JVC UX-G33B Service Manual
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JVC UX-G33B Service Manual

JVC UX-G33B Service Manual

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SERVICE MANUAL
MICRO COMPONENT SYSTEM
4
MB522
2006
UX-G33B,UX-G33E,UX-G33EN,
UX-G33EV,UX-G30B,UX-G30E,
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20
UX-G30EN,UX-G30EV

TABLE OF CONTENTS

COPYRIGHT © 2006 Victor Company of Japan, Limited
No.MB522
2006/4

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  • Page 1: Table Of Contents

    SERVICE MANUAL MICRO COMPONENT SYSTEM MB522 2006 UX-G33B,UX-G33E,UX-G33EN, UX-G33EV,UX-G30B,UX-G30E, UX-G30EN,UX-G30EV 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 Amplifier section Output Power 60 W (30 W + 30 W) at 6Ω (10% THD) Speakers/Impedance 6Ω - 16Ω Audio Input AUX LVL 1 500 mV/50 kΩ AUX LVL 2 250 mV/50 kΩ AUX LVL 3 125 mV/50 kΩ Tuner section FM tuning range 87.50 MHz - 108.00 MHz...

  • 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 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.

  • Page 7: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. (No.MB522)1-7...

  • Page 8: Disassembly

    SECTION 3 DISASSEMBLY Main body section 3.1.1 Removing the side cover (See Figs.1 and 2) (1) From the rear side of the main body, remove the four screws A attaching the side cover. (See Fig.1.) Side cover (2) From the bottom side of the main body, remove the two screws B attaching the side covers.
  • Page 9 3.1.2 Removing the top cover (See Figs.3 and 4) • Remove the side covers. (1) From the rear side of the main body, remove the screw C Top cover Tuner attaching the top cover. (See Fig.3.) (2) From the both side of the main body, remove the two screws D attaching the top cover.
  • Page 10 3.1.6 Removing the rear panel (See Fig.7) • Remove the top cover, side covers, tuner, rear cover and heat sink. Rear panel (1) From the rear side of the main body, remove the screw J and two screws K attaching the rear panel. (2) From the both side of the main body, release the joint sec- tions c and remove the rear panel.
  • Page 11 3.1.9 Removing the power supply board and power transformer (See Figs. 10 and 11) • Remove the top cover, side covers, tuner, heat sink, rear pan- el, micon board and power amplifier board. Trans board CN900 (1) From the top side of the main body, disconnect the power cord connector CN900 on the trans board.
  • Page 12 3.1.11 Removing the jack board (See Fig.13) • Remove the top cover, side covers, front panel assembly, tun- er, heat sink, rear panel, micon board, power amplifier board Jack board and DVD mechanism assembly. (1) From the top side of the main body, remove the two screws S attaching the jack board on the bottom chassis.
  • Page 13 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: Traverse Mechanism Assembly 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 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 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 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: 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 21 (No.MB522)1-21...
  • Page 22 Victor Company of Japan, Limited Audio/Video Systems Category 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB522) Printed in Japan...

  • Page 23: Parts List

    PARTS LIST UX-G33B,UX-G33E,UX-G33EN,UX-G33EV UX-G30B,UX-G30E,UX-G30EN,UX-G30EV * All printed circuit boards and its assemblies are not available as service parts. - Contents - Exploded view of general assembly and parts list (Block No.M1) Speaker assembly and parts list (Block No.M2) CD mechanism assembly and parts list (Block No.MB) CD loading base assembly and parts list (Block No.MD)

  • Page 24: Exploded View Of General Assembly And Parts List (Block No.m1)

    Exploded view of general assembly and parts list Block No. Switch board Trans board Cover board Jack board...
  • Page 25 Power amplifier board Micon board...
  • Page 26 General Assembly Block No. [M][1][M][M]  Symbol No. Part No. Part Name Description Local GV20428-001A FRONT PNL.ASSY. QYSDSF2608ZA TAP SCREW M2.6 x 8mm(x4) GV30832-003A FL LENS G33B,G33E,G33EN,G33EV GV30832-001A FL LENS G30B,G30E,G30EN,G30EV GV30833-001A FRONT BTN.ASSY GV30835-001A VOL.RING LENS GV40678-001A FL SCREEN QYSDSF2608ZA TAP SCREW M2.6 x 8mm(x6)

  • Page 27: Speaker Assembly And Parts List (Block No.m2)

    Speaker assembly and parts list Block No. The parts without symbol number are not service. Speaker Block No. [M][2][M][M] Symbol No. Part No. Part Name Description Local  SPUXG33E-SPBOX SPK WITH BOX (x2) G33B,G33E,G33EN,G33EV SPUXG30E-SPBOX SPK WITH BOX (x2) G30B,G30E,G30EN,G30EV J201-XG3302G-50 SPK NET ASSY (x2)

  • Page 28: Cd Mechanism Assembly And Parts List (Block No.mb)

    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 29 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 30 CD loading based assembly and parts listt 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 31 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 32: Electrical Parts List (Block No.01~04)

    Electrical parts list Micon board  Symbol No. Part No. Part Name Description Local Block No. [0][1] C2225 QFLC1HJ-272Z M CAPACITOR 2700pF 50V J  Symbol No. Part No. Part Name Description Local C2226 QFLC1HJ-104Z M CAPACITOR 0.1uF 50V J C2227 QFLC1HJ-104Z M CAPACITOR...

  • Page 33: Power Board

     Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R2401 QRJ146J-821X UNF C RESISTOR 820Ω 1/4W J R5603 NRSA63J-243X MG RESISTOR 24kΩ 1/16W J R2402 QRJ146J-821X UNF C RESISTOR 820Ω 1/4W J R5604 NRSA63J-303X MG RESISTOR...
  • Page 34  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local D954 1SS133-T2 SI DIODE R1522 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J D955 1N4003S-T5 SI DIODE R1523 QRJ146J-100X UNF C RESISTOR 10Ω 1/4W J D956 1SS133-T2 SI DIODE...
  • Page 35  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C623 NCB31CK-104X C CAPACITOR 0.1uF 16V K R652 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J C624 QEKJ0JM-107Z E CAPACITOR 100uF 6.3V M R653 NRSA63J-222X MG RESISTOR 2.2kΩ...

  • Page 36: Packing Materials And Accessories Parts List (Block No.m3)

    Packing materials and accessories parts list Block No. No additional / supplemental order of WARRANTY CARDs are available. A1,A2,A3, A5,A6,A7,A8 3-14...
  • Page 37 Packing and Accessories Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local GVT0171-001A INST BOOK G33B,G30B GVT0171-002A INST BOOK GER FRE DUT ITA G33E,G30E GVT0171-003A INST BOOK SWE FIN DAN SPA POR G33EN,G30EN GVT0171-004A INST BOOK CZE POL HUN G33EV,G30EV QAL0014-003 AM LOOP ANT...
  • Page 38 SCHEMATIC DIAGRAMS MICRO COMPONENT SYSTEM UX-G33B,UX-G33E,UX-G33EN UX-G33EV,UX-G30B,UX-G30E UX-G30EN,UX-G30EV CD-ROM No.SML200604 Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Contents Block diagrams Standard schematic diagrams Printed circuit boards 2-7 to 9 No.MB522SCH COPYRIGHT 2006 Victor Company of Japan, Limited.
  • Page 39 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 40: Block Diagram

    Block diagram CD servo control section System control section TBAL, FBAL, FE, TE PICKUP A+C, B+D, E, F IC601 GCTL, RFENV, OFT OUTL S2UDT(RXDO) IC200 BDO, ARF, /RFDET IC651 3.3V MD, LD OUTR CPURST(/RESET) RF & SERVO 3.3V REG. FOCUSING T+/-, F+/- Q2000 to Q2001 COIL...
  • Page 41 Standard schematic diagrams Trans section C901 C901 D901 1N5402M-20 D901 1N5402M-20 CN901 D900 CN901 QGB2510J1-13 C900 C900 D900 1N5402M-20 QGB2510J1-13 1N5402M-20 D903 D903 1N5402M-20 1N5402M-20 C903 C903 T900 QQT0500-004 T900 QQT0500-002 Q950 KTC3875/YG/-X Q950 KTC3875/YG/-X RY950 QSK0129-002 RY950 B934 QSK0129-002 D956 C911 D956...
  • Page 42 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 C1251 KRA102S-X 2200/35 F1400 T1.6AL,250V C1501 R1502 R1501 C1500 10/35 56p/50 R1514 R1520 D1000 1N4003S-T5 IC110 D1503 D1500...
  • Page 43 Micon section CN402 CN403 CN401 CN400 QGB2510J1-11 QGF1205F2-14 QGB2510J1-10 QGF1205F2-10 R2308 R2309 J2600 QNB0292-001 C2400 C2603 4.7/50 Q2402 KRA102S-X R2404 R2405 C2602 Q2400 Q2401 2SD2114K/VW/-X 2SD2114K/VW/-X R4047 IC401 BR24L02F-W-X R4039 R4072 R4041 100K CN404 R4073 R4040 RECR R4067 RECB R4048 R4038 RECL RECH...
  • Page 44 Front section Loader section C5002 C5003 DI500 QLF0165-001 QSW1074-001 C5004 0.01/50 R5104 R5103 R5102 R5101 R5100 6.8k 3.9k 2.4k JS500 S5104 S5103 QSW1059-001 S5102 S5101 S5100 QSW0683-001Z QSW0683-001Z QSW0683-001Z QSW0683-001Z QSW0683-001Z CN500 QGF1205F2-14 QGF1016F3-05 R5109 R5108 R5107 R5106 R5105 6.8k 3.9k 2.4k C5001...
  • Page 45 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 R285 MN101C61GNA1 BLKCK K251 R286 NQR0007-002X...

  • Page 46: Printed Circuit Boards

    Printed circuit boards FT911 FT912 Trans board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) (Power supply board) (Power amplifier board) S900 C1003 Q1000 C1001 HS110 D1000 R1000 IC110 IC120 C1200 C1100 CN900 FT901 FT902 FT140...
  • Page 47 Main board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) (Main board) (Switch board) S5102 S5103 S5104 S5109 CN401 R5109 CN400 R5104 R5102 R5103 R4050 R4052 R4053 R4054 JS500 S5107 S5105 S5100 R4204 R5105 R4046 R4044...
  • Page 48 CD board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) forward side C631 R611 CN651 C608 C611 K250 C255 C802 CN601 C291 K253 R607 C601 R608 C602 C617 R606 R815 C666 C814 R809 R668 IC601 R667...
  • Page 49 Victor Company of Japan, Limited Audio/Video Systems Category 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.MB522SCH)

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