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Replacement
Instructions
01/28/04
5-5
REPLACING THE CPU PCB
1.
Disconnect all cables [1] from the CPU PCB.
2.
If an optional RS-485 or Pump I/F PCB is installed, remove the two Phillips screws [2]. Pull
the optional PCB off of the CPU PCB.
3.
Remove the screws from the CPU PCB and unsnap PCB from standoffs.
4.
Remove the program IC from socket U18 [3] and the memory IC from socket U19 [4] of the
defective CPU PCB by gently prying with a slotted screwdriver.
5.
Install the old program IC and memory IC into sockets U18 and U19 on the new CPU PCB.
Be careful to observe proper pin orientation.
6.
Reverse Steps 1 through 3 to install the new CPU PCB.
7.
Verify that the switch settings on the new CPU PCB are correct. See the switch settings in
Section 3, Electronic Head Assembly for verification.
Summary of Contents for SERIES 9800Q
Page 6: ......
Page 9: ...Chassis Wiring 01 28 04 2 3 115VAC 60 CYCLE PUMP WIRING ...
Page 10: ...GASBOY Series 9800Q 2 4 01 28 04 115VAC 60 CYCLE DISPENSER WIRING ...
Page 11: ...Chassis Wiring 01 28 04 2 5 230VAC 50 CYCLE PUMP WIRING ...
Page 12: ...GASBOY Series 9800Q 2 6 01 28 04 230VAC 50 CYCLE DISPENSER WIRING ...
Page 13: ...Chassis Wiring 01 28 04 2 7 115VAC 60 CYCLE FRONT LOAD OPTION PUMP WIRING ...
Page 14: ...GASBOY Series 9800Q 2 8 01 28 04 115VAC 60 CYCLE FRONT LOAD OPTION DISPENSER WIRING ...
Page 15: ...Chassis Wiring 01 28 04 2 9 230VAC 50 CYCLE FRONT LOAD OPTION PUMP WIRING ...
Page 16: ...GASBOY Series 9800Q 2 10 01 28 04 230VAC 50 CYCLE FRONT LOAD OPTION DISPENSER WIRING ...
Page 35: ...Electronic Head Assembly 01 28 04 3 19 Connectors Relay Drive Pump Motor Power ...
Page 56: ......
Page 60: ...GASBOY Series 9800Q 5 4 01 28 04 ...
Page 67: ...Replacement Instructions 01 28 04 5 11 ...
Page 70: ......