Sony CDX-GT210 / CDX-GT21W / CDX-GT260 / CDX-GT260S / CXS-GT2113 Service Manual ▷ View online
25
25
CDX-GT21W/GT210/GT260/GT260S
CDX-GT21W/GT210/GT260/GT260S
4-7. PRINTED WIRING BOARD — KEY SECTION —
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
CN901
R911
R912
R913
D903
R974
R931
R932
R933
FB903
FB902
FB901
C987
R981
R982
D981
C985
C986
R987
R984
R985
R986
C983
R992
R993
R934
Q931
Q932
R921
R922
IC901
1
1
2
3
4
5
48
37
12
13
24
25
36
C981
R901
R904
R883
R884
GT21W/GT210
R949
R950
R952
R977
R978
R979
R988
R941
R861
C984
D982
D991
D992
D993
D994
RE901
J901
R903
R902
R907
R909
R910
LSW905
LSW906
LSW907
LSW908
LSW903
LSW904
LSW901
LSW902
S902
S903
S904
LED942
LED943
LED944
LED945
LED951
LED952
LED953
LED862
LED863
LED863,
LED943,
LED864
LED865
LED871
LED873
LED872
LED874
R908
R945
R946
R865
R866
R947
R948
R943
R944
R881
R882
R961
R962
R905
IC971
C971
R975
LSW909
LSW910
S901
LED941
LED931
LED861
R862
R942
R914
R951
37
1
1-871-016-
GT260/GT260S
(11)
11
LED931
(LCD BACKLIGHT)
3/REP
4/SHUF
6/PAUSE
5
1
2
S904
LED865,
MODE
M>
/
SEEK+
S903
LED944,
LED864,
SOURDE
LSW904
LSW901
EQ
S902
OFF
.m
/
SEEK-
LED871–874
(VOLUME ILLMINATE)
LED951–953
(VOLUME ILLMINATE)
LSW902
DSPL/DIM
LCD901
LIQUID CRYSTAL DISPLAY PANEL
S901
LED941, GT260/GT260S
GT260/GT260S
GT21W/GT210
GT21W/GT210
LED861,
Z
LED862,
LED942
(DISC–SLOT)
MAIN BOARD
CN701
A
1-871-016-
(11)
11
AUX
J901
RE901
(VOLUME)
PUSH SELECT
GT260/GT260S
GT260/GT260S
GT21W/GT210
GT21W/GT210
GT260/GT260S
GT260/GT260S
GT260/GT260S
GT21W/GT210
GT21W/GT210
GT21W/GT210
GT21W/GT210
LED945, GT260/GT260S
GT260/GT260S
(Page 21)
IC901
G-8
IC971
D-13
LED861
A-14
LED862
B-8
LED863
A-2
LED864
B-5
LED865
C-5
Ref. No.
Location
D903
G-11
D981
H-10
D982
H-10
D991
G-9
D992
G-9
D993
G-9
D994
G-13
• Semiconductor Location
Ref. No.
Location
LED871
B-3
LED872
C-2
LED873
C-4
LED874
D-3
LED931
C-13
LED941
A-14
LED942
B-8
LED943
A-1
Ref. No.
Location
Ref. No.
Location
LED944
B-4
LED945
C-4
LED951
B-3
LED952
C-4
LED953
C-3
Q931
G-7
Q932
G-6
26
26
CDX-GT21W/GT210/GT260/GT260S
CDX-GT21W/GT210/GT260/GT260S
D903
R901
R902
R903
R904
R905
R907
R908
R909
R911
R910
R912
R913
R914
R981
R982
D982
R992
CN901
R932
R934
R933
R931
R941
R942
R961
R962
R945
R946
FB901
FB902
R975
R974
R977
R979
R978
LED931
R993
R861
R862
R865
R881
R883
R866
R882
R884
IC971
C971
FB903
C981
C986
C985
S901
S902
S903
LSW901(1/2)
LSW903(1/2)
LSW904(1/2)
S904
LSW905(1/2)
LSW906(1/2)
LSW907(1/2)
LSW908(1/2)
LSW909(1/2)
LSW910(1/2)
LSW902(1/2)
R922
R921
R988
C987
C983
C984
R984
R985
R986
R987
LSW903(2/2)
LSW904(2/2)
LSW905(2/2)
LSW910(2/2)
LSW909(2/2)
LSW908(2/2)
LSW906(2/2)
LSW907(2/2)
LSW901(2/2)
LSW902(2/2)
RE901
LCD901
J901
R951
R952
R950
R948
R949
R947
R943
R944
Q931
Q932
LED941
LED942
LED943
LED861
LED862
LED863
LED944
LED945
LED864
LED865
LED951
LED952
LED953
LED873
LED871
LED872
LED874
D981
IC901
D991
D992
D993
D994
4-8. SCHEMATIC DIAGRAM — KEY SECTION —
(Page 24)
27
CDX-GT21W/GT210/GT260/GT260S
• IC BLOCK DIAGRAMS
IC401 BD3444FS-E2 (MAIN Board (1/3))
FIL
20
GND
19
SDA
18
SCL
17
MUTE
16
VCC
15
OUT-FR
14
OUT-FL
13
OUT-RR
12
OUT-RL
11
FADER
VCC
FADER:
0 – -62dB/1dB step
0 – -62dB/1dB step
TREBLE:
• fc = 10kHz
• GAIN = ±20dB/1dB step
• Q = 1
• fc = 10kHz
• GAIN = ±20dB/1dB step
• Q = 1
BASS:
• fc = 100Hz
• GAIN = ±20dB/1dB step
• Q = 1
• fc = 100Hz
• GAIN = ±20dB/1dB step
• Q = 1
VCO
I
2
C BUS
LOGIC
FADER
FADER
FADER
BUS-RCH
1
BUS-LCH
2
TU-RCH
3
TU-LCH
4
CD-RCH
5
CD-LCH
6
AUX-RCH
7
DN1
8
DN2
9
AUX-LCH
10
INPUT SELECTOR
INPUT GAIN
(0 – -20dB/1dB step)
PRIMARY VOLUME
(+12dB – -20dB/1dB step)
MUTE
BASS/TREBLE
VCC/2
28
CDX-GT21W/GT210/GT260/GT260S
IC750 TDA8588BJ/N2/R1 (MAIN Board (2/3))
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
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