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Panasonic SJ-MJ88, Руководство по обслуживанию

Panasonic SJ-MJ88 - компактный портативный плеер CD, обеспечивающий высококачественное звучание. Для того, чтобы узнать как использовать все функции этого устройства, загрузите бесплатно Сервисный Мануал на manualshive.com. Узнайте больше о вашем плеере и настройках, благодаря детальной информации в руководстве.

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Содержание SJ-MJ88

Страница 1: ...ORDER No AD0101008C2 Portable MD Player SJ MJ88 MD unit RAE1611Z Mechanism Series Colour S Silver Type Areas EB Great Britain EG Europe 1 ...

Страница 2: ...and flutter Below measurable limit General Output terminal Output Jack Phones 22 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 Dimensions WxHxD Cabinet dimensions 71 5x78 5x11 8 mm incl projecting parts 74 1x80 1x13 9 mm Weights 79 g with battery 54 g without battery Play time When used in hold mode at 25 ...

Страница 3: ...rging 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 1 1 Accessories Stereo earphones 1 pc L0BAB0000162 Wired remote control 1 pc RFEV025P SM External battery case 1 pc K3ZZ00200038 Rechargeable Ni Cd battery 1 pc RP BP62EYS1 3 ...

Страница 4: ... Carrying case 1 pc RFC0056 K For EB area Charger 1 pc RP BC155AEBY For EG area Charger 1 pc RP BC155AEYB 2 Precaution of Laser Diode 4 ...

Страница 5: ... 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...

Страница 6: ...Fig 1 Fig 2 4 2 Grounding for electrostatic breakdown prevention 1 Human body grounding 6 ...

Страница 7: ...ut a conductive 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 Fig 4 7 ...

Страница 8: ... 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 8 ...

Страница 9: ...9 ...

Страница 10: ... Check the P C B as shown below 10 ...

Страница 11: ...5 2 Replacement for the lock unit open knob and intermediate cabinet Follow the Step 1 Step 3 of item 5 1 11 ...

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Страница 15: ...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 15 ...

Страница 16: ...5 4 Replacement for the traverse motor Follow the Step 1 Step 3 of item 5 1 16 ...

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Страница 20: ...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 ...

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Страница 25: ... 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 ...

Страница 26: ...n part replacement procedure 5 2 Replacement for the intermediate cabinet 2 Move the optical pickup to the innermost side and attach the disc cover 3 Set the battery and connect the remote controller 4 Turn off the power and switch main unit s HOLD switch off 5 Press the VOL VOL and keys on the remote controller within two seconds as shown in Fig 5 Fig 5 6 When the adjustment mode is activated T0E...

Страница 27: ...nd T3E You must perform the adjustment by observing the order T0E 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 ...

Страница 28: ...ith the static electricity 6 2 2 2 Adjustment Procedure 1 Uncover the laser power meter as shown in Fig 6 Fig 6 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 3 Press the key of the remote controller T0E changes to LD of the LCD 28 ...

Страница 29: ... 8 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 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 ...

Страница 30: ...Fig 9 30 ...

Страница 31: ...f 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 key of the remote controller The adjustment is started 3 During adjustment AADJ is...

Страница 32: ...de in the order 4 Press 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 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 VOL VOL and keys on the remote controller with...

Страница 33: ... to O 5 After all keys have 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 0V 2 2V IC201 48pin 0V 2 2V TP421 1 13V 2 2V TP421 1 69V 2 2V VOL TP421 0V 2 2V VOL TP421 0 58V 2 2V Note Refer to 10 Printed Circuit Board Diagram for the test points 7 Remo...

Страница 34: ...34 ...

Страница 35: ...35 ...

Страница 36: ...36 ...

Страница 37: ...37 ...

Страница 38: ...38 ...

Страница 39: ...39 ...

Страница 40: ...40 ...

Страница 41: ...8 Schematic Diagram Notes 8 1 Type Illustration of IC s Transistors and Diodes 41 ...

Страница 42: ...ding 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 s...

Страница 43: ...Voltage and signal line Positive voltage line Playback signal line 9 Schematic Diagram 10 Printed Circuit Board Diagram 11 Block Diagram 12 Terminal Function of IC s 12 1 IC1 AN86772FHKEBV RF AMP 43 ...

Страница 44: ...t side detection output terminal 12 GND GND terminal 13 BOTM O EFM dark side detection output terminal 14 CEA I 3T envelope det capacitor connection terminal Connected to power supply through capacitor 15 MON3T O 3T envelope output terminal 16 CC O C signal s dark side detection amplified output terminal 17 DD O D signal s dark side detection amplified output terminal 18 VCC I Power supply termina...

Страница 45: ...ut terminal 35 NRFSTBY I Standby control signal input terminal 36 NC Not used open 37 38 F1 I F1 signal input terminal 39 F2 I F2 signal input terminal 40 A I A signal input terminal 41 B I B signal input terminal 42 VREF O Reference signal output terminal 43 RF2 I RF2 signal input terminal 44 RF1 I RF1 signal input terminal 45 CENVD D signal detection capacitor connection terminal Not used open 4...

Страница 46: ...terminal for monitoring 7 MONI6 O Monitor signal output terminal 6 8 MONI5 O Monitor signal output terminal 5 9 NRST I Chip Reset signal input terminal O reset 10 SELAD I Microprocessor IF address data select signal input terminal 11 SSCK I Microprocessor IF shift clock signal input terminal 12 SSDW I Microprocessor IF write data input terminal 13 SSDR O Microprocessor IF read data output terminal...

Страница 47: ...tal power supply 29 XI I Crystal oscillator input terminal F 16 9344MHz 30 DVSS 0 Digital GND 31 XO O Crystal oscillator output terminal F 16 9344MHz 32 34 STP10 STP12 I Stepping motor status input terminal 0 2 35 37 STP00 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 Refle...

Страница 48: ... 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 SEL0 I Connected to GND 69 RVDD 2 I Power supply to internal DRAM 70 RVSS 3 GND to internal DRAM 71 SEL1 I Connected to GND 72...

Страница 49: ...l 10 VREF AD reference input connected to power supply 11 VDD Power supply terminal 12 OSC2 O System clock output terminal F 6MHz 13 OSC1 I System clock input terminal F 6MHz 14 VSS GND terminal 15 XI 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 DATA O LCD driver data o...

Страница 50: ...utput terminal 31 DCIN WAKEUP I Charger wakeup detection signal input terminal 32 NRQ I Microprocessor service request input terminal 33 MDASCSY I MDA service selector signal input terminal 34 OPEN SW I Lid open detection input terminal H Open 35 SCTSY I ADIP synchronize signal input terminal 36 42 Not used open 43 CHARGE1 O Recharging control output terminal 44 46 Not used open 47 HOLD I HOLD SW ...

Страница 51: ...tput terminal 60 EEP DATA I I EEP ROM DATA input 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 STBY O RF AMP standby output terminal 68 DRAM CHK I DRAM check input terminal 69 70 Not used open 71 MONI OFF O RF monitor control output terminal H OFF L ON 72 BPF O RF band pass filter control output terminal L WIDE 73 RF CONT O ...

Страница 52: ...ut 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 RST O MSP reset output terminal L Reset 12 4 IC301 C0GBZ000006 FOCUS TRACKING COIL TRAVERSE MOTOR DRIVE ROTALY DETECTOR 52 ...

Страница 53: ...it s power supply 1 7 SPUOUT O Spindle motor coil U output terminal 8 SPPG1 Spindle power unit s GND1 9 NC Not used open 10 SPVOUT O Spindle motor coil V output terminal 11 SPVM2 I 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 I Half bridge power unit s power supply 15 PWOUT O Half bridge output terminal 16 PWPG Half...

Страница 54: ...ope capacitor connection terminal 2 26 FG O FG output terminal 27 BRK I Brake comparator input terminal 28 BRK I Brake comparator input terminal 29 ASGND Small signal block GND Bip 30 SGND Small signal block GND MOS 31 S1 I Stepping decorder 1 input terminal 32 S2 I Stepping decorder 2 input terminal 33 S3 I Stepping decorder 3 input terminal 34 BEMFU O Step detect comparator U output terminal 35 ...

Страница 55: ...rminal 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 I H bridge 2 power unit s power supply 57 H2FOUT O H bridge 2 ...

Страница 56: ...rrying Case If not it may either heat or ignite by shorting with a metal as shown in Fig 10 Fig 10 14 Supply of Rechargeable Battery Ass y as Replacement 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...

Страница 57: ...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 15 Replacement Parts List Notes Important safety notice Components identified by mark have special characteristics important for 57 ...

Страница 58: ...n 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 IA mark in Remarks indicates languages of instruction manuals IA English Spanish French German Netherlands Swedish It...

Страница 59: ...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 ECUENA104KB...

Страница 60: ...U 2 F3G0E2270001 C509 RCST0GZ106RG 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 B0JCMC000004 D402 03 RB081L20TE25 DIODE 2 B0JCRC00...

Страница 61: ...201 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 ERJ2GEJ223X 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 ERJ...

Страница 62: ...VQPUL02K SW PLAY STOP 1 S207 RSH1A039 A SW COVER OP CL DET 1 K0L1BA000037 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 16 Cabinet Parts Location 17 Packaging H010200000 SW HH 1 2001 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is ...

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