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A
B
8
7
6
FROM SCALER
C1004
SP_AUDIO_OUT_R
5
4.7
B
(16V 21-25)
C1007
SP_AUDIO_OUT_L
4.7
B
(16V 21-25)
W911
AUDIO_MUTE
FROM SUB MICON
SW_SPDIF
4
FROM REGULATOR2
P.CON+3.3V
D1001
AT+3.3V
BAT54WS
FROM DVD_INTERFACE/AV_SWITCH
ZERO_MUTE
FROM REGULATOR
POWER_FAIL
3
GND
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
H-17
C
SOUND AMP MUTE SCHEMATIC DIAGRAM
W918
20
W919
21
R1008
MUTE_SW
10K
Q1000
KTC3875S_Y_RTK
2.9
R1005
0
R1009
47K
10K
0
D1002
BAT54WS
3.5
R1020
DVD MUTE SW
3.5
0
0
Q1006
4.7K
KTC3875S_Y_RTK
0
3.5
DVD MUTE SW
Q1005
KRA101SRTK
R1004
1K
NOTE: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.
C
D
E
(MAIN PCB)
0
MUTE
0
Q1002
KTC3875S_Y_RTK
0
0
MUTE
0
Q1003
KTC3875S_Y_RTK
0
W889
1608
0
SW
Q1001
KRA102SRTK
3.5
3.5
3.5
3.3
SW
0
Q1004
KTA1504S_Y_RTK
CAUTION: DIGITAL TRANSISTOR
D
E
F
G
CAUTION: DIGITAL TRANSISTOR
F
G
H
8
7
6
TO REGULATOR
FILTER_MUTE
TO AV SWITCH
AUDIO_ROUT
5
AUDIO_LOUT
POWER_GND
4
3
2
PCBF40
CMG130
1
H
H-18
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