Specifications

455 Operation Manual Page 25 6/23/98
Receiver LCD display Any of the situations de-
indicates an AFC alarm. scribed above for a CXR
alarm may, under some con-
ditions, also cause an AFC
alarm.
The receiver may be tuned to
a wide deviation channel
which it is unable to track.
LCD display is garbled Ribbon cable connecting
or inconsistent with display circuit board to the
normal operation. main circuit board may have
come loose due to rough han-
dling in shipping. See Sec-
tion 5-13 to remove cover.
Carefully align cable and
press firmly into socket on
main circuit board.
Socketed integrated circuit
devices may have come loose
due to rough handling in
shipping. See Section 5-13
to remove cover. Firmly
press these devices to seat
them in their sockets (par-
ticularly U1, U6, & U9 which
are located behind and to
the right of the display.