ViewSonic N2652w-1M Service Manual page 79

8.22. Audio RCA Output
AL
AL 3
AR
AR 3
12V
L211
VIDEO_OUT
VIDEO_OUT 3
GNDA
GNDA 3,5,8,19
12V
12V 3,5,8,19
C688 22U/50V
AUDIO_OUT2_L R429 100 L187
C689
1000P
C691 22U/50V
AUDIO_OUT2_R R430 100 L188
C692
1000P
GNDA
ViewSonic Corporation
OPA1V120 OP1VREF
ADD
R406 47K
R121/0805
R524
+ C669 + C665
47K
220U/16V
10U/50V
P108
R121/0603 AU2AVL
6
C690
1000P
R121/0603 AU2AVR
5
C693
1000P
AUDIO OUT RL
RCA JACK 1*2
76
N2652w-1M
Confidential - Do Not Copy
BYPASS AUDIO OUTPUT
R419 0 C679 10U/50V R420
AR
R426 0 C686 10U/50V R427
AL
C746 C747
NC NC
3
Q125 R496
NC NC(10K)
R525
2
NC
4
R497
R499
NC(10K)
D141 (NC)1K
(NC)5.6V
共
layo ut
TO ERAPHONE OUTPUT
MTK modify
R415 20K
C678
150P
10K R421 5.1K I139A
2
1
OP1VREF
3
C681 NJM4558 OPA
820P
OP1VREF OPA1V120
MTK modify
R424 20K
C685
150P
10K R428 5.1K I139B
6
7
OP1VREF
5
C687 NJM4558 OPA
820P
OP1VREF
OPA1V120
VCC
L199
NC(R121/0603)
拉到
C748
TP02
VIDEO_OUT
NC(100U/16V)
R498
NC(220)
AUDIO_OUT2_R
AUDIO_OUT2_L