A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
IC603
NJM2233BM-T1
VIDEO SWITCH IC
1
2
3
4
5
6
7
8
D620
1SS133
C650
10
50V
NP
Q602
2SC2412K
TEXT SW
Q603
2SC2412K
TEXT SW
Q610
2SC2412K
YS MUTE
R655
330
R618
10K
R640
10K
R635
10K
R639
10K
C602
3.3
50V
YK
C603
3.3
50V
YK
C604
3.3
50V
YK
C640
10
50V
YK
C637_1
10
50V
KS
C648_1
1
50V
KS
W872
W824
W889
W822
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.
NOTE:
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
AV1
YS_MUTE
FBT_5V
DET_OUT
AV_VIDEO_1
VIDEO_OUT
AV_VIDEO
21-R
A-R
21-G
A-G
21-B
A-B
A-Y
21-Y
GND
GND
FROM JACK
FROM/TO CHROMA/SOUND AMP
FROM/TO MICON/TUNER
NC
PCB010
NC
NC
TM9440
0.0
0.6
0.0
0.6
0.0
0.0
0.0
0.0
0.0
0.0
4.9
4.7
0.0
2.8
0.0
2.8
0.0
VIDEO/R.G.B SWITCH SCHEMATIC DIAGRAM
G-14
G-13