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TROUBLESHOOTING & REPAIR
F-60 F-60
RANGER 305D
(+) Lead (-) Lead Diode Bias
and Expected
Test Result
AC1 DC(+) FORWARD BIAS
(Low Resistance)
AC2 DC(+) FORWARD BIAS
(Low Resistance)
AC3 DC(+) FORWARD BIAS
(Low Resistance)
DC(-) AC1 FORWARD BIAS
(Low Resistance)
DC(-) AC2 FORWARD BIAS
(Low Resistance)
DC(-) AC3 FORWARD BIAS
(Low Resistance)
AC1 DC(-) REVERSE BIAS
(High Resistance)
AC2 DC(-) REVERSE BIAS
(High Resistance)
AC3 DC(-) REVERSE BIAS
(High Resistance)
DC(+) AC1 REVERSE BIAS
(High Resistance)
DC(+) AC2 REVERSE BIAS
(High Resistance)
DC(+) AC3 REVERSE BIAS
(High Resistance)
11. Reconnect all leads.
12. Perform the Case Cover replacement Procedure.
TABLEF.1 – DIODE TEST TABLE
Test Instrument
Rectifier Terminal Connections