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

CDX-V3800
3-2. BLOCK DIAGRAM — MAIN SECTION —
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
SECTION
R-CH 8 C1
(Page 13)
TUX601
(TUNER UNIT)
L
1 ANT 4 7 B2
OUTF2 23
R 3
6 B1
OUTR2 22
OUTF1 R-CH (FRONT)
25
OUTR1 24 R-CH (REAR)
VCC 10 AU+8V MUTE 29
SCL
TU VDD 11
TU+5V
SCL 30
SDA
E2P VDD 15 U COM+3.3V
SDA
31
SCL
TU-SCL 13
SDA
TU-SDA 14 SYSTEM CONTROL
IC801 (2/3)
IIC SCK 33
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
MUTE
Q407
MUTE MUTE
Q405 Q404
D400
MUTE DRIVE
BATT
Q400,401
SCL SDA
SCL
SDA
D702
CD
MUTE B
(Page 13)
SECTION
BATT
TU+5V
BACK-UP
DETECT
Q906,907
D915
14 14
R-CH
R-CH
R-CH
POWER AMP
IC100
CNP901
12 IN RR(FL) LF+ 5
LF- 3
11 IN RF(RL)
RF+ 9
RF-
7
R-CH
SW1 29
SW2 27
F900
2 SDA
BATT
4 SCL
REG1
30 AU+8V
REG2 37
U-COM+3.3V
REG3 31
SERVO+3.3V
REG4 33 MECHA+6V
16 ACGND
REG5 34
DISP+B
22 STB
25 DIAG
35 VP
ACC CHECK
Q900
TU+5V REG
AU+8V
Q601
D912
BATTERY CHECK
BATT
Q902
BATT
L
AUX IN
R
L
REAR
PJ401
AUDIO OUT
R
L
FRONT
AUDIO OUT
R
1
FL+
9
FL-
2
RL+
10
RL-
4
FR+
12
FR-
3
RR+
11
RR-
5
AMP-REM
6
ANT-REM
16
BATT
7
ACC
15
PAK BK