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Service Manual
1. Remove Rear Cover Screw
Remove screws "1~4" on rear cover with electric
screwdriver. Torque: 12.0 ± 0.5Kgf/cm
2. Remove Rear Cover 1:
Panel side down, remove rear cover with both
hands in sequence of "1->2->3", then "1->4->5->6"
3. Remove Rear Cover 2:
a.
Set up rear cover, remove mylar "1"
b.
Remove keypad cable "2"
c.
Remove light bar "3"
5. Disassembly Procedure
10
4. Remove Keypad:
a.
Remove keypad cable in sequence of "1, 2, 3"
b.
Remove screws "5, 6" with electric screwdriver.
Screwdriver torque: 2.5 ± 0.5 Kgf/cm
c.
Separate keypad and rear cover
5. Remove Light Bar and USB Cable:
a.
Remove acetate tape "1", grasp on pin, then
remove light bar cable horizontally
b. Remove aluminium foil "2", lift up USB pin cover,
then remove USB cable
6. Remove Chassis and USB Board Screws：
a.
Remove chassis screws "1~4" and USB board screw
"5" with electric screwdriver. Torque: 3.5 ±
0.5Kgf/cm
b. Remove USB board
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