JVC UX-G375A Service Manual

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SERVICE MANUAL

MICRO COMPONENT SYSTEM

7 S ERVICE MANUAL

2011

MB729<Rev.004>

UX-G375A, UX-G375B, UX-G375E, UX-G375EN,

UX-G375EV, UX-G375UP, UX-G375US,

UX-G375UT, UX-G375UW, UX-G377E,

UX-G377EN, UX-G377EV, UX-G377UT,

UX-G395BE, UX-G395BEN, UX-G395BEY,

UX-G395WE, UX-G395WEN, UX-G395WEY

Europe only

For

Russia

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

PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11

No.MB729<Rev.004>

2011/7

Table of Contents

Summary of Contents for JVC UX-G375A

Page 1: Table Of Contents
SERVICE MANUAL MICRO COMPONENT SYSTEM MB729<Rev.004> 2011 7 S ERVICE MANUAL UX-G375A, UX-G375B, UX-G375E, UX-G375EN, UX-G375EV, UX-G375UP, UX-G375US, UX-G375UT, UX-G375UW, UX-G377E, UX-G377EN, UX-G377EV, UX-G377UT, UX-G395BE, UX-G395BEN, UX-G395BEY, UX-G395WE, UX-G395WEN, UX-G395WEY Europe only Russia COPYRIGHT © 2011 Victor Company of Japan, Limited...
Page 2 SPECIFICATION For Europe Amplifier section 60 W (30 W + 30 W) at 6 Ω (10% THD) OUTPUT POWER 6 Ω - 16 Ω Speakers/Impedance Audio input AUDIO IN 500 mV/47 kΩ (at “LEVEL 1”) 250 mV/47 kΩ (at “LEVEL 2”) 125 mV/47 kΩ...
Page 3 For Asia Amplifier section OUTPUT POWER 60 W (30 W + 30 W) at 6 Ω (10% THD) 6 Ω - 16 Ω Speakers/Impedance Audio input AUDIO IN 500 mV/47 kΩ (at “LEVEL 1”) 250 mV/47 kΩ (at “LEVEL 2”) 125 mV/47 kΩ...
Page 4: 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 5 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 6 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 7 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 8: Specific Service Instructions
SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. SECTION 3 DISASSEMBLY Main body (Used model: UX-G377E) (2) Remove the four screws B attaching the Top cover. (See Fig.2) 3.1.1 Removing the Top cover (See Fig.1, 2, 3, 4) (1) Remove the four screws A attaching the Top cover.
Page 9 (4) Disengage two hooks a engaged Top cover. (See Fig.4) 3.1.3 Removing the SMPS board (See Fig.6) (1) Disconnect the earth wire from Tuner pack connected to post pin of the SMPS board. hook (2) Remove the four screws F attaching the SMPS board. (3) Disconnect the connector wire from Display board connect- ed to connector of the SMPS board.
Page 10 (3) Disconnect the connector wire from CD board connected to 3.1.5 Removing the Front panel (See Fig.12, 13, 14) connector of the Loader board. (See Fig.9) (1) Remove the two screws J attaching the Front panel. (See (4) Disconnect the connector wire from CD board connected to Fig.12) connector of Traverse mechanism.
Page 11: Adjustment
3.1.7 Removing the Display board (See Fig.16) 3.1.8 Removing the USB board (See Fig.17) (1) Remove the Volume knob. (1) Remove the six screws M attaching the USB board. (2) Remove the thirteen screws L attaching the Display board. Fig.17 Fig.16 SECTION 4 ADJUSTMENT...
Page 12 Victor Company of Japan, Limited Home & Mobile Electronics Business Group, Personal AV Operation 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB729<Rev.004>) Printed in Japan...
Page 13 PARTS LIST UX-G377E, UX-G377EN, UX-G377EV, UX-G377UT, UX-G375B, UX-G375E, UX-G375EN, UX-G375EV, UX-G375A, UX-G375US, UX-G375UP, UX-G375UT, UX-G375UW MODEL MARK MODEL MARK MODEL MARK UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375A UX-G375US UX-G375UP UX-G375UT UX-G375UW * All printed circuit boards and its assemblies are not available as service parts.
Page 14 Exploded view of general assembly and parts list Block No. USB board MCU board Display board...
Page 15 43 55 79 SMPS board UT,US,UW UT,UP CD board The parts without symbol number are not service.
Page 16 General Assembly Block No. [M][1][M][M] Symbol No. Part No. Part Name Description Local  CD5001091900100 FRONT CABINET 5001-091900100 A,B,C CD5001091900300 FRONT CABINET 5001-091900300 CD5001092000100 FRONT CABINET 5001-092000100 E,F,G,H CD5001092000200 FRONT CABINET 5001-092000200 I,J,K,M CD5002081600300 REAR CABINET 5002-081600300 A,B,C CD5002081600101 REAR CABINET 5002-081600101 CD5002081000300 REAR CABINET...
Page 17  Symbol No. Part No. Part Name Description Local CD6023230100300 SCREW 6023-230100300(x2) CD6024230080200 SCREW 6024-230080200 A,B,C,D,L CD6024230080100 SCREW 6024-230080100 E,F,G,H,I,J,K,M CD6024230080200 SCREW 6024-230080200(x2) A,B,C,D,L CD6024230080100 SCREW 6024-230080100(x2) E,F,G,H,I,J,K,M CD6024230080200 SCREW 6024-230080200 A,B,C,D,L CD6024230080100 SCREW 6024-230080100 E,F,G,H,I,J,K,M CD6034226060100 SCREW 6034-226060100(x2) CD7111091900100 RATING LABEL 7111-091900100 CD7111091900400...
Page 18: Electrical Parts List
Electrical parts list MCU board  Symbol No. Part No. Part Name Description Local Block No. [0][1] C223 CD1121105051020 C CAPACITOR 1121-105051020 A,B,C, D,E,F,  Symbol No. Part No. Part Name Description Local G,H,I,J, C223 CD1121105052020 C CAPACITOR 1121-105052020 IC201 1506780515000-C 1506-780515000 C224...
Page 19  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C273 CD1138272092230 M CAPACITOR 1138-272092230 C336 CD1121105051020 C CAPACITOR 1121-105051020 A,B,C, D,E,F, C274 CD1138272092230 M CAPACITOR 1138-272092230 G,H,I,J, C275 CD1118104084370 M CAPACITOR 1118-104084370 C276 CD1132225083060...
Page 20  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R317 CD1221102062020 C RESISTOR 1221-102062020 R416 CD1221000062020 C RESISTOR 1221-000062020 R318 CD1221102062020 C RESISTOR 1221-102062020 R417 CD1221220062020 C RESISTOR 1221-220062020 R320 CD1221223062020 C RESISTOR 1221-223062020 R418...
Page 21  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local CD1311140070020 DIODE 1311-140070020 CD1237472012000 RESISTOR 1237-472012000 CD1311008200000 DIODE RECTIFIER 1311-008200000 CD1231472042000 RESISTOR 1231-472042000 CD1311001040030 DIODE 1311-001040030 CD1231102042000 RESISTOR 1231-102042000 CD1312005600000 SCHOTTKY DIODE 1312-005600000 A,B,C, CD1231102042000...
Page 22: Display Board
Display board  Symbol No. Part No. Part Name Description Local Block No. [0][3] FB504 CD2721101020000 FERRITE BEAD 2721-101020000  Symbol No. Part No. Part Name Description Local FB505 CD2721101020000 FERRITE BEAD 2721-101020000 FB506 CD2721101020000 FERRITE BEAD 2721-101020000 FB507 CD2721101020000 FERRITE BEAD 2721-101020000 U501...
Page 23  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local SW413 CD3302010143060 TACT SWITCH 3302-010143060 C124 CD1132107053060 E CAPACITOR 1132-107053060 SW501 CD3300000000130 ENCODER 3300-000000130 C127 CD1132477053220 E CAPACITOR 1132-477053220 ZD41 CD1323003510000 Z DIODE 1323-003510000 C129 CD1121105051020...
Page 24  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R104 CD1221121061020 C RESISTOR 1221-121061020 F120 CD2721272030010 FERRITE BEAD 2721-272030010 R105 CD1221103062020 C RESISTOR 1221-103062020 F121 CD1221000062030 C RESISTOR 1221-000062030 R106 CD1221101062020 C RESISTOR 1221-101062020 F122...
Page 25 <MEMO> 3-13...
Page 26: Packing Materials And Accessories Parts List
Packing materials and accessories parts list Block No. No additional / supplemental order of WARRANTY CARDs are available. UT,B,A,US,UP,UW US,UW E,EN,EV A1,A2,A3,A4, A5,A6,A7,A12, A13,A14 The parts without symbol number are not service. 3-14...
Page 27 Packing and Accessories Block No. [M][3][M][M] Symbol No. Part No. Part Name Description Local  CD7202092000100 INST BOOK 7202-092000100 GER CD7202092000600 INST BOOK 7202-092000600 SPA CD7202092002000 INST BOOK 7202-092002000 CHI(TAIWAN) CD7202092000500 INST BOOK 7202-092000500 ENG CD7202092001100 INST BOOK 7202-092001100 RUS CD7202092002100 INST BOOK 7202-092002100 ENG...
Page 28 PARTS LIST MICRO COMPONENT SYSTEM UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY (No.MB729<Rev.004>)1/24...
Page 29 ■ PRECAUTIONS ON SCHEMATIC DIAGRAMS Due to the improvement in performance, some part numbers shown in the circuit diagrams may not agree with those indicated in the Parts List. The parts numbers, values and rated voltage etc. in the Schematic Diagrams are for reference only.
Page 30 Exploded view of general assembly Block No.M1MM SMPS board UT,US,UW CD motor board UT,UP USB board CD board MCU board Display board The parts without symbol number are not service. No.MB729 created date:2011-07-15 (No.MB729<Rev.004>)3/24...
Page 31 MODEL MARK MODEL MARK MODEL MARK MODEL MARK UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY Safe Symbol No. Parts No. Parts Name Description Local General assembly <M1MM> CD5001092000200...
Page 32 MODEL MARK MODEL MARK MODEL MARK MODEL MARK UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY Safe Symbol No. Parts No. Parts Name Description Local CD6013230100120 SCREW 6013-230100120 A,B,C,D,E,F,G,I,N,O,P,Q,...
Page 33 MODEL MARK MODEL MARK MODEL MARK MODEL MARK UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY Safe Symbol No. Parts No. Parts Name Description Local CD6700081000100 FELT CLOTH 6700-081000100...
Page 34 MODEL MARK MODEL MARK MODEL MARK MODEL MARK UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY Safe Symbol No. Parts No. Parts Name Description Local C201 CD1121102082020 C CAPACITOR...
Page 35 MODEL MARK MODEL MARK MODEL MARK MODEL MARK UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY Safe Symbol No. Parts No. Parts Name Description Local C283 CD1132226053060 E CAPACITOR...
Page 36 MODEL MARK MODEL MARK MODEL MARK MODEL MARK UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY Safe Symbol No. Parts No. Parts Name Description Local R215 CD1221242062020 CHIP RESISTOR...
Page 37 MODEL MARK MODEL MARK MODEL MARK MODEL MARK UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY Safe Symbol No. Parts No. Parts Name Description Local R322 CD1221223062020 CHIP RESISTOR...
Page 38 MODEL MARK MODEL MARK MODEL MARK MODEL MARK UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY Safe Symbol No. Parts No. Parts Name Description Local R393 CD1221123062020 CHIP RESISTOR...
Page 39 MODEL MARK MODEL MARK MODEL MARK MODEL MARK UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY Safe Symbol No. Parts No. Parts Name Description Local L212 CD1604101350020 INDUCTOR 1604-101350020...
Page 40 MODEL MARK MODEL MARK MODEL MARK MODEL MARK UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY Safe Symbol No. Parts No. Parts Name Description Local CD1311001040030 DIODE 1311-001040030 CD1311001040010...
Page 41 MODEL MARK MODEL MARK MODEL MARK MODEL MARK UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY Safe Symbol No. Parts No. Parts Name Description Local CD1231243042000 RESISTOR 1231-243042000 B,C,D,E,J,K,L,N,O,P,Q,R,...
Page 42 MODEL MARK MODEL MARK MODEL MARK MODEL MARK UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY Safe Symbol No. Parts No. Parts Name Description Local CK402 CD1121102082020 C CAPACITOR...
Page 43 MODEL MARK MODEL MARK MODEL MARK MODEL MARK UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY Safe Symbol No. Parts No. Parts Name Description Local LH04 CD1606100120000 COIL 1606-100120000...
Page 44 MODEL MARK MODEL MARK MODEL MARK MODEL MARK UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY Safe Symbol No. Parts No. Parts Name Description Local SW403 CD3302010143060 TACT SWITCH...
Page 45 MODEL MARK MODEL MARK MODEL MARK MODEL MARK UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY Safe Symbol No. Parts No. Parts Name Description Local D110 CD1321041480020 DIODE 1321-041480020...
Page 46 MODEL MARK MODEL MARK MODEL MARK MODEL MARK UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY Safe Symbol No. Parts No. Parts Name Description Local C165 CD1121152082021 C CAPACITOR...
Page 47 MODEL MARK MODEL MARK MODEL MARK MODEL MARK UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY Safe Symbol No. Parts No. Parts Name Description Local R143 CD1221000062020 CHIP RESISTOR...
Page 48 MODEL MARK MODEL MARK MODEL MARK MODEL MARK UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY Safe Symbol No. Parts No. Parts Name Description Local F103 CD2721601030020 FERRITE BEADS...
Page 49 Packing materials and accessories Block No.M3MM No additional / supplemental order of WARRANTY CARDs are available. UT,B,A,US,UP,UW US,UW E,EN,EV The parts without symbol number are not service. No.MB729 created date:2011-07-15 (No.MB729<Rev.004>)22/24...
Page 50 MODEL MARK MODEL MARK MODEL MARK MODEL MARK UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY Safe Symbol No. Parts No. Parts Name Description Local Packing and accessories <M3MM>...
Page 51 MODEL MARK MODEL MARK MODEL MARK MODEL MARK UX-G375A UX-G375B UX-G375E UX-G375EN UX-G375EV UX-G375UP UX-G375US UX-G375UT UX-G375UW UX-G377E UX-G377EN UX-G377EV UX-G377UT UX-G395BE UX-G395BEN UX-G395BEY UX-G395WE UX-G395WEN UX-G395WEY Safe Symbol No. Parts No. Parts Name Description Local CD7502081000100 POLY BAG 7502-081000100...
Page 52 SCHEMATIC DIAGRAMS MICRO COMPONENT SYSTEM UX-G375A, UX-G375B, UX-G375E, UX-G375EN, UX-G375EV, UX-G375UP, UX-G375US, UX-G375UT, UX-G375UW, UX-G377E, UX-G377EN, UX-G377EV, UX-G377UT, UX-G395BE, UX-G395BEN, UX-G395BEY, UX-G395WE, UX-G395WEN, UX-G395WEY DVD-ROM No.SML2009S2 Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Page 53 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 54: Block Diagram
Block diagram System control & Audio Amp section X203 IC202 32.768K EEPROM SCLK IC204 IC212 Speaker POWER AMP E,VOLUME IC104 CD traverse IC101, IC102 X101 Q217,Q218 MOTOR Q207 27MHz mechanism 1V8,3V3 REG IC201 AMP_MUTE DRIVER +9V REG AMP_STBY MICON Q205,Q206 Q202,Q203 POWER ON CD PICKUP...
Page 55 Standard schematic diagrams <SMPS Section> FR104 47UF/50V KTA1275A 120uF/200V UF802 S8050C 2302-285000500 T5AL250V 120uF/200V 47K/2W PVCC 10UH 33/2W 4.7K/0.5W 4 7 2/1KV_M 2200UF/35V 33UH PGND PGND FR107 22UF/50V 470UF/35V -25V -25V FR104 FR104 DAIN 1N4007 FQPF5N60C 100UF/16V AGND 330UF/16V FR104 0R47/2W NCP1216D65G2 10UH...
Page 56 <MCU Section 1> To TUNER UNIT +5V_TUNER OPEN (AXIAL) C322 OPEN (AXIAL) CN213 A+12V 47U/16V(L5V) CN201 OPEN 10-PINS FFC HEADER, 1.25MM L211 R358 Q202 120R,1/2W (AXIAL) 100UH,AXIAL 8550C,TO-92 R357 C321 +3V6 33R(L5V) 0.1U(L5V) JK201 100R R359 GP1FA553TZ(L5V) RESET R443 C309 R395 FROM DVD BOARD 4.7U/16V...
Page 57 <MCU Section 2> R220 C280 R215 (LP5) IPOD_L IPOD_R R224 C279 R213 (LP5) R229 R203 C278 R214 TUNER_DAB_R C286 R216 TUNER_DAB_L R201 R202 C284 C285 1000P 1000P R227 R228 C295 2U2/16V R200 100R MCU_SDA R437 100R MCU_SCL SUB_L SUB_R C283 22U/16V C281 C282...
Page 58 <MCU Section 3> R413 A+12V OPEN (1206) C244 R424 R428 R426 0.1U 0R (AM) OPEN 3K9 (L5V) AM_HOP C201 R425 IC214 Z217 R441 R440 1000P (AM) 0R (AM) OPEN OPEN (AXIAL) OPEN OPEN SYNCLK C202 R410 C204 0R (L5V) C209 0R (AM) OPEN C237...
Page 59 <Display section> JW01 +12V_VFD JW02 STBLED_ON VFD1 FB501 JW06 KEY_1 RV515 RV516 QV505 KEY_2 RV510 RV513 RV511 JW10 RV517 JW11 JW20 RV514 EC510 QV504 AC3V5_1 CV512 CV513 IR_RX JW05 FB513 CV514 EC514 RV512 CV501 CV509 QV502 QV501 JW04 -25V CV507 JW07 QV503 EC511...
Page 60 <USB section> AUDIO IN TP1 TP2 JK42 LH03 LH04 CH04 CH03 CP45 CK406 FB42 +5V_USB To SMPS section GND_USB GND_ESD JK43 PTC01 CP42 USB_DM To CD section USB_DP CN114 GND_USB CP41 LINE_LIN LINE_GND HEADPHONE LINE_RIN To MCU section 2 TP4 TP5 TP23 HP_DET CN210 JK41...
Page 61 <CD section> To USB section CD PICKUP CP42 C190 100U/16V, SHORT(LP5) mechanism R169 3-PINS HEADER, 2.0MM, C189 Q105 90 DEGREE (USB) 0.1U (close to CN107) (LP5) AP2301GN CHGND To MCU section 1 CN114 CN102 R170 IC109 CN207 16-PINS FFC HEADER, 1.0MM, 90 DEGREE APPLE C193 +5VV...
Page 62: Printed Circuit Boards
Printed circuit boards <SMPS board (forward side)> <SMPS board (reverse side)> (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))
Page 63 <MCU board (forward side)> <MCU board (reverse side)> (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)) Z211 Z209 Z212 Z204 Q216...
Page 64 <Display/USB board (forward side)> <Display/USB board (reverse side)> (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)) LH01 CK405 FB41 PTC01 JK42...
Page 65 <CD board (forward side)> <CD board (reverse side)> (Lead free solder used in the board (Lead free solder used in the board (material : Sn-Ag-Cu, (material : Sn-Ag-Cu, melting point : 219 Centigrade)) melting point : 219 Centigrade)) C192 D102 C155 R156 C108...
Page 66 < M E M O >...
Page 67 Victor Company of Japan, Limited Home & Mobile Electronics Business Group, Personal AV Operation 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.MB729SCH<Rev.004>)

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JVC UX-G375A Service Manual

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