Diagrams; Block Diagram -Main Section - Sony CDX-GT32W Service Manual

5-1. BLOCK DIAGRAM — MAIN SECTION —
J330(1/2)
BUS L
AUDIO
R R-CH
IN
R-CH
J901
AUX
TU1
(TUNER UNIT)
J1
1 ANT L-CH 4
(ANTENNA)
R-CH 3
I2C-SCL
TU-SCL 13
I2C-SDA
14
TU-SDA
AUDIO +8.3V 10 VCC (+8.3V)
TU+5V 11 TU-VDD (TU+5V)
B.U +3.3V 15 E2P-VDD
QUALITY
QUALITY 5
VSM
6
S-METER
TUATT
TU-MUTE 7
EEP-SCL
E2P-SCL 16
EEP-SDA
E2P-SDA 17
CNP301
11 AU_LCH
15
AU_RCH
R-CH
22
UNI_SO
24
UNI_SI
26 UNI_CLK
16 Z_MUTE
5
CD_ON
CD
7 CDM_ON
MECHANISM
UNIT
(MG-101TC) 6 SYS_RST
21
EJECT_OK
27
BUS_ON
9 A_ATT
25 BU_IN
18
D_+3.3V
SERVO +3.3V
19
A_+3.3V
8
BU_+3.3V
BU_+3.3V
1,2 DR_+6V
MECHA +6V
28 LINK OFF
CDX-GT32W/GT320/GT370/GT370S
SECTION 5

DIAGRAMS

ELECTRONIC VOLUME
2 BUS-LCH
R-CH 1 BUS-RCH
9 AUX-LCH
R-CH 7 AUX-RCH
8 AUX GND
4 TU-LCH
R-CH R-CH 3 TU-RCH
6 CD-LCH
R-CH 5 CD-RCH
SYSTEM CONTROL
38 QUALITY
39 VSM
12 TU ATT
25 EEP_CKO
24 EEP_SIO
D512
59 UNISO
58
UNISI
60 UNISCK
93 Z-MUTE
98 CD_ON
99 CDM_ON
D510
77 RESET
BU+3.3V 88 SYSRST
87 BUSON
RESET
IC602
1 VOUT VDD 2
S702
(RESET)
IC401
SUBOUT L 21
SUBOUT R 22 R-CH
MUTE
Q481
OUT-FL 25
OUT-RL 23
MUTE
OUT-FR 26 R-CH (FRONT)
Q441
R-CH (REAR)
OUT-RR 24
VOLATT
MUTE 28
I2C-SCL
SCL 29
I2C-SDA
SDA 30
MUTE
SAOUT 19
CONTROL SWITCH
SADA 18
Q478,479
SACLK 17
IC501 (1/2)
SACLK 15
SAOUT 14
SAIN 46
I2C-SCL
D511
I2C_CKO 33
I2C-SDA
I2C_SIO 34
VOL ATT 9
ATT 86
BEEP 5
AMPSTB
26
DIAG 8
ACC_IN 72
BUS INTERFACE
IC580
8 DATA OUT
BATT
9 DATA IN
BU IN 54
10 B/U-C
11 CLK-IN CLK
12 BIS-IN
DATA I/O
13 RST
BUS ON
RST
TU+5V REG
TU+5V
Q1,D1
BU+3.3V REG
BU +3.3V
BU+3.3V
IC681
19 19
CDX-GT32W/GT320/GT370/GT370S
I2C BUS CONTROLLED
POWER AMP/MULTIPLE
VOLTAGE REGULATOR
IC750
OUT-FL+
12 IN-FL 5
OUT-FL– 3
11 IN-RL
OUT-RL+ 9
MUTE
OUT-RL– 7
Q461
R-CH
D479
BATT
AMP-REM 29
I2C-SCL ANT-REM 27
4 SCL
I2C-SDA BATT
2 SDA
VP 35
VP1 20
VP2
6
B.UP+B 37 B.U+5V
BU +5V
AUDIO+8.3V
30 AUDIO +8.3V
SERVO+3.3V 31
SERVO+3.3V
MECHA+6V 33 MECHA+6V
PANEL+B 34
PANEL+B
16 BEEP
22 STB
25 DIAG
ACCESSORY CHECK
Q631
TH580
BATT
BATTERY CHECK
3 BATT
Q580,D580,581
CN580
7
BUS
4 4 1 CONTROL IN
5 2
6
6 3
BUS ON/OFF
8
1
SWITCH
Q586
2
• R-CH is omitted due to same as L-CH.
• Signal Path
: CD PLAY
LINK ON/OFF
AUDIO +8.3V
SWITCH
: FM
Q587
: AM/MW/SW
: BUS
BU +5V
: AUX
L
REAR
J330 (2/2)
R-CH
R
AUDIO
OUT
L
FRONT
R-CH R
GT32W/GT320
CN601
1
FL+
9
FL–
2
RL+
10
RL–
4
FR+
12
FR–
3
R-CH
RR+
11
RR–
5
AMP-REM
6
ANT-REM
FU601
16
BATT
7
ACC