![background image](http://html1.mh-extra.com/html/viewsonic/vg920-1/vg920-1_service-manual_1021240076.webp)
R605
NC
AVDD
R604 0 1/16W
GND
GND
ROUT+
ROUT-
LOUT+
LOUT-
LOUT-
ROUT-
LOUT+
ROUT+
/SD
VOLUME
MUTE/MODE
GND
C604
0.001uF
C631
0.001uF
C633 NC
C632
0.001uF
C634 NC
C635
NC
C636
NC
C612
0.001uF
C615
0.001uF
C638
NC
C639
NC
C640
NC
GND
C641
NC
GND
/SD
1
RINN
2
RINP
3
V2P5
4
LINP
5
BS
LN
13
P
V
CCL
14
P
V
CCL
15
LO
U
T
N
16
LO
U
T
N
17
PG
N
G
L
18
PG
N
G
L
19
LO
U
T
P
20
LO
U
T
P
21
P
V
CCL
22
P
V
CCL
23
BS
LP
24
VCLAMPL
25
AGND
26
ROSC
27
COSC
28
AVdd
29
AGND
30
VAROUTL/NC
31
VAROUTR/NC
32
AVcc
33
MUTE
34
MODE_OUT/NC
35
VCLAMPR
36
BS
R
P
37
P
V
CCR
38
P
V
CCR
39
RO
UTP
40
RO
UTP
41
PG
N
G
R
42
PG
N
G
R
43
RO
UTN
44
RO
UTN
45
P
V
CCR
46
P
V
CCR
47
BS
R
N
48
LINN
6
AVddREF
7
VREF
8
VARDIFF/AGND
9
VARMAX/AGND
10
VOLUME
11
REFGND
12
U601
TPA3003D2PFBR
C606
0.1uF/16V
C618
0.1uF/16V
C627
0.1uF/16V
GND
GND
FB608
600 OHM
C628
0.1uF/16V
C621
0.1uF/16V
C607
0.01uF
C626
0.01uF
C629
0.01uF
C613 1uF/16V
C614 1uF/16V
C616 1uF/16V
C619 1uF/16V
C623 1uF/16V
5
4
1
3
2
CN601
PHONEJACK
C624
1uF/16V
C610
1uF/16V
FB605
600 OHM
C643
NC
C630 0.001uF
C642
NC
C602 0.001uF
C644
NC
C645
NC
+
C605
10uF/50V
+
C625
10uF/50V
+
C617
10uF/50V
GND
FB602
600 OHM
FB604
600 OHM
FB610
600 OHM
GND
GND
FB612
600 OHM
FB607
600 OHM
5V
5V
R606
NC
R601
10K 1/16W
LIN
GND
AVDDRef
AVDDRef
GND
RIN
R609
10K 1/16W
R610
10K 1/16W
R612
39K 1/16W
R611
39K 1/16W
FB606
600 OHM
C611 1uF/16V
GND
GND
GND
GND
GND
+12V
+12V
GND
+12V
+12V
AVDD
C609
0.1uF/16V
C603
0.001uF
FB609
600 OHM
FB601
600 OHM
C608
0.01uF
+
C601
10uF/50V
2
4
6
8
10
12
14
1
3
5
7
9
11
13
CN602
CONN
R602
0 1/16W
+
C620
470uF/16V
R603
NC
1
2
3
4
CN603
CONN
R608
1K 1/16W
C622
220pF
R607
120K 1/16W
/SD
LOUT+
LOUT-
MUTE/MODE
ROUT-
ROUT+
VOLUME
GND
Model
Title
Date
Rev:
ViewSonic Corporation
AUDIO
73
ViewSonic
Corporation
Co
nfidential
-
Do
Not
Copy
VG920-1
Summary of Contents for VG920-1
Page 24: ...Power Block Function 21 ViewSonic Corporation Confidential Do Not Copy VG920 1...
Page 40: ...37 ViewSonic Corporation Confidential Do Not Copy VG920 1...
Page 43: ...5 7 Packing For Shipping 40 ViewSonic Corporation Confidential Do Not Copy VG920 1...
Page 52: ...6 Trouble Shooting Flow Chart 49 ViewSonic Corporation Confidential Do Not Copy VG920 1...
Page 79: ...11 2 MAIN BOARD PCB BUTTON VIEW 76 ViewSonic Corporation Confidential Do Not Copy VG920 1...
Page 81: ...11 5 POWER PCB TOP VIEW 78 ViewSonic Corporation Confidential Do Not Copy VG920 1...
Page 82: ...11 6 POWER PCB BUTTON VIEW 79 ViewSonic Corporation Confidential Do Not Copy VG920 1...
Page 83: ...11 7 AUDIO PCB TOP VIEW 80 ViewSonic Corporation Confidential Do Not Copy VG920 1...
Page 84: ...11 8 AUDIO PCB BUTTON VIEW 81 ViewSonic Corporation Confidential Do Not Copy VG920 1...