Dell E2223HN Instrukcja serwisowa - Strona 8
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Service Manual
7. Remove PCBA 1
a.
Remove mylar (squared in red in the
S7
upper picture)
b. Remove grounding screw "1" then
locking screws marked "2~5" with
electric screwdriver
c.
Torque: 5.5 +/- 0.5Kgf/cm, Phillips
screwdriver
8. Remove PCBA 2
a.
Remove PI board and IF board
b. Separate PI board from IF board
Remove LVDS Cable and Light Bara
9.
a.
Remove light bar from PI board (grasp
on Pin then pull upwards to remove)
b. Remove LVDS cable from IF board (lift
cover before remove)
Remove Keypad
10.
a.
Remove keypad from front cover
S10
(loosen hook circled in red first)
11.
Remove Components on PI Board 1
a.
Remove electrolyte capacitor >25mm height
(squared in red) from printed circuit boards
b. Cut the glue between bulk cap and PCBA with
knife – ensure cutting path within the glue,
don't touch bulk cap and PCBA
12.
Remove Components on PI Board 2
a.
Take out the capacitor pin solder with
soldering iron
b. Lift the bulk capacitor away from power
board
8