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12.6. DISASSEMBLY OF CIRCUIT
BOARD
12.6.1. Control PCB.
1. Unscrew 4 screws.
2. PCB cover is removed to insert the screw driver (-) into
the triangle mark at right and left side.
CAUTION
• It transforms it when forcibly removing from the different
location.
• When the transformed PCB cover is assembled, the
insulation of the Control PCB. substrate becomes insuffi-
cient.
3. Remove the CONTROL PCB.
CAUTION
Do not touch the control PCB within 3 minutes.
Because of electric discharge of a condenser on the
PCB.
a. When take out Control PCB, remove 8 pieces of con-
nector.
It pulls connector out straight.
b. Then push 3 Hooks and take it out forward.
CAUTIONS ON ASSMBLING
• It is noted that PCB doesn't crack at the time of removing
connector and connecting.
• Arrange the lead wire so that it well not loosen.
• When fixing PCB cover, PCB cover should be set inside of
hook (downward 4 points). And make sure the PCB cover
have no deformation, no float, no stuck of cord, then put it
back.
CAUTION WHEN REPLACEING THE CONTROL BOARD
• When replacing the control board, temperature regulation
settings for the operation buttons revert to factory shipping
status.
• Make a memo of the previous settings and return to these
settings after replacement.
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