Sony CDX-GT430U / CDX-GT434U Service Manual ▷ View online
CDX-GT430U/GT434U
CDX-GT430U/GT434U
21
21
4-7. PRINTED WIRING BOARDS – 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
A
MAIN BOARD
CN403
AF/TA/PTY
2/ALBM +
1/ALBM –
N
SEEK–
..
SEEK+
CN902
(USB)
RE901
PUSH ENTER/
SELECT
(VOLUME)
1-877-688-
1-877-689-
(11)
11
(11)
11
1-877-688-
(11)
11
LCD901
LIQUID CRYSTAL DISPLAY PANEL
LCD BACK
LIGHT
6/PAUSE
DSPL/SCRL
5/DM+
4/SHUF
3/REP
ZAP
MODE
(RING ILLUMINATOR)
LED928,932,935
(GT430U)
LED926-929
(GT434U)
LED931,
S902
OFF
LED907,
S907
LED911,913,
S906
SOURCE
LSW901
LED914,
S905
LED915,
S908
LED925,930,
S903
;
J901
AUX
1
2
3
4
1
52
LSW901
LSW905
LSW906
LSW907
LSW908
LSW909
LSW910
LSW911
LSW912
LSW913
LSW905
LSW906
LSW907
LSW908
LSW909
LSW910
LSW911
LSW912
LSW913
IC902
LED918,924,
S904
LED901
DISC SLOT
INDICATOR
LED922
LED907
LED931
LED91
1
LED913
LED914
LED915
LED918
LED922
LED924
LED925
LED926
LED927
LED928
LED929
GT434U
GT434U
GT434U
GT430U
GT430U
LED930
LED932
LED935
CN902
1
4
5
6
R924
R925
R926
R928
R929
R930
R931
R936
C906
R943
R947
R951
R955
R959
S902
R963
S903
R964
S904
S905
S906
S907
S908
R971
R972
R975
R976
IC902
RE901
E C B
E C B
E C B
1
16 17
32 33
48
49
64
1
2
19
20
Q901
Q902
Q907
RB901
L901
VDR900
VDR901
FB901
FB902
VDR903
FB903
VDR906
VDR908
R901
R902
R903
R904
R905
R906 R907
R909
R910
R91
1
R914
CN901
R920
R921
R922
R923
R927
R932
R933
R934
R935
R939
C901
C902
C903
C904
R940
R944
R948
R952
R967
R968
R980
R981
R982
R986
R987
R988 R989
R990
R991
R992
R993
R996
R998
D901
D902
R908
D907
D906
D908
D909
D910
D911
D912
W001
W002
W003
W004
ORG
RED
BRN
ORG
RED
BRN
W005
W006
IC901
Ref. No. Location
• Semiconductor Location
Ref. No. Location
Ref. No. Location
Ref. No. Location
Ref. No. Location
(D901) F-7
(D902) G-9
(D906) G-10
(D907) G-10
(D908) G-10
(D909) G-10
(D910) G-10
(D907) G-10
(D908) G-10
(D909) G-10
(D910) G-10
(D911) G-11
(D912) G-11
(IC901) G-7
(D912) G-11
(IC901) G-7
IC902
D-5
LED901 C-12
LED907 A-1
LED911 B-2
LED913 B-3
LED914 B-2
LED915 C-1
LED918 C-2
LED922 B-7
LED924 C-3
LED925 C-2
<LED926> C-4
<LED927> C-5
LED928 B-4
<LED927> C-5
LED928 B-4
<LED929> C-3
LED930 C-2
LED930 C-2
LED931 C-1
[LED932] C-3
[LED935] C-5
(Q901) G-6
(Q902) F-6
(Q907) F-5
( ) : SIDE B
< > : CDX-GT434U only
[ ] : CDX-GT430U only
< > : CDX-GT434U only
[ ] : CDX-GT430U only
(Page 17)
CDX-GT430U/GT434U
CDX-GT430U/GT434U
22
22
4-8. SCHEMATIC DIAGRAM – KEY Section –
5
G
I
H
9
14
8
12
J
A
B
1
15
11
F
13
10
16
4
7
D
E
17
3
C
2
6
(2/3)
A
MAIN
BOARD
CN403
0 . 2
0 . 8
0 . 1
0 . 1
0 . 8
0 . 8
0 . 2
5 . 4
5 . 2
5 . 2
0 . 2
3 . 2
3 . 2
3 . 2
3 . 2
5 . 4
2.7
2 . 7
2 . 7
2.7
3 . 7
1 . 8
1 . 8
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
5.3
5.3
5.3
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 7
2 . 6
(GT430U)
(GT434U)
(GT434U)
(GT434U)
(GT430U)
(GT434U)
(GT430U)
(GT434U)
(GT430U)
(GT434U)
(GT430U)
(GT434U)
(GT430U)
(GT434U)
(GT430U)
(GT434U)
(GT430U)
(GT434U)
(GT430U)
(GT434U)
(GT430U)
(GT430U)
(GT434U)
(GT430U)
(GT434U)
(GT430U)
(GT434U)
(GT434U)
(GT430U)
(GT430U) (GT434U)
(GT434U)
(GT430U)
(GT430U)
(GT434U)
(GT434U)
(GT430U)
(GT430U)
(GT434U)
(GT434U)
(GT430U)
*1
*1
*1
*1
*1
*1
*1
*1
*1
*1
*1
*1
(GT430U)
GT430U
(GT434U)
GT434U
*1
*1
0.1
VCC
OUT
GND1
GND2
RS-470
IC902
NESW505CT-AST
LED901
S906
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
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
LC75826WH-US-E
IC901
BACK-
DIMMER
COLOR
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
SEG2
VDD
VDD1
VDD2
VSS
SEG52
INH
LCD_CE
LCD_CLK
SEG3
COM4
COM3
COM2
COM1
SEG2
VDD
VDD1
VDD2
VSS
SEG52
INH
LCD_CE
LCD_CLK
LCD_
1SS355WTE-17
D901
D902
MAZ8051GMLS0
R903
1k
R902 1k
R901
1k
C901 0.1
C902 0.1
1M
R904
C904
0.47
C906
R906
150
R907
150
R905
100
MAZ8180GMLS0
D906
LSW911
3
1
2
4
5
6
LSW905
3
1
2
4
5
6
LSW906
3
1
2
4
5
6
LSW908
3
1
2
4
5
6
LSW910
3
1
2
4
5
6
LSW912
3
1
2
4
5
6
LSW909
3
1
2
4
5
6
LSW907
3
1
2
4
5
6
LSW901
3
1
2
4
5
6
S905
S903
S902
S904
RE901
R920
820
R921
1k
R922
1k
R923
1.2k
R924
1.5k
R925
1.8k
2.2k
R926
R927
3.3k
R928
820
R929
1k
R930
1k
R931
1.2k
R932
1.5k
R933
1.8k
R934
2.2k
R908
180
R909
180
R910
180
R911
1.2k
LED913
LED931
LED930
R935
R936
R943
R944
R947
R948
LED918
R952
R951
LED928
LED928
LED929
SML-310PTT86
LED926
SML-310PTT86
LED927
SML-310PTT86
R939
R940
R971
R975
150
R976
150
R964
R967
R968
0.1
C903
LED925
LED924
LED922
R980
150
R981
150
R982
LED911
MAZ8068GMLS0
D907
MAZ8068GMLS0
D908
MAZ8068GMLS0
D909
MAZ8068GMLS0
D910
MAZ8068GMLS0
D912
3
1
2
4
L901
RB901
10X2
2
1
4
3
MAZ8068GMLS0
D91
1
0
R986
0
R987
100
R988
100
R989
100
R990
1
2
3
4
6P
CN902
VDR900
VDR901
VDR903
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
16
17
18
19
20
20P
CN901
GND
USB_VBUS
GND
USB_GND
KEY_GND
KEY_GND
USB_D+
AUX_LCH
USB_D-
KEY1
AUX_RCH
RE1
AUX_GND
RE0
KEY0
LCD_CE
SIRCS
LCD_CLK
LCD_DATA
ILL_+B
PANEL(NOSE_SW)
LSW913
3
1
2
4
5
6
R991
3.3k
R955
S908
LED907
LED914
LED915
VDR908
VDR906
LED932
LED935
2SC3052EF-T1-LEF
Q907
2SC3052EF-T1-LEF
Q902
2SC3052EF-T1-LEF
Q901
R992
10k
R993
10k
R996
10k
0
R998
FB903
J901
FB902
FB901
R959
R914
0
DATA
CE
CLK
DATA
CLK
DATA
S[1]
S[2]
COM[1]
COM[2]
COM[3]
COM[4]
S[3]
S[4]
S[5]
S[6]
S[7]
S[8]
S[9]
S[10]
S[1
1]
S[12]
S[13]
S[14]
S[15]
S[16]
S[17]
S[18]
S[19]
S[20]
S[21]
S[22]
S[23]
S[24]
S[25]
S[26]
S[27]
S[28]
S[29]
S[30]
S[31]
S[32]
S[33]
S[34]
S[35]
S[36]
S[22]
S[23]
S[24]
S[25]
S[26]
S[27]
S[28]
S[29]
S[30]
S[31]
S[32]
S[33]
S[34]
S[35]
S[36]
COM[1]
COM[2]
COM[3]
COM[4]
S[48]
S[47]
S[46]
S[45]
S[44]
S[43]
S[42]
S[41]
S[40]
S[39]
S[38]
S[37]
S[36]
S[35]
S[34]
S[33]
S[32]
S[31]
S[30]
S[29]
S[28]
S[27]
S[26]
S[25]
S[24]
S[23]
S[22]
S[21]
S[20]
S[19]
S[18]
S[17]
S[16]
S[15]
S[14]
S[13]
S[12]
S[1
1]
S[10]
S[9]
S[8]
S[7]
S[6]
S[5]
S[4]
S[3]
S[2]
S[1]
S[48]
S[47]
S[46]
S[45]
S[44]
S[43]
S[42]
S[41]
S[40]
S[39]
S[38]
S[37]
CLK
CE
DSPL/SCRL
6/PAUSE
5/DM+
4/SHUF
3/REP
2/ALBM +
ZAP
IC901
KEY BOARD
SIGN851
SIGN852
SIGN849
5
6
VBUS-USB
D-
D+
GND-USB
D-
D+
GND-USB
CN902
(USB)
S907
75
100
150
220
150
180
68
100
150
220
150
180
100
150
150
180
68
100
100
75
100
150
R972
100
150
68
100
R963
100 75
68
100
100
75
150
220
150
180
100
180
SOURCE
SEEK+/
/SEEK–
DISC SLOT
INDICATOR
LED907,911,913-915,918,922,924,925,928,930,931
SML-310VTT86
SML-310PTT86
SML-310PTT86
/SEEK–
MODE
ROTARY
ENCODER
PUSH ENTER/
(VOLUME)
SELECT
AF/TA/PTY
(RING ILLUMINATOR)
(RING ILLUMINATOR)
LED926,927,929
LED DRIVER
OFF
(LCD BACK LIGHT)
LCD BACK LIGHT
DIMMER CONTROL
LCD BACK LIGHT
CONTROL
REMOTE CONTROL
SIGNAL RECEIVER
IC902
2
3
4
1
LCD DRIVER,
LED CONTROL
LIGHT
DATA
AUX
JACK BOARD
W003
W002
W001
W005
W006
W004
SEEK+/
MODE
1/ALBM –
(RING ILLUMINA
TOR)
SML-310VTT86
LED932,935
OFF
MODE
SOURCE
SOURCE
SIGN852
SIGN849
SIGN851
(Page 19)
CDX-GT430U/GT434U
23
• IC Block Diagrams
IC301 TDA8588AJ/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
SERVO-3.3V
MECH-6V
VP
BU+B
I2C_SIO
I2C_SCK
VP2
P-GND1
SVR
IN-FL
IN-FR
BEEP
P-GND3
VP1
STB
P-GND4
RST
CRES
AUDIO+B
(8.5V)
(8.5V)
GND
PANEL+B
CBU
FL
RL
RR
VP
FR
I
2
C BUS
CDX-GT430U/GT434U
24
IC001 TEF6607T/V4/S470/M5,518 (MAIN Board (2/3))
IC601 TDA7333013TR (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
TEST
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
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
RESET
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
I2C_SIO
12
I2C_SCK
11
OSCILLATOR
XT0
10
XT1
9
RDS
DEMODULATOR &
SYNCHRONIZATION
2
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