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TROUBLESHOOTING & REPAIR
POWER MODULE TEST (continued)
FIGURE F.27 – DIODE MODULE TEST
DIODE MODULES
AND HEAT SINKS
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CHECK DIODE MODULE
8.Using the analog ohmmeter, connect the negative meter probe to the terminal on the diode module. See Figure F.27. Connect the positive meter probe to the heat sink. The resistance should be very high (over 20,000 ohms).
9.Using the analog ohmmeter, connect the positive meter probe to the terminal on the diode module. See Figure F.27. Connect the negative meter probe to the heat sink. The resistance should be low (approximately 1000 ohms).
10.Reconnect all leads and sheet metal previ- ously removed.
11.Torque the capacitor nuts to
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