Schematic; Main Board - HP LP2275w Service Manual

22" LCD Color Monitor

7. Schematic

7.1 Main Board

CN101
JACK
1
DATA2-
2
DATA2+
3
DATA2/4_SHLD
4
DATA4-
5
DATA4+
6 DDC-SCL_A
DDC_CLK
7 DDC-SDA_A
DDC_DATA
8 AVI-VS_A
VSYNC
9
DATA1-
10
DATA1+
11
DATA1/3_SHLD
12
DATA3-
13
DATA3+
14 DVI-5V_A
+5V
15 DVI-I_A_Cable_detect
GND
16 HP_A
H_PLUG_DET
17
DATA0-
18
DATA0+
19
DATA0/5_SHLD
20
DATA5-
21
DATA5+
22
CLK_SHLD
23
CLK+
24
CLK-
25
C1
ANA_Red
26
C2 ANA_Green
27
C3 ANA_Blue
28
C4 ANA_HYNC
29
C5 ANA_GND
30
C5 ANA_GND
GND
GND
D109
BAT54C
DVI-5V_A 1
+5V
DC5V 2
DDC-DVI-SEL
3 DDC-DVI-SEL
DDC-SDA_A
DDC-SCL_A
ZD102 ZD103
TZMC5V6 TZMC5V6
GND
+3.3V +3.3V
C111 C112
0.1uF 16V 0.1uF 16V
GND GND
D110
BAV99
AVI-R_A
AVI-G_A
AVI-B_A
C117 C118
NC NC
GND
AVI-VS_A
AVI-HS_A
C1114 C1115 ZD104
TZMC5V6
10pF 10pF
GND
C1101 C1102 C1103 C1104
0.1uF 16V 0.1uF 16V 0.1uF 16V 0.1uF 16V
GND GND GND GND
D101 D102 D103 D104
BAV99 BAV99 BAV99 BAV99
NC
R101
UART_RX 5
R102
UA_TX/BS_4 5
NC
R103 10K 1/16W 5%
AVI-R_A
AVI-G_A
AVI-B_A
AVI-HS_A
D105 D106 D107
BAV99 BAV99 BAV99 D108
BAV99
ZD101 ZD106
TZMC5V6 TZMC5V6
C1105 C1106 C1107 C1108
0.1uF 16V 0.1uF 16V 0.1uF 16V 0.1uF 16V
GND
For analog into IROM, hardware
U101 pin9 pull high
3 DDC-5V
DDC-5V
R1118 R112
4K7 1/16W 5% R113
R114
U101 74LV4053D R115
16 1 AVI-SDA_A R116
VCC 2Y 1
15 2 DVI-SDA_A R117
2Z 2Y 0
14 3
1Z 3Y 1
13 4
1Y1 3Z
12 5 DVI-SCL_A
1Y0 3Y 0
11 6 AVI-SCL_A
S1 E
10 7 DDC-5V
S2 VEE
9 8 R119
S3 GND
R120
R121
R122
R123
GND R124
+3.3V
C113
0.1uF 16V
GND
D111 D112 R1117 475 OHM 1% 1/10W
BAV99 BAV99
FB101 60 OHM
1 2 R126
47R 1/16W 5%
1 2 R127
FB102 60 OHM 47R 1/16W 5%
1 2 R128
60 OHM 47R 1/16W 5%
FB103
R129 R130 R131
NC NC NC C1110 C1112 C1113
C119 75 OHM 1/16W 75 OHM 1/16W
NC 75 OHM 1/16W
GND
FB104 0R05 1/10W 5% R132 220R 1/16W 5%
(8 mil)
FB105 0R05 1/10W 5% R133 220R 1/16W 5%
ZD105 C120 R135 C121
TZMC5V6 R134 22pF 22pF
2K2 1/16W 5% 2K2 1/16W 5%
FB118
+3.3V
120 OHM HP_A R136 22R 1/16W 5%
+5V
R104 10R 1/16W 5% SL_RX2-
SL_RX2- 5
R105 10R 1/16W 5% SL_RX2+
SL_RX2+ 5
DVI-I_A_Cable_detect
R106 10R 1/16W 5% SL_RX1-
SL_RX1- 5
R107 10R 1/16W 5% SL_RX1+
SL_RX1+ 5
R108 10R 1/16W 5% SL_RX0-
SL_RX0- 5 3,4,5,6,8,10 +5V
R109 10R 1/16W 5% SL_RX0+
SL_RX0+ 5
8,9 +3.3V
R110 10R 1/16W 5% SL_RXC+
SL_RXC+ 5
R111 10R 1/16W 5% SL_RXC-
SL_RXC- 5
+5V
Q101
+3.3V EDID_WP
FB116 2N7002
120 OHM
970122
SL_DDC_SDA_DVI 5
SL_DDC_SCL_DVI 5
0.1uF 16V C109
4K7 1/16W 5%
4K7 1/16W 5%
U102
R118
0R05 1/16W 10K 1/16W 5% 8 1
VCC A0
0R05 1/16W EDID_WP 7 2
WP A1
47R 1/16W 5% 6 3
SCL A2
47R 1/16W 5% 5 4
SDA GND
M24C02-WMN6TP GND
0.1uF 16V C110
4K7 1/16W 5%
4K7 1/16W 5%
U103
R125
47R 1/16W 5% 10K 1/16W 5% 8 1
VCC A0
47R 1/16W 5% EDID_WP 7 2
WP A1
0R05 1/16W 6 3
SCL A2
0R05 1/16W 5 4
SDA GND
M24C02-WMN6TP GND
DDC_SDA_VGA 3
DDC_SCL_VGA 3
C1109 0.1uF 16V
SOG 3
C114 0.01uF/25V RED+
RED+ 3
C115 0.01uF/25V GREEN+
GREEN+ 3
C116 0.01uF/25V BLUE+
BLUE+ 3
VSYNC 3
HSYNC 3
22
SL_DVI_HPD 5
R137
4K7 1/16W 5%
CABLE_DET 3
+5V
+3.3V
DVI_EDID_WP 3
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL HP-Say id 22W
G2973-1-X-X-1-080603 TPV MODEL
絬 隔 瓜 絪 腹 LP2275w
Key Component 2.0 INPUT PCB NAME 715G2973-G
Date Tuesday , June 03, 2008 Sheet 2 of 10
HP LP2275w
C
Size
Rev G
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