ROV CPU Printed Circuit Board Removal Procedures

Time required for this step: Approximately 5 Minutes

Tools required for this step:

• #1 Phillips Head Screw Driver
• 1/4 Inch Open End Wrench or Nut Driver

Parts involved in this step:

PRO4-SUB-CPU19 ROV CPU Printed Circuit Board

Quantity	Part Number	Part Description
1	PRO4-SUB-CPU19	Circuit Board ROV CPU (Pro 4)
1	HF30U-03-ND	Cable 3" Ribbon 30 Conductor
4	91772A116	Screw #4-40 x 1-1/4" Pan Head Phillips SS
4	91831A005	Nut #4-40 x 1/4" Nylock
4	881K-ND	Spacer #4 x 7/8" Nylon

Steps

1. Loosen the ribbon cable connector clamp on the ROV CPU board, and disconnect the ribbon cable from the ROV CPU board.

2. Remove the four 4-40 Nylock nuts that hold the ROV CPU board to the ROV power control board.

3. Separate the ROV CPU board from the ROV power control board.

4. Remove the four #4 X 7/8 inch spacers and 4-40 X 1-1/4 inch Phillips head screws from the ROV power control board.

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