Power Section - Aiwa HV-FX5200 Service Manual

BLOCK DIAGRAM-4 (Hi-Fi/SCART SECTION)
A MAIN(Hi-Fi SECTION)C.B
To 12VA 1A
POWER
SECTION
5V 2A
To
HF A PB 1G
A/V
HF REC 2G
SECTION
HF B PB 3G
To A.H/SW 1J
SYSCON/ IIC DATA 2J
SERVO
IIC CLOCK 3J
SECTION
A.ENV. 4J
C801
TU AUDIO(L) 1E
To
TU AUDIO(R) 2E
TUNER/IF
SECTION
VIDEO 4E
TU VIDEO 5E
AUDIO IN 1 5G
MONO AUDIO 4G
To
A/V
SECTION
VIDEO IN 1 6G
:PB VIDEO SIGNAL
:REC VIDEO SIGNAL
: VIDEO SIGNAL
:PB AUDIO SIGNAL
:REC AUDIO SIGNAL
ZD801
44 43 42 41 40 39
A.H/SW VCCH GNDH
I C 2
DCL
1
DOC
DCR
2 LEVEL DET.
HF PLL 1.3M
HF LIMITER
LPF CCO
3
LEVEL DET.
HF PLL 1.7M
HF LIMITER
LPF CCO
4
NOISE AUDIO NOISE AUDIO
SUPPR. CLIPPER SUPPR. CLIPPER
NOISE
5
REDUCTION
6
NOISE
REDUCTION
7
8
DCL
PEAK
HOLD
DCR
9
10
LINE
SELECT
11
12 13 14 15 16 17
IC901
BH7635S
15
ZD802
IC801
TDA9605H
VHS Hi-Fi AUDIO VHS Hi-Fi AUDIO
PROCESSOR PROCESSOR
38 37 36 35 34
VCC
33
R822
33K
32
1.3M
R821
BPF 2.7K
HF
AGC
31
1.7M C825
BPF
47/16
30
C824
10/16
Vref 29
C823
10/16
Lref 28
R820
GND 27
26
OUTPUT
SELECT
25
R819
2.7K
24
DEC. NORMAL
SELECT SELECT R818
33K
23
18 19 20 21 22
13 14 15 16 17 18 19 20 21 22 23 24
VCC
CLAMP
IC-BUS
CONT.
5V CLAMP CLAMP CLAMP
REG
GND VCC GND
12 11 10 9 8 7 6 5 4 3 2 1
C827
10/16
C826
6800P
39K
C822
10/16
C821
47/16
C820
6800P
C819
10/16
16
JK902
AUDIO
OUT(R)
AUDIO
OUT(L)
L905
JK901
BEAD
SCART1
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
JK901
SCART2
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
7J C+ DET "H"
8J LV MT "L"
ZD805
9J LV MT "R"
ZD806
To
SYSCON/
SERVO
SECTION