AOC LM722 Service Manual page 17

17" lcd monitor
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+3.3V_VDD
56.95mA
L101
C123
C124
C125
C126
C127
120 OHM
C122
+
0.1uF/16V
0.1uF/16V
0.1uF/16V
0.1uF/16V
0.1uF/16V
22uF
Close to respective power Pins
GND
3.3V_AVDD
77.2mA
L103
C137
C138
120 OHM
+
Close to respective power Pins
C136
0.1uF/16V
0.1uF/16V
22uF
3.3V_PVDD
GND
5.37mA
3.3V_LAVDD
L106
C139
120 OHM
5.8mA
0.1uF/16V
L105
120 OHM
C143
C144
+
10uF
0.1uF/16V
GND
GND
GND
GND
6/25 Change EDID-EP Circuit
Add Q107-3904
R175 to 10K
R174 to 22K
OPTIONAL
1
EDID-WP
+5V
FOR
DEBUGGING
Q107
PMBS3904
PURPOSES
R128
ONLY
+5V
R129
1
CN102
1
UDART_DO
GND
2
C146
UDART_DI
3
4
0.1uF/16V
G-PROBE
GND
+5V
C150
R133
R134
R135
0.1uF/16V
IC104
1
8
A0
VCC
/WP
2
7
R137
100£[ 1/16W
A1
WP
NVRAM_SCL
3
6
R139
100£[ 1/16W
A2
SCK
4
5
R141
100£[ 1/16W
NVRAM_SDA
VSS
SI
M24C16-MN6T
R145
GND
GND
3.3V_DVDD
+1.8V_VDD
114mA
C128
L102
C130
120 OHM
C129
+
0.1uF/16V
22uF
0.1uF/16V
GND
1.8V_AVDD
38.4mA
L104
C141
120 OHM
+
C140
0.1uF/16V
22uF
GND
1
1
1
1
1
+5V
+5V
1
1
1
1
R122
R123
4.7K£[ 1/16W
4.7K£[ 1/16W
RESET
R124 NC
R188 100£[ 1/16W
R126
U101
GND
SP1
2
P1.0/T2
A8/P2.0
+5V
SP2
3
P1.1/T2EX
A9/P2.1
AUDIO_MUTE
4
P1.2/ECI
A10/P2.2
NVRAM_SDA
5
P1.3/CEX0
A11/P2.3
NVRAM_SCL
6
P1.4/CEX1
A12/P2.4
R174
/WP
7
P1.5/CEX2
A13/P2.5
10K£[ 1/16W
AUDIO_STDBY
8
P1.6/CEX3/WAIT#
A14/P2.6
9
P1.7/CEX4/A17/W
A15/P2.7
10
RST
PSEN#
UDART_DI
11
1
RXD
P3.0/RXD
AD7/P0.7
UDART_DO
13
1
TXD
P3.1/TXD
AD6/P0.6
14
P3.2/INT0#
AD5/P0.5
15
P3.3/INT1#
AD4/P0.4
16
P3.4/T0
AD3/P0.3
17
P3.5/T1
AD2/P0.2
X101
AD1/P0.1
GND
14.318MHz
AD0/P0.0
20
XTAL2
21
XTAL1
P3.6/WR#
P3.7/RD#/A16
+5V
ALE/PROG#
35
EA#/VPP
44
VCC
C147
C148
NC
33pF
33pF
C149
NC
NC
0.1uF/16V
22
VSS
NC
GND
GND
W78E65P
GND
PLCC44 - SOCKET-87L202-44
Philips P89C51RD2
+5V
Winbond W77E65P-24/40
SyncMOS SM2965
WINBOND W78E65P-40-56L1125-137-X
3
KEY_AUTO
3
KEY_MENU
3
KEY_RIGHT
3
KEY_LEFT
3
KEY_ONOFF
3
AUDIO_STDBY
3
AUDIO_MUTE
Page 17 of 48
1.8V_DVDD
C131
C132
C133
C134
C135
0.1uF/16V
0.1uF/16V
0.1uF/16V
0.1uF/16V
0.1uF/16V
Close to respective power Pins
U102
3.3V_PVDD
3.3V_AVDD
C142
0.1uF/16V
69
AVDD_ADC_3.3
79
AVDD_ADC_3.3
1.8V_AVDD
89
AVDD_RPLL_3.3
84
VDD_RPLL_1.8
82
VDD_ADC_1.8
81
GND_ADC
72
AGND_ADC
76
AGND_ADC
80
AGND_ADC
83
VSS_RPLL
86
AVSS_RPLL
C176
33p
GND
3.3V_PVDD
87
XTAL
X102
88
14.318MHz
TCLK
3.3V_PVDD
C177 47p
77
RED+
RED+
78
RED-
RED-
74
GREEN+
GREEN+
75
GREEN-
GREEN-
70
BLUE+
BLUE+
71
BLUE-
BLUE-
95
HSYNC
HSYNC
96
VSYNC
VSYNC
73
SOG
SOG_MCSS
91
RESET_OUT
90
RESETn
C145
0.1uF/16V
VGA_CAB
24
R125
VGA_CAB 1
KEY_AUTO
25
100£[ 1/16W
GND
26
KEY_MENU
27
KEY_RIGHT
IRQn
46
GPIO10/IRQn
28
KEY_LEFT
R127
29
KEY_ONOFF
30
A14
4.7K£[ 1/16W
DDC_SCL
97
1
DDC_SCL
DDC_SCL
31
A15
DDC_SDA
98
1
DDC_SDA
DDC_SDA
32
SP6
RP101
33£[ 1/16W
36
+5V
1
8
38
GPIO13/AD7
37
2
7
39
GPIO12/AD6
38
3
6
40
GPIO11/AD5
39
4
5
41
HFS/AD4
40
1
8
42
HDATA3/AD3
41
2
7
43
HDATA2/AD2
42
3
6
44
HDATA1/AD1
43
4
5
45
HDATA0/AD0
WRn
18
RP102
33£[ 1/16W
RDn
19
33
ALE
R173
NC
34
SP7
23
SP8
5/11 Add H/W ISP R130 to 0 Ohm
12
1
+5V
+
C107
RDn
R185 33£[ 1/16W
37
RDn
WRn
R186 33£[ 1/16W
36
WRn
NC
35
HCLK/ALE
34
MEM_REG
GND
A15
R138
NC
R136 NC
R142 33£[ 1/16W
R140
NC
ALE
R146 33£[ 1/16W
A14
GMZAN3/SL
QFP-100
GND
+5V
R179
4.7K£[ 1/16W
RP103
4.7K£[ 1/16W
KEY_MENU
1
8
KEY_UP => A9/P2.1 OF MCU
KEY_RIGHT
2
7
KEY_RIGHT => A10/P2.2 OF MCU
KEY_LEFT
3
6
KEY_DOWN => A11/P2.3 OF MCU
KEY_ONOFF
4
5
KEY_LEFT => A12/P2.4 OF MCU
KEY_ON/OFF => A13/P2.5 OF MCU
A14
R147
4.7K£[ 1/16W
A14 => MEM_REG(ZAN3SL)
A15
R148
4.7K£[ 1/16W
A15 => HCLK(ZAN3SL)
AUDIO_STDBY
R149
4.7K£[ 1/16W
AUDIO_MUTE
R183
4.7K£[ 1/16W
LM722
3.3V_DVDD
1.8V_DVDD
3.3V_LAVDD
3.3V_DVDD
1
AVDD_LV_3.3
4
VDD_OUT_LV_3.3
16
VDD_OUT_LV_3.3
28
VDD_OUT_LV_3.3
3
AVSS_LV
15
VSS_OUT_LV
27
VSS_OUT_LV
GND
5
LVDS_E9
CH3P_LV_E/R0
6
LVDS_E8
CH3N_LV_E/R1
LVDS_E7
7
CLKP_LV_E/R2
LVDS_E6
8
CLKN_LV_E/R3
LVDS_E5
9
CH2P_LV_E/R4
LVDS_E4
10
CH2N_LV_E/R5
11
LVDS_E3
CH1P_LV_E/R6
12
LVDS_E2
CH1N_LV_E/R7
13
LVDS_E1
CH0P_LV_E/G0
14
LVDS_E0
CH0N_LV_E/G1
LVDS_E[0..9]
LVDS_O9
17
CH3P_LV_O/G2
LVDS_O8
18
CH3N_LV_O/G3
19
LVDS_O7
CLKP_LV_O/G4
20
LVDS_O6
CLKN_LV_O/G5
21
LVDS_O5
CH2P_LV_O/G6
22
LVDS_O4
CH2N_LV_O/G7
23
LVDS_O3
CH1P_LV_O/B0
24
LVDS_O2
CH1N_LV_O/B1
LVDS_O1
25
CH0P_LV_O/B2
LVDS_O0
26
CH0N_LV_O/B3
LVDS_O[0..9]
30
PPWR
29
PBIAS
49
NC
61
NC
66
NC
52
GPIO0/PWM0
BRIGHTNESS 5
53
GPIO1/PWM1
VOLUME
54
GPIO2/DHS
55
GPIO3/DVS
56
GPIO4/DEN
57
GPIO5/DCLK
58
GPIO6/B7
LED_O
59
GPIO7/B4
LED_G
60
PPWR
GPIO8/B6
PPWR
50
PBIAS
GPIO9/B5
PBIAS
85
SP10
GND
VBUFS_RPLL
2
SP11
GND
VCO_LV
GND
62
STI_TM1
63
STI_TM2
GND
GND
Title
ZAN3SL & Micro I/F
Size
Document Number
Rev
C
NMV AS Series LCD
715L1350-D-GM
D
Date:
Monday, December 27, 2004
Sheet
3
of
6
LVDS_E[0..9]
4
LVDS_O[0..9]
4
3
3
3
5
5

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