Cha nge the Batte ry.
No
No
Re -inse rt FFC cable corre ctly.
No
Cha nge OP 12 or cha nge the
FRONT PANEL PCB.
Yes
Yes
Yes
Re mote Ba ttery OK?
(1)
OP 12 Pin 1 s iga nl OK?
Re mote co ntrol does not work
If the re is not signal on MAIN PCB
IC23 P IN 7, Change MAIN PBA
or FFC Ca ble .
Is the FFC Ca ble
(be twee n Front panel & MAIN)
OK?
* Re fe r to wave patte rn
ima ge of Fig. 4-3.