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TROUBLESHOOTING AND REPAIR |
CONTROL OR POWER BOARD REMOVAL AND REPLACEMENT (continued)
FIGURE F.22 — CONTROL OR POWER BOARD REMOVAL AND REPLACEMENT.
COMPARTMENT
COVER
CONTROL | POWER |
BOARD | BOARD |
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REMOVAL PROCEDURE
1.Remove input power to the Power Wave 455.
2.Using the 3/8 in. nutdriver, remove the case top and sides.
3.Perform the Capacitor Discharge
Procedure.
4.Observe all static electricity precau- tions.
5.Using the 3/8 in. nutdriver, remove the PC board compartment cover. Refer to Figure F.22.
6.Remove the eight molex plugs from the control board.
7.Remove the two molex plugs and white and black wires with quick connects from the power PC board.
8.Using the 3/8 in. nutdriver, remove the two screws holding the rear of the Control Box in place.
9.Clear the lead harnesses from the left and right sides and carefully remove the power and control PC board assembly.
10.Using the Phillips head screwdriver, remove either the power or the control board from the PC board assembly.
