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 SWITCH IC
1
10
11
12
13
14
15
16
2
3
4
5
6
7
8
9
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
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:
C602
3.3
50V
YK
C604
3.3
50V
YK
C603
3.3
50V
YK
C607
100
16V
YK
C606
100
16V
YK
C608
100
16V
YK
C601
220
10V
YK
D606
1SS133
D605
1SS133
D604
1SS133
D603
1SS133
D602
1SS133
D601
1SS133
D618
1SS133
D607
1SS133
C622
220P B
R607
12K
R609
1K
R611
1K
R610
1K
R606
12K
R603
12K
R604
12K
R605
12K
R601
1.5K
R635
1K
R632
10K
R627
2.7K
R608
12K
Q601
2SC2412K
V.REF
Q603
2SC2412K
SWITCHING
Q602
2SC2412K
SWITCHING
Q605
2SC2412K
YS.MUTE SW.
YS.MUTE
TEXT-R
TEXT-G
TEXT-B
TEXT-Y
21-R
21-G
A-G
A-R
21-B
A-B
A-Y
21-Y
GND
PCB010
TMX471
(MAIN PCB)
VIDEO/RGB SW SCHEMATIC DIAGRAM
TO IF/CHROMA/SOUND AMP
FROM IF/CHROMA/SOUND AMP
G-14
G-13
2.5
4.9
1.8
0
0
0
1.4
1.4
1.4
1.4
1.4
4.9
0.3
0.3
0.3
1.4
1.4
1.4
1.4
VDD
Y
X
X1
X0
A
B
C
VSS
VEE
IN H
Z0
Z
Z1
Y0
Y1
0
0
0
FROM 21PIN/JACK
FROM/TO POWER
FROM MICON/TUNER
0
0.6
0
0.6
0.01
0.66