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A
B
8
FROM MICON/TUNER
AV1
7
AV2
6
FROM/TO VIDEO/R.G.B SWITCH
5
GND
4
FROM/TO IF/CHROMA/SOUND AMP
3
TU_VIDEO_OUT
FBT_9V
FBT_5V
TUNER_AUDIO_R
GND
W851
AV_AUDIO
2
1
A
B
G-11
C
D
JACK SCHEMATIC DIAGRAM
AV SIGNAL SWITCHER IC
IC751
H
A
CH1(L)
L
B
1
2
3
4
5
2.4
0
2.4
0
2.4
0
C766
10V
29
R776
330
C758
150P CH
2.8
4.8
2.1
VIDEO OUT
Q754
2SC1815Y
C774
W885
50V
10
C751
R772
50V
10
YK
100
W932
W933
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(MAIN PCB)
LA7151
H
CH2(R)
A
L
B
6
7
8
9
10
11
12
2.4
0
2.5
2.5
0 NC
NC
NC
5.0
NC
NC
4.0
L753
L701
10uH
10uH
470
YK
0607
C775_1
VIDEO IN
50V
10
YK
VIDEO OUT
C767
R756
28
10V
470
YK
68
L758
W938
L IN
KS
22uH
L760
L OUT
22uH
W838
NOTE:
THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
E
F
G
VIDEO SW IC
IC701
NJM2245L
BUFFER
15K
BIAS
15K
VCC
GND
1
2
3
4
5
6
7
8
0.0
5.5
0.0
5.5
8.9
3.3
0.0
FROM/TO IF/CHROMA/SOUND AMP
AV_VIDEO_2
DET_OUT
FROM SOUND
EXT_VIDEO_IN
GND
EXT_AUDIO_IN[L]
MONO AV OUT
J753
JPJ2042-01-430
MONO AV IN
J752
JPJ2042-01-430
PCB010
TM9430
F
G
H
8
7
6
5
4
3
2
1
H
G-12
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