AOC T2254we, Service Manual

Page: 49 / 94

49
DGND
20111101 Change CN1005 type
BL_PWM_PWR
OEM MODEL Size
Rev
Date
Sheet of
TPV MODEL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹 A
Custom
13 14 Thursday , February 02, 2012
715G5183-M0B-001-0040
14. LVDS OUTPUT
BL_ON1
BL_PWM
TODN
TECN
PANEL_EN
TECLKN
TOBN
TOCLKN
TOCN
TEBP
TECLKP
TOCLKP
TOAN
TEAP
TOCP
TOBP
TECP
TO2-
TO0+
TO0-
TO1+
TO1- TOBN
TOBP
TOAN
TOAP
TEDP
TEDN
TEAN
TEBN
TODP
TOAP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
CN1002
CONN
TECLKP
TECP
TECN
TEDP
TEDN
TEBN
TEBP
TODN
TODP
OCK+
OCK-
TO2+
TOCP
TOCLKN
TOCLKP
TOCN
TE0+
ECK- TECLKN
TE2-
ECK+
TE0-
TE2+
TE1+
TE1-
PANEL_EN
+PANEL_VCC
TEAP
TEAN
TE3+
TE3-
TO3+
TO3-
R1002
220 OHM 1/4W
R1206
Q1003
PMBS3904
SOT23BEC
C1003
100N 16V
C0402
1
2
3
4
8
7
6
5
RP100122oHM 1/16W CA0402
R1007
10K 1/10W
R0603 C1006
100N 16V
C0402
Q1004
PMBS3904
SOT23BEC
R1011
4.7K1/16W
R0402
R1015
4.7K 1/16W
R0402
R4388
0R05 1/16W
R0402
R1008 100K 1/10W
R0603
1
2
3
4
8
7
6
5
RP1003
22oHM 1/16W
CA0402
DGND
R4389
0R05 1/16W
R0402
R1001
4.7K1/16W
R0402
1
2
3
4
8
7
6
5
RP1005
22oHM 1/16W
CA0402
R4390
NC/4K7 1/16W 5%
R0402
1 2
FB4042
120R/3000mA
L0603
R1016
NC
R0402
R1006
100OHM1/16W
R0402
3
1
2
Q1005
PMBS3904
SOT23BEC
R4393
0R05 1/16W
R0402
R1013
4.7K 1/16W
R0402
3
1
2
Q1002
PMBS3904
SOT23BEC
D
1
D
2
D
3
G
4
S
5
D
6
D
7
D
8
Q1001
AON4421
DFN8-L3W2-0_65
R4385 22R R0402
R4397
NC/0R05 1/16W
R0402
1 2
FB4041
NC/120R/3000mA
L0603
R4386 22R R0402
R4383 22R R0402
R1012
47K +-5% 1/10W
R0603
R1014
4.7K 1/16W
R0402
R4384 22R R0402
R1017
2K OHM
R0402
C1001
NC
C0805
1 2
FB4040
NC/120R/3000mA
L0603
R4394
0R05 1/16W
R0402
1 2
FB1002
120R/3000mA
L0603
DGND
R4395
NC/0R05 1/16W
R0402
1
2
3
4
8
7
6
5
RP1004
22oHM 1/16W
CA0402
C1004
0.1UF50V C0603
R1005
4.7K1/16W
R0402
R1004
NC
R0402
DGND
DGND
DGND
D_5V
DGND
D_5V
D3V3 D3V3
D3V3
VCC33_STB
VCC33_STB
DGND
PANEL_VCC
DGND
DGND
PANEL_VCC
DGND
DGND DGND
+16V
DGND
DGND
D5V_STB
BL_ON1_PWR 4
BL_ADJ 6
BL_PWM_PWR 4
BL_EN 6
TEBP 6
TOBP 6
TECN 6
TODP 6
TEDN 6
PANEL_EN 6
TEAP 6
TEBN 6
TOAN 6
TOBN 6
TEDP 6
TOCLKN 6
TOCN 6
TECLKN 6
TECLKP 6
TOCP 6
TOCLKP 6
TEAN 6
TOAP 6
TODN 6
TECP 6
BL_ADJ 6
I2C_SCL 6,14
BL_EN 6
I2C_SDA 6,14
TO0+
TO0-
TO1+
TO1-
DGND
TO2-
TO2+
OCK+
OCK-
DGND
TO3-
TO3+
I2C_SCL
DGND
I2C_SDA
To LVDS
BIT_SEL
DGND
+PANEL_VCC
R4396 1K
DGND
BRIGHT ADJUST
C4221
22UF 16V
DGND
DGND
Panel Power 3.3V
BL_ON1_PWR
Panel Config
Panel Control Interface
Panel Power filter
From
RTD2864D
INVERTER ON/OFF
VGA: Analog dimming
250Hz, PWM 0: 50%
100: 100%, 3.3V DC
Tuner: Digital dimming
250Hz, PWM fixed 80%
6.3 X 7.7
SMD
To PWR module
111021 EIT AC drop issue
BackLight_SW:
BackLight on: Low
BackLight off: High
Near
CN1002
To PWR module
EMI requirement, chang RP
from 0 ohm to 22 ohm on
20101124
Single signal
(FFC)
To LVDS
From
RTD2864D
LVDS CNN
CN1002/CN1003 CO-LAY
BL_DIM(PWM for Bright_Adj):
Max: 0V
Min: +3V3
Dual signal
(wireharness)
Q4011
PMBS3904
SOT23BEC
DGND
R1003
4.7K1/16W
R0402
+
C1005
100UF 16V
EC63
R4413
4.7K1/16W
R0402
R4412
NC/0R05 1/16W
R0402
+PANEL_VCC
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
32
CN1005
CONN
TO0-
TO2-
TE1-
DGND
TO3-
+PANEL_VCC
TO1-
TE0-
DGND
ECK-
OCK-
DGND
TE3-
TE2-
OCK+
TE2+
TO0+
TO1+
TO2+
DGND
ECK+
+PANEL_VCC
BIT_SEL
TE0+
DGND
TE1+
TO3+
TE3+