Philips 22PFL4507/F7 Service Manual page 15

• To prevent the Screw from being stripped, the screw
tightening torque should be 13.23 lbf·in(6 kgf·cm) for
the Rear Frame Screw and 5.512 lbf·in(2.5 kgf·cm)
for the LED Heat Sink Assembly Screw.
• Do not pull the FFC Cable and Board Cable
forcefully when you re-assemble.
2. When you disassemble/re-assemble the
Function CBA on the Front Cabinet
• Detach the Function CBA, which is attached on the
Front Cabinet with double-sided tape, without
breaking it.
• When you put the Function CBA back on the New
Front Cabinet, you need to use specified new
double-sided tape and put the Function CBA onto
the New Front Cabinet with equal pressure to the
Board. (The gap more than 0.015 inch (0.4 mm)
[2] Stand Assembly
[1] Rear Cover
(S-3)
between the Front Cabinet and Function CBA will
impair the sensor sensitivity.)
• Prepare for substitutional Function CBA in case you
break it when you detach it from the Front Cabinet.
3. Performance Test after reassembling the LCD
Panel Assembly
• After you swap any of the Front Cabinet, Rear Frame
or Function CBA, you need to make sure that there
is no Gomikami/Black Spot with foreign material or
Mura/White Spot on the display screen.
• Make sure there is no malfunction on the display
screen by checking the White Mode and White 20%
Mode in the Purity Check Mode.
• Check the operational sensitivity on Touch Sensor
Control Panel to make sure everything functions
normally.
TYPE A
TYPE B
4-2
(S-1)
(S-1)
(S-2)
(S-1)
(S-1)
(S-2)
Fig. D1
PL12.0-AB_DC