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
J751
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
IC751
LA7151
A/V SIGNAL SWITCHER
1
10
11
12
2
3
4
5
6
7
8
9
IC301
M62420FP
TONE CONTROL IC
1
10
11
12
13
14
15
16
17
18
19
2
20
3
4
5
6
7
8
9
D766
MTZJ12B
D755
MTZJ12B
D754
MTZJ12B
D753
MTZJ12B
D758
MTZJ5.1B
C332
2.2
50V
KANP
C755
10
16V
NP
C754
10
16V
NP
C325
2.2
50V
KANP
Q308
2SC2412K
BUFFER
Q307
2SC2412K
BUFFER
Q304
2SC2412K
MUTE
Q305
2SC2412K
MUTE
Q754
2SC1815Y
VIDEO OUT
R777
47K
R329
1.8K
R333
680
R310
1K
R318
330
R322
100
1/4W
R320
100
1/4W
R334
330
R321
100K
R319
680
R776
330
R775
330
R317
1K
R314
2.2K
R325
4.7K
R326
4.7K
R313
1.8K
R332
1K 1/4W
R309
1K 1/4W
R759
75
R762
8.2K
R751
5.6K
R772
100
R760
8.2K
R778
47K
R755
100
R774
75
R773
75
R771
75
R769
75
R753
8.2K
R752
8.2K
R315
2.2K
R324
2.2K
R756
68
R758
100
C338
0.01
B
C758
150P
B
C309
0.022
B
C311
0.47
TF
C315
0.033
B
C312
0.47
TF
C310
0.022
B
C334
0.022
B
C316
0.033
B
C331
0.001 B
C757
0.01
B
C769
0.0022 B
C765
0.001
B
C752
0.001
B
C779
0.001
B
C762
0.001
B
C704
0.1
F
C324
47
10V
KS
C327
1
50V
KS
C333
220
10V
YK
C330
47
16V
KS
L758
22uH
L303
22uH
L302
47uH
L753
120uH
L751
22uH
L761
22uH
L760
22uH
L756
22uH
C323
47
16V
KS
C326
1
50V
KS
C751
10
50V
YK
C774
10
50V
KS
C753
10
50V
KS
C777
10
50V
YK
C766
470
10V
YK
C767
470
10V
YK
C775
22
50V
YK
W852
W853
W854
W848
W835
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
GND
TUNER_AUDIO_R
TUNER_AUDIO_L
A_MUTE
SCL
SDA
SOUND_R_1
AV1
FOR_VCR
TU_VIDEO_OUT
SOUND_L_1
TU_VIDEO_OUT
AV_VIDEO
21-Y
21-R
21-G
21-B
GND
FBT_9V
FBT_5V
SOUND_GND
GND
SOUND_L
SOUND_R
PCB010
TM9419
FROM/TO IF/CHROMA/SOUND AMP
29
30
28
FROM IF/CHROMA/SOUND AMP
TO VIDEO/R.G.B SWITCH
FROM IF/CHROMA/SOUND AMP
FROM/TO MICON/TUNER
4.8
2.1
2.8
9.0
4.5
4.4
4.5
4.5
4.5
4.5
0.0
4.9
4.8
3.1
3.3
0.0
4.5
4.5
4.5
4.5
4.4
4.4
4.5
NC
0.0
5.1
0.0
5.1
0.0
5.8
8.9
5.8
0.0
5.8
0.0
5.8
INTERFACE
I2C BUS
CONTROL
LOGIC
+
-
-
+
REF
+
- +
-
+
-
+ -
REF
REF
136K
136K
SIMAMP1
VOLAMP1
SIMAMP2
VOLAMP2
6.5K
6.5K
6.5K
VR4
VR2
VR1
1.8K
1.8K
S2
S1
VR3
VR5
S7
S4
S6
S3
S5
6.5K
TONE
AMP2
AMP1
TONE
S8
VR6
8.9
3.7
8.9
3.7
A
A
H
H
L
L
B
B
CH1(L)
CH2(R)
NC
NC
NC
VIDEO IN
VIDEO OUT
21-Y
21-R
L IN
21-B
FOR VCR
21-G
L OUT
R IN
R OUT
0.2
0
0
0.2
0
0
JACK SCHEMATIC DIAGRAM
G-12
G-11