Service Manual
Contents
1. c oo 55 54 Q CM103 oe Ta Te 20211 lt 7 2 k 8 aes ho HH b 7 PUTA ui i TO Fast POR WIRING DIAGRAM CD amp FRONT FRONT P C B G Lh A uU B H fE 12527 2526 R2525 Rosaa 2281 02504 CMKS 81X TUNING PH gt DOWN 1AD4B10B47475 AU gt TO MAIN TUNER ANPLIFIER P C B CN408 REPEAT CD MECHANISM CN201 05 CN405 TO MAIN TUNER AMPLIFIER imd eo Site D ta SE IN e S 1212 1407 N 25 S 111 7 ue aoz 01313 CAU 5 Fi yi Q add S 61322 gt p 781327 5 K 3 amp J75 0 EH 5 d S 5 E 02 cix A 7 re ait Te 85 34 gp 1 pon 1103 2 cm m amp z SIE O fue CLEAR Sw Eu s B 23 PICKUP 5 51301 26 27 FMV VOLTAGE 52. p FILE NO LOCAL 95 magu ST Service Manual Mini Component System 05 N2 This Service manual is consist of RB D5 DC DSU SX D5 REFERENCE No 5 580235 pe I UU outs Contents PRODUCT CODE No 129 418 05 AU Specification 1 Exploded View CD Mechanism 20 System Connection 1 Parts List CD Mechanism 21 Laser Beam Safety Precaution 2 Exploded View Tape Deck Mechanism 22 CD Mechanism Removal 3 Parts List Tape Deck Mechanism 23 CD Service Mode 7 Schematic Diagram CD 24 CD Adjustment 9 Wiring Diagram CD amp Front 26 Tape Deck Adjustment 11 Schematic Diagram Tuner 28 Tape Deck Replacement 12 Schematic Diagram Front 30 Operating the Reset Switch 13 Schematic Diagram Power Amp 32 Parts List Remocon 13 Wiring Diagram Main Amp amp G Equalizer 34 Parts List Speaker 13 Schematic Diagram Tape Deck Amp 36 IC Voltage Table of CD 14 Wiring Diagram Tape Deck Amp 37 Exploded View Cabinet amp Chassis 15 IC
3. Stop Mode 4 12 2 58 2 33 _ Play Mode Fluc Fluc Fluc Fluc Fluc n m Stop Mode 1 91 1 46 1 44 1 25 1 21 1 24 1 58 4 40 4 50 5 01 1 57 1 58 1 59 T Fuc Fluc Fluc Fluc Fluc Fluc Fluc 5 02 Fluc Fluc 1 68 2 61 3 31 3 31 2 57 2 51 3 31 Fluc Fluctuation 9 12 2 00 4 84 4 84 28 4 2 4 84 0 01 4 82 44 45 47 48 4 82 5 02 5 02 0 0 4 85 4 85 0 09 4 97 4 97 4 97 4 97 51 52 53 56 62 5 02 4 86 4 85 77 85 Measuring Pin No Stop Mode 2 52 5 2 12 2 T 2 57 uring Pin No eee Stop Mode 0 46 2 45 0 5 00 5 01 0 46 2 45 5 00 5 01 2 08_ 2 62 0 2 50 4 56 2 28 0 02 2 09 0 59 0 61 2 50 0 0 02 0 12 Measuring LI Stop Mode 2 50 4 85 4 85 0 0 30 0 02 0 01 14 EXPLODED VIEW CABINET amp CHASSIS CD PLAYER MECHANISM PM DAD EX23S SP 37 5 15 PARTS LIST PRODUCT SAFETY NOTICE Each precaution in this manual should be followed during servicing Components identified with the IEC symbol in the parts list and the schematic diagram designate components in which safety can be of special significance When replacing a component identi fied use only the replacement parts designated or parts with the same ratings of resistance wattage or vo
4. 95175 sl WLP 9 gt H 5 22272 em ME O 33 32 WIRING DIAGRAM MAIN TUNER POWER AMPLIFIER amp GRAPHIC EQUALIZER D ASS Sy IAD48168476254 FRONT PCB CN251 BE eem 8 B ES Omm ESEG AR gem 1 1 1 1 PT t _ DE MOSZ 1 vuosz i 1 230 240 50Hz ESO POWER SUPPLY P C B CN107 CN105 MAIN PC B AM LOOP ANT CN303 CN3O0 DECK AMPLIFIER PCB 34 1 04810847575 R CH SPEAKERS L CH 40 MIN 35 TO FRONT CN252 WIRING DIAGRAM TAPE DECK AMPLIFIER DIAGRAM TAPE DECK AMPLIFIER CN403 TO MAIN TUNER AMPLIFIER PC B CN404 TAPE B HEAD R CH L CH 191704 9772009 gt gt x 8 lt 33H 3030 045 Je 234 8 AT H v Dd 681871 lt II DEC
5. for Sampling Hold Output of signal to DAC Signal of Latch amp L R select Signal for Sampling Hold Output of signal to DAC Signal of Latch 8 L R select Signal for Sampling Hold Output of signal to DAC Signal of Latch amp L R select Signal Negative output through limiter Antiphase of EFMO This signa use SLICE LEVEL CONTROL Positive output through amplitude limiter Antiphase of EFMO ignal use SLICE LEVEL CONTROL Inputting HF signal of 1 2Vp p This signal use SLICE LEVEL CONTROL TEST2 For TEST Normal time is non connection Output for DISC MOTOR CONTROL Output for DISC MOTOR CONTROL vie CLV rough Servo time Output _ Phase control time Output L Output H Lens pull up with slowly than stop the Focus Servo FZD generate it reset output of FOCS For lead in of for Sampling Hold For TEST Normal time is non connection For output of signal that Comply with CD ROM For output of signal that Comply with CD ROM For output of signal that Comply with CD ROM For output of signal that Comply with CD ROM For output of signal that Comply with CD ROM Output of DIGITAL OUT Synchronizing signal of sub code block crc For correction monitor of C1 C2 single double SFSY is Synchronizing signal of sub code amp frame Clock of eighth send to SB
6. CLV Error Amplifier 13 1 of Tracking Pulse Amplifier ___ 53 o Slice Level Control Amplifier Output TeA 1 Input of Tracking Pulse Amplifier __ 54 1 EFMO RF 15 Tao Tracking Pulse Amplifier Output 55 _ Signal 16 rors 1 input for Tracking 56 voo es _________ 17 Tos 1 Tracking Servo Hold Switch 57 Input of Control Amplifier 18 1 Add the Track Jump 58 PDO Inputof VCO Control Amplifier 0 Track Jump Pulse Amplifier Output 59 1 VCO Control Amplifier Output 20 1 input for Sled Servo Equalizer 60 vcoo vco Output 00 21 0 Tracking Actuator Coil Driver Output 61 r input of Low Pass Fitter 22 o Focus Actuator Coil Driver Output DEUS Em 23 Fo 1 Input for Focus Actuator Coil Driver 63 LASER Laser Control 24 rsw _ 1 Focus Servo swith 66 60 1 Select of DSP 0 7866 0 7861 2s connection Jf 65 Nc Connection 26 O Focus Error Amplifier Output j 66 1 input for Defect Pulse width Contro 27 Fe 1 Input of Focus Error Amplifier _ 67 Input for Defect Pulse width Control 28 2
7. MA SEARCH PP ADJUSTMENT OF TAPE DECK 1 Azimuth Adjustment Be sure to clean the heads before attempting to make any adjustment Be sure both channels 1 and 2 the same level Using a dual channel oscilloscope Be sure both cannel s waveform are same for the phase matching After completion of the adjustment use the threadlock TB 1401B to secure the azimuth adjustment screws 1 DECK A Load a test tape VTT 703 etc 10kHz in deck A Press the PLAY button normal playback Use a tip screwdriver to turn the screw for normal azi muth adjustment so that the left and right outputs are maximized at the same phase during normal playback 2 DECK B Repeat procedure for deck 2 Tape Speed Adjustment DECK A 2995 3005 Hz SVRO1 Notes 1 For making adjustment of step 1 set the DECK B mechanism is record made with C 60 blank cassette tape 2 Adjustment should be made at the ending portion of the tape 3 Confirm the indication of the tape speed for 2 second after adjustment has been made and adjusting driver has been re moved from SVR on the TAPE DECK AMPLIFIER Board 4 For adjustment use the screwdriver with isolated tip from grip 5 For high speed check short the test points High SPEED to chassis ground on the TAPE DECK AMPLIFIER Board Test Tape is TCW 211 and confirm that the speed of DEC
8. 20 _ 21 8 Tu LU 3 3 uc 5 L point access REV1 track jump Tray closing has begun L point access has been completed Tray closing is in progress BU Pausing has begun Pause REV16 track jump BB ee trace 90 Music access has begun 2 Pickup return internal direction is in progress Pickup return external direction is in progress Pause FWD16 track jump Tray closing pickup return has been completed Pees spindle braking has begun 3 s Pause REV1 track jump Spindle braking is in progress Pickup return is in progress Spindle braking and pickup return have been completed Music access high speed access has begun Music access high speed access is in progress 94 Music access high speed access has been completed Music access high speed access has been completed gs Music access high speed access has been completed Music access REV64 track jump Music access FWD64 track jump Music access REV16 track jump HH Music access FWD16 track jump Music access final stage oyna has begun Bg mee in opes etu operator toc reading has been begun B roc reading i in progres TABLE 2 DISPLAYS DURING THE CD OPERATION MODE NUMBER STATE OF CD ERROR Focusing is not possible in focus search The subcode is not input during
9. input of Focus Actuator Coil Driver 68 O Defect Detect Timing 29 so o CLV Error Amplifier Output j 69 Track Detect Timing 2 30 spo 1 input for Spindle Motor Driver 70 PH 1 Focus Detect Timing 31 sPbO o Spindle Motor Driver Output Ground 2 2 25 o 50 Output stoo O Sled Motor Driver Outpt _______ 73 RFs iv Converter Output su iputof sled Motor Driver f 74 toO o taser Diode ON o 3 3s st 1 Input Sled Motor Driver 75 input of Auto Laser Power Control vc Jev O input of Auto Laser Power Control sow 1 sedSevoSwth 7 vo ss 38 0 Defectsignal Output rr IV Convert Input From Photo Diode A O 39 2 vco Fm2 Convert input From Photo Diode B D 4 Focusing Servo High Reference Voltage IC BLOCK DIAGRAM CD SECTION 103 pPD75112GF 796 3BE Micro Processor for amp Tape Deck SIGNAL PORT 1 cowur Pat 4 Tuner pe2 6 j Jx jx j EA 10 cc p 3 11 _ ________ P62 12 _______ STOPS jo 14 putu ea 1 19 _____ 2
10. 38 is removed 2 Mount the new loading sled motor CM38 onto the chassis CM39 using the screw CM24 SLED MOTOR CM38 ATTACHMENT ANGLE OF MOTOR CM50 BREAK SHAFT 4 Checking the loading sled motor s operation 1 2 3 As shown in the figure connect an ammeter and a DC pow er supply to the loading sled motor CM38 and set the tray open and end switches to the off open positions Check that the pickup CM52 moves smoothly without stop ping from the inner circumference of the compact disc to ward its outer circumference when a DC 0 6V voltage is ap plied from the DC power supply The disc tray is housed inside and the gear CM9 slips when DC 4V voltage is applied from the DC power supply Check that the ammeter indicates 120mA or more at this time SPINDLE RE it MOTOR ERE VOLTA BK METER OLTAGE 6 LOADING SLED ORJ O MOTOR END SWITCH t NS MECHANISM REMOVAL CD 4 Check points for CD mechanism assembly and 3 installing the base up down slide and timing gear lubrication 1 Lubricating and mounting the tray slide 1 Apply grease FLOIL G 474B to the area indicated by the di agonal in the figure 1 Move the base up down slide CM14 in the direction of the arrow D and set the gears at the positions shown in the figure 2 Insert the timing gear CM23 and mount it using the screw CM21 3 Turn the t
11. 519 Not Used Open OPEN nc ________520 Used Open PEN 0 Ja x Notused Ope OPEN gt N _______ 522 ________ Used Open OPEN 524 820 0 Notused Qpe OPEN ________ 525 8 1 PEN 1s Ju ________ 526 822 Not Used Open OPEN 16 fne 1 527 8 3 Not Used Open OPEN 17 auto 1528 8 4 Tuning Signal HIGH LEVEL 19 Nc 997505 EFNorUsediOpe _____ ______ _________ _ 9 19 NC _________ 530 826 ______ Used Qpen OPEN NC _____ 531 827 Not Used Open OPEN 21 como _____ 7 Common of Crystal Display 0 22 comi Common of Liquid Crystal Display 0 aa veco edd lt ge ASPs lt lt 8 5 23 COM 2 _______ Common of Liquid Crystal Display 3 _______ of Liquid Crystal Display BIAS Bias ________ Bias of Liquid Crystal Display _____________ BIAS VLCO __________ Power Supply for Drive of Liquid Crystal Display VLCI Power Supply for Drive of Liquid Crystal Displa 28 2 Power Supply for Drive of Liquid Crystal Displa wasis
12. Initial Destination Set for User Country Open or Ground 1 OPEN Initial Destination Set for User Country Open or Ground 1 V Select Signal for Auto Mute SET Open NOT BR V Power Supply 5 5V 55 147 Used Ground 05 X tal Terminal for Sub System Not Used Open OSC X tal Terminal for Sub System Clock OPEN Non Connection J OPEN _58 x ______ X o o Xtal In Main System Clock 4 194304 59 x2 X Xtal Out Main System Clock 4 194304MHz __ 1 XTAL 60 SEEK Not Used __ 7 Select Signal for Auto Tuning Mode _ ON Open OFF V 61 AMIF Not Used P61 KR1 Select Signal for AMIF SET OpenNOT Vs 1 V 62 Used P627KR2 Select Signal for NX Adj Mode ______ 1 63 MONO _______ Compulsion Monaural __________ HIGH LEVEL TUNER 64 oo Signal from LM7001 O TUNER P71 KRS Data Signal from LM7001 TUNER I A w 1 IC BLOCK DIAGRAM FRONT SECTION SIGNAL NAME RESET SEGI 70 SEG2 SEG3 SEG4 SEGS SEG6 SEG7 80 SEG8 SEG9 SEG10 SEG11 SEG12 LCD 5 6 7 KHz SIDEA MHz SIDEB GWA TRACK s REPEAT STEREO AUTO MONO FADE TIME EDIT _ com2 coms coma RANDOM U PROG REPEAT ja RANDOM
13. SWITCH TACT EDIT SWITCH TACT INTRO RESONATOR CERAMIC 4 19MHZ FOR IC2501 GRAPHIC EQUALIZER P C BOARD ASSY ASSY PCB G EQ PLUG 9P TO MAIN DIODE 155133 DIODE GMAO1 DIODE 155133 DIODE GMAO1 LED SLZ 181C 26 AB VOL POSITION 1 LED SLZ 181C 26 AB VOL POSITION 2 LED SLZ 181C 26 AB VOL POSITION 3 LED SLZ 181C 26 AB VOL POSITION 4 LED SLZ 181C 26 AB E VOL POSITION 5 a DIODE 155133 k DIODE 01 DIODE 188133 7 2 DIODE GMA01 55 LB1433N i 2SC1815 GR Box 25 945 ET 2SC1815 GR 25 945 2SC1815 GR 25 945 2SC1815 GR 25 945 SWITCH TACT WOL UP SWITCH DOWN VR SLIDE SOK OHM B 300HZ VR SLIDE 50K OHM B 1KHZ VR SLIDE 50K OHM B 10KHZ POWER SUPPLY C BOARD ASSY Panao ASSY PCB POWER SUPPLY ASSY CONNECTOR S 4P TO MAIN HOLDER F901 SOCKET 4P TO MAIN SOCKET 4 MAIN SOCKET 2P AC 19 EXPLODED VIEW CD MECHANISM 20 PARTS LIST CD MECHANISM CD MECHANISM PM DAD 23 SP Fret PartNo Description SCREW S TPG PAN 2X14 GEAR FIX WASHER V QX6X0 4 GEAR FIX GEAR TRAY MOVE SCREW S TPG PAN 2X14 GEAR FIX WASHER V 2X6X0 4 GEAR GEAR TRAY SCREW S TPG PAN PCS 1 7X6 GEAR FIX ASSY GEAR CLUTCH INNER GEAR CLUTCH OUTER GEA
14. 98 x ue lee 2 elo 5 gt FRONT PCB 2z 2 4 1 1 qu UE RENI out 92111 RN2207 r Ae VOLTAGE 29 28 SCHEMATIC DIAGRAM FRONT PL251 PL252 p z 216 EO 23 g IC2501 EIE amp 55 a KETAN E 3 sai amp gl UPD75306 mua z Me e 32 14 od ge sum TO TU EL AC CLK 2520 EH TO AMP zu es 3 st 6 21 5 smo 13 x CN252 ar TO CD SHIELD A RN1202 Y 92501 82222 30 wai HEMATIC DIAGRAM POWER AMPLIFIER 6 7 8 wa x N lt AY h lta edt yer Hy I EH x R ris 00 Fa 3 8 BB E lt EHE 25 4 ME g Fe
15. HT tam d 9 b W BE m EHE 9 b 44 Jun 93 450 NS Printed in Japan SANYO SANYO Electric Co Ltd Osaka Japan
16. 24 suso r 2s sussck 90 COH eo oo 20 31 rUNCIN jPTHO N c o pues sl 0 jo j 46 orensw _____ 122 ________ 4s N ________ 120 _______ 60 DRY 132 2 L 64 DESCRIPTION Control Signal of CD Muting Power Control Signal POWER ON ACTIVE High VIDEO Position Signal of Function Switch ACTIVE High TUNER Position Signal of Function Switch High TAPE Position Signal of Function Switch ACTIVE High CD Position Signal of Function Switch ACTIVE High System Reset X tal Out 4 19 MHz tal In 4 19 MHz Editorship of REC is in progress Power ON Signal ACTIVE High PLAY Signal ACTIVE Low STOP Signal ACTIVE Low STANDBY Stoppage Failure of Electricity Signal ACTIVE Low nchronous Operation Signal olume Up Signal olume Down Signal ontrol Signal of Analogue Audio Muting ontrol Signal of STANDBY LED ower Contro 2 Signal POWER ON ACTIVE High 300 msec after POWER OFF ACTIVE Low ot Used Open re Muting Signal for Tuner elect Signal for CLV Constant Linear Velocity Gain ata Out to Sub Micro Processor For Tuner lock Out to Sub Micro Processor For Tuner lt lt usy Signal In from Sub Micro Processor For Tuner etection Signal for Stoppage Failure of Electricit SP Digital Signal Processor Interface Sub Q Request nfrared Ray Recei
17. TP4 VC 2 Turn on the power of the unit 3 Load the test disc And set the function to CD position 4 the same time Soon after press the PLAY PAUS within a second See service mode Service mode Tracking balance adjustment mode entry 5 Press the PLAY PAUSE button 6 Adjust SVR11 so that the TE Tracking Error signal wave form of TP3 on the oscilloscope is vertically symmetrical relative to OV See figure right side f this adjustment is imperfect become run away motor pickup sending motor inferior playability Press the BAND Tuner button and CD MEMORY button at 252 CNIO4 1 TRACKING 2 FE j BALANCE TP4 VC SvR11 CN102 lt MOTOR CN103 lt SWITCH TO FRONT PCB button the sled CD ADJUSTMENT 2 Other Adjustment of Tracking Balance SVR11 1 Connect the oscilloscope to TE and VC 2 Turn on the power of the unit 3 Insert test disc and set the FUNCTION switch to CD posi tion 4 Continuously press the forward search button or back ward search 44 button to do it 5 Adjust SVR11 so that the TE Tracking Error signal wave form of TP3 on the oscilloscope is vertically symmetrical relative to OV See figure below 4 SEARCH 10 A
18. aa a 44 E FM ear eF 2 10 7MEG vec 4 lt 84 IC BLOCK DIAGRAM TAPE DECK amp MAIN AMPLIFIER SECTION 1C301 TA8189N Dual Pre Amplifier System 1 402 TC9153AP Eiectronic Volume For Tape Deck Metal Pre Tape NF OUT OUT CG 7 uD TWO WAY SHIFT gt REGISTER HIT CT NF Metal Pre MIX OUT OUT OUT 1 401 TA8229K Power Amplifier RIPPLE PRE GND2 403 LB1433N LED Level Meter Driver 42 IC BLOCK DIAGRAM FRONT SECTION SIGNAL NAME DESCRIPTION vo e o 5 w c 5 go r 5 ap 5 5 525 9 22 COM 1 Common of Liquid Crystal Displa 1 __ 52673 42 Segment of Liquid Crystal Display __ O 2 __ 43 Segment of Liquid Crystal Display 05 4 Segment of Liquid Crystal Display 0 4 secte 4155 Segment of Liquid Crystal Display LCD 5 sesiz 16 segment of Liquid Crystal Display 0 6 NC _____ TNotUsed ope Ju Notused Oope ee JOPEN fne
19. Block Diagram 38 Parts List pane een SAM eed ae Es s 16 LCD Block Diagram 44 SPECIFICATION DC D5U MINI SHELF SYSTEM Amplifier section Output power Graphic equalizer control Tuner section Frequency range Cassette deck section Track system Frequency response Signal to noise ratio Wow and flutter Fast forward rewind time CD player section Channels Sampling frequency Pickup Frequency response Wow and flutter SYSTEM CONNECTION AM loop aerial 5Wx2 atq ohms 10 distortion 10 dB 300 Hz 1kHz 10kHz PHONO 2 5 mV 50 kohms SPEAKERS 4 ohms PHONES 8 32 ohms 87 5 108 MHz 522 1710 kHz 4 track 2 channel stereo 80 13 500 Hz 50 dB 0 15 96 WRMS Approx 110 sec 60 2 channel stereo 44 1 kHz Optical 3 beam semiconductor laser 20 20 000 Hz Below measurable limits FM indoor aerial EXT ANT AM LOOP EXT AM Gemeral Powrer requirements AC 230 240 V 50 Hz Poweer consumption 50 W 270 W x 285 H x 186 D mm Wesght approx 3 8kg RB D5 WIRELESS REMOTE CONTROLLER Power requirements 2 AA batteries Dimensions approx 41 W x 175 H x 18 D mm Weight approx 63 g without batteries SX D5 SPEAKER SYSTEM Type i200 tient 2 way
20. SOCKET 10P BOARD TO BOARD TO FRONT ASSY CONNECTOR S 10 TO MAIN DIODE 155133 DIODE 155133 DIODE 155133 ZENER DIODE MTZ5 6B DIODE 155133 ZENER DIODE MTZ8 2A DIODE 155133 1 9210 6296 0 0751126 796 3 LC7861NE TDA1311T 178 05 UPC78MO5H NJM78MO5FA PROTECTOR 15 PROTECTOR 05 FILTER CHOKE 10UH FILTER CHOKE 10UH TR 2SA933S S FRONT BOARD ASSY 25 17405 5 TR 25 17405 5 DTC114TS 256 4752 ASSY PCB FRONT DTC114TS 614 248 0434 MOUNT M LCD 25 17405 5 614 248 0120 COVER LCD 25 17405 5 614 248 0441 SHEET LCD 2SA933S S 614 217 8935 SWITCH OPTO CONNECTOR 25 17405 5 IR RECEIVE REMOCON 2548335 5 PLUG 8P TUNER 2SA933S S ASSY CONNECTOR S 25 17405 5 FRONT MAIN POWER 2SA933S S PLUG TO BOARD 07 124 5 CD DTC124ES LED SLZ 1908 05 STAND BY 2S8927 S DIODE GMA01 TIP29B DIODE 155133 250330 DIODE 1 176 SWITCH TACT 0753066 257 389 10 OHM B FILTER 100UH RIPPLE CANCEL TRACKING BALANCE LCD LIQUID CRYSTAL DISPLAY RESONATOR 16 93MHZ FOR LAMP 12V 0 1A 10104 LAMP 12V 0 1A RESONATOR CERAMIC 4 19MHZ F TR RN1202 OR IC103 SWITCH TACT BAND SWITCH TACT TU MEMO SWITCH TACT FM MODE SWITCH TACT TUNING UP SWITCH TACT TUNING DOWN SWITCH TACT PR
21. TPG BIN 3X8 FOR 0132 DIODE 155133 17 reno 7 DIODE 155133 DIODE 1 DIODE 155133 7358 LA1830 AUD 1 7001 8229 TC9153AP 1780512 1780512 1 3161 38 IC PROTECTOR ICP N38 INDUCTOR AIR FM ANT COIL INDUCTOR AIR FM OSC COIL FILTER 8 2UH FILTER 10UH TR 25 1923 TR 25 380 0 TR RN2207 TR RN1208 TR RN1208 TR RN1208 TR RN1208 TR 2SC1815 GR TR 2SC945A K TR 2SC1815 GR TR 2SC945A K TR RN2207 TR RN2207 TR 2SC945A K TR 2SC1815 GR 022 TR 2SC945A K TR 2SC1815 GR TR 2SC945A K TR 2SC1815 GR TR 2SC945A K TR 2SC1815 GR TR 2SC945A K TR 2SC1815 GR TR 2SC945A K TR 2SC1815 GR TR 2SC945A K TR 2SC1815 GR TR 2SC945A K TR 2SC1815 GR TR RN1208 CARBON 220 JA 1 6W CARBON 220 JA 1 6W CARBON 100 JA 1 4W SWITCH FUNCTION SWITCH BASSX SWITCH BEAT FILTER AM IF CERAMIC TUNER AM BLOCK COIL VR ROTARY 100K OHM BALANCE RESONATOR 7 2MHZ FOR IC202 RESONATOR 7 2MHZ FOR IC202 RESONATOR FM MPX VCO DIODE GMAQ1 DIODE GMAO1 PARTS LIST ELECT 10000 6 3V DL ELECT 0 047 Z 5 5 ELECT 1000U M 6 3V SOCKET 13P PICK UP PLUG 4 MECHA MOTOR PLUG 3P CD MECHA SWITCH PLUG 4P TEST PIN TP1 TP4 ASSY CONNECTOR S 4P TO MAIN
22. disc startup The focus was lost while the servo was on during playing etc TOC cannot be read The subcode is not input while the servo is on during playing etc TABLE 3 DISPLAY CD ERRORS 8 CD ADJUSTMENT Electrical Adjustment So far we have presented explanations regarding compact disc player handling notes prior to repair handling the pickup and read these Be instructions before making any adjustments disassembly of the unit sure to carefully Notes a Preparations for Adjustments Measuring instruments and tools 1 Test disc YEDS 18 Sony 2 Oscilloscope 555711 10MHz or dual phenomenon or Memory scope 0556521 Storage scope 3 Digital voltmeter Input impedance 1M ohm or more 4 Screw drivers no metailic for adjustments The adjustments can be using the equipment produced by other manufactures provided that the performance of that equipment corresponds to that of the above listed models b Test disc is subject change without notice 1 Initial set Use a 10 1 probe for observing signals on the oscilloscope and storage scope Set the SVR11 at its initial position of adjustment controls as shown in figure below RESET SWITCH PICKUP SVR11 m INITIAL SET MECHANICAL CENTER 1301 1 103 Tj FROM POWER SUPPLY 0 CN105 2 Tracking Balance Adjustment SVR11 1 Connect the oscilloscope to TP3 TE
23. pickup with a built in laser diode for reading the music signals on compact discs b means of a laser beam are used as the parts in the compact disc player section 1 Precautions for handling the pickup and semiconductors particularly the iCs The pickup and semiconductors particularly the ICs may be da maged if they come into contact with a source of high voltage static electricity Do not bring them therefore into contact with or into the vicinity of anything which has been charged with high voltage static Q The pickup consists of a large number of optical and precision parts Do not store or repair it therefore in any location with a high temperature high humidity high magnetic fields or high dust concentration Since the pickup contains a powerful magnet it must not be brought near any magnetized objects Do not apply strong external pressure to the pickup or subject it to impact Actions like these can cause the printed circuit board to crack or malfunctioning to occur Do not use a pickup which has been subjected to strong external pressure or to an impact The performance of such a pickup may deteriorate gradually and cause malfunctioning The pickup is a single integrated part which has been very precisely adjusted Therefore its adjustment points and set screws must not be touched 2 How to prevent static during handling when replacing any of the parts disconnect the power plug from the un
24. 29 5 Used __ 11 AM Step Selection 9kHz VDD 10kHz VSS 1 TUNER 30 ST Not Used P4 STEREO Signal ACTIVE LOW LEVEL 1 TUNER Vso 31 50 Not Used 2 222 STATION DETECTION Signal LOW LEVEL 1 TUNER V 32 nu _ _______ Used Ground 111 GROUND 34 _ ________ 0_ Tuner Power Signal ACTIVE LOW LEVEL O TUNER 35 P531 ________ Mute Signal LOW LEVEL O TUNER 36 X e 3 JNetUed opr 1 OPEN 237 ne P53 ipNottsed Open o o oo o o O 38 NU ________ Used Ground Serial Clock Signal from CD Micro Processor 1 CD CON 40 NU Po2 so se0 Notused Groun 41 s 5 PO3 SUSB Serial Data Bus from CD Micro Processor o V 42 X NotUsed Grond O vs o 433 NU O Notusd Ground Vs 44 NU Pi12 NT2 X NotUsd Grond CC Vs j 4s NU X Pi3 T10 Notused Ground Vs 46 NC P20 PT100 7 Select Signal for AM Signal Type Wide HIGH Narrow LOW O OPEN OPEN N xa 7 a OEN 49 BUSY 7 23 8 2 Bus Busy Signal Out to CD Micro Processor O Initial Destination Set for User Country Open Ground Va
25. CK then read out the sub code of P Q R 5 z EN Comply with command of track jump it oscillate Pulse amp JP It jump the prescribed number of track 1 4 16 64 Output of Synchronizing signal 7 35KHz Comply with command of track jump it oscillate kick Pulse TES 7 PY jump Data sub code Q pass the CRC check then WRQ do it JP amp JP jump the prescribed number of track 1 4 16 64 detect at external Data read out from SQOUT by send the Monitor 4 3218MHz SYNC FS of truth detected from EFM signal SYNC of counter H Latch Output during 1 frame CQCK RWC set the by Micro Processor then it let command by send with Synchronizing CQCK command data Turn on the Power Supply time Once L Data of SQOUT want at the LBS first time M L set the L For TEST Normal time is non connection Chip select Terminal This 1 1 107866 is active Internal Resistor Pull Down Les i Connection Terminal of crystal oscillation 16 9344MHz 64 XOUT o Connection Terminal of crystal oscillation 16 9344MH2 Comply with command of track jump it oscillate kick Pulse JP amp it jump the prescribed number of track 1 4 16 64 or TEST Normal time is non connection Comply with command of track ju
26. ESET UP SWITCH TACT REPEAT SWITCH CD MEMO SWITCH TACT PLAY PAUSE SWITCH STOP SWITCH TACT F F SWITCH FACT REW pate ASSY CONNECTOR S 12P TO MAIN PLUG 68 SOCKET 4P TO MOTOR SOCKET 4P TO MOTOR PLUG 2P DIODE 155133 DIODE 1 DIODE 155133 DIODE 1 DIODE 155133 DIODE 1 8189 TRANS OSC DTC114ES TR DIC114ES TR 2SA733 P TR 2SA1015 GR TR 25 945 2SC1815 GR 25 945 2SC1815 GR 25 945 2SC1815 GR 2SC2120 Y 2502001 SWITCH SLIDE SEMI FIXED V R 2K OHM E TAPE SPEED 017 254 3871 6659 614 614 614 208 2287 408 006 3702 407 007 9904 407 012 4406 407 012 5809 410 167 3408 614 028 6861 614 248 0564 614 046 0094 614 046 0094 405 001 0200 614 220 5631 614 220 5631 614 220 5631 614 220 5631 614 220 5631 614 220 5631 614 220 5631 614 220 5631 614 20 5631 614 220 5631 614 220 5631 614 220 5631 DECK AMPLIFIER BOARD ASSY ASSY PCB DECK POLYESTER 0 018U M 50V POLYESTER 0 047U M 50V PLUG 3P P HEAD PLUG 4P R P HEAD ASSY CONNECTOR S 2P TO MAIN PARTS LIST aot wo SWITCH OPEN CLOSE SWITCH DOWN SWITCH POWER SWITCH TACT RANDOM
27. IDE BRACKET E DECK MECHA TOP SPRING PLATE REC RUBBER CUSHION CD MECHANISM FLOAT SCREW SPECIAL CD MECHA FIX SHIELD POWER TRANSFORMER LUG EARTH FIXER LEAD RETAINER CUSHION DECK MECHA LEAD FIX LABEL SAFETY PICKUP LASER FIXING PARTS 021 4906 SCR S TPG BIN 3X20 CABINET REAR SCR S TPG BIN 3X10 PHONO SP TERMINAL SCR S TPG BIN 3X10 AC SOCKET SCR S TPG BIN 3X10 BRACKET FOR CD MECHANISM FIXING SCR 5 PAN 2X3 REC SPRING PLATE SCR S TPG PAN 2X4 DECK MECHA BRACKET E SCR S TPG PAN 2 6X4 DECK EARTH SCR S TPG PAN 2X8 CD TRAY SCR S TPG BIN 2X8 CD ESCUTCHEON SCR S TPG BIN SCR S TPG BIN FRONT PCB SCR S TPG BIN 3X10 GRAPHIC EQUALIZER PCB SCR S TPG BIN 3X10 MECHA BUTTON BRACKET E SCR S TPG BIN 3X10 DECK MECHANISM SCR S TPG BRZ FLG 3X12 P T 021 3701 021 3701 021 3701 025 1901 028 2905 028 5500 411 022 021 8408 1202 411 021 021 3503 3503 3X10 CD PCB 3X10 021 3503 3503 8905 9100 ELECTRICAL PARTS Description FUSE 250V 0 25A F901 55 5 6 ASSY CONNECTOR S 4 R P HEAD ASSY CONNECTOR S 3P P HEAD ASSY CONNECTOR S 2P E HEAD POWER TRANSFORMER PT401 PLUG 4P WITH LEAD MOTOR PARTS LIST MAIN TUNER AMPLIFIER P C B
28. K is 40 70 Hz against DECK REMARKS Memorize the tape speed on counter Confirm that D speed of DECKB is in 40 70 Hz against 40 70 Deck A MTT 111N 3000Hz 3 Parts Location SHORT B1 03907 SPEED SES TAPE SPEED CIO TA R al SVR01 HI S 14 REPLACEMENT OF DECK MECHANISM 4 Torque Measurements TAKE UP TORQUE BACK TENSION PLAY TW 2111 PLAY TW 2111 Test cassette F FWD REW TW 2231 REW Torque Gage PLAY 30 60 gr cm 2 0 4 5 gr cm 5 Replacement of Head TAPE TENSION Driving power cassette TW 2412 REC PLAY HEAD PLAY HEAD at J wg vom clie y ru NE att etri Sos cet ses 2 s Te tis Uh OK a Ye 6 Replacement of Motor and Belt OPERATING THE RESET SWITCH This unit is provided with a reset switch on the rear panel The reset switch serves to initialize the microprocessor in the each sec tions which controls the CD TUNER TAPE DECK and etc block If the unit is to be serviced or key input is not acknowledged even when the CD TUNER TAPE DECK and et operation buttons are pressed press the RESET switch and initialize the microprocessor following the step below 1 Disconnect the AC power cord from the power outlet 2 Keep the RESET switch depressed for 60 seconds The backed up electrolytic capacitor is discharged by keeping the RESET s
29. K AMPLIFIER P C B 37 L CH R CH d u 8 H3 1 s d u 8 3dvi IC BLOCK DIAGRAM CD SECTION 1C101 LA9210M Servo Signal Processor name 170 __________ NAME 1 0 Nc Non Connection gt La gt input of Track Jump Pulse Amplifier 3 t Convert input from Photo Diode E 43 1 Input of Track Jump Pulse Amplifier 4 F Convert input from Photo diode F __ 24 THLD 1 Hold of Output Voltage of Tracking Servo s en converter ipu 45 Tracking Gain tow Converter Outpt 1 For Off the Tracking Sero 7 0 Tracking Error Amplifier Output 47 TES O Tracking Error Signat ________ 78 var2 Reference Voltage2 O Detect Track Signal vas 1 Reference Voltages o Detects Carve of Focus Error Signa 1 50 Input For the Focus Servo amc i Input of Anti Shock Detect Amplifier s Clv Input of CLV Error Amplifier 32 amc 1 Input of Anti Shock Detect Amplifier 52 1
30. OARD ASSY 71 ASSY PCB TUNER AMP TERMINAL GROUND PHONO HEAT SINK FOR 1 401 HEAT SINK FOR IC404 SCR S TPG BIN 3X8 FOR IC401 SCR S TPG BIN 3X8 FOR 10404 FILTER LC FM BPF NP ELECT 1U Q 50V ELECT 22000 35V ELECT 2200U M 35V ELECT 10000 M 16V POLYESTER 0 150 M 50V ELECT 1000U 16 POLYESTER 0 150 M 50V ELECT 1000U M 16V FILTER FM CERAMIC 10 7MHZ FILTER 10 7MHZ FILTER XTAL FM 10 7MHZ ASSY CONNECTOR S 8P FRONT TERMINAL FM AM ANT TERMINAL FM AM ANT SOCKET 9P TO G EQ PLUG 2P TO DECK PLUG 12 DECK PLUG 10P TO CD PLUG 4P TO CD PLUG 4P TO POWER SUPPLY PLUG 3P TO FRONT SOCKET 2P RCA TYPE VIDEO TERMINAL 4P SPEAKER OUT JACK PHONES DIODE GMAO1 DIODE 155176 DIODE 155133 DIODE GMAO1 DIODE 155133 DIODE 155176 VARACTOR DIODE 5 211 VARACTOR DIODE SVC211 B DIODE 6 01 DIODE 155176 DIODE 155133 DIODE 6 01 DIODE 155133 DIODE 155176 DIODE 6 01 DIODE 155133 DIODE 155176 DIODE GP 15 DIODE GP 15 DIODE GP 15 DIODE GP 15 DIODE 05 10 DIODE DSF10C DIODE 05 DIODE 05 10 DIODE 155133 DIODE 1 DIODE GMAO1 DIODE 155133 DIODE 6 01 DIODE 155133 CD MAIN C BOARD ASSY DIODE GMAO1 Pret wo Pano DIODE 155133 614 256 4745 ASSY PCB CD 614 203 7362 HEAT SINK FOR Q132 411 021 6405 S
31. R CLUTCH OUTER SCREW SPECIAL SLIDE FIX SCREW S TPG PAN PCS 1 7X6 GEAR FIX GEAR PICKUP SLED GEAR PICKUP SLED WASHER SPECIAL PICKUP GEAR FIX SLIDE BASE UP DOWN SLIDE TRAY GEAR PICKUP RACK UPPER SCREW SPECIAL GEAR FIX SPRING COMP RACK BACK GEAR PICKUP RACK LOWER GEAR BASE TRAY TIMING SCREW SPECIAL GEAR FIX SPRING TENS GEAR TENSION GEAR TIMING SCREW PAN SW 2X4 SLED MOTOR FIX SWITCH LIMIT SWITCH TRAY OPEN SPRING PLATE CHUCKING SCREW S TPG BRZ FLG 3X6 BASE CHASSIS FIX BRACKET M CHUCKING ASSY PULLEY SCREW S TPG PAN 2X6 BRACKET FIX FIX 224 3176 022 7807 224 3183 233 6304 226 5536 020 9902 225 4820 241 5764 242 8641 031 2104 129 9136 021 5705 230 0411 229 4529 228 5084 247 1950 020 9803 239 1303 231 6047 251 6522 246 2959 246 2966 4 2973 246 2980 014 2800 125 6528 c4 e Description BRACKET M TRAY GUIDE L SCREW S TPG PAN 2X6 BRACKET FIX BRACKET M TRAY GUIDE R LEVER BASE SPRING COMP BASE LEVER MOVE SCREW S TPG BRZ FLG 3X8 LEVER FIX ASSY MOTOR LOADING SLED CHASSIS LOADING CHASSIS LOADING SCREW SPECIAL BOSS REINFORCEMENT LUG WIRE DRESS SCREW S TPG BIN 3X6 LUG FIX SHAFT PICKUP RAIL SPRING WIRE PICKUP BACK SPRING TENS BASE PULL UP ASSY CHASSIS BASE WITH SPINDOLE MOTOR TURN TABLE SERVICE ONLY SCREW S TPG BRZ FLG 3X6 CHUCK BRACKET FIX PICKUP LASER PLASTIC SF P1PS PICKUP LASER ALUMINUM SF 90PS CO
32. RD 13P PICKUP ASSY CONNECTOR S 4P SPINDLE SLED MOTOR CONNECTOR S 4P SPINDLE SLED MOTOR ASSY CONNECTOR S 3P LIMIT TRAY OPEN SWITCH ASSY CONNECTOR S 3P LIMIT TRAY OPEN SWITCH WASHER SPECIAL GEAR FIX CUSHION MOTOR LEAD FIX EXPLODED VIEW TAPE DECK MECHANISM PARTS LIST TAPE DECK MECHANISM TAPE DECK MECHANISM 5 SP Description ASSY SUB CHASSIS BASE METAL SLIOE SWITCH ACTUATOR SLIDE PUSH BUTTON ACTUATOR LEVER REC BUTTON LEVER PLAY BUTTON LEVER BUTTON LEVER FF BUTTON LEVER STOP BUTTON LEVER PAUSE BUTTON SPRING WIRE PAUSE CONTROL LEVER PAUSE SPRING COIL PAUSE LEVER BOSS PAUSE STOPPER SPRING WIRE BUTTON LEVER ASSY CHASSIS TAPE MECHANISM SWITCH LEAF STOP SPRING WIRE EJECT ACTUATOR LEVER PLAY KICK B SPRING WIRE PLAY STOP LEVER LEVER PLAY KICK LEVER EJECT KICK SCREW SPECIAL PK COLLAR BOSS REC PLAY STOPPER BOSS COLLAR B SPRING WIRE REC BUTTON SPRING COIL PLAY KICK LEVER DECK B LUG HEAD EARTH SPRING WIRE BUTTON LEVER SWITCH LEAF PLAY SLIDE HEAD PANEL DECK A SLIDE HEAD PANEL DECK BRACKET TAPE GUIDE HEAD a5 BASE DECK sspe BRACKET HEAD PANEL SPRING WIRE PANEL P SPRING WIRE MAIN CONTROL SPRING COIL PLAY BUTTON LEVER S z SPRING COIL ERASE HEAD DECK B SPRING COIL AZIMUTH ASSY LEVER MM M PINCH ROLLER ARM 2240 WE LEVER SENSING 777 7 E ASSY PULLEY REVERSE FORWARD BELT SQUA
33. RE REVERSE FORWARD ASSY FLYWHEEL DISK DECK A 2 22 50 ASSY FLYWHEEL DISK DECK B SPRING PLATE GEAR ASSY LEVER GEAR PLATE GEAR CAM vM GEAR FAST FORWARD SPRING COMP BACK TENSION ASSY REEL SUPPLY ASSY REEL TAKE UP LEVER SENSOR BRACKET MOTOR CUSHION RUBBER MOTOR 5 COLLAR BELT SQUARE MAIN CUSHION ANTI VIBRATION LEVER EJECT SLIDE SPRING HEAD MAGNETIC PLAY HEAD MAGNETIC REC PLAY HEAD MAGNETIC ERASE ASSY MOTOR TAPE DRIVE LEVER REC SAFETY DECK B SCREW SPECIAL 4 C TITE 2X4 SCREW SPECIAL P TITE BIND 2X5 SCREW SPECIAL CAMERA TAPPING TM76 Description SCREW SPECIAL CAMERA TAPPING SCREW SPECIAL 2X6 DECK A SCREW SPECIAL CUP 2X8 SCREW SPECIAL BIND 2X3 SCREW SPECIAL AZIMUTH 2X7 SCEWR S TPG PAN 2X6 WASHER SPECIAL GF NYLON 1 2X4 0X0 25 WASHER SPECIAL POLY 1 2X3 8X0 3 WASHER SPECIAL POLY 1 45X3 8X0 5 WASHER SPECIAL POLY 2X3 5X0 3 1M77 gt 96 67 78 gt TM33 M34 TM57 9 4 22 4 23 DIAGRAM CD 1 9106 25517405 to to IC104 i nO T LC7861NE MAIN 5 fan ie PN J LL X
34. bass reflex Unit used woofer 12cm cone type Tweeter piezo electric Maximum power handling capacity 10 W peak Nominal impedance 4ohms 180 W x 285 H x 191 D mm 1 4 kg per speaker Dimensions approx Weight approx Specification subject to change without notice Ach speaker L ch speaker an AC outlet LASER BEAM SAFETY PRECAUTIONS CD Do not look straight at the laser beam from the pickup and not point the beam at your fingers or any other part of your body Note The laser beam must never Be allowed to enter the eyes since this may damage the eyes Power must never be supplied to a pickup with a damaged laser output part objective lens etc INVISIBLE LASER RADIATION EXPOSURE TO BEAM 0 6 mW MAX WAVELENGTH OUTPUT POWER ICAUTION INVISIBLE LASER Structural Safety Interlock This model has a disc chuck lever and top lid This disc chuck lever and top lid prevent to expose the laser beam for users IS DANGEROUS CLASS LASER PRODUCT 790 nm CAUTION USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED IN THE OPERATING INSTRUCTIONS MAY RESULT IN HAZARDOUS RADIATION EXPOSURE THE COMPACT DISC PLAYER SHOULD ADJUSTED OR REPAIRED BY ANYONE EXCEPT PROPERLY QUALIFIED PERSONNEL BEFORE REPAIRING THE COMPACT DISC PLAYER SECTION Many semiconductors ICs and transistors and a
35. ff is automatically entered after the tray is completely closed 7 SERVICE MODE this mode the tracking balance adjustment state can be entered by pressing the MEMORY key during playing Pressing the PLAY key in this state turns on the tracking servo and causes playing to begin Turning off the power releases the CD tracking balance adjusting mode 4 CD operation display mode Enter this mode by pressing the STOP key during the service mode entry state If the power is off when this mode is entered the power automatically comes on this mode when CD function are used displays like those shown in Table 2 which represent CD operations different than normally displayed appear in the LCD track number display this mode displays like those shown in Table 3 which represent CD operations different than normally displayed appear in the LCD digit 5 display If the display is 0 when search action of CD occurred not the errors other is no display This mode is released when the power is turned off or press the FM MODE key Dn Focus search has been begun TOC reading is in progress Focus search has been begun B TOC reading has been completed success failure Waiting for focusing L point access has been begun Focusing L point access REV64 track jump Spindle kick is in progress L point access FWD64 track jump D Focus search has been completed success favre
36. il CM49 Note If the timing gear CM23 is in the state shown by X the figure on the right put it in the state shown 224 TRAY MOVE GEAR CM3 TRAY GEAR CM6 TRAY DRIVE GEAR 12 x TIMING GEAR CM23 MECHANISM REMOVAL CD 2 Replacing and lubricating the pickup 1 Pull out the two pickup rails from the chassis 50 2 The pickup CM52 can now be removed once the two pick up rails CM43 have been taken out 3 When the pickup has been replaced be sure to wipe the two pickup rails CM43 cleanly and apply grease FLOIL G 4748 around the entire circumference of the rails and along their entire length 4 Pass the two pickup rails CM43 through the new pickup CMS2 insert them into the chassis 50 and fix them in place at an angle of 45 as shown in the figure Notes a When applying the grease do not allow any grease to adhere to any other parts b part indicated by the dots in the figure of the chassis CM50 is damaged in the process of re moving or inserting the two pickup rails 43 from or into the chassis 50 wipe the damaged area with a cloth dipped in alcohol normal hex ane and bond it together using a bonding agent Cemedine 573 ra be 2 3 Replacing the loading sled motor 1 The loading sled motor CM38 can be removed from the chassis CM39 once the screw CM24 securing the motor
37. iming gear CM23 counterclockwise 2 When inserting the tray slide 15 set the position where it is installed vis a vis the base tray timing gear CM20 as shown in the figure TIMING GEAR BASE UP DOWN CM23 SLIDE CM14 SCREW CM21 2 4 Hook the gear tension spring CM22 onto the timing gear 23 SN UE El GEAR TENSION SPRING 2 Installing the tray gear 1 Move the tray slide CM15 in the direction of the arrow 2 Engage the gear section of the tray slide CM15 with the inner gear of the tray gear CM6 at the center line as shown in the figure TIMING GEAR CM23 3 Align the tray move gear CM3 with the position of the GEAR TENSION SPRING CM22 hole in the outer gear of the tray gear CM6 and engage the tray move gear CM3 as shown in the figure TRAY SLIDE TRAY GEAR Z CM6 TRAY MOVE GEAR CM3 MECHANISM REMOVAL CD 4 Lubricating the base lever rea in the figure BASE CHASSIS PULL UP SPRING 49 BASE LEVER 3 6 Arranging and securing the leads s 1 2 3 Lubricating the pickup sled gear and clutch gear Apply grease FLOIL G 474B around the entire circumference of the lower gear of the pickup sled gear CM12 as shown in the figure rea Apply grease G 333 around the entire circumference of the outer clutch gear 9 Apply grease FLOIL G 474B to the part of the
38. input signal connections Enter this mode by pressing the MEMORY TUNER key during the service mode entry state The entire LCD goes out once this mode is entered In this mode as keys on the unit are pressed segments on the LCD corresponding to each key on a one to one basis come on i e the lit portions gradually increase Refer to Table 1 Press the FM MODE TUNER key to exit this mode and return to the normal mode DISPLAY EY DISPLAY DIGIT 1 REPEAT REPEAT LJ 3 Releases the key checking mode and returns the set to the normal mode DIGIT 5 TABLE 1 CORRESPONDING KEYS AND DISPLAYS IN THE KEY CHECKING MODE SIDE NTRO M12 PICI IL 80 SIDEA RANDOM efri Miz SIDEB TRACK REPEAT STEREO AUTO MONO FADE TIME EDIT FIGURE 1 LCD LIQUID CRYSTAL DISPLAY 2 Checking LCD connections Enter this mode by pressing the REPEAT key during the service mode entry state See note entire LCD goes out once this mode is entered this mode all segment of the LCD lights each time the REPEAT key is pressed Press the FM MODE key to exit this mode and return to the normal mode 3 CD tracking balance adjusting mode Enter this mode by pressing the PLAY PAUSE key during the service mode entry state If the power is off when this mode is entered the power automatically comes on n this mode the tracking balance adjustment state tracking is o
39. it being repaired ail measuring instruments tools and repair equipment must grounded Cover the work bench where the repair work will be done with a grounded electrically conductive sheet Ground the metal part of the soldering iron in order to safeguard against leakage of electricity from the heater Repair personnel must wear grounding bands around their wrists to discharge static picked up by their bodies These bands are grounded through a resistor with a 1M ohms resistance 2 Note Under no circumstances must be the grounding bands be grounded without a resistor witha 1 ohms resistance since do ing so involves the risk of electric shocks Since static in the clothes of the repair personnel will not be dis charged by wearing grounding bands every care must be taken not to allow the clothes to touch the pickup and semiconductors particularly the ICs RN The pickup which is single integrated part is kept in a conduc tive bag Use this bag to convey the pickup from one place to an other In order to avoid damage resulting from static which may occur when the pickup is removed from the bag make sure that it is not placed on top of the bag 3 Precautions with laser beam Do not look straight at the laser beam from the pickup and do not point the beam at your fingers or any other part of your body Note The laser beam must never be allowed to enter the eyes since this may damage
40. ke hold of the disc tray 31 and pull it out by force 3 Push the catch on the disc tray 31 in the direction shown by the arrow and draw out the disc tray 31 4 To install the disc tray turn the gear CM12 in the direc tion of the arrow as far as it will 5 Align the disc tray 31 with the mechanism chassis CM39 Adjusting second tooth of the tray move gear CM3 6 Push the disc tray 31 toward the rear and interlock it with the tray drive gear CM12 as shown in Fig 7 Secure it with the screw Y1 which was removed in step 1 SECOND TOOTH OF TRAY MOVE GEAR 3 Disassembling the mechanism 1 Removing the pickup block xb 21 Remove the disc tray 31 Refer to steps 1 2 and 3 _the section entitled Removing and installing the disc _ T tray bnc ee RAY er SUME m a prai 2 Turn the tray drive gear CM12 counterclockwise and move the pickup in the direction of arrow as far as it will go 3 Remove the spring wire CM44 with tweezers 4 Remove the screw CM11 and also remove the tray drive gear CM12 and washer CM13 5 Now remove the pick rack gears CM16 and 19 Note It will not be possible to remove the pick rack gears CM16 and CM19 unless the pickup has been moved all the way in the direction of arrow 6 The pickup block can now be removed by taking out the screw CM51 and spring co
41. ltage that are desig nated in the parts list in this manual Leakage current or resistance measurements must be made to determine that exposed parts are acceptably insulated from the supply circuit before returning the product to the customer CAUTION Regular type resistors and capacitors are not listed To know those values refer to the schematic diagram N S P Not available as service parts PACKING INNER CARTON PAD TOP L R PAD BOTTOM L R SHEET SET SHEET SP BOX INNER POLYE COVER INST M POLY COVER REMOCON LABEL SAFETY CLASS 1 LASER ACCESSORIES 614 251 8335 INSTRUCTION MANUAL 614 250 6578 POWER CORD AC 614 234 5511 LOOP 614 232 6671 CABINET ASSY CABINET FRONT ASSY CABINET REAR ASSY LID CASSETTE DECK A ASSY LID CASSETTE DECK B ESCUTCHEON CD TRAY FRONT KNOB ROTARY BALANCE KNOB SLIDE FUNCTION BUTTON DUBB BASS BUTTON DECK B REC BUTTON DECK B PLAY BUTTON DECK B REW BUTTON DECK B FWD BUTTON DECK B STOP EJECT BUTTON DECK B PAUSE BUTTON DECK A PLAY BUTTON DECK A REW BUTTON DECK A FWD BUTTON DECK A STOP EJECT BUTTON DECK A PAUSE SCREW SPECIAL PHONO GND gt WMH Description TABLE LOADING CD TRAY MOUNT M CD FIX WINDOW LED COVER SPRING WIRE CASSETTE OPEN ASSY GEAR LID CASSETTE MOUNT M GEAR SUPPORT BRACKET M MECHA BUTTON BRACKET E DECK MECHA S
42. mp it oscillate kick Pulse JP amp It jump the prescribed number of track 1 4 16 64 For adjustment of production process Sound on function For TEST Normal time is non connection SYWMCRNOUS DETECT EFM DEMODULATION vP 146 48 SBCK 44 47 SBSY SFSY COIN DFOFF DFIN 2 x z gt x 28 Bale a ss 58 5 2 8 24 52238 e ag 2 x ae Ze 89 Eos S RI 7 IC BLOCK DIAGRAM CD amp TUNER SECTION 105 TDA1311A T Stereo Continuous Calibration Digital to analog D A Converter FUNCTION Bit Clock input Word Select Input LEFT IMAN GISTER RIGHT INPUT REGISTER LEFT QUTPUT REGISTER E LEFT BIT SITO DATA Data input Cac SOURCE 3215 811 32 5 IT 9 CURREN SOURCE SOURCE TE SABE Left Channel Output Not Connected Right Channel Output BB Supply Voltage o IC201 TA7358 RX Front End IC203 LM7001 PLL Frequency Synthesizer 202 LA1830 AUD IF amp PLL MPX Demodulator System For AM amp FM STEREO MONO 5 8 a zz gt 8 24 amp t6 119 9 9 seen s
43. outer clutch gear CM9 where it makes contact with the inner clutch gear CMB PICKUP SLED GEAR G 474B CLUTCH INNER GEAR g CMB con Ol 6 4748 ore os CLUTCH 9 20712 OUTER GEAR 1 As shown in the figure set the pickup 52 at a position on the innermost circumference of the compact disc and pass the leads from the pickup CM52 and spindle motor CM48 through pin a of the chassis CM39 Arrange the leads from the load ing sted motor CM38 and sensor switch micro switch CM26 by passing them through point b in the chassis CM39 After securing the leads with the lug CM41 check that the pickup CM52 moves smoothly without the leads interfering with its movement 2 If no problems arise in the D check secure the points shown in the figure using bonding agent Cemedine 575 FLOIL G 474B BE NOT SLACK NOTE THE LUG PORTION 6 TO CN101 CD PCB CUSHION SERVICE MODE Specifications To enter any service mode first simultaneously press the CD MEMORY and BAND TUNER keys on the unit This accesses the ser vice mode entry state Now press one ofthe buttons on the unit to enter a service mode As the service mode entry state is dis continued after 1 second elapses the system will enter a service mode only if the next key is pressed within one second 1 Checking the key
44. the eyes Power must never be supplied to a pickup with a damaged laser Output part objective lens etc 4 Cleaning the lens surface Blow off dust on the lens using the kind of air brush which is used for cameras lt Remove stubborn dirt with a cotton swab dipped isopropyl alco hol Do not use any other type of cleaning fluid since it may mark the plastic lens Notes XP Do not use too much isopropyl alcohol the excess may seep side the pickup The lens is held in place by a very feeble support spring There fore when cleaning the lens avoid applying any more force by the cotton swab than is necessary since this may bend the sup port spring out of shape E CD MECHANISM REMOVAL 1 Preparations 1 Do not apply unnecessary force to the pickup when handling it Care should be taken not even to touch the lens or drive circuit sections a 2 Do not apply unnecessary force do not pull or push it forcefully to remove the disc tray from its inside position Unnecessary force may break the teeth on the tray gear CM6 3 In the descriptions which follow the numbers in the parentheses after the parts are reference numbers in the exploded views Refer to these views 2 Removing and installing the disc tray DISC TRAY REPLACEMENT 1 Remove the stop screw Y1 of the disc tray 31 2 Pull the disc tray 31 all the way forward by turning the tray drive gear CM12 clockwise Note Do not ta
45. ving Remocon Signal uter Direction Signal for SLED Motor ot Used Ground ternal Direction Signal for SLED Motor SP Digital Signal Processor Interface Command Latch SP Digital Signal Processor Interface Sub Data SP Digital Signal Processor interface Command Data SP Digital Signal Processor Interface Clock ot Used VDD witch Detection Signal for Open End of CD Tra Switch Detection Signal for Limit of Pickup Not Used Ground Not Used Ground witch Detection Signal for REC of TAPE Deck Mechanism ACTIVE High un Direction of TAPE Edge Detection ot Used VDD elect Signal for DAC Digital to Analogue Converter elect Signal for High speed Access elect Signal of VIDEO or PHONO ot Used VDD ot Connection VDD 5 2 x z ot Used Open RIVE Muting Signal for CD 4 eset Control Signal for DSP Digital Signal Processor AC Digital to Analogue Converter Interface Data AC Digital to Analogue Converter Interface Clock AC Digital to Analogue Converter Interface Latch 39 BLOCK DIAGRAM CD SECTION 1 104 LC7861NE Digital Signal Processor DESCRIPTION 1 TESTI For TEST Normal time is non connection Input from VCO output LA9210 8 6436 2 Phase comparison output of VCO and EFM signal Uo DESCRIPTION Output of signal to DAC Signal of Latch amp L R select Signal
46. witch depress 3 Reconnect the AC power cord to the power outlet 4 Press the CD TUNER TAPE DECK and etc operations and check their operation wenssnnssesaneusenennnnem REMOTE CONTROLLER UNIT zm nnn PARTS LIST REMOCON RB D5 Pareno 614 252 1373 ASSY REMOCON PARTS LIST amp EXPLODED VIEW SPEAKER SX D5 ASSY CABINET FRONT WITH PIEZO BUZZER FOR TWEETER SPEAKER CABINET REAR SPEAKER D12 5W 40 WIRE LEAD SPEAKER FIXING PARTS SPEAKER Description 411 021 4906 SCR S TPG BIN 3X20 CABINET 614 248 0052 419 002 0206 411 020 8905 SCR S TPG BIN FLG 3X20 WOOFER SPEAKER 614 248 0045 614 251 5860 614 022 8755 VOLTAGES OF SECTION Unit Volt 101 149210 wem 1 2 o T T 6 e 16 Stop Mode 2 48 2 54 2 51 2 51 2 48 2 50 2 60_ 2 57 2 57 2 50 2 50 2 49 2 07 Play Mode Fluc Fluc Fluc Fluc Fluc 2 50 7 w Fluc Fluc Fluc Stop Mode 2 42 2 50 2 51 2 51 2 2 57 _ 2 62 Mode Fc Fuc ii Flue gt Stop Mode 2 50 2 50 2 49 5 01 4 1 97 _ 0 5 00 4 13 Mode 7777 Fc ru 2 2 ES Huc Huc Fie
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