Sony CDX-GT320 / CDX-GT32W / CDX-GT370 / CDX-GT370S Service Manual ▷ View online
25
25
CDX-GT32W/GT320/GT370/GT370S
CDX-GT32W/GT320/GT370/GT370S
5-7. SCHEMATIC DIAGRAM — MAIN SECTION (4/4) — • Refer to page 28 for IC Block Diagrams.
IC B/D
R633
R632
R631
R634
R583
R582
C623
C683
JW134
JW41
JW116
JW36
JW37
JW43
JW47
CN701
R153
R151
R152
C155
C154
R155
JW140
C622
R584
C631
C519
C581
R580
R587
R581
R590
R591
R601
C151
C152
C153
C582
C682
C681
L151
R154
D583
R588
IC580
C580
IC602
Q631
Q587
Q586
CN580
S702
FB604
IC681
D719
D704
D153
D582
D584
D580
D581
TH580
Q580
(Page 22)
(Page 23)
(Page 24)
(Page 27)
26
26
CDX-GT32W/GT320/GT370/GT370S
CDX-GT32W/GT320/GT370/GT370S
5-8. PRINTED WIRING BOARD — KEY SECTION —
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
LED943
LSW904
IC971
S902
LED931
S904
LSW902
LSW906
S903
S901
LSW901
LED942
LED953
LED951
LED952
LED944
LED945
LED941
R975
C971
4
3
1
2
LSW903
R943
R948
R944
R905
LSW908
R946
R945
R902
LSW909
LCD901
LIQUID CRYSTAL DISPLAY PANEL
LSW910
R901
LSW911
LSW905
LSW907
R979
R978
R977
R982
C986
R974
C983
D982
C984
R986
R985
R984
D981
R981
R987
C981
FB903
D993
R933
R931
R932
R903
Q932
R972
R904
R907
R947 R908
R909
D992
R913
R949
R912
R911
R914
R952
R950
D991
D994
R951
IC901
R910
CN901
R971
Q931
R934
R942
R941
R992
R953
R954
R915
D903
J901
RE901
A
MAIN BOARD CN701
OFF
EQ3
LSW901
LSW904
.m
SEEK–
M >
SEEK+
LSW903
DSPL/
SCRL
LED951–953
(RING ILLUMINATION)
3/REP
4/SHUF
LSW909
LSW908
LSW907
LSW905
BTM/CAT
(GT32W/GT320)
(GT370/GT370S)
BTM
2/ALBUM+
LSW906
1/ALBUM–
5
6/PAUSE
LSW911
LSW910
1-874-380-
1-874-380-
(11)
11
(11)
11
PUSH SELECT
(VOLUME)
RE901
LED941,
S901
AUX
J901
Z
LED942,
S902
LSW902
SOURCE
LED944,
S903
LED931
(LCD BACK LIGHT)
1
2
3
4
5
MODE
LED945,
S904
IC971
(Page 21)
IC901
G-8
IC971
D-13
LED931
C-13
LED941
A-13
LED942
A-1
LED944
B-4
Ref. No.
Location
D903
G-11
D981
G-10
D982
G-10
D991
G-11
D992
G-11
D993
G-11
D994
F-14
• Semiconductor Location
Ref. No.
Location
LED945
C-4
LED951
B-3
LED952
C-4
LED953
C-2
Q931
G-10
Q932
G-10
Ref. No.
Location
27
27
CDX-GT32W/GT320/GT370/GT370S
CDX-GT32W/GT320/GT370/GT370S
R901
R902
R903
R904
R907
R908
R909
R911
R910
R912
R913
R914
R915
R981
R982
D982
R992
CN901
R943
R944
R932
R934
R933
R931
R949
R950
R954
R971
R972
R945
R946
R951
R952
R953
R948
R947
R975
R974
R941
R942
D981
D994
D991
D992
D993
R977
R979
R978
FB903
S901
S902
S903
S904
C971
C981
C986
R984
R985
R986
R986
C984
C983
R987
LED951
LED952
LED953
LED945
LED944
LED941
LED943
LED942
IC901
Q931
Q932
LSW901(2/2)
LSW902(2/2)
LSW903(2/2)
LSW904(2/2)
LSW905(2/2)
LSW906(2/2)
LSW907(2/2)
LSW908(2/2)
LSW909(2/2)
LSW911(2/2)
LSW910(2/2)
LSW
901(1/2)
LSW
902(1/2)
LSW
903(1/2)
LSW
904(1/2)
LSW
905(1/2)
LSW
906(1/2)
LSW
907(1/2)
LSW
908(1/2)
LSW909(1/2)
LSW910(1/2)
LSW
911(1/2)
LCD901
R905
RE901
J901
LED931
903
IC971
5-9. SCHEMATIC DIAGRAM — KEY SECTION —
(Page 25)
28
28
CDX-GT32W/GT320/GT370/GT370S
CDX-GT32W/GT320/GT370/GT370S
• IC Block Diagrams
IC401 BD3442FS-E2 (MAIN Board (1/4))
IC750 TDA8588AJ/N2/R1 (MAIN Board (2/4))
MUTE
MUTE
ENABLE
LOGIC
STANDBY/
MUTE
BATTERY
DETECTION
CHIP DETECT/
DIAGNOSTIC
PROTECTION/
DIAGNOSTIC
SWITCH
REGULATOR
SWITCH
REFERENCE
VOLTAGE
LOADDUMP
PROTECTION
TEMPERATURE
PROTECTION
BACK-UP
SWITCH
REGULATOR
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
TAB
OUT-FL-
OUT-FL+
OUT-RL-
OUT-RL+
IN-RL
S-GND
IN-RR
OUT-RR+
OUT-RR-
OUT-FR+
OUT-FR-
DIAG
ANT-REM
AMP-REM
SERVO5V
MECH6V
VP
B.UP+B
SDA
SCL
VP2
PGND3
SVR
IN-FL
IN-FR
BEEP
PGND2
VP1
STB
PGND1
RST
CRES
AUDIO8.3V
GND
PANEL+B
CBU
FL
RL
RR
VP
FR
I
2
C BUS
IC580 BA8271F-E2 (MAIN Board (4/4))
1
2
3
4
5
5
6
7
8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS ON
RST
BATT
CLK
VREF
GND
VCC
RESET
BUS ON
BUS ON
CLK IN
BU IN
DATA IN
DATA OUT
DATA
1
2
BUS-L
100k
100k
100k
100k
100k
100k
250k
250k
250k
BUS-R
TU-L 3
4
TU-R
5
CD-L
6
CD-R
7
AUX-L
8
AUX-G
9
AUX-R
10
DS32
11
DS11
12
DS22
13
EBIAS
14
DS21
15
DS11
16
DS31
26 OUTF1
27 VCC
VCC
VCC2
28 MUTE
29 SCL
30 SDA
31 GND
32 FIL
INPUT
SELECTOR
VOLUME1
/MUTE
VOLUME2
I2C
BUS
LOGIC
TREBLE
/BASS
/MIDDLE
SPECTRUM
ANALYZER
FADER
25 OUTF2
24 OUT-R1
23 OUT-R2
FADER
FADER
22 OUTS1
21
20
OUTS2
19
ADJ
18
SOUT
17
DATA
CLK
FADER
FADER
LPF
EFFECT
INPUT
GAIN
FADER
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