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1. Ref No Part No Part Name amp Description Pcs Remarks C7 C8 ECUVNA224KBV 10V 0 22U 2 C11 ECUVNE223KBV 25 0 0220 1 C12 ECUV0J474KBV 6 3V 0 47U 1 C13 ECUV1C393KBV 16V 0 039U 1 C14 ECUV1H102KBV 50V 1000P 1 C15 ECSTOGY106RR 4 100 1 16 ECUV1H181KV 50 180P 1 17 ECUV1H332KBV 50V 3300P 1 C18 ECUV1H562KBV 50V 5600P 1 C19 ECUVNC104ZFV 16V 0 10 1 C20 ECSTOGY106RR 4 100 1 21 ECUV1H822KBV 50V 8200P 1 C22 ECUV1H102KBV 50V 1000P 1 C23 ECUVNC104ZFV 16V 0 10 1 C24 ECUV1H102KBV 50V 1000P 1 C25 ECUV1C393KBV 16V 0 0390 1 C26 ECUV1H472KBV 16V 4700P 1 C28 ECSTOGY226RR 4 220 1 29 ECUV1H332KBV 50V 3300 1 C30 ECUV1E123KBV 25V 0 0120 1 C31 32 ECUV1H102KBV 50V 1000P 2 C33 ECSTOGY106RR 4 100 1 C34 35 ECUV1H102KBV 50V 1000P 2 C37 ECUV1H181KV 50 180P 1 C40 ECUVNC104ZFV 16V 0 10 1 C41 ECEVOJA331P 6 3 3300 1 42 ECSTOGY106RR 4 100 1 45 ECSTOGY106RR 4 100 1 46 ECUVNC104ZFV 16 0 10 1 47 ECUVNA105ZFV 10V 10 1 C48 ECUVNC104ZFV 16V 0 10 1 C50 ECUVNC104ZFV 16V 0 10 1 C51 52 ECUVNA105ZFV 10V 1U 2 C53 ECUV1H332KBV 50V 3300P 1 C55 58 ECUV1H102KBV 50V 1000P 4 C59 ECUV1C823KBV 16V 0 082U 1 C60 ECEV1CA100NR 16V 10U 1 C61 ECUV0J334KBV 16V 0 330 1 C62 ECUV1H221KBV 50V 220P 1 C64 ECUVNE153KBV 25V 0 0150 1 C65 ECUVNC104KBV 16V 0 10 1 C66 ECUV1C823KBV 16V 0 082U 1 C67 ECUV1H392KBV 50V 3900P 1 C70
2. PinTerminal I O Function No Name 81 TSO Reserved Not used connected to GND 82EXSYSCK External system clock input Not used connected to GND 83 DVpp2 Power supply terminal 84 XI Crystal oscillator f216 9344 85 MHz 86 VDss2 GND terminal 87 RFDAT REF serial data output 88 RFCK REF serial clock output 89 NRFLD RF serial load output 90 TRCRS Track cross signal input 91 OFTR Off track signal input 92 APCD O Laser power PWM output 93EXEFMCK External FM clock input Connected to GND via resistor 94 PEFM1 EFM loop filter output 95EEMIREF EFM PLL reference current input 96EEMPLLF O EFM signal output 97 PEFMS EFM signal input 98 AVDDO Power supply terminal 99 AVssO GND terminal 100TEFSEL Not used open 17 4 10 MN101D03DAA1 System Control 20 Pin Terminal VO Function No Name 1 DAC O DAC reset signal output L RST reset 2 DEO DE emphasis signal output L DE emphasis 3 MUTE Muting signal output Not used open 4 ADRST AD reset signal output L reset 5 NRF O RF amp standby control signal STBY output 6 PC O Power supply control output 7 MSP O Reset signal output RST 8 LOAD1 Loading motor drive 1 output 9 LOADO Loading motor drive 0 output 10 NEFMON Magnetic hea
3. and CP304 pin 11 GND Refer to Fig 9 3 The LED of REC and PLAY will light up The PLAY LED is orange color Fig 9 1 O O O MARKING TRACK ONE Fig 9 2 17 MD SERVO P C B SIDE A o iA N IC10 pin 67 TP77 GND Checker land 74 Short circuited Fig 9 3 CP304 CP304 pin 14 Lch OUT Signal check CP304 pin 17 _ A GND gt 04 11 5 DC 10V 7 CP304 pin 5 E CP304 pin 12 MAIN P C B SOLDER SIDE Rch OUT Signal check 9 2 Preparation for Play Rec Signal Check Connect the oscilloscope or the speaker with built in amplifier to the section between CP304 pin 12 R ch OUT and CP304 pin 17 A GND as well as the section between CP304 pin 14 L ch OUT and CP304 pin 17 A GND and check if the signals are outputting from this unit Refer to Fig 9 3 9 3 Checking Play Rec Signal to This Unit alone 9 3 1 Necessary Instruments Recorded MD Recordable MD Optical fiber cable Portable CD player and CD You can check this operation with any other player that has an optical digital output terminal but the portable CD player The following procedure explains check operation with the portable CD player but the procedure is the same for other players 9 3 2 Playback Signal Check 1 Set the unit so that Power Supply to This Unit alone as previously explained 18 2 Prepare for Play Rec Signal Check 3 Set the rec
4. 0 10 4 C143 ECSTOGY106RR 4 100 1 C144 ECUVNH103KBV 50V 0 01U 1 C147 49 ECUVNH103KBV 50V 0 01U 3 C154 55 ECUV1H330GCV 50V 2 C311 12 RCE1CKA470BG 16V 47U 2 C314 15 ECUV1H222KBN 50V 2200P 2 C317 ECUVNE104ZFN 25V 0 10 1 C318 ECEA0JKS101 6 3 1000 1 C319 ECUVNE104ZFN 25V 0 10 1 C320 ECEA0JKS101 6 3 1000 1 321 ECUVNE104ZFN 25 0 10 1 C322 ECEA0JKS101 6 3 1000 1 323 24 ECUVNE104ZFN 25 0 10 2 C325 ECA1CM222 16V 2200U 1 C327 29 ECUVNE104ZFN 25V 0 1U 3 C331 ECUVNE104ZFN 25V 0 1U 1 C351 52 ECEA1CKS220 16 220 2 353 ECUVNE104ZFN 25V 0 10 1 C355 ECEA1AKS221 6 3 2200 1 C356 ECUV1H101JCN 50 100P 1 C357 58 ECUVNE104ZFN 25V 0 10 2 C361 64 ECUVNE104ZFN 25V 0 10 4 C365 ECUVNC105ZFN 16V 1U 1 C366 ECEA0JKS101 6 3 1000 1 401 02 ECUV1H103KBN 50V 0 010 2 40 Ref No Part No Part Name amp Description Pcs Remarks CN1 RJS2A4526T CONNECTOR 26P 1 CN4 RJS2A4830T CONNECTOR 30P 1 CN6 RJU113W10M CONNECTOR 10P 1 CN8 RJS2A4506T CONNECTOR 6P 1 CP6 RJT113W10M CONNECTOR 10P 1 CP302 RJS10T6ZA CONNECTOR 10P 1 CP303 RJS2A3330 CONNECTOR 30P 1 CP304 RJT065A19 SYSTEM CONNECTOR 19P 1 D5 D6 SC80209TE12R DIODE 2 D9 MA728TX DIODE 1 D301 MA4033M DIODE 1 D302 03 MA719TA DIODE 2 D401 SML79420C LED 1 D402 LNJ201LPQJA LED 1 IC1
5. 2 claws and then remove the REF base Step 13 Hemove the thrust spring optical pickup ass y Step 14 Remove the drive shaft Step 16 Pull out the main shaft NOTE 1 Use care to prevent damage the optical pickup due to the Lens precision construction 2 Do not apply the grease on the lens of optical pickup 3 Do not touch the lens of the optical pickup 23555 Step 17 Step 18 E Remove the nut plate spring and nut plate Sow Nut plate spring lt lt Nut plate Optical pickup RAF1700A 10 Notice for installing the optical pickup Apply the grease P N RFKXPG641 Optical pickup ass y Step 3 Insert the main shaft into the guide portion B Main shaft Guide portion B Guide 4 portion A MD mechanism Step 1 N Pass the FPC through the Sub shaft Uf slot of MD mechanism unit Step 2 Align the guide portion A NOTE of optical pickup with the Take care not to bend the FPC sub shaft Step 5 Apply the grease lign the drive shaft P N meee with the guide portion S p Drive shaft Step 4 Locate the optical pickup to the inner side NOTE Make sure that the drive shaft alignes with the nut plate Nut plate 7 4 Replacement for the belt and loading motor ass y Follow the Step 1 Step 3 of item 7 1 Step 1 Oxo Step 2 Step 3 Pull o
6. Description Pcs Remarks 1 RHD30007 S SCREW 4 2 RKM0364 2S1 CABINET 1 3 RYQ0274 S SIDE PANEL UNIT L 1 3 1 XTBS26 8J SCREW 1 4 RKA0114 K FOOT 4 4 1 RKA0083 K CUSHION 4 5 RGG0148B S FRONT PANEL 1 6 RYQ0275 S SIDE PANEL UNIT R 1 6 1 XTBS26 8J SCREW 1 7 REP2683F S LED PCB 1 8 XTBS3 10JFZ1 SCREW 1 9 RGK0977 2S MD LID 1 10 RGL0386 Q LENS1 1 11 RGL0387 Q LENS2 1 12 RGP0642 1S SUB PANEL 1 13 RGU1599A 1S 1 14 RHD20010 SCREW 1 15 RMB0514 SPRING 1 16 XTBS26 8J SCREW 4 17 XTBS3 8JFZ1 SCREW 12 18 XTB3 5JFZ SCREW 4 19 REZ1048 FFC 30P 1 100 REDO0047 1 MAGNETIC HEAD 1 101 RHD17021 SCREW 1 102 RHD17022 SCREW 1 103 RMC0348 SPRING 1 104 RMCO0349 NUT PLATE SPRING 1 105 RML0515 HEAD SIFTER 1 106 RMQO0750 REF BASE 1 107 RMQ0751 NUT PLATE 1 108 RMS0611 MAIN SHAFT 1 109 RXJ0021 DRIVE SHAFT 1 110 RXK0249 MECHANISM CHASSIS 1 110 1 RDV0055 BELT 1 110 2 REM0077 TRAVERSE MOTOR 1 110 3 REM0078 LOADING MOTOR 1 110 4 RMB0548 SPRING 1 110 5 RMQ0752 DETECTOR PIN 1 1 110 6 RMQ0753 DETECTOR PIN 2 2 110 7 XQN17 C25FZ SCREW 4 110 8 XYC2 FF105 SCREW 1 111 RAF1700A OPTICAL PICK UP 1 ty 112 XTW2 6S SCREW 1 113 RHD20053 SCREW 4 114 RMB0504 SPRING 4 115 RMG0447 K DUMPER 4 116 XTN17 6GFZ SCREW 1 117 RXQ0558 HOLDER 1 1 ECUV1H221KBV 50V 2200 1 C4 ECUVNA105ZFV 10V 1U 1 C5 ECUVNA224KBV 10V 0 220 1 C6 ECUVNA105ZFV 10V 1U 1 38
7. ECUV1E123KBV 25V 0 0120 1 C71 76 ECUVNC104ZFV 16V 0 10 6 C79 80 ECUVNC104ZFV 16V 0 10 2 C81 ECUV1H560JCV 50V 56 1 C82 ECUVNC473KBV 16 0 0470 1 C83 84 ECUVNC104ZFV 16V 0 10 2 C85 ECSTOGY106RR 4 10U 1 C86 ECUVNE153KBV 25V 0 0150 1 C87 ECUVNC104ZFV 16V 0 10 1 C88 89 ECUV1H331KBV 50V 330P 2 C90 91 ECUV1H080DCV 50V 8P 2 39 Ref No Part No Part Name amp Description Pcs Remarks C92 93 ECUVNC104ZFV 16V 0 10 2 C94 ECSTOGY475RR 4V 4 7U 1 C95 ECUVNC104ZFV 16V 0 10 1 C96 97 ECSTOGY475RR 4V 4 7U 2 C98 ECUVNC104ZFV 16V 0 10 1 C99 ECUV1H102KBV 50V 1000P 1 C100 ECUVNC104ZFV 16V 0 10 1 C101 ECSTOGY106RR 4 100 1 102 ECUVNC104ZFV 16 0 10 1 103 ECSTOGY106RR 4 100 1 106 ECUV1H102KBV 50V 1000P 1 C110 ECUVNC104ZFV 16V 0 10 1 C111 ECSTOGY106RR 4 100 1 112 ECEV1CA100NR 16V 100 1 C113 ECUVNC104ZFV 16V 0 10 1 C114 15 ECUV1H561KBV 50V 560P 2 C117 ECEVOJA331P 6 3 3300 1 118 ECUVNA105KBN 10V 10 1 C119 ECUV1H102KBV 50V 1000P 1 C120 ECUV1H560JCV 50V 56 1 C121 ECUV1H102KBV 50V 1000P 1 C122 ECUVNA105ZFV 10V 10 1 C123 ECUVNC104ZFV 16V 0 10 1 C128 ECUVNC104ZFV 16V 0 10 1 C129 ECUV1H101JCV 50V 100P 1 C133 ECUVNA105ZFV 10V 10 1 C134 ECUV1H331KBV 50V 330P 1 C138 ECEV0JA470SR 6 3V 470 1 C139 42 ECUVNC104ZFV 16V
8. IC1 Pin No of IC1 Q Equivalent for pin 16 of IC3 27PIN 28PIN 28PIN 31PIN TP122 47PIN TP41 The waveforms are noted on the schematic diagram 7 3 Replacement for the magnetic head and optical pickup Follow the Step 1 Step 3 of item 7 1 Step 2 Ste p 3 AM Remove the MD mechanism unit in the direction of arrow Step 4 Remove the 2 FPCs from the connector Connector Connector CN8 FPC Optical pickup NOTE o RN Insert a short pin into the Optical pickup traverse unit FPC borad lt Refer to Handling Precautions for MD unit Short pin Step 6 Release the 2 claws and Holder ass y then lift up the holder ass y Step 5 Remove the pressure spring from latch Claw When installing the holder ass y the pressure spring should be latched correctly Step 7 Set the holder ass y and MD mechanism unit at 60 degree angle and then pull out the holder ass y Main rack slot MD mechanism unit NOTE When installing the holder ass y align the lock lever pin with the main rack slot NOTE 1 Take care not to damage the magnetic head 2 Step 8 2 Do not tighten the set magnetic head screw 9 in excessive N torque The parts may be damaged Boss Step 10 pread the lugs of head shifter and then release the lugs from boss Step 11 Q I REF base Step 12 Helease the
9. MDA I F address select signal input 52 SSCK MSP MDA I F clock signal input 27 PinTerminal VO Function No Name 53 SSDW MSP MDA I F write data input 54 SSDR MSP MDA I F read data output 55 MDISY Leader synchronous signal output 56 SCTSY ADIP synchronous noise output 57 SGSYNC Frame synchronous signal output 58 DVpp1 Power supply terminal 59 IVpp1 I Power supply terminal for I O pad 60 DVss1 GND terminal 61 FS384 384Fs output 62 SCL O Bit clock signal output 63 SWS O Word clock signal output 64 SDAP Audio data signal output 65 SDAR I Audio data signal input 66 LRCK I CD word clock signal input 67 BCK I CD bit clock signal input 68 DATA CD data signal input 69 TX Digital audio interface signal output Not used open 70 RX1 I Digital audio interface signal 1 input 71 2 Digital audio interface signal 2 input 72 NREFM EFM modulation inverted output Not used open 73 REFM O EFM modulation signal output 74 MONI3 Monitor signal output Not used open 5 MONI2 Monitor signal output Not used open 76 MONI1 Monitor signal output Not used open 77 MONIO Monitor signal output Not used open 78 TS3 Reserved Not used connected to GND 79 TS2 Reserved Not used connected to GND 80 51 Reserved Not used connected to GND 28
10. Power supply terminal 70 Vcc5V Power supply terminal 71 SEL AD DA converter select signal ADDA input Not used open 72 SLOCK Spindle lock output Not used open 73 TLOCK Tracking lock output Not used open 74 FLOCK Focus lock test signal output Not used open 75 ERROR Servo error test signal output Not used open 76 BUSY Servo busy test signal output Not used open 32 Pin Terminal IO Function No Name 77 SBP Spindle management retry test RETRY signal output Not used open 78 SRV Servo retry test signal output RETRY Not used open 79 ARDSKIP Address skip test signal output Not used open 80 SPMWE SPM test signal output Not used open 17 5 1C72 M51V4400D7FS DRAM Pin Terminal VO Function No Name 1 DO1 I O DRAM data 1 input output 2 DO2 I O DRAM data 2 input output 3 WE DRAM write enable input 4 RAS DRAM row address strobe input 5 A9 DRAM address 9 input 9 AO DRAM address 0 input 10 Al DRAM address 1 3 input 12 13 Vcc Power supply terminal 14 4 DRAM address 4 8 input 8 18 22 DRAM output enable input Not used connected to GND 23 CAS DRAM column address strobe input 24 I O DRAM data 3 input output 25 DO4 I O DRAM data 4 input output 26 Vss GND terminal 18 Measurements and Adjustments Note Because th
11. Then an error code is displayed on the FL display of the Tuner ST HD515MD if any For details of the error code refer to Table 8 1 In case of no error gt K gt K gt K gt lt gt lt gt lt gt lt gt x is displayed on the FL display of the tuner 3 If more than one error exists the display will sequentially show 15 the respective error codes each time p p button is pressed Fig 8 1 SJ HD515 MAR KING TRACK AU O 8 ONE ALL button M button Table 8 1 Error code Symptom Possible cause F15 Interval till MD starts playing IS Traverse det switch S8 is defective Check and replace ifnecessary too long F28 MD cannot be loaded Confirm that the disc is not catching on anything The connection flexible circuit board or connector cable betweenthe and MD servo circuit board is disconnected or damaged check andre necessary MD unit may be malfunctioning replace it F29 MD cannot be ejected Confirm that the disc is not catching on anything connection flexible circuit board or connector cable betweenthe and MD servo circuit board is disconnected or damaged check andre necessary MD unit may be malfunctioning replace it 8 2 Canceling the Self Diagnostic Function The Self Diagnostic Function can be canceled by pressing the power button POWER on the Amplifier SE HD515
12. Track cross signal output TRCRS 22 CBDO BDO detection capacitor terminal 23 Off track detection signal output 24 GND GND terminal 25 OFT IN Off track detection signal input 26 Vcc Power supply terminal 27 NRFDET RF detect signal output Off I OFTR track signal output 28 NRFLD Serial command latch signal input 29 RF Serial command data signal DATA input 30 RFCK Serial command clock signal input 31NRFSTBY Standby control signal input 32 OUTRF EFM signal output 24 Pin Terminal I O Function No Name 33 CRF RFAGC capacitor connect AGC terminal 34 EQIN I EQ input 35 ARFO RF amp output 36 SVREF Reference signal input 37 VREF O Reference voltage output 38 I RF1signal input 39 RF2 RF2signal input 40 F1 I F1signal input 41 F2 F2signal input 42 CLPF1 APP correction CPF capacitor connect terminal 43 CLPF1 RF equalizer adjustment resistor connect terminal 44 A Main beam A signal input 45 B Main beam B signal input 46 Main beam C signal input 47 D Main beam D signal input 48 CENVC C signal detection input 17 2 1C2 AN8814SB E1 Focus Tracking Coil Spindle Traverse Motor Drive Pin Terminal I O Function No Name 1 REGB 3 3 V external transistor control Not used open 2 REGM 3 3 V regular output monitor Not used c
13. be sure the followings 1 Do not disassemble the pickup unit since radiation from exposed laser diode is dangerous 2 Do not look at the focus lens using optical instruments 3 Recommend not to look at pickup lens for a long time ACHTUNG Dieses produkt enth lt eine laserdiode Im eingeschalteten zustand wird unsichtbare laserstrahlung von der lasereinheit adgestrahit Wellenl nge 780 nm Maximale strahlungsleistung der lasereinheit 100 uW VDE Die strahlung an der lasereinheit ist ungef hrlich wenn folgende punkte beachtet werden 1 Die lasereinheit nicht zerlegen da die strahlung an der freigelegten laserdiode gef hrlich ist 2 Nicht mit optischen instrumenten in die fokussierlinse blicken 3 Nicht ber l ngere zeit in die fokussierlinse blicken Back of product INVISIBLE LASER RADIATION WHEN OPEN AVOID DIRECT EXPOSURE TO BEAM ADVARSEL USYNLIG LASERSTRALING VED ABNING NAR SIKKERHEDSAFBRYDERE DANGER Inside of product L AS E R p RO D U CT ERUDE AF FUNKTION UNDG UDSIETTELSE FOR STR LING ndersiden at apparatet VAROI AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA NAKYMAT NTA LASERSATEILYLLE ALA KATSO S TEESEEN Tuotteen sis ll OSYNLIG LASERSTR LNING N R DENNA DEL PPNAD OCH VARNING spARRENAR URKOPPLAD BETRAKTAEJSTR LEN Apparatens insida ADVARSEL USYNLIG LASERSTRALING NAR DEKSEL APNES OG SIKKERHEDSLAS BRYTES UNNG EKSPONERING FOR STR LEN VORSICHT UNSICHTBA
14. 1 R401 02 ERJ6GEYJ122V 1 10W 1 2K 2 R403 04 ERJ6GEYJ152V 1 10W 1 5K 2 R405 06 ERJ6GEYJ222V 1 10W 2 2K 2 R407 08 ERJ6GEYJ332V 1 10W 3 3K 2 R409 10 ERJ6GEYJ472V 1 10W 4 7K 2 R411 ERJ6GEYJ473V 1 10 47K 1 R412 ERJ6GEYJ822V 1 10W 8 2K 1 R413 ERJ6GEYJ153V 1 10W 15K 1 R414 ERJ6GEYJ473V 1 10 47K 1 R415 ERJ6GEYJ822V 1 10W 8 2K 1 R416 ERJ6GEYJ153V 1 10W 15K 1 RX301 02 TORX178A OPTICAL IN 2 S1 S2 RSH1A91ZA A SW PROTECT REFLECT 2 S3 RSH1A044 1A SW LOAD OPEN 1 S4 RSH1A91ZA A SW DISC 1 S5 S6 RSH1A044 1A SW LOAD PLAY REC 2 S7 RSH1A045 A SW LOAD TRG 1 S8 RSP1A023 A SW TV SW 1 S401 10 EVQ21405R SW PUSH 10 5411 12 RST2A001 2D SW MARKING TRACK 2 TH1 RRSP33J103CW THERMISTOR 1 44 Ref No Part No Part Name amp Description Pcs Remarks VR1 EVM3YSX50B14 VR LASER POWER ADJ 1 X1 RSXY10MOMO2T OSCILLATOR 1 X2 RSXC16M9S03T OSCILLATOR 1 20 Cabinet Parts Location Note We do not supply those items of parts marked 21 MD Mechanism Parts Location 45 the areas marked x x as shown in the drawing Ref no RFKXPG641 parts apply the specified grease to Note When changing loading mechanism Note We do not supply those items of parts marked gt F000306000YM KH 46
15. 101V 1 16W 100 1 R132 ERJ3GEYJ272V 1 16W 2 7K 1 R134 35 ERJ3GEYJ272V 1 16W 2 7K 2 R137 ERJ3GEYJ103Z 1 16W 10K 1 R145 46 ERJ3GEYJ221V 1 16W 220 2 R147 ERJ3GEYJ102V 1 16W 1K 1 R174 ERJ3GEYJ103Z 1 16W 10K 1 R301 ERJ6GEYJ331V 1 10W 330 1 43 Ref No Part No Part Name amp Description Pcs Remarks R306 ERJ6GEYJ181V 1 19W 180 1 R309 ERJ6GEYJ181V 1 19W 180 1 R315 ERJ6GEYJ182V 1 10W 1 8K 1 R316 ERDS2FJ151 1 4W 150 1 R317 18 ERJ6GEYJ154V 1 10W 150K 2 R319 20 ERJ6GEYJ681V 1 10W 680 2 R321 22 ERDS2FJ100 1 4W 10 2 R323 24 ERJ6GEYJ391V 1 10W 390 2 R326 ERJ6GEYJ472V 1 10W 4 7K 1 R327 ERJ6GEYJ103V 1 10W 10K 1 R328 ERJ6GEYJ102V 1 10W 1K 1 R329 ERJ6GEYJ101V 1 10W 100 1 R330 31 ERJ6GEYJ102V 1 10W 1K 2 R332 ERJ6GEYJ103V 1 10W 10K 1 R333 ERJ6GEYJ561V 1 10W 560 1 R334 35 ERJ6GEYJ102V 1 10W 1K 2 R336 ERJ6GEYJ561V 1 10W 560 1 R338 ERJ6GEYJ101V 1 10W 100 1 R343 ERDS2FJ101 1 4W 100 1 R344 ERJ6GEYJ102V 1 10W 1K 1 R345 46 ERJ6GEYJ101V 1 10W 100 2 R347 48 ERJ6GEYJ822V 1 10W 8 2K 2 R349 50 ERJ6GEYJ272V 1 10W 2 7K 2 R351 ERJ6GEYJ101V 1 10W 100 1 R352 53 ERJ6GEYJ102V 1 10W 1K 2 R354 55 ERJ6GEYJ152V 1 10W 1 5K 2 R360 ERJ6GEYJ472V 1 10W 4 7K 1 R362 ERDS2FJ151 1 4W 150 1 R365 ERJ6GEYJ561V 1 10W 560 1 R367 ERJ6GEYJ101V 1 10W 100
16. AD0003056C2 for information on Accessories and Packaging 2 Blue LED The blue LED mounted to each sides of front panel is very sensitive to static electricity When handling the LED base plate be very careful about it Do not replace the blue LED by itself because it may be subject to electrostatic breakdown or deterioration in quality When replacing the LED base plate be sure to replace L and R sides simultaneously to adjust the brightness For configuration at the time of supply of replacement parts refer to Printed Circuit Board Diagram 3 Before Repair This equipment SJ HD515 which is a component of the system is supplied with power from the Amplifier SE HD515MD through the Tuner ST HD515MD When repairing this equipment or checking operation of the system be sure to connect to the amplifier and tuner with it This equipment even in the state of it as a single equipment permits power supply and operation check When operating it as a single equipment without the amplifier and tuner refer to the To Supply Power Source and Signal Check 4 Handling Precautions for MD Unit The laser diode in the MD unit optical pickup may break down due to potential difference caused by static electricity of clothes or human body So be careful of electrostatic breakdown during repair of the MD unit optical pickup 4 1 Handling of MD Unit optical pickup 1 Do not subject the MD unit optical pickup to static
17. AD0003058C2 Service Manual Mini Disc Deck SJ HD515 Mechanism Unit MR3A Colour Silver ZB HLDh515 amp J HD515 SE HD515MD SPECIFICATIONS SC HD515MD ST HD515MD Amplifier SE HD515MD Because of unique interconnecting cables when a component requires service send or bring in the entire system Specifications Made in Spain Digital input output terminal General Input Opticalx2 Dimensions WxHxD 200x104 5x253 mm Output None Weight 1 4 kg Format Sampling Frequency 44 1 kHz Notes Specifications are subject to change without notice Sampling Late Converter Weight and dimensions are approximate Pickup Wavelength 780 nm 2000 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law AA WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death Technics 1 Note Refer to the service manual for Model No SE HD515MD ORDER No
18. AN8772FHQ IC 1 IC2 AN8814SB E1 1 IC3 MN66616RA4 IC 1 IC4 AK4518VF E2 1 IC5 RN5RG33AA TL IC 1 IC6 TC7WO4FTE12L IC 1 IC9 RN5RZ26BA TR IC 1 48 10 MN101D03DAA1 1 IC11 TC74HCTOOAFL IC 1 IC72 M51V4400D7FS IC 1 IC92 LB1830MS TLM 1 IC301 PST597ENR IC 1 303 TC74HCT7007A 1 IC304 M5M34051FPE1 1 IC306 BA17805T IC 404 IC307 BA178M05T IC 1 IC308 BA17805T IC 404 309 81233SGY Z 1 48 01 SRUN2OT IC PROTECTOR 1 48 L1 RLQU100KT W COIL 1 L2 L3 RLQU101KT W COIL 2 L4 L8 RLQU2R2MT W COIL 5 L9 12 RLQU100KT W COIL 4 L13 14 RLQU2R2MT W COIL 2 L15 RLQU100KT W COIL 1 L16 RLQU2R2MT W COIL 1 L17 18 RLQP1R8KT2 Y COIL 2 L301 RLQZB470KT D COIL 1 L303 05 RLQZP1ROKT Y COIL 3 L307 10 RLQZP1ROKT Y COIL 4 PCB1 REP2775AA S MAIN P C B 1 RTL PCB2 REP2683F S LED P C B REF No 7 1 4 Ref No Part No Part Name amp Description Pcs Remarks PCB3 REP2775AB S PANEL P C B 1 RTL PCB4 REP2575A SW 1 RTL PCB5 REP2761A T SERVO P C B 1 RTL Q1 25 1295 6 TRANSISTOR 1 Q2 DTC114YETL TRANSISTOR 1 Q3 2SB1462STX TRANSISTOR 1 Q5 2SB1295 6 TB TRANSISTOR 1 Q6 DTC114YETL TRANSISTOR 1 Q10 2SJ278MYTR TRANSISTOR 1 Q11 2SK1764KYTR TRANSISTOR 1 Q13 2SB1121ST TD TRANSISTOR 1 t Q301 UN5214TX TRANSISTOR 1
19. EYJ222V 1 16 1 1 R44 ERJ3GEYJ223V 1 16W 22K 1 R45 ERJ3GEYJ333V 1 16W 33K 1 R46 ERJ3GEYJ222V 1 16W 1 1 R47 ERJ3GEYJ473V 1 16W 47K 1 R50 ERJ3GEYJ102V 1 16W 1K 1 R55 ERJ3GEYJ332V 1 16W 3 3K 1 R56 ERJ3GEYJ223V 1 16W 22K 1 R58 ERJ3GEYJ682V 1 16W 6 8K 1 R59 ERJ3GEYJ683V 1 16W 68K 1 R60 ERJ3GEYJ332V 1 16W 3 3K 1 R61 62 ERJ3GEYJ223V 1 16W 22K 2 R63 ERJ3GEYJ103Z 1 16 10K 1 R64 66 ERJ3GEYJ471V 1 16W 470 3 R67 ERJ3GEYJ102V 1 16W 1K 1 R70 ERJ3GEYJ102V 1 16W 1K 1 R71 72 ERJ3GEYJ220V 1 16W 22 2 R73 ERJ3GEYJ393V 1 16W 39K 1 R74 ERJ3GEYJ822V 1 16W 8 2K 1 R75 ERJ3GEYJ223V 1 16W 22K 1 R76 ERJ3GEYJ100V 1 16 10 1 R77 ERJ3GEYJ223V 1 16W 22K 1 R78 80 ERJ3GEYJ102V 1 16W 1K 3 R81 ERJ3GEYJ223V 1 16W 22K 1 R82 ERJ3GEYJ473V 1 16W 47K 1 R83 ERJ3GEYJ105V 1 16W 1M 1 R84 ERJ3GEYJ153V 1 16 15K 1 R85 ERJ3GEYJ223V 1 16W 22K 1 R86 87 ERJ3GEYJ102V 1 16W 1K 2 R89 90 ERJ3GEYJ102V 1 16W 1K 2 R93 ERJ3GEYJ102V 1 16W 1K 1 R95 ERJ3GEYJ222V 1 16W 2 2K 1 R98 99 ERJ3GEYJ102V 1 16W 1K 2 R100 ERJ3GEYJ473V 1 16W 47K 1 R103 ERJ3GEYJ102V 1 16W 1K 1 R104 05 ERJ3GEYJ272V 1 16W 2 7K 2 R107 10 ERJ3GEYJ102V 1 16W 1K 4 R111 12 ERJ3GEYJ221V 1 16W 220 2 R114 15 ERJ3GEYJ103Z 1 16W 10K 2 R116 17 ERJ3GEYJ101V 1 16W 100 2 R118 ERJ3GEYJ102V 1 16W 1K 1 R119 20 ERJ3GEYJ101V 1 16W 100 2 R121 22 ERJ3GEYJ272V 1 16W 2 7K 2 R123 ERJ3GEYJ102V 1 16W 1K 1 R124 25 ERJ3GEYJ473V 1 16 47K 2 R130 ERJ3GEYJ272V 1 16W 2 7K 1 R131 ERJ3GEYJ
20. Ground the soldering iron Put a conductive mat on the work table Do not touch the legs of IC or LSI with the fingers directly Voltage and signal line Pr Positive voltage line 22 gt Playback signal line gt Recording signal line 11 Schematic Diagram 12 Printed Circuit Board Diagram 13 Type Illustration of ICs Transistors and Diodes 14 Wiring Connection Diagram 15 Block Diagram 16 Troubleshooting Guide 17 Terminal Function of ICs 17 1 IC1 AN8772FHQ RF Amp 23 Pin Terminal VO Function No Name 1 CENVD D signal detection input 2 LDO O LD amp output terminal 3 APCPD Photo diode detection input 4 LDIN I LD amp input 5 APC amp reference voltage REF input 6 TEMPIN Temperature sensor amp input 7 TEMP O Temperature sensor amp output 8 ADIP ADIP FM signal output 9 TOFS Tracking error off set adjustment input 10 TBAL Tracking balance adjustment signal input 11 TE O Tracking error signal output 12 CRS IN Track cross signal input 13 TGAIN I TE gain adjustment input 14 LNP O Lens position signal output 15 AB GAIN APP signal gain adjustment input 16 FE O Focus error signal output 17 ASGAIN AS gain adjustment input 18 FBAL Focus balance adjustment input 19 5 AS signal output 20 CEA 3T envelope detection input 21 BDO BDO
21. MD to turn off the system And then pressing the power button again to turn it on again 8 3 Clearing the Self Diagnostic Function The contents of abnormality display are stored in memory In order to clear the memory continue to press the STOP button for at least 2 seconds while in the Self Diagnostic Function The memory will clear Always be sure to clear this memory after completing repair 9 To Supply Power Source and Signal Check Caution Itis very dangerous to look at or touch the laser beam Laser radiation is invisible With the unit turned ON laser radiation is 16 emitted from the pickup lens Avoid exposure to the laser beam especially when performing adjustments This unit SJ HD515 is designed to operate on power supplied from the Amplifier SE HD515MD through the Tuner ST HD515MD When connecting the unit to other system components do not connect to the Amplifier SE HD515MD directly When operating the unit SJ HD515 alone for testing and servicing without having power supplied from the Amplifier SE HD515MD use the following method 9 1 Power Supply to This Unit alone 1 Setting of the unit switches Set MARKING to AUTO and TRACK to ONE Refer to Fig 9 1 2 Short the IC10 pin 67 TP77 and GND TP74 with the lead wire Refer to Fig 9 2 This enables the unit to enter the operation mode and to active the operation switches on the front panel 3 Apply DC 10 V between the CP304 pin 5 10 V
22. Not used connected to GND via resistor 42 TESTO4 Test terminal Not used open 43 TESTOS Test terminal Not used open 44 CF MDA synchronous signal input SYNC 45 TESTOG Test terminal Not used open 46 TESTO7 Connected to rec play switch signal 47 TOKOK Test terminal Not used open 48 HFON module ON signal output 49 PANEL I PANEL I F clock signal input CLK 50 PANEL PANEL I F data signal input DATA I 51 PANEL O PANEL l F data signal output DATA O 52 PANEL PANEL I F chip select signal CS output 31 Pin Terminal VO Function No Name 53 SELAD MSP MDA I F address select output H address 54 SS MSP MDA I F clock output 55 SSDR MSP MDA I F read data input 56 SSDW MSP MDA l F write data output 57 LCDCK LCD clock test signal output Connected to power supply via resistor 58 ADRS Test terminal TEST Connected to power supply via RXD resistor 59 LCD Test terminal Not used open DATA TXD 60 VREF Connected to GND 61 TEMP Temperature sensor input 62 KEY1 Operation key signal input 63 KEY2 Operation key signal input 64 MO Test signal input Not used LOAD open 65 SRV Test signal input Not used TEST open 66 LOADP Test signal input Not used open 67 TEST Test signal input Not used KEY IN open 68 SRV Test signal input Not used LOAD open 69 Vcc3V
23. Q302 03 DTA114YUA106 TRANSISTOR 2 Q304 05 UN5214TX TRANSISTOR 2 Q306 2SB709ATX TRANSISTOR 1 Q307 UN5214TX TRANSISTOR 1 Q308 UN5111TX TRANSISTOR 1 Q309 UN5214TX TRANSISTOR 1 Q315 2SB709ATX TRANSISTOR 1 R1 ERJ3GEYJ472V 1 16W 4 7K 1 R2 ERJ3GEYJ102V 1 16W 1K 1 R3 ERJ3GEYJ472V 1 16W 4 7K 1 R5 ERJ3GEYJ1R0V 1 16W 1 1 R6 ERJ3GEYJ472V 1 16W 4 7K 1 R8 ERJ3GEYJ271V 1 16W 270 1 R10 ERJ3GEYJ474V 1 16W 470K 1 R11 ERJ3GEYJ101V 1 16W 100 1 R12 ERJ3GEYJ223V 1 16W 22K 1 R13 ERJ6GEYJ3R3V 1 8W 3 3 1 R14 ERJ3GEYJ103Z 1 16W 10K 1 R15 ERJ3GEYJ223V 1 16W 22K 1 R16 ERJ3GEYJ104Z 1 16W 100K 1 R17 ERJ3GEYJ223V 1 16W 22K 1 R18 ERJ3GEYJ103Z 1 16 10K 1 R19 ERJ3GEYJ102V 1 16W 1K 1 R20 ERJ3GEYJ473V 1 16 47K 1 R21 ERJ3GEYJ223V 1 16W 22K 1 R22 ERJ3GEYOROOV CHIP JUMPER 1 R23 ERJ3GEYJ272V 1 16W 2 7K 1 R24 ERJ3GEYJ473V 1 16W 47K 1 R25 ERJ3GEYJ104Z 1 16W 100K 1 R26 ERJ3GEYJ473V 1 16W 47K 1 R28 29 ERJ3GEYJ473V 1 16 47K 2 R30 ERJ3GEYJ102V 1 16W 1K 1 R31 ERJ3GEYJ223V 1 16W 22K 1 R32 ERJ3GEYJ473V 1 16 47K 1 R34 ERJ3GEYJ272V 1 16W 2 7K 1 R35 ERJ3GEYJ183V 1 16W 18K 1 R36 ERJ3GEYJ273V 1 16 27K 1 R37 ERJ3GEYJ333V 1 16W 33K 1 R38 ERJ3GEYJ223V 1 16W 22K 1 R42 ERJ3GEYJ102V 1 16W 1K 1 42 Ref No Part No Part Name amp Description Pcs Remarks R43 ERJ3G
24. RE LASERSTRAHLUNG WENN ABDECKUNG GEOFFNET MD deck NICHT DEM STRAHL AUSSETZEN 6 Location of Controls Produktets innside Im Inneren des Ger tes 7 Operation Checks and Component Replacement Procedures This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components For reassembly after operation checks or replacement reverse the respective procedures Special reassembly procedures are described only when required 7 1 Checking for the main P C B Cabinet Step 2 Ad e 4 i Step 1 6x4 Step 3 preading the both front tails indicated with 6 of cabinet a small amount lift up and remove the cabinet in the direction of arrow Check the main P C B as shown below Main P C B 7 2 Checking for the MD servo P C B 7 2 1 Checking for the MD servo P C B A side Follow the Step 1 Step 3 of item 7 1 Step 1 x 2 LA L gt Step 2 Remove the MD mechanism unit in the direction of arrow Check the MD servo P C B A side as shown below MD servo P C B A side 7 2 2 Checking for the MD servo P C B B side When checking the IC1 on the of MD servo P C B B side it can be measured with test point on the MD servo P C B A side TP150 TP148 TP36 TP44 TP41 TP39 TP52 TP122 40 TP42 TP38 TP43 TP37 Pin No of
25. d current output 11 TESTO1 Test terminal Not used open 12 TVSW Rest detect switch signal input 13 DISC IN Disc in detect switch signal input 14REFLECT Reflect detect switch signal input 15 0ADSWO Load OPEN detect switch signal I input OPEN 16 oApsw1 Load TRG detect switch signal I TRG input 140ADsw2 1 Load PLAY REC detect switch I PLAYI signal input REC 181 oApsw3 Load PLAY detect switch signal I input PLAY 19PROTECT Write protect tab detect switch signal input 20 MMOD Not used connected to GND 21 RST Reset signal input 22UNITTEST Test signal input Not used open 23 52 Test signal input Not used open 24 SCTSY ADIP synchronous noise input 25 MDISY Header synchronous noise input 26 PANEL Panel I F request signal input 30 I REQ Pin Terminal IO Function No Name 27 LED O Drive signal output for LED OUT1 drive H ON 28 LED OUT2 29 LED OUT3 30 TESTO2 Test terminal Not used open 31 VDD I Power supply terminal 2 3V 32 OSC1 Crystal oscillator f 10 02 MHz 33 OSC2 34 Vss GND terminal 35 XI Not used connected to GND 36 XO Notused open 37 Vss GND terminal 38 TESTO3 Test terminal Not used open 39 EEPCS EEPROM chip select signal output Not used open 40 EEPCK EEPROM clock signal output Not used open 41EEPDATA EEPROM data signal input output
26. electricity as it is extremely sensitive to electrical shock 2 To protect the breakdown of the laser diode an anti static shorting pin is inserted into the flexible board FPC board Refer to Fig 4 1 3 Take care not to apply excessive stress to the flexible board FPC board FPC Handle it carefully s gt Shorting pin or Clip 4 2 Grounding for electrostatic breakdown prevention 4 2 1 Human body grounding Use the anti static wrist strap to discharge the static electricity from your body Refer to Fig 4 2 Fig 4 2 Wrist strap Anti static bracelet 1 MO 4 2 2 Work table grounding Put a conductive material sheet or steel sheet on the area where the MD unit optical pickup is placed and ground the sheet Refer to Fig 4 3 Fig 4 3 Caution The static electricity of your clothes will not be grounded through the wrist strap So take care not to let your clothes touch the MD unit optical pickup 5 Precaution of Laser Diode CAUTION THIS PRODUCT UTILIZES A LASER USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE CAUTION This product utilizes a laser diode with the unit turned invisible laser radiation is emitted from the pickup lens Wave length 780 nm Maximum output radiation power from pickup 100 UW VDE Laser radiation from the pick up unit is safety level but
27. ion of the head is moved and this affects its recording operation Recommended torque for mounting screw 700x100 g cm Reference This is the same force as using a screwdriver with a 15 mm diameter grip you fasten the screw naturally with your thumb and index finger 3 About the driver for adjusting laser power Use only insulated driver such as a ceramic driver With the metal driver it is not possible to adjust properly because of induction noise Also if it short circuits with the chassis it may destroy or 34 damage the laser diode Recommended driver VESSEL 9000 1 8 30 Ceramic driver Caution on optical pickup The optical pickup and the magnetic head are structured precisely therefore they are very fragile Be careful not to touch them with the edge of laser power meter The sensor of the laser power meter is a very fine part Be careful not to touch it to the optical pickup lens The focus point of the laser reaches to 180 C Therefore avoid using laser power for a long time because the sensor of the laser power meter may be burned Do not allow the write power to even momentarily reach or exceed 5 5 mW Doing so will result in damage to the optical pickup Do not set the unit to the laser power adjustment mode with the MD loaded Doing so may result in damage to the MD 18 1 3 Adjustment Procedure 1 Remove the MD unit from the system unit 2 Short circuit the IC10 pin 67 TP77 and GND TP74 with
28. is unit uses the optical magnetic recording the unit outputs over 10 times more laser than a CD player does In adjustment mode the laser is always being output Therefore be 33 especially careful not to look laser beam directly or to touch the laser beam when adjusting the unit and checking its operation 18 1 Laser Power Adjustment Adjust each laser power read power for reading play and write power for writing record 18 1 1 Necessary Instruments Laser power meter LE8010 Test disc Pre mastered disc RFKV0006 or RFKV0014 Recordable disc available on sales route with music recorded Insulated driver for adjustment such as a ceramic driver 18 1 2 Set the Unit to the Adjustment Mode Perform the Step 1 and Step 2 in the item 7 2 Checking for the MD servo P C B in Operation Checks and Component Replacement Procedures Caution 1 About handling the MD unit The magnetic head is precision unit and is very fragile Do not deform it Laser diode in the optical pickup may be destroyed by the static electricity generated in your clothes or body Be especially careful with the static electricity The optical pickup is structured extremely precisely Do not subject to the strong impact or shock Do not touch the lens 2 About handling the magnetic head When replacing the magnetic head do not tighten the mounting screw RHD17022 too firmly If the screw is tightened too much to deform the resin the posit
29. itch S8 20 Traverse det switch 5401 Eject switch EJECT S402 CD edit recording switch CD EDIT S403 Enter switch ENTER S404 Edit switch EDIT S405 Stop switch S406 Pause switch 5407 Playback switch 5408 Record switch 5409 R Skip search switch 5410 F Skip search switch N 5411 Marking mode select switch in AUTO position MARKING 21 5412 One track all tracks switch in ONE position TRACK VR1 Laser power adjustment VR Indicated voltage values are the standard values for the unit measured by the DC electronic circuit tester high impedance with the chassis taken as standard Therefore there may exist some errors in the voltage values depending on the internal impedance of the DC circuit tester No mark MD Stop MD Play lt gt MD Rec Important safety notice Components identified by mark have special characteristics important for safety Furthermore special parts which have purposes of fire retardant resistors high quality sound capacitors low noise resistors etc are used When replacing any of components be sure to use only manufacturer s specified parts shown in the parts list Caution IC and LSI are sensitive to static electricity Secondary trouble can be prevented by taking care during repair Cover the parts boxes made of plastics with aluminum foil
30. onnected to GND 3 NC Not used open 4 OPO O Op amp output 5 OP Op amp invert input 6 Op amp non invert output Not used connected to GND 7 Vcc Power supply terminal 8 1 2 1 2PVcc output terminal 2 2 Connected to GND via capacitor 9 PVcc2 Power supply terminal for driver 10 PGND2 GND terminal 11 VO4 O Tracking coil drive output 12 VO4 O Tracking coil drive output 13 VO3 O Focus coil drive output 25 Pin Terminal VO Function No Name 14 VO3 O Focus coil drive output 15 2 Traverse motor drive output 16 VO2 O Traverse motor drive output 17 VO1 O Spindle motor drive output 18 VO1 Spindle motor drive output 19 PGND1 GND terminal 20 PVcc1 I Power supply terminal 21 1 2PVcc 1 2PVcc output terminal 1 1 Connected to GND via capacitor 22 VREF Reference voltage input 23 IN1 I Spindle motor drive signal input 24 1 Power cut 1 input 25 2 Traverse motor drive signal input 26 PC2 Power cut 2 input 27 N3 Focus drive signal input 26 IN4 Tracking drive signal input 17 3 IC3 MN66616RA4 ATRAC Encoder Decoder Servo Signal Processor PinTerminal VO Function No Name 1 ADIP I ADIP FM signal input 2 LNP Lens position signal input 3 FE Focus error signal input 4 TE Tracking error signal input 5 AS AS signal input 6 DRMONI D
31. orded MD in the unit 4 Press the button and check if the MD play backs normally When the button is pressed the PLAY LED turns green Refer to Fig 9 4 5 Remove the MD after check Continued to Recording Signal Check Fig 9 4 REC LED REC button PLAY LED EM button p button 9 3 3 Recording Signal Check 1 After completing the item 5 of Playback Signal Check connect to the portable CD player or any other player with an optical digital output terminal Refer to Fig 9 5 Set the recordable MD 3 Press the REC button The REC LED red color blinks Refer to Fig 9 4 Playback the CD and press the button The recording starts Refer to Fig 9 4 Press the u button UTOC will be written Refer to Fig 9 4 6 Playback the MD and check if the MD is recorded Remove the MD after check 19 8 Turn off the power and remove the lead wire between the 1 10 pin 67 TP77 and GND TP74 Refer to Power Supply to This Unit alone Fig 9 5 SJ HD515 Rear panel Optical fiber cable _ SI Portable CD player 10 Schematic Diagram Notes This schematic diagram may be modified at any time with the development of new technology Notes 51 PROTECT det switch S2 REFLECT det switch S3 LOAD OPEN det switch 54 DISC IN det switch S5 LOAD PLAY REC det switch S6 LOAD PLAY det switch 7 LOAD det sw
32. p 3 of item 7 1 Follow the Step 1 Step 11 of item 7 3 13 1 Take care not to damage Step 2 the magnetic head Remove the Step 1 2 Do not tighten the set magnetic head screw Q in excessive REDO047 1 torque The parts may be damaged Step 3 pread the lugs of head shifter and then release the lugs from boss Step 4 REF base Step 5 Release the 2 claws and then remove the REF base Traverse motor REM0077 Notice for installing the traverse motor Align the hole of traverse motor with the boss of mechanism chassis and then install the traverse motor Traverse motor 8 Self Diagnostic Function This unit is equipped with a Self Diagnostic Function so that if the unit operates incorrectly the fault is displayed using an error code on the FL display of the Tuner ST HD515MD The system control IC and FL display are part of the tuner so make sure the system has been connected properly before using this function This unit can be operated independently although the Self Diagnostic Function cannot be used Use this Self Diagnostic Function when servicing the unit 8 1 Setting to the Self Diagnostic Function 1 Turn on the power 2 Hold down the u button for at least 2 seconds and then press the D D button for at least 2 seconds while continuing to hold down the u button Refer to Fig 8 1 The unit sets to Self Diagnostic Function
33. rive voltage monitor input 7 BAT Battery power supply terminal 8 AMONI Servo analog monitor signal output Not used open 9 VREFI Reference voltage input 10 TOFS Tracking error off set adjustment output 11 FBAL O Focus balance adjustment output 12 TBAL O Tracking balance adjustment output 13 TGAIN TE error gain adjustment output 26 PinTerminal Function No Name 14 ASGAIN Main beam amp gain adjustment output 15 ABGAIN O APP adjustment output 16 AVDD1 Power supply terminal 17 AVss1 GND terminal 18 FOD O Focus drive signal output 19 TRD O Tracking drive signal output 20 TVD O Traverse motor drive signal output 21 SPD O Spindle motor drive signal output 22 SPON O Drive IC spindle ON signal output 23 TVON O Drive IC traverse ON signal output 24 DVppO Power supply terminal 25 FG input 26 NRECT Rec Play switching signal output 27 Vpp2 I Power supply terminal for I O pad 28 VppO Power supply terminal for I O pad 29 DVssO GND terminal 30 RAD12 DRAM address output Not RAD10 used open 32 33 RAD9 DRAM address output RADO 42 43 RDT3 I O DRAM data input output 46 47 NRAS DRAM row address strobe signal output 48 NCAS O DRAM column address strobe signal output 49 NWE O DRAM write enable signal output 50 NRST Reset signal input 51 SELAD MSP
34. the lead wire This enables the unit to enter the operation mode and to active the operation switches on the front panel 3 Set the MD unit in the system unit and turn on the power The LED of REC and PLAY will light up 4 Slide the sensor cover of the laser power meter Refer to Fig 18 1 Fig 18 1 e 7 Sensor cover 5 Position the sensor of the laser power meter directly above the optical pickup Refer to Fig 18 2 Fig 18 2 35 Caution Do not allow the laser power Magnetic head meter to come in contact with either the optical pickup or the magnetic head Optical pickup Press the CD EDIT button and confirm that the reading of the laser power meter is within the specified range If it is not within the specified range adjust by turning VR1 Refer to Fig 18 3 Fig 18 3 Specified range read power 600 W or lower Caution Proceeding on to the subsequent adjustment procedure with the read power exceeding 600 u W will result in damage to the optical pickup Press the CD EDIT button and read the write power Specified range write power 4 8 mW 0 1 mW If itis not within 4 8 mW 0 1 mW adjust by turning VR1 Refer to Fig 18 3 Caution Do not allow the write power to even momentarily reach or exceed 5 5 mW Doing so will result in damage to the optical pickup Press the CD EDIT button the read power will be displayed again I Confirm that the read power is wi
35. thin 540 660 W 10 Then again press the CD EDIT button The laser power recorded in the laser ROM will be displayed Confirm that it is within 540 660 u W 36 11 Press the STOP button and exit the adjustment mode 12 Turn off the power and remove the lead wire between the IC10 pin 67 TP77 and GND TP74 This ends the adjustment mode 19 Replacement Parts List Notes Important safety notice Components identified by mark have special characteristics important for safety Furthermore special parts which have purposes of fire retardant resistors high quality sound capacitors low noise resistors etc are used When replacing any of components be sure to use only manufacture s specified parts shown in the parts list The marking RTL indicates that Retention Time is Limited for this item After the discontinuation of this assembly in production the item will continue to be available for a specific period of time The retention period of availability is dependent on the type of assembly and in accordance with the laws governing part and product retention After the end of this period the assembly will no longer be available All parts are supplied by MESA 37 Ref No Part No Part Name amp
36. ut the FFC Remove the MD mechanism from the connector unit in the direction of arrow 11 Step 5 Unsolder the motor terminals 6 points Step 4 Connector CN8 FPC Magnetic head Connector Step 6 Tod Remove the 2 FPCs FPC from the connector Optical pickup FPC NOTE m Optical pickup Insert a short pin into the traverse unit FPC borad Refer to Handling Precautions 2 for MD unit Short pin Hemove the connector and then remove the MD servo P C B Step 7 elease the 4 claws Claws Step 10 Holder ass y Release the 2 claws and then lift up the holder ass y Step 9 Remove the pressure spring from latch Claw When installing the holder ass y the pressure spring should be latched correctly 12 Step 11 Set the holder ass y and MD mechanism unit at a 60 degree angle and then pull out the holder ass y Holder NZ Z Look lever pin ZAJ U Main rack slot MD mechanism unit NOTE When installing the holder ass y align the lock lever pin with the main rack slot Step 12 Remove the belt Step 13 RDV0055 gt 1 Loading motor REM0078 Notice for installing the loading motor Align the hole of loading motor with the boss of mechanism chassis and then install the loading motor Loading motor lt Mechanism chassis 7 5 Replacement for the traverse motor ass y Follow the Step 1 Ste

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