Sony CDX-GT340 / CDX-GT34W Service Manual ▷ View online
CDX-GT34W/GT340
CDX-GT34W/GT340
21
21
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
IC902
SEEK+
SEEK–
LED947,S903
EQ3
3/REP
4/SHUF
LSW906
LSW905
LSW904
LSW902
LSW903
GUIDE BUTTON
DSPL
PTY/CAT
2/ALBUM+
1/ALBUM–
LED948,S901
LED949,955
GUIDE BUTTON
SOURCE
LED960,961
(ILLUMINATION)
LED946,S905
DSPL/SCRL
5
6/PAUSE
LSW908
LSW907
1-880-258-
(21)
21
1-880-258-
(21)
21
PUSH SELECT
(VOLUME)
S909
LED940,S907
AUX
J901
LED950,956
LED945,S904
LED951,S902
MODE
LED952,S906
SOURCE/OFF
M >
. m
LED931
(LCD BACK LIGHT)
Z
LCD901
LIQUID CRYSTAL DISPLAY PANEL
3
4
5
1
2
1
52
J901
LSW902
LSW903
LSW904
LSW905
LSW906
LSW907
LSW908
LED931
LED940
LED944
LED944
(CD SLOT)
LED945
LED946
LED947
LED948
LED949
LED950
LED951
LED952
LED955
LED956
LED960
LED961
S901
S902
S903
S904
S905
S906
S907
S909
R988
R989
IC902
ECB
1
16
17
32
33
48
49
64
D982
D983
D985
D986
D991
D992
D993
D994
Q931
Q932
FB901
FB902
FB903
R901
R902
R903
R904
R905
R906
R907
R908
R910
R911
R912
R919
CN901
R921
R922
R922
R931
R933 R934
R935
R936
R941
R942
R959
R960
R961
R962
R963
R964
R965
R966
R972
R973
R974
R975
R977
R978
R979
R980
R981
R982
R982
R983
R987
R990
R991
R992
R993
R995
R996
R997
D903
C971
C981
IC901
C983
C984
C986
14
2
15
1
A
MAIN BOARD CN701
ECB
•
: Uses unleaded solder.
4-7. PRINTED WIRING BOARD – KEY Section –
(Page 17)
CDX-GT34W/GT340
CDX-GT34W/GT340
22
22
10
3
D
1
6
8
11
7
12
5
G
E
4
2
F
9
B
A
13
H
C
CN701
(2/3)
BOARD
MAIN
A
0.1
0.1
5.2
5.1
5.2
5.1
2.6
2.6
2.6
2.6
2.6
2.6
2.6
5.2
3.5
1.7
2.6
2.6
2.6
2.6
2.6
2.6
5.2
3.5
1.7
2.6
4.7
0.3
3.1
4.7
0.3
3.1
3
5.1
5.2
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
KEY BOARD
IC902
IC901
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
17
18
19
20
21
22
29
28
27
26
25
24
23
28
27
26
25
24
23
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
LC75829PWH-US-H
IC901
LCD DRIVE
BACK-LIGHT
DIMMER
NCO
BLINK
SEG48
SEG47
SEG46
SEG45
SEG44
SEG43
SEG42
SEG41
SEG40
SEG39
SEG38
SEG37
SEG36
SEG35
SEG34
SEG33
SEG32
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG1
1
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
COM4
COM3
COM2
COM1
S2
VDD
VDD1
VDD2
VSS
S52/OSC
INH
CE
CLK
DATA
SEG3
COM4
COM3
COM2
COM1
S2
VDD
VDD1
VDD2
VSS
S52/OSC
INH
CE
CLK
DATA
LCD901
LIQUID CRYSTAL DISPLAY PANEL
1
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
52
2
4
49
51
3
50
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
15P
CN901
D_GND
KEY_GND
AUX-L
AUX-R
A-GND
RE-0
RE-1
KEY-1
KEY-0
SIRCS
LCD-DATA
LCD-CE
LCD-CLK
ILL+B
PANEL
100
R977
100
R978
100
R979
0.1
C984
0.1
C983
0.1
C981
0.47
C986
1M
R987
MA2J1
110GLS0
D982
MAZ8051GMLS0
D983
0.1
C971
150
R981
150
R982
100
R975
100
R974
1.2k
R904
820
R901
1k
R902
1k
R903
0
R922
0
R921
820
R905
1k
R906
1k
R907
1.2k
R908
1.5k
R910
2.2k
R912
3.3k
R919
3.9k
R988
MAZ8068GMLS0
D986
MAZ8068GMLS0
D985
MAZ8068GMLS0
D991
MAZ8068GMLS0
D992
MAZ8068GMLS0
D993
MAZ8068GMLS0
D994
MAZ8180GMLS0
D903
RT1N436C-TP-1
Q932
LCD BACK LIGHT SWITCH
1.2k
R931
NESW505CT
-AST
LED931
270
R935
220
R934
220
R933
CL-197HB1E-D-T
LED944
470
R941
CL-197HB1E-D-T
LED952
CL-197HB1E-D-T
LED951
CL-197HB1E-D-T
LED949
CL-197HB1E-D-T
LED950
CL-197HB1E-D-T
LED947
CL-197HB1E-D-T
LED948
CL-197HB1E-D-T
LED945
CL-197HB1E-D-T
LED946
R980
470
R989
270
R991
470
R990
270
R992
270
R993
470
R996
390
R995
470
R972
470
R963
470
R965
470
R983
470
R973
560
R966
470
R964
470
R962
470
CL-197HB1E-D-T
LED961
CL-197HB1E-D-T
LED960
1.8k
R911
CL-197HB1E-D-T
LED940
CL-197HB1E-D-T
LED955
CL-197HB1E-D-T
LED956
R961
470
R960
470
R959
470
R997
390
390
R942
R936
470
VCC
OUT
GND
IC902
PNA4813M01S0
RT1N140C-TP-1
Q931
DIMMER SWITCH
J901
FB902
0
FB901
0
FB903
0
S901
S902
S903
S907
S906
S905
S904
S909
LSW908
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
LSW907
LSW906
LSW905
LSW904
LSW903
LSW902
COM1
COM2
COM3
COM4
S48
S46
S47
S45
S44
S43
S42
S41
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S1
1
S10
S9
S8
S7
S6
S5
S4
S3
S2
S20
S19
S18
S17
S16
S15
S14
S13
S12
S1
1
S10
S9
S8
S7
S6
S4
S3
COM4
COM3
COM2
COM1
S2
S3
COM4
COM3
COM2
COM1
S2
S1
S5
CE
CLK
DATA
CLK
DATA
S48
S47
S46
S45
S44
S43
S42
S41
S40
S39
S38
DATA
CLK
CE
S37
S1
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
S36
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
S36
AUX
LCD
BACK
LIGHT
(CD SLOT)
SOURCE
DSPL
EQ3
MODE
LED949,955
(GUIDE BUTTON SOURCE)
(GUIDE BUTTON DSPL)
LED950,956
(ILLUMINATION)
LED960,961
SOURCE
OFF
EQ3
DSPL
/SCRL
PUSH SELECT
(VOLUME)
SEEK+
SEEK-
MODE
6
/PAUSE
5
4
/SHUF
3
/REP
2
/ALBUM+
/ALBUM-
1
PTY
/CAT
REMOTE CONTROL
SIGNAL RECEIVER
4-8. SCHEMATIC DIAGRAM – KEY Section –
(Page 19)
CDX-GT34W/GT340
23
• IC Block Diagrams
IC750 TDA8588AJ/N2/R1 (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-GT34W/GT340
24
IC1 TEF6617T/V1/S470,518 (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
VCC2 6
AMRFAGC 7
AMIFAGC2 11
MPXIN 12
AMSELOUT2
32
AMSELOUT1
31
AMIFAGC1
30
AMSELIN2
29
PLL
25
VCODEC
24
VREF
20
SDA
19
SCL
18
GNDD
17
GND
23
AMSELIN1
28
DAV N
27
PLLREF
26
VCC1
22
VREGSUP
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
RDS
DEMODULATOR
AND
DECODER
IC580 BA8271F-E2 (MAIN Board (1/3))
1
2
3
4
5
6
5
6
7
8
9
10
14
13
12
11
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS_ON
RST
BATT
CLK
VREF
GND
VCC
RST
BUS_IN
CLK_IN
BU_CHECK
BUS_IN
CLK_IN
BU_CHECK
DATA_IN
DATA_OUT
DATA_I/O
Click on the first or last page to see other CDX-GT340 / CDX-GT34W service manuals if exist.