CDX-GT290EB, CXS-2969F, CXS-29FQ - Sony Car Audio Service Manual (repair manual). Page 13

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CDX-GT290EB
CDX-GT290EB
13
13
SECTION  4
DIAGRAMS
4-1.  BLOCK  DIAGRAM  – MAIN Section –
11
15
22
24
26
16
5
7
6
21
27
9
25
18
19
8
AU_LCH
AU_RCH
UNI_SO
UNI_SI
UNI_CLK
Z_MUTE
CD_ON
CDM_ON
SYS_RST
EJECT_OK
BUS_ON
BU+3.3V
A_ATT
BU_IN
D_+3.3V
A_+3.3V
BU_+3.3V
DR_+6V
R-CH
R-CH
R-CH
R-CH
R-CH
SERVO +3.3V
BU_+3.3V
R-CH
9 AUX-L
7 AUX-R
UNISO
5
UNISI
6
UNISCK
7
Z-MUTE
21
CD_ON
52
CDM_ON
20
RESET
12
SYSRST
43
BUSON
BU +3.3V
44
VOUT
1
VDD 2
1,2
D512
D510
4 FMIN1
3 FMIN2
4 TU-L
8 AUX-G
ELECTRONIC VOLUME
IC401
J1
(ANTENNA)
PHASE LOCKED LOOP (PLL)
IC1
L6
FM MIX
L4
L2
CNP301
CD
MECHANISM
UNIT
(MG-101L)
I2C BUS CONTROLLED POWER AMP/
MULTIPLE VOLTAGE REGULATOR
IC750
SYSTEM CONTROL
IC501 (1/2)
RESET
IC602
CN601
3 TU-R
6 CD-L
5 CD-R
R-CH (FRONT)
R-CH (REAR)
BATT
R-CH
8
9
18
SCL
19
SDA
14
RSSI
93 VSM
16 XTAL1
15 XTAL2
LOUT
ROUT
J901
(AUX)
X1
4MHz
5
3
OUT-FL+
OUT-FL–
9
7
OUT-RL+
OUT-RL–
27
R-CH
ANT-REM
35
VP
BATT
20
VP1
6
VP2
30
AUDIO+B
31
33
SERVO+3.3V
MECHA+6V
34
PANEL+B
35
33
OUT-FR
OUT-RR
R-CH
R-CH
30
31
SUB-L
SUB-R
4 SCL
AUDIO +8.5V
SERVO+3.3V
MECHA+6V
PANEL+B
2 SDA
16 BEEP
22 STB
25 DIAG
7
10
12
11
16
1
-1
-2
9
2
4
3
6
37
38
SCL
SDA
I2C-SCL
I2C-SDA
I2C-SCL
I2C-SDA
I2C-SCL
I2C-SDA
I2C-SCL
I2C-SDA
29
I2C_SCK
30
I2C_SIO
56
ATT
28
BEEP
58
AMPSTB
57
DIAG
19
BUIN
12 IN-FL
FL+
FL–
L
R
RL+
RL–
FR+
FR–
RR+
RR–
ANT-REM
BATT
ACC
34
OUT-FL
11 IN-RL
32
OUT-RL
MUTE
Q481
MUTE
CONTROL SWITCH
Q478,479
55
ACC IN
ACCESSORY CHECK
Q631
BU+3.3V REG
IC681
MUTE
Q461
29
AMP-REM
5
AMP-REM
1 AMRFIN
D479
D511
FU601
37
BU+B
B.U+5V
J330 
REAR/SUB
AUDIO OUT
MUTE
Q441
BU+3.3V
BATT
OVER VOLTAGE
CHECK
Q580-582,D580,D581
MECHA +6V
A_8.5V
14
AUDIO +8.5V
B.U +5V
VOUT
4
VIN 5
L3
6LJQDO3DWK
5&+LVRPLWWHGGXHWRVDPHDV/&+
: MW
: CD
: FM
: AUX

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