USA MAV500/MKVI Service Manual
Backplane Board
28-00486-00
12-19
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.
12.3.3
Backplane Peripheral Connectors
The MAV/6 Backplane routes the various peripheral connectors to the Main Board
and the I/O Driver Board. The peripheral connectors are outlined below.
Debug, P1
Pin
Pin Name
Connects to ...
Function
1 KIN
JP22-C18
Keyboard
In
2 KOUT
JP22-B18
Keyboard
Out
3
GND GND Ground
4
VCC VCC 5V
This port is not usually loaded on the Backplane.
Light Tower / Meters / BACC Security, P2
Pin
Pin Name
Connects to ...
Function
1
24V 24V 24V
for
Meters
2
24V 24V 24V
for
Meters
3
24V 24V 24V
for
Meters
4
24V 24V 24V
for
Meters
5 HM1
J1-A24
Meter
1
6 HM2
J1-B24
Meter
2
7 HM3
J1-A25
Meter
3
8 HM4
J1-B25
Meter
4
9 HM5
J1-A26
Meter
5
10 HM6
J1-B26
Meter
6
11
5V
VCC
5V power for meters
12
GND GND Gnd
for
Meters
13
24V 24V 24V
for
Meters
14
24V 24V 24V
for
Meters
15
24V
24V
24V Light Tower Lamps
16
24V
24V
24V Light Tower Lamps
17
SEC_NC
J3-A28
Battery-backed Belly Panel Door Security
Switch, Normally Closed Contact
18
SEC_NO
J3-B28
Battery-backed Belly Panel Door Security
Switch, Normally Open Contact
19
SEC_COM
J3-A29
Battery-backed Belly Panel Door Security
Switch, Common Contact
20
LTL1
J1-A27
Light Tower Lamp 1
21
LTL2
J1-B27
Light Tower Lamp 2
22
LTL3
J1-A28
Light Tower Lamp 3
23
LTL4
J1-B28
Light Tower Lamp 4
24
GND GND Gnd
for
Meters
Logic Door, P3
Pin
Pin Name
Connects to ...
Function
1
LDOR_NO
J2-A4
Logic Door Security - Normally Open
contacts
2
LDOR_NC
J2-A3
Logic Door Security - Normally Closed
contacts
3
LDOR_COM
J2-B3
Logic Door Security - Common
4 GND
GND
Ground