AOC L42W781HS Service Manual page 40

42‟‟ lcd tv
Table of Contents

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42‟‟ LCD TV
2/16'07
johnny
D210
D212
NC
BAV99
3
3
5V_SB
D211
NC
CN202
3/21'07
R206
R207
johnny
5V
5V
NC
NC
6
6
FB203
RxD
11
1
11
1
7
7
1
2
12
2
12
2
150 OHM
8
8
VGA_HS
13
3
13
3
9
9
VGA_VS
14
4
14
4
10
10
15
5
15
5
C205
DB15
5V
C206
100pF
100pF
1/31'07
D220
NC
5V
5V
5V
3
D219
NC
D225
D223
BAV99
NC
3
3
3
3/21'07
johnny
R228
R229
FB206
U202
150 OHM
1
2
1A
1Y
3
4
2A
2Y
5
6
3A
3Y
9
8
4A
4Y
11
10
5A
5Y
13
12
6A
6Y
5V_SB
14
7
VCC
GND
FB208
600 OHM
74LVC14ADT
C211
0.1uF
R254 10K OHM 1/10W
FB211
600 OHM
U201
R259 10K OHM 1/10W
VGA_SDA
5
4
SDA
Vss
VGA_SCL
6
3
SCL
NC
7
2
VCLK
NC
8
1
Vcc
NC
C215
C216
C217
24LC21AT-I/SNG
NC
NC
0.1uF
I2C Address: 1010 000x
8-pin, 300mil DIP with socket
VGA_HS
VGA_VS
ZD201
ZD202
ZMM5V6
ZMM5V6
D206
1
33K OHM 1/10W
3
C223
2
VGA_VS
0.047uF
BAT54S
R277
1
D207
3
C227
2
VGA_HS
BAT54S
0.047uF
R286
47K OHM 1% 1/10W
3/21'07
johnny
VGA Input
U207
74HC4052D
TxD
R743 0 OHM 1/10W
13
12
X
X0
14
X1
RxD
R744
3
15
R335 0 OHM 1/10W
Y
X2
11
0 OHM 1/10W
X3
1
Y 0
5
Y 1
2
3/29'07
R336 0 OHM 1/10W
Y 2
johnny
4
Y 3
10
A
9
B
6
EN
7
VEE
16
VDD
FB215
600 OHM
+
C237
C238
10UF16V
0.1uF
ISP Switch
D216
D217
D218
BAV99
BAV99
BAV99
3
3
3
5V
5V
5V
FB202
30 OHM
R328 0 OHM 1/10W
1
2
VGA_RIN
5
FB204
30 OHM
R329 0 OHM 1/10W
1
2
VGA_GIN
5
FB205
30 OHM
R330 0 OHM 1/10W
1
2
VGA_BIN
5
TxD
C202
C204
NC
NC
3.3V_SB
5,8
PANPWR_ON
R238
NC
8
INVPRO
R241
22 OHM 1/10W
VGA_HSIN
5
REMOTE_3V
R242
NC
8
LVDS_PW
R243
22 OHM 1/10W
VGA_VSIN
5
FB209 150 OHM
D201
5V_SB
1
3
2
SY NC_DETECT
FB210
150 OHM
BAT54C
C212
C213
0.1uF
0.1uF
C214
0.1uF
SY NC_DETECT
Q201
1
BSN20
3.3V_SB
R201
TX
R283
D205
Detect_VGAVS
0 OHM 1/10W
RX
R284
LL4148
D
To mcu
R275
Q205
1
NC
G
ISP_SW
3.3V_SB
S
AUDIOSW2
Detect_VGAHS
Detect_VGAHS
C224
R278
D
To mcu
NC
Detect_VGAVS
0.47uF
Q207
1
G
NC
AUDIOSW1
Q208
SY NC_DETECT
PMBS3906
S
+
C228
47uF/16V
3.3V_SB
R308
NC
TX
5V_SCL
NMI
RX
5V_SDA
R316
1K OHM 1/10W
R306
NC
5V
5V_SB
R311
4.7K OHM 1/10W
ISP_SW
Q209
PMBS3904
R339
100 OHM 1/10W
2
DTV_SDA
R340
100 OHM 1/10W
2
DTV_SCL
R337
NC
2,4,5,7
5V_SDA
3V_SDA
2,4,5
3.3V_SB
R338
NC
3V_SCL
2,4,5
2,4,5,7
5V_SCL
2,4,5,7
5V_SCL
R208
3.3V_SB
NC
3/2'07
johnny
5V_SB
2/16'07
U212
johnny
1
8
A0
VCC
2
7
A1
WP
3
6
2,4,5,7
5V_SDA
A2
SCL
R214
R215
4
5
VSS SDA
4.7K OHM 1/10W
4.7K OHM 1/10W
NC
R223
100 OHM 1/10W
2,4,5
3V_SDA
R225
100 OHM 1/10W
2,4,5
3V_SCL
R230
100 OHM 1/10W
5
CX_INT#
R232
100 OHM 1/10W
2,5
SCART1_FS
KEY _AD
R233
100 OHM 1/10W
R234
NC
R331
2
TV_IRQ
R236
100 OHM 1/10W
22 OHM 1/10W
4
SCDT
R239
100 OHM 1/10W
2,5
SCART2_FS
1
2
FB207
300 OHM
C209
+
C210
U203
10UF16V
0.1uF
3.3V_SB
1
AVSS
SDAE
2
P70/TA0IN
SCLE
3
P71/TA1OUT
E_PAGE
4
P72/TA3OUT
5
P73/TA4IN
R260
2K OHM 1/10W
6
P74/TA5OUT
R261
7
TMP91CU27UG-9999
1K OHM 1/10W
P80/TB0IN0/INT5
100 OHM 1/10W
R323
R262
8
4
RX_INT#
P81/TB0IN1/INT6
NC
C218
ISP_SW
9
P82/TB0OUT0
100pF
R263
AUDIOSW2
22 OHM 1/10W
10
P83/TB0OUT1
AUDIOSW1
11
P90/TXD0
HDMIHOTPLUG1
Detect_VGAHS
R266
NC
12
P91/RXD0
Detect_VGAVS
R269
NC
13
P92/SCLK0/cts0
3V_TX
R271 0 OHM 1/10W
R272
14
P93/TXD1
0 OHM 1/10W
3V_RX
R273
15
P94/RXD1
0 OHM 1/10W
HDMIHOTPLUG2
R274
0 OHM 1/10W
16
P95/SCLK1/cts1
3.3V_SB
FB213
300 OHM
Y 201
C221
+
C222
0.1uF
10UF16V
27.000MHz
C225
C226
R281
5V_SB
18pF
18pF
R282
4.7K OHM 1/10W
4.7K OHM 1/10W
3.3V_SB
3.3V_SB
R288
100 OHM 1/10W
C229
U206
R289
NC
3
1
18pF
VDD
GND
R291
NC
2
Flash_RST
RESET(RESET)
EM6353BX2SP3B-2.9+
R294
4.7K OHM 1/10W
R295
R297
4.7K OHM 1/10W
100K OHM 1/10W
R298
4.7K OHM 1/10W
R299
4.7K OHM 1/10W
CS1
RD#
WR#
3.3V_SB
3.3V_SB
R309
R310
NC
NC
3.3V_SB
4
3
AM1
AM0
5
2
R312
R313
6
1
R317
R318
4.7K OHM 1/10W
1K OHM 1/10W
1K OHM 1/10W
U209
4.7K OHM 1/10W
RX
4
3
D2
G2
3V_TX
5
2
S1
S2
TX
6
1
D1
G1
NDC7002N
40
5V
R202
NC
R204 NC
AUDIOSW1
R210
22 OHM 1/10W
R209
NC
R212
100 OHM 1/10W
5V
PWR_ON
8
R213
100 OHM 1/10W
CS1
R222
R216
22 OHM 1/10W
8051_CS2CX
5
4.7K OHM 1/10W
R217
22 OHM 1/10W
AV-AUDIO_SW 2
R226 NC
R221
22 OHM 1/10W
WE#
HDMIHOTPLUG1
R224
22 OHM 1/10W
R231
22 OHM 1/10W
8051_WR#
5
R227
22 OHM 1/10W
8051_RD#
5
3.3V_SB
R235
100K OHM 1/10W
3.3V_SB
R240
MUTE
7
22 OHM 1/10W
R244
C207
Comp_SEL
2
+
100 OHM 1/10W
0.1uF
R253 10K OHM 1/10W
48
A[8..19]
P24/A4/A20
A19
47
P23/A3/A19
46
A18
P22/A2/A18
45
A17
P21/A1/A17
44
A16
U205
P20/A0/A16
43
A15
uP_AD0
2
19
uP_A0
P17/AD15/A15
D1
Q1
uP_AD1
3
18
uP_A1
D2
Q2
42
A14
uP_AD2
4
17
uP_A2
P16/AD14/A14
D3
Q3
uP_AD3
5
16
uP_A3
D4
Q4
41
A13
uP_AD4
6
15
uP_A4
P15/AD13/A13
D5
Q5
uP_AD5
7
14
uP_A5
D6
Q6
40
A12
uP_AD6
8
13
uP_A6
P14/AD12/A12
D7
Q7
uP_AD7
9
12
uP_A7
D8
Q8
39
A11
P13/AD11/A11
11
LE
38
A10
1
P12/AD10/A10
OE
37
A9
P11/AD9/A9
SN74LVC573ADBR
36
A8
P10/AD8/A8
35
uP_AD7
P07/AD7
34
uP_AD6
P06/AD6
33
uP_AD5
P05/AD5
3.3V_SB
uP_AD4
uP_AD3
uP_AD2
R292
R276
uP_AD1
10K OHM 1/10W
10K OHM 1/10W
uP_AD0
6/20
8051_ALE
5
0 OHM 1/10W
RESET_H
5
0 OHM 1/10W
RESET_L
4
R287
NC
U211
uP_A0
10
11
uP_AD0
A0
D0
uP_A1
9
12
uP_AD1
A1
D1
uP_A2
8
13
uP_AD2
A2
D2
Keypad / IR Connector
uP_A3
7
15
uP_AD3
A3
D3
uP_A4
6
16
uP_AD4
Connect to Keypad
A4
D4
uP_A5
5
17
uP_AD5
A5
D5
Board
uP_A6
4
18
uP_AD6
A6
D6
uP_A7
3
19
uP_AD7
A7
D7
A8
25
A8
A9
24
3.3V_SB
A9
A10
21
A10
A11
23
3.3V_SB
A11
A12
2
A12
A13
26
A13
A14
1
28
A14
VCC
14
GND
R332
NC
20
C239
/CE
0.1uF
R333
NC
22
/OE
R334
NC
27
/WE
3/22'07
NC
johnny
3.3V_SB
4
3
5
2
R314
R315
6
1
4.7K OHM 1/10W
U210
4.7K OHM 1/10W
CN204
5V_SDA
4
3
D2
G2
3V_RX
3V_SCL
5
2
3V_SDA
S1
S2
5V_SCL
6
1
D1
G1
FDC6301N
4/16'07
johnny
NC
T P V ( Top
Victory
Electronics
Co . ,
絬 隔 瓜 絪 腹
T2289-2-X-X-9-070917
Key Component
03 VGA_IN&MCU
Date
Monday , September 17, 2007
AOC L42W781HS
5V
R203
NC
R205
NC
AUDIO_SW1
2
AUDIO_SW2
2
Q202
AUDIOSW2
Q203
PMBS3904
R211
22 OHM 1/10W
PMBS3904
5V
R321
R320
4.7K OHM 1/10W
NC
HDMI_HOTPLUG1 4
HDMI_HOTPLUG2 4
R319
Q204
HDMIHOTPLUG2
22 OHM 1/10W
Q210
PMBS3904
PMBS3904
R322
NC
C208
R245
R246
NC
VPP_3
10UF16V
0 OHM 1/10W
BY TE
3.3V_SB
R252 4.7K OHM 1/10W
uP_AD[0..7]
5
PS
26
13
CE
VPP
RD#
28
OE
WE#
11
37
VPP_3
WE
VCC
Flash_RST
R256
12
RP
0 OHM 1/10W
14
uP_A[0..7]
5
WP
BY TE
47
29
uP_AD0
BY TE
D1
uP_A0
31
uP_AD1
D2
uP_A1
25
33
uP_AD2
A0
D3
uP_A2
24
35
uP_AD3
A1
D4
uP_A3
23
38
uP_AD4
A2
D5
uP_A4
22
40
uP_AD5
A3
D6
uP_A5
21
42
uP_AD6
A4
D7
FB212
uP_A6
20
44
uP_AD7
3.3V_SB
A5
D8
uP_A7
19
30
A6
D9
A8
18
32
VPP_3
1
2
A7
D10
A9
8
34
300 OHM
A8
D11
A10
7
36
C219
A9
D12
A11
6
39
C220
+
A10
D13
A12
5
41
0.1uF
A11
D14
A13
4
43
10UF16V
A12
D15
A14
3
45
uP_A0
A13
D16
A15
2
A14
A16
R264
0 OHM 1/10W
1
15
R265
A15
RY /BY
A17
R267
0 OHM 1/10W
48
46
NC
A16
GND1
A18
R268
0 OHM 1/10W
17
27
A17
GND2
A19
R270
0 OHM 1/10W
16
A18
U204
EN29LV800BT-70TCP
3.3V_SB
C201
R279
0.001uF
CN203
2.2K OHM 1/10W
FB214
300 OHM
1
5V
FB201
2
REMOTE_3V
D208
LL4148
8
1
3
7
2
4
3.3V_SB
R285
5V_SB
6
3
5
0 OHM 1/10W
5
4
6
KEY _AD
7
8
120 OHM
R290
3.3V_SB
C231
C232
C233
C230
CONN
NC
100pF
0.1uF
0.1uF
0.1uF
5V_SB
R293 NC
R296 NC
3.3V_SB
C234 0.22uF
CN201
1
2
3
U208
1
8
A0
VCC
2
7
NC
A1
WP
3
6
R305
SCLE
A2
SCL
4
5
VSS SDA
100 OHM 1/10W
24LC64ISNG
R307
SDAE
100 OHM 1/10W
C235
C236
100pF
100pF
5V_SB
E_PAGE
R300
R301
10K OHM 1/10W
10K OHM 1/10W
3
5V_SCL
2,4,5,7
2
5V_SDA
2,4,5,7
1
Ltd. )
OEM MODEL
Size
Custom
AT06
TPV MODEL
E427ATNBBWHSN
Rev
G
PCB NAME
715T2289-2
称爹
<称爹>
Sheet
3
of
8

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