ViewSonic N3260w-1NT Service Manual page 36

32” 37” 40” lcd tv
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9.4 MISC
U 1 8
A0
RA5
1
8
4 7 R
S_A0
21
A0
A1
S_A1
2
7
23
A1
A2
S_A2
3
6
24
A2
A3
4
5
S_A3
25
A3
A4
RA7
4 7 R
S_A4
1
8
26
A4
A5
S_A5
2
7
1
A5
A6
S_A6
3
6
2
A6
A7
S_A7
4
5
3
A7
A8
RA9
4 7 R
S_A8
1
8
4
A8
A9
S_A9
2
7
5
A9
A10
S_A10
3
6
6
A10
A11
S_A11
4
5
7
A11
A12
RA10
1
8
4 7 R
S_A12
8
A12
A13
S_A13
2
7
9
A13
A14
S_A14
3
6
10
A14
4
5
R D
R106
0
S _ O E ~
22
/OE
W R _ E M
R107
0
S _ W R ~
27
/ W E
C S 1
20
7
C S 1
/CE
C Y 7 C 1 9 9 C-12VC
C241
+
5 V - 1 _ C P U
1 0 u F _ N S
R128
2
22
O U T
MAX809LD_NS
(LM809)
U 2 3
M C U _ R S T
(SOT-23)
R S T # _
R160
7
R S T # _
RESET SAA7117A/SiI169/SiI9011....
ViewSonic Corporation
7,10
A [ 0 : 7]
11
S_AD0
RA6
4
5
4 7 R
AD0
D 0
S_AD1
AD1
12
3
6
D 1
S_AD2
AD2
13
2
7
D 2
15
S_AD3
1
8
AD3
D 3
S_AD4
RA8
4 7 R
AD4
16
4
5
D 4
S_AD5
AD5
17
3
6
D 5
S_AD6
AD6
18
2
7
D 6
S_AD7
AD7
19
1
8
D 7
7
A [ 8 : 18]
5 V - 1 _ C P U
28
VCC
C237
C238
100nF
14
10nF
G N D
G N D
G N D
G N D
7
W R _ E M
RESET MCU
S W 1
H D K 6 32A
K E Y _ O N
R124
R E M O T E _ P I C
R126
7
XXI
M C U _ R S T 7
7
D e t e c t _VGA
9 V A
9VA4052
FB67
P B Y 32_120 OHM
C246
C247
+
100uF
100nF
G N D
G N D
3V3_SB
R150
4.7K
R S T #
2 N 7 0 0 2 / S O T _ 1
R S T # 3,13,15
100_NS
S D A _5V
R155
22
7,11,16
S D A _5V
SCL_5V
R157
22
7,11,16
SCL_5V
J6
2 N 7 0 0 2 / S O T _ 1
C256
1
SCL_5V
+
S D A _5V
2
3
10uF
H E A D E R 3 _ N C
G N D
G N D
35
Confidential - Do Not Copy
U19
A [ 0 : 7]
A0
12
22
A0
C E #
A1
11
24
A1
O E #
A2
10
A2
A3
9
13
A3
Q 0
A4
8
14
A4
Q 1
A5
7
15
A5
Q 2
A6
6
17
A6
Q 3
A7
5
W29C040
18
A7
Q 4
19
Q 5
A [ 8 : 18]
20
Q 6
A8
27
21
A8
Q 7
A9
26
A9
A10
23
W27E040
32
A10
VCC
A11
25
A11
A12
R105
4
1
A12
VPP
A13
28
A13
A14
29
A14
A15
3
A15
A16
2
A16
A17
30
A17
A18
31
16
A18
G N D
W27E040 USED
A18
R 1 0 8
4 7 _ N S
W R _ E M
A18
R110
47
R111
47
5 V - 1 _ C P U
5V_SB
5V_SB
R118
R120
R121
5V_SB
10K
1 0 K _ N S
4.7K
U 2 2
P I C 1 6F505
47
2
13
R125
R B 5
R B 0
47
R127
3
12
R B 4
R B 1
R129
4
11
R B 3
R B 2
R130
47
5
10
R131
R C 5
R C 0
R132
47
R133
6
9
R C 4
R C 1
R 1 3 4
4 7 _ N C
7
8
R135
R C 3
R C 2
C E _ R E M O T E 14
R137
14
C E _ R E M O T E
22K
G N D
G N D
3 . 3 VC
3 . 3 VC
7
K E Y _ O N 1
R152
R153
Q 1 6
4.7K
4.7K
R156
22
SDA1
3
2
R158
22
S C L 1
3
2
R 1 5 9 2 2 _ N C
Q 1 8
R161
2 2 _ N C
C257
C258
3 . 3 VC
15pF
15pF
G N D
G N D
N3260w_N3760w_N4060w
-1NT
N3260wb_N3760wb
P S
P S 7
R D
A D [ 0 : 7]
A D [ 0 : 7] 7,10
AD0
AD1
AD2
AD3
5 V - 1 _ C P U
AD4
AD5
AD6
AD7
0 _ N S
W27E040 USED
C235
C236
100nF
22uF
G N D
When use W27E040,use R420 and
R421;R422 and R423 are Option.
When use W29C040,use R422 and
R423;R420 and R421are Option.
U 2 1
1
8
A0
VCC
2
7
A1
P A G E
3
6
A2
S C L
4
5
G N D
SDA
G N D
47
V G A _ I D 7
47
XXO 7
47
S B _ P W R 1
47
E E _ C H E C K
7
47
M C U _ C O N T R 7
D 4 3
47
1
2
L E D _ S B 7
1N4148
R569
100
H D M I _ I D 7
R E M O T E _ P I C
R140
0 _ N C
R628
6
5V_SB
U 2 5 B
8
9
K E Y _ O N
U 2 5 C
7 4 H C 1 2 6
G N D
SDA1 3 , 8 ,10,15
K E Y A
7
K E Y A
K E Y B
7
K E Y B
J5
K E Y _ O N
S C L 1 3 , 8 ,10,15
K E Y _ O N
P C _ S C L
1
P C _ SDA
I R
2
I R
3
7
L E D _ S B
R625
7
L E D _ G
8 2 0 _ N C
5V
H E A D E R 3 _ N C
G N D
PC I2C Debug
R D 7
5 V - 1 _ C P U
E _ P A G E 7
R119
100
S C L E 7
R122
SDAE 7
100
C242
C243
100pF
100pF
G N D
G N D
G N D
R E M O T E
R136
0 _ N S
7
R E M O T E
5V_SB
0 _ N S
5V_SB
3
2
U 2 5 A
7 4 H C 1 2 6
R504
5
G N D
7 4 H C 1 2 6
0
C699 1 0 0 n F _ N C
5V_SB
5 V - 1 _ C P U 5 V - 1 _ C P U
C700 1 0 0 n F _ N C
G N D
R148
C701 1 0 0 n F _ N C
R147
J4
15k
15k
1
2
3
4
5
6
7
8
9
10
C253
R626
C254
C255
+
330
15pF
10uF
100nF
G N D
G N D
G N D
G N D
I R
G N D

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