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JVC XV-N650BEU Service Manual

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SERVICE MANUAL
4 S ERVICE MANUAL
YD119
2007
XV-N650BEU,XV-N650BEY,XV-N650BEK,
XV-N650BER,XV-N652SEU,XV-N652SEY,
XV-N652SEZ,XV-N652SEK,XV-N652SER
COPYRIGHT © 2007 Victor Company of Japan, Limited
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
DVD PLAYER
XV-N650BEU,XV-N650BEY,XV-N650BEK,XV-N650BER,
XV-N652SEU,XV-N652SEY,XV-N652SEZ,XV-N652SEK,XV-N652SER [D7P3]

TABLE OF CONTENTS

COPYRIGHT © 2007 Victor Company of Japan, Limited
EU -------- Western Europe
EY -------- Northern Europe
EZ --------- Eastern Europe
ER ---- Russian Federation
Only ver. ER
No.YD119
2007/4

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  • Page 1: Table Of Contents

    SERVICE MANUAL DVD PLAYER YD119 2007 4 S ERVICE MANUAL XV-N650BEU,XV-N650BEY,XV-N650BEK, XV-N650BER,XV-N652SEU,XV-N652SEY, XV-N652SEZ,XV-N652SEK,XV-N652SER Area Suffix EK ------------------------ U.K. EU -------- Western Europe EY -------- Northern Europe EZ --------- Eastern Europe ER ---- Russian Federation Only ver. ER XV-N650BEU,XV-N650BEY,XV-N650BEK,XV-N650BER, XV-N652SEU,XV-N652SEY,XV-N652SEZ,XV-N652SEK,XV-N652SER [D7P3] COPYRIGHT ©...
  • Page 2 SPECIFICATION XV-N650BEU,XV-N650BEY,XV-N650BEK,XV-N650BER,XV-N652SEU,XV-N652SEY,XV-N652SEZ,XV-N652SEK,XV-N652SER General Power requirements AC 220-240 V, 50/60 Hz Power consumption 430 × 35 × 201 mm (17 × 1.4 × 7.9 inches) (W × H × D) without foot Dimensions (Approx.) Net weight (Approx.) 1.6 kg (3.5 lbs) 5 °C to 35 °C (41 °F to 95 °F)

  • Page 3: Precaution

    SECTION 1 PRECAUTION Safety Precautions (1) This design of this product contains special hardware and path to the chassis, and measure the AC voltage across many circuits and components specially for safety purpos- the resistor. Now, reverse the plug in the AC outlet and es.
  • Page 4 Preventing 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. 1.5.1 Grounding to prevent damage by static electricity Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as DVD players.
  • Page 5 Important for laser products 5.CAUTION : If safety switches malfunction, the laser is able 1.CLASS 1 LASER PRODUCT to function. 2.CAUTION : VISIBLE AND/OR INVISIBLE CLASS 1M 6.CAUTION : Use of controls, adjustments or performance of LASER RADIATION WHEN OPEN. procedures other than those specified here in may result in DO NOT STARE INTO BEAM OR VIEW DIRECTLY WITH hazardous radiation exposure.

  • Page 6: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS SERVICE INFORMATION FOR EEPROM POWER ON DETECT NEW EEPROM DVD LOGO Status (NO Disk status) (OPTION EDIT SCREEN) MODEL : XV-N650B/XV-N652S NAME OPT 1 Remotecontrol OPT 2 Pause key-->1-->4-->7-->2 in order. OPT 3 OPT 4 OPT 5 OPT 6 Press number 0~8, Press charater...

  • Page 7: Disassembly

    SECTION 3 DISASSEMBLY Main body section 3.1.1 Removing the top cover (See figure 1) 3.1.3 Removing the mechanism assembly (See figure 4) (1) Remove the two screws A attaching the top cover on both • Prior to performing the following procedure, remove the top sides of the main body.
  • Page 8 3.1.5 Removing the SCART terminal board (See figure 6) • Prior to performing the following procedure, remove the top cover, front panel assembly and mechanism assembly (1) Disconnect the card wire from connector P3701 on the SCART board. (2) Remove the one screw H and one screw I attaching the SCART terminal board.
  • Page 9 DVD MECHANISM PARTS LOCATION • TOP VIEW (WITH TRAY) Procedure Disass Fig- Parts Fixing Type embly Starting No. 1 Main Base Clamp Assem- bly Disc 1, 2 3 Plate Clamp 1, 2, 3 4 Magnet Clamp 1, 2, 3, 4 5 Clamp Upper 6 Tray Disc Base Assembly...

  • Page 10: Main Base

    DVD MECHANISM DISASSEMBLY Fig.4-1 Fig.4-2 3.3.1 MAIN BASE (FIG. 4-1) 3.3.2 TRAY DISC (FIG. 4-2) (1) Insert and push a Driver in the emergency eject hole(A) at 3.3.1.1 Clamp Assembly Disc the right side, or put the Driver on the Lever(B) of the Gear (1) Place the Clamp Assembly Disc as Fig.

  • Page 11: Rubber Rear

    Fig.4-3 3.3.3 BASE ASSEMBLY SLED (FIG. 4-3) 3.3.3.3 Gear Rack (1) Release 4 Screw (S2). (1) Release the Scerw (S3) (2) Disconnect the FFC Connector (C1) 3.3.4 RUBBER REAR (FIG. 4-3) 3.3.3.1 Gear Feed 3.3.3.2 Gear Middle (No.YD119)1-11...

  • Page 12: Gear Pulley

    Fig.4-4 3.3.5 FRAME ASSEMBLY UP/DOWN (FIG. 4-4) 3.3.8 GEAR LOADING (FIG. 4-4) Note 3.3.9 GUIDE UP/DOWN (FIG. 4-4) Put the Base Main face down (Bottom Side) (1) Move the Guide Up/Down in direction of arrow(A) as (1) Release the screw (S4) Fig.(A) (2) Unlock the Locking Tab (L3) in direction of arrow and then (2) Push the Locking Tab(L5) down and then lift up the Guide...

  • Page 13: Adjustment

    SECTION 4 ADJUSTMENT The version of the firmware is confirmed (1) The power supply is turned ON. (2) Press the "SETUP" button of the remote control unit to select "16:9" in "Display Mode". TV Aspect Display Mode 16:9 TV Output Select Prev.

  • Page 14: Troubleshooting

    SECTION 5 TROUBLESHOOTING ELECTRICAL TROUBLESHOOTING GUIDE 5.1.1 POWER CHECK FLOW No 5V No 3.3VA Is 3.3VA Is 3.3VA section working? section working? Is 3.3V Is 5.6V present at present at emitter No 3.3VA collector of Q126? of Q121? Replace Q126. Check FR101 Replace Q121.
  • Page 15 5.1.2 SYSTEM OPERATION FLOW Power on 1. 186 CPU initializes SERVO, DSP & RISC registers 2. Write RISC code to SDRAM 3. Reset RISC Show LOGO Tray closed? Tray close to closed position SLED at inner side? SLED moves to inner position 1.
  • Page 16 5.1.3 SYSTEM TEST FLOW TEST Check the AC Replace power PCBA or AC transformer. Voltage power PCBA (110V or 220V) Switch on the power PCBA Is the DC voltage outputs OK? Repair or replace power PCBA (5V, 3.3V, 12V, 5.6V MOTOR) Make sure the main PCBA don't short on VCC and switch it on.
  • Page 17 RESET or power on. Check connection lines Flash between FLASH & ZR36888 memory operates Show LOGO? and the FLASH access time properly? whether is suitable or not. Check connection lines SDRAM between SDRAM & ZR36888 works properly? and the SDRAM is damaged. ZR36888 Check the related circuit of VIDEO outputs...
  • Page 18 Does the Motor Check the connection line of SLED move driver MUTE pin to inner side when it is at MUTE signal. is high? outer position? Check the related circuit of Is SLED_S DC Level higher than FMSO. 1.65V? SLED+ Check the amp circuit on and SLED- output motor driver.
  • Page 19 Check the laser power circuit Laser LD_DVD or on ZR36888 and connecting turns on when reading LD_CD output to power transistor. properly? disc? Collector Check the related circuit on voltage of power transistor laser power transistor is OK? Check cable connection between transistor output and pick-up head.
  • Page 20 Proper Check connections between Focus on OK? signals on A, B, C, D of ZR36888 and pick-up head. ZR36888 Check the FOCUS_S Check FE signal connection on ZR36888 on ZR36888 and motor driver. Check FOCUS_S signal on ZR36888 Normal Check the related TE signal on Track on OK? circuit on ZR36888...
  • Page 21 Normal Audio DAC Check connection between audio output when disc received correct data ZR36888 & audio DAC. playback? stream? Check the related Normal audio DAC out? circuit of Audio DAC. Check audio filter, amplify, mute circuit. Commu- Normal nications between Check communication lines IR.VFD &...
  • Page 22 DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 5.2.1 SYSTEM 27MHz CLOCK, RESET, FLASH R/W SIGNAL 1) ZR36888 main clock is at 27MHz (X601) 3.1V, 27MHz Fig.1-1 2) ZR36888 reset is low active. 3.3VA RESET 3.3VA PWR_CTL RESET PWR_CTL Fig.1-2 1-22 (No.YD119)
  • Page 23 5.2.2 SDRAM CLOCK 1) SDRAM clock is at 143MHz CLK=143MHz, Vp-p=3.3V IC603 38PIN Fig.2-1 5.2.3 TRAY OPEN/CLOSE SIGNAL 1) Tray open/close waveform OPEN CLOSE OPEN CLOSE IC201 Fig.3-1 (No.YD119)1-23...
  • Page 24 2) Tray open waveform OPEN CLOSE OPEN CLOSE Fig.3-2 3) Tray close waveform OPEN CLOSE Fig.3-3 1-24 (No.YD119)
  • Page 25 5.2.4 SLED CONTROL RELATED SIGNAL (NO DISC CONDITION) SLED_S DRVSB SLED+ SLED- Fig.4-1 5.2.5 LENS CONTROL RELATED SIGNAL (NO DISC CONDITION) FOCUS_S FOCUS+ FOCUS- Fig.5-1 (No.YD119)1-25...
  • Page 26 5.2.6 LASER POWER CONTROL RELATED SIGNAL (NO DISC CONDITION) VR_CD DVD_LD CD_LD Fig.6-1 5.2.7 DISC TYPE JUDGEMENT WAVEFORM FACT+ SBAD Fig.7-1(DVD) 1-26 (No.YD119)
  • Page 27 FACT+ SBAD Fig.7-2(DVD) FACT+ SBAD Fig.7-3(CD) FACT+ SBAD Fig.7-4(CD) (No.YD119)1-27...
  • Page 28 5.2.8 FOCUS ON WAVEFORM FOCUS FACT+ FACT- Fig.8-1(DVD) FOCUS FACT+ FACT- Fig.8-2(CD) 1-28 (No.YD119)
  • Page 29 5.2.9 SPINDLE CONTROL WAVEFORM (NO DISC CONDITION) SPINDLE_S IC201 Fig.9-1(DVD) (No.YD119)1-29...
  • Page 30 5.2.10 TRACKING CONTROL RELATED SIGNAL (SYSTEM CHECKING) TRACK_S TACT+ TACT- Fig.10-1(DVD) TRACK_S TACT+ TACT- Fig.10-2(CD) 1-30 (No.YD119)
  • Page 31 5.2.11 RF WAVEFORM JIG202 & CN201 2PIN Fig.11-1 5.2.12 ZR36888 AUDIO OPTICAL AND COAXIAL OUTPUT (SPDIF) R644 & IC601 126PIN Fig.12-1 (No.YD119)1-31...
  • Page 32 5.2.13 ZR36888 VIDEO OUTPUT WAVEFORM 1) Full colorbar signal (CVBS) JK701 2PIN Fig.13-1 2) Y JK701 13PIN Fig.13-2 1-32 (No.YD119)
  • Page 33 3) C JK701 14PIN Fig.13-3 5.2.14 AUDIO OUTPUT FROM AUDIO DAC 1) AUDIO L/R 1kHz 0dB JK701 5, 8PIN Fig.14-1 2) Audio Related Signal AOUT0 ABCK ALRCLK Fig.14-2 (No.YD119)1-33...
  • Page 34 Victor company of Japan, Limited DIGITAL VIDEO STORAGE CATEGORY 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YD119) Printed in Japan...

  • Page 35: Area Suffix Ek

    SCHEMATIC DIAGRAMS DVD PLAYER XV-N650BEU,XV-N650BEY,XV-N650BEK, XV-N650BER,XV-N652SEU,XV-N652SEY, XV-N652SEZ,XV-N652SEK,XV-N652SER CD-ROM No.SML200704 Area Suffix EK ------------------------ U.K. EU -------- Western Europe EY -------- Northern Europe EZ --------- Eastern Europe ER ---- Russian Federation Only ver. ER XV-N650BEU,XV-N650BEY,XV-N650BEK,XV-N650BER, XV-N652SEU,XV-N652SEY,XV-N652SEZ,XV-N652SEK,XV-N652SER [D7P3] No.YD119SCH COPYRIGHT 2007 Victor Company of Japan, Limited...
  • Page 37 CIRCUIT BOARD NOTES CHARTS AND DIAGRAMS 1. Foil and Component sides NOTES OF SCHEMATIC DIAGRAM 4. Voltage measurement 1) Foil side (B side) : Parts on the foil side seen from foil face (pattern face) 1) Regulator (DC/DC CONV) circuits Safety precautions are indicated.

  • Page 38: Block Diagrams

    Block diagrams Over all DISC V33A HDMI5V V33A IC603 IC604 CN601 ESMT_M12L64164A JK 705 MX29LV160TTC 4M/16BIT CN602 HDMI DVD : A,B,C,D,RF 16/32BIT SDRAM Download CD : A,B,C,D,E,F,RF Jack FLASH ROM SPINDLE CD_DVD, VR_CD,VR_DVD PICK MOTOR PICKSEL RAMAD[00:11] RAMCKE CD_LD,DVD_LD,VC PCLK RAMBA RAMCS1 SLED...
  • Page 39 Power regulator (SMPS) section MPEG & Memory (ZR36888) section MEMDA[0:15] MEMAD[0:19] FLASHCS- MEMWR- MEMRD RAMAD[00:11] ,RAMCKE PCLK ,RAMBA,RAMCS1 RAMDQM ,RAMWE RAMDAT[00:15] RAMCAS RAMRAS TX0+,TX0-,TX1+,TX1- TX2+,TX2-,TXC+TXC- DIN ,DOUT CLK,STB TRANS SWITCHING IC AC100~240V FILTER RECTIFIER...
  • Page 40 Servo control (ZR36888) section Video & Audio section...
  • Page 41 OCCASIONALLY DIFFER FROM THE ACTUAL CIRCUIT with specified part number. BE MODIFIED OR ALTERED WITHOUT PERMISSION USED. THIS WAY, IMPLEMENTATION OF THE LATEST 2. Voltages are DC-measured with a digital voltmeter FROM THE JVC. ALL COMPONENTS SHOULD BE SAFETY PERFORMANCE IMPROVEMENT during Play mode.
  • Page 42 System (MPEG) section SHEET 2 2-11 2-12...
  • Page 43 Servo control section SHEET 3 2-13 2-14...
  • Page 44 AV/Jack section SHEET 4 2-15 2-16...
  • Page 45 Timer/Key control section SHEET 5 2-17 2-18...

  • Page 46: Voltage Chart

    Voltage chart STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY CONDENSER AND TR VOLTAGE CHECK IC201 2.64 3.14 3.34 3.18 3.33 3.34 0.01 0.05 1.61 1.89 1.28 1.62 PLAY 0.01 0.01 0.01 1.28 1.65 1.88 2.15 3.34...
  • Page 47 Printed circuit boards Main board <01> (Top view) (Bottom view) 2-21 2-22...
  • Page 48 Power regulator board <01> NOTE) Warning Parts that are shaded are critical with respect to risk of fire or electrical shock. Timer board <01> (Top view) (Bottom view) 2-23 2-24...
  • Page 49 SCART board <01> (Top view) (Bottom view) Key board <01> (Top view) (Bottom view) 2-25...
  • Page 50 Victor Company of Japan, Limited DIGITAL VIDEO STORAGE CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan Printed in Japan No.YD119SCH...

  • Page 51: Parts List

    * BEWARE OF BOGUS PARTS Parts that do not meet specifications may cause trouble in regard to safety and performance. We recommend that genuine JVC parts be used. * (x_) in a description column shows the number of the used part.
  • Page 52 Exploded view of general assembly and parts list Block No. M1MM 3-2(No.YD119)
  • Page 53 General assembly Block No. [M][1][M][M]  Symbol No. Part No. Part Name Description Local LG-MBN32047505 TOP COVER 650EK,650ER,650EU,650EY LG-MBN32047501 TOP COVER 652EK,652ER,652EU,652EY,652EZ LG-MCQ32325001 Damper (x4) LG-MAZ32047801 Bracket LG-MCV36525102 TRAY FITTING 650EK,650ER,650EU,650EY LG-MCV36525101 TRAY FITTING 652EK,652ER,652EU,652EY,652EZ  300 LG-6410RBHV06A Power Cord 650EK,652EK ...
  • Page 54 DVD mechanism assembly and parts list Block No. M2MM 015B 015A 012A 012A 3-4(No.YD119)
  • Page 55 DVD mechanism Block No. [M][2][M][M]  Symbol No. Part No. Part Name Description Local LG-EAD34861101 Cable FFC LG-5040R-0083A Damper (x2) 012A LG-5040R-0110A Damper (x2) LG-4400R-0010A Belt LG-4470R-0154A Gear LG-4681R-A015A Motor Unclassified 015A LG-EAU36590901 Motor DC 015B LG-4560R-0008A Pulley LG-EBR34880101 PCB Assembly LG-4470R-0176A Gear LG-MEA32088501...
  • Page 56 LG-0CH1104K942 Capacitor Ceramic Chip 0603F104Z500CT 100nF -20TO+80% LG-EBR35865311 SCART board assembly DV200'S ZORAN 888 SCART PCB AS C205 LG-0CH1104K942 Capacitor Ceramic Chip 0603F104Z500CT 100nF -20TO+80% LG-EBR35945311 Timer board assembly 07 DVD-P JVC Timer IN C206 LG-0CH1104K942 Capacitor Ceramic Chip 0603F104Z500CT 100nF -20TO+80%  PW101 LG-6630V90108A Connector Wafer JE202-2L-03 2P 3.96MM 1R ANGLE...
  • Page 57  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C657 LG-0CH1103K562 Capacitor Ceramic Chip 0603B103K500CT 10nF 10% 50V X7 C7F3 QET61CM-107Z E CAPACITOR SRA5.0TP16VB100M 100uF 20% 16V C658 LG-0CH1104K942 Capacitor Ceramic Chip 0603F104Z500CT 100nF -20TO+80% C7F4 QET61CM-476 E CAPACITOR...
  • Page 58  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R624 NRSA63J-101X MG RESISTOR MCR03EZPJ101 100Ω 5% 1/10W 1 R786 NRSA63J-102X MG RESISTOR MCR03EZPJ102 1KΩ 5% 1/10W 16 R625 LG-0RH0332C622 Resistor Chip MCR03EZPJ330 33Ω...
  • Page 59  Symbol No. Part No. Part Name Description Local SW906 LG-556-219B Switch Tact THVV502GAA 1C1P 12VDC 0.05A HO SW907 LG-556-219B Switch Tact THVV502GAA 1C1P 12VDC 0.05A HO SW908 LG-556-219B Switch Tact THVV502GAA 1C1P 12VDC 0.05A HO  V101 LG-656-004C Varistor 650ER,652ER X601 LG-6212AA2271F Crystal...
  • Page 60 Packing materials and accessories parts list Block No. M3MM 811 PLUG ASS'Y 1WAY(YELLOW) 812 PLUG ASS'Y 2WAY Packing and accessories Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local LG-AFN32666504 INST BOOK 650EK,652EK LG-AFN32666507 INST BOOK 650ER,652ER LG-AFN32666505 INST BOOK 650EU,652EU...

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