 |
FECO: | RTC # 2 |
| MODIFICATION No: | RTC /1 | |
| PRODUCT: | ALL | |
| SUB-ASSEMBLY | RTC TYPES HPS 9717
HPS 9716 |
|
| ESTIMATED MAN HOURS | N/A | |
| CLASS OF CHANGE: | MANDATORY BY PRODUCTION BEFORE SHIPPINGOUR REWORK | |
| REASON FOR CHANGE: | FIRMWARE UPDATE |
FECO RTC # 2
|
FECO: | RTC # 2 |
| MODIFICATION No: | RTC /1 | |
| PRODUCT: | ALL | |
| SUB-ASSEMBLY | RTC TYPES HPS 9717
HPS 9716 |
|
| ESTIMATED MAN HOURS | N/A | |
| CLASS OF CHANGE: | MANDATORY BY PRODUCTION BEFORE SHIPPINGOUR REWORK | |
| REASON FOR CHANGE: | FIRMWARE UPDATE |
Reason
We have been advised that new style rtcs shipped before 31st December 1994 may exhibit hangs due to a bug in the firmware.
Change
Replace firmware located at U30 with new firmware part no. 22-300149-1. Replacement firmware must be identified with a label marked 22-300149-1.
Ffo
Testing
Perform a full functional test.
Recording action
Fix a modification label to the underside of the rtc.
Strike through, but do not obliterate 1.
(tech serv ref 19/8/1)