Schematic; Main Board - IBM L150 Service Manual

6. Schematic

6.1 Main Board

CN101
26 1
A_GND T2-
2
T2+
3
SGND
4
T4-
5
T4+
6
DDCCLK
7
DDCDAT
8
A_VSYNC
9
T1-
10
T1+
11
SGND
12
T3-
13
T3+
14
+5V
15
GND
16
HPD
17
T0-
18
T0+
19
SGND
20
T5-
21
T5+
22
SGND
23
TC+
24
TC-
C1
A_RED
C2
A_GREEN
C3
A_BLUE
C4
A_HSYNC
C5
A_GND
25
A_GND
JACK
DVI_5V +5V
GND
D101
BAT54C-GS08
R109 R110 GND
20K 1/16W 20K 1/16W
U102
ADD0 1 8
A0 VCC
ADD1 2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
M24C02WMN6
GND
GND
VGA_5V +5V
D106
BAT54C-GS08
GPIO4/UART_DI
C109 R123 R124
0.1uF/16V 20K 1/16W 20K 1/16W DDC_SDA_A
GND
DDC_SDA_A
U104
1 8
A0 VCC
2 7
A1 WP
3 6 DDC_SCL_A
A2 SCL
4 5
GND SDA
M24C02WMN6
GND DDC_SCL_A
ZD105
LL5232B 5.6V 5%
GND
3
1 2
RX2-IN
RX2+IN
SCL_IN
R510 47 1/16W
SDA_IN
R511 47 1/16W
RX1-IN
RX1+IN
DVI_5V
R101 10K 1/16W ZD101
HOT_PLUG LL5232B 5.6V 5%
RX0-IN GND
RX0+IN
RXC+IN
RXC-IN
C514 ED101 C515 ED102
22pF NC 22pF NC
GND GND
C101
0.1uF/16V
SCL_IN
DDC_SCL
SDA_IN
DDC_SDA
ZD102 ZD103
LL5232B 5.6V 5% LL5232B 5.6V 5%
GND
VGA_5V
R627 CN1
47 1/16W DB15
11 1 Rin
6
R125 47 1/16W 12 2 Gin
7
HS_in
13 3 Bin
8
14 4
9
R126 15 5 R628
47 1/16W 10 47 1/16W
+5V
GND
R127 R128
2K 1/16W 2K 1/16W
Pins 6/7/8 are R/G/B
return lines resp.
VS_DVI R129 47 1/16W
R130 47 1/16W
R131 R132
ZD109 ZD108 2.2K 1/16W 2.2K 1/16W
LL5232B 5.6V 5% LL5232B 5.6V 5%
GND
C516 ED103 C517 ED104 C518 ED105 C519 ED106 C520 ED107
22pF NC 22pF NC 22pF NC 22pF NC 22pF NC
GND GND GND GND GND
+5V
C102
0.1uF/16V
D103 GND
BAV99 D104 D105
(10 mil, ┰キ︽絬)
BAV99 BAV99
R136 100 1/16W
R137 100 1/16W
R138 100 1/16W
R139 100 1/16W
R140 100 1/16W
R141 100 1/16W
GPIO5/UART_DO
R133 R134 R135
75 1/16W 75 1/16W 75 1/16W
R142
10K 1/16W
GND VGA_CONN
75-ohm terminating resistor
very close to the VGA
conn.
1 2
(8 mil) U106A
74LVC14A
3
C110 C111
47pF 47pF
23
IBM 15" Service Manual
RX2-
RX2+
RX1-
RX1+
RX0-
RX0+
RXC+
RXC-
C521 ED108
22pF NC
DVI_5V
R143 100 1/16W
DVI_PLUG
GND
R514
10K 1/16W
GND
0.01uF
C103
RED+
0.01uF
C104
RED-
0.01uF
C105
GREEN+
0.01uF
C106
GREEN-
0.01uF
C107
BLUE+
0.01uF
C108
BLUE-
+3.3V
R144
4.7K 1/16W
VGA_PLUG
VGA_PG
VS
4
HS
U106B
74LVC14A
Connect two grounds at one single point only.
AGND GND
Connect two grounds at one single point only.
DGND GND
715L-1039-A
Title
ANALOG&DIGITAL INPUT
Size Document Number Rev
C gm2115 A
Date: 星期六, 十二月 07, 2002 Sheet 2 of 6