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
C728
10
16V
KANP
IC702
NJM2234L
VIDEO SW IC
1
2
3
4
5
6
7
8
IC701
NJM2234L
AUDIO SW(MONO) IC
1
2
3
4
5
6
7
8
J701
0350_9982_05
21PIN JACK
1
10
11
12
13
14
15
16
17
18
19
22
0
21
3
4
5
6
7
8
9
Q711
2SC2412K
RGB SW
L707
22uH
L706
22uH
L708
22uH
L704
22uH
L711
22uH
L717
10uH
R750
100 1/4W
R710
1K
R745
100K
R742
75
R711
75
1/4W
R701
75
1/4W
R736
10K
R718
150
R723
10K
R716
75
1/4W
R715
75
1/4W
R714
75
1/4W
R713
75
1/4W
R705
1K
R720
47
R737
56K
R724
10K
R703
220 1/4W
C717
470
10V
YK
D712
MTZJ5.6B
W804
W833
L713
10uH 0305
C712
0.01
B
C764
56P
CH
C713
0.1
B
C721
100P
CH
C719
100P
CH
C716
100P
CH
C714
0.01
B
C731
0.01
B
C727
470P
CH
C763
100P
CH
C742
10
16V
KA
C743
10
16V
KA
C724
10
16V
KA
C725
100
10V
YK
C748
100
10V
YK
C715
10
16V
KA
Q702
KTA1266
BUFFER
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
FRONT_V_IN
FRONT_A_L
AV2
AV1
FORTHD_VCR_1
TU/RGB
SCART_V_IN1
TUNER_V_OUT
EXT_A_IN
21_Y
21_R
21_G
21_B
MONO_A_OUT1
P.CON+8V
GND
8.0
4.2
NC
4.9
TMB545
(MAIN PCB)
21PIN SCHEMATIC DIAGRAM
FROM/TO IF/CHROMA
FROM/TO MICON/TUNER
PCB010
VIDEO OUT
VIDEO IN
GND
GND
GND
21-B IN
FOR VCR
21-Y IN
21-R IN
GND
GND
21-G IN
GND
NC
NC
GND
GND
R IN
R OUT
L OUT
L IN
FROM POWER
FROM SOUND AMP
0
0
4.9
0
4.94
0
0
0
Vin1
SW1
Vin2
SW2
Vin3
Vcc
V.OUT GND
Vin1
SW1
SW2
Vin3
Vcc
V.OUT
GND
0
Vin2
26
30
31
5.2
4.5
4.9
0
4.9
0
4.9
8.0
4.2
0
27