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A
B
8
7
6
5
4
3
2
NOTE:
THE DC VOLTAGE AT EACH PART WAS MEASURED
1
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
A
B
G-11
C
AV SCHEMATIC DIAGRAM
FROM STEREO JACK
CP701B
8283_0812_00_000
A_IN_R
8
A_IN_R
GND
7
GND
C701
R729
A_IN_L
6
A_IN_L
1K
16V
5
NC
GND
4
GND
FRONT_VIDEO_IN
3
FRONT_VIDEO_IN
GND
2
GND
1
NC
TO STEREO JACK
CP703B
W808
8283_0512_00_000
1
L-OUT
2
L+OUT
3
R-OUT
4
R+OUT
5
GND
W814
VIDEO AMP IC
IC703
NJM2234L
VIN 1
SW1
VIN2
SW2
VIN3
VT
1
2
3
4
5
6
5.5
5.0
5.5
5.0
5.5
R711
R709
1K 1/4W
1K
R724_1
75 1/4W
NC
R_A/V_IN (STEREO)
J703_1
R_A/V_OUT (STEREO)
AV3-19DS-1
J704_1
AV3-19DS-1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(MAIN PCB)
C702
R727
1K
16V
10
KA
10
KA
VOUT
GND
7
8
5.0
4.0
0.0
C704
C703
R702
16V
10
KA
10
1/4W
16V
10
KA
R720
R721
1K 1/4W
1K
1/4W
C722
R760
47
1/4W
10V
470
YK
MUTE
MUTE
DTA144EKA
Q705
Q707
BUFFER
2SC2412K
2SC2412K
Q706
0
2SA1037AK
0
5.2
0
0
4.5
0
0
0
CAUTION: DIGITAL TRANSISTOR
D
E
F
G
FROM/TO SOUND AMP
FRONT_AUDIO_R
FRONT_AUDIO_L
GND
REAR_AUDIO_R
REAR_AUDIO_L
AUDIO_OUT_R
AUDIO_OUT_L
GND
SOUND_OUT_L
SOUND_OUT_R
P.CON+5V
FROM MICON/TUNER
EXT_MUTE
AV2
AV1
FROM/TO CHROMA
VIDEO
VIDEO_IN
Y_VIDEO
AT+5V
C726
16V
10
KA
C730
16V
10
KA
MUTE_SW
5.0
Q701
R749
4.4
2.2K
4.4
R703
0
0
MUTE_SW
1K
Q702
DTC114EK
R704
0
1K
CAUTION: DIGITAL TRANSISTOR
AUDIO SIGNAL
TUNER VIDEO SIGNAL
F
G
H
8
7
6
5
4
3
2
PCB010
TMX474
1
H
G-12
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