How To Replace The Base Unit Lcd - Panasonic KX-TG3721BXB Service Manual

KX-TG3721BX/KX-TG3722BX/KX-TGA371BX

11.2. How to Replace the Base unit LCD

Fit the heatseal of a new LCD.
Operational P.C.B.
Heatweld with the tip of the soldering
iron about 5 to 8 seconds
(in case of 60W soldering iron).
Tip of Soldering Iron
(Part No. PQZZ430PIR)
Rubber of Soldering Iron
(Part No. PQZZ430PRB)
Vertical Interval
Tolerance
0.2mm
New LCD
48
Horizontal Interval
Tolerance
0.2mm
If interval tolerance between center lines
is less than 0.2 mm, it is o.k.
OK
NG
(Inclined)
NG
(Vertical interval tolerance is
more than 0.2 mm.)
NG
(Horizontal interval tolerance is
more than 0.2 mm.)