JVC HXGX-7 Schematic
SCHEMATIC DIAGRAMS
COMPACT COMPONENT SYSTEM
HX-GX7
CD-ROM No.SML200403
Area suffix
J ----------------------------- U.S.A.
C -------------------------- Canada
Contents
Block diagram
Standard schematic diagrams
Printed circuit boards
COPYRIGHT 2004 VICTOR COMPANY OF JAPAN, LTD.
CA-HXGX7 SP-HXGX7SP-HXGX7
2-1
2-3
2-17 to 25
No.MB161SCH
2004/3
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.
(This regulation does not correspond to J and C version.)
< MEMO >
Block diagram
Y
9
8
4
V
5
9
1
1
0
C
n
CD changer mechanism control / CD servo and CD system control section
A,B
C,D
E,F
LD
MD
CD
PICK UP
REST SW
CN601 CN602
T+/F+/-
SM+/FM+/-
FEED
MOTOR
SPINDLE
MOTOR
CD tray control section
IC1
TRAY MOTOR DRV.
IC2
POSITION MOTOR DRV.
CD tray switch
section
SW1 to SW6
CN3
SWITCH
TBAL,FBAL,TE,FE,GCTL,/RFDET
OFT,BDO,ARF,RFENV
IC601
RF & SERVO
AMP.
IC801
FOCUS
TRACKING
FEED
SPINDLE
BTL AMP.
/REST_SW
TR_OP
TR_CL
POS_UP
POS_DOWN
S.TR_ST
SW7
SWITCH
CN2
TR1_CL to TR5_CL
M.TR_OP
/DR_MUTE
PC1,PC2
TRV
TRD
FOD
SPINDLE
CN1
AD0 to AD10
D0 to D3
IC671
DRAM
/CAS
/RAS
/WE
CN251
SW8
SWITCH
IC1
POSITION
SENSOR
IC651
DIGITAL SERVO
&
PROCESSOR
TXTD,TXTCK
/RST_DSP
MON,FLAG
DQSY,BLKCK
/DCAS
/DRAS
/DWE
MLD,MDATA
STAT,MCLK
CASCNT
RASCNT
WECNT
CN252 CN253
IC682
IC681
OUTL,OUTR
TX
MICON
S.TR_END
L.SENSOR
IC201
EEPROM
E2PSDA
E2PSCL
IC251
UNIT
TXD0
RXD0
RESET
CN651
CN661
DISPD2S
DISPD2D
RESET
TDATA
SDATA
TUCLK
TUCE
TUNER
CN1
CN560
External i
TUL,TUR
CDL,CDR
PBL,PBR
IC442
PHYTHM
AX
REC/PB
ERASE
HEAD
MOTOR
SPEED Adj.
FW100
M
MB
MIC 2/AUX IN
Tape deck mechanism control / Pre-amplifier and bias section
CN31
REC/PLAY
FREQUENCY
RESPONSE Adj.
SW1,SW2
SW5,SW6
SWITCH
L301
BIAS OSC
RREC,FREC
PLAY,TAPE
IC1
REEL
PULSE
IC32
AUDIO SIGNAL
PROCESSOR
Q302,Q305
BIAS OSC/CONT.
SOLENOID
PHOTO
PHOTO+B
SOL
CN42
PBMUTE,RECH
RECB
SERIAL TO PARALLEL
SOLCTRL
Q375,Q376
SOLENOID
CN32
User control keys section
D900 to D907
MIC
MIC 1
J900J910
IC953
MIC AMP.
& ALC
IC952
CONPANDER,LPF
& ECHO MIX
IC956
ECHO,ECHO
AMP.
User control keys section
JS958,JS960,JS962
SOUNDMODE+/PRESET+/-,VOL+/-
CN903
ROTARY ENCODER
S908 to S925
KEY1,KEY2,KEY2X
SWITCH
D908 to D912
D1LED to D5LED
D1LED to D5LED
IC33
PORT EXTENSION
MOTOR
Q371,Q372
MOTOR
DRIVE
SOL
DRIVE
MB
S900 to S907
SWITCH
REMIN
IC951
REMOCON
RECEIVER
PBL,PBR
RECL,RECR
SDATA
SCK
STTA
PLAY
PHOTO
KEY1
KEY3LED1 to LED5
CN33CN34
CN900
CN44
CN43
S/TDATA,S/TCLK,SLCCE
SLCPLAY,PHOTO,SLCKE
CN803
FL display
System control
section
CN902
D913
STANDBY
RECL
RECR
LED
G1
G12
Q950
Q951
DI,BK
CLKB
IC95
IC95
FL DR
KEY4
FW90
FW90
S929
S93
SWIT
CN
CN
INV.
FL
DIS
2-1
ternal input / Source select switch section
MAINL
MAINR
Q541,Q542
MUTE
Q515 to Q517
SW VOLUME
& MUTE
IC526
HPF
IC534
SWITCH
IC485
BOOST
AMP.
IC466
IC467
LPF &
MIX AMP.
IC401
VOLUME
VOLDA
VOLCLK
VOLCE1
2
M
REMIN,MIC,ECHO1,ECHO2
KEY1 to KEY4,S/WLED,SMLED
SURRLED,SB1LED,SB2LED
FLDATA,FLCLK,BK,SM+,SMRSEARCH,FSEARCH,BUZZER
D1LED to D5LED,VOL+,VOL-
IC801
MICON
SWIN
9V,M9V
S5V,5.6V
SMUTE
SURR
HPMUTE
STATUS
HPSW
PRT
FCTRL
BASS1
BASS2
Q540
POUT
CN217
CN511
CN501
Audio
sub woofer
amplifier
output section
9V
IC760
9V
REG.
S4H
FW216
M9V
IC750
MOTOR
8V
S4H
POUT
IMP
DC
VH,-VH
VL,-VL
CN700
SWIN
IC700
SW
POWER
AMP.
SWL
SWR
Audio
main amplifier
output section
5.6V
IC670
5.6V
MICOM
S4H
S4L
S5V
B5V
IC660
5V
REG.
S4L
FW218
POUT
IMP
VL,-VL,DC
SURROUND
DC
CN610CN710
CN600
MAINL
MAINR
IC600
MAIN
POWER
AMP.
ML
MR
K,SLCCE
O,SLCKEY
CN802
CN901
BUZZER
BZ900
FL1
FL2
+37V
trol
DI,BK
CLKB
IC955
INV.
IC954
FL DRV.
P1 to P36
G2 to G11
FL900
DISP.
KEY4 KEY2X
FW901 FW902
FW901
S929
S930
SWITCH
FW904
S926
S927
S928
SWITCH
DC regulator
Speaker terminal
section
FW900
CN205
CN207
37V
Q206
37V
SURROUND
HPMUTE
STATUS
HPSW,PRT
FANCTRL
VH,-VH
VL,-VL
S4H
REG.
VH
VH
-VH
D204
D205
D206
FL1
FL2
D207
+/- VH
BRIDGE
S1 S4
CN213 CN214
VL
-VL
D208
D209
D210
D211
+/- VL
BRIDGE
S2
S4H
D212
D213
D214
D215
S4
BRIDGE
CN208CN206
ML
MR
SWL
SWR
HPMUTE
VL,-VL,DC
S4H,S4L
SURROUND
Q230 to Q234
H/P MUTE
HPL
HPSW
-VH,DC
PRT
Q220 to Q222
HPR
PROTECTOR
FANCTRL
S4H
FAN REG.
IC201
Q212
FAN DRV.
CCT
FAN+
FAN-
STATUS
Primary with main transformer section
S4
F104
FW202FW204
S2
S1
FL1,FL2
F101
F102
T001
Trans.
SPEAKER
TERMINAL
J200
MAIN
SUB WOOFER
FW711
CN201
CN202
FAN
M
CN200
F001
Headphone
jack section
J1001
AC IN
2-2
Standard schematic diagrams
Primary with main transformer section
FW204
QJK015-082614
CT
S1
(SHEET 2)
FW202
QUM154-21DGZ4
(SHEET 2)
S1
S2
S2
S4CT
S4
S4
FL1
SGND
FL2
S3CT
F104
3.15A-125V
F101
8A-125V
F102
8A-125V
4R7
4R7
R275
R277
T001
QQT0423-001
C205
0.1
2-3
F001
6.3A-125V
R200
3.3M
CN200
QGA7901C1-02
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
SHEET 1
2-4
DC regulator / Audio output section
2
KTC3199/GL/
T
J200
QNB0193-002
(SHEET 4)
CN201
QGD2504C1-04Z
HPR
HPL
HPSW
L250
4.7uH
470
R254
!
R255
!
R211
100K
C225
47/50
!
R212
47
D221
MTZJ6.8B-T2
KTC3199/GL/-T
10/25
B2952
B2108
C215
R207
!
D209
!
D208
0.01/100
C216
0.1/250
D210
!
!
D211
C270
1000P
C271
1000P
22K
R231
D229
FAN+
FAN-
STATUS
CN202
QGA2510C1-03
CN214
QGA3901C1-08
CT
S1
S1
S2
S2
S4CT
S4
S4
(SHEET 1)
C208
CN212
QGD2504C1-03Z
SUB5V
ECO
FL1
FL2
S3CT
CN213
(SHEET 1)(SHEET 4)
QGD2504C1-04Z
CN205
QGD2504C1-03Z
37V
0.01/100
R232
D230
D226
0.01/100
1N5402M-20
1N5402M-20
22K
C207
1000P
1000P
R229
D227
R228
MTZJ5.1B-T2
!
D212
!
D214
C268
C269
!
R268
4R7
C264
!
R266
4R7
0.1uF
C260
D261
RY2
!
R262
QSK0109-001
!
R261
!
R260
15K
15K
R230
R236
4.7K
R237
4.7K
R238
4.7K
R239
4.7K
D228
KTC3203/OY/-T
Q212
R226
1K
C232
47K
47/25
10K
R227
!
D213
1N5402M-20
!
D215
1N5402M-20
C209
8200/25
C210
B2612
8200/16
!
R204
47
!
R205
47
!
Q210
R220
270
R223
KRC102M-T
C267
R269
4R7
0.1uF
C265
!
R267
C263
4R7
0.1uF
C261
D260
RY1
!
R265
QSK0109-001
!
R264
!
R263
Q216
1K
R234
KTC3199/GL/-T
!
IC201
KIA7812API
IC200
!
KIA317PI
R221
10
3.3K
R225
2.4K
C237
R224
!
10/50
R222
!
R206
100K
C212
C214
0.01/100
C266
0.1uF
C262
C238
D237
10/50
MTZJ13B-T2
KRA111M-T
C227
(SHEET 3)
!
PRT
HPSW
S12V
LEVEL
HPMUTE
FANSPD
Q234
R250
Q230
2SC3576-JVC-T
4.7K
R251
Q231
2SC3576-JVC-T
4.7K
R252
Q232
2SC3576-JVC-T
4.7K
Q233
R253
2SC3576-JVC-T
4.7K
470
Q215
KTC3200/GL/-T
C235
1K
R233
0.0047
D235
C236
10/16
MTZJ12C-T2
KTC2026/OY/
R213
47/100
C229
D204
0.01/250
!!!
D206
MTZJ15C-T2
!
Q206
C230
7.5K
0.01
D224
MTZJ18B-T2
C231
D225
MTZJ20B-T2
22/50
100K
C218
R209
D205
!
C220
0.1/250
D207
C221
0.01/250
D234
C234
100/25
D231
D220
1N4003S-T5
1N4003S-T5
C226
D222
100/50
D223
C228
Q205
1N4003S-T5
R208
100K
C213
100K
C219
C217
10K
10/50
C240
R240
KTC3199/GL/-T
Q220
R242
100K
R241
10K
Q221
Q222
KTA1267/YG/-T
R214
100K
22/50
EP201
QNZ0136-001Z
KTC3199/GL/-T
R243
100K
C241
D240
47/16
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
FANCTRL
CN207
QGB2510K1-13
FW218
QJK015-111814
CN208
QGA3901C1-11
DGND
PAGND
ML
S4L
-VH
-VL
SWL
SWR
S4H
DC
MR
CN206
VH
VL
QGA3901C1-10
R750
KRA110M-T
ML
SURROUND
DC
MR
-VL
VL
STK412-400
QJK015-101814
FW216
VH
-VH
VL
-VL
PAGND
SWL
SWR
AGND
MTR.GND
!
!
!
R752
R751
Q751
10K
R753
10K
R754
D751
MTZJ5.1B-T2
SURROUND
B2502
IC700
!
KRC102M-T
R600
1K
R603
1K
C611
47/63
C620
0.082
R620
1.2K
!
C622
1/50
R636
D700
R700
MTZJ36B-T2
B7005
!
IC750
KTA1046/Y/
Q750
R755
10K
1K
R756
C750
10/50
Q752
IC600
STK432-070
C600
10/35
C
2
220P
47K
C602
R601
47K
220P
C603
R602
C604
10/35
C610
!
10P
R615
56K
R635
10K
20K
R701
C612
C613
MTZJ2.4B-T2
MTZJ15B-T2
R702
C751
0.22/50
D603
C650
D702D703
MTZJ15B-T2
220/16
!
R617
10
0.047
R618 R619
1M 3.9K
0.047
R621
C621
R623
15K
0.33
R703
C712
R731
!
D750
Q604
2SK301/PQ/-T
4.7M
!
D650
820
!
MTZJ10B-T2
MTZJ5.6C-T2
!
D701
47/63
R760
R616
R622
47K
IC650
PQ05RD21
R704
4.7P
R729
!
R761
C708
56K
10
C651
R705
!
10
MTZJ36B-T2
C715C714
470/25
0.0470.047
0.22
!
C760
L601
R727
!
KIA7809API
-
0.39
R624
!
R725
10
IC760
10/50
2-5
D701
32-070
MTZJ5
6C
T2
10/35
10/35
IC600
C600
C604
!
R616
R619
3.9K
01/PQ/-T
R622
47K
IC650
PQ05RD21
-
.
!
0.22
C601
220P
47K
R601
47K
R602
10
L601
0.39
KTC3199/GL/-T
R624
C651
470/25
R604
0.22
R606
R605
!
D600
!
R609
100
33K
10/50
C606
C616
10P 0.022
R626
56K
C615
47/63
1.2K
R627
!
1K
R661
C661
D661
0.22
!
C607
10/50
C617C618
10/50
!
MTZJ9.1B-T2
R608
C605
100/50
220
R614
C614
0.022
Q602
D601
47K
R625
2.2K
IC660
!
KIA7805API
C660
10/50
C609
R607
0.22
220P
!
QGB2510K1-11
QGB2510K1-12
S5V/B5V
CN700
DVDPON
CN600
MAINL
AGND
MAINR
5.6V
POUT
IMP
SWIN
SWGND
DC
POUT
IMP
M9V
9V
Q601
R610
100
!
L602
KIA7805API
KTA1267/YG/-T
R613
10K
10K
R612
10
R611
!
R630
C619
0.39
Q603
KTC3199/GL/-T
D602
47K
R631
2.2K 220
R632
R633
82K
R634
100K
!
IC670
1K
R671
C671
D671
D670
220/10
C670
10/50
MTZJ6.8B-T2
KRC102M-T
Q600
C608
100/50
!
10
R629
!
R628
10
0.0470.047
B6110
D660
MTZJ8.2B-T2
CN610
MAINL
AGND
MAINR
DVDPON
5.6V
POUT
IMP
DVD.GND
DGND
S5V/B5V
DC
SWIN
SWGND
SWFB
MTR.GND
M9V
AGND
9V
QGB2510J1-11
CN710
QGB2510J1-12
FW705
CN511
QGB2510J1-16
(SHEET 3)
(SHEET 3)
R705
!
0.22
!
10
R704
MTZJ36B-T2
C708 C710 C711 C709
4.7P
R729
56K
!
C715C714
0.0470.047
!
IC760
KIA7809API
!
R761
C760
10/50
!
R725
R706
0.22
!
10
L701
C761
C700 C701
220P 220P
0.022 0.022
0.39
Q704
R721
47K
KTC3199/GL/-T
D760
MTZJ10B-T2
10/50
KTC1027/OY/-T
33K
R707
1K
R718
1K
R717
R720R719
1K1K
Q705
L702
KTC3199/GL/-T
D706
D705
47K
R722
R724
R723
5.6K
5.6K
Q701
KTA1023/OY/-T
Q700
10K
R711
C702
10/35
56K56K
R708R709
C703
10/35
4.7P
!
R730
56K
10
R726
0.39
!
R728R727
1010
C717C716
0.0470.047
R714
10K
10K
R713
R712
10K
0.1
C705
C704
470P
R710
1K
C718
1/50
C713
47/63
820
R732
!
KTC3200/GL/-T
Q702
D704
R715
100K
2.2K
Q703
KTA1268/GL/-T
R716
C707
100/10
Q706
KTA1267/YG/-T
R738
100K
C706
0.1
47
47
R734
R733
!
!
C719
10/50
R735
10K
R736
82K
R737
100K
SHEET 2
2-6
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