Service manual

Model
Title
Date Rev:
ViewSonic Corporation
AUDIO
69
PC
AUDIO-IN
R_LINE
Z0415
VOLU
SPKOUTR
SPKOUTL
L_LINE LIN_PC
Z0416 RIN_PC
VOLU
MUTE
STANDBY
VOLUME4
MUTE4
STANDBY4
+5V
AGND
+12V
AGND
AGND
AGND
AGND
AGND
AGND
AGND
+5V
AGND
AGND
+5V
GND_A
GND_A
VCC12
C78
220pF/6
C74
330uF/16V
C77 0.47uF/6
C72
1uF/8
L25
BEAD 120/1206
R92 10K/6
R98
20K/6
C80
330uF/16V
R97 100/6
R101 BEAD 120/0805
R94
10K/6
R105 10K/6
R99
20K/6
R103 10K/6
Q9
DTC144EUA
2
3
1
C75 0.47uF/6
U6
TDA7496L
4
9
5
6
7
17
14
12
11
10
13
15
16
1
2
3
19
20
18
INL
INR VAROUT_L
VOLUME
VAROUR_R
OUTL
OUTRMUTE
STBY
SVR
GND
VS VS
GND GND GND GND GND GND
C76
330uF/16V
R96 100/6
C73
0.1uF/6
L22 BEAD/1206
C82 330uF/16V
R102 10K/6
Q8
DTC144EUA
2
3
1
R100 BEAD 120/0805
R91 1K/6
L27 BEAD/1206
CN7
4606-04-04P-R
1
2
3
4
L24 BEAD 120/0805
1
2
R95 2K/6
R93 6K8/6
C79
220pF/6
Q7
MMBT3904
2
3
1
L26 BEAD/1206
R104 10K/6
C81 0.1uF/8
J1
ZD005D100
2
3
4
5
1
L23 BEAD 120/0805
1
2
ViewSonic Corporation VA2012w-1_VA2012wb-1 Confidential - Do Not Copy