Backplane Board
USA MAV500/MKVI Service Manual
12-20
28-00486-00
This document contains confidential information which is proprietary to ATI. It may not be disclosed to any unauthorized parties,
and it may not be copied. All rights reserved.
© Copyright (ATI) Aristocrat Technologies, Inc. 2002.
Monitor, P4
The video connector connects to an IBM VGA standard monitor. It also has
facility for a touchscreen monitor.
Pin
Pin Name
Connects to ...
Function
1
HSYNC
P22-C12
Horizontal Synchronisation Signal
2 Keyway
Plastic key way
3
GND_RED
P22-C9
Return path for Red video signal
4
RED
P22-B9
Red video signal
5
GND_BLUE
P22-A11
Return path for Blue video signal
6
BLUE
P22-A10
Blue video signal
7
RS232Rx
P22-A8
Received Data from Touchscreen
8
GND_SYNC
P22-C11
Video reference signal
9
VSYNC
P22-B11
Vertical Synchronisation Signal
10 Keyway
Plastic key way
11
GND_GREEN
P22-B10
Return path for Green video signal
12
GREEN
P22-C10
Green video signal
13
GND
GND
Return path for Touchscreen
signals
14
RS232Tx
P22-A7
Touchscreen Transmitted Data
Speakers, P5
Pin
Pin Name
Connects to ...
Function
1
SPEAKER
JP22-A12
Sound Signal (stereo 1st (Left) speaker)
2 SPKRGND
JP22-B13
Speaker
Gnd
3
SPEAKER2
JP22-A13
Sound Signal 2 (stereo 2nd (Right)
speaker)
4 SPKRGND
JP22-B13
Speaker
Gnd
5 -
-
-
6 -
-
-
7 Keyway
Plastic Keyway
8
GND
GND
Ground Lug or braid
9
GND
GND
Ground Lug or braid
10 -
-
-
11 -
-
-
12 -
-
-