input Spindle motor FG pulse detection input 38 IRQO _DINT Input System LSI interruption 39 P15 DISCPR Input Disc record inhibition switch input 40 IRQ1 ARQD Input Disk cap opens and closes detection it is started and required 41 P17 P17 Output Reserve 42 AVSS AVSS A D and D A converter ground potential 43 DA1 LDVAR Output P U laser power setting output 44 DAO PAO Output Reserve 45 AN RKCNG Input Remote control button operation detection input 46 AN6 TEMP Input Ambient temperature detection input 47 5 2 Input Unit button operation detection input 2 48 AN4 HKEY1 Input Unit button operation detection input 1 49 AN3 RKEY Input Remote control button operation detection input 50 AN2 STDCK Input Lithium battery voltage detection input 51 AN1 PLVDCI Input DC IN voltage detection input 52 ANO PLVBAT Input DC voltage detection input 53 Vref VREF A D and D A converter reference voltage 54 Input A D and D A converter positive power supply 55 MDO MDO Input Operation mode selection input 0 56 MD1 MD1 Input Operation mode se
89. rame Ass y Battery Terminal Holder Battery Cover Extension Terminal B Cover Extension Terminal A Extension Terminal A Battery Terminal Sheet Insulation Bracket Lock Cover Charging Stand Sheet Flexible PWB Protection Sheet PWB Spacer PWB B Cushion Terminal Charging Stand Terminal Sheet Main Frame Spacer PWB A Spacer Main Frame Sheet Button Guide Sheet Button Sheet Open Close Button Cushion Bracket Sheet Button Screw o1 4x1 5mm Screw o1 4x2 5mm Screw g1 4x2mm Screw g1 4x2 5mm 5 0284 77 J Packing Add SPAKC1155AWZZ SPAKC1229AWZZ 4 4 Packing Case 877 5 Packing Case MD MT877C 5 PARTS CODE SPAKZ0630AWZZ SPAKZ0692AWZZ SSAKA0009AWZZ ACCESSORIES GCASZ0002AWSA J QCNWGO0029AWZZ J tt gt gt gt QCNWG0382AFZZ J QCNWG0422AFZZ J AQ RADPA3048AWZZ J AW RPHOHO176AFSA J AT RRMCWO0011AWSA J RRMCWO012AWSA J RUNTZ0032AWM1 J BL TINSKO115AWZZ J TINSZO639AWZZ J AE TINSZO640AWZZ J TLABZO695AWZZ J AA UBAGCO005AWZZ J AD UBAGCO006AWSA J AH UBATMOO06AWSA J AY P W B ASSEMBLY Not Replacement ltem PWB A 92LPWB3664MDSS J PWB B 92LPWB3532KEYS J OTHER SERVICE PARTS UDSKMOOO1AFZZ J AZ 88GMMD 110 J BV 88GMMD 213A J BT BATTEY CHARGER PARTS PRICE RANK DESCRIPTION Pad AC Adaptor Sheet Bubble Polyethylene Bag Battery Charger Battery Case Connecting Cord RCA Type From Serial No 105xxxxx Connecting Cord R
90. rasero del pantal n porque podria da arlo al sentarse Recording Grabacion Check that the unit is connected to the stereo system Compruebe que el aparato est conectado al sistema est reo 1 Press the REC button Pulse el boton REC 2 Begin playback on the stereo system connected to this unit Inicie la reproducci n el sistema est reo conectado a este aparato 3 Press the ma or 1 button to adjust the recording level Adjust the recording level so that the maximum sound volume from the source makes the reading swing somewhere between 4 dB and 0 Pulse el bot n gt gt para ajustar el nivel de grabaci n Ajuste el nivel de grabaci n para que el volumen de sonido m ximo de la fuente produzca una indicaci n de entre 4 dB y 0 Level meter indicator Indicador del medidor de nivel in 0dB 4dB Playing Reproducci n 1 Insert the earphones plug firmly into the earphones jack on the remote control unit Inserte firmemente la clavija de los auriculares en la toma de auriculares del controlador remoto 2 Plug the remote control into the jack on the unit Enchufe el controlador remoto a la toma del aparato 3 Insert a MiniDisc Inserte un MD 4 Press the button Pulse el bot n gt To stop playback Press the W OFF button Remote control press the button If the unit is not operated
91. rk lighting E ATT tracking initial setting LPFEINO measurement value indication 1 Mark lighting EFMIO measurement value indication REPEAT 1 Mark lighting F ATT tracking initial setting LPFFINO measurement value indication 1 Mark lighting EFMIO measurement value indication REPEAT 1 Mark lighting ATT manual adjustment menu Temperature code indication Temperature code Laser ON play power Pit section E ATT tracking setting ATT setting Pit section tracking setting ATT setting High reflection A ATT focus setting Low reflection A ATT focus setting ATT setting High reflection B ATT focus setting Low reflection B ATT focus setting OOO ATT setting TCRS ATT setting OO ATT setting Groove section E ATT tracking setting ATT setting Groove section F ATT tracking setting ATT setting Low reflection A ATT focus setting ATT setting Low reflection B ATT focus setting ATT setting When the STOP button is pressed in specific condition the TEST MODE STOP state is set If the PLAY button is pressed in the B ATT setting state the mode is changed to the continuous playback mode And if the P MODE button is pressed in the continuous playback state the mode is changed to the B ATT setting state of the ATT manual adjustment
92. rs or in the TEST REC mode or continuous record mode the mode changes to the TEST mode stop state Whenever the DISP button is pressed in the TEST REC menu the target address changes as follows 0032 03C0 0700 08A0 0950 0032 When the PLAY button is pressed while a target address is dis played continuous playback is performed after searching that address Whenever the MODE button is pressed in the TEST REC mode target address is displayed the digit which is changed by the FAST FORWARD REVERSE button changes as follows 0032 0032 0032 0032 When the FAST FORWARD button is pressed in the TEST REC mode target address is displayed the digit of address specified by the MODE button is set to 1h 0 to F When the FAST REVERSE button is pressed in the TEST REC mode target address is displayed the digit of address specified by the MODE button is set to 1h 0 to F When the FAST FORWARD REVERSE button is held down the setting changes continuously one cycle being 100 ms When the VOLUME button is pressed in the TEST REC mode continuous record mode the laser record power changes Servo gain changes also according to record power After the laser record power is indicated for one second the ad dress indication is restored R PW wvwv Address VV Laser power cord Operation is disabled if the premastered disc or disc is in miserase protected state
93. seguridad a fondo 1 Move the Charge Operation Switch to Charge mode RE LEASE Mueva el selector de carga operaci n al modo de carga RELEASE 3 Move the Charge Operation Switch to Operation mode LOCK Mueva el selector de carga operaci n al modo de operaci n LOCK 4 Plug the AC adaptor Enchufe el adaptador de CA 2 Insert the portable MD into the battery charger Inserte el MD port til en el cargador de bater as Before using the unit with a rechargeable battery the battery has to be charged Refer to Using with the rechargeable battery Antes de emplear el aparato con una bater a recargable se deber cargar la bater a Consulte el apartado de Empleo con la bater a recargable Preparation for use Preparaci n para su utilizaci n The unit does not work if the M HOLD button is set to HOLD Este aparato no funciona si el bot n M HOLD est puesto en HOLD Press the HOLD button for 2 seconds or more Pulse el bot n 1 durante 2 o m s segundos H Released Retenci n Liberaci n For operations Para operaciones Move it to operation mode when playing back or recording Mu valo a la posici n del modo de operaci n para la reproducci n o grabaci n CAUTION It is not recommendable to put the MiniDisc into a rear pocket as this may damage the product when sitting PRECAUCION No se recomienda ponerse un minidisco en bolsillo t
94. termine the dis played microcomputer TEMP input AD value is displayed TEMP input AD value 2 Temperature measurement value correction table Ambient Temperature Center temperature correction temperature 8 C 10 C 05h 9 1 C 11 C 13 C 04h 12 0 C 14 C 16 C 03h 14 9 C 17 C 19 C 02h 17 8 C 20 C 22 C Oth 20 7 C 23 C 25 C 00h 23 6 C 26 C 28 C 01h 26 9 C 29 C 30 C 02h 29 4 C 31 C 33 C 03h 32 3 C 2152 MD MT877 MD MT877C 7 Press the BASS button and press 1 time the FAST REVERSE button EEPROM 8 Perform the operation to display EEPROM SETTING MODE CHART compare the EEPROM DATA LIST with the display and set according to the EEPROM DATA LIST with the VOLUME or VOLUME button 9 Set the temperature reference Refer to the Tempera ture reference setting method 10 Set according to the EEPROM DATA LIST 11 Press the STOP button TEST 12 Press the STOP button 13 After data is written in EEPROM turn off power 4 At the ambient temperature determine the tempera ture corrected value from the temperature measure ment value correction table 5 Determine the temperature reference using the follow ing formula Temperature reference Microcomputer TEMP input AD value Temperature corrected value 6 Set the temperature reference value b
95. the main frame to the A direction and remove the MD mechanism upward 01 1 10 3 5 LCD PWB x m Y 10 4 Cabinet g Exe 9 1 4 x 2 Figure 10 4 B1 x2 g 1 4 x 2 mm TOP Cabinet 1 4 x 2 1 x 1 014 2 Bottom Cabinet EJEC Knob A1 x 1 1 4x 2mm Figure 10 1 Main Frame Caution Carefully handle the main PWB and flexible PWB After removing the flexible PWB 1 for the optical pickup from the connector do not touch directly the front end of flexible PWB with your hand so as to prevent damage of optical pickup by static electricity Figure 10 2 Main Frame D1 x 1 1 4 x 1 5 mm Figure 10 3 10 MD MT877 MD MT877C REMOVING AND REINSTALLING THE MAIN PARTS Remove the mechanism according to the disassembling meth ods 1 to 4 See Page 10 How to remove the spindle motor See Fig 11 1 1 Remove the solder joints A1 x 4 of flexible PWB 2 Remove the screws A2 x 3 pcs and remove the spindle motor How to remove the lift motor See Fig 11 2 1 Remove the solder joints B1 x 2 of lift motor lead wire 2 Remove the screw B2 x 1 pc and remove the lift motor Note Take care so that the motor gear is not damaged If the gear is damaged noise is caused How to remove the sled motor See Fig 11 3 1 Remove the stop washer C1 x
96. u PLAY J gt Temp TEMP setting menu SKIP UP y SKIP DOWN Focus _ Focus setting menu SKIP UP T skip DOWN Track _ Tracking setting menu SKIP UP SKIP DOWN 5 u Spin setting menu SKIP UP SKIP DOWN Sled Sled setting menu SKIP SKIP DOWN Bass __ BASS setting menu SKIP UP SKIP DOWN ADJSET Adjustment setting menu SKIP UP DOWN DEQSET Digital EQ setting menu SKIP UP SKIP DOWN CTRL Control setting menu SKIP SKIP DOWN 1 setting TEST mode menu When the STOP button is pressed in specific menu the TEST MODE STOP state is set TEMP Setting Temp PLAY TM OO SKIP UP SKIP DOWN TPin Temp setting menu TEMP standard value setup OO Setup value Temperature code TEMP A D input value indication When the STOP button is pressed in specific menu the TEST MODE STOP state is set When the DISP button operation is performed in the specific state the menu changes to TEMP SETTING menu When the P MODE button is 1st digit initial value P MODE ressed in each state the set digit is changed 2nd digit 00 the specific state the setting changes in the range of Oh to Fh when the VOLUME button is pressed Setup except for TEMP Each setup menu PLAY Setup item OO
97. ut Serial clock output not used 79 P33 _ELON Output EL lighting control output L 80 P34 LEDCTB Output LED lighting control Blue 81 P35 _STOP Input Unit stop button control detection input 82 P36 LEDCTR Output LED lighting control Orange 83 P77 DCNT Output Mechanism driver enable output 84 P76 BATON Output Battery power supply line ON OFF 85 P75 LDON Output P C laser ON OFF control output 86 P74 PBLAT Output Audio PC data clock output 87 P73 PCNT3 Output _DC IN input control output 88 P72 DCON Output DC power supply line ON OFF 89 P71 PCNT2 Output START Tr ON OFF 90 P70 Output Audio output emphasis control 0 91 PGO IRQ6 PLAY Input Unit PLAY button operation detection input 92 PG1 IRQ7 REC Input Unit REC button operation detection 93 PG2 _XRST Output System LSI hard reset output 94 PG3 CKSTP Output Microcomputer standby operation monitor 95 PG4 LEDCTG Output LED lighting control Yellow green 96 PEO _EPCS Output EEPROM chip selection output 97 PE1 EEPD Input Output EEPROM serial data input output 98 PE2 EEPK Output EEPROM serial clock output 99 PE3 EPRT Output EEPROM write protection control output 100 PE4 PCNT1 Output System power supply ON OFF control output In this unit the terminal with asterisk mark is open terminal which is not connected to the outside 42 201 VHiLR378161 1 Endec Servo Atrac LR378161 System LSI expansion output port MD MT877 MD MT877C
98. y button opera tion and check whether the temperature code indica tion corresponds to Temperature Code Identification Table 3 Temperature code identification Check that the temperature code indicated after the servo control corresponds to the temperature limits below Ambient Temperature Center temperature correction temperature 410 C 08h 0 5 C 3 C 21 C 07h 12 0 C 15 C 33 C 06h 23 6 26 43 C 05h 35 0 C MD MT877 MD MT877C EEPROM DATA LIST EEPROM version C Fucus setting Spindle setting 16 Item display Set values Item display Set values FG1 OO 44H SPG_OO 30H FG2 00 70H SPi 9AH FFO 10H SPm OO 62H FF1 70H 4FH E8H FO 10H SP1 OO 10H OO 48H SP2 60H 2 00 SP3 OO F2H FZH OO EDH 5 4 OO F2H OO 09H SP5 OO 10H OO 06H 502 OO 60H OO OFH 5 5 OO 10H FSS OO 28H 501 OO 7FH FTS OO 18H 502 OO 7FH FSB OO 40H SPK OO EBH FIB OO 38H MPG OO 28H FGM OO 66H SPL OO 60H TVG 84H SPW OO OFH TO1 OO 50H SPB OO 66H 58H 58 OO COH OO 58H 58 OO 9AH SRo OO 7BH Tracking setting Item display Set values Sled setting TG1 OO

Sharp MD-MT877C MiniDisc Player User Manual

Contents

Download Pdf Manuals

Related Search

Related Contents