Service manual

SPKLO-
SPKRO-
SPKRO+
SPKLO+
SPKRO+
SPKRO-
SPKLO-
SPKLO+
RIN
LIN
right_in
left_in
RIN
LIN
SD
SD
12V
GND
AGND
AGND
AGND AGND
AGND
AGND
AGND
AGND AGND AGND AGND
AGND
AGND
+12V_amp
+12V_amp
+12V_amp
+12V_amp
+12V_amp
+12V_amp
+12V_amp
12V
GND
C30 1u/8
C33 1u/8
C28 1u/8
R44 4.7K/6
R4510K/6/NS
U1
TPA3003D2
1
2
3
4
5
6
7
8
9
10
11
12
13 14 15 16 17 18 19 20 21 22 23 24
25
26
28
27
29
30
31
32
33
34
35
36
37 38 39 40 41 42 43 44 45 46 47 48
SDZ
RINN
RINP
V2P5
LINP
LINN
AVDDREF
VREF
VARDIFF
VARMAX
VOL
AGND
BSLN PVCCL PVCCL LOUTN LOUTN PGNDL PGNDL LOUTP LOUTP PVCCL PVCCL BSLP
VCLAMPL
AGND
COSC
ROSC
AVDD
AGND
VAROUTL
VAROUTR
AVCC
MODE
MODE_OUT
VCLAMPR
BSRP
PVCCR PVCCR
ROUTP ROUTP
PGNDR PGNDR
ROUTN ROUTN
PVCCR PVCCR
BSRN
L5
CX000800000/1206
Q6
MMBT3904L
3
2
1
R43 10K/6
C42 0.1u/6
L9
CX000800000/1206
L3 CX000800000/1206
C38 0.01u/6
C21
220P/6
C39 0.01u/6
C44 1nF/6 C43 1nF/6
C15
22u/25V
C40
22u/25V
L8 CX000800000/1206
L10
CX000800000/1206
R40 10K/6
C32
22u/25V
R39 100K/6
R38 100K/6
R42 120K/6
C35 220P/6
C34 0.1u/6
C36 1u/8
C25 0.01u/6
C18 0.1u/6
C24 0.01u/6
C16 1nF/6
CN3
ZD005D100
2
3
4
5
1
L6
CX000800000/1206
C20
220P/6
C22
220P/6
C17 1nF/6
C37 0.1u/6
C27 1u/8
C23
220P/6
R41 10K/6
L4 CX000800000/1206
L7
CX000800000/1206
C19 0.1u/6
C31
0.1u/6
CN4
4501-04-04P-R
1
2
3
4
C26 1u/8
C29 1u/8
C41 0.1u/6
Volume_Adj5
Mute4,5
Audio
ViewSonic Corporation
32
Confidential – Do Not Copy
VG700b-2