ViewSonic N2750w-1 Service Manual page 21

6.10 Audio Phone Jack
5 AUDIO_L_AMP
5 AUDIO_R_AMP
R404 R405
NC
AGND
11 AMP_STBY
P123
1
2
3
4
AUDIO_L_AMP
5
6
AUDIO_R_AMP
7
AMP_STBY
8
MODE
9
CON9
AGND
ViewSonic Corporation
I130
AGND
C495 NC
R398 NC
5
L_INP
C496 NC
6
L_INN
C497 NC
4
V2P5
C501 NC
AGND
2
R_INN
C502 NC
3
R_INP
R400 NC
11
VOL
R401 NC
7
AVDDref
R402 NC
NC
R403 NC
8
Vref
9
VARDIFF
10
VARMAX
R406
NC NC
12
REFGND
26
AGND
C512 NC
28
COSC
R408 NC
27
ROSC
R409 NC
1
SDZ
30
AGND
AGND
VCCV
SCL
SDA
R513 C520 C521 C522
4.7K R507 1u/16V 0603 NC NC
4.7K
R508
MODE
1K
Q109
2
1
3
MMBT3904
AUDIO_R_AMP R505 0R
AUDIO_L_AMP R506 0R
20
Confidential - Do Not Copy N2750w-1
C491 C492
C493 + L174
NC NC NC NC
AGND
C494 NC
13
BSLN
14
PVCCL
15
PVCCL AMPPVCC
16
L_OUTN
17
L_OUTN
C498 C499
NC NC R399
NC
18
PGNDL
19
PGNDL
NC NC C505
C503 C504 NC
20
L_OUTP
21
L_OUTP
22
AMPPVCC
PVCCL
23
PVCCL
C507 NC
24
BSLP
48 C508 NC
BSRN
47
PVCCR
46
AMPPVCC
PVCCR
45
R_OUTN
44
R_OUTN
C509 C510
NC NC R407
43 NC
PGNDR
42
PGNDR
NC NC C515
C513 C514 NC
41
R_OUTP
40
R_OUTP
39
PVCCR AMPPVCC
38
PVCCR
C517 NC
37
BSRP
29
AVDD
C518
10uf/50V
R411 68K
C519 AGND
I131
1u/16V 0603 R412 10K
8 6
IN1 VDD
C523
470n
1
BYPASS
7
VO1
C525 AGND
4
IN2
5
VO2
1u/16V 0603 R413 10K
3 2
STANDBY GND
TPA6110A2
R416 68K
+12V
L175 NC
C500
NC
C506
L176 NC
NC P116
SP_L_OUTN
1
SP_L_OUTP
2
SP_R_OUTN
3
SP_R_OUTP
4
NC
L177 NC
C511
NC
C516
NC
L178 NC
VCCV
R442
0R
R410
10K
P117
1
C524
2
3
47uF/16V
4
C526
5
47uF/16V
PHONE_JACK