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F-27
TROUBLESHOOTING & REPAIR
F-27
IDEALARC SP-250
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TEST POINTS KEY PRESSED MAXIMUM ALLOWABLE
RESISTANCE
(TYPICAL RESISTANCE)
FROM PIN TO PIN
1J2 6J2 CENTER UP ARROW 100 OHMS (30 TYPICAL)
1J2 8J2 CENTER DOWN ARROW 100 OHMS (30 TYPICAL)
1J2 2J2 MEMORY 3 100 OHMS (30 TYPICAL)
1J2 4J2 SWITCH SET DISPLAY 100 OHMS (30 TYPICAL)
2J2 9J2 MEMORY 5 100 OHMS (30 TYPICAL)
2J2 7J2 MEMORY 4 100 OHMS (30 TYPICAL)
2J2 3J2 MEMORY 2 100 OHMS (30 TYPICAL)
2J2 5J2 MEMORY 1 100 OHMS (30 TYPICAL)
3J2 6J2 LEFT UP ARROW 100 OHMS (30 TYPICAL)
3J2 8J2 LEFT DOWN ARROW 100 OHMS (30 TYPICAL)
3J2 4J2 SPOT 100 OHMS (30 TYPICAL)
4J2 9J2 TOGGLE 100 OHMS (30 TYPICAL)
4J2 7J2 IMP VOLTS 100 OHMS (30 TYPICAL)
4J2 5J2 TIMERS OFF 100 OHMS (30 TYPICAL)
5J2 6J2 AUTO 100 OHMS (30 TYPICAL)
5J2 8J2 PROCESS WIRE/GAS 100 OHMS (30 TYPICAL)
6J2 9J2 MANUAL 100 OHMS (30 TYPICAL)
6J2 7J2 RIGHT UP ARROW 100 OHMS (30 TYPICAL)
7J2 8J2 RIGHT DOWN ARROW 100 OHMS (30 TYPICAL)
8J2 9J2 SAVE 100 OHMS (30 TYPICAL)
SP-250 KEYPAD RESISTANCE TEST
TABLE F.1 - SP-250 KEYPAD RESISTANCE TESTS
NOTE: THERE SHOULD NOT BE CONTINUITY BETWEEN PINS UNTIL A KEY IS PRESSED ON THE KEYPAD.