KEPCO KIT 219-0452, BIT 4886 Firmware Upgrade for BOP 100-1M-4886-25968 - Manual (Page 2)

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228-1481 REV 3 021704
KEPCO, INC. " 131-38 SANFORD AVENUE " FLUSHING, NY. 11352 U.S.A. " TEL (718) 461-7000 " FAX (718) 767-1102
http://www.kepcopower.com " email: [email protected]
3. Remove the BIT 4886 Interface card from the BOP as follows (See Figure 1):
NOTE:Numbers in circles of Figure 1 refer to numbered steps below:
Step 1. Unplug 3 pin Connector from Transformer at BIT 4886 Card, Location #3.
Step 2. Unplug Cable #2 (5-position connectors) from the BIT 4886 Interface Card.
Step 3. Unplug Cable #1 (18-position connectors) from the BIT 4886 Interface Card.
Step 4. Remove the knurled nuts and lockwashers securing the BIT 4886 Card to hex spacers and
remove BIT 4886 Card by sliding to front of BOP, then rotating away from A1.
FIGURE 1. BIT CARD REMOVAL
4. A brown IC socket located towards the rear of the unit contains the PROM. Locate the small depression
or notch in the PROM as shown in Figure 2. This is pin 1 of the PROM.
CAUTION: FAILURE TO USE AN ESD WRIST STRAP MAY DAMAGE THE PROM!
5. Connect the wrist strap to the chassis of the BOP. Place the strap on your wrist as indicated by the
instructions for the wrist strap.
6. Touch the IC tube to the chassis of the BOP. Open one end.
7. Use the extractor and insert the hook, first into one slot and then the other, and gently pry out the PROM.
Place the PROM in the tube and close the tube.