[TenTec] Non working clock in OMNI VI ?

[dbp at tds.net]

Hi-
 I have an OMNI VI option 3 whose clock does not work. I replaced the battery (positive side up) and exercised all the connectors. It reads 02:04 when CCd is set to ON. When the clock is reset it will accept the new time up until the last digit is entered, then it will revert back to 0204 and not advance with time.
 Any ideas? Suggestions?

73 de Dave in NH