User's Manual

53
1) Insert a flat tip driver into the left down groove of panel frame and snap it out smoothly.
2) Separate 2 housings of 10P / 7P from Front PCB. (Do not hold only wires to pull out.)
3) Unscrew (7 points) to remove Front PCB.
* Follow the reverse order when assembling.
How to replace Front PCB
Change the Main Fuse
(AC250V 15A)
(In the left side of
machine compartment)
Start
Power cord or Fuse
is disconnected ?
1’st power of SMPS
is on?
Main PCB Fuse is
disconnected?
Voltage
(DC12V/14.5V/5V) on
Main PCB is OK?
Wire connection
of F-PCB is OK?
Check power Cord connection
from machine compartment and
to CN1 of M-PCB.
Change F-PCB AS.
Change Main PCB
Change the Fuse
(AC250V 3.15A)
(on the Main PCB)
Y
N
N
Y
N
Y
Y
N
Y
N
Checkup and connect
F-PCB wires.
9-1. Faulty Start (F/R lights OFF , F-PCB Power OFF)
Refer to the 5-1.
(Power circuit diagram)
9. TROUBLE DIAGNOSIS