JVC UXG-37, UXG-38, UXG-39 Service manual

5 (1)

SCHEMATIC DIAGRAMS

UX-G38B,UX-G38E,UX-G38EN

UX-G38EV,UX-G39E,UX-G39EN

UX-G39EV,UX-G37B,UX-G37E

UX-G37EN,UX-G37EV

Contents

Block diagrams

Standard schematic diagrams

Printed circuit boards

2-1

2-2

2-7 to 9

CD-ROM No.SML200705

MICRO COMPONENT SYSTEM

No.MB611SCH

2007/5

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

Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)

CA-UXG37

CA-UXG38

CA-UXG39

SP-UXG38

SP-UXG39

SP-UXG38

SP-UXG39

UX-G39 is derivertive model and different color model of UX-G38.

UX-G37 is different color model of UX-G38.

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.

2-1

USBNPP

CDMCCLK, CDMDATA

CDMLD, CD_NRST

MCLK, MDATA

MLD, NRST

LINEINL/R

LDOPEN

LDCLOSE

SAFETY1

S201

REST SW

Block diagram

CN202

CD pickup

mechanism

CN402

CN103

CN101

CN104

CN201

CN708 CN701

CN203

CN911

CN432

J5001

CN221

CN401

CD traverse

mechanism

IC601

BTL. AMP.

IC101

USB

CONTROLER

IC605

CD/USB

SELECT SW

IC102,Q101

USB 5V REG.

IC721

LOADER

IC602

DSP

IC303

E.VOLUME

IC501

POWER AMP.

Q4601

Q4603

LINEOUT

MUTE

IC452

Q4501

to Q4503

QP LINK

Q4604

Q4606

LINE

VOLUME

S2501 to S2507

S2509 to S2512

KEY MATRIX

IC221

LCD DRIVER

DI221

LCD DISPLAY

IC241

REMOCON

D2411

STANDBY

LED

JS261

VOLUME

CD servo control section

System control & Audio Amp section

LINE/HP/USB Jack section

LCD & Key switch section

Primary & Regulator section

A+C, B+D, E, F

LD, PD

SP+/-

TRV+/-

FO+/-

TR+/-

D+/-

HPOUTL/R

HPDET

LINEOUTL/R

LINEINL/R

USBD+/-

LM+/-

LDOPEN

LDCLOSE

LDSWOP

LDSWCL

TUCE

TUCK

TUDTI

TUDTO

RDSCK

RDSDT

RDSON

TUNERL/R

VFDCLK

VFDSTB

VFDDIN

VFDDOUT

VFDCLK

VFDSTB

VFDDIN

VFDDOUT

KEY0, KEY1

LINEIN, FM/AM

USB, CD

VOL1, VOL2

REMOCON

KEY0, KEY1

LINEIN, FM/AM

USB, CD

LED1

REMOCON

VOL1

VOL2

GR1 to 10

SG1 to 16

PULSW

TRVP, SPOUT

TRP, FOP

CDIRQ

CDL/R

USBCS, USBREQ, USBSDA, USBSCL, USBRST, USBIN

USBCS

USBREQ

USBSDA

USBSCL

USBRST

USBIN

USBSEL

CDCLK

CDDATA

CDLD

CDRST

CDSTAT

CDIRQ

PULSW

LDSWOP

LDSWCL

USBSEL

CDCLK, CDDATA

CDLD, CDRST

CDSTAT

CDL/R

J8001J4352J4351

X601

16.93MHz

X101

12MHz

USB

HEADPHONE

LINE

OUT

LINE

Q3601,Q3602

AHB

AHBPRO

LINP

RINP

POUT

SMUTE

SAFETY3

LMUTE LOUTLEVEL

LSEL0

RSEL0

FQPL

QPLINK

VOLCE

VOLCK

VOLDT

LOPOUT

ROPOUT

SPEAKER

L+/-

R+/-

TUNER

UNIT

Q3501

Q3502

CD8V

REG.

IC373

USB4V

REG.

Q3801 to Q3804

TU9V REG.

Q3401,Q3402

SW9V REG.

IC372

US4V REG.

IC903

US6V REG.

FCD

SAFETY2

FUSB

FTU

FSW9V

CD8V

TU9V

SW9V

US4V

US6V

USB4V

US6V

IC701

MICON

X7001

8MHz

IC702

EEPROM

E2CLK

E2DATA

Q7002

Q7003

BUP

BUPMOD

BUPCTL

RESETIN

Q7001

RESET

USB5V

F+/-

US6V

USB4V

US6V

CD8V

TRAY SWITCH

MOTOR

Loader section

CN1

CN721

-VDISP

Q3701

Q3702

VFD SW

FVFD

D954

P901

CN901

CN373

T901

POWER

TRANS.

IC901

SW REG.

CONTROL

AC IN

D901

DIODE

BRIDGE

16.5V

D951

-VDISP

D953

F+/-

IC401

LINE IN AMP.

HPOUTL/R

HPDET

HPMUTE

IC801

Q8102,Q8103

Q8301

HP AMP./MUTE

LOUT

ROUT

CN709

CN702

2-2

Parts are safety assurance parts.

When replacing those parts make

sure to use the specified one.

Standard schematic diagrams

Primary section

PULSW

CDL

USBSCL

USBRST

LOSWOP

USBCS

LDSWCL

USBREQ

USBIN

USBSDA

USBSEL

CDLD

CDCLK

CDDATA

CDRST

CDSTAT

CDIRQ

CDR

DGND

AGND

0.068/AC275V

C902

220/25

C958

0.001/AC250V

C918

R902

ICP-N10-T

CP901

D950

39/50

C951

0.001/AC250V

C904

680/25

C957

PQ1CG21H2FZ

IC903

VIN

VOUT

GND

Oadj

CTRL

0.1/50

C913

0.1/16 C956

PC123Y82FZ

PC901

KBJ4J

D901

2431

QNG0019-001Z

FC902

7.5K

R951

RB520S-30-X

D905

SF27-B351C

D903

C960

1000/10 C954

R954

ICP-N20-T

CP902

EC30HA04-X D952

680/25

C961

R956

68K

R904

330P/2000

C911

QGB2510K2-10

CN901

1.5k

R952

SF27-B351C

D902

MBR10150CT

D954

3.3M

R901

220/25

C953

330P/2000

C908

0.1/16

C912

QQL56AK-220Z

L954

330P/50

C916

12P/50

C914

2.2/50

C915

100P/AC250V

C906

QNG0019-001Z

FC901

QGA7901C1-02

P901

680/25

C962

0.15/AC275V

C905

47/50

C910

3.3K

R908

0.1/16

C917

470/10

C955

QGF1040F1-23

CN701

MTZJ6.8B-T2

D955

3.9K

R957

FR104-A124-T5

D904

QGB1214K1-20S

CN702

TL431/A/-T

IC902

0.001/AC250V

C901

56K

R905

R955

1F4G-G-T2

D951

100P/AC250V

C903

4.3K

R909

R911

22K

R903

R910

0.0047/2000

C909

1F4G-G-T2

D953

C907

R958

11K

R953

QQL50AK-221Z

L952

QQR1799-001

L901

QQR1800-001

L902

0.0047/2000

C919

2200p/50V

C920

1500P/50

C963

R959

1/4W

MIP4190MDSLJ

IC901

VCC

VDD

F901

! QMFZ059-2R0-E

T2.0AH/250V

QQS0404-001

T901

-VDISP

F-

GND

16.5V

HS901

GN40147-001A

TO CN203 SHEET5

TO CN709 SHEET2

TO CN373 SHEET4

SW9V

LDCLOSE

LDOPEN

100u/400V

R902 C907*

J/C

100u/400V

100u/200V3.3M

LDSWOP

LDOPEN

LDCLOSE

SW9V

LDCLOSE

LDOPEN

SW9V

LDOPEN

LDCLOSE

SW9V

LDSWCL

ALL CAPACITANCE VALUES ARE IN F(P=pF).

CONDITION ---

3.NI MEANS NO INSERT

MYLAR CAPACITOR.

OR OSCILLOSCOPE WITHOUT INPUT SIGNAL.

IN OHM( ).

NOTES

CAPACITANCE( F)

1/4W

ALL CAPACITORS ARE

VOLTAGES ARE DC-MEASURED WITH A DIGITAL

ALL RESISTORS ARE

CARBON FILM RESISTOR

CERAMIC CAPACITOR

ALL CAPACITORS ARE SHOWN IN THE FORM

ALL INDUCTANCE VALUES ARE IN H(m=mH).

UNLESS OTHERWISE SPECIFIED.

ALL RESISTANCE VALUES ARE

VOLT METER

/RATED VOLTAGE (V).

CD STOP MODE

FL+

GNA10051-A1

+ 8 hidden pages