AOC envision L37W431 Service Manual page 43

37'' LCD TV
VDDMQ
C379 C381 C383
C380 C382 C384
0.1uF 0.1uF
0.1uF 0.1uF 0.1uF 0.1uF
VDDMQ
C387 C388 C389 C390 C391 C392
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
VDDMQ
SVP-EX52_256
U302A
5 MD[0..31]
MD0 73
MD0
MD1 75
MD1
MD2 76
MD2
MD3 78
MD3
MD4 84
MD4
MD5 86
MD5
MD6 88
MD6
MD7 90
MD7
MD8 91
MD8
MD9 93
MD9
MD10 94
MD10
MD11 96
MD11
MD12 102
MD12
MD13 104
MD13
MD14 106
MD14
MD15 108
MD15
MD16 148
MD16
MD17 150
MD17
MD18 152
MD18
MD19 154
MD19
MD20 160
MD20
MD21 162
MD21
MD22 163
MD22
MD23 165
MD23
MD24 166
MD24
MD25 168
MD25
MD26 170
MD26
MD27 172
MD27
MD28 178
MD28
MD29 180
MD29
MD30 181
MD30
MD31 183
MD31
DQM0 79
DQM0
DQM1 97
DQM1
DQM2 159
DQM2
DQM3 177
DQM3
5 DQM[0..3]
5 DQS[0..3]
5 MA[0..11]
6 MCU_A[0..7]
R330
C385 C386
4.7K
0.1uF 0.1uF
2,6,9 SD1
3V_SCL
7,8 3V_SCL
2,6,9 SC1
C393 C394 VDDMQ
0.1uF 0.1uF
C396
0.1uF
SVP-EX [256]
(1 of 2)
RN300 RN313
100
100
3V3S
6 MCU_A[0..7]
R331
4.7K
U303
4 3
D2 G2
5 2 3V_SDA
3V_SDA 7,8
S1 S2
6 1
D1 G1
NDC7002N
6 A[8..14]
5V VDDM
MPUGPIO1
R332 10K
MPUGPIO1
CS 6
MPUGPIO4
R336
R335
EX-PWM 10K 1/16W
10 1/16W
17
P_17
18
FLD/IO
16 SDA_EX
SDA
14 SCL_EX
SCL
RN311 100
203 1 8 AD7
A_D7
202 2 7 AD6
A_D6
201 3 6 AD5
A_D5
200 4 5 AD4
A_D4
197 1 8 AD3
A_D3
196 2 7 AD2
A_D2
195 3 6 AD1
A_D1
194 4 5 AD0
A_D0
RN312 100
216
RD# RD_EMU 6
217
WR# WR_EMU 6
218
ALE ALE_EMU 6
219 MPUCS0N
MPUCS0N
220
INT# 6
INT#
15
V5SF
12
TESTMODE
R339 470 1/16W
13
RESET RST_H
147
BA1 BA1 5
145
BA0 BA0 5
144
CLKE CLKE 5
142 R340
WE# WE# 5
1K 1/16W
MVREF 5
MPUCS0N
CAS# 5
MPUGPIO4
RAS# 5
HI
CS0# 5
MPU has
MCLK0# 5
Data/Address
MCLK0 5
multiplex
I2C Address:
VD3_3
7E/7F
43
U300
AS7C256A Extra SRAM
A[0..7]
A0 10 11 AD0
A0 D0
A1 9 12 AD1
A1 D1
A2 8 13 AD2
A2 D2
A3 7 15 AD3
A3 D3
A4 6 16 AD4
A4 D4
A5 5 17 AD5
A5 D5
A6 4 18 AD6
A6 D6
A7 3 19 AD7
A7 D7
A8 25
A8
A9 24
A9
A10 21
A10
A11 23
A11
A12 2
A12
A13 26
A13
A14 1 28
A14 VCC
A[8..14] 14
GND
20
6 CS1 /CE
22
6 RD# /OE
27
6 WR# /WE
5V
BL_ADJ
R346
Q300 1K 1/16W
PMBS3904 C397
+
C398
22uF/16V
0.1uF
R337 68 1/16W
3V_SDA
3V_SCL
R338 68
1/16W
C399 C3001
68pF 68pF
AD[0..7] 6
5V_SB
*CS1N is not a input or output pin
CS1N=0: SVP-EX CPU acces s enabled
0.1uF CS1N=1:SVP-EX CPU acces s dis abled
C3002
Connector for Amtel AT76C112 Video Output
6
INPUT
MPUGPIO1 MPUGPIO0 MPUCS0N
0 0 0
0 1 1
1 0 1
1 1 1
LO
MPU has
separated
AOC (Top Victory) Electronics Co., Ltd.
Address/Data
Title
I2C Address:
7C/7D
Not
Size Document Number
Populated B
Date: Thursday , September 14, 2006
Envision L37W431
AD[0..7]
AD[0..7] 6
5V-1_CPU
C395
0.1uF
2,6
3V_SDA 7,8
3V_SCL 7,8
OUTPUT
*CS1N MPUGPIO2 MPUGPIO3
1 1 1
0 1 1
1 0 1
1 1 0
SVP-EX256_1
Rev
B
715T1814-1
11
Sheet 3 of