AV-25LS
CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAM(1/2)[AV-25LS/C]
TO
SPEAKER
J771
CEMN072-001
)
VIDEO-1
INPUT
CEMN072-002
CEMN072-003
J772
J773
R898
75
FRONT INPUT
(
VIDEO-3
0V
0V
5.0V
4.9V
4.3V
4.9V
4.4V
4.9V
5.3V
4.3V
4.4V
7.0V
5.9V
4.3V
4.3V
4.9V
4.3V
4.3V
5.7V
4.9V
4.4V
4.9V
4.3V
9.0V
4.4V
5.0V
4.2V
4.2V
1.9V
1.7V
4.1V
4.2V
3.4V
4.2V
5.1V
9.0V
3.0V
2.4V
2.9V
1.9V
4.2V
1.9V
2.6V
2.6V
COMPONENT
(
VIDEO-2
INPUT
OUTPUT
D806
R885
MTZJ12C-T2
)
75
D807
R884
MTZJ12C-T2
75
2.3V
1.7V
2.6V
2.1V
9.0V
5.0V
4.4V
IC801
1.2Vp-p(H
IC801
2.1Vp-p(H
7
)
27
)
IC801
2.2Vp-p(H
IC801
2.2Vp-p(H
23
)
22.8
0
0V
11.5V
V
V
15.3V
0.1V
11.4V
24V
37
)
0V
-0.3V
0V
4.6V
-1.0V
5.0V
0V
-0.4V
0V
0V
0.6V
MAIN PWB ASS’Y(1/2
SCH-1063A-H2
No.51848B10
)
0.6V
16.9V
0V
AV-25LS
0V
8.3V
7.4V
0V
3.7V
3.7V
3.7V
3.7V
3.7V
0.1V
3.7V
0V
5.0V
1.5V
0.2
V
9.0V
0V
2.9V
2.9V
2.4V
2.4V
5.0V
5.0V
1.7V
1.9V
5.0V
TO CRT SOCKET
PWB CN10T
6.3V
3.1V
2.5V
9.0V
0V
4.3V
9.0V
0V
3.9V
3.0V
4.9V
4.3V
4.9V
4.3V
4.3V
4.3V
0V
3.0V
3.9V
3.3V
2.7V
5.0
V
5.0V
5.0V
0V
3.3V
5.0V
2.7V
0V
5.0V
33.8V
3.3V
3.3V
2.6 2.4
5.0
5.0
4.8V
V
V
1.6V
0V
1.5V
0V
3.3V
1.8V
1.6V
3.3V
3.3V
3.3V
5.0
2.8
V
V
3.3V
1.5V
0V
4.6V
8.6V
1.9V
1.7V
5.0V
2.7V
2.8V
2.7V
3.3V
3.3V
0V
0V
8.3V
0V
0V
9.0V
2.2V
3.0V
4.2 1.9
VVV
V
2.6V
5.1V
3.8V
3.0V
4.9V
0V
5.0V
5.0V
0V
0V
0V
3.0V
3.7V
1.5V
8.3V
0V
3.3V
4.0V
2.0V
3.8V
0.8V
0.7V
1.9V
3.6V
1.9V
0.6
1.4V
V
2.0V3.5V3.8V
2.6V
IC701
TDA9365N13S0518
4.6V
2.1V
0
1.9
1.9
4.0V
V
V
V
33
IC701
)
2.8Vp-p(H
43
IC701
)
0.55Vp-p(H
51
IC701
)
3.4Vp-p(H
53
IC701
)
3.6Vp-p(H
IC701
1.0Vp-p(V
IC701
1.0Vp-p(V
IC701
1.04Vp-p(H
IC701
1.6Vp-p(H
IC701
2.6Vp-p(H
21
)
22
)
42
)
47
)
52
)
NOTE
: OPTION(NON MOUNT
X
: BUS WIRE
BW
: 2SC2412K/QR/-X
1
: 2SA1037AK/QR/-X
2
: MA111-X
3
: DTC124EKA-X
5
: 2SC1740S/QR/-T
7
)
No.51848B 11
AV-25LX
MAIN PWB CIRCUIT DIAGRAM(1/2)[AV-25LX/C]
TO
SPEAKER
J771
CEMN072-001
)
VIDEO-1
INPUT
CEMN072-002
CEMN072-003
J772
J773
R898
75
FRONT INPUT
(
VIDEO-3
0V
0V
5.0V
4.9V
4.3V
4.9V
4.4V
4.9V
5.3V
4.3V
4.4V
7.0V
5.9V
4.3V
4.3V
4.9V
4.3V
4.3V
5.7V
4.9V
4.9V
4.4V
4.3V
9.0V
4.4V
5.0V
4.2V
4.2V
1.9V
1.7V
4.1V
4.2V
3.4V
4.2V
5.1V
9.0V
3.0V
2.4V
2.6V
1.9V
4.2V
1.9V
2.6V
2.6V
COMPONENT
(
VIDEO-2
INPUT
OUTPUT
R885
D806
75
)
R884
MTZJ12C-T2
D807
75
MTZJ12C-T2
2.3V
1.7V
2.6V
2.1V
22.8V
0
0V
0V
-1.0V
4.6V
5.0V
0V
-0.4V
0V
0V
0.6V
-0.4V
11.5V
V
0V
15.3V
11.4V
24V
0.1V
IC801
1.2Vp-p(H
IC801
2.1Vp-p(H
9.0V
5.0V
4.4V
7
)
27
)
IC801
2.2Vp-p(H
IC801
2.2Vp-p(H
23
)
37
)
12
MAIN PWB ASS’Y(1/2
SCH-1061A-H2
No.51848B
)
0.6V
16.9V
0V
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