AOC A20S431, Service Manual

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AOC A20S431
65
C 6 8 9 N C
C 6 3 0
1 u F/1 6 V
+
C 6 0 4
4 7 0 u F/1 6 V
C 6 2 0
0 .1 u F/1 6 V
R O U T-
C 6 3 4
1 u F/1 6 V
R 6 4 3
1 K£ [ 1 /1 6 W
C 6 3 2
0 .1 u F
L O U T+
FB6 0 1
3 0 0 O H M
R 6 6 1
1 2 0 K£ [ 1 /1 6 W
C 6 1 0 1 u F/1 6 V
U 6 0 7
TPA6 1 1 0 A2 D G N R
1
2
3
4 5
6
7
8
BYP
G N D
SD
IN 2 VO 2
VD D
VO 1
IN 1
TO POWER PAD
+
C 6 9 6
2 2 0 u F/1 6 V
C 6 8 1
0 .1 u F
PG N D
AU D IO _ MO D E
PG N D
C 6 9 3
1 u F/1 6 V
C 6 8 3
0 .0 1 u F
1 2 VT
L O U T-
C 6 2 5
0 .1 u F
R 6 6 6
1 0 K£ [ 1 /1 6 W
G N D
R 6 4 5
1 k
R 6 6 3
1 0 K£ [ 1 /1 6 W
1 2 VA C N 6 0 1
L SPEAKER 1
2
3
R 6 6 5
1 0 K£ [ 1 /1 6 W
C 6 2 8
0 .1 u
+
C 6 0 3
4 7 0 u F/1 6 V
R 6 5 2
2 7 K£ [ 1 /1 6 W
+
C 6 2 4
1 0 u F/2 5 V
PH O N E_ R
PH O N E_ L
C 6 8 8 N C
PG N D
C 6 0 8 1 u F/1 6 V
1 2 VA
R 6 6 0
N C
MO D E
R 6 7 1 N C
R 6 5 7 0 £ [ 1 /8 W
1 2 VA
R _ O U T
C N 6 0 3
5 PIN /2 .0 mm
1
2
3
4
5
PG N D
C 6 8 7
0 .0 0 1 u F
R O U T+
C 6 7 9
2 2 0 p F
C 6 2 9
0 .1 u F
C 6 3 1
0 .1 u F
PG N D
AMP_ MU TE
AG N D
R 6 6 2
1 0 K£ [ 1 /1 6 W
C 6 0 2
0 .1 u F
L _ O U T
L O U T-
U 6 0 6
TPA3 0 0 2 D 2
1
2
3
4
5
13 14 15 16 17 18 19 20 21 22 23 24
2 5
2 6
2 7
2 8
2 9
3 0
3 1
3 2
3 3
3 4
3 5
3 6
37 38 39 40 41 42 43 44 45 46 47 48
6
7
8
9
1 0
1 1
1 2
/SD
R IN N
R IN P
V2 P5
L IN P
BSL
N
PVC
C
L
PVC
C
L
L
O
U
T
N
L
O
U
T
N
PG
N
G
L
PG
N
G
L
L
O
U
T
P
L
O
U
T
P
PVC
C
L
PVC
C
L
BSL
P
VC L AMPL
AG N D
R O SC
C O SC
AVd d
AG N D
VAR O U TL /N C
VAR O U TR /N C
AVc c
MU TE
MO D E_ O U T/N C
VC L AMPR
BSR
P
PVC
C
R
PVC
C
R
R
O
U
T
P
R
O
U
T
P
PG
N
G
R
PG
N
G
R
R
O
U
T
N
R
O
U
T
N
PVC
C
R
PVC
C
R
BSR
N
L IN N
AVd d R EF
VR EF
VAR D IFF/AG N D
VAR MAX/AG N D
VO L U ME
R EFG N D
R 6 5 9
1 2 0 K£ [ 1 /1 6 W
Low mute
High aitve
G N D
R O U T+
R 6 5 6 0 £ [ 1 /8 W
R 6 5 5 0 £ [ 1 /8 W
AG N D
WL_POWER :
High : Wireless phone ON
Low : OFF
R 6 6 9
1 0 K£ [ 1 /1 6 W
C N 6 0 2
R SPEAKER 1
2
AMP_ STBY
R 6 7 0
1 0 K£ [ 1 /1 6 W
R 6 5 4 0
R 6 6 4
1 0 K£ [ 1 /1 6 W
AG N D
L 6 0 4
3 0 0 O H M
C 6 9 4
0 .4 7 u F/1 6 V
C 6 8 2
0 .1 u F
1 2 VA
C 6 2 2
0 .0 0 1 u F
Use CLASS-D don't use D702
C 6 9 5
1 u F/1 6 V
R 6 4 8 0 £ [ 1 /1 6 W
C 6 2 7
0 .1 u F
C 6 9 1
1 n
+
C 6 8 4
1 0 u F/2 5 V
AG N D
L O U T+
PG N D
R 6 4 7
1 k
1 2 VA
+ C 6 9 2
1 0 u F/2 5 V
AU D IO AMP
B
715V1619-C
C u s to m
1 4 1 4 Mo n d a y , Se p te mb e r 1 2 , 2 0 0 5
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
1 2 VA
R O U T-
C 6 8 6
0 .0 0 1 u F
AG N D
C 6 2 6
0 .1 u F
Low - Shut Down
High -
Operational
(5V)
PG N D
AG N D
C 6 1 1
1 n
L 6 0 2
3 0 0 O H M
AG N D
R 6 6 8
1 0 K£ [ 1 /1 6 W
R 6 5 0
4 .7 K£ [ 1 /1 6 W
L O U T+
EMI
R O U T+
R O U T-
R 6 5 8
1 5 K£ [ 1 /1 6 W
C 6 9 8 N C
R 6 6 7
1 0 K£ [ 1 /1 6 W
C 6 2 1
0 .0 0 1 u F
R 6 4 4
1 k
EMI
C 6 0 5 1 u F/1 6 V
AG N D
AG N D
Mo d e _ o u t
R 6 4 6
1 k
PH O N E_ L
AUDIO MODE: (Low< 2V)
High -Class-D Disable & Mode_out = Low
Low - Class-D Enable & Mode_out = High
+
C 6 9 7
2 2 0 u F/1 6 V
C 6 0 9 1 u F/1 6 V
AVD D
MO D E
R 6 5 1
4 .7 K£ [ 1 /1 6 W
C 6 8 0
0 .0 1 u F
R/L SWAP
L101-104 USE 71L56G-301-EA
PG N D
AVD D
AVD D
PH O N E_ R
C 6 8 5
N C
L O U T-
C 6 9 0 N C
PG N D
R 6 5 3
1 0 0 K£ [ 1 /1 6 W
C 6 0 6 1 u F/1 6 V
1 2 VA
L 6 0 1
3 0 0 O H M
L 6 0 3
3 0 0 O H M
L101-104 USE 71L56G-301-EA
C 6 2 3
N C