Aiwa TV-AR205, Руководство по обслуживанию

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14 13
SCHEMATIC DIAGRAM-3 (MAIN C.B-3/6)
C.C
HSYN
VSY N
B_OSD
G_OSD
PAL
-
N
RE
M
O
T
5V
KEY04
PO
W
E
R
ST
_
B
Y
CT
R
L2
SD
A
PAL
-
M
SC
L
KEY01
CT
R
L1
FB LK
KEY03
KEY02
R_OSD
VO
L
TIM_ON
5V
5V6
5V6
IC 70 1
R755
C731
R715
DZ701
R743
R739
C725
R740 R741
R722
R721
R720
R745
R716
R7
1
7
C709 C710
R718 R719
L701
L70 2
C711 C712
R704
R714
R713
R712
R711
Q701
R707
R
708
R7
0
9
R710
C
707
C
706
C
705
C
704
R7
2
8
IC7 02
R7
2
9
R744
R
732
R
731
C
727
C
728
C729
R727
R
726
C7
2
0
C733
R7
5
4
C732
R730
R753
X701
C721 C722
R
735
R
734
C7
3
4
C7
3
5
R701
R737
C7
0
2
R
702
FB701
C717
C7
2
4
R7
3
6
C718
C716
C
723
D
Z
705
D
Z
704
R7
4
8
R766
R747
C701
DZ702
IC 70 3
L70 3
C719
DZ703
D701
C708
C730
R759
R757
R756
Q702
R751
Q703
5V 5V
5V
5V6
(M
N/
S
T
)
5V
5V
5V 5V
5V
5V 5V 5V
(P
R
-SEL
)
(S
E
R
V
IC
E
)
(S
D
A
)
(S
C
L
)
(S
C
L
)
(S
D
A
)
(
PAL
N
)
(
PAL
M
)
(
R
EM
O
T
E)
(P
W
M
)
(C
T
R
L
2
)
(C
T
R
L
1
)
MC68 HC908
22k
470 kpF /16 V
100 R(N)
4V7(N)
4K7(N) 220 R(N)
470 pF/ 50V
33K(N) 2k2
2k7 (N)
2k7 (N)
2k7 (N)
1k( N)
100 R(N)
1
0
0
R(
N)
33p F
33p F
2K2 2K2
2u2H
2u2 H
33p F 33p F
33K(N)
100 R(N)
100 R(N)
100 R(N)
100 R(N)
BC847
4K7
4K
7
4K
7
4K7
150pF
/
50V
150pF
/
50V
150pF
/
50V
150pF
/
50V
100R
(
N
)
MN24 C08MN6
100R
(
N
)
4K7
4K
7
4K
7
150pF
/
50V
150pF
/
50V
100 kpF /25 V
4K7
4K
7
100uF
/
16V
0,
47uF
/
1
6V
10K
10k
p
F
/
50V
4M7
330 K
32. 768 kHz
33pF
/
5
0V
33pF
/
5
0V
4K
7
4K
7
150pF
/
50V
(
N
)
150pF
/
50V
(
N
)
10k
1K( N)
150pF
/
50V
1
0
0
R(
N)
22KpF/ 50V(N)
1K
pF
/
50V
(
N
)
1k
(
N
)
1KpF/5 0V( N) 220 uF/ 16V
10uF
/
16V
5V
6(
N
)
5V
6(
N
)
10K
2M2(N)
10K
1uF/10 0V
5V1
M519 43
33u H
33p F/5 0V
4V7(N)
1N4148 (N)
1uF/16 V
470pF
/
1
6V
470 R(N)
4K7
1k
BC847B
1k
BC847B
52 51
VSSO
SD
VD
D
O
SD
RS
T
PT
C
4
PT
C
3
PT
C
2
VD
D
T1
C
H
0
T1
C
H
1
T1
C
L
K
PT
C
1
PT
C
0
NC
VSSCGM
VDDCGM
PLLXFC
OSC1
OSC2
IR Q
PTB7
PTB6
PT B5
PT B4
PT B3
PT B2
PT B1
PT
B
0
PT
A
7
PT
A
6
PT
A
5
PT
A
4
PT
A
3
VSS PT
A
2
PT
A
1
PT
A
0
SD
A2
SC
L
2
SD
A1
SCL1
FB KG
I
B
G
R
SCANEN
VSYNC
HSYNC
ADCIN
VI DEO
OSD
OSD
50 49 48 47 46 45 44 43 42 41 40
39
38
37
36
35
34
33
32
31
30
29
28
27
26 25 24 23 22 21 20 19 18 17 16 15 14
13
12
11
10
9
8
7
6
5
4
3
2
1
VDD
WP
SCL
SDA VSS
A2
A1
A0 8
7
6
5 4
3
2
1
1 3
2
-
+
To
MAIN C.B
-6/6
To
MAIN C.B
-2/6
MAIN C. B -3/6 (CONTROL SECTION)
7
To
MAIN C.B
-4/6
8
5
To
MAIN C.B
-1/6
3
To
MAIN C.B
-5/6
9