Sony CDX-GT340, Service Manual

Page: 15 / 36

CDX-GT34W/GT340
CDX-GT34W/GT340
15 15
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM – MAIN Section –
11
15
22
24
26
16
5
7
6
21
27
9
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
D_+3.3V
A_+3.3V
BU_+3.3V
DR_+6V
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
SERVO +3.3V
BU_+3.3V
R-CH
R-CH
9 AUX-L
7 AUX-R
2 BUS-L
1 BUS-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
25 BUS_IN
BUIN
UNISI UNISO UNISCK SYSRST BUSON BUIN
19
1,2
D512
D510
4 FMIN1
3 FMIN2 4 TU-L
8 AUX-G
ELECTRONIC VOLUME
IC401
J1
(ANTENNA)
ADVANCED TUNER/
RDS DECODER/PLL
IC1
L6
FM MIX
L2
CNP301
CD
MECHANISM
UNIT
(MG-101L)
I2C BUS CONTROLLED POWER AMP
/MULTIPLE VOLTAGE REGULATOR
IC750
SYSTEM CONTROL
IC501 (1/2)
RESET
IC602
CN601
J330
(2/2) J330
(1/2)
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
9
2
4
3
6
37
38 SCL
SDA
27 SACLK
28 SADA
29 SAOUT
I2C-SCL
I2C-SDA
I2C-SCL
I2C-SDA
I2C-SCL
I2C-SDA I2C-SCL
I2C-SDA
29 I2C_SCK
30 I2C_SIO
83 SAIN
89
SADATD
90 SACLK
56 ATT
28 BEEP
58 AMPSTB
57 DIAG
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
R-CH
D479
D511
FU601
37 BU+B
B.U+5V
AUDIO
OUT
REAR/SUB
L
R
FRONT
L
R
BUS
AUDIO
IN
MUTE
Q441
BU+3.3V
28 LINK_OFF
MECHA +6V
A_8.5V
14
AUDIO +8.5V
B.U +5V
8
B/U-C
UNI SI
UNI SO
BU IN
UNISCK
BUS ON
SYSRST
LINK OFF
9
CLK IN
10
BUS IN
11
DATA IN
12
DATA OUT
13 RST
3
5
6
8
4
2
3
1
BATT
CLK 4
DATA I/O
1 BUS ON
2
RST
BATT
BATT
OVER VOLTAGE
CHECK
Q580,D580,D581
BUS INTERFACE
IC580
BUS
CONTROL
IN
TH580
CN580
7
6
LINK ON/OFF
SWITCH
Q587
BUS ON/OFF
SWITCH
Q586
S702
RESET
‡ S LJQDO P DWK
‡ R-CH LV RPLWWHG GXH WR VDPH DV L-CH.
: AM
: CD PLAY
: FM
: AUX
: BUS AUDIO