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6-7
5
Main Board Circuit Diagram: AUDIO I/F
D
R366
R366
R365
R365
AL
R364
R364
10K 1%
10K 1%
C364
C364
1500pF
1500pF
R372
R372
C
AR
R370
R370
10K 1%
10K 1%
R371
R371
C366
C366
1500pF
1500pF
+12V
R361
R361
B
A
5
4
01UAAMP6H-201
30K 1%
30K 1%
6CH Audio AMP for single input
C365
C365
100pF
100pF
5.1K 1%
5.1K 1%
2
CE363
CE363
10uF16V
10uF16V
R368
R368
470
470
1
C362
C362
0.1uF
0.1uF
REFA
3
U361A
U361A
LM4558
LM4558
R367
R367
R369
R369
470
470
10K
10K
A_MUTE
Q361
Q361
C631
C631
0.1uF
0.1uF
+12VA
2N3904
2N3904
+12VA
Audio Ampifier Circuit.
30K 1%
30K 1%
C367
C367
100pF
100pF
5.1K 1%
5.1K 1%
6
470
470
CE364
CE364
10uF16V
10uF16V
R374
R374
7
REFA
5
U361B
U361B
LM4558
LM4558
R373
R373
10K
10K
A_MUTE
R375
R375
470
470
Q362
Q362
+12VA
2N3904
2N3904
Audio Ampifier Circuit.
+12VA
100
100
+12VA
R362
R362
36K
36K
REFA
CE362
CE362
+
+
R363
R363
+
+
CE361
CE361
10K
10K
100uF25V
100uF25V
100uF16V
100uF16V
POWER Ciucuit of OP AMP
4
3
P441
P441
RCA/AUDIO OUT
RCA/AUDIO OUT
1
2
CVBS_O
3
COAXIAL
4
LCH
5
RCH
6
01UAUIFTN-401
C452 0.1uF
C452 0.1uF
SPDIF
R451
R451
100
100
LCH
R452
R452
100
100
C451
C451
100pF
100pF
Output Interface Circiut for SPDIF Coaxial.
01UMAMPMU-201
Range
:541-560
RCH
M5V
Q544
Q544
9012
9012
R548
R548
4.7K
4.7K
R549
R549
R547
R547
3.3K
3.3K
AUDIO_MUTE
R545
R545
4.7K
4.7K
Q543
Q543
2N3904
2N3904
R546
R546
22K
22K
POP Noise Cancel Circuit For Power On and Power Off.
3
6-7
2
1
01UAUIFTN-501
Range
:441-450
COAXIAL
01USPDIFT-101
Range
:451-460
AR
AR
AL
AL
AUDIO_MUTE
AUDIO_MUTE 4
SPDIF
SPDIF
AUDIO I/F
A_MUTE
CVBS_O
CVBS_O
7
VIDEO I/F
R550
R550
22K
22K
4.7K
4.7K
Q545
Q545
9012
9012
CE541
CE541
+
+
220uF16V
220uF16V
2
1
D
C
4
4
4
B
A
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