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F-16
207
J21
TEST PROCEDURE
1. Remove input power to the POWER WAVE
355M/405M.
2. Using a 5/16" nut driver, remove the case
wraparound.
3. Perform the Input Filter Capacitor Discharge
Procedure detailed earlier in this section.
TROUBLESHOOTING AND REPAIR
MAIN SWITCH BOARD TEST (continued)
FIGURE F.2 – MAIN SWITCH BOARD LEAD LOCATIONS
-
-
+
+
201
208
-
-
+
+
203
2
POWER WAVE
202
-
-
+
+
204
205
-
-
+
+
206
®
4. Using a 7/16" wrench locate, label and remove
leads 201, 202, 203, 204, 205, 206, 207 and
208 from the switch board.
washer placement for reassembly. Clear leads.
5. Using the Analog ohmmeter, perform the resis-
tance tests detailed in Table F.1. Refer to figure
F.2 for test point locations. Note: Test using an
Analog ohmmeter on the Rx1 range. Make sure
the test probes are making electrical contact
with the conductor surfaces on the PC board.
®
355M/405M
F-16
J22
209
J20
Note lead and
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