AOC Envision L32W465, Руководство по обслуживанию

Страница: 55 / 91

32
’’ LCD TV Envision L32W465
55
9.3 Audio Board
R 2 0
2 .2 K£ [ 1 /1 0 W
O UT 2A
R 5 8 1 0 K£ [ 1 /1 0 W
R 3
2 .2 K£ [ 1 /1 0 W
R 1 3
N C
Y1
C 1 9
0 .1 u F
Y1B
L O U T
C 3 2
0 .0 0 1 u F
Q 5
2 SC 1 7 4 0 S
+
C 2 0
2 .2 u F/1 6 V
AU D IO PO W ER SU PPL Y IN PU T
SR S_ H
R 6 1 N C
R
3
7
2
.7
K£
[ 1
/1
0
W
L 1 1 5 u H
C 5 3 0 .0 3 3 u F
R 3 4 0 £ [ 1 /1 0 W
C7
0
.1
u
F
+
C 6 4 1 0 u F/1 6 V
C
3
9
0
.1
u
F
R
2
9
2
2
£
[ 1
/4
W
MU TE_ H
R
5
7
2
2
K£
[ 1
/1
0
W
C
1
4
470pF
R 1
8 .2 K£ [ 1 /1 0 W
G N D
C 6
0 .0 0 1 u F
P5 V
C
3
3
390pF
R
5
6
1
0
K£
[ 1
/1
0
W
Y2B
+
C 5 2
5 6 0 u F/5 0 V
+
C
1
3
1
0
u
F
/1
6
V
R 4
1 1 K£ [ 1 /1 0 W
D 1 2 VA
R
3
2
1
K£
[ 1
/1
0
W
+
2
0
V
C 3 1
0 .2 2 u F
+
C
3
4
1
0
0
0
u
F
/6
.3
V
U 5 N J M2 1 9 9
1
2
3
4
5
6
7 8
9
1 0
1 1
1 2
1 3
1 4
FIL 1
FIL 2
FIL 3
VO L 2
VO L 1
Vr e fIN
Vr e f V+
G N D
MO D E
R O U T
L O U T
R IN
L IN
+2 0 V
SR S_ H
+
C 6 7 1 0 0 u F/3 5 V
+
C 6 2 1 0 u F/1 6 V
O UT 1A
C
2
2
0
.1
u
F
R 6 0 N C
+2 0 V
O UT 1B
C 5
0 .2 2 u F
R 2 8
4 7 0 K£ [ 1 /1 0 W
7 1 5 T1 9 6 4 - D
L C D 2 7 AU D IO
A3
1 1 Th u r s d a y , Ma y 1 8 , 2 0 0 6
Title
Siz e D o c u me n t N u mb e r R e v
D a te : Sh e e t o f
R
2
5
1
K£
[ 1
/1
0
W
R 2 2 1 0 0 K£ [ 1 /1 0 W
R
4
1
3
.3
K£
[ 1
/1
0
W
R 3 9
N C
Y1B
O
U
T
1
A
C
2
3
330pF
R O U T
O UT 2B
+2 0 V
U 1
TP2 0 5 0
3 2
2 0
3 6
3 5
3 4
3 3
2 2
2 1
3 1
1 8
3 0
2 8
2 6
2 7
2 5
2 4
2 3
2 9
1 5
1 7
1 6
1 4
1 2
1 1
1 0
1 3
1
1 9
7
8
9
6
4
3
2
5
IN 2 B
G N D R EG
VC C SIG N
VC C SIG N
VSS
VSS
VD D
VD D
IN 2 A
N C
IN 1 B
TH _ W AR
TR ISTATE
FAU L T
PW R D N
C O N FIG
IBIAS
IN 1 A
VC C 1 A
O U T1 A
O U T1 A
G N D 1 A
VC C 1 B
O U T1 B
O U T1 B
G N D 1 B
G N D SU B
G N D C L EAN
VC C 2 A
O U T2 A
O U T2 A
G N D 2 A
VC C 2 B
O U T2 B
O U T2 B
G N D 2 B
R
1
1
2
.2
K£
[ 1
/1
0
W
R 6
1 1 K£ [ 1 /1 0 W
TURN OFF MUTE
C 1 1
0 .2 2 u F
C 5 5 0 .4 7 u F
C
2
7
0
.1
u
F
R
5
4
NC
L O U T
+
C 1 5
2 .2 u F/1 6 V
C 4
0 .2 2 u F
FB7
1 2 0 O H M
1 2
R 2 7
4 7 0 K£ [ 1 /1 0 W
MUT E
R O U T
C3
330pF
+
C 5 8 1 0 u F/1 6 V
R 2 3
1 1 K£ [ 1 /1 0 W
+
C 6 3 1 0 u F/1 6 V
C
1
2
0
.0
0
1
u
F
R
1
2
1
K£
[ 1
/1
0
W
R2
1
0
K£
[ 1
/1
0
W
C 5 4 0 .0 1 u F
U 2
TC 2 0 0 1
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4 1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
BIASC AP
FD BKP2
D C MP
FD BKN 2
VPW R
FD BKP1
FD BKN 1
H MU TE
Y1
Y1 B
Y2 B
Y2
N C
O C D 1 R EF
O C D 0
VL O
O VR L D B
VH I
G N D
V5
VP1
IN 1
MU TE
BBM2
BBM1
VP2
IN 2
L 2 1 5 u H
L IN
+
C
6
0
1
u
F
/5
0
V
R
3
6
NC
R
3
0
1
5
£
[ 1
W
R 2 4
2 0 K£ [ 1 /1 0 W
C2
0
.1
u
F
Y2B
C
1
6
470pF
L 9 1 0 0 u H
R
1
0
1
5
£
[ 1
W
R 1 9
N C
R
1
4
4
7
0
K£
[ 1
/1
0
W
D 1 2 V
C 5 6 0 .3 3 u F/1 6 V
+
C 6 6
2 2 u F/1 6 V
FB1
3 0 0 O H M
1 2
C
3
5
0
.1
u
F
R
3
8
2
.7
K£
[ 1
/1
0
W
L O U T
D 1 2 V
R
1
8
1
K£
[ 1
/1
0
W
Y1
FB3
3 0 0 O H M
1 2
L 3 1 5 u H
R IN
P5 V
+
C 2 8 1 0 u F/1 6 V
+2 0 V
Y2
+
C
3
6
1
0
0
0
u
F
/6
.3
V
C
1
7
0
.1
u
F
R 1 7
1 1 K£ [ 1 /1 0 W
R 2 6
N C
U 3 BA0 5 FP
1
2
3
VC C
G
N
D
O U T
VR 1 N C
ZD 1
H Z6 C 2 - E
1 2
G N D
R 3 1
1 1 K£ [ 1 /1 0 W
R IN
C
3
8
0
.1
u
F
C
1
8
0
.1
u
F
C N 6
AU D IO PS I/P
1
2
3
4
C N 7
SIG .& C TL I/P
1
2
3
4
5
6
C
2
9
0
.1
u
F
FB4
3 0 0 O H M
1 2
R IN
R 2 1 2 .2 K£ [ 1 /1 0 W
R 7
1 0 K£ [ 1 /1 0 W
R O U T
MU TE
C 1
0 .1 u F
C N 3
R IG H T
2
1
C
6
5
0
.1
u
F
A5 V
+2 0 V
A5 V
L IN
Y2
R 8
2 2 K£ [ 1 /1 0 W
C 9
0 .1 u F
R 4 0
1 0 K£ [ 1 /1 0 W
O
U
T
1
B
C
2
1
390pF
FB6 1 2 0 O H M
1 2
+
C
3
7
1
0
0
u
F
/1
6
V
C 2 4
0 .2 2 u F
C N 1
L EFT
1
2
3
C
2
6
0
.0
0
1
u
F
R
4
2
2
.2
K£
[ 1
/1
0
W
FB2
3 0 0 O H M
1 2
PO W ER DO W N MUT E ( VCC = 20V )
MUT E O N : 17.7V MUT E O F F : 17.8V
D 1 2 V
O
U
T
2
A
O
U
T
2
B
L 5
1 0 0 u H
R 1 6 2 0 K£ [ 1 /1 0 W
L 4 1 5 u H
L 6
1 0 0 u H
C 2 5
0 .2 2 u F
C
1
0
0
.1
u
F
Q 2
2 SC 1 7 4 0 S
L IN
R9
2
2
£
[ 1
/4
W
+
C 5 7 1 u F/5 0 V
R 3 3
N C
+
C 6 1 1 0 u F/1 6 V
R 5
4 7 0 K£ [ 1 /1 0 W
C
3
0
0
.1
u
F
+
C 5 9
1 0 0 u F/2 5 V
R 1 5 1 0 0 K£ [ 1 /1 0 W
C8
0
.1
u
F
FB5
3 0 0 O H M
1 2
SIG N AL & C O N TR O L IN PU T