(LEFT) 11 NEG POS 13 12 NEG POS 14
(RIGHT) 16 NEG POS 18 15 NEG POS 17
FIGURE F.3 – RIGHT SIDE AND TEST POINTS
SWITCH BOARD TEST PROCEDURE (CONTINUED)
TROUBLESHOOTING & REPAIR
F-15 F-15
POWER WAVE 655/R
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TABLE F.1 – SWITCH BOARD RESISTANCE TEST POINTS
POSITIVE
METER
PROBE
NEGATIVE
METER
PROBE
DIGITAL
METER
(TYPICAL)
ANALOG
METER (X1000)
TYPICAL
POS (19) 11(16) or 13(18) > .5 MΩ>5kΩ
POS (21) 12(15) or 14(17) > .5 MΩ>5kΩ
11(16) or 13(18) POS (19) < .5 MΩ<2kΩ
12(15) or 14(17) POS (21) < .5 MΩ<2kΩ
NEG (20) 11(16) or 13(18) < .5 MΩ<2kΩ
NEG (22) 12(15) or 14(17) < .5 MΩ<2kΩ
11(16) or 13(18) NEG (20) > .5 MΩ>5kΩ
12(15) or 14(17) NEG (22) > .5 MΩ>5kΩ
NOTE: A suspect board should be re-checked after removal from the machine. The actual readings may
be different at that time but all similar test points should be comparable. If not, the board is
probably defective.