Panasonic SJ-MR220 Service Manual Download

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ORDER No.AD0109126C8

Portable MD Recorder

SJ-MR220

MD unit: RAE1640Z-M Mechanism Series

Colour

(S)...................Silver Type

(W)..................White Type [(GH) area only.]

Areas

EB...................Great Britain.

EG...................Europe.

GCS................Singapore, Malaysia.

GH...................Hong Kong.

Summary of Contents for SJ-MR220

Page 1: ...RDER No AD0109126C8 Portable MD Recorder SJ MR220 MD unit RAE1640Z M Mechanism Series Colour S Silver Type W White Type GH area only Areas EB Great Britain EG Europe GCS Singapore Malaysia GH Hong Kong 1 ...

Page 2: ... ATRAC ATRAC3 No of channels 2 left and right stereo 1 monaural Frequency response 20 Hz 20 kHz 0 dB 8dB Wow and flutter Below measurable limit General Input terminal OPT LINE IN jack Impedance 22k Input level SENS H 178mV SENS L 500mV MIC jack Impedance 600 Input level SENS H 0 4mV SENS L 2 5mV Output terminal Output Jack Phones 22 Power output 3 5 mW 3 5 mW Power supply 2 ...

Page 3: ...urs About 5 5 hours LP2 About 15 hours About 8 hours LP4 About 17 hours About 9 5 hours Panasonic alkaline Normal About 42 hours About 19 hours LP2 About 54 hours About 26 hours LP4 About 62 hours About 34 hours Both together Normal About 54 hours About 25 hours LP2 About 71 hours About 34 hours LP4 About 82 hours About 44 hours Notes The play time may be less depending on the operating conditions...

Page 4: ...H Stereo earphones 1pc L0BAB0000162 Connection cable 1pc K2KA39B00001 For EB area AC adaptor 1pc RFEA003B S For EG GCS areas AC adaptor 1pc N0JCAD000001 For GH area AC adaptor 1pc RFEA004H S Wired remote control 1pc N2QCBD000012 For EB EG GCS areas Wired remote control 1pc N2QCBD000013 2 Precation of Laser Diode 4 ...

Page 5: ...raverse 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 5 ...

Page 6: ... 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 Fi...

Page 7: ...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 Fig 4 5 Operation Checks and Component Replacement Procedures This section describes procedures for checking the operation of the major printed circuit boards and...

Page 8: ...eassembly 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 main P C B Check the main P C B A side as shown below 8 ...

Page 9: ... B side can not be checkesd directly however for the checking of main component parts on P C B refer to the Checking procedures of main components parts on the main P C B B side 5 2 Replacement for the intermediate cabinet Follow the Step 1 Step 3 of item 5 1 9 ...

Page 10: ...5 3 Replacement for the open knob and lock unit Follow the Step 1 Step 3 of item 5 1 Follow the Step 1 Step 3 of item 5 2 5 4 Replacement for the traverse motor Follow the Step 1 Step 3 of item 5 1 10 ...

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Page 12: ...5 5 Replacement for the LCD Follow the Step 1 Step 3 of item 5 1 Follow the Step 1 Step 3 of item 5 2 12 ...

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Page 14: ...5 6 Replacement for the lift motor Follow the Step 1 Step 3 of item 5 1 Follow the Step 1 Step 3 of item 5 2 Follow the Step 1 of item 5 5 14 ...

Page 15: ...5 7 Replacement for the optical pickup Follow the Step 1 Step 3 of item 5 1 Follow the Step 1 Step 3 of item 5 2 Follow the Step 1 Step 4 of item 5 4 Follow the Step 1 of item 5 5 15 ...

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Page 17: ...jsutments 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 auto adjustment and playback only disc magneto optical disc auto adjustment 6 1 Instruments to prepare 1 Playback only disc Test disc RFKV0006 17 ...

Page 18: ...ment as for the method of disassembly refer to 5 Operation checks and main component replacement procedures 6 2 Laser power adjustment Playback only disc magneto optical disc auto adjustment 6 2 1 Enter the adjustment mode 1 Set the battery and connect the remote controller 2 Turn off the power and switch main unit s HOLD switch off 3 Press the buttons of the remote controller in order from 1 to 4...

Page 19: ...y Laser power adjustment T0 Off set automatic adjustment T1 Magneto optical disc automatic adjustment T2 Playback only disc automatic adjustment T3 Automatic adjustment value check T4 EFM jitter meajurement T5 REC jitter meajurement T6 Area setting T7 Open T8 Error rate measurement double velocity T9 Open TA ROM collection check sum TB DRAM check TC Reliability test TD Tilt measurement disc middle...

Page 20: ...the write power to even momentarily reach or exceed 6mW 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 Laser diode in the optical pickup may be destroyed by the staticelectricity generated in your clothes or body Be especially careful with the static electricity 6 2 2 2 Adjustmen...

Page 21: ...he read power adjustment Set the light power at 600 W 10 by using VOL VOL EQ and PLAY MODE keys of the remote controller In the laser power adjustment EQ and PLAY MODE keys change every 8 steps for VOL and VOL keys change 1 step Note EQ and PLAY MODE keys are applied for only GH area For other areas those keys are not applied Perform with only VOL and VOL keys Caution 21 ...

Page 22: ...o the optical pickup 8 Press the key of the remote controller RLDA changes to LP on the LDC At this time the data is written to EEPROM 9 Press the PLAY key on the remote controller LP changes to T0 on the LCD 10 Remove the laser power meter Laser power adjustment is finished 6 2 3 Off set automatic adjustment 1 After laser power adjustment performed press the key of the remote controller and make ...

Page 23: ...stment 1 Have T3 indicated on display and move the optical pickup to around center 2 Set the playback only disc 3 Press the PLAY key of the remote controller T3 changes to 10ADJ on the LCD adjusment is started 4 If it has been finished normally 10ADJ changes to 00OK or 10OK on LCD If it is abnormally it changes to 10NG 5 Press the PLAY key 00OK or 10OK or 10NG changes to T3 playback only disc adju...

Page 24: ... Mian unit s keys LCD display positions and letters HOLD OFF 1st 2nd letters are AA REC PAUSE 3rd 4th letters are BB EDIT 5th 6th letters are CC STOP 7th 8th letters are DD PLAY 9th 10th letters are EE 5 Remote controller s LCD GH area only lights T and main unit s LCD lights all when you can detect all keys 6 Perform below voltage check about the keys come under if you cannot detect the key Main ...

Page 25: ...h letter Flat pad upper rank 3 keys 9 Upon detection of all keys 000 is shown on the right side of LCD of the remote control GH area only 10 Perform below voltage check about the keys come under if you cannot detect the key Main unit s keys Check points ON OFF Flat pad 1 IC501 65 67pin 2 2V 0V 11 Remove the battery when you exit from this mode Note Refer to 12 Printed Circuit Board and Wiring Conn...

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Page 34: ...Procedures of Main Components Parts on the Main P C B B side As it cannot meajure the mechanism side of MAIN P C B directly refer to the table shown below for the criterion in the time of repairing or checking 34 ...

Page 35: ...orm normal check FPC condition of solder around lift motor and nothing unusual is found replace the motor If drive wave form unusual check supply voltage of IC401 and peripheral solder and nothing unusual is found replace IC401 IC601 C0FBAJ000008A D CONVERTER Optical input permits recording but line input does not MIC recording is impracticable Make sure of IC101 pin 27 input wave form during MIC ...

Page 36: ...hematic diagram may be modified at any time with the development of new technology Notes S1 Magnetic head up switch M HEAD UP S2 1 Open close det switch OPEN CLOSE S2 2 PROTECT det switch S801 Play record pause operation on character type button CHARA S802 Recording pause operation on LP recording switch REC LP MODE S803 Stop operation off edit cancel button OPR OFF S804 Enterling edit mode comple...

Page 37: ...rts 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 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 Positive voltage line Playback signal line Recording signal digi...

Page 38: ...10 NC Not used open 11 PEAK O EFM bright side det output terminal 12 GND GND terminal 13 BOTM O EFM dark side det output terminal 14 CEA I 3T envelope det capacitor connection terminal Connected to power supply through capacitor 15 MON3T O AS 3TMON signal output terminal 16 CC O C signal dark side det amplifier output terminal 17 DD O D signal dark side det amplifier output terminal 18 VCC I Power...

Page 39: ...rminal 34 LDON I ACP circuit control signal input terminal 35 NRFSTBY I Standby control signal input terminal 36 TEMP O Temperature sensor amp output terminal 37 TEMP IN I Temperature sensor amp input terminal 38 F1 I F1 signal input terminal 39 F2 I F2 signal input terminal 40 A I Main beam A signal input terminal 41 B I Main beam B signal input terminal 42 VREF I Reference voltage input terminal...

Page 40: ...ignal output terminal 5 CLV2 O High speed select signal output terminal 6 REFM O EFM signal output terminal 7 SPDM O Spindle drive signal output terminal 8 SPDP O Spindle drive signal output terminal 9 FODM O Focus drive signal output terminal 10 FODP O Focus drive signal output terminal 11 TRDM O Tracking drive signal output terminal 12 TRDP O Tracking drive signal output terminal 13 DVDD0 Power ...

Page 41: ... DRVSEL I Driver mode select input terminal 23 DATA FG I CD data FG input terminal 24 BCK I CD bit clock input terminal 25 LRCK I CD word clock input terminal 26 FS384 O External ADC DAC clock output terminal 27 SDAR I Audio data input terminal 28 SDAP O Audio data output terminal 29 SWS O Word clock output terminal 30 SCL O Bit clock output terminal 31 RX2 I Digital audio interface 2 input termin...

Page 42: ...r 3 output terminal Not used open 46 NRST I Hardware reset signal input terminal 47 PWMVSS GND terminal 48 ADACR O Audio Rch output terminal 49 ADACL O Audio Lch output terminal 50 PWMVDD Power supply terminal 51 AVSS0 GND terminal 52 PEAK I Servo A D converter input terminal 53 BOTM I Servo A D converter input terminal 54 OSC I Servo A D converter input terminal 55 MON3T I Servo A D converter inp...

Page 43: ... Reference voltege for EFMPLL setting input terminal 70 ADIP I ADIP signal input terminal 71 AVDD1 Power supply terminal 72 MONI0 O Monitor 0 output terminal 73 RAD11 O Address for DRAM 11 output terminal 74 RAD10 O Address for DRAM 10 output terminal 75 RAD9 O Address for DRAM 9 output terminal 76 RAD8 O Address for DRAM 8 output terminal 77 RAD7 O Address for DRAM 7 output terminal 78 RAD6 O Add...

Page 44: ...I O Data for DRAM 0 input output terminal 92 NRAS O Load address strobe for DRAM signal output terminal 93 NCAS O Calam address strobe for DRAM signal output terminal 94 NEW O Write enable signal for DRAM output terminal 95 TS2 I Test input terminal Not used connected to GND 96 DVSS0 GND terminal 97 XO O Crystal oscillator output terminal F 16 9344MHz 98 XI I Crystal oscillator input terminal F 16...

Page 45: ...motor coil V output terminal 11 SP VM2 I Half bridge input terminal 12 SP W OUT O Spindle motor coil W output terminal 13 SP PG2 GND terminal 14 PWVM I Power supply terminal 15 PWOUT O Hlaf bridge 1 output terminal Not used open 16 PWPG GND terminal 17 PWIN1 GND terminal 18 SP U IN I Roter position detect comparater U input terminal 19 SP V IN I Roter position detect comparater V input terminal 20...

Page 46: ...inal 32 S2 I Stepping decorder 2 input terminal 33 S3 I Stepping decorder 3 input terminal 34 BEMFU O Step detect comparater U output terminal 35 BEMFV O Step detect comparater V output terminal 36 BEMFW O Step detect comparater W output terminal 37 SLCOM I Step motor coil center input terminal 38 SLPG2 GND terminal 39 SLWOUT O Stepping motor W output terminal 40 SLVM2 I Power supply terminal 41 S...

Page 47: ... Not used open 53 NC Not used open 54 H2 PG2 GND terminal 55 H2 R OUT O H bridge 2 reverse output terminal 56 H2 VM I Power supply terminal 57 H2 F OUT O H bridge 2 forward output terminal 58 H2 PG1 GND terminal 59 H1 PG2 GND terminal 60 H1 R OUT O H bridge 1 reverse output terminal 61 H1 VM I Power supply terminal 62 H1 F OUT O H bridge 1 forward output terminal 63 H1 PG1 GND terminal 64 IN 1F I ...

Page 48: ... 10 VREF I Reference voltage input terminal 11 VDD I Power supply terminal 12 OSC2 I System clock input terminal f 10 02MHz 13 OSC1 O System clock output terminal f 10 02MHz 14 VSS GND terminal 15 XI I Sub clock input terminal Not used connected to GND 16 XO O Sub clock output terminal Not used open 17 MMOD Memory mode select input terminal Connected to GND 18 REM DATA O LCD driver data output ter...

Page 49: ...tic head EFM drive output terminal 31 OPENSW I Disc cover open close switch det input terminal H open L close 32 WAKEUP I Micro computer wake up signal input terminal 33 SCTSY I ADIP sub A synchronize signal from IC101 input terminal 34 CFSYNC I MDA synchronize signal from IC101 input trminal 11 6ms pulse 35 MDISY I Leader synchronize signal from IC101 input terminal 36 LCD DATA O LCD driver data ...

Page 50: ...reset output terminal 48 EL ON I EL display control input terminal 49 DC IN WAKEUP I DC IN wake up input terminal 50 LCDCNT O LCD power cont output terminal H ON 51 MONIOFF O 3T monitor OFF output terminal H OFF 52 MUTEA O Analog mute A output terminal 53 MUTEB O Analog mute B output terminal 54 NC Not used open 55 DEBUG1 O Micro computer debug output terminal 56 DEBUG2 O Micro computer debug outp...

Page 51: ...t output terminal 71 HFON1 I HF module ON 1 input terminal 72 RECCNT2 O REC control 2 output terminal 73 RFCNT O RF power supply control output terminal 74 RECCNT1 O REC control 1 output terminal 75 PWRCNT O Power supply control output terminal 76 FPOUT3 O Flat pad output terminal 77 PC O 4ch driver standby output terminal 78 STBY2 O FD TR coil power supply control output terminal 79 NRFSTBY O RF ...

Page 52: ...ller 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 RTL 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...

Page 53: ...EB EG 11 RYK1124B S CABINET ASS Y 1 GH S 11 RYK1124B W CABINET ASS Y 1 GH W 11 RYK1124C S CABINET ASS Y 1 GCS 12 RHD14094 S SCREW 6 13 RKK0151 S RECHARGEABLE BATT COVER 1 S 13 RKK0151 W RECHARGEABLE BATT COVER 1 W 14 RHD14080 SCREW 1 15 BRL1A1CWD LIFT LEVER 1 16 RDG0482 1 REDUCTION GEAR 1 17 RHW06001 WASHER 1 18 RMB0650 EJECT SPRING 1 19 RMC0232 SPRING 1 20 RML0586 3 LIFTER 1 21 RML0587 3 LINK 1 2...

Page 54: ... INSTRUCTION MANUAL 1 GH GCS IC A8 K2KA39B00001 CONNECTION CABLE 1 A9 RQCB0169 SERVICE CENTER LIST 1 C1 ECUVNA224KBV 10V 0 22U 1 F1H1A224A028 C2 ECUVNA105ZFV 10V 1U 1 F1H1A105A030 C3 ECUVNC104ZFN 16V 0 1U 1 F1J1C104A081 C4 ECUE1E472KBQ 25V 4700P 1 F1G1E4720004 C5 ECUVNJ105KBV 6 3V 1U 1 F1H0J105A002 C20 21 ECUVNA224KBV 10V 0 22U 2 F1H1A224A028 C30 RCST0GZ106RG 4V 10U 1 F3E0G106A002 C31 ECUENA104KBQ...

Page 55: ...C111 ECUE1H470JCQ 50V 47P 1 F1G1H470A422 55 ...

Page 56: ...J397A012 C302 RCST0JX107RG 6 3V 100U 1 F3G0J1070002 C303 F3Z0G107A003 4V 100U 1 C304 RCST0JY226RG 6 3V 22U 1 F3F0J2260002 C305 ECUVNJ105KBV 6 3V 1U 1 F1H0J105A002 C306 ECUENA104KBQ 10V 0 1U 1 F1G1A104A014 C308 10 ECUENA104KBQ 10V 0 1U 3 F1G1A104A014 C312 ECUENA104KBQ 10V 0 1U 1 F1G1A104A014 C313 ECUE1C103KBQ 16V 0 01U 1 C316 F1J0J1060001 6 3V 10U 1 C317 F1J0J4750005 6 3V 4 7U 1 C318 ECUENA104KBQ 1...

Page 57: ... 0 01U 1 C806 ECUE1C103KBQ 16V 0 01U 1 C901 RCST0GZ226RG 4V 22U 1 F3E0G226A002 C902 ECUVNA224KBV 10V 0 22U 1 F1H1A224A028 C903 ECUENA473KBQ 10V 0 047U 1 F1G1A473A014 C904 ECUVNA224KBV 10V 0 22U 1 F1H1A224A028 C905 07 ECUE1E472KBQ 25V 4700P 3 F1G1E4720004 C908 ECUENA104KBQ 10V 0 1U 1 F1G1A104A014 C909 ECUE1C103KBQ 16V 0 01U 1 C911 ECUENA104KBQ 10V 0 1U 1 F1G1A104A014 C912 RCST0GZ106RG 4V 10U 1 F3E0...

Page 58: ... RJJ36TK06 C JACK HEADPHONE 1 K2HC106E0002 JK301 K2EA2A000001 JACK DC IN 1 JK701 RJJ38TW01 H JACK OPT LINE 1 B3MBZ0000002 JK702 K2HC103E0016 JACK MIC 1 L1 RLQP1R0KT2 Y COIL 1 G1C1R0K00005 L101 RLQP100MT W COIL 1 G1C100M00016 L201 02 RLBV601V W COIL 2 J0JCC0000059 L203 G1C100Z00011 COIL 1 L301 G1A220D00002 COIL 1 L302 G1A150D00002 COIL 1 L303 ELJEA470KF COIL 1 L305 RLM9Z006T D COIL 1 J0LC00000008 L...

Page 59: ...472X R2 ERJ2GEJ272X 1 4W 2 7K 1 ERJ2RMJ272X R3 ERJ2GEJ1R5X 1 4W 1 5 1 R4 ERJ2GEJ472X 1 4W 4 7K 1 ERJ2RMJ472X R5 ERJ2GEJ271X 1 4W 270 1 ERJ2RMJ271X R6 ERJ2GEJ150X 1 4W 15 1 R7 ERJ2GEJ474X 1 4W 470K 1 ERJ2RMJ474X R11 ERJ2GEJ222X 1 4W 2 2K 1 ERJ2RMJ222X R41 ERJ2GEJ103X 1 4W 10K 1 ERJ2RMJ103X R42 ERJ2GEJ473X 1 4W 47K 1 ERJ2RMJ473X R101 ERJ2GEJ105X 1 4W 1M 1 D0GA105JA001 R103 ERJ2GEJ100X 1 4W 10 1 ERJ2...

Page 60: ...J2RMJ225X R323 ERJ2GEJ105X 1 4W 1M 1 D0GA105JA001 R324 ERJ2GEJ474X 1 4W 470K 1 ERJ2RMJ474X R326 ERJ2GEJ221X 1 4W 220 1 ERJ2RMJ221X R401 EXB24V473JX 1 16W 47K 1 R411 ERJ2GEJ471X 1 4W 470 1 ERJ2RMJ471X R412 ERJ2GEJ682X 1 4W 6 8K 1 ERJ2RMJ682X R431 ERJ2GEJ103X 1 4W 10K 1 ERJ2RMJ103X R501 EXB24V473JX 1 16W 47K 1 R502 04 EXB24V334JX 1 16W 330K 3 R505 06 EXB24V104JX 1 4W 100K 2 R507 08 EXB24V224JX 1 4W ...

Page 61: ...K 1 ERJ2RMJ153X R903 ERJ2GEJ182X 1 4W 1 8K 1 ERJ2RMJ182X R904 ERJ2GEJ471X 1 4W 470 1 ERJ2RMJ471X R905 ERJ2GEJ102X 1 4W 1K 1 ERJ2RMJ102X R911 EXB24V473JX 1 16W 47K 1 R912 ERJ2GEJ6R8X 1 4W 6 8 1 S1 ABC1111P SW MAGNETIC HEAD 1 K0L1BA000050 S801 RSG0051 P SW PLAY PAUSE CHARA 1 S802 K0F111A00335 SW REC LP MODE 1 S803 RSG0051 P SW STOP OPR OFF 1 S804 RSG0051 P SW EDIT MARK MODE 1 S806 K0D112A00114 SW HO...

Page 62: ...19 Packaging 62 ...

Page 63: ...Printed in Japan H010900000 KA HH 63 ...

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