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JVC XL-PM11 Service Manual

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SERVICE MANUAL
PORTABLE CD PLAYER
Model XL-PM11 is an exclusive use for Canada. As for
the difference between XL-PM11 and XL-PM1, the
packing specification is different.
Contents
Safety Precautions
V o lu m e
PACKING
Gift box
1-2
1-3
1-4
1-5
1-7
COPYRIGHT
2001 VICTOR COMPANY OF JAPAN, LTD.
C --------------------- Canada
J ------------------------ U.S.A.
C --------------------- Canada
B -------------------------- U.K.
E ------ Continental Europe
Blister pack
Area Suffix
Area Suffix
COMPACT
DIGITAL AUDIO
1-8
1-9
1-13 ~18
No.21018
Jul. 2001

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  Summary of Contents for JVC XL-PM11

  • Page 1: Table Of Contents

    C --------------------- Canada B -------------------------- U.K. E ------ Continental Europe COMPACT DIGITAL AUDIO V o lu m e Model XL-PM11 is an exclusive use for Canada. As for the difference between XL-PM11 and XL-PM1, the packing specification is different. XL-PM11 XL-PM1 PACKING...
  • Page 2 XL-PM11/XM-PM1 1. This design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits. Services should be performed by qualified personnel only.
  • Page 3: Important For Laser Products

    XL-PM11/XM-PM1 Important for laser products 5.CAUTION : If safety switches malfunction, the laser is able 1.CLASS 1 LASER PRODUCT to function. 2.DANGER : Invisible laser radiation when open and inter 6.CAUTION : Use of controls, adjustments or performance of lock failed or defeated. Avoid direct exposure to beam.
  • Page 4: Preventing Static Electricity

    XL-PM11/XM-PM1 Preventing static electricity 1. Grounding to prevent damage by static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs.
  • Page 5: Disassembly Method

    XL-PM11/XM-PM1 Cabinet -door Disassembly method Removing the cabinet -door & cabinet -middle (See Fig.1 to 4) Remove the two screws A attaching the cabinet - door on the back of the body. Remove the two screws B on the cabinet -bottom.
  • Page 6: Xl-Pm11

    XL-PM11/XM-PM1 Removing the CD mechanism (See Fig.5) Cabinet -bottom(inside) Prior to performing the following procedure, remove CD mechanism the cabinet -door and cabinet -middle. Disconnect the harness(motor) from connector CON2(MOW000) on the main board . Disconnect flexible board(pick-up) from Flexible board connector CON1 on the main board and remove the CD mechanism.
  • Page 7: Xl-Pm1

    XL-PM11/XM-PM1 Troubleshooting 1. POWER / KEY 1) EXT. DC SUPPLY (ADAPTOR) POWER OFF 2) HOLD S/W in OFF POSITION. (STAND-BY) 3) CD-DOOR Closed. CHECK VOLTAGE EMITTER of Q102 ;3.3V? 'PLAY' PRESSED REPLACE REPLACE CHECK VOLTAGE IC6367 ADAPTOR LCD LIGHT? PIN NO. 11,12,13,18,56 &...
  • Page 8: Explanation Of Mp3

    XL-PM11/XM-PM1 3. AUDIO OUTPUT (LINE OUT, EARPHONE OUT) CHECK CHECK SIGNAL WAVEFORM REPLACE MICOM VOLTAGE PIN No. 58 PIN No. 33,38 of IC9288 & MAIN PCB ASS'Y of MICOM DURING PLAY STATE. ; 0V(LOW) ;AUDIO SIGNAL? ANALOG VR ; MAX...
  • Page 9: Description Of Major Ics

    XL-PM11/XM-PM1 Description of major ICs BH6508FS (IC6508) : Motor driver 1. Block diagram Amp. Amp. Thermal 3.75K shut down H BRIDGE 4 H BRIDGE 3 LOGIC 4 LOGIC 3 DRIVER 4 DRIVER 3 LOGIC 1 LOGIC 2 DRIVER 1 DRIVER 2...
  • Page 10 XL-PM11/XM-PM1 KS9288 (IC9288) : DSP/ ESP 1.Pin layout 80~61 1~20 41~60 21~40 2. Pin function (1/2) Function Pin No. Symbol Analog Power for DPLL VDD_PLL Analog Ground for DPLL VSSA_PLL Analog Bulk Bias Ground for DPLL VBBA_PLL Pump out for VCO1...
  • Page 11 XL-PM11/XM-PM1 2. Pin function (2/2) Pin No. Symbol Function RFCK Read base clock output 54~59 MNT0~5 Monitoring signal output VSSD3 Digital Ground VDDD4 Digital Power DRAM data Input/Output 0 DRAM data Input/Output 1 DRAM Write Enable output (active Low) DRAM Row Address Selection output (active Low)
  • Page 12 XL-PM11/XM-PM1 M11L1644 (IC1644) : DRAM 1. Block diagram CONTROL DATA-IN BUFFER LOGIC I/O0 I/O3 CLOCK GENERATOR DATA-OUT BUFFER COLUMN COLUMN ADDRESS DECODER BUFFER 2048 REFRESH SENSE AMPLIFIERS CONTROLLER I/O RATING REFRESH 2048 x 4 COUNTER 2048 x 2048 x 4...
  • Page 13 XL-PM11/XM-PM1 Parts list Block No. Integrated decomposition chart Cabinet -door assembly (See page 1-14) Knob -hold (See page 1-16) Cabinet -middle assembly (See page 1-14) CD mechanism assembly (See page 1-15) Holder -battery Main board assembly (See page 1-16) (See page 1-15)
  • Page 14 XL-PM11/XM-PM1 Cabinet -door assembly (XL-PM1) Parts number Parts name Description Area suffix AH64-01527A CABINET -DOOR WITH FRONT BOARD (XL-PM11C) Parts number Parts name Description Area suffix AH64-01527B CABINET -DOOR WITH FRONT BOARD Cabinet -middle assembly Parts number Parts name Description...
  • Page 15 XL-PM11/XM-PM1 CD mechanism assembly Parts number Parts name Description Area suffix AH59-00968A CD MECHANISM ASSY MECH+ RUBBER CD Main board assembly Parts number Parts name Description Area suffix AH92-01161A MAIN BOARD ASSY PCB MAIN 2102-001063 VR -ROTARY VOLUME 3408-001038 SWITCH -SLIDE...
  • Page 16 XL-PM11/XM-PM1 Cabinet -bottom assembly Does not contain the bottom side label. Parts number Description Area suffix Parts name AH64-01529A WITH BATTERY COVER CABINET -BOTTOM Other parts Parts number Parts name Description Area suffix AH64-01021A LID -BATTRY BATTERY -COVER AH61-00734A HOLDER -BATTERY...
  • Page 17: Parts List

    XL-PM11/XM-PM1 Packing materials and accessories parts list Gift box (XL-PM11C/ XL-PM1B/ XL-PM1E) Block No. Block No. A1,A6 to A9 Blister (XL-PM1J/ XL-PM1C) No do after-sales service of blister pack packing. Parts list (Packing) Block No. M3MM Item Parts number Parts name...
  • Page 18: Xl-Pm1

    XL-PM11/XM-PM1 Parts list (Accessories) Block No. M5MM Item Parts number Parts name Q'ty Description Area AH68-00944C INSTRUCTIONS EN/FR C, 11C AH68-00944E INSTRUCTIONS EN/SP/NL/GE/IT/ FR/SW/FI/DA AH68-00944D INSTRUCTIONS J, B AH64-01082A CASE-BATTERY ASSY AH30-00016A HEAD-PHONE OVER HEAD J, C, 11C AH30-00015A EAR-PHONE...
  • Page 19 XL-PM11/XM-PM1 < M E M O > 1-19...
  • Page 20: Xl-Pm11/Xl-Pm1

    XL-PM11/XL-PM1 VICTOR COMPANY OF JAPAN, LIMITED PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.21018) 200107(V)
  • Page 21 XL-PM11/XL-PM1 Block diagram...
  • Page 22 XL-PM11/XL-PM1 Standard schematic diagram CD signal 16MDRAM MP3 DECODER DSP/ESP M. DRIVER HP AMP. MICROPROCESSOR...
  • Page 23 We suggest that you order the parts concerned as apares. Parts identified by the symbol are critical for safety. Replace only with specified part numbers. Model & Manual No. Location Reference Information Performed at factory XL-PM11/XL-PM1 J/C/B/E Parts list ------ (No.21018) CD-ROM No. SML200107...

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