Sony CDX-GT230 / CDX-GT232 / CXS-GT2313 Service Manual ▷ View online
CDX-GT230/GT232
CDX-GT230/GT232
21
21
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
A
MAIN BOARD CN701
1
37
1
2
3
4
LED944
3
4
5
2
1
LIQUID CRYSTAL DISPLAY PANEL
IC971
OFF
EQ3
S901
LSW913
SEEK+
SEEK–
LSW903
DSPL
/SCRL
LED951–953,
982,1951,1952
(RING ILLUMINATION)
3/REP
4/SHUF
LSW909
LSW908
LSW907
LSW905
2/ALBUM+
LSW906
1/ALBUM–
AF/TA
/PTY
LSW904
LSW914
MODE
5
6/PAUSE
LSW911
LSW910
1-877-026-
1-877-026-
(21)
21
(21)
21
PUSH SELECT
(VOLUME)
RE901
LSW901
AUX
J901
LSW902
LCD901
LSW912
SOURCE
LED944
(CD INDICATER)
LED952
LSW903
IC971
LED931
LSW902
LSW906
S901
LSW901
LSW904
LED1952
LED951
LED1951
LED941
R975
C97
1
LED953
LSW912
R944
R905
R904
R907
R908
LSW908
R971
LED982
R902
LSW909
LSW910
R942
LSW911
LSW905
LSW907
R91
5
R954
R953
R1971
LSW913
R947
R941
LSW914
C990
R946
C921
C922
R922
R921
R921
R982
R974
D981
R981
FB903
D993
R933
R931
R932
R909
D992
R913
R949
R914
R952
R950
D991
D994
R910
CN901
R901
R992
D903
R948
R943
R903
R972
R1972
GT232
R945
D985
D986
C999
R979
R978
R977
C986
D982
R984
R987
Q932
Q931
R934
IC901
D998
C983
C984
R912
R951
C987
R988
R986
R911
R985
C981
J901
RE901
.
N
;
LED931
(LCD BACK LIGHT)
GT230
GT230
GT232
GT232
GT232
4-7. PRINTED WIRING BOARD – KEY SECTION –
: Uses unleaded solder.
(Page 17)
Ref. No. Location
• Semiconductor Location
Ref. No. Location
Ref. No. Location
Ref. No. Location
D903
G-11
D981
G-10
D982
G-10
D985
G-12
D986
G-12
D991
G-11
D992
G-11
D993
G-11
D994
G-11
IC901
G-8
IC971
C-14
LED931 C-13
LED941 C-2
LED941 C-2
LED944 B-7
LED951 B-4
LED952 C-5
LED953 C-4
LED982 D-4
LED1951 C-5
LED1952 C-3
Q931
G-13
Q932
H-13
CDX-GT230/GT232
CDX-GT230/GT232
22
22
R901
R902
R903
R904
R907
R908
R909
R911
R910
R912
R913
R914
R915
R981
R982
D982
CN901
R932
R933
R931
Q932
R975
R974
D903
D981
D994
D991
D992
D993
D986
D985
R977
R979
R978
R988
LED952
LED953
R992
FB903
C999
C922
C921
R922
R921
LSW901(1/2)
LSW902(1/2)
LSW903(1/2)
S901
LSW913(1/2)
LSW914(1/2)
LSW904(1/2)
LSW905(1/2)
LSW906(1/2)
LSW907(1/2)
LSW908(1/2)
LSW909(1/2)
LSW910(1/2)
LSW911(1/2)
LSW912(1/2)
R905
C971
C981
C987
C986
C983
C984
C984
R984
R985
R986
R985
R986
R987
C990
LSW902(2/2)
LSW901(2/2)
LSW912(2/2)
LSW913(2/2)
LSW903(2/2)
LSW914(2/2)
LSW904(2/2)
LSW906(2/2)
LSW909(2/2)
LSW908(2/2)
LSW907(2/2)
LSW910(2/2)
LSW911(2/2)
IC971
LCD901
J901
IC901
R1971
LED1951
LED1952
R1972
LED982
R972
R971
LED951
R953
R954
R951
R952
LSW905(2/2)
RE901
LED931
LED944
R941
R942
R934
D998
R944
LED941
R943
R945
R947
R949
R950
R948
R946
Q931
4-8. SCHEMATIC DIAGRAM – KEY SECTION –
(Page 19)
CDX-GT230/GT232
23
• IC Block Diagrams
IC750 TDA8589AJ/N2/R1/M5 (MAIN Board (1/3))
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
SERVO3.3V
MECH6V
VP
BU+B
SDA
SCL
VP2
PGND1
SVR
IN–FL
IN–FR
BEEP
PGND3
VP1
STB
PGND4
RST
CRES
AUDIO+B
GND
PANEL+B
CBU
FL
RL
RR
VP
FR
I
2
C BUS
CDX-GT230/GT232
24
IC1 TEF6607T/V4/S470/M5, 518 (MAIN Board (2/3))
AMRFIN 1
AMRFDEC 2
FMIN2 3
FMIN1 4
LOUT 8
ROUT 9
MPXOUT 13
RSSI 14
XTAL2 15
XTAL1 16
GNDAUD 10
GNDRF 5
VCC+8.5V 6
AMRFAGC 7
AMIFAGC 11
MPXIN 12
AMOUT2
32
AMOUT1
31
AMIFAGC1
30
AMSELIN2
29
VCOLOOP
25
VCCVCO
24
VREF+4V
20
SDA
19
SCL
18
GNDDIG
17
GNDANA
23
AMSELIN1
28
TESTCT
27
VCOREF
26
VCC+8.5V
22
GREGSUP
21
AM
TUNER
FM
TUNER
OUTPUT
PLL
TUNING
SYSTEM
I2C BUS
POWER
SUPPLY
STEREO DECODER
HIGH CUT
SOFT MUTE
NOISE BLANKER
SIGNAL
IMPROVEMENT
CONTROL
BANDWIDTH
CONTROL
IC51 TDA7333013TR (MAIN Board (2/3))
VDDA
INTERPOLATOR
RAM
BUFFER
&
CONTROL
LOGIC
TEST LOGIC
&
PIN MUX'S
I
2
C/SPI
INTERFACE
BAND PASS
FILTER
SIGMA DELTA
CONVERTER
SINC4
FILTER
REF3
REF2
REF1
VSS
VDDD
RESETN
TM
1
MPX
16
CSN
SDAOUT
RDSREG
3
INTN
MPX
SINC4REG
SDAIN
SCK
SCK
SPI
TESTREG
TESTREG
14
2
3
4
5
6
7
8
INTN
15
SA
13
SDA
12
SCL
11
OSCILLATOR
XTO
10
XTI
9
RDS
DEMODULATOR &
SYNCHRONIZATION
2
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