Sony CDX-GT400 / CDX-GT40W / CDX-GT450 / CDX-GT450S Service Manual ▷ View online
29
29
CDX-GT40W/GT400/GT450/GT450S
CDX-GT40W/GT400/GT450/GT450S
3-13. PRINTED WIRING BOARD — KEY SECTION —
• Refer to page 19 for Circuit Boards Location.
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
IC971
R912
R910
R909
LED921
LED922
LED923
SEEK–/
LED924
LED902
LED920
LED911
LED912
LED913
LED914
LED915
LED916
LED917
LED918
LED919
S902
S920
S919
S918
S917
S916
S915
S914
S913
S912
S911
LSW901
LSW910
LSW904
LSW905
LSW903
LSW907
LSW908
LSW909
R924
R927
R928
R930
R931
R933
R934
FMB3
FMB5
IC901
R984
R985
C981
C982
C983
C980
D984
D981
R981
R982
R983
C984
D901
R920
R913
R914
R915
R916
R917
R918
R919
R991
R992
R993
R990
R977
R901
R907
R908
D902
R978
R979
C971
Q911
Q912
R960
R961
R962
R964
R965
R966
R967
R968
R963
R951
R952
R956
R969
R970
Q913
Q914
Q915
Q916
Q917
Q918
CN901
C903
FB901
D903
R957
R958
R953
R955
R954
R959
R905
R906
R972
R971
R973
R904
R902
R903
R921
R922
R923
R925
R926
R929
R932
R935
R936
R937
R938
R939
R940
R941
R942
R943
R944
R945
R946
R947
R950
R948
R949
D904
C904
RE901
RE901
PUSH SELECT
(VOLUME)
FB903
FB902
(21)
21
J901
AUX
1-868-096
G
R
L
G
R
1-868-095
L
(21)
21
LSW901
OFF
LSW903
LSW905
GP/ALBM
MODE
REP/3
SHUF/4
BBE MP/5
PAUSE/6
1
2
1-868-095
(21)
21
LED916,S916
LED915,S915
LED914,S914
LED913,S913
LED912,S912
EQ3
LED918,S918
LED917,S917
LED920,S920
GT40W/GT400 MODEL
GT450/GT450S MODEL
SOURCE
LED902,S902
CAT/BTM
BTM
LSW909
DSPL
LSW910
LED921 – 924
VOLUME
ILLUMINATE
SENS
LED919,S919
LCD901
LIQUID CRYSTAL DISPLAY PANEL
62
32
31
1
LED911,S911
DSP
LED931
(LCD BACK LIGHT)
IC971
LSW907
COLOR
LED930
(LCD BACK LIGHT)
/
SEEK+/
/
SUB BOARD
CN801
C
(Page 27)
IC971
B-4
LED902
D-5
LED911
B-13
LED912
D-13
LED913
D-12
LED914
D-11
LED915
D-10
Ref. No.
Location
D901
G-10
D902
H-10
D903
G-10
D904
F-10
D981
G-6
D984
H-6
IC901
G-8
• Semiconductor Location
Ref. No.
Location
LED916
D-10
LED917
D-9
LED918
D-8
LED919
D-7
LED920
D-6
LED921
C-4
LED922
B-3
LED923
C-3
Ref. No.
Location
Ref. No.
Location
LED924
D-3
LED930
C-6
LED931
C-13
Q911
G-4
Q912
G-4
Q913
G-4
Q914
H-4
Ref. No.
Location
Q915
H-4
Q916
G-2
Q917
G-2
Q918
H-2
30
30
CDX-GT40W/GT400/GT450/GT450S
CDX-GT40W/GT400/GT450/GT450S
D901
R977
R984
R985
LED930
R970
R971
R969
R973
R972
LED931
R901
R902
R903
R905
R906
R907
R908
R909
R910
R990
Q
911
Q
912
Q
913
Q914
Q915
Q916
Q917
Q918
R904
FB901
FB902
FB903
D903
D981
R979
D904
R978
CN901
J901
C904
C903
S902
C984
C971
IC971
C981
C980
LCD901
LED924
LED922
LSW905(2/2)
RE901
LSW901(2/2)
LSW904(2/2)
LED921
LED923
LSW903(2/2)
LSW909(2/2)
LSW910(2/2)
LED902
R938
R939
LED918
LED919
LED920
LED917
LED916
LED915
LED913
LED914
LED911
LED912
R940
D984
D902
IC901
R953
R952
R951
R956
R955
R954
R957
R959
R958
R962
R961
R960
R964
R965
R963
R967
R968
R966
LSW
901(1/2)
LSW
903(1/2)
LSW
904(1/2)
LSW
905(1/2)
LSW
907(1/2)
LSW
908(1/2)
LSW
909(1/2)
LSW
910(1
/2)
S911
S912
S913
S914
S915
S
916
S
917
S918
S
919
S
920
R912
R913
R914
R915
R916
R917
R918
R919
R920
LSW908(2/2)
LSW907(2/2)
R932
R931
R930
R929
R924
R925
R926
R921
R922
R923
R927
R928
R934
R933
R948
R949
R950
R945
R946
R947
R943
R944
R941
R942
R937
R936
R935
R981
R982
R983
C982
C983
R992
R993
R991
3-14. SCHEMATIC DIAGRAM — KEY SECTION —
(Page 28)
31
CDX-GT40W/GT400/GT450/GT450S
• IC BLOCK DIAGRAMS
IC1 BA5968FP-E2 (SERVO Board (2/2))
1
2
11
13
14
12
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
MUTE
FWD
FWD
LDCTL
NC
OPOUT1
NC
NC
OPOUT2
POWVCC
VCC
VOL–
VOL+
VOL2–
VOL2+
VO1–
VO1+
REV
OPIN4+
OPIN4–
OPOUT4
OPIN3+
OPIN3–
OPOUT3
MUTE
VOL+
GND
VOL3–
VOL3+
VOL4–
VOL4+
REV
OUTR OUTF
10
9
8
7
6
5
28
27
26
25
24
23
22
21
20
19
18
17
16
15
4
3
1
2
3
4
5
5
6
7
8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
ON BUS
RST
BATT
CLK
VREF
GND
VCC
RST
IN BUS
IN BUS
CLK-IN
B/U-C
IN DATA
OUT DATA
DATA
IC601 BA8271F-E2 (MAIN Board (1/2))
32
CDX-GT40W/GT400/GT450/GT450S
IC300 TDA8588AJ/N2/R1 (MAIN Board (1/2))
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
RR-
RR+
RF-
RF+
IN-RL
S-GND
IN_LF
LF+
LF-
LR+
LR-
DIAG
SW2
SW1
RFG3
RFG4
VP
RFG2
SDA
SCL
VP2
PGND3
SVR
IN_RR
IN_LR
ACGND
PGND2
VP1
STB
PGND1
RST
CRES
RFG1
GND
FRG5
CBU
FL
RL
RR
VP
FR
I
2
C BUS
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