Panasonic SJ-HD515 Service Manual Download Page 20 | Manualshive

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8. Turn off the power, and remove the lead wire between the IC10-

pin 67 (TP77) and GND (TP74). (Refer to

Power Supply to This Unit

alone

.)

Fig. 9-5.

10. Schematic Diagram Notes

- This schematic diagram may be modified at any time with the

development of new technology.

Notes:

S1:

PROTECT det. switch

S2:

REFLECT det. switch

S3:

LOAD OPEN det. switch

S4:

DISC IN det. switch

S5:

LOAD PLAY/REC det. switch

S6:

LOAD PLAY det. switch

S7:

LOAD TRG det. switch

S8:

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Summary of Contents for SJ-HD515

Page 1: ...AD0003058C2 Mini Disc Deck SJ HD515 Mechanism Unit MR3A Colour S Silver Type Area E Europe SPECIFICATIONS 1 ...

Page 2: ... 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 th...

Page 3: ...e 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 Fig 4 1 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 4 2 2 Work table grounding Put a cond...

Page 4: ... take care not to let your clothes touch the MD unit optical pickup 5 Precaution of Laser Diode 6 Location of Controls 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 4 ...

Page 5: ...he respective procedures Special reassembly procedures are described only when required 7 1 Checking for the main P C B Check the main P C B as shown below 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 5 ...

Page 6: ... Check the MD servo P C B A side as shown below 7 2 2 Checking for the MD servo P C B B side 6 ...

Page 7: ...7 3 Replacement for the magnetic head and optical pickup Follow the Step 1 Step 3 of item 7 1 7 ...

Page 8: ...8 ...

Page 9: ...9 ...

Page 10: ...10 ...

Page 11: ...7 4 Replacement for the belt and loading motor ass y Follow the Step 1 Step 3 of item 7 1 11 ...

Page 12: ...12 ...

Page 13: ...7 5 Replacement for the traverse motor ass y Follow the Step 1 Step 3 of item 7 1 Follow the Step 1 Step 11 of item 7 3 13 ...

Page 14: ...14 ...

Page 15: ...ostic 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 button for at least 2 seconds and then press the button for at least 2 seconds while continuing to hold down the button Refer to Fig 8 1 The unit sets to Self Diagnostic Function Then an error code is displayed on the FL display of ...

Page 16: ... servo circuit board is disconnected or damaged check andreplace necessary The 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 HD515MD 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...

Page 17: ...g 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 ...

Page 18: ...er 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...

Page 19: ... 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 2 Set the recordable MD 3 Press the REC button The REC LED red color blinks Refer to Fig 9 4 4 Playback the CD and press the button The recording starts Refer to Fig 9 4 5 Press the button UTOC will be written Refer to F...

Page 20: ...his Unit alone Fig 9 5 10 Schematic Diagram Notes This schematic diagram may be modified at any time with the development of new technology Notes S1 PROTECT det switch S2 REFLECT det switch S3 LOAD OPEN det switch S4 DISC IN det switch S5 LOAD PLAY REC det switch S6 LOAD PLAY det switch S7 LOAD TRG det switch S8 20 ...

Page 21: ...ecording switch CD EDIT S403 Enter switch ENTER S404 Edit switch EDIT S405 Stop switch S406 Pause switch S407 Playback switch S408 Record switch REC S409 R Skip search switch S410 F Skip search switch S411 Marking mode select switch in AUTO position MARKING 21 ...

Page 22: ...k 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 car...

Page 23: ...l 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 ...

Page 24: ...ion signal output 15 AB GAIN I APP signal gain adjustment input 16 FE O Focus error signal output 17 AS GAIN I AS gain adjustment input 18 FBAL I Focus balance adjustment input 19 AS MON3T O AS signal output 20 CEA I 3T envelope detection input 21 BDO TRCRS O BDO Track cross signal output 22 CBD O O BDO detection capacitor terminal 23 OFT O O Off track detection signal output 24 GND GND terminal 2...

Page 25: ...gnal input 47 D I Main beam D signal input 48 CENVC I C signal detection input 17 2 IC2 AN8814SB E1 Focus Tracking Coil Spindle Traverse Motor Drive Pin No Terminal Name I O Function 1 REG B 3 3 V external transistor control Not used open 2 REG M 3 3 V regular output monitor Not used connected to GND 3 NC Not used open 4 OPO O Op amp output 5 OP I Op amp invert input 6 OP Op amp non invert output ...

Page 26: ... Power cut 2 input 27 IN3 I Focus drive signal input 26 IN4 I Tracking drive signal input 17 3 IC3 MN66616RA4 ATRAC Encoder Decoder Servo Signal Processor Pin No Terminal Name I O Function 1 ADIP I ADIP FM signal input 2 LNP I Lens position signal input 3 FE I Focus error signal input 4 TE I Tracking error signal input 5 AS I AS signal input 6 DRMONI I Drive voltage monitor input 7 BAT I Battery p...

Page 27: ...nal output 24 DVDD0 I Power supply terminal 25 FG I FG input 26 NRECT O Rec Play switching signal output 27 IVDD2 I Power supply terminal for I O pad 28 IVDD0 Power supply terminal for I O pad 29 DVSS0 GND terminal 30 32 RAD12 RAD10 DRAM address output Not used open 33 42 RAD9 RAD0 O DRAM address output 43 46 RDT3 RDT0 I O DRAM data input output 47 NRAS O DRAM row address strobe signal output 48 N...

Page 28: ...udio data signal input 66 LRCK I CD word clock signal input 67 BCK I CD bit clock signal input 68 DATA I CD data signal input 69 TX Digital audio interface signal output Not used open 70 RX1 I Digital audio interface signal 1 input 71 RX2 I 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 out...

Page 29: ...CK O RF serial clock output 89 NRFLD O RF serial load output 90 TRCRS I Track cross signal input 91 OFTR I Off track signal input 92 APCD O Laser power PWM output 93EXEFMCK I External FM clock input Connected to GND via resistor 94 PEFM1 O EFM loop filter output 95EEMIREF I EFM PLL reference current input 96EEMPLLF O EFM signal output 97 PEFMS I EFM signal input 98 AVDD0 I Power supply terminal 99...

Page 30: ...V SW I Rest detect switch signal input 13 DISC IN I Disc in detect switch signal input 14 REFLECT I Reflect detect switch signal input 15LOADSW0 OPEN I Load OPEN detect switch signal input 16LOADSW1 TRG I Load TRG detect switch signal input 17 LOADSW2 PLAY REC I Load PLAY REC detect switch signal input 18LOADSW3 PLAY I Load PLAY detect switch signal input 19PROTECT I Write protect tab detect switc...

Page 31: ...Not used open 40 EEPCK EEPROM clock signal output Not used open 41 EEPDATA EEPROM data signal input output Not used connected to GND via resistor 42 TEST04 Test terminal Not used open 43 TEST05 Test terminal Not used open 44 CF SYNC I MDA synchronous signal input 45 TEST06 Test terminal Not used open 46 TEST07 I Connected to rec play switch signal 47 TOK OK Test terminal Not used open 48 HF ON O H...

Page 32: ...Y1 I Operation key signal input 63 KEY2 I Operation key signal input 64 MO LOAD Test signal input Not used open 65 SRV TEST Test signal input Not used open 66 LOAD P Test signal input Not used open 67 TEST KEY IN Test signal input Not used open 68 SRV LOAD Test signal input Not used open 69 VCC3V I Power supply terminal 70 VCC5V I Power supply terminal 71 SEL ADDA AD DA converter select signal inp...

Page 33: ...able input 4 RAS I DRAM row address strobe input 5 A9 I DRAM address 9 input 9 A0 I DRAM address 0 input 10 12 A1 A3 I DRAM address 1 3 input 13 VCC I Power supply terminal 14 18 A4 A8 I DRAM address 4 8 input 22 OE DRAM output enable input Not used connected to GND 23 CAS I DRAM column address strobe input 24 DO3 I O DRAM data 3 input output 25 DO4 I O DRAM data 4 input output 26 VSS GND terminal...

Page 34: ... 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 s...

Page 35: ...ite 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 the lead wire This enables the unit to enter the operat...

Page 36: ...tical pickup 7 Press the CD EDIT button and read the write power Specified range write power 4 8 mW 0 1 mW 8 If it is 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 9 Press the CD EDIT button the read power will be displayed again Confirm that the r...

Page 37: ...ound 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 depende...

Page 38: ... 1 100 RED0047 1 MAGNETIC HEAD 1 101 RHD17021 SCREW 1 102 RHD17022 SCREW 1 103 RMC0348 SPRING 1 104 RMC0349 NUT PLATE SPRING 1 105 RML0515 HEAD SIFTER 1 106 RMQ0750 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 RMQ075...

Page 39: ...0V 1000P 2 C37 ECUV1H181KV 50V 180P 1 C40 ECUVNC104ZFV 16V 0 1U 1 C41 ECEV0JA331P 6 3V 330U 1 C42 ECST0GY106RR 4V 10U 1 C45 ECST0GY106RR 4V 10U 1 C46 ECUVNC104ZFV 16V 0 1U 1 C47 ECUVNA105ZFV 10V 1U 1 C48 ECUVNC104ZFV 16V 0 1U 1 C50 ECUVNC104ZFV 16V 0 1U 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...

Page 40: ...VNC104ZFV 16V 0 1U 1 C129 ECUV1H101JCV 50V 100P 1 C133 ECUVNA105ZFV 10V 1U 1 C134 ECUV1H331KBV 50V 330P 1 C138 ECEV0JA470SR 6 3V 47U 1 C139 42 ECUVNC104ZFV 16V 0 1U 4 C143 ECST0GY106RR 4V 10U 1 C144 ECUVNH103KBV 50V 0 01U 1 C147 49 ECUVNH103KBV 50V 0 01U 3 C154 55 ECUV1H330GCV 50V 33P 2 C311 12 RCE1CKA470BG 16V 47U 2 C314 15 ECUV1H222KBN 50V 2200P 2 C317 ECUVNE104ZFN 25V 0 1U 1 C318 ECEA0JKS101 6 ...

Page 41: ...K4518VF E2 IC 1 IC5 RN5RG33AA TL IC 1 IC6 TC7W04FTE12L IC 1 IC9 RN5RZ26BA TR IC 1 IC10 MN101D03DAA1 IC 1 IC11 TC74HCT00AFL IC 1 IC72 M51V4400D7FS IC 1 IC92 LB1830MS TLM IC 1 IC301 PST597ENR IC 1 IC303 TC74HCT7007A IC 1 IC304 M5M34051FPE1 IC 1 IC306 BA17805T IC 1 IC307 BA178M05T IC 1 IC308 BA17805T IC 1 IC309 S81233SGY Z IC 1 ICP301 SRUN20T IC PROTECTOR 1 L1 RLQU100KT W COIL 1 L2 L3 RLQU101KT W COI...

Page 42: ...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 16W 10K 1 R19 ERJ3GEYJ102V 1 16W 1K 1 R20 ERJ3GEYJ473V 1 1...

Page 43: ...1 16W 22K 1 R82 ERJ3GEYJ473V 1 16W 47K 1 R83 ERJ3GEYJ105V 1 16W 1M 1 R84 ERJ3GEYJ153V 1 16W 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...

Page 44: ... 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 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 ERJ6G...

Page 45: ...ef No Part No Part Name Description Pcs Remarks VR1 EVM3YSX50B14 VR LASER POWER ADJ 1 X1 RSXY10M0M02T OSCILLATOR 1 X2 RSXC16M9S03T OSCILLATOR 1 20 Cabinet Parts Location 21 MD Mechanism Parts Location 45 ...

Page 46: ...F000306000YM KH 46 ...

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