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TROUBLESHOOTING & REPAIR
OUTPUT DIODE MODULES TEST (continued)
FIGURE F.7 Machine Output Terminals
STATUS | THERMAL |
_
+
NEGATIVE | POSITIVE |
OUTPUT | OUTPUT |
TERMINAL | TERMINAL |
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TEST PROCEDURE
1.Remove input power to the POWER WAVE 355/405.
2.Locate the output terminals on the front panel of the machine. See Figure F.7.
3.Remove any output cables and load from the output terminals.
4.Using the analog ohmmeter test for more than 200 ohms resistance between positive and negative output terminals. Positive test lead to the positive terminal; Negative test lead to the negative terminal. See Figure
F.8.
NOTE: The polarity of the test leads is most important. If the test leads polarity is not cor- rect, the test will have erroneous results.
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