JVC UXG-37, UXG-38, UXG-39 Service manual
SCHEMATIC DIAGRAMS
MICRO COMPONENT SYSTEM
UX-G38B,UX-G38E,UX-G38EN
UX-G38EV,UX-G39E,UX-G39EN
UX-G39EV,UX-G37B,UX-G37E
UX-G37EN,UX-G37EV
CD-ROM No.SML200705
SP-UXG38
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.
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)
Contents
Block diagrams
Standard schematic diagrams
Printed circuit boards
COPYRIGHT 2007 Victor Company of Japan, Limited.
CA-UXG37
CA-UXG38
CA-UXG39
SP-UXG38
SP-UXG38
SP-UXG39
2-1
2-2
2-7 to 9
No.MB611SCH
2007/5
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.
Block diagram
LCD & Key switch section
D2411
STANDBY
DI221
LCD DISPLAY
LED
LED1
IC221
LCD DRIVER
KEY0, KEY1
S2501 to S2507
S2509 to S2512
LINEIN, FM/AM
USB, CD
KEY MATRIX
VOL1
JS261
VOL2
VOLUME
IC241
REMOCON
REMOCON
LINE/HP/USB Jack section
LINE
IN
LINE
LINE IN AMP.
LINEOUTL/R
OUT
HPOUTL/R
J8001J4352J4351
HEADPHONE
HPDET
CN103
USB
SP+/-
CD traverse
mechanism
TRV+/-
FO+/-
CN202
TR+/-
CD pickup
mechanism
S201
REST SW
S1
TRAY SWITCH
LOADING
MOTOR
M
Loader section
PULSW
LDSWOP
LDSWCL
CN721
CN1
LM+/-
CD servo control section
GR1 to 10
SG1 to 16
IC401
CN104
CN101
USBD+/-
IC101
USB
CONTROLER
BTL. AMP.
IC721
LOADER
System control & Audio Amp section
F+/-
VFDCLK
VFDSTB
VFDDIN
VFDDOUT
-VDISP
CN221
LINEINL/R
CN402
LINEINL/R
LINEOUTL/R
CN401
HPOUTL/R
HPDET
VFDCLK
VFDSTB
VFDDIN
VFDDOUT
KEY0, KEY1
LINEIN, FM/AM
USB, CD
VOL1, VOL2
CN432
REMOCON
-VDISP
Q3701
Q3702
F+/-
FVFD
VFD SW
F+/-
D+/-
USB5V
USBNPP
USBCS, USBREQ, USBSDA, USBSCL, USBRST, USBIN
CDMCCLK, CDMDATA
CDMLD, CD_NRST
12MHz
IC601
LDOPEN
LDCLOSE
IC102,Q101
USB 5V REG.
X101
TRVP, SPOUT
TRP, FOP
A+C, B+D, E, F
LD, PD
US6V
IC605
CD/USB
SELECT SW
CDSTAT
MCLK, MDATA
MLD, NRST
IC602
DSP
IC801
Q8102,Q8103
Q8301
HP AMP./MUTE
HPMUTE
E2CLK
E2DATA
IC702
EEPROM
USB4V
US6V
CD8V
USBSEL
CDCLK, CDDATA
CDLD, CDRST
CDIRQ
CDL/R
X601
16.93MHz
X7001
8MHz
CN201
CN203
Q4601
Q4603
Q4604
Q4606
LINEOUT
MUTE
LMUTE LOUTLEVEL
VOLUME
IC701
MICON
BUPMOD
BUPCTL
Q7002
Q7003
BUP
CN708 CN701
Q7001
RESET
USB4V
Primary & Regulator section
LINE
RESETIN
IC452
Q4501
to Q4503
QP LINK
FUSB
IC373
USB4V
REG.
US6V
CD8V
FQPL
QPLINK
FCD
SAFETY2
Q3501
Q3502
CD8V
REG.
16.5V
USBCS
USBREQ
USBSDA
USBSCL
USBRST
USBIN
USBSEL
CDCLK
CDDATA
CDLD
CDRST
CDSTAT
CDIRQ
PULSW
LDSWOP
LDSWCL
CN709
CN702
CDL/R
L5
R5
LSEL0
RSEL0
LOUT
ROUT
VOLCE
VOLCK
VOLDT
CDL/R
IC303
E.VOLUME
LDOPEN
LDCLOSE
F+/-
D953
FSW9V
CN373
CN901
-VDISP
D951
LOPOUT
ROPOUT
TUNERL/R
Q3601,Q3602
SW9V
Q3401,Q3402
SW9V REG.
16.5V
US4V
IC372
US4V REG.
US6V
US6V
IC903
US6V REG.
AHB
D954
AHBPRO
SAFETY1
16.5V
LINP
RINP
POWER AMP.
FTU
Q3801 to Q3804
TU9V REG.
IC901
SW REG.
CONTROL
T901
POWER
TRANS.
IC501
POUT
SMUTE
SAFETY3
16.5V
TUCE
TUCK
TUDTI
TUDTO
RDSCK
RDSDT
RDSON
TU9V
D901
DIODE
BRIDGE
L+/R+/-
J5001
TO
SPEAKER
CN911
P901
AC IN
TUNER
UNIT
2-1
Standard schematic diagrams
A
Primary section
D901
KBJ4J
!
F901
! QMFZ059-2R0-E
T2.0AH/250V
FC901
QNG0019-001Z
C
21
P901
QGA7901C1-02
FC902
QNG0019-001Z
!
!
*
C905
R901
3.3M
C903
R902
!
0.15/AC275V
100P/AC250V
!
L901
QQR1799-001
!
!
1
C902
23
C904
!
0.068/AC275V
!
0.001/AC250V
C901
IC901
MIP4190MDSLJ
4
C906
100P/AC250V
HS901
GN40147-001A
2431
0.001/AC250V
!
D
NC
VDD
S
VCC
TR
FB
L902
QQR1800-001
!
1
C919
4
23
C911
330P/2000
7
6
C912
0.1/16
5
4
3
2
1
C913
C914
12P/50
RB520S-30-X
D905
3.3K
R908
R909
4.3K
C916
330P/50
0.0047/2000
0.1/50
C915
2.2/50
0.0047/2000
!
C909
*
C907
!
C908
330P/2000
!
R903
22K
2W
!
D902
SF27-B351C
D903
!
SF27-B351C
1
3
5
56K
R905
C920
2200p/50V
68K
R904
6
C910
47/50
NI
R911
!
D904
R910
10
FR104-A124-T5
C917
0.1/16
!
C918
0.001/AC250V
!
!
TL431/A/-T
T901
QQS0404-001
PC901
PC123Y82FZ
32
IC902
14
1
23
!
D954
MBR10150CT
7
1500P/50
C963
8
D951
10
1F4G-G-T2
680/25
680/25
C961
C957
C951
39/50
!
!
R959
10
FR
1/4W
D950
NI
11
C955
470/10
!
!
12
D953
CP901
1F4G-G-T2
ICP-N10-T
R951
7.5K
1.5k
R952
C960
1
R953
11K
R954
1k
NI
2K
R955
R956
L954
QQL56AK-220Z
C958
220/25
680/25
C962
IC903
PQ1CG21H2FZ
VIN2VOUT3GND4Oadj5CTRL
1
QQL50AK-221Z
L952
C953
220/25
0.1/16 C956
1000/10 C954
EC30HA04-X D952
ICP-N20-T
!
CP902
CP
3.9K
R957
D955
MTZJ6.8B-T2
1K
R958
GNA10051-A1
QGB2510K2-10
-VDISP
16.5V
LDCLOSE
LDOPEN
CN901
FL+
1
F-
2
3
GND
4
TO CN373 SHEET4
GND
5
6V
6
7
SW9V
8
9
10
LDOPEN
LDCLOSE
SW9V
NOTES
1.
VOLTAGES ARE DC-MEASURED WITH A DIGITAL
VOLT METER
CONDITION ---
UNLESS OTHERWISE SPECIFIED.
2.
ALL CAPACITORS ARE
ALL RESISTORS ARE
MYLAR CAPACITOR.
ALL RESISTANCE VALUES ARE
ALL CAPACITANCE VALUES ARE IN F(P=pF).
ALL CAPACITORS ARE SHOWN IN THE FORM
OF
ALL INDUCTANCE VALUES ARE IN H(m=mH).
3.NI MEANS NO INSERT
J/C
E
U
CN701
QGF1040F1-23
CDIRQ
1
CDSTAT
2
CDRST
3
CDDATA
4
CDCLK
5
CDLD
6
USBSEL
7
USBCS
8
USBREQ
9
USBSDA
10
USBSCL
11
USBIN
12
USBRST
13
TO CN203 SHEET5
LDSWCL
14
LOSWOP
15
LDOPEN
16
LDCLOSE
17
PULSW
18
SW9V
19
DGND
20
CDL
21
AGND
22
CDR
23
SW9V
LDCLOSE
LDOPEN
OR OSCILLOSCOPE WITHOUT INPUT SIGNAL.
CD STOP MODE
CAPACITANCE( F)
R902 C907*
NI
NI
5%
1/4W
CERAMIC CAPACITOR
IN OHM( ).
/RATED VOLTAGE (V).
100u/200V3.3M
100u/400V
100u/400V
CARBON FILM RESISTOR
OR
QGB1214K1-20S
CN702
CDIRQ
CDSTAT
CDRST
CDDATA
CDCLK
USBSEL
USBCS
USBREQ
USBSDA
USBSCL
USBIN
USBRST
LDSWCL
LDSWOP
PULSW
1
2
3
4
5
CDLD
6
7
TO CN709 SHEET2
8
9
10
11
12
13
14
15
16
DGND
17
AGND
18
CDL
19
CDR
20
2-2
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
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