Read Sony CDX-V4800 Service Manual online
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CDX-V4800
CDX-V4800
3-2. BLOCK DIAGRAM — MAIN SECTION —
1 ANT
7 SE2L
AUDIO SELECT,
ELECTRONIC VOLUME
IC401
PJ601
(ANTENNA)
J901
AUX
TUX601
(TUNER UNIT)
POWER AMP/MULTI REGULATOR
IC100
SYSTEM CONTROL
IC801 (2/3)
CNP901
6
25
26
40
26
SE2R
SAOUT
SAIN
SAIN
R-CH
BATT
9 SELL
13 DIFFR
11 DIFFL
12 DIFFG
10 SE1R
R-CH
4
3
3
10
VCC
11
TU VDD
15
E2P VDD
13
TU_SCL
14
TU_SDA
6
S_METER
7
TU_MUTE
16
E2P_SCL
17
E2P_SDA
45 VSM
SA_DATA
SA_CLK
AU+8V
TU+5V
U COM+3.3V
U COM+3.3V
15 TU_ATT
25 EEP_SCK
24 EEP_SIO
24 EEP_SIO
L
R
CD-L
R-CH
16
28
28
RL
RR
R-CH
20
17
17
OUTRF
OUTLF
R-CH
L
R
5
3
3
LF+
LF-
9
7
7
RF+
RF-
29
27
27
SW1
R-CH
SW2
BATT
30
37
37
REG1
35
VP
6
VP2
20
VP1
REG2
31
33
33
REG3
REG4
34
REG5
TU+5V
18
OUTRR
21
MUTE
2 SDA
AU+8V
U-COM+3.3V
SERVO+3.3V
MECHA+6V
MECHA+6V
DISP+B
4 SCL
SDA
SCL
16 ACGND
22 STB
25 DIAG
25 DIAG
AU+8V
15
7
10
12
11
16
1
9
2
4
3
5
6
22
23
23
SCL
SDA
SCL
SDA
SCL
SDA
SCL
SDA
33
IIC_SCK
34
IIC_SIO
6
VOL_ATT
1
LINE ATT
5
BEEP
31
STB
56
DIAG
53
BU_IN
67
PAK_BK
12 IN_RR
FL+
FL-
RL+
RL-
FR+
FR-
RR+
RR-
AMP-REM
ANT-REM
ACC
PAK_BK
11 IN_RF
19
OUTLR
MUTE
Q404
MUTE
Q407
MUTE
Q405
REAR
AUDIO OUT
MUTE CONTROL
Q400,401
58
UNI_SI
59
UNI_SO
64
ACC_IN
ACC DETECT
Q900
TU+5V REG
Q601
BATT
BATTERY
LEVEL
DETECT
Q902,906,907
D400
D702
F901
R-CH
L
R
FRONT
AUDIO OUT
PJ401(2/2)
D915
D912
CD
SECTION
A
MUTE
CD
SECTION
B
BATT
• Signal Path
• R-CH is omitted due to same as L-CH.
: CD PLAY
: FM
: AM
(Page 15)
(Page 15)
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