Panasonic SJ-MR200, Service Manual

Page 1: ...ORDER No AD0009165C8 Portable MD Recorder SJ MR200 MD unit RAE1630Z M Mechanism Series Colour S Silver Type W White Type Areas EB Great Britain EG Europe GH Hong Kong SPECIFICATIONS Specifications 1 ...

Page 2: ... Power output 3 5 mW 3 5 mW Power supply Rechargeable battery DC 1 2V included rechargeable battery Battery DC 1 5V One LR6 AA UM 3 battery AC adaptor DC 1 8V included AC adaptor Dimensions WxHxD Cabinet dimensions 78 2x71 6x16 8 mm incl projecting parts 79 9x73 6x18 6 mm Weight 120 g with battery 94 g without battery Play time When used in hold mode at 25 C on a flat stable surface Battery type P...

Page 3: ...ed copying and distribution is a violation of law 1 Accessories Rechargeable battery with carrying case 1pc RFKFHFAZ01EM External battery case 1pc RFA1537 S Carrying case 1pc RFC0056 K Wired remote control 1pc N2QCBD000007 Stereo earphones 1pc RFEV335P SA Connection cable 1pc K2KA39B00001 For EB area AC adaptor 1pc RFEA003B S For EG area AC adaptor 1pc N0JCAD000001 For GH area AC adaptor 1pc RFEA0...

Page 4: ...o 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 1 The traverse deck optical pickup is an extremely high precision construction and must not be subjected to impact excessive 4 ...

Page 5: ...e 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 1 Fig 2 4 2 Grounding for electrostatic breakdown prevention 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 co...

Page 6: ...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 ...

Page 7: ...low Checking for the main P C B B side Each parts on main P C B 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 7 ...

Page 8: ...5 2 Replacement for the intermediate cabinet Follow the Step 1 Step 3 of item 5 1 5 3 Replacement for the open knob and lock unit Follow the Step 1 Step 3 of item 5 1 8 ...

Page 9: ... 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 9 ...

Page 10: ...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 10 ...

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Page 12: ...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 12 ...

Page 13: ...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 13 ...

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Page 16: ...r etc of mechanism unit block change to the adjust mode and then perform the ROM RAM auto 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 3 Laser power meter LE8010 or compatible meter 16 ...

Page 17: ...ch main unit s HOLD switch off 3 Press the VOL VOL and buttons on the remote controller within two seconds as shown in Fig 5 Fig 5 4 When the adjustment mode is activated T1 EX will be displayed on the LCD of remote controller After T1 EX is displayed select the desired adjustment item with the button or button of the remote controller If it is not displayed perform the procedures written above ag...

Page 18: ...er for writing record 6 2 2 1 Set the Unit to the Adjustment Mode Cautions About handling the optical pickup and the magnetic head 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 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 i...

Page 19: ...t a position above the optical pickup horizontally at a level of the disc position as shown in Fig 7 Fig 7 4 Press the PLAY key of the remote controller T1 EX changes to LD of the LCD 5 Press the key of the remote controller LD changes to LP of the LCD 6 Perform the read power adjustment Set the light power at 600 W 10 by using VOL and VOL key of the remote controller Caution Proceeding on to the ...

Page 20: ...ritten to EEPROM 10 Press the PLAY key on the remote controller LP changes to T1 EX on the LCD 11 Remove the laser power meter Laser power adjustment is finished REFERENCE For use of MD cartridge type laser power meter We recommend you to use a stick type laser power meter for laser power adjustment of this set But if available is a MD cartridge type only arrange the set as shown in Fig 9 and from...

Page 21: ...round center only when a MD cartridge type laser power meter is used 2 Set the playback only disc 3 Press the PLAY key of the remote controller T1 EX changes to 00ADJ or 10ADJ on the LCD adjusment is started 4 If it has been finished normally 0AADJ or 10ADJ changes to 00OK or 10OK on LCD If it is abnormally it changes to 00NG or 10NG 5 Press the PLAY key 00OK or 10OK or 00NG or 10NG changes to T3 ...

Page 22: ... CC STOP 7th 8th letters are DD PLAY 9th 10th letters are EE 5 Remote controller s LCD 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 unit s keys Check points ON OFF HOLD IC501 55pin 0V 2 4V REC PAUSE IC501 49pin 0V 2 4V EDIT IC501 3pin 1 94V 2 4V STOP IC501 3pin 0V 2 4V PLAY IC501 48pin...

Page 23: ...mote control 10 Perform below voltage check about the keys come under if you cannot detect the key Main unit s keys Check points ON OFF DISPLAY IC501 3pin 1 45V 2 4V PLAYMODE IC501 3pin 0 44V 2 4V EQ IC501 3pin 1 0V 2 4V Flat pad 1 IC501 6 8pin 2 4V 0V 11 Remove the battery when you exit from this mode Note Refer to Printed Circuit Board and Wiring Connection Diagram for the test points 7 Troubles...

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Page 32: ...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 32 ...

Page 33: ...ound lift motor nothing unusual found replace the motor If drive wave unusual check supplyvoltage of and peripheral solder and if nothing unusual found replace IC401 IC701 AN7635SH E1 MIC LINE AMP Optical input permits recording but line input does not MIC recording is impracticable Make sure of IC601 pins 2 3 input wave form during MIC LINE input time If input wave IC601 is unusual supply voltage...

Page 34: ...S503 PROTECT det switch S801 Play record pause operation on character type button CHARA S802 Recording pause operation on switch REC S803 Stop operation off edit cancel button OPR OFF S804 Play and record mode character delete button MODE DELETE S805 Tone recording sensitivity space button EQ REC SENS SPACE S806 Display capital lower case button DISP CAPS S807 Changing edit mode changing track mar...

Page 35: ...uble 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 digital line Recording signal analog line Mic signal line 10 2 Type Illustration ...

Page 36: ...erminal 10 TBAL I Tracking ballance adjustment input terminal 11 TE O Tracking error signal output terminal 12 CRS IN I Track cross input terminal 13 TGAIN I Tracking gain adjustment input terminal 14 LNP O Lens position signal output terminal 15 AB GAIN I APP compensation signal gain adjustment terminal 16 FE O Focus error signal output terminal 17 AS GAIN I AS gain adjustment input terminal 18 F...

Page 37: ...K I Serial command clock input terminal 31 NRFSTBY I Standby control signal input terminal 32 OUT RF O EFM signal output terminal 33 CRF AGC RFAGC capacitor connection terminal Connected to GND through capacitor 34 EQ IN I EQ input terminal 35 ARFO O RF amp output terminal 36 SVREF I Reference voltage input terminal 37 VREF I Reference voltage input terminal 38 RF1 I RF1 signal input terminal 39 R...

Page 38: ...t terminal 5 AS I AS signal input terminal 6 DRMONI I Drive voltage monitor input terminal 7 BAT I Battery power supply terminal 8 AMONI Servo analog monitor signal output Not used open 9 VREFI I Reference voltage input terminal 10 TOFS O Tracking off set adjustment output terminal 11 FBAL O Focus balance adjustment output terminal 12 TBAL O Tracking balance adjustment output terminal 13 TGAIN O T...

Page 39: ...ve signal 0 output terminal 27 STPO1 O Stepper drive signal 1 output terminal 28 IV DD 0 I Power supply terminal for I O pad 29 DV ss 0 GND terminal 30 RAD12 O DRAM address output terminal Not used open 31 RAD11 32 42 RAD10 RAD0 O DRAM address output terminal 43 46 RDT3 RDT0 I O DRAM data input output terminal 47 NRAS O DRAM row address strobe output terminal 48 NCAS O DRAM culum address strobe ou...

Page 40: ...Audio data output terminal 65 SDAR I Audio data input terminal 66 STPI1 I Stepper status 1 input terminal 67 STPI2 I Stepper status 2 input terminal 68 STPI0 I Stepper status 0 input terminal 69 STPO2 O Stepper drive signal 2 output terminal 70 RX1 I Digital audio interface signal 1 input terminal 71 NRECP I Amp Play Rec switching signal input terminal 72 NREFM O EFM modulation inverted output 73 ...

Page 41: ...CK O RF serial clock output terminal 89 NRFLD O RF serial load output terminal 90 TRCRS I Track cross input terminal 91 OFTR I Off track signal input terminal 92 APCD O Laser power PWM output terminal 93 EXEFMCK I External FM clock input terminal Not used connected to GND through registor 94 PEFM1 O EFM loop filter output terminal 95 EFMIREF I EFM PLL reference current input terminal 96 EFMPLLF O ...

Page 42: ...pump output terminal 9 SLVM1 I Power supply terminal 10 SLUOUT O Stepping motor U output terminal 11 SLPG1 GND termial 12 SLVOUT O Stepping motor V output terminal 13 SLVM2 I Power supply terminal 14 SLWOUT O Stepping motor W output terminal 15 SLPG2 GND terminal 16 SLCOM I Step motor coil center input terminal 17 BEMFW O Step detect comparater W output terminal 18 BEMFV O Step detect comparater V...

Page 43: ...ge 2 forward input terminal 36 IN 1R I H bridge 1 reverse input terminal 37 IN 1F I H bridge 1 forward input terminal 38 H2 PG2 GND terminal 39 H2 R OUT O H bridge 2 reverse output terminal 40 H2 VM I Power supply terminal 41 H2 F OUT O H bridge 2 forward output terminal 42 H2 PG1 GND terminal 43 H1 PG2 GND terminal 44 H1 R OUT O H bridge 1 reverse output terminal 45 H1 VM I Power supply terminal ...

Page 44: ... PG2 GND terminal 63 SP U IN I Roter position detect comparater U input terminal 64 SP V IN I Roter position detect comparater V input terminal 15 4 IC501 MN101C32GAD SYSTEM CONTROL Pin No Mark I O Division Function 1 VREF I Reference voltage input terminal 2 REM KEY I Remote cont key input terminal 3 KEY IN1 I Unit key1 input terminal 4 TEMP I Temperature sensor input terminal 5 BATT1 I Battery v...

Page 45: ...MDA interface writing data output terminal 22 SSDR I MSP MDA interface reading data input terminal 23 SSCLK O MSP MDA interface data forward clock output terminal 24 BUZZER O Buzzer output trminal 25 RST I Reset signal input terminal 26 SELAD O MSP MDA interface address signal output terminal 27 ATRAC CNT O ATRAC contorl output terminal H NORMAL L HiFi 28 LCD STB O LCD driver strobe signal output ...

Page 46: ... Not used open 40 DOCTOR O Doctor mode input terminal 41 NC Not used open 42 CHARGE1 O Recharging control output terminal 43 NRECP O Track jump det output terminal 44 EEPCS O EEPROM chip select output terminal 45 EEPCK O EEPROM clock output terminal 46 EEPDATA0 O EEPROM data output terminal 47 EEPDATAI I EEPROM data input terminal 48 PLAY KEY I PLAY PAUSE KEY input terminal 49 REC KEY I REC PAUSE ...

Page 47: ...rol 0 output terminal 63 LOAD1 O Magnetic head movement control 1 output terminal 64 HFON1 I HF module ON 1 input terminal 65 MUTEA O Analog mute A output terminal 66 MUTEB O Analog mute B output terminal 67 NRFSTBY O RF amp standby output terminal 68 ADC OFF O ADC OFF output terminal 69 LOW BST O VMS select output terminal 70 DEO O DE enphasis output terminal 71 DAC OFF O DAC off output terminal ...

Page 48: ...arts 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 RFKFBP140HSY supplied will be provided with Battery Carrying Case RFA0475 Q No replacement parts will be supplied for Rechargeable Battry Ass y without Battery Carrying Case Replacement parts will be suppl...

Page 49: ...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 specific period of time Th...

Page 50: ...TT COVER 1 W 14 REJ0150 R BATT TERMINAL 1 15 RMX0186 JACK SHEET 1 16 RHD14067 SCREW 5 17 RAE1630Z M MECHANISM UNIT 1 17 1 RDG0481 INTERMEDIATE GEAR 1 17 2 RHD14078 SCREW 1 17 3 RHD14080 SCREW 1 17 4 RHW11011 WASHER 1 17 5 RMC0409 SPRING 1 17 6 RXJ0028 DRIVE SHAFT 1 17 7 BRL1A1CWC TRAVERSE MOTOR 1 17 8 BTL2A1CRD SPRING MOTOR 1 17 9 RHD14067 SCREW 3 17 10 RHD14082 SCREW 1 17 11 RJC99040 R BATT TERMI...

Page 51: ...ICE CENTER LIST 1 C1 ECUE1H221KBQ 50V 220P 1 F1G1H221A402 C2 C3 ECUVNA224KBV 10V 0 22U 2 F1H1A224A028 C5 C6 RCST0GZ106RG 4V 10U 2 F3E0G106A002 C7 ECUENA104KBQ 10V 0 1U 1 F1G1A104A014 C8 ECUE1C153KBQ 16V 0 015U 1 F1G1C153A044 C10 ECUE1H181KBQ 50V 180P 1 C14 ECUVNA224KBV 10V 0 22U 1 F1H1A224A028 C15 ECUVNJ105KBV 63V 1U 1 F1H0J105A002 C16 ECUE1H181KBQ 50V 180P 1 C17 ECUE1C223KBQ 16V 0 022U 1 F1G1C223...

Page 52: ...0 RCST0GZ106RG 4V 10U 1 F3E0G106A002 C211 13 ECUENA104KBQ 10V 0 1U 3 F1G1A104A014 C214 15 RCST0EX227RE 2 5V 220U 2 F3G0E2270001 C218 ECUE1H101KBQ 50V 100P 1 C219 20 ECUE1H102KBQ 50V 1000P 2 F1G1H102A457 C221 ECUENA104KBQ 10V 0 1U 1 F1G1A104A014 C301 RCST0JX107RG 6 3V 100U 1 F3G0J1070002 C303 RCST0EX227RE 2 5V 220U 1 F3G0E2270001 C305 RCST0GZ226RG 4V 22U 1 F3E0G226A002 C306 ECUENA104KBQ 10V 0 1U 1 ...

Page 53: ... 1 F3E0G475A002 C611 ECUENA104KBQ 10V 0 1U 1 F1G1A104A014 C614 15 ECUVNJ105KBV 63V 1U 2 F1H0J105A002 C701 ECUENA104KBQ 10V 0 1U 1 F1G1A104A014 C702 03 ECUE1C103KBQ 16V 0 01U 2 C704 ECUVNA224KBV 10V 0 22U 1 F1H1A224A028 C705 RCST0GZ106RG 4V 10U 1 F3E0G106A002 C706 ECUVNA224KBV 10V 0 22U 1 F1H1A224A028 C707 RCST0GZ106RG 4V 10U 1 F3E0G106A002 C708 09 RCST0GZ335RE 4V 3 3V 2 F3E0G335A001 C710 11 ECUVNA...

Page 54: ... IC 1 IC501 MN101C32GAD IC 1 IC502 AK93C45BH L IC 1 C3EBCG000028 IC503 C0EBC0000032 IC 1 IC601 C0FBZH000011 IC 1 IC701 AN7635SH E1 IC 1 JK201 K2HC106D0001 JACK HEADPHONES 1 JK301 RJJ43K10 H JACK DC IN 1 K2EA2B000003 JK701 RJJ38TW01 H JACK OPT LINE IN 1 B3MBZ0000002 JK702 RJJ34R01 1H JACK MIC 1 K2HC103E0012 L1 RLQP100MT W COIL 1 G1C100M00016 L101 RLQP100MT W COIL 1 G1C100M00016 L103 04 ERJ8GEY0R00V...

Page 55: ... TRANSISTOR 1 B1DHAC000002 Q401 DTC144EETL TRANSISTOR 1 B1GBCFNN0001 Q701 XP4601TX TRANSISTOR 1 XP0460100L Q703 UMG2NTR TRANSISTOR 1 B1GFCFNN0010 Q705 B1ABDF000001 TRANSISTOR 1 R1 ERJ2GEJ472X 1 4W 4 7K 1 ERJ2RMJ472X R2 ERJ2GEJ272X 1 4W 2 7K 1 ERJ2RMJ272X R5 ERJ2GEJ103X 1 4W 10K 1 ERJ2RMJ103X R10 ERJ2GEJ1R0X 1 4W 1 1 ERJ2RMJ1R0X R11 EXB24V103JX 1 4W 10K 1 R14 ERJ2GEJ471X 1 4W 470 1 ERJ2RMJ471X R15 ...

Page 56: ...X 1 4W 150K 1 ERJ2RMJ154X R315 ERJ2GED104X 1 4W 100K 1 D0HA104ZA002 R316 ERJ2GEJ104X 1 4W 100K 1 ERJ2RMJ104X R317 ERJ6RSJR10V 1 10W 0 1 1 R318 ERJ2GED105X 1 4W 1M 1 ERJ2RKD105X R320 ERJ2GEJ474X 1 4W 470K 1 ERJ2RMJ474X R321 ERJ2GEJ394X 1 4W 390K 1 ERJ2RMJ394X R322 ERJ2GEJ225X 1 4W 2 2M 1 ERJ2RMJ225X R323 ERJ2GED105X 1 4W 1M 1 ERJ2RKD105X R324 25 ERJ2GEJ474X 1 4W 470K 2 ERJ2RMJ474X R326 ERJ2GEJ221X ...

Page 57: ... R715 ERJ2GEJ155X 1 4W 1 5M 1 R716 EXB24V103JX 1 4W 10K 1 R717 EXB24V223JX 1 4W 22K 1 R801 ERJ3GEYJ222V 1 16W 2 2K 1 R802 ERJ3GEYJ472V 1 16W 4 7K 1 D0GB472JA002 R803 ERJ3GEYJ822V 1 16W 8 2K 1 D0GB822JA002 R804 ERJ3GEYJ273V 1 16W 27K 1 D0GB273JA002 R807 ERJ2GEJ473X 1 4W 47K 1 ERJ2RMJ473X R808 ERJ2GEJ563X 1 4W 56K 1 RX103 ERJ2GEJ103X 1 4W 10K 1 ERJ2RMJ103X RX503 ERJ2GEJ334X 1 4W 330K 1 ERJ2RMJ334X S...

Page 58: ...20 Packaging 58 ...

Page 59: ...Printed in Japan H000900000 SW HH 59 ...