JVC UX-G30B Service Manual Download Page 38 | Manualshive

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JVC UX-G30B Service Manual Download Page 38

SCHEMATIC DIAGRAMS

UX-G33B,UX-G33E,UX-G33EN

UX-G33EV,UX-G30B,UX-G30E

UX-G30EN,UX-G30EV

Contents

Block diagrams
Standard schematic diagrams
Printed circuit boards

2-1
2-2
2-7 to 9

CD-ROM No.SML200604

MICRO COMPONENT SYSTEM

No.MB522SCH

2006/4

COPYRIGHT 2006 Victor Company of Japan, Limited.

Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)

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Summary of Contents for UX-G30B

Page 1: ...STEM MB522 2006 4 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 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 7 3 DISASSEMBLY 1 8 4 ADJUSTMENT 1 19 5 TROUBLE SHOOTING 1 20 ...

Page 2: ...ge 87 50 MHz 108 00 MHz AM MW tuning range 522 kHz 1 629 kHz CD player section Dynamic range 88 dB Signal to noise ratio 93 dB Wow and flutter Immeasurable Speakers Speaker units 10 cm cone 1 1 5 cm dome 1 Impedance 6Ω Dimensions approx 140 mm 231 mm 195 mm W H D Mass approx 1 7 kg each General Power requirement AC 230 V 50 Hz Power consumption 60 W at operation 11 W on standby display on 0 95 W o...

Page 3: ...ack control shafts etc to be sure the product is safe to operate without danger of electrical shock Do not use a line isolation transformer during this check Plug the AC line cord directly into the AC outlet Using a Leakage Current Tester measure the leakage current from each exposed metal parts of the cabinet particular ly any exposed metal part having a return path to the chassis to a known good...

Page 4: ...same safety characteristics as the recommended replacement parts shown in the Parts List of the Service Manual and may create shock fire or other hazards 4 The leads in the products are routed and dressed with ties clamps tubings barriers and the like to be separated from live parts high temperature parts moving parts and or sharp edges for the prevention of electric shock and fire hazard When ser...

Page 5: ... laser diode in the optical pickup The tester s internal power source can easily destroy the laser diode 1 7 Handling the traverse unit optical pickup 1 Do not subject the traverse unit optical pickup to strong shocks as it is a sensitive complex unit 2 Cut off the shorted part of the flexible cable using nippers etc after replacing the optical pickup For specific details refer to the replacement ...

Page 6: ...ION AND POSITION OF LABELS Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check CLASS 1 LASER PRODUCT WARNING LABEL CAUTION VISIBLE AND OR INVISIBLE CLASS 1M LASER RADIATION WHEN OPEN DO NOT STARE INTO BEAM OR VIEW DIRECTLY WITH OPTICAL INSTRUMENTS VARNING SYNLIG OCH ELLR OSYNLIG LASERSTRALING KLASS 1M NAR DENNADELAR OPPNAD STIRRAEJ IN I ST...

Page 7: ... No MB522 1 7 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Page 8: ...d 2 1 From the rear side of the main body remove the four screws A attaching the side cover See Fig 1 2 From the bottom side of the main body remove the two screws B attaching the side covers See Fig 2 3 Remove the both side covers in the direction of the arrow See Fig 2 Fig 1 Fig 2 A A Side cover B B ...

Page 9: ...ssembly and then remove the front panel assembly 3 1 4 Removing the tuner See Figs 4 and 5 Remove the top cover and side covers 1 From the right side of the main body disconnect the card wire from the connector CN405 on the micon board See Fig 4 2 Remove the two screws E attaching the tuner to the rear panel See Fig 5 3 1 5 Removing the heat sink See Figs 5 and 6 Remove the top cover and side cove...

Page 10: ...the screw M attach the earth wire with it 3 Disconnect the card wires from the connectors CN400 CN401 CN405 CN406 on the micon board See Fig 8 4 Disconnect the connectors CN402 CN403 on the micon board from the power amplifier board See Fig 8 Note When removing the micon board take care not to break the claw of the connector on it 5 Remove the micon board from the main body Fig 7 Fig 8 3 1 8 Remov...

Page 11: ...the main body See Fig 10 3 From the left side of the main body remove the screw Q and then remove the trans board and power transformer See Fig 11 Fig 10 Fig 11 3 1 10 Removing the DVD mechanism assembly See Fig 12 Remove the top cover side covers front panel assembly tun er heat sink rear panel micon board and power amplifier board From the top side of the main body remove the screw R attach ing ...

Page 12: ...3 3 1 12 Removing the switch board See Figs 14 and 15 Remove the top cover side covers and front panel assembly 1 From the front side of the front panel assembly pull out the volume knob in the direction of the arrow See Fig 14 2 From the inside of the front panel assembly remove the six screws T and T attaching the switch board See Fig 15 Reference When attaching the screw T attach the earth wire...

Page 13: ...g 1 3 2 2 Removing the tray assembly See Fig 2 and 3 Remove the CD cover 1 Press slide cam and pull out the tray assembly to direction of the arrow from right side of CD mechanism assembly See Fig 2 2 Remove the two screws B attaching the tray assembly from upper side of CD mechanism See Fig 3 3 Remove the bussing of the tray assembly from boss c of the CD mechanism assembly and remove the tray as...

Page 14: ...CD mechanism assem bly 2 Disconnect the card wire from connector CN602 of the CD servo board and then take out the traverse mechanism as sembly and CD servo board together Reference When reattaching the traverse mechanism assembly the card wire should through the part d Fig 4 CD mechanism assembly CN602 CD servo board C C d Card wire Traverse mechanism assembly ...

Page 15: ...ard See Fig 5 6 Solder to short land part j of pickup See Fig 6 7 Release the lock of connector CN601 to direction of the ar row 2 and disengage the card wire See Fig 6 Caution Solder to short land part j of the pickup then disconnect the card wire from connector CN601 of the CD servo board If disconnect the card wire before soldering pickup is make sure destroyed by static electricity See Fig 6 W...

Page 16: ...e pickup then disconnect the card wire from connector If disconnect the card wire before soldering pickup is make sure destroyed by static electricity See Fig 9 When reattaching the pickup connect the card wire to con nector and then remove the solder from short land part p See Fig 9 3 2 6 Attaching the pickup See Fig 7 to 10 Please refer the Removing the pickup 1 Connect the card wire to connecto...

Page 17: ...ttaching the plate See Fig 12 4 Disengage the plate from fixing part s and take out the plate See Fig 12 5 Remove the feed gear and take out the feed motor See Fig13 Reference When attaching the feed motor the wire has to through the part t of the traverse mechanism assembly See Fig 13 Fig 11 Fig 12 Fig 13 Traverse mechanism assembly CD servo board Yellow wire White wire Soldered part q Soldered p...

Page 18: ...nism assembly it have to bond lock 3 2 9 Removing the motor See Fig 14 and 15 Remove the tray assembly 1 Remove the wire from solder part u of the switch board from bottom side of CD mechanism assembly 2 Remove the belt of motor pulley from upper side of CD mechanism assembly See Fig 15 Caution Belt should not apply grease 3 Remove the two screws J attaching the motor to CD mech anism assembly and...

Page 19: ...ode Pressing DIMMER key at Power Standby NG Safety trigger NG 3 Press any key except SOUND TURBO on the unit or CANCEL key remocon will exit test mode 4 5 remocon A STANDBY SET AHB PRO remocon A STANDBY SET BASS TREBLE 1 Display ROM version for 5 seconds 2 Example 37R06107 Digit 1 and 2 ROM version 37 Digit 3 and 4 ROM Correction version 0 Digit 5 ROM issue year 2006 Digit 6 ROM issue month Januar...

Page 20: ...e whole optical block do not touch the semi fixed resistor If the laser power is lower than the specified value the la ser diode is almost worn out and the laser pickup should be replaced If the semi fixed resistor is adjusted while the pickup is functioning normally the laser pickup may be damaged due to excessive current 5 2 Replacement of laser pickup CD Is the level of RFOUT under 1 25V 0 22Vp...

Page 21: ... No MB522 1 21 ...

Page 22: ... No MB522 Audio Video Systems Category 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan Victor Company of Japan Limited VPT Printed in Japan ...

Page 23: ...st 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 Electrical parts list Block No 01 04 Packing materials and accessories parts list Block No M3 UX G33B UX G33E UX G33EN UX G33EV UX G30B UX G30E UX G30EN UX G30EV 3 2 3 5 3 6 3 8 3 10 3 14 MB522 ...

Page 24: ... view of general assembly and parts list A c B C K K L L J D C a Block No M M M 1 Trans board Switch board Jack board Cover board f 1 17 42 3 43 7 5 10 54 48 4 6 55 2 41 44 40 14 1 10 4 56 9 16 26 47 38 50 15 8 19 ...

Page 25: ...3 3 c A B J L J D F G b d b e a e B F G H E H E d Power amplifier board Micon board f 25 20 13 35 25 39 21 57 52 33 29 24 34 31 32 51 53 58 12 18 41 40 27 30 36 37 45 28 49 23 46 50 11 22 ...

Page 26: ... 011A REAR PANEL G33EV 27 GV20399 001A REAR PANEL G30B G30E G30EN 27 GV20399 002A REAR PANEL G30EV 28 QAU0413 001 TUNER 29 QYSBSGY3008EA TAP SCREW M3 x 8mm x2 30 GV30841 002A HEAT SINK 31 QYSBSGY3008EA TAP SCREW M3 x 8mm x4 32 QYSBSGY3008EA TAP SCREW M3 x 8mm 33 QYSBSGY3008EA TAP SCREW M3 x 8mm x2 34 QYSBSGY3008EA TAP SCREW M3 x 8mm 35 QYSBSG3020ZA TAP SCREW M3 x 20mm x2 36 GV20400 001A REAR COVER...

Page 27: ... SPBOX SPK WITH BOX x2 G33B G33E G33EN G33EV 1 SPUXG30E SPBOX SPK WITH BOX x2 G30B G30E G30EN G30EV 2 J201 XG3302G 50 SPK NET ASSY x2 G33B G33E G33EN G33EV 2 J201 XG3001G 50 SPK NET ASSY x2 G30B G30E G30EN G30EV 3 441 910102 00 RUBBER CUSHION x8 Block No M M M 2 3 3 2 1 The parts without symbol number are not service ...

Page 28: ... list Block No M M M B 18mm 3 5mm A A a a 0 1mm 12 0mm 0 1mm 0 1mm FTU JS1 1M Back side The parts without symbol number are not service 19 11 16 4 1 20 2 7 13 12 6 15 8 18 14 17 3 9 5 10 7 6 8 12 13 11 10 JVG 31N JVS 1003 FL 7750E Grease ...

Page 29: ...855 002A TM CHASSIS 7 LV43468 001A T T ASSY 8 QAR0302 001 SPINDLE MOTOR 9 VKZ4743 002 SPECIAL SCREW x2 10 LV40157 001A SCREW SHAFT 11 LV43651 001A SS GEAR 12 LV43650 001A F MOTOR GEAR 13 QAR0303 001 FEED MOTOR 14 QYSPSPT2030MA SCREW M2 x 3mm 15 LV34565 002A F MIDDLE GEAR 16 LV34563 001A SHAFT HOLDER 17 QYSPSFT1740ZA TAP SCREW M1 7 x 4mm 18 QYSBSF2006ZA TAP SCREW M2 x 6mm x2 19 LV30225 073A SPACER ...

Page 30: ...M D 7 75mm 0 10mm h j h FMU MS1 1M Backside The parts without symbol number are not service c e d CD loading switch board f Back side e f c d g g j 1 13 11 2 3 9 10 4 15 18 15 17 6 16 14 12 26 20 19 25 24 23 21 27 21 23 22 23 22 23 8 5 7 JVS 1003 JVG 450 Grease ...

Page 31: ...OADING MOTOR 10 LV43844 002A MOTOR PULLEY 11 QYSPSPU1730ZA SCREW M1 7 x 3mm x2 12 QYSDSF2008ZA TAP SCREW M2 x 8mm 13 LV43974 001A BELT 14 LV21852 003A CLAMPER BASE 15 QYSDSF2008ZA TAP SCREW M2 x 8mm x2 16 LV41741 004A SPECIAL SCREW 17 LV34586 002A CD CLAMPER 18 LV42930 003A P C MAGNET 18 or LV41118 003A P C MAGNET 19 LV43848 001A YOKE 20 LV43958 001A SPECIAL SCREW 21 LE40900 003A INSULATOR x2 22 L...

Page 32: ...CITOR 1uF 50V M C2302 NCB31AK 154X C CAPACITOR 0 15uF 10V K C2310 QETN1HM 105Z E CAPACITOR 1uF 50V M C2400 QETN1HM 475Z E CAPACITOR 4 7uF 50V M C2600 NCB31HK 392X C CAPACITOR 3900pF 50V K C2601 NCB31HK 392X C CAPACITOR 3900pF 50V K C2604 NCB31HK 392X C CAPACITOR 3900pF 50V K C2605 NCB31HK 392X C CAPACITOR 3900pF 50V K C4001 NCB31HK 103X C CAPACITOR 0 01uF 50V K C4002 NCB31HK 103X C CAPACITOR 0 01u...

Page 33: ...5101 NRSA63J 242X MG RESISTOR 2 4kΩ 1 16W J R5102 NRSA63J 392X MG RESISTOR 3 9kΩ 1 16W J R5103 NRSA63J 682X MG RESISTOR 6 8kΩ 1 16W J R5104 NRSA63J 153X MG RESISTOR 15kΩ 1 16W J R5105 NRSA63J 911X MG RESISTOR 910Ω 1 16W J R5106 NRSA63J 242X MG RESISTOR 2 4kΩ 1 16W J R5107 NRSA63J 392X MG RESISTOR 3 9kΩ 1 16W J R5108 NRSA63J 682X MG RESISTOR 6 8kΩ 1 16W J R5109 NRSA63J 153X MG RESISTOR 15kΩ 1 16W J...

Page 34: ... 101X UNF C RESISTOR 100Ω 1 4W J R1515 NRSA63J 221X MG RESISTOR 220Ω 1 16W J R1516 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R1517 NRSA63J 222X MG RESISTOR 2 2kΩ 1 16W J R1518 NRSA63J 221X MG RESISTOR 220Ω 1 16W J R1519 QRT01DJ R22X MF RESISTOR 0 22Ω 1W J R1520 QRJ146J 101X UNF C RESISTOR 100Ω 1 4W J R1521 NRSA63J 222X MG RESISTOR 2 2kΩ 1 16W J Symbol No Part No Part Name Description Local R1522 NRSA6...

Page 35: ...R 47kΩ 1 16W J R604 NRSA63J 274X MG RESISTOR 270kΩ 1 16W J R605 NRSA63J 0R0X MG RESISTOR 0Ω 1 16W J R606 NRSA63J 0R0X MG RESISTOR 0Ω 1 16W J R607 NRSA63J 473X MG RESISTOR 47kΩ 1 16W J R608 NRSA63J 473X MG RESISTOR 47kΩ 1 16W J R611 NRSA63J 562X MG RESISTOR 5 6kΩ 1 16W J R613 NRSA63J 472X MG RESISTOR 4 7kΩ 1 16W J R617 NRSA63J 152X MG RESISTOR 1 5kΩ 1 16W J R631 NRSA63J 2R2X MG RESISTOR 2 2Ω 1 16W ...

Page 36: ...3 14 Packing materials and accessories parts list Block No M M M 3 P1 P8 P2 P5 P3 P9 P7 P4 P8 P6 No additional supplemental order of WARRANTY CARDs are available A4 A9 A1 A2 A3 A5 A6 A7 A8 ...

Page 37: ...NT WIRE A 4 RM SUXG30R REMOCON UNIT A 5 BATTERY x2 A 6 WARRANTY CARD BT 54028 1 A 7 GV30898 001A I B LABEL A 8 VNA3000 204 REGIST CARD G33B G30B A 9 GV30892 001A COMPUTER LABEL P 1 GV20439 004A CARTON ASSY G33B G33E G33EN G33EV P 1 GV20401 004A CARTON ASSY G30B G30E G30EN G30EV P 2 GV10299 001A CUSHION UPPER P 3 GV10298 001A CUSHION BOTTOM P 4 GV30852 001A CARTON SPACER P 5 QPC05006515P POLY BAG 5...

Page 38: ...EV Contents Block diagrams Standard schematic diagrams Printed circuit boards 2 1 2 2 2 7 to 9 CD ROM No SML200604 MICRO COMPONENT SYSTEM No MB522SCH 2006 4 COPYRIGHT 2006 Victor Company of Japan Limited Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade ...

Page 39: ...ponent 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: ... FKEY1 Q5000 D5002 STANDBY LED LED CTL IC501 REMOCON REMOCON JS500 ENCODER VOLM VOLP IC500 FL DRIVER DI500 FL DISPLAY D520 DIMMER LED ILLUM_CTL ILUM_LED ILUM_DIM P1 to P16 G1 to G10 J5500 J5600 IC566 Q560 QP LINK IC565 AUX AMP CN550 Headphone AUX out section QP LINK AUXL AUXR AUXSW HPL HPR HPSW HEADPHONE AUX OUT D955 IC951 US5 6V REG D950 to D953 DIODE BRIDGE D901 to D903 DIODE BRIDGE Trans sectio...

Page 41: ... 1N4003S T5 1N4003S T5 220 100 1N4003S T5 QGB2510J1 13 KIA7805API QGB2510J1 13 QSK0129 002 0 0047 1N4003S T5 QQT0500 002 KIA7805API QSK0129 002 1N4003S T5 MTZJ10B T2 KIA7805API 0 0047 QQT0500 004 1N4003S T5 QQT0500 003 1N4003S T5 QMF51W2 1R6 J8 QQT0370 012 1SS133 T2 QSK0129 002 1N5402M 20 1N5402M 20 1N5402M 20 QQT0253 013 1SS133 T2 1N4003S T5 QGA7901C1 02 QQT0253 002 QGA7901C1 02 1SS133 T2 QGA7901...

Page 42: ... C1601 D1600 R1600 Q1250 R1250 R1523 R1509 R1527 C1406 Q1651 Q1650 Q1000 C1403 R1528 R1503 C1515 C1516 C1508 C1509 R1504 STK432 050 E NI 56p 50 T1 6AL 250V 5p 50 5p 50 10 35 10 35 220 25 2A02 M 1K 1K 3K KTC3875 YG X 100 56K 56K KIA7809API KTC3875 YG X MTZJ9 1B T2 KIA278R12PI U P NI NI 3 3K 100 QGB2510K2 10 QNZ0136 001Z 10K 120K 100K 100K 82K 22 50 10K KTC3875 YG X 2200 35 2200 35 KRA102S X QSK0127...

Page 43: ...010 R4014 R4011 Q4200 R4009 R4008 D4201 C2220 C2240 R4203 R4043 B2305 D4005 R4015 NI 1K QGF1210G1 06 1K 1K NI 20K 0 1 50 20K BR24L02F W X QGF1205F2 14 NI QGF1036C2 17 QNB0292 001 15K QUY150 050Y 1K 2 2K 2SD2114K VW X 10K QGB2510J1 10 10K KRA102S X 4 7 50 2SD2114K VW X 1K KIA78R33PI 10K 10K QUY150 050Y MN101C49GFB 2 2K 2 2K 2 2K 2 2K 10K 47K 47K 51K 120K NI NI 150K 1K 2 2K 150K NI QGF1205F2 10 10K ...

Page 44: ...I 343URC W T QSW0683 001Z QSW0683 001Z KRC102S X 30k 24k QNS0173 001 30k QSW0683 001Z QNS0173 001 NI 0 01 50 47 0 01 50 NI NI NI 0 001 50 QGF1205C2 10 1k 15k 6 8k 0 01 50 NI NI QNZ0136 001Z RC4558D X QGF1205F2 14 QLF0165 001 2 2 50 100k 3 9k 2 4k QSW0683 001Z 0 01 50 QSW0683 001Z QSW0683 001Z 2 2 50 QSW0683 001Z 910 SELU1E54CM P 6 8k QSW0683 001Z 1k 24k NI NI 100K 100K 15k 910 47 25 QSW0683 001Z Q...

Page 45: ...05 QGF1036F1 17 100 16 3 9k 5 6k NI NI 2SB1424 QR W 1 16 NI NI NQR0007 002X 47k 47k NI 150 NQR0007 002X 680 680 560 560 NI NI 0 0022 0 0022 100 QAX0684 001Z 2SB1424 QR W 10k 22 6 3 1k 0 1 16 47 6 3 1k 1k NI NI 0 100 6 3 0 1 16 NI 0 0 1 16 NI 0 1 16 0 1 680p 15k 15k 2 2k 4 7k 0 1 0 1 16 1k 1k 1k 1k 1k NAX0476 001X 10p 10p 0 1 1k 33k 1k 0 1 16 1 5k NI 0 18k 0 1 16 22k 4 7k 2 2k 220 10 2 2k 15k QSW10...

Page 46: ... D1002 D1250 D1500 D1501 D1502 D1503 D1600 D1851 IC110 IC120 IC150 L1500 L1501 Q1000 Q1500 Q1501 Q1502 Q1600 Q1601 Q1650 Q1651 Q1652 Q1850 R1000 R1500 R1501 R1502 R1503 R1504 R1505 R1506 R1507 R1508 R1509 R1510 R1511 R1512 R1513 R1514 R1515 R1516 R1517 R1518 R1519 R1520 R1521 R1522 R1523 R1524 R1525 R1526 R1527 R1528 R1529 R1530 R1531 R1532 R1533 R1534 R1600 R1601 Q1851 R1652 R1653 R1851 RY185 EP1...

Page 47: ...9 R4010 R4011 R4014 R4015 R4016 R4017 R4018 D4000 R4020 R4022 R4023 R4024 R4025 R4026 R4027 R4028 R4029 R4030 R4031 R4032 R4033 R4034 R4036 R4037 R4038 R4039 R4040 R4041 R4043 R4044 CN400 R4046 R4047 R4048 R4049 R4050 R4052 R4053 R4054 R4055 R4056 R4057 R4058 R4059 R4060 R4061 R4062 R4063 R4064 R4065 R4066 R4067 R4068 R4070 R4200 D4203 D4204 R4203 X4000 C2206 C2205 C2228 C2229 Q2100 D4005 D2301 D2...

Page 48: ...Q654 R255 R256 R259 R265 R271 R274 R278 R293 R294 R295 R296 R297 R601 R602 R603 R604 R605 R606 R607 R608 R611 R613 R618 R619 R636 R651 R654 R655 R656 R657 R659 R661 R665 R666 R667 R668 R672 R673 R676 R678 R679 R682 R683 R801 R802 R803 R804 R805 R806 R807 R808 R809 R811 R812 R813 R814 R815 R816 R817 K250 SW601 X251 X651 M601 CN651 C851 Q851 R851 C252 C690 C291 C609 C612 C621 C622 C624 C631 C632 C63...

Page 49: ...Victor Company of Japan Limited No MB522SCH Printed in Japan VPT Audio Video Systems Category 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan ...

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