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JVC UX-GB9DABB Service Manual

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SERVICE MANUAL
MICRO COMPONENT SYSTEM
7
2006
MB542
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
5
TROUBLE SHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-21
UX-GB9DABB,
UX-GB9DABE,
UX-GB9DABEN
SP-UXGB9DAB
CA-UXGB9DAB

TABLE OF CONTENTS

COPYRIGHT © 2006 Victor Company of Japan, Limited
SP-UXGB9DAB
No.MB542
2006/7

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  • Page 1: Table Of Contents

    SERVICE MANUAL MICRO COMPONENT SYSTEM MB542 2006 UX-GB9DABB, UX-GB9DABE, UX-GB9DABEN SP-UXGB9DAB CA-UXGB9DAB SP-UXGB9DAB Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION 60 W (30 W + 30 W) at 6 Ω (10% THD) Amplifier section Output Power 6 Ω - 16 Ω Speakers/Impedance Audio Input AUX 500 mV/50 kΩ (at "AUX LVL 1") 250 mV/50 kΩ (at "AUX LVL 2") 125 mV/50 kΩ...

  • Page 3: Precaution

    SECTION 1 PRECAUTION Safety Precautions (1) This design of this product contains special hardware and voltmeter. many circuits and components specially for safety purpos- Move the resistor connection to each exposed metal es. For continued protection, no changes should be made part, particularly any exposed metal part having a return to the original design unless authorized in writing by the path to the chassis, and measure the AC voltage across...
  • Page 4 1.5 Safety Precautions (U.K only) (1) This design of this product contains special hardware and many circuits and components specially for safety purposes. For con- tinued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replace- ment parts must be identical to those used in the original circuits.
  • Page 5 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. 1.6.1 Grounding to prevent damage by static electricity Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as laser products.
  • Page 6 Important for laser products 1.CLASS 1 LASER PRODUCT 5.CAUTION : If safety switches malfunction, the laser is able to function. 2.CAUTION : (For U.S.A.) Visible and/or invisible class II laser radiation 6.CAUTION : Use of controls, adjustments or performance of when open.

  • Page 7: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. (No.MB542)1-7...

  • Page 8: Disassembly

    SECTION 3 DISASSEMBLY Main Body 3.1.1 Removing the side panel (See Fig.1 to 3) (1) Remove the one screw A attaching the rear cover. (See Fig.1) (2) Remove the five screws B attaching the side panel and top cover. (See Fig.1) (3) Remove the two screws C attaching the front panel assem- bly.
  • Page 9 3.1.2 Removing the front panel assembly and the top cover (See Fig.4) (1) Remove the two screws D attaching the front panel and top cover. (2) Disconnect the card wire of the switch board from the con- nector CN401 of the micon board. (3) Remove the one screw E attaching the earth wire on the micon board.
  • Page 10 3.1.3 Removing the tuner (See Fig.5, 6) (1) Disconnect the card wire of the tuner from connector CN405 of the micon board. (See Fig.5) (2) Remove the two screws F attaching the tuner. (See Fig.6) 3.1.4 Removing the tuner pack (See Fig.5, 6) (1) Disconnect the card wire from the connector CN408...
  • Page 11 3.1.7 Removing the CD mechanism assembly (See Fig.8) (1) Remove the one screw M attaching the CD mechanism as- sembly. Fig.8 3.1.8 Removing the trans board (See Fig.9, 10) (1) Disconnect the connector wire from the connector CN900 of the trans board. (See Fig.9) (2) Remove the two screws N attaching the trans board.
  • Page 12 3.1.10 Removing the rear panel (See Fig.6, 11) (1) Remove the one screw R attaching the rear panel. (See Fig.6) Rear panel (2) Disengage the two hooks e then remove the rear panel. (See Fig.11) Fig.11 3.1.11 Removing the jack board (See Fig.12) (1) Remove the two screws S attaching the jack board.

  • Page 13: See Fig.

    CD mechanism assembly • Remove the CD mechanism assembly from main body. 3.2.1 Removing the CD cover (See Fig.1) (1) Remove the two screws A attaching the CD cover from bot- tom side of CD mechanism assembly. Boss a Fixing part b (2) Lift up the CD cover from disengage boss a of the CD mechanism assembly.

  • Page 14: See Fig.

    3.2.3 Removing the traverse mechanism assembly (See Fig.4) (1) Remove the four screws C attaching the traverse mecha- CD mechanism assembly nism assembly from bottom side of CD mechanism assem- bly. CD servo board Card wire (2) Disconnect the card wire from connector CN602 of the CD servo board and then take out the traverse mechanism as-...

  • Page 15: See Fig.

    3.2.4 Removing the CD servo board (See Fig.5 and 6) • Remove the traverse mechanism assembly. Solder part e Yellow wire (1) Remove the two screws D attaching the CD servo board from bottom side of traverse mechanism assembly. (See Fig.5) (2) Remove the solder from solder part e of the CD servo White wire...

  • Page 16: No.mb542)1

    3.2.5 Removing the pickup (See Fig.7 to 9) • Remove the traverse mechanism assembly. (1) Remove the one screw E attaching the plate from upper Feed gear Shaft LEAD spring side of traverse mechanism assembly. (See Fig.7) (2) Remove the plate from fixing part k then take out the plate. (See Fig.7) Part m (3) Remove the two screws F attaching the LEAD spring and...
  • Page 17 3.2.7 Removing the feed motor (See Fig.11 to 13) • Remove the traverse mechanism. Yellow wire (1) Remove the yellow wire from solder part q of the CD servo board from upper side of traverse mechanism. (See Fig.11) (2) Remove the white wire from solder part r of the CD servo White wire board.

  • Page 18: Removing The Switch Board See Fig

    3.2.8 Removing the switch board (See Fig.14) (1) Disconnect the card wire from of the switch board Hook v Switch board Wire from bottom side of CD mechanism assembly. (2) Remove the wire from solder part u of the switch board. Solder (3) Remove the one screw H attaching the switch board to CD part u...

  • Page 19: Adjustment

    SECTION 4 ADJUSTMENT Test mode Step Special key function Keys Description Cold start (remocon) 1. Restore factory setting at next AC Power ON. A.STANDBY + SET + DISPLAY Volume level: 12 First source at Power ON: CD Sound Turbo: Enable AHB Pro: Disable FM Preset Channel: restore to factory setting Clock/ Timer: Clear...
  • Page 20 DAB Test mode (1) In DAB mode, Press "AHB pro key" + "set key" + "A.standby key" to enter test mode. (2) At test mode, picture icon will turn on indicate (blinking) that under test mode. (3) First display is syscon version display for 3 sec. (4) Follow onward is DAB module version display.

  • Page 21: Trouble Shooting

    SECTION 5 TROUBLE SHOOTING Maintenance of laser pickup (CD) Replacement of laser pickup (CD) (1) Cleaning the pick up lens Before you replace the pick up, please try to clean the lens Turn off the power switch and, disconnect the with a alcohol soaked cotton swab.
  • Page 22 Victor Company of Japan, Limited Audio/Video Systems Category 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB542) Printed in Japan...
  • Page 23 SCHEMATIC DIAGRAMS MICRO COMPONENT SYSTEM UX-GB9DABB UX-GB9DABE UX-GB9DABEN CD-ROM No.SML200607 SP-UXGB9DAB CA-UXGB9DAB SP-UXGB9DAB Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Contents Block diagrams Standard schematic diagrams Printed circuit boards 2-8 to 10 No.MB542SCH...
  • Page 24 In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the " " mark nearby are critical for safety.

  • Page 25: Block Diagram

    Block diagram CD servo control section System control section DAB Module section TU301 A+C, B+D TBAL, FBAL, FE, TE PICKUP E, F GCTL, RFENV, OFT OUTL IC601 S2UDT(RXDO) DAB TUNER IC651 MD, LD BDO, ARF, /RFDET OUTR CPURST(/RESET) RF & SERVO Vcc2 DABRST IF OUT...
  • Page 26 Standard schematic diagrams Transformer section C901 D901 1N5402M-20 CN901 C900 D900 QGB2510J1-13 1N5402M-20 D903 1N5402M-20 C903 T900 QQT0500-002 Q950 KTC3875/YG/-X RY950 QSK0129-002 D956 C911 1SS133-T2 0.0047 IC951 KIA7805API D955 1N4003S-T5 D950 T950 CN900 1N4003S-T5 B915 QGA7901C1-02 QQT0253-013 D951 1N4003S-T5 C950 1000/25 D952 B914...
  • Page 27 Amplifier section R1260 D1260 IC150 STK432-050-E D1261 D1250 C1402 C1401 D1402 C1250 2A02-M 2200/35 D1401 2A02-M CN150 R1251 EP150 QGB2510K2-13 D1404 QNZ0136-001Z 2A02-M Q1251 C1404 KRA102S-X C1251 2200/35 F1400 T1.6AL,250V C1501 R1502 R1501 C1500 10/35 56p/50 R1514 R1520 D1000 1N4003S-T5 IC110 D1503 D1500...
  • Page 28 Micon section CN402 CN403 QGB2510J1-11 CN400 QGB2510J1-10 QGF1205F2-10 CN401 QGF1205F2-14 R2308 QNB0292-001 R2309 J2600 C2400 C2603 4.7/50 Q2402 KRA102S-X R2404 R2405 C2602 Q2400 KTC2875-X Q2401 KTC2875-X R4047 IC401 BR24L08F-W-X R4039 R4072 R4041 R4073 R4040 100K R4067 R4038 R4037 R4036 R4071 U2SDT2 2.2K D4009...
  • Page 29 Front section C5002 C5003 DI500 QLF0165-001 C5004 0.01/50 R5100 R5104 R5103 R5102 R5101 6.8k 3.9k 2.4k JS500 QSW1059-001 S5104 S5103 S5102 S5101 S5100 QSW0683-001Z QSW0683-001Z QSW0683-001Z QSW0683-001Z QSW0683-001Z CN500 QGF1205F2-14 R5109 R5108 R5107 R5106 R5105 6.8k 3.9k 2.4k C5001 C5000 0.01/50 0.01/50 REMOCON...
  • Page 30 DAB section X321 QAX0733-001 EEPROM R328 SDSPMO0 SDSPMO1 SDSPMO2 SDSPMO3 IC321 MN66720DCUC KEY0 L301,302,303,304 NQR0129-003X DAB BASE BAND MP2 DECODER KEY1 C311 KEY2 KEY3 TESTIN0 MDSPMO3 L301 C308 TESTIN1 MDSPMO2 12.1V C301 X371 QAX0732-001 3.3V AVDD MVSS0 IF AGC C326 C309 2.6V 2.5V...
  • Page 31 CD section C201 CN653 0.1/16 R601 5.6k TBAL C603 0.1/16 FBAL R602 3.9k R267 TXTCK TP622 C604 0.1/16 DRMUTE TXTD CN651 QGF1036F1-17 TXD0 R604 270K K253 /RST_DSP RXD0 R271 REST FLAG C607 TP623 IC251 DQSY C601 C602 MN101C61GNA1 R285 BLKCK K251 R286 NQR0007-002X...

  • Page 32: Printed Circuit Boards

    Printed circuit boards (Trans board) Trans board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) FT911 FT912 (Power amplifier board) S900 C1003 Q1000 C1001 HS110 D1000 R1000 IC110 IC120 C1200 C1100 CN900 FT901 FT902 C1201 C1253...
  • Page 33 Micon board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) (Switch board) (Micon board) S5102 S5103 S5104 S5109 CN400 CN401 R5109 R4046 R5104 R5102 R5103 R4052 R4053 JS500 R4054 R4044 R4047 R4204 R4055 S5107 S5105 S5100...
  • Page 34 CD board DAB board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) forward side C631 forward side R611 CN651 C608 C611...
  • Page 35 < M E M O >...
  • Page 36 Victor Company of Japan, Limited Audio/Video Systems Category 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.MB542SCH)

  • Page 37: Parts List

    PARTS LIST UX-GB9DABB,UX-GB9DABE,UX-GB9DABEN * All printed circuit boards and its assemblies are not available as service parts. - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1) 3- 5 CD mechanism assembly and parts list (Block No.MB) 3- 7 CD loading base assembly and parts list (Block No.MD)
  • Page 38 Exploded view of general assembly and parts list Block No. Trans board Switch board Cover board Jack board...
  • Page 39 Power amplifier board Micon board...
  • Page 40 General Assembly Block No. [M][1][M][M]  Symbol No. Part No. Part Name Description Local GV20428-005A FRONT PNL.ASSY. QYSDSF2608ZA TAP SCREW M2.6 x 8mm(x4) GV30832-006A FL LENS GV30833-004A FRONT BTN.ASSY GV30835-001A VOL.RING LENS GV40678-001A FL SCREEN QYSDSF2608ZA TAP SCREW M2.6 x 8mm(x6) GV40313-002A FELT SPACER (x2)

  • Page 41: Cd Mechanism Assembly And Parts List

    CD mechanism assembly and parts list Block No. FTU-JS1-1M 3.5mm 0.1mm 12.0mm 0.1mm < Back side > Grease JVG-31N JVS-1003 FL-7750E The parts without symbol number are not service.
  • Page 42 CD mechanism Block No. [M][B][M][M]  Symbol No. Part No. Part Name Description Local QAL0750-001 CD PICK UP LV34564-001A RACK ARM QYSPSPT1720MA SCREW M1.7 x 2mm(x2) LV31744-001A P.S.SPRING QYSPSGT1425MA TAP SCREW M1.4 x 2.5mm LV10855-002A TM CHASSIS LV43468-001A T.T ASSY QAR0302-001 SPINDLE MOTOR VKZ4743-002...
  • Page 43 CD loading base assembly and parts list Block No. FMU-MS1-1M Grease JVS-1003 JVG-450 < Back side > Backside CD loading switch board The parts without symbol number are not service.
  • Page 44 CD loading base Block No. [M][D][M][M]  Symbol No. Part No. Part Name Description Local LV11065-004A LOADER SUB ASSY E407140-001SS C.D ROLLER E407149-001SS RUBBER TUBE LV10979-002A TRAY LV35499-001A SHAFT GUIDE LV44022-001A SHAFT QYSSSF2008ZA TAP SCREW M2 x 8mm QYSDSF2008ZA TAP SCREW M2 x 8mm(x2) QAR0197-001 MOTOR...

  • Page 45: Electrical Parts List

    Electrical parts list Micon board  Symbol No. Part No. Part Name Description Local Block No. [0][1] C2214 QETN1HM-106Z E CAPACITOR 10uF 50V M  Symbol No. Part No. Part Name Description Local C2215 QETN1HM-475Z E CAPACITOR 4.7uF 50V M C2216 QETN1HM-475Z E CAPACITOR...

  • Page 46: Trans Board

     Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R2214 NRSA63J-752X MG RESISTOR 7.5kΩ 1/16W J R4200 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R2215 NRSA63J-752X MG RESISTOR 7.5kΩ 1/16W J R4203 NRSA63J-473X MG RESISTOR 47kΩ...
  • Page 47  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local Q1000 KTA1267/YG/-T TRANSISTOR R1501 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J Q1250 2SC3928A/QR/-X TRANSISTOR R1502 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J Q1251 RT1P141C-X DIGI TRANSISTOR ...
  • Page 48  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R386 NRSA63J-221X MG RESISTOR 220Ω 1/16W J C302 NCB31CK-104X C CAPACITOR 0.1uF 16V K R387 NRSA63J-221X MG RESISTOR 220Ω 1/16W J C303 NCB31HK-103X C CAPACITOR 0.01uF 50V K...
  • Page 49  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C654 NCB31CK-104X C CAPACITOR 0.1uF 16V K R662 NRSA02J-101X MG RESISTOR 100Ω 1/10W J C655 NCB31CK-104X C CAPACITOR 0.1uF 16V K R664 NRSA63J-0R0X MG RESISTOR 0Ω...

  • Page 50: Packing Materials And Accessories Parts List

    Packing materials and accessories parts list Block No. No additional / supplemental order of WARRANTY CARDs are available. A1,A5,A6,A7, A8,A9,A10 3-14...
  • Page 51 Packing and Accessories Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local GVT0172-001A INST BOOK GVT0172-002A INST BOOK GER FRE DUT ITA GVT0172-003A INST BOOK SWE FIN DAN GVT0199-001B INFO SHEET B,EN GVT0199-002A INFOR SHEET RM-SUXGB37R REMOTE CONTROL UNIT ----------------- BATTERY (x2)

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