Midway Hydro Thunder, Operation Manual

Page: 85 / 105

Wiring 5-10
DIEGO INTERFACE BOARD LED INDICATOR STATUS CHART
DESIGNATION LOCATION FUNCTION COLOR STATE MEANING
LED 1
(D1)
MIDDLE CENTER
NEAR JP12 & U10
INDICATOR GREEN OFF NOT IN USE
ON LOCKED UP
(NOTE 1)
BLINKING NORMAL
OPERATION
LED 2
(D2)
MIDDLE CENTER
NEAR JP12 & U10
INDICATOR RED OFF NOT IN USE
ON LOCKED UP
(NOTE 1)
BLINKING NORMAL
OPERATION
LED 3
(D3)
MIDDLE CENTER
NEAR JP12 & U10
INDICATOR GREEN OFF NOT IN USE
ON LOCKED UP
(NOTE 2)
BLINKING NORMAL
OPERATION
LED 4
(D4)
MIDDLE CENTER
NEAR JP12 & U10
INDICATOR RED OFF NOT IN USE
ON LOCKED UP
(NOTE 2)
BLINKING NORMAL
OPERATION
LED 5
(D5)
UPPER LEFT
NEAR JP13 & L37
POWER
INDICATOR
RED OFF NO
POWER
ON NORMAL
OPERATION
BLINKING POWER FAULT
(NOTE 3)
NOTES:
1. LED 1 and LED 2 are active on all versions of this board. LEDs may flash together during game start
up. If these LEDs are always ON, there may be a fault that has caused the game freeze or lock up.
2. LED 3 and LED 4 are active on some versions of this board. May flash together during game start up.
If these LEDs are always ON, there may be a fault that has caused the game to freeze or lock up.
3. LED 5 monitors a regulated power supply voltage source. Must be on continuously at all times. Flash
or blinking indicates an intermittent connection, a power problem, a circuit fault, etc.