Panasonic SJ-MJ88 MiniDisc Player User Manual
Contents
1. Pin Mark I O Function No Division 1 RVDD 3 l Power supply to internal DRAM 2 RVDD18 O Voltage regulator output terminal Connects to internal DRAM supply terminal 3 RVDD23 Voltage regulator input terminal Accepts a supply voltage identical to that for IO pad 4 LON Voltage regulator ON OFF control signal input terminal 1 ON 2 OFF 5 TMDISY O Microprocessor interrupt signal 3 output terminal for monitoring 6 TSGSY O ATRAC frame sync signal NC output terminal for monitoring 7 MONI6 O Monitor signal output terminal 6 8 MONI5 O Monitor signal output terminal 5 9 NRST l Chip Reset signal input terminal O reset 10 SELAD l Microprocessor IF address data select signal input terminal 11 SSCK I Microprocessor IF shift clock signal input terminal 12 SSDW l Microprocessor IF write data input terminal 13 SSDR O Microprocessor IF read data output terminal 14 NRQ O Microprocessor interrupt signal 1 output terminal 15 MDAS O Microprocessor interrupt CSY signal 2 output terminal 16 FG l FG input terminal 17 TRDP O Tracking drive PWM signal output terminal 18 TRDM O Tracking drive PWM signal output terminal 46 Pin Mark I O Function No Division 19 RVDD1 Power supply to internal DRAM 20 RVSS 2 GND to internal DRAM 21 FODP O Foc2. 13 OSC1 System clock input terminal F 6MHz 14 VSS GND terminal 15 Xl Sub clock input terminal Not used connected to GND 16 XO Sub clock output terminal Not used open 17 MMOD Memory mode switching input terminal Not used connected to GND 18 REM O LCD driver data output DATA terminal 19 LINK l Link serial communication RXD RXD input terminal 20 Not used open 21 SSDW O Write data output terminal for CPU interface 49 Pin Mark I O Function No Division 22 SSDR Read data input terminal for CPU interface 23 SSCLK O Clock output terminal for CPU interface 24 BUZZER O Confirmation tone output terminal 25 RST Reset signal input terminal 26 CFSYNC Synchronize signal input terminal for CPU interface 27 SELAD O Address select output terminal for CPU interface 28 Not used open 29 MDISY Reader synchronize signal input terminal 30 LD PWM O Laser power controlling PWM output terminal 31 DCIN Charger wakeup detection WAKEUP signal input terminal 32 NRQ l Microprocessor service request input terminal 33 MDASCSY MDA service selector signal input terminal 34 OPEN l Lid open detection input SW terminal H Open 35 SCTSY ADIP synchronize signal input terminal 36 42 Not used open 43 CHARGE1 O Recharging control output terminal 44 46 Not
3. 0 4Vp p TP411 ROM KA WAVY TP407 reference 500nS 0 7V DIV W WY N WA M ih 0 4Vp p NY N OXY TP411 RAM TP407 reference VAN 500nS 0 1V DHV 1C101 is broken YES IC1 43 pin ka Gay G R sj TP407 reference 0 04Vp p IC1 44 pin i TP407 reference es any CS tj 0 04Vp p 500mS 0 02V DIV Are waveforms of IC1 43 and 44 pins 1C1 is broken Optica pickup is broken 38 Confirmation of the traverse Start Insert the disc and press 207 N NO IC 101 17 pin Raven Between TP402 and 403 Filter wana peel 2 0Vp p C101 18 pin li I I Lave YES 18 0 5V DIV Does the traverse move Are TRDP and TRDM waveforms of 0101 17 and 18 pins OK is waveform of NO between TP402 and 403 OK IC1 41 pin YES IC301 39 pin TP407 referencce 1C301 37 pin reference YES en 0 005Vp p Jesu TP407 referencce IC301 41 pin a i 1C301 37 pin reference IC1 47 pin 5m5 0 02V DIV TP407 referencce Josa MIN 7 eee IC 1 48 pin IC301 43 pin TP407 referencce IC301 37 pin reference EA 0 03Vp p 5mS 0 02V DIV ARE 10mS 1 0W DIV Are waveforms NO of IC1 40 41 47 and 48 pins OK Are waveforms of iC301 39 41 and 43 pins OK YES Sled motor is broken NO YES IC1 is broken Optical pickup is broken IC301 31 pin N i F
4. a Confirm the remote cont key YES 34 2 Confirmation of the main unit and the charging stand Confirmation of the charging circuit Note DC power supply to be prepared Apply 2 0V to TP443 with TP442 standard with the outer DC power supply current limited to 500mA NO BAT displayed on remote cont s LCD id 2 2Vp p IC201 43 pin I 2 2Vp p 10201 31 pin l Set the battery i Bettprweneeerenmnnantnnnnmnnesnamennn atol ee Approx 25 30ms 50ms Are the waveforms of 1C201 31 and 43 pins OK The charging stand is broken C201 is broken Confirmation of the detection of the disc cover closing Confirmation of 207 OPEN CLOSE SW Confirmation of IC201 s power supply and oscillation 35 Confirmation of the remote controller key 1806 1 702 Bee 1 900 2 100 Confirm the waveform at TP437 and BOUNDARY the voltage when the keys are pressed SEN ne wie Wiest 50 ek coe SS le Seren ZZA NL 00000000000 e as Sas Ree PVOL TB ges 20V Po 1 0288 EQMODE oses 9 955 PLAY MODE 1 046 b 40V eee TTK TEE PF SKIP tes DISPLAY o o d o qtas OoOO Y O 7P437 LEED ov ere Pee DR 50ms 0 5V DIV RSKI 1666 sz oo REN NERENS EEE WITHOUT REMOTE CONT o BJ BJ o a Confirmation of spindle NO is spindle rotating YES is waveform of NO IC301 17 pin OK
5. 10301 IC101 is broken YES Battery voltage 2 2Vp p 1C301 17 pin ICON Are voltages of NO IC301 14 46 pins OK Confirm the power 1 0Vp p YES supply line TP417 48 0 2V DIV is waveform of TP417 OK 0301 20 er IC301 2 pin reference 0 8Vp p 1C301 10 pin PYTANY IC301 2 pin reference fosvp p YES 1C301 12 pin AA AAA WS IC301 2 pin reference To svp 20m5 0 5VADIV Are waveforms of 1C301 7 10 and 12 pins OK Spindle motor is broken 36 Confirmation of the focus Disassemble the unit so that only the mechanism unit is exposed Remove the disc cover Set the battery While pressing and holding the battery cover with your hand so that the battery is connected continuously press the S207 OPEN CLOSE switch NO Does the laser emit YES Remove the battery Reset the baitery Press S207 OPEN CLOSE SW Continuing to next page Is TP407 NO approximately 1 1V YES is the voltage YES TP429 2 2V NO Confirm the power supply circuit Is the voltage NO between TP405 and 406 more than 33mV YES Is IC1 3 pin NO approximately 330mV i Is IC1 1 pin approximately 1 5V is the voltage between TP405 and 406 0V YES Optical pickup is broken Q1 is broken IC1 is broken 37 1 When checking the RF waveform set to the adjustment mode and adjust it to the jitter measurement condition Co
6. F IC201 t8pin IM 100m8 0 5WDIV 8 Schematic Diagram Notes 100mS 0 5V DIV Is data waveform of IC201 18 pin OK Confirm the remote cont circuit Confirm the power supply circuit NO Confirm 1C201 s power supply and oscillation 8 1 Type Illustration of IC s Transistors and Diodes 8 2 Schematic Diagram Notes This schematic diagram may be modified at any time with the development of new technology Notes Volume control switch 201 volume control switch 202 Skip search switch gt gt 203 Skip search switch lt lt S204 Play stop switch De m S206 8 Cover open close det switch 5207 Hold switch in OFF position HOLD 208 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 theinternal impedance of the DC circuit tester No mark MD STOP MD play 1kHz L R 0dB Important safety notice Components identified by mark have special characteristics important for safety Furthermore special parts which have purpose 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 theparts list Caution IC an
7. 2 2Vp p 1C301 32 pin R 22Vp p c301 33 pin FINN 2 2ve e Are waveforms of 1C301 31 32 and 33 pins OK IC201 34 pin T Fb avpp IC301 35pin FI FL Fo pep 1C301 35pin af LLL TF fzer 10mS 2 0V DIV NO Are waveforms of 1C301 34 35 and 36 pins OK NO Note At sled transfer waveform is made NO IC301 Battery voltage Are voltages of 1C301 44 and 46 pins OK IC301 is broken Confirm the power fine Be Confirm 1C101 s power supply and oscillation YES 39 Confirmation of the power supply circuit NO YES Is TP429 2 2V Confirm the OPEN SHORT CIRCUIT of TP429 and later circuit NO Is the battery power supply of TP432 OK YES Is IC402 3 pin more than 0 6V Confirm Q406 Confirm IC402 and Q401 Confirm the battery Confirmation of the audio circuit Are there output signals at TP439 and TP440 NO YES Remote cont or insidephone is broken YES YES Are there input signals at 1C501 21 and 22 pins Is IC201 65 pin L NO IC201 66 pin H Confirm the power Confirm the power supply of IC101 SEIEN supply of IC501 40 Confirmation of the remote controller Display TP436 TP436 power supply for display data waveform OK NO YES NO Remote cont is broken Is TP429 2 2V YES I i 2 2Vp p i i JE E BEE
8. U phase input terminal 19 SPVIN SPIN detection comparator V phase input terminal 20 SPWIN l SPIN detection comparator W phase input terminal 21 SPCOM SPIN motor coil neutral point input terminal 22 RIB Soft switching gain control resistor terminal 23 CST l Startup oscillation capacitor terminal 24 CSL1 l Slope capacitor connection terminal 1 25 CSL2 l Slope capacitor connection terminal 2 26 FG O FG output terminal 27 BRK Brake comparator input terminal 28 BRK Brake comparator input terminal 29 ASGND Small signal block GND Bip 30 SGND Small signal block GND MOS 31 S1 l Stepping decorder 1 input terminal 32 S2 l Stepping decorder 2 input terminal 33 3 l Stepping decorder 3 input terminal 34 BEMFU O Step detect comparator U output terminal 35 BEMFV O Step detect comparator V output terminal 36 BEMFW O Step detect comparator W output terminal 37 SLCOM l Step motor coil center input terminal 38 SLPG2 Stepping power unit s GND 2 39 SLWOUT O Stepping motor W output terminal 54 Pin Mark I O Function No Division 40 SLVM2 Stepping power unit s power supply 2 41 SLVOUT O Stepping motor V output terminal 42 SLPG1 Stepping power unit s GND 1 43 SLUOUT O Stepping motor U output terminal 44 SLVM1 l Stepping power unit s power
9. knob when assembling Cabinet ass y Boss of switch 5 2 Replacement for the lock unit open knob and intermediate cabinet Follow the Step 1 Step 3 of item 5 1 Step 1 Release the calw and then remove the P C B and mechanism unit P C B Claw J Mechanism unit Nag Sn o STY SR gt NOTE Locate the mechanism unit as the turn table s faced up Step 2 Push the open knob and then remove the intermediate cabinet ass y from the disc cover ass y Intermediate cabinet ass y Step 3 Remove the intermediate cabinet ass y Step 5 gz RE a lock unit Intermediate cabinet ass y Open knob Intermediate cabinet Step 6 Release the 4 claws and then remove the open knob Notice for installing the lock unit Make sure the boss of lock unit are fit in the hole of open knob when assembling Intermediate cabinet ass y NN Lock unit Hole of open knob 5 3 Replacement for the disc cover ass y Follow the Step 1 Step 3 of item 5 1 Follow the Step 1 Step 3 of item 5 2 Step 2 Remove the link units L and R Link unit L O p Link unit R SA de IK Z F Disc cover ass y Step 1 5 4 Replacement for the traverse motor Follow the Step 1 Step 3 of item 5 1 Connector Step 1 CP1 Ox5 Connector CP301 Connector CP302 Step 2 Unsolder the rechargeable Step 3 battery te
10. supply 1 45 VCC2 Small signal block power supply terminal 2 Bip 46 vcc1 Small signal block power supply terminal MOS 47 VG O Charge pump output terminal 48 C2M Charge pump capacitor 2 terminal 49 C2P Charge pump capacitor 2 terminal 50 CIM Charge pump capacitor 1 terminal 51 CIP Charge pump capacitor 1 terminal 52 EXTCLK _ Synchronize clock input terminal Not used open 53 NC Not used open 54 H2PG2 H bridge 2 power unit s GND 2 55 H2ROUT O H bridge 2 reverse output terminal 56 H2VM H bridge 2 power unit s power supply 57 H2FOUT O H bridge 2 forward output terminal 58 H2PG1 H bridge 2 power unit s GND 1 59 H1PG2 H bridge 1 power unit s GND 2 60 HIROUT O H bridge 1 reverse output terminal 61 H1VM l H bridge 1 power unit s power supply 55 Pin Mark I O Function No Division 62 H1FOUT O H bridge 1 forward output terminal 63 H1PG1 H bridge 1 power unit s GND 1 64 IN1F H bridge 1 forward input terminal 13 Caution in Use of Rechargeable Battery Ass y Take Rechargeable Battery Ass y out of Battery Carrying Case and use it Be sure to carry Rechargeable Battery Carrying Case If not it may either heat or ignite by shorting with a metal as shown in Fig 10 Fig 10 OPEN 1 PUSH 14 Supply of Rechargeable Battery Ass y as Replacement
11. 01 C319 20 ECUENA104KBQ 10V 0 1U 2 F1G1A104A014 C323 25 ECUE1H222KBQ 50V 2200P 3 F1G1H222A457 C330 33 ECUVNJ105KBV 63V 1U 4 F1H0J105A002 C401 F3Z0J336A002 6 3V 33U 1 C402 RCSTOGZ106RG 4V 10U 1 F3E0G106A002 C404 F3Z0J336A002 6 3V 33U 1 C405 F3Z0J106A001 6 3V 10U 1 C406 07 RCSTOGZ106RG 4V 10U 2 F3E0G106A002 C410 ECUENA104KBQ 10V 0 1U 1 F1G1A104A014 C411 12 ECUE1C103KBQ 16V 0 01U 2 C501 RCSTOGZ106RG 4V 10U 1 F3E0G106A002 C502 ECUENA104KBQ 10V 0 1U 1 F1G1A104A014 C503 04 ECUVNJ105KBV 63V 1U 2 F1H0J105A002 C505 RCSTOGZ106RG 4V 10U 1 F3E0G106A002 C506 ECUVNJ105KBV 63V 1U 1 F1H0J105A002 C507 08 RCSTOEX227RE 2 5V 220U 2 F3G0E2270001 C509 RCSTOGZ106RG 4V 10U 1 F3E0G106A002 C511 12 ECUE1H331KBQ 50V 330P 2 F1G1H331A402 C515 16 ECUVNA224KBV 10V 0 22U 2 F1H1A224A028 C517 RCST0GZ475RG 4V 4 7U 1 F3E0G475A002 C523 24 ECUENA104KBQ 10V 0 1U 2 F1G1A104A014 CP1 RJS2A7121T CONNECTOR 21P 1 K1MN21B00028 CP301 02 RJS2A7104T CONNECTOR 4P 2 K1MN04A00014 D401 RB491DT146 DIODE 1 BOJCMC000004 D402 03 RB081L20TE25 DIODE BOJCRC000002 IC1 AN8677FHKEBV IC 1 IC101 MN66620RF IC 1 IC201 MN101C32GAE IC 1 IC202 AK93C45BH L Ic 1 C3EBCG000028 IC203 COEBC0000032 IC 1 IC301 C0GBZ0000006 IC 1 IC401 XC6367A151MR Ic 1 CODBAFZ00012 IC402 CODBAFZ00017 IC 1 IC501 TA2131FL IC 1 JK501 RJJ36TA02 C JACK HEADPHONE 1 K2HC106E0003 L201 RLQP100MT W COIL 1 G1C100M00016 L305 ELJEA470KF COIL 1 L401 RLQP100MT W COIL 1 G1C100M00016 L402 RLZ0038T T COIL 1 G1C270MA0011 L403 RLQP100MT W COIL 1 G1C
12. 100M00016 L406 ELJEA470KF COIL 1 L501 02 RLBV601V W COIL 2 J0JCC0000059 P1 RPK1522 PACKING CASE 1 P2 RPQ0575 PAD 1 P3 RPF0257 1 PROTECTION BAG UNIT 1 60 Ref No Part No Part Name amp Description Pcs Remarks PCB1 REP3063A M MAIN P C B ASS Y 1 RTL Q1 2SB1295 6 TB TRANSISTOR 1 B1ADKB000001 Q5 XP152A12COMR TRANSISTOR 1 B1DHAC000002 Q201 2SD1819ASTX TRANSISTOR 1 2SD1819ASL Q202 2SB1295 6 TB TRANSISTOR 1 B1ADKB000001 Q401 XP151A13A0MR TRANSISTOR 1 B1DFBC000003 Q402 03 XP152A12COMR TRANSISTOR 2 B1DHAC000002 Q404 05 XP151A13A0MR TRANSISTOR 2 B1DFBC000003 Q406 07 2SB1218ASTX TRANSISTOR 2 2SB1218ASL Q408 XP4601TX TRANSISTOR 1 XP0460100L R2 ERJ2GEJ471X 1 4W 470 1 ERJ2RMJ471X R5 ERJ2GEJ1R0X 1 4W 1 1 ERJ2RMJ1R0X R6 ERJ2GEJ103X 1 4W 10K 1 ERJ2RMJ103X R7 ERJ2GEJ223X 1 4W 22K 1 ERJ2RMJ223X R8 ERJ2GEJ474X 1 4W 470K 1 ERJ2RMJ474X R102 ERJ2GEJ221X 1 4W 220 1 ERJ2RMJ221X R103 ERJ2GEJ123X 1 4W 12K 1 R104 ERJ2GEJ333X 1 4W 33K 1 ERJ2RMJ333X R105 ERJ2GEJ221X 1 4W 220 1 ERJ2RMJ221X R106 ERJ2GEJ105X 1 4W 1000K 1 DOGA105JA001 R110 11 ERJ2GEJ102X 1 4W 1K 2 ERJ2RMJ102X R201 ERJ2GEJ103X 1 4W 10K 1 ERJ2RMJ103X R202 ERJ2GEJ473X 1 4W 47K 1 ERJ2RMJ473X R203 ERJ2GEJ221X 1 4W 220 1 ERJ2RMJ221X R204 ERJ2GEJ332X 1 4W 3 3K 1 ERJ2RMJ332X R205 ERJ2GEJ682X 1 4W 6 8K 1 ERJ2RMJ682X R206 ERJ
13. 16 Cabinet Parts Location 17 Packaging H010200000 SW HH t 2001 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law 62
14. 2GEJ223X 1 4W 22K 1 ERJ2RMJ223X R207 ERJ2GEJ471X 1 4W 470 1 ERJ2RMJ471X R208 EXB24V224JX 1 16W 220K 1 R210 ERJ2GEJ104X 1 4W 100K 1 ERJ2RMJ104X R218 ERJ2GED273X 1 4W 27K 1 ERJ2RHD273X R219 ERJ2GEJ104X 1 4W 100K 1 ERJ2RMJ104X R221 EXB24V103JX 1 16W 10K 1 R222 EXB24V224JX 1 16W 220K 1 R225 ERJ2GEJ223X 1 4W 22K 1 ERJ2RMJ223X R301 ERJ2GEJ103X 1 4W 10K 1 ERJ2RMJ103X R302 ERJ2GEJ1R0X 1 4W 1 1 ERJ2RMJ1R0X R303 ERJ2GEJ682X 1 4W 6 8K 1 ERJ2RMJ682X R304 ERJ2GEJ471X 1 4W 470 1 ERJ2RMJ471X R313 EXB24V473JX 1 16W 47K 1 R401 ERJ2GEJ225X 1 4W 2 2M 1 ERJ2RMJ225X R402 03 EXB24V474JX 1 16W 470K 2 R404 ERJ2GEJ274X 1 4W 270K 1 DOGA274JA001 R405 ERJ2GEJ105X 1 4W 1000K 1 DOGA105JA001 R406 EXB24V474JX 1 16W 470K 1 R407 ERJ2GEJ103X 1 4W 10K 1 ERJ2RMJ103X R408 ERJ3GEYJ101V 1 16W 100 1 R409 EXB24V474JX 1 16W 470K 1 R501 EXB24V392JX 1 16W 3 9K 1 R504 EXB24V103JX 1 16W 10K 1 R506 ERJ3GEYJ225V 1 16W 2 2M 1 61 Ref No Part No Part Name amp Description Pcs Remarks R507 EXB24V100JX 1 16W 10 1 R509 ERJ2GEJ221X 1 4W 220 1 ERJ2RMJ221X R512 ERJ3GEYJ225V 1 16W 2 2M 1 S201 02 RSG0051 P SW VOLUME 2 S203 04 EVQPULO2K SW SKIP SEARCH 2 206 EVQPUL02K SW PLAY STOP 1 207 RSH1A039 A SW COVER OPICL DET 1 KOL1BA000037 S208 RSS2A010 1A SW HOLD 1 K0D112B00071 X101 H2D169500012 OSCILLATOR 1 X201 H2D400400010 OSCILLATOR 1 Z401 RJH9212 1 CONNECTOR TERM 1 Z402 K4ZZ01000154 CONNECTOR 1
15. A EKSPONERING FOR STR LEN UNSICHTBARE LASERSTRAHLUNG WENN ABDECKUNG GE FFNET NICHT DEM STRAHL AUSSETZEN 3 Operating Instructions 4 Handling Precautions for Traverse Deck The laser diode in the traverse deck 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 traverse deck optical pickup 4 1 Handling the traverse deck optical pickup a The traverse deck optical pickup is an extremely high precision construction and must not be subjected to impact excessive vibration or other types of rough handling 2 In order to prevent static electricity damage to the laser diode use a short pin or similar tool to short the optical pickup s flexible circuit boards after they have been disconnected from the main circuit board as shown in Fig 1 3 Handle the flexible circuit boards with care excessive force could cause them to be broken 4 Do not turn the pre set variable resistor for adjustment of the laser power it has been adjusted at the factory as shown in Fig 2 Fig 2 li LB 4 2 Grounding for electrostatic breakdown prevention party L 1 Human body grounding Use the anti static wrist strap to discharge the static electricity from your body as shown in Fig 3 2 Work table grounding Put a conduct
16. A457 C19 ECUENA104KBQ 10V 0 1U 1 F1G1A104A014 C20 RCST0GZ106RG 4V 10U 1 F3E0G106A002 C23 ECUENA104KBQ 10V 0 1U 1 F1G1A104A014 C24 ECUE1C103KBQ 16V 0 01U 1 C28 RCST0GZ106RG 4V 10U 1 F3E0G106A002 C65 ECUENH272KBQ 50V 2700P 1 C66 ECUENA823KBQ 10V 0 082U 1 C101 ECUE1C223KBQ 16V 0 022U 1 F1G1C223A044 C102 ECUE1C103KBQ 16V 0 01U 1 C103 ECUENA104KBQ 10V 0 1U 1 F1G1A104A014 C105 ECUVNA224KBV 10V 0 22U 1 F1H1A224A028 C106 ECUENA104KBQ 10V 0 1U 1 F1G1A104A014 C107 RCST0GZ106RG 4V 10U 1 F3E0G106A002 C110 11 ECUE1E682KBQ 25V 6800P 2 C114 ECUENA104KBQ 10V 0 1U 1 F1G1A104A014 C116 ECUE1C822KBQ 16V 8200P 1 F1G1C8220002 C117 18 ECUENA104KBQ 10V 0 1U 2 F1G1A104A014 C119 RCSTOEX227RE 2 5V 220U 1 F3G0E2270001 C201 ECUE1C103KBQ 16V 0 01U 1 C202 ECUE1H101KBQ 50V 100P 1 C203 RCST0GZ106RG 4V 10U 1 F3E0G106A002 C204 ECUENA104KBQ 10V 0 1U 1 F1G1A104A014 C206 ECUE1H101KBQ 50V 100P 1 C210 ECUE1C103KBQ 16V 0 01U 1 C211 ECUVNJ474KBV 63V 0 47U 1 F1H0J474A002 C212 ECUE1C103KBQ 16V 0 01U 1 C303 RCST0GZ226RG 4V 22U 1 F3E0G226A002 C304 06 ECUENA104KBQ 10V 0 1U 3 F1G1A104A014 C307 RCST0GZ106RG 4V 10U 1 F3E0G106A002 59 Ref No Part No Part Name amp Description Pcs Remarks C308 ECUENA104KBQ 10V 0 1U 1 F1G1A104A014 C309 11 ECUENC333KBQ 16V 0 033U 3 F1G1C333A004 C318 ECUVNJ274KBV 63V 0 27U 1 F1H0J27400
17. IECE 1 6 2 RGU1916 S OPERATION BUTTON 1 6 3 RGU1917 S VOLUME BUTTON 1 6 4 RGV0268 S HOLD KNOB 1 7 RHD14076 S SCREW 6 8 RKK0141 S RECHARGEABLE BATT COVER 1 9 RDG0477 INTERMEDIATE GEAR 1 10 RHD14078 SCREW 1 11 RHW11011 WASHER 1 12 RMC0392 2 SPRING 1 13 RXK0324 TRAVERSE UNIT 1 13 1 BRL1A1CWB TRAVERSE MOTOR 1 13 2 RHD14074 SCREW 1 13 3 RJC99038 RECHARGE BATT TERMINAL 1 13 4 XQN14 B2FC SCREW 1 58 Ref No Part No Part Name amp Description Pcs Remarks 13 5 RMX0156 1 STOPPER RUBBER 1 14 RJR0195 2 BATTERY SHAFT 1 15 RAF2000A M OPTICAL PICKUP 1 ch 16 RXJ0025 DRIVE SHAFT 1 17 RHD14067 SCREW 5 18 RJC99039 RECHARGE BATT TERMINAL 1 A1 RP BP62EYS1 RECHARGEABLE BATT ASS Y 1 A1 1 RFA0475 Q RECHARGEABLE BATT CASE 1 A2 K3ZZ00200038 EXTERNAL BATTERY CASE 1 A3 RFC0056 K CARRING CASE 1 A4 RFEV025P SM WIRED REMOTE CONTROL 1 A4 1 RYQ0312 W REMOCON CLIP 1 A5 LOBAB0000162 STEREO EARPHONES 1 A6 RP BC155AEBY CHARGER 1 EB A6 RP BC155AEYB CHARGER 1 EG A7 RQT5683 B INSTRUCTION MANUAL 1 lt IA gt A8 RQCB0169 SERVICE CENTER LIST 1 C5 RCST0GZ226RG 4V 22U 1 F3E0G226A002 C6 ECUVNJ105KBV 63V 1U 1 F1H0J105A002 C7 C8 ECUVNA224KBV 10V 0 22U 2 F1H1A224A028 c9 ECUVNJ474KBV 63V 0 47U 1 F1H0J474A002 C13 ECUENA104KBQ 10V 0 1U 1 F1G1A104A014 C14 ECUE1H102KBQ 50V 1000P 1 F1G1H102
18. MD cartridge of laser power meter Fig 9 Rubber band 6 2 3 Off set automatic adjustment 1 Remove the mechanism unit from the disc cover Then move the optical pickup to the center and attach the mechanism unit again to the disc cover 2 With T1E displayed leave the disc cover open 3 Pressing the key on the remote controller will start adjustment 4 During adjustment FADJ is displayed on the LCD of the remote controller If there is no abnormality FADJOK will be displayed 5 Pressing the key while FADJOK is displayed will return to the T1E display mode 6 2 4 Magneto optical disc automatically adjustment 1 Have T2E indicated on display and set the full recorded magneto optical disc Check to make sure the disc is properly seated 2 Press M M key of the remote controller The adjustment is started 3 During adjustment AADJ is displayed on the LCD of the remote controller If there is no abnormality AOK will be displayed Note If it is displayed ANG check 7 Troubleshooting Guide in the order 31 4 Press M key AOK or ANG changes to T2E 5 After the adjustment is finished remove the disc 6 2 5 Playback only disc automatic adjustment 1 Have T3E indicated on display set the playback only disc Check to make sure the disc is properly seated 2 Press M M key of the remote controller
19. ORDER No AD0101008C2 ervice Manual Portable MD Player SJ MJ88 MD unit RAE1611Z Mechanism Series Colour C RSE Silver Type Areas qg ut If at SPECIFICATIONS Specifications Audio System Laser Sampling frequency Coding No of channels Frequency response Wow and flutter General Output terminal Output Jack Power output Power supply Rechargeable battery Battery Dimensions WxHxD Cabinet dimensions incl projecting parts Weights Play time MiniDisc digital audio system Semiconductor laser 780 nm 44 1 kHz Adaptive Transform Acoustic Coding ATRAC 2 left and right stereo 1 monaural 20 Hz 20 kHz 0 dB 8dB Below measurable limit Phones 22 3 5 mW 3 5 mW DC 1 2V included rechargeable battery DC 1 5V One LR6 AA UM 3 battery 71 5x78 5x11 8 mm 74 1x80 1x13 9 mm 79 g with battery 54 g without battery When used in hold mode at 25 C on a flat stable surface Battery type Rechargeable Play time About 18 hours Panasonic About 70 alkaline hours Both together About 88 hours Charger Input AC120 240 V EG AC 230 240V EB 50 Hz 4W Output DC 340mA EG DC 350mA EB 1 2V Recharging time About 2 hours Notes The play time may be less depending on the operating conditions Specifications are subject to charge without notice Weight and dimensions are approximate AA WA
20. Parts Please take note of the following points relating to Battery Carrying Case to be used for protection of Rechargeable Battery Ass y from shorting Replacement Parts Rechargeable Battery Ass y RP BP62EYS1 supplied will be provided with Battery Carrying Case RFA0475 Q No replacement parts will be supplied for Rechargeable Battery Ass y without Battery Carrying Case 56 Replacement parts will be supplied for Battery Carrying Case RFA0475 Q without Rechargeable Battery Ass y To your customers delivery Rechargeable Battery Ass y together with Battery Carrying Case to prevent shorting accidents that may occur when Rechargeable Battery Ass y is carried about Battery Carrying Case as shown in Fig 11 Fig 11 Rechargeabie Battery Case RFA0475 Q 1 1 1 a Br nee eee cd zai o zzz ee ey ee eee Zn Sn ee RE ee ee ee ee ee ee ee ee l Wp aa A ee ee 1 i TE Wi JL NL DE EA i M NL Li i i SE EL e A lo Rechargeabie Battery with Carrying Case RP BP62EYS1 15 Replacement Parts List Notes Important safety notice Components identified by lt 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 t
21. RNING 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 Panasonic 1 Accessories Stereo earphones uuursuenennnnnnnnnnnnnnnnnnnnnnnnnnnen 1 pc LOBAB0000162 Wired remote control uu e2 2200 n00n anno nnnnnnn 1 pc RFEVO25P SM External battery case uusn0u0sn00nennnnnnn Hann nn nenn 1 pc K3ZZ00200038 Rechargeable Ni Cd battery 211 11 1 pc RP BP62EYS1 mC atrying Case RFC0056 K For EB area Charger una u a ate ili RP BC155AEBY For EG area hargerunw a ciwo RP BC155AEYB 2 Precaution of Laser Diode CAUTION This product utilizes a laser diode with the unit turned on invisible laser radiation is emitted fromthe pickup lens Wave length 780 nm Maximum output radiation power from pickup 100 p W VDE Laser radiation from the pickup lens is safety level but be sure the followings 1 Do not disassemble the optical pickup unit since radiat
22. The adjustment is started 3 During adjustment AADJ is displayed on the LCD of the remote controller If there is no abnormality AOK will be displayed Note If it is displayed ONG check 7 Troubleshooting Guide in the order 4 Press P E key OOK or ONG changes to T3E 5 After the adjustment is finished remove the disc 6 2 6 How to get out the adjustment mode Remove the battery when you finish the adjustment 6 3 Checking the main unit s keys a Set the battery and connect the remote controller 2 Turn off the power and switch main unit s HOLD switch OFF 3 Press the VOL VOL gt and M d keys on the remote controller within two seconds as shown in Fig 5 4 When the unit enters the unit key check mode the display shows T KEX While T KEX is displayed press the Br l gt lt q and VOL keys of the unit in the specified order and then switch off the HOLD switch When thefirst M I key is pressed the display will change to T E mm 32 Main unit s keys LCD display position and letters g After the third key is pressed the second digit displayed ei will change from E to O VOL After the second key is pressed the third digit displayed VOL will change from to O HOLD OFF The first digit displayed will change from to O 5 After all keys ha
23. aser power meter Optical pickup 3 Press the P I key of the remote controller TOE changes to LD of the LCD 28 4 Press the PP key of the remote controller LD changes to LP of the LCD 5 Set the laser power at 600 W 10 by using VOL and VOL key of the remote controller Specified range 600 W 10 Caution Proceeding on to the subsequent adjustment procedure with the read power exceeding 600 u W 10 will result in damage to the optical pickup 6 Set the laser power with the gt gt key of the remote controller LP changes to LDOK in the LCD 7 Press the P I key of the remote controller LDOK changes to TOE on the LDC 8 Remove the laser power meter Laser power adjustment is finished REFERENCE lt For use of MD cartridge type laser power meter gt We recommend you to use a sensor type laser power meter for laser power adjustment of this set But if available is a MD cartridge type only follow the procedure below 1 Disassemble the unit so that only the mechanism unit and the printed circuit board are exposed as shown in Fig 8 2 Set the laser power meter cartridge as shown in Fig 8 3 Set the battery and attach and secure the battery cover with a rubber band as shown in Fig 9 4 Follow the steps for 6 2 1 Enter the adjustment mode Subsequent procedures are the same as those for the sensor type Fig 8 29
24. d 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 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 42 Voltage and signal line Positive voltage line gt Playback signal line 9 Schematic Diagram 11 Block Diagram 12 Terminal Function of IC s 12 1 IC1 AN86772FHKEBV RF AMP 43 Pin Mark I O Function No Division 1 LDO O LD amp output terminal 2 LDIN l LD amp reverse input terminal 3 APCPD Photo diode light quantity det input terminal 4 NC Not used open 5 ARFO O RF amp output terminal 6 NC Not used open 7 EQIN EQ input terminal 8 CRFAGC I RFAGC capacitor connection terminal Connected to power supply through capacitor 9 OUTRF O EFM output terminal 10 NC Not used open 11 PEAK O EFM bright side detection output terminal 12 GND GND terminal 13 BOTM O EFM dark side detection output terminal 14 CEA l 3T envelope det capacitor connection terminal Connected to power supply through capacitor 15 MON3T O 3T envelope output terminal 16 CC O Csignal s dark side detection amplified output terminal 17 DD O Dsignal s dark side detection amplified output terminal 18 VCC Power
25. ference for ADIP comparator 52 FF2 I Servo ADC input terminal 53 AVDD 0 Analog power supply 54 FF1 Servo ADC input terminal 55 AVSS 0 Analog GND 56 DD Servo ADC input terminal 57 cc 58 BB 59 AA 60 AVDD 1 Analog power supply 61 AVSS 1 Analog GND 62 AVSS 2 63 ADACL O Audio output terminal L ch 64 ADACR O Audio output terminal R ch 65 AVDD 3 Analog power supply dedicated to audio DAC 66 DVDD 1 Digital power supply 67 DVSS 1 Digital GND 68 SELO Connected to GND 69 RVDD 2 Power supply to internal DRAM 70 RVSS 3 GND to internal DRAM 71 SEL1 I Connected to GND 72 TS1 TS2 73 74 78 MONI4 O Monitor signal output MONIO terminal 4 0 79 TS3 Connected to GND 80 TSCTSY O Microprocessor interrupt for Monitor 48 signal 4 output terminal 12 3 10201 MN101C32GAE SYSTEM CONTROL Pin Mark I O Function No Division 1 VREF AD reference input connected to GND 2 ANO Remote cont key input REM terminal KEY 3 AN1 Unit key input terminal KEY IN 4 AN2 I Battery voltage det input BATT terminal 5 AN3 Not used connected to 6 AN4 GND 7 AN5 8 AN6 9 AN7 Not used connected to power supply terminal 10 VREF AD reference input connected to power supply 11 VDD Power supply terminal 12 OSC2 O System clock output terminal F 6MHz
26. he parts list The parenthesized indications in the Remarks columns specify the areas Refer to the cover page for area Warning This product uses a laser diode Refer to caution statements ACHTUNG Die lasereinheit nicht zerlegen Die lasereinheit darf nur gegen einc vom hersteller spezifizierte einheit ausgetauscht werden Capacity values are in microfarads uF unless specified otherwise P Pico farads pF F Farads F Resistance values are in ohms unless specified otherwise 1K 1 000 OHM 1M 1 000K OHM The marking lt RTL gt indicates that the 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 retentionperiod of availability is dependant 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 lt A gt mark in Remarks indicates languages of instruction manuals lt IA gt English Spanish French German Netherlands Swedish italian Danish Ref No Part No Part Name amp Description Pcs Remarks 1 RHD14088 S SCREW 4 2 RXQ0715 1 LINK UNIT L 1 3 RXQ0716 1 LINK UNIT R 1 4 RYF0563Z S DISC COVER 1 5 RYQ0333 S INTERMEDIATE CABINET 1 5 1 RGV0267 S OPEN KNOB 1 6 RYK1039A S CABINET ASS Y 1 6 1 RGK1309 S JACK P
27. ion from exposed laser diode is dangerous 2 Do not adjust the variable resistor on the pickup unit It was already adisuted 3 Do not look at the focus lens using optical insturments 4 Recommend no to look at pickup lens for a long time GLASS ACHTUNG Dieses Produkt enthalt eine Laserdiode Im eingeschalteten Zustand wird unsichtbare Leserstrahlung von der Laserinheit adgestrahit Wellenlange 780 nm Maximale Strahlungsleistung der Lasereinheit 100 u W VDE Die Strahlungan der Lasereinheit ungef hrlich wenn folgende Punkte beachtet werden 1 Die Lasereinheit nicht zerlegen da die Strahlung an der freigelegten Laserdiode gef hrlich ist 2 Den werkseitig justierten Einstellregler der Lasereinhit nicht verstellen 3 Nicht mit optischen Instrumenten in die Fokussierlines blicken 4 Nicht ber l ngere Zeit in die Fokussierlines blicken LASER PRODUCT LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT DANGER ADVARSEL VARO VARNING ADVARSEL VORSICHT INVISIBLE LASER RADIATION WHEN OPEN AVOID DIRECT EXPOSURE TO BEAM USYNLIG LASERSTRALING VED BNING NAR SIKKERHEDSAFBAYDERE ER UDE AF FUNKTION UNDGA UDS TTELSE FOR STR LING AVATTAESSA JA SUOJA UKITUS OHITETTAESSA OLET ALTTIINA NAKYMATONTA LASERS TEILYLLE ALA KATSO S TEESEEN OSYNLIG LASERSTRALNING NAB DENNA DEL AR PPNAD OCH SPARREN AR URKOPPLAD BETRAKTA EJ STRALEN USYNLIG LASERSTRALING NAR DEKSEL PNES OG SIKKERHEDSLAS BRYTES UNNG
28. ive material sheet or steel sheet on the area where the traverse deck optical pickup is placed and ground the sheet as shown in Fig 4 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 traverse deck optical pickup Fig 3 Wrist strap Anti static bracelet 1M Fig 4 Iron plate or some metals to conduct electricity 5 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 After replacing the main components optical pickup or traverse motor etc of mechanism unit block change to the adjust mode and then perform the ROM RAM auto adjustment 5 1 Checking for the P C B Step 3 Remove the cabinet ass y gt Step 1 Prz x6 Step 2 pen the rechargeable battery cover Step 4 store the rechargeable battery and then close the battery cover Rechargeable battery cover Rechargeable battery NOTE The rechargeable battery should be recharged fully Check the P C B as shown below Notice for installation of the cabinet ass y Make sure the boss of switch are fit in the hold
29. lay control input terminal L ON 51 Pin Mark I O Function No Division 77 PC O 4 ch driver standby output terminal L Standby 78 STBY2 O FD TR coil power supply control output terminal 79 BATTCHK O Battery check output terminal Not used open 80 MSP O MSP reset output terminal RST L Reset 12 4 1C301 COGBZ000006 FOCUS TRACKING COIL TRAVERSE MOTOR DRIVE ROTALY DETECTOR Pin Mark I O Function No Division 1 IN1R H bridge 1 reverse input terminal 2 IN2F H bridge 2 forward input terminal 3 IN2R H bridge 2 reverse input terminal 4 STALL Standby input terminal 5 STHB I H1 H2 bridge mute input terminal 6 SPVM1 l Spindle power unit s power supply 1 7 SPUOUT O Spindle motor coil U output terminal 8 SPPG1 Spindle power units GND1 9 NC Not used open 10 SPVOUT O Spindle motor coil V output terminal 11 SPVM2 l Spindle power unit s power supply 2 12 SPWOUT O Spindle motor coil W output terminal 13 SPPG2 Spindle power unit s GND2 14 PWVM Half bridge power unit s power supply 15 PWOUT O Half bridge output terminal 16 PWPG Half bridge power units GND 17 PWIN1 Half bridge1 input terminal 53 Pin Mark I O Function No Division 18 SPUIN l SPIN detection comparator
30. ntinuous waveform can be checked Refer to 7 2 1 Enter the adjustment mode Continuing from previous page 1C101 21 pin ang ROM IC401 22 pin ROM JI I 2Vp p 100mS 1 0WDIV Does the lens move up and down Between TP401 and 404 NO I0101 21 pin RAM 1C101 22 pin RAM NO 100mS 1 OVIDIV YES waveform is OK Are FODP and FODM waveforms of IC101 20 Between TP401 and 404 ROM 0 5Vp p and 21 pins OK Filter Between TP401 and 404 Confirm IC101 s power RAM YES supply and oscillation Filter 1 0Vp p Are voltages of IC301 56 and 46 pins OK NO Return the mechanism unit 1C301 to the disc cover 56 Battery voltage 2 2V VER Optical pickup or 1C301 is broken Confirm the power supply line IC4 38 pin seine 0 0 1Vp D 1P407 reference IC1 39 pin site O 01V p p TP407 reference 5mS 0 02V DIV IC 1 40 pin maparaan E O005Vp p Insert the disc 1P407 reference NO IC1 41 pin en 0 005Vp p Is TOC reading OK TP407 reference 5mS 0 02V DIV IC1 47 pin AVA N o osvo o 1P407 reference IC1 48 pin NN RN 0 05 Vo p YES 1P407 reference 5mS 0 02V DN Are waveforms of IC1 38 39 40 41 47 i 2 TP408 RAM 0 5Vp p and 48 pins OK TP407 reference 10 u 5 0 1V DIV 1 Is RF waveform at TP411 OK Is ADIP waveform at TP408 OK RAM DISC only W V WKK OW W NY M W
31. ontroller within two seconds as shown in Fig 5 Fig 5 Remote controller Remote controller Remote controller VOL VOL Haa gt gt VOL VOL Press VOL button by your right Release VOL button with keeping Release VOL button with keeping thumb and press VOL button by on pressing VOL button and press on pressing gt button and press your left thumb with keeping on gt gt button by your right thumb 144 button by your left thumb pressing VOL button Release gt button with keeping on 144 button and release mea button 6 When the adjustment mode is activated TOE will be displayed on the LCD of remote controller After TOE is displayed select the desired adjustment item with the PP button or Hd button of the remote controller If it is not displayed perform the procedures written above again 26 Adjustment mode Display Laser power adjustment TOE Off set automatic adjustment T1E Magneto optical disc automatic adjustment T2E Playback only disc automatic adjustment T3E Jitter meajurement 74minutes T4E Jitter meajurement 60 minutes T5E Destination change T6E Off set automatic adjustment value check T7E Magneto optical disc automatic adjustment T8E value check Playback only disc automatic adjustment value T9E check Error rate measurement double velocity TAE ROM collection TBE DRAM check TCE Aging TDE Tilt measu
32. rement TEE PWB inspection TFE In the display of TOE TFE shown above you must adjust TOE T1E T2E and T3E You must perform the adjustment by observing the order TOE T1E T2E T3E 6 2 2 Laser Power Adjustment Adjust each laser power read power for reading play 6 2 2 1 Set the Unit to the Adjustment Mode Cautions About handling the optical pickup and the magnetic head The optical pickup is structured precisely therefore it is very fragile Be careful not to touch it with the edge of the laser power meter Do not touch the lens 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 356 F Therefore avoid adjusting using laser power for a long time because the sensor of the laser power meter may be burned Do not set the unit to the laser power adjustment mode with the MD loaded Doing so may result in damage to the MD 2 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 6 2 2 2 Adjustment Procedure 1 Uncover the laser power meter as shown in Fig 6 Fig 6 TR gil ma Sensor cover 2 Locate the sensor of the laser power meter at a position above the optical pickup horizontally at a level of the disc position as shown in Fig 7 Fig 7 L
33. rminal Remove the FFC from the connector 3 points Step 4 Remove the P C B NOTE FFC Insert a short pin into the traverse unit FFC board Refer to Handling Precautions for Traverse Deck Short pin Step 5 Remove the washer and then Washer pull out the intermediate gear gt iiemedaie gear Step 7 Release the traverse motor from the hook and then remove it in the direction of arrow 5 5 Replacement for the optical pickup Follow the Step 1 Step 3 of item 5 1 Follow the Step 1 Step 5 of item 5 4 20 Claw Qmm lt c T fa ge Z U D ze S o ZO no NO Od Z O D2 025 Mechanism chassis Optical pickup ass y Step 3 Lift up the optical pickup and then remove the drive shaft from the hole of mechanism chassis 22 Optical pickup Step 4 Pull out the drive shaft 1 Use care to prevent damage the optical pickup due to the precision construction 2 Do not touch the lens of the optical pickup Installing the optical pickup Step 1 Align the slot guide of optical Drive shaft pickup with the guide rail of Optical pickup sub shaft Step 2 Install the tip end of m S shaft to the hole of Ss mechanism chassis Mechanism chassis Guide rail of sub shaft Step 3 Install the drive gear ass y to the mechanism chassis Step 4 Latch the claw of spring to the rib
34. s and then tighten the screw so that the portion A of spring interferes with the end of drive gear Drive gear 6 Measurements and Adjustments Note After replacing the main components optical pickup or traverse motor etc of mechanism unit block change to the adjust mode and then perform the Laser power adjustment Off set automatic adjustment and Playback onlydisc magneto optical disc automatic adjustment 6 1 Instruments to prepare 1 Playback only disc Test disc RFKV0006 2 Commercially available recordable disc fully recorded with music magneto optical disc 25 3 Laser power meter LE8010 or compatible meter 4 Remote controller 6 2 Laser power adjustment Off set automatic adjustment Playback only disc magneto optical disc automatic adjustment magnet 6 2 1 Enter the adjustment mode Caution Place the unit on the insulation sheet with the disc cover side facing up 1 a R O N u zur OOo zje KU gt gt Disassemble the unit so that only the mechanism unit and the printed circuit board are exposed Refer to Step1 of the main part replacement procedure 5 2 Replacement for the intermediate cabinet Move the optical pickup to the innermost side and attach the disc cover Set the battery and connect the remote controller Turn off the power and switch main unit s HOLD switch off Press the VOL VOL gt and lt q keys on the remote c
35. supply terminal 19 BB O B signal IV conversion output terminal 20 AA O A signal IV conversion output terminal 21 FE2 O F2 signal IV conversion output terminal 22 FE1 O F signal IV conversion output terminal 23 NC Not used open JA 44 24 Pin Mark I O Function No Division 25 ADIP O ADIP signal output terminal 26 NC Not used open 27 28 RFSWHL Reflectance H L switching signal input terminal 29 RFSWPG Pit Crv switching signal input terminal 30 GND2 GND terminal 31 NC Not used open 32 MONI 3T MON circuit control OFF signal input terminal 33 BPF I ADIP BPF switching signal input terminal 34 LD ON APC circuit control signal input terminal 35 NRFSTBY Standby control signal input terminal 36 NC Not used open 37 38 F1 F1 signal input terminal 39 F2 F2 signal input terminal 40 A A signal input terminal 41 B B signal input terminal 42 VREF O Reference signal output terminal 43 RF2 RF2 signal input terminal 44 RF1 RF1 signal input terminal 45 CENVD D signal detection capacitor connection terminal Not used open 46 CENVC C signal detection capacitor connection terminal Not used open 47 D D signal input terminal 48 C C signal input terminal 12 2 IC101 MN66620RF ATRAC ENCORDER DECORDER SERVO SIGNAL PROCESSOR 45
36. us drive PWM signal output terminal 22 FODM O Focus drive PWM signal output terminal 23 SPDP O Spindle drive PWM signal output terminal 24 SPDM O Spindle drive PWM signal output terminal 25 LDON O Laser power control output terminal 1 ON 0 OFF 26 PVPP Monitor to internal DRAM DRAM1 output terminal Not used open 27 IVDDO Power supply terminal for I O pad 28 DVDDO Digital power supply 29 Xl Crystal oscillator input terminal F 16 9344MHz 30 DVSS 0 Digital GND 31 XO O Crystal oscillator output terminal F 16 9344MHz 32 51P10 STP12 Stepping motor status input terminal 0 2 35 51P00 STP02 O Stepping motor drive signal output terminal 0 2 38 RFSWHL O Laser power control output terminal PIT GRUVE switching 39 RFSWPG O Laser power control output terminal Reflectance switching 40 PEFMS I EFM signal input terminal 41 EFMPLLF O EFM PLL filter output terminal 42 PEFM1 O Loop filter terminal for EFM data slicing Not used open 43 EFMFIL O Input filter switching for EFM data slicing terminal 44 EFMIREF Reference current setting terminal for EFM PLL 47 Pin Mark I O Function No Division 45 ADIP ADIP signal input terminal 46 PEAK I Servo ADC input terminal 47 BTOM 48 BAT 49 GAIRAN 50 MON3T 51 VREFI Servo ADC input voltage re
37. used open 47 HOLD HOLD SW input terminal L HOLD 48 PLAY I PLAY PAUSE KEY input KEY wake up input terminal 49 REM REM KEY input micro KEY computer wake up input WAKEUP terminal 50 DOCTOR Process inspection mode input terminal L Process inspection pulled up to V DD via resistor 50 Pin Mark I O Function No Division 51 BATT Battery check LED drive CHK output terminal Not used LED open 52 JITTER Process inspection output OK terminal Not used open 53 REG2 l Model switching input terminal L MJ88 H MJ80 54 REG3 Recharge switching input terminal 55 Not used open 56 57 EEP CS O EEP ROM chip select output terminal 58 EEP CK O EEP ROM clock output terminal 59 EEP O EEP RAM DATA output DATA O terminal 60 EEP EEP ROM DATA input DATA I terminal 61 64 Not used open 65 MUTE A O Analog mute A output terminal 66 MUTE B O Analog mute B output terminal 67 NRF O RF AMP standby output STBY terminal 68 DRAM l DRAM check input terminal CHK 69 Not used open 70 71 MONI O RF monitor control output OFF terminal H OFF L ON 72 BPF O RF band pass filter control output terminal L WIDE 73 RF O RF power supply control CONT output terminal 74 MUTE Mute mode switching input MODE terminal Connected to GND 75 POWER O Power supply control CNT output terminal 76 ELON l EL disp
38. ve been pressed and there is no abnormality T OOO will be displayed 6 Perform below voltage check about the keys come under if it is not displayed T OOO Main unit s keys Check points ON OFF HOLD TP428 OV 2 2V g IC201 48pin ov 2 2V gt TP421 1 13V 2 2V ail lt lt TP421 1 69V 2 2V VOL TP421 OV 2 2V VOL TP421 0 58V 2 2V Note Refer to 10 Printed Circuit Board Diagram for the test points 7 Remove the battery when you exit from this mode 7 Troubleshooting Guide 33 Overall flowchart 1 Confirmation of the Main unit Note We mentioned Filter beside the waveform about the points d th t troll for necessary the filter when you check the waveforms en Check it with setting the band width ofthe meter about 5 10kHz or connecting the filter shown below Confirm the movement 10kQ Set the battery and O AAA connect the remote cont 10k T 0 01 uF Insert the disc and close the disc cover YES Does T READ display on remote cont s LCD NO Confirmation of the detection of disc cover closing Confirmation of Is TOC read OK NO Confirm the spindle i the remote cont display YES Press the P H key a Confirm the focus u f NO Does it play the track No 1 e Confirm the traverse A NO Are there any sounds x Confirm the audio circuit E YES NO Are all keys operations of the remote cont OK
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