Basic HTML Version
483
Section 6B - Place Diagnostics in Test 03
SWITCH TROUBLESHOOTING CHART
1
SWITCH
Always Actuated
1. Check contacts
2. Check shorted wires
Never Actuates
1. Check adjustment
2. Check broken wires
3. Check for open diode
by jumpering across
diode and actuating.
4-8 SWITCHES
Always Actuated
1. Check adjustments
2. Check shorted wires
on playfield or to
212,213
3. Replace Driver Board
Never Actuated
1. Check adjustment
2. Check broken wires on
playfield or 212, 213
3. Check plug 8P1I811 for
broken wires or pushed
out pins
4. Replace Driver Board
Switch Closure Displays
Multiple Switch Numbers
1 Check adjustments
2. Check shorted wires on
playfield or to 2J2, 213
3. Replace Driver Board
ALL SWITCHES
1. Check adjustments
2. Check Connectors
212,213, are not
exchanged
3. Replace Driver.Board
Switch Displays Incorrect No.
1. Check correct switch chart
for game and check adjustment
2. Incorrect wiring on playfield
2J2,2J3,or8Pl/8Jl
3. Check Connector keying
Section 6C - Place Diagnostics in Test 02
SOLENOID TROUBLESHOOTING CHART
1SOLENOID
Never Actuates
1. Check solenoid Chart
to verify number
correct and in use
2. Broken wire to solenoid
3. Shorted diode across
solenoid
4. Shorted/burned out
solenoid
5.
Open driver for that
solenoid - replace
Driver Board
Always Actuated
1. Shorted wire for that
solenoid
2. Shorted driver for that
solenoid on Driver Board -
replace Driver Board
1 FLIPPER
Never Operates
1. Switch contacts on flipper button open or out of
adjustment.
2.
Shorted diode across coil.
Flipper Weak
1. Switch contacts on flipper button out of adjustment
or pitted contacts.
2.
End of stroke switch on solenoid not adjusted
properly.
3. Check connections on solenoid and check for bind.
Operates with Game Over, etc.
1. Short in wiring to Driver Board
2. Short on Driver Board or stuck 2Z1 Relay Contacts.
22
FLIPPERS
ALL SOLENOIDS
Never Actuated
1. Check for
+
28 VDC on
Power Supply fuse 3F2
to ground
2. Check fuse 3F2 on
Power Supply
.31 Check Connectors 3J3
and 3J4 on Power Supply
4. Check Connector 2J9, 2110,
2111,2112 for broken/shorted
wires.
5. Replace Driver Board
BOTH FLIPPERS
Never Operate
1. Check Fuse 8Fl on Playfield and 6P2 connection.
2. Diode or resistor in driver circuit shortened.
3. Relay 2Z1 on driver board faulty.
4. Other fault in driver circuit. Replace driver board.
Operates with Game Over, etc.
1. Faulty driver circuit on Driver Board.
2. Other fault on Driver Board.