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
IC601
TC74HC4053AF
ANALOG MPXER
1
10
11
12
13
14
15
16
2
3
4
5
6
7
8
9
IC603
NJM2233BM-T1
VIDEO SWITCH
1
2
3
4
5
6
7
8
C637
10
35V
KANP
Q601
2SC2412K
V.REF
Q602
2SC2412K
TEXT SW
Q603
2SC2412K
TEXT SW
Q610
2SC2412K
YS.MUTE
R618
10K
R608
12K
R605
12K
R604
12K
R603
12K
R607
12K
R606
12K
R610
1K
R611
1K
R609
1K
R601
2.7K
R640
1K
R639
10K
R635
10K
D606
1SS133
D607
1SS133
D602
1SS133
D603
1SS133
D604
1SS133
D605
1SS133
D620
1SS133
D601
1SS133
C601
220
10V
YK
C638
1
50V
YK
C602
3.3
50V
YK
C603
3.3
50V
YK
C604
3.3
50V
YK
C606
100
10V
YK
C607
100
10V
YK
C608
100
10V
YK
C640
10
50V
YK
C648
1
50V
KS
W889
W879
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
TEXT-R
TEXT-G
TEXT-B
TEXT-Y
GND
FBT_5V
DET_OUT
AV_VIDEO_1
AV_VIDEO_2
AV_VIDEO
21-R
A-R
21-G
A-G
21-B
A-B
A-Y
21-Y
GND
GND
0.0
FROM JACK
FROM IF/CHROMA/SOUND AMP
FROM/TO IF/CHROMA/SOUND AMP
FROM MICON/TUNER
NC
1.9
2.5
0.6
0.0
0.6
0.0
0.0
0.0
0.0
0.0
4.9
4.7
0.0
4.9
0.0
0.0
2.8
0.0
2.8
4.9
1.4
1.4
1.4
1.4
0.0
0.0
0.0
0.0
0.0
0.0
1.4
1.4
1.4
1.4
1.4
Y1
Y0
Z1
Z
Z0
IN H
VEE
VSS
C
B
A
X0
X1
X
Y
VDD
NC
VIDEO/R.G.B SWITCH SCHEMATIC DIAGRAM
G-14
G-13
PCB010
TM9419