Graphic Inputs - Acer AL2021 Service Manual

DVI CONNECTOR
CN8
25
RX2-IN
1
RX2-
2 RX2+IN
RX2+
3
GND
4
RX4-
5
RX4+
6 DVISCL
SCL
7 DVISDA
SDA
8
VS
RX1-IN
9
RX1-
10 RX1+IN
RX1+
11
GND
12 DVI_5V
RX3-
13
RX3+
14 R115 10K/6
5V
15
GND
16 HOT_PLUG
HP
RX0-IN
17
RX0-
18 RX0+IN
RX0+
19
GND
20
RX5-
21
RX5+
22
GND
RXC+IN
23
RXC+
24 RXC-IN
RXC-
C1
RED
C2 TP312-TP327 are the only
GRN
C3
through hole parts as GND
BLU
C4
test Probes on Board.
HS
C5
GND Spread these TH TPs evenly
26 across the Board. The rest
of TPs are Surface mount
GND GND
DVI-I
DVI Test Points are just SMTobservation points
on the traces with no stub
VGA_5V +5V
D8
DAN202U
1 2
U10
1
A0 VCC
2
A1 WP
3
A2 SCL
4
GND SDA
24AA02
GND
ANALOG DDC
R99 10K/6
R107 10K/6
R111 100/6
R112 100/6
U12
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
24AA02
GND
DIGITAL DDC GND GND
VGA_SCL
VGA_SDA
VGA_5V
CN7
R101 100/6 VGASCL 15 5
10
14 4
9
13 3
8
R102 100/6 VGASDA 12 2
7
11 1
6
DB15 HD
A-HS
C88
A-VS
R86 R98
0.1uF/6
10K/6 10K/6
8
7 GND
6
5
A-VS
D6
GND D7
A-HS
5.6V
5.6V
GND GND
RX2- 4
RX2+ 4
RX1- 4
RX1+ 4
RX0- 4
RX0+ 4
RXC+ 4
RXC- 4
DVI_5V +5V
D9
DAN202U
1 2
R88 20/6 1%
A-BLUE
R90 20/6 1%
A-GREEN R91 20/6 1%
A-RED
R93 20/6 1%
GND
GND GND GND
GND GND GND
Near VGA pins
R95 0/6
R97 22/6
U11
R96 22/6 1
1A
2
1Y
3
2A
4
2Y
5
3A
6
3Y
8
4Y
9
4A
GND SN74LVC14A/NS
- 42 -
DVI_CAB 4
GND
DVI_SCL 4
DVI_SDA 4
VGA_SCL 4
VGA_SDA 4
VGA_CAB 4
R106 0/6/NS
GND
C89 0.01uF/6
BLUE+ 4
C90 0.01uF/6
BLUE- 4
C91 0.47uF/6
SOG 4
C92 0.01uF/6
GREEN+ 4
C69 0.01uF/6
GREEN- 4
C94 0.01uF/6
RED+ 4
C93 0.01uF/6
RED- 4
RGB SIGNAL GNDs at 2-mm from respective
RGB series Capacitors
AHS 4
R94 0/6
AVS 4
13
6A
12
6B
11
5A
10
5B
+3.3V
14
VCC
7
GND
GND GND
Title

03. Graphic Inputs

Size Document Number
03. Graphic Inputs
Date: Friday, July 11, 2003
PROJECT : L0T
Quanta Computer Inc.
Rev
L0T 1A
Sheet 3 of 8