Panasonic KX-TG5521CAB / KX-TGA551RUB (serv.man2) Service Manual ▷ View online
45
KX-TG5521CAB/KX-TGA551RUB
ԛ
Remove the screw to
remove the operational P.C. board.
remove the operational P.C. board.
Operational P.C. board
ԛ
Screw
46
KX-TG5521CAB/KX-TGA551RUB
10.1.2. Handset
Ԙ
Remove the 4 screws.
ԙ
Insert a JIG (PQDJ10006Y)
between the cabinet body
and the cabinet cover, then
pull it along the gap to open
the cabinet.
between the cabinet body
and the cabinet cover, then
pull it along the gap to open
the cabinet.
Ԛ
Likewise, open the other
side of the cabinet.
side of the cabinet.
ԛ
Remove the cabinet cover
by pushing it upward.
by pushing it upward.
Ԝ
Remove the solders and tape.
ԝ
Remove the screw to remove
the main P. C. board.
the main P. C. board.
Cabinet cover
Cabinet body
Cabinet cover
4 screws
Ԙ
Main P.C. board
Ԝ
Screw
ԝ
Solders and
Tape
Tape
47
KX-TG5521CAB/KX-TGA551RUB
10.1.3. Charger Unit
①
Screw
②
Solders
Main P.C. board
Cabinet cover
①
Remove the screw to remove
the cabinet cover.
the cabinet cover.
②
Remove the solders to remove
the 2 charge terminals.
the 2 charge terminals.
2 charge terminals
③
Screw
③
Remove the screw to remove
the main P.C. board.
the main P.C. board.
48
KX-TG5521CAB/KX-TGA551RUB
10.2. How to Replace the Handset LCD
Note:
The illustrations are simplified in this page.
They may differ from the actual product.
They may differ from the actual product.
Peel off the FFC (Flexible Flat Cable) from
the LCD, in the direction of the arrow. Take
care to ensure that the foil on the P.C. board
is not damaged.
the LCD, in the direction of the arrow. Take
care to ensure that the foil on the P.C. board
is not damaged.
Fit the heatseal of a new LCD.
Rubber of Soldering Iron
(Part No. PQZZ430PRB)
(Part No. PQZZ430PRB)
Tip of Soldering Iron
(Part No. PQZZ430PIR)
Heatweld with the tip of the soldering
iron about 5 to 8 seconds
(in case of 60W soldering iron).
iron about 5 to 8 seconds
(in case of 60W soldering iron).
New LCD
0.2 mm
0.2 mm
P. C. board
If interval tolerance between center lines
is less than 0.2 mm, it is o.k.
is less than 0.2 mm, it is o.k.
Horizontal Interval
Tolerance
Tolerance
Vertical Interval
Tolerance
Tolerance
OK
NG
NG
NG
(Horizontal interval tolerance is
more than 0.2 mm.)
more than 0.2 mm.)
(Vertical interval tolerance is
more than 0.2 mm.)
more than 0.2 mm.)
(Inclined)
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