CDX-GT430U, CDX-GT434U, CDX-GT437UE - Sony Car Audio Service Manual (repair manual). Page 20

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CDX-GT430U/GT434U/GT437UE
CDX-GT430U/GT434U/GT437UE
20
20
 
4-5.  SCHEMATIC  DIAGRAM  – MAIN Section (2/3) –
• See page 17 for waveforms.   • See page 24 for IC Block Diagrams.
H
B
2
A
C
I
E
F
D
11
12
5
4
7
14
10
1
13
J
3
9
8
G
6
A
4
1
(1/3)
1
BOARD
MAIN
(3/3)
3
BOARD
MAIN
BOARD
CN901
KEY 
IC B/D
IC B/D
IC B/D
*3
*4
*1
*2
*3
*2
*4
0
0
0
0
0
0
0
0
0
0
0
0
4.2
0
0
0
4.2
4.2
4.2
4.2
4.2
4.2
4.2
8.3
3.3
3.3
3.8
4.2
4.2
3.8
3.4
3.8
3.4
3.8
3.8
3.8
3.8
3.3
3.3
3.4
7
8.3
5.6
2.7
2.2
0
(1.2)
(1.2)
0
(2.9)
1.2
8.3
(6.6)
8.3
(6.6)
5.9
6
0.7
(5)
4.1
(3.6)
3
(2)
0.4
3.8
3.8
(1.8)
0
8.3
(2.9)
3.1
(2.9)
3.1
0
0
0.7
1.6
3.2
2.5
3.2
3
3.2
3.3
3.3
0.6
0.2
3.2
0
3.3
3.3
2.5
3.2
1.6
*1
(US)
(RU)
*2
(RU)
(US)
(RU)
*3
(US)
(US)
(RU)
*4
RU MODEL
0.1
C316
50V
2.2
C203
100p
C113
50V
10
C106
50V
10
C206
100p
C207
50V
10
C212
220
R116
100p
C213
100p
C107
220
R106
220
R206
220
R216
50V
2.2
C103
50V
10
C112
50V
10
C319
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
20P
CN403
GND
USB_VBUS
GND
USB_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)
R603
10k
R609
0
C611
16p
RT1N141C-TP-1
Q601
C608
0.1
C610
16p
16V
C602
47
C605
0.1
ISA1235AC1TP-1EF
Q602
C606
0.1
R602
0
C607
0.1
R607 0
R601
10k
R604
1k
R608 0
R606
100k
C604
0.1
C601
0.01
R605
10
C603
0.1
R610
0
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TDA7333013TR
IC601
VDDA
REF3
REF2
REF1
VSS
TM
VDDD
RESET
XT1
XT0
SCL
SDA
SA
CSN
INTN
MPX
R311
47k
10
R527
10
R526
4700p
C104
4700p
C204
12k
R104
12k
R204
2.2k
R302
470
R103
470
R203
ABSORBER, CHIP
 SURGE
D201
ABSORBER, CHIP
 SURGE
D101
MAZ8068GMLS0
D410
10k
R117
10k
R217
10k
R107
10k
R207
50V
1
C105
50V
1
C205
50V
2.2
C323
47p
C302
R404
0
1
2
3
3P
CN501
USB_D+
USB_D-
USB_GND
R611
0
FB201
FB101
10
R612
100
R613
100
R614
1k
R212
1k
R112
10k
R213
10k
R113
G
C318
1
LTC614TKFP8T146
Q102
LTC614TKFP8T146
Q204
LTC614TKFP8T146
Q202
LTC614TKFP8T146
Q104
1
C812
1
C813
R
T1N140C-TP-1
Q103
R
T1N140C-TP-1
Q203
1.5k
R303
0
R829
CAM003
50V
10
C208
50V
10
C108
0
R304
10V
100
C520
40
39
38
37
36
35
34
7
6
5
4
3
2
1
33
32
30
31
8
27
28
29
91
0
11
12
13
14
24
17
25
26
23
22
21
20
19
18
15
16
BD3447AFV-E2
IC302
BUS_LCH
BUS_RCH
TU_LCH
TU_RCH
CD_LCH
CD_RCH
AUX_LCH
AUX_GND
AUX_RCH
NCO
NCO
NCO
ZAPPIN1
NCO
NCO
ZAPPIN2
EBIAS
DS2_L
DS1_L
DS3_L
DS3_R
DS1_R
DS2_R
EBIAS
RING_LCH
RING_RCH
SA_CLK
SA_DA
SA_OUT
R/S_OUT_RCH
R/S_OUT_LCH
OUT_RRCH
OUT_RLCH
OUT_FRCH
OUT_FLCH
VCC
SCL
SDA
GND
FIL
10
R309
D301
UDZSUSTE-176.8B
D403
MAZ8068GMLS0
D404
MAZ8068GMLS0
16V
220
C317
C524
0.1
FB602
C612
100p
C609 100p
1
C21
22
R12
4MHz
X1
12p
C18
3.3uH
L1
R16
0
R4
L2
2.2uH
R3
0.01
C8
560uH
L8
J1
(ANTENNA)
100
R14
100
R13
CAM002
0.1
C26
1000p
C1
0.22
C12
JW148
0.1
C9
VR1
470k
R1
0.01
C19
C6
6p
C7
32
31
30
29
28
27
12345
6
26
25
24
789
23
22
21
20
10
11
12
19
18
17
13
14
15
16
IC001
TEF6607T/V4/S470,518
AMRFIN
AMRFDEC
FMIN2
FMIN1
GNDRF
VCC2
AMRFAGC
LOUT
ROUT
GNDAUD
AMIFAGC2
MPXIN
MPXOUT
RSSI
XTAL2
XTAL1
GNDD
SCL
SDA
VREF
VREGSUP
VCC1
GND
VCODEC
PLL
PLLREF
TEST
AMSELIN1
AMSELIN2
AMIFAGC1
AMSELOUT1
AMSELOUT2
0.01
C22
0
R5
JW147
JW137
0.1
C25
33k
R10
0.1
C24
0.1
C17
0.01
C23
R15
C29
330p
560uH
L7
68k
R6
JW138
16V
47
C28
1000p
C5
470k
R2
JW126
0.01
C20
L6
FM MIX
1
2
3
4
6
2.2
C13
0.1
C27
4.7k
R11
0.47
C16
JW102
1
2
3
4
5
6
7
8
9
11
29
30
33
34
35
39
40
41
32
1000p
C301
8.664MHz
X601
FB2
FB1
FB3
SA_CLK
SA_DA
I2C_SIO
I2C_SCK
ZAPPIN
I2C_SIO
I2C_SCK
SA_IN
I2C_SCK
I2C_SIO
VSM
RDS_ON
DAVN
KEY1
RE1
RE0
KEY0
LCD_CE
SIRCS
LCD_CLK
LCD_DATA
NOSE_SW
MAIN BOARD (2/3)
MUTE 
Q102-104,202-204
IC302
ELECTRONIC VOLUME
IC001
PHASE LOCKED LOOP(PLL)
IC601
RDS DEMODULATOR
CD MECHANISM
UNIT
(MG-101Y)
(1/2)
AUDIO OUT
REAR/SUB
R
R
L
L
FRONT
-3
-2
-4
-1
4P
J302
RDS +3.3V
CONTROL SWITCH
SWITCH
RDS +3.3V
C6
9p
10p
FB1
R15
0
R16
FB2
0
FB3
0
R3
(Page 21)
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