Block Diagram -Main Section - Sony CDX-V3800 Service Manual

CDX-V3800
3-2. BLOCK DIAGRAM — MAIN SECTION —
SECTION
(Page 13)
PJ601
(ANTENNA)
CDX-V3800
ELECTRONIC VOLUME
IC401
AP2
5
AP1 3 R-CH
OUTS2 17
OUTS1 18
R-CH
CD
A CD-L
9 C2
R-CH 8 C1
TUX601
(TUNER UNIT)
1 ANT L 4 7 B2
OUTF2 23
R 3 6 B1
OUTR2 22
OUTF1 25 R-CH (FRONT)
OUTR1 R-CH (REAR)
24
MUTE
VCC 10 AU+8V 29
SCL
TU VDD 11
TU+5V
SCL 30
SDA
U COM+3.3V
E2P VDD 15
SDA 31
SCL
TU-SCL 13
SDA
TU-SDA 14 SYSTEM CONTROL
IC801 (2/3)
SCL
IIC SCK 33
SDA
IIC SIO 34
S-METER 6 45 VSM
VOL ATT 6
TU MUTE 7 15 TU ATT
E2P SCL 16 25 EEP SCK
1
LINE ATT
E2P SDA 17 24 EEP SIO
BEEP 5
STB 31
DIAG 56
ACC IN 64
PAK BK 67
• R-CH is omitted due to same as L-CH.
• Signal Path
: CD PLAY
: FM
: AM
BU IN 53
UNI SI
58
UNI SO 59
POWER AMP
MUTE
IC100
Q407
12 IN RR(FL)
11 IN RF(RL)
MUTE MUTE
Q405 Q404
D400
MUTE DRIVE
BATT
Q400,401
SDA
2 SDA
SCL
4 SCL
D702
CD
B
MUTE
(Page 13)
SECTION
16 ACGND
22 STB
25 DIAG
35 VP
BATT
TU+5V REG
TU+5V
Q601
BACK-UP
BATTERY CHECK
DETECT
Q902
Q906,907
BATT
D915
14 14
L
AUX IN
R
R-CH
L
REAR
AUDIO OUT
R-CH R
L
FRONT
AUDIO OUT
R-CH R
CNP901
1
LF+ 5 FL+
9
LF- 3
FL-
2
RF+
9 RL+
10
RF- 7 RL-
4
FR+
12
FR-
3
R-CH
RR+
11
RR-
5
SW1 29
AMP-REM
6
SW2 27
ANT-REM
F900
16
BATT BATT
REG1 30 AU+8V
REG2 37
U-COM+3.3V
REG3 31
SERVO+3.3V
REG4 33
MECHA+6V
REG5
34 DISP+B
7
ACC CHECK
ACC
Q900
15
PAK BK
AU+8V
D912
BATT
PJ401