AOC 177Pk, Service Manual, Page: 20 / 72

17" LCD Color Monitor AOC 177Pk
20
Q405
NC
E
B
C
GPO0
R477 1K 1/16W
C415
0.1uF
R403 390 1%
AUDIO_MUTE
C407
0.1uF
R483
NC
R405
22K 1/16W
TSUM56AK
VCC3.3
VDDP
R424
10K 1/16W
D402
RLZ36B
1
2
VDVI
+5V
PA1
C422
0.1uF
POWER
LED_G
U402
SST25VF010-20-4C-SAE
1
2
3
4 5
6
7
8
CE#
SDO
WP#
VSS SDI
SCK
HOLD#
VDD
PA[8..13] 5
VDDP
GPO3
PA9
PB23
U406
ASM810MEURF-T 1
2 3
GN
D
RST VCC
C404
0.1uF
GPO[0..4] 5
DDC_WP 3
PB18
U403
AT24C16N-10SC-2.7
1
2
3
4 5
6
7
8
A0
A1
A2
GND SDA
SCL
WP
VCC
R- 3
PB3
C421 22pF
GNDG 3
+12V 2
VCC3.3
G- 3
PA16
OSP 5
AUDIO_STBY
PB21
R407 NC
R404
10K 1/16W NC
R423 4.7K 1/16W
ESP 5
R490
10K 1/16W
KEY_LEFT
C401
0.1uF
BIN 3
VCC3.3
POWER
PB2
FB401
600 OHM
PA10
VPLL
KEY_RIGHT
KEY A
PA3
OUT-L+
VCC3.3 2
PB15
WP
R476 1K 1/16W
KEY1
Q404
PMBS3904
DDCA_SDA 3
+5V 2,3
PB13
VMPLL
FB405
600 OHM
D401
RLZ36B
1
2
PB0
VCC1.8
KEY_A
PB10
GPO[0..4]
R414
120 1/16W
on_PANEL_12V 2
R430
1K 1/16W
PB4
R416
10K 1/16W
R+ 3
GND
R408
10K 1/16W
R426
10K 1/16W
R484
10K 1/16W
PA6
C616
NC
C406
0.1uF
KEY_B
KEY2
C419
0.1uF
PA[14..19] 5
PB[12..23] 5
on_BACKLIGHT 2
C417
0.1uF
VCC3.3 2
DET_VGA 3
VMPLL
LED_G
PA0
C431
NC
R410 NC
R485
10K 1/16W
VCC3.3
LED_A
POWER
PA5
C411
0.1uF
VDDC
VCC3.3
R412
10K 1/16W
R486
NC
R478 1K 1/16W
SOG 3
+ C418
10uF/16V NC
FB408
600 OHM
PB22
PA2
R474
3.9K 1/16W
AVDD
FB402
600 OHM
VCC3.3
VDDC
R427 100 1/16W
KEY_MENU
KEY_RIGHT
KEY1
KEY_A
VCC3.3 2
AVDD
DDCD_SCL 3
PB[6..11] 5
RIN 3
GNDR 3
VCC3.3
P[0..7]
R487
10K 1/16W
C410
0.1uF
RSDS/LVDS/TTL
LED_A
OUT-L-
VCC3.3
VPLL
VCC3.3
KEY_C
R480 1.5K 1/16W
+ C403
4.7uF/16V
OUT-R-
KEY_MENU
C409
0.1uF
OUT-R+
GPO2
GIN 3
PA18
C424 0.1uF
VDVI
PA14
FB406
600 OHM
KEY_B
OSP
PB6
DDCA_SCL 3
KEY_AUTO
AUDIO_STBY
R406
10K 1/16W
Q401
PMBS3906
GNDB 3
Q402
PMBS3904
OUT-R-
PB7
KEY_LEFT
WP
R420 100 1/16W
VCTRL 2
B+ 3
SCALER A C
1 5 Thursday , May 12, 2005
Title
Size Document Number Rev
Date: Sheet of
PB[12..23]
R428 100 1/16W
R409
120 1/16W
+5V
PA[14..19]
OUT-L+
PA11
PA17
X401
14.318MHz
PA[0..7] 5
R425
10K 1/16W
C414
0.1uF
FB404
600 OHM
R489
10K 1/16W
R475
3.9K 1/16W
+12V
R417 20K 1/16W
Q403
PMBS3906
R411 100 1/16W
PB[0..5] 5
DET_DVI 3
C413
0.1uF
C426
0.1uF
FB407
600 OHM
C416
0.1uF
AVDD
+5V
KEY2
PA15
R432 0 1/16W
PB11
FB403
600 OHM
Option
PA13
CN403
CONN
2
4
6
8
10
12
14
16
1
3
5
7
9
11
13
15
HSYNC 3
KEY_AUTO
PB5
PB9
C423 22pF
R488 NC
DDCD_SDA 3
LED_G
PB17
PB12
TSUM56AK
R415
10K 1/16W
R433 NC
CLK- 3
OUT-L-
R422 4.7K 1/16W
C429
0.1uF
VCC3.3
+5V
PB16
PA19
PB8
PB1
R482
NC
VSYNC 3
C420
0.1uF
+ C408
10uF/16V
+5V
GPO1
R481
NC
GPO4
PA7
CN404
CONN
2
4
6
8
10
12
14
1
3
5
7
9
11
13
B- 3
VCC3.3
PA12
OUT-R+
PB19
R431 0 1/16W
PA4
R419 0 1/16W
VCC3.3
ESP
Volume
C430
0.1uF
CLK+ 3
PB20
LED_A
VCC3.3 2
G+ 3
AUDIO_MUTE
VCC3.3
C405
0.1uF
U401
59
56
57
54
58
55
53
63
64
51
62
61
70
72
71
73
79
21
108
32
33
109
110
111
112
113
114
118
119
120
121
122
123
124
125
126
127
107
106
105
41 47
39
40
42
43
44
45
46
48
49
38 96 116
67 12
104
102
11
14 68
65
66
36
37
29
50 97
69
78
20
22
23
24
27
28
30
31
35
76
77
19
100
101
98
99
93
94
91
92
89
90
9
10
15
16
17
18
2
3
5
6
7
8
128
1
80
81
88
87
86
85
84
83
82
25
26
75
74
52 34 4 95 103 115 117 60
13
RIN0P
GIN0P
SOGIN0
BIN0P
RIN0N
GIN0N
BIN0N
HSYNC0
VSYNC0
REXT
REFP
REFM
SDO
SCK
SCZ
SDI
GPIO_P27/PWM1
PWM1/GPIO_P25
NC/LVACKM/NC
XIN
XOUT
RA1P/LVA2P/RA2
RA1N/LVA2M/RA3
RA2P/LVA1P/RA4
RA2N/LVA1M/RA5
RA3P/LVA0P/RA6
RA3N/LVA0M/RA7
CLKAP/LVB3P/LHSYNC
CLKAN/LVB3M/LVSYNC
CLKBP/LVBCKP/LCK_ODD
CLKBN/LVBCKM/LDE
NC/LVB2P/NC
NC/LVB2M/NC
BB1P/LVB1P/BB2
BB1N/LVB1M/BB3
BB2P/LVB0P/BB4
BB2N/LVB0M/BB5
NC/LVACKP/NC
GA3N/LVA3M/GA7
GA3P/LVA3P/GA6
GN
D
GN
D
RX2P
RX2N
RX1P
RX1N
A
V
DD_
DV
I
RX0P
RX0N
RXCKP
RXCKN
GN
D
GN
D
GN
D
VD
D
P
V
DDC
MODE[1]
MODE[0]
VCTRL
VD
D
P
V
DD_
O
T
P
DDCA_SDA
DDCA_SCL
DDCD_SDA
DDCD_SCL
PWM0/GPIO_P26
A
V
DD_
DV
I
V
DDC
GPIO_P15
PWM2/GPIO_P24
GPIO_P16
GPIO_P17/SAR0
GPIO_P00/SAR1
GPIO_P01/SAR2
GPIO_P06
GPIO_P07
GPIO_P13
GPIO_P14
GPIO_P16
DDCROM_SDA
DDCROM_SCL
RST
GA2P/NC/GA4
GA2N/NC/GA5
GA1P/NC/GA2
GA1N/NC/GA3
BA3P/NC/BA6
BA3N/NC/BA7
BA2P/NC/BA4
BA2N/NC/BA5
BA1P/NC/BA2
BA1N/NC/BA3
RB1P/NC/RB2
RB1N/NC/RB3
RB2P/NC/RB4
RB2N/NC/RB5
RB3P/NC/RB6
RB3N/NC/RB7
GB1P/NC/GB2
GB1N/NC/GB3
GB2P/NC/GB4
GB2N/NC/GB5
GB3P/NC/GB6
GB3N/NC/GB7
BB3P/NC/BB6
BB3N/NC/BB7
ESP
OSP
GPO0
GPO1
GPO2
GPO3
GPO4
GPO5
GPO6
GPIO_P02/SAR3
GPIO_P03
GPIO_P22
GPIO_P23
A
V
DD_
P
LL
A
V
DD_
M
P
LL
A
V
DD_
M
P
LL
VD
D
P
VD
D
P
VD
D
P
V
DDC
AV
D
D
_AD
C
GN
D
R429 100 1/16W
C428
0.1uF
VCC3.3
PA[8..13]
R418 100 1/16W
R421 0 1/16W
PA8
Volume
R479 1K 1/16W
C427
0.1uF
Reset
Circuit
C412
0.1uF
VCC3.3 2
on_PANEL 2
KEY_C
PB[6..11]
R413
10K 1/16W
VCC1.8 2
PB14
PB[0..5]
C425
0.1uF
+5V 2,3
adj_BACKLIGHT 2