AOC M2752PQU, Service Manual

Page: 34 / 87

27" LCD Color Monitor AOC M2752PQU
34
LED2 10
LED1 10
PWM1
SWITCH_EN
EDIDWP
FLASH_WP
TXEC+ 9
TXE3- 9
TXE3+ 9
TXE2- 9
TXE2+ 9
TXEC- 9
TXE0- 9
TXE0+ 9
TXE1- 9
TXE1+ 9
FLASH_HOLD
FLASH_DI
CLK
AUDIO_SD# 11
VOLUME 11
MUTE 11
FLASH_WP#
(4B bit: 7~0 ; 4C bit: 7~4)
U406
NC/MX25L4006EM1I-12G
CS#
1
SO/SIO1
2
WP#
3
GND
4
SI/SIO0
5
SCLK
6 HOLD#
7 VCC
8
NC
R487 100R
FLASH_CE
FLASH_DO
FLASH_CE
FLASH_DO
FLASH_DI
FLASH_WP#
V33P
FLASH_CLK
FLASH_HOLD
PC.3
R488 100R
FLASH_DI
Co-Lay
FLASH_WP
CE
Pin 118
PW ON Latch Function:
Internal MCU :Pull High
External MCU :Pull Low
BL_EN
# Reset Circuit :
RESETB
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 1
Custom
7 3 Thursday , June 14, 2012
称爹 < >
715G5068-M01-000-0040 07.Sclar
SDPAUXP
SDPAUXN
LED_1
LED_2
BL_ADJ
(A0 bit:0)
FLASH_CLK
CE
C417
10uF 16V
R401
NC/100K
C421 33pF 50V
C415 100N 16V
R426 10K
R434 560R 1/16W 5%
C418 0.47uF 16V
R449 100R
R452 0.05R
R446 10R
R
438
47
K
1
/16W
5%
C420 33pF 50V
R4
1
6
N
C
/4.
7
K
1
/16W
R436
NC
Q402
MMBT3906
P6.5
R461 100R
R429 10K
DigitaI_HOT_PLUG
R421 NC
C405
10uF 16V
C
423
10
0N
16
V
C
422
10
0N
16
V
FB407 120 OHM 1 2
R4
1
7
N
C
/4.
7
K
1
/16W
R441 10R
C406 100N 16V
R454 0.05R
C401
NC/220N 25V
Q401
MMBT3906
FB405 120 OHM 1 2
R407 680 OHM
R4
3
0
20
0K
R402 NC/100R
R424 120 OHM
1 2
R435
NC
C411 100N 16V
R422 10K
C407 100N 16V
R442 10R
ST
M
D
S_
R
E
X
T
R456 0.05R
R427 22 OHM 1/16W
C
403
10
0N
16
V
R409
NC/10K
R453 100K
R428 22 OHM 1/16W
X401
14.31818MHZ/32PF
1
2
C
404
10
0N
16
V
R45
1
NC
C426
10uF 16V
R445 10R
C409 220N16V
R457 0.05R
R465 100K
R410 330R
R406 10K
R437 6.2K 1%
FB403 120 OHM
1 2
R425 22 OHM 1/16W
+
C419 NC/10UF50V
R444 10R
C412 100N 16V
HDMI_S1
R
418
10
0K
R4
0
4
2.
2K
R463 0.05R
R4
12
N
C
/4
.7K
1/
16
W
R455 100R
R459 100K
R4
1
5
NC/
1
0K
PD.1
C416 0.47uF 16V
C408 100N 16V
PD.2
R433 4.7K1/16W
R448 10R
R462 0.05R
R4
13
10
K
R423 22 OHM 1/16W
C414 10uF 16V
C410 NC
FB402 120 OHM
1 2
R440 NC
FB404 120 OHM 1 2
U401
RTD2486HRD-GR
DP
_V
DD/
T
M
DS
_
V
DD
1
TM
D
S
_R
E
X
T
2
LA
N
E
0P
/R
X
2
P
_0
3
LA
N
E
0N
/R
X
2N
_
0
4
LA
N
E
1P
/R
X
1
P
_0
5
LA
N
E
1N
/R
X
1N
_
0
6
LA
N
E
2P
/R
X
0
P
_0
7
LA
N
E
2N
/R
X
0N
_
0
8
LA
N
E
3P
/R
X
C
P
_
0
9
LA
NE
3N
/R
X
CN_
0
10
DP
_G
ND/
T
M
DS
_G
ND
11
LA
N
E
0P
/R
X
2
P
_1
12
LA
N
E
0N
/R
X
2N
_
1
13
LA
N
E
1P
/R
X
1
P
_1
14
LA
N
E
1N
/R
X
1N
_
1
15
LA
N
E
2P
/R
X
0
P
_1
16
LA
N
E
2N
/R
X
0N
_
1
17
LA
N
E
3P
/R
X
C
P
_
1
18
LA
NE
3N
/R
X
CN_
1
19
DP
_V
DD/
T
M
DS
_
V
DD2
20
AV
S0
21
AH
S
0
22
A
DC_
V
D
D
23
B0
-
24
B0
+
25
G0
-
26
G0
+
27
S
OG0
28
R0
-
29
R0
+
30
GP
I/
GP
O/
V
8_
7
31
GP
I/
GP
O /
V
8
_6
32
A
DC_
G
N
D
38
GP
I/
GP
O/
V
8_
1
37
GP
I/
GP
O/
V
8_
2
36
GP
I/
GP
O /
V
8
_3
35
GP
I/
GP
O /
V
8
_4
34
GP
I/
GP
O/
V
8
_5
33
AUDIO_SOUTL/V8_3/SCK/GPIO
45
SPDIF3/AUDIO_REF/V8_4/WS/GPIO
44
A-ADC0/VCLK/GPIO
50
A-ADC1/GPIO
51
A-ADC2/GPIO
52
A-ADC3/GPIO
53 A-ADC4/GPIO
54 TCON[0][5]/BADC0/PWM1/PWM5/GPIO
55
TCON[1][4]/B-ADC1/IICSCL/GPIO
56
V8_7/GPIO
41
TCON[9][11]/B-ADC2/IICSDA/GPIO
57
TCON[7][10]/DDCSCL1/GPIO
58 TCON[3][5]/DDCSDA1/GPIO
59 VCCK
60
PGND
61
PVCC
62
TCON[1][8]/PWM2/GPIO
63 SD0/SPDIF0/TCON[0][7]/GPIO/IrDA
64
AUDIO_HOUTL/V8_1/SD0/GPIO
47
AUDIO_HOUTR/V8 _0/PWM0/GPIO
48
A
B
LU
7
/S
C
K
/T
C
O
N
[4
][2
]/
G
P
IO
/B
B
3
N
66
AB
L
U
6/
M
C
K/
T
C
O
N
[5
][
9]
/G
P
IO
/BB
2
P
67
AB
L
U
5/
SD
0/
SP
D
IF
0/
T
C
O
N
[1
3
][
3
]/
G
PI
O
/B
B
2
N
68
LINE_INL/V8_6/IICSCL/GPIO
42
ABL
U
4
/SPD
IF
1
/S
D
1
/T
C
O
N
[ 7
][
3]
/G
P
IO
/I
IC
SC
L/
BB1
P
69
A
B
LU
3
/S
P
D
IF
2
/S
D
2
/T
C
O
N
[ 9
][1
1
]/G
P
IO
/IIC
S
D
A
/B
B
1
N
70
A
B
L
U
2/
S
P
DI
F
3/
S
D3
/T
CO
N[
10
][
8]
/G
P
IO
/P
W
M
1/
P
W
M
5/
B
CL
K
P
71
T
C
O
N
[6
][1
2]/G
P
IO
/P
W
M
3/
B
C
LK
N
72
V
CCK
73
A
B
LU
1
/ G
P
IO
/A
B
LU
7
/T
X
O
3
+_8
b/
T
X
O
4
+_
10
b/
B
G
3
P
74
ABL
U
0/
G
P
IO
/A
BL
U
6
/T
XO
3-
_
8b
/T
X
O
4-_
1
0b
/B
G
3
N
75
A
G
R
N
7
/G
P
IO
/A
B
LU
5/
T
X
O
C
+_
8b
/T
X
O
3+
_1
0b
/B
G
2
P
76
A
G
R
N
6
/G
P
IO
/A
B
LU
4/
T
X
O
C
-_
8b
/T
X
O
3-
_10
b/
B
G
2N
77
AUDIO_SOUTR/V8_2/MCK/GPIO
46
PVC
C
84
PG
N
D
85
A
R
E
D
7/
A
G
R
N
3/
T
X
E
3
+_8
b/
T
X
O
0
+_
10
b/
B
R
1
P
86
LINE_INR/V8_5/IICSDA/GPIO
43
G
P
IO
/P
W
M
3/
T
C
O
N
[1
1]
[6
]/
T
X
E
0-
_10
b/
A
G
2N
99
GPIOVCLK
40
LS_ADC_VDD
49
MCK/TCON[7]/GPIO/AR1P
108
GPIO/V8_0/
39 XO
127
XI
128
W
S
/T
CO
N[
7]
[1
]/
G
P
IO
/P
W
M
1/
B
B
3P
65
A
G
R
N
5
/G
P
IO
/A
B
LU
3/
T
X
O
2+
_
8b
/T
X
O
C
+_1
0b
/B
G
1
P
78
A
G
R
N
4
/G
P
IO
/A
B
L
U
2/
T
X
O
2
-_
8
b/
T
X
O
C
-_1
0b
/B
G
1
N
79
A
G
R
N
3
/G
P
IO
/A
G
R
N
7/
T
X
O
1
+_
8b
/T
X
O
2+
_1
0b
/B
R
3P
80
AG
R
N
2/
G
PI
O
/A
G
R
N
6
/T
XO
1-
_
8b
/T
X
O
2-_
1
0b
/BR
3
N
81
A
G
R
N
1
/G
P
IO
/A
G
R
N
5/
T
X
O
0
+_
8b
/T
X
O
1+
_1
0b
/B
R
2P
82
AG
R
N
0/
G
PI
O
/A
G
R
N
4
/T
XO
0-
_
8b
/T
X
O
1-_
1
0b
/BR
2
N
83
A
R
E
D
6/
A
G
R
N
2/
T
X
E
3-
_8
b/
T
X
O
0-
_10
b/
B
R
1N
87
A
R
ED
5
/AR
ED
7/
T
X
EC
+
_8
b
/T
XE4
+
_1
0
b/
AB
3
P
88
A
R
E
D
4/
A
R
E
D
6/
T
X
E
C
-_
8b
/T
X
E
4+
_1
0b
/A
B
3
N
89
AR
ED
3/
AR
E
D
5
/T
XE2
+
_8
b
/T
XE3
+
_1
0
b/
AB2
P
90
AR
ED
2/
A
R
ED
4
/T
XE2
-_
8
b/
T
X
E
3-
_
10
b/
A
B
2
N
91
A
R
ED
1
/AR
ED
3/
T
X
E1
+_
8
b/
T
X
E
C
+
_1
0
b/
AB
1
P
92
A
R
E
D
0/
A
R
E
D
2/
T
X
E
1-
_
8b/
T
X
E
C
-_
10
b/
A
B
1
N
93
D
E
N
A
/T
X
E
0+_8b
/T
X
E
2+_10
b/
A
C
LK
P
94
D
H
S
/T
X
E
0-
_8b
/T
X
E
2-
_1
0b
/A
C
L
K
N
95
D
C
L
K
/G
P
IO
/P
W
M
0
/T
X
E
1
+_
10
b/
A
G
3P
96
D
V
S
/G
P
IO
/P
W
M
1/
T
X
E
1-
_10
b/
A
G
3N
97
G
P
IO
/P
W
M
2
/T
X
E
0
+_
10
b/
A
G
2P
98
G
P
IO
/P
W
M
4
/T
C
O
N
[1
2]
[3
]/A
G
1
P
10
0
G
P
IO
/P
W
M
5/
TC
O
N
[0
]/A
G
1
N
10
1
S
D
3
/ S
P
D
IF
3
/T
C
O
N
[1
0]
/G
P
IO
/P
W
M
0/A
R
3
P
10
2
SD2/SPDIF2/TCON[8]/GPIO/IICSCL/PWM1/AR3N
103
SD1/SPDIF1/TCON[5]/GPIO/IRQ/IICSDA/AR2P
104
SD0 / SPDIF0 / TCON[9] / GPIO / AR2N
105
PVCC
106
PGND
107
SCK/TCON[3]/GPIO/AR1N
109
WS/TCON[6]/GPIO/SDT
110
SD0/SPDIF0/TCON[4]/GPIO/SPDIF1
111
SD1/ SPDIF1/TCON[9]/GPIO/WS
112
SD2/SPDIF2/TCON[1][11]/GPIO/IrDA/SCK
113
SD3/SPDIF3/TCON[13]/GPIO/VCLK/MCK
114
SPI_SCLK/SeriesData
115
SI/MCU_SCLK
116
SO/SCSB
117
CEB/IRQB
118
GPIO/PWM5/SPDIF1
119
VCCK
120
DDCSCL3/GPIO/AUX-CH_P1
121
DDCSDA3/GPIO/AUX-CH_N1
122
DDCSCL2/GPIO/AUX-CH_P0
124 DDCSDA2/GPIO/AUX-CH_N0
123
RESETB
125
CEC/GPIO/PWM1/SPDIF2
126
E-Pad
129
C424
10uF 16V
FB401 120 OHM
1 2
R447 10R
C413 100N 16V
FB406 120 OHM 1 2
R458 0.05R
R4
11
NC/
10
K
R4
0
5
2.
2K
U403
MX25L2026DM1I-12G
CS
1
SO
2
WP
3
GND
4
SI
5
SCK
6
HOLD
7
VCC
8
R403 NC/100R
R408
10K
R443 10K
R450 10R
C402
10uF 16V
R466 100R
C425
100N 16V
R460 0.05R
R439 NC/0.05R
VGA_CABLE_DETIN
U402
NC/M24C16
NC
1
NC
2
NC
3
VSS
4
SDA
5
SCL
6
WC
7
VCC
8
V33S 5,6,8,10
HDMI_CABLE_DET
DVI_CABLE_DETIN
PD.3
V5A 2,4,5,8,9
EDIDWP
EESDA
FLASH_DO
FLASH_CE
EESCL
V12S 8
V33P V33S
V33P
V12C
V12C V33P
V33P
V33SDRAM
V12C
XO
V33LSADC
V33TMDS
V12ADC
V33SDRAM
V33TMDS
V33SDRAM
V33CRY STAL
V5A
V33LSADC
V33P
V33P
V33P
V33TMDS
PD.4
V33S
V33P
PD.6 PD.5
V33P
V33P
V33CRY STAL
PD.7
V33P
V33S
V33P
V12C
V12ADC
V33P
V33P
V12S
V33S
V33P
XI
V33P
VGASCL 2
VGASDA 2
PANEL_ON 9
NVSCL
DP_SINK_ASS_2 6
DP_SINK_ASS_1 6
NVSDA
R4
79
N
C
/0.
05
R
KEY0 10
KEY1 10
EESCL
INR 11
EESDA
INL 11
PC1_R 11
PC1_L 11
SWITCH_EN 3
MUX_AUD_5VSW 8
EDID_WP 2,4,5
VGA_CABLE_DET 2
DVI_CABLE_DET 4
HDMI_CABLE_DET 5
DP_CABLE_DET 6
SYSTEM_EEPROM_WP
V5A
V5A
SOG0 2
R0- 2
R0+ 2
B0- 2
B0+ 2
G0- 2
G0+ 2
DRXCP 3
AVS0 2
AHS0 2
R4
80
0.
05
R
DP_CABLE_DETIN
DRX2N 3
DRX2P 3
DRXCN 3
DRX0P 3
DRX1N 3
DRX1P 3
LANE3N_S 6
LANE2N_S 6
LANE3P_S 6
DRX0N 3
LANE2P_S 6
LANE1P_S 6
LANE1N_S 6
LANE0P_S 6
LANE0N_S 6
AUX_CHP 6
D_SDA 3
AUX_CHN 6
LED2O
MA_5V_SW
P1.0 (E2 bit:0)
RESETB
D_SCL 3
DP_HOT_PLUG 6
R481 NC/0.05R
LED_1 LED1O
HDMI_S2 3
POWER 10
HDMI_S1 3
R482 NC/0.05R
DigitaI_HOT_PLUG 3
TXO0- 9
BL_EN 8
TXO1- 9
TXO1+ 9
TXO2- 9
TXO0+ 9
TXOC+ 9
TXOC- 9
TXO2+ 9
BL_ADJ 8
TXO3+ 9
TXO3- 9
LED2O1
LED1O1
B B ︳ A I N V O L ︳L : 0 x B A [ 0 : 7 ]
B B ︳ A I N V O L ︳ R : 0 x B B [ 0 : 7 ]
HDMI_CEC 5
SADC0
SGP119
LED_2
SAUDIO_REF
VGA_CABLE_DETIN
DVI_CABLE_DETIN
HDMI_CABLE_DET
HDMI_HOT_PLUG 5
XOC
SPCRIN
SPCLIN
DP_CABLE_DETIN
SYSTEM_EEPROM_WP
SWITCH_EN
PD.0 (7E bit:0)