Acer A221HQV, Service Manual

Page: 5 / 88

1.3.1 Interface Connectors:
1.3.1.1 Power Connector and Cable:
The AC inlet connector shall be an IEC/CEE-22
type male power receptacle for connection to
mains power. The power cord shall be black/white
depending on the color of machine with length of
1.8
±
0.05 meters. The power cord type is different
from regions.
1.3.1.2 Analog Connector and Cable:
These signal input connector shall be 15 D-sub
capable of receiving VGA analog signal. The VGA
signal cable shall be black and with length of
1.8meter. The D-sub cable shall be a molded-
over, shielded, triple row, 15 pins and blue color D
type connector.
1.3.1.3 DVI-D digital Connector and Cable:
These signal input connector shall be 24 DVI-D
capable of receiving TMDS digital signal. The DVI
cable shall be black and with length of 1.8meter.
The DVI cable shall be a molded-over, shielded,
triple row, 24 pins, and white color DVI-D
connector.
1.31.4 HDMI digital video and audio Connector and
Cable:
These input connector shall be capable of
receiving digital video and audio signal per HDMI
requirement. The optional HDMI cable shall be
black and with length of 1.8 meter.
Connector Pin Assignment:
B. DVI-D (Digital TMDS) Connector
A. D-SUB
1. (continued) Product Specification
C. HDMI Connector
D. Flat Panel Connector
Pin Signal Description
1 Red-Video Red video signal input
2 Green-Video Green video signal input
3 Blue-Video Blue video signal input
4 GND Ground
5 Self Test Detect VGA Cable have connected or not
6 Red-GND Analog signal ground for the Red video
7 Green-GND Analog signal ground for the Green video
8 Blue-GND Analog signal ground for the Blue video
9 + 5V
+5 input from host system for the VESA DDC2Bi
function
10 DDC-GND Signal ground
11 GND Ground
12 DDC-SDL
SDA signal input for the VESA
DDCB2i function
13 H-SYNC Horizontal signal input from host system
14 V-SYNC Vertical signal input from the host system
15 DDC-SCL SCL signal input for the VESA DDC2Bi function
PIN NO SYMBOL FUNCTION
1 RXOIN0- Negative LVDS differential data input(Odd Data)
2 Positive LVDS differential data input(Odd Data)
3 RXOIN1- Negative LVDS differential data input(Odd Data)
4 Positive LVDS differential data input(Odd Data)
5 RXOIN2-
Negative LVDS differential data input(Odd Data,
DSPTMG)
6
Positive LVDS differential data input(Odd Data,
DSPTMG)
7 GND Power Ground
8 RXOCLK- Negative Sampling Clock input (ODD clock)
9 Positive Sampling Clock input(ODD clock)
10 RXOIN3- Negative LVDS differential data input(Odd data)
11 Positive LVDS differential data input(Odd data)
12 RXEIN0- Negative LVDS differential data input(Even data)
13 Positive LVDS differential data input(Even data)
14 GND Power Ground
15 RXEIN1- Negative LVDS differential data input(Even data)
16 Positive LVDS differential data oinput(Even data)
17 GND Power Ground
18 RXEIN2- Negative LVDS differential data input(Even data)
19 Positive LVDS differential data input(Even data)
20 RXECLK- Negative Sampling clock input(Even clock)
21 Positive Sampling clock input(Even clock)
22 RXEIN3- Negative LVDS differential data input(Even data)
23 Positive LVDS differential data input(Even data)
24 GND Power Ground
25 NC No connection(For AUO test only. Do not connect)
26 NC No connection(For AUO test only. Do not connect)
27 VDD
28 VDD
29 VDD
30 VDD
Power Supply: +5V
Pin Signal Pin Signal
1 TMDS Data 2+ 11 TMDS Clock Shield
2 TMDS Data 2 Shield 12 TMDS Clock-
3 TMDS Data 2- 13 CEC
4 TMDS Data 1+ 14 Reserved
5 TMDS Data 1 Shield 15 SCL
6 TMDS Data 1- 16 SDA
7 TMDS Data 0+ 17 DDC/CEC Ground
8 TMDS Data 0 Shield 18 +5V Power
9 TMDS Data 0- 19 Hot Plug Detect
10 TMDS Clock+
Pin Signal Pin Signal
1 TMDS Data 2- 13 NC
2 TMDS Data 2+ 14 +5V P OWE R
3 TMDS Data GND 15 S elf Test
4 NC 16 Hot Plug Detect
5 NC 17 TMDS Data 0-
6 DDC Clock 18 TMDS Data 0+
7 DDC Data 19 TMDS Data GND
8 NC 20 NC
9 TMDS Data 1- 21 NC
10 TMDS Data 1+ 22 TMDS Clock GND
11 TMDS Data GND 23 TMDS Clo ck +
12 NC 24 TMDS Clock -
3
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ACER A211H/A221HQ