Panasonic KX-TGC310RU / KX-TGC312RU / KX-TGC320RU / KX-TGC322RU / KX-TGC310UC / KX-TGC312UC / KX-TGC320UC / KX-TGCA30RU Service Manual ▷ View online
45
KX-TGC310/KX-TGC312/KX-TGC320/KX-TGC322/KX-TGCA30
KX-TGC310/KX-TGC312/KX-TGC320/KX-TGC322/KX-TGCA30
KX-TGC310/KX-TGC312/KX-TGC320/KX-TGC322/KX-TGCA30
10.1.2. Handset
Cabinet body
Cabinet cover
Cabinet cover
Screw
շ
յ
Solders
Main P.C. board
2 charge terminals
ձ Remove the 2 screws.
ղ Insert a plastic card.
(Ex. Used SIM card etc.)
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.
ճ Likewise, open the other
side of the cabinet.
մ Remove the cabinet cover
by pushing it upward.
յ Remove the solders.
Remove the solders to remove
the 2 charge terminals.
the 2 charge terminals.
ն
շ Remove the screw to remove
the Main P. C. board.
2 screws
ձ
ն
Solders
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KX-TGC310/KX-TGC312/KX-TGC320/KX-TGC322/KX-TGCA30
10.1.3. Charger Unit
ճ Remove the solders to remove
the 2 charge terminals.
ճ
2 charge terminals
Remove the cabinet cover.
ձ
2 Screws
ղ
Cabinet Cover
ղ
ճ
Solders
ձ Remove the 2 screws.
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KX-TGC310/KX-TGC312/KX-TGC320/KX-TGC322/KX-TGCA30
KX-TGC310/KX-TGC312/KX-TGC320/KX-TGC322/KX-TGCA30
KX-TGC310/KX-TGC312/KX-TGC320/KX-TGC322/KX-TGCA30
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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KX-TGC310/KX-TGC312/KX-TGC320/KX-TGC322/KX-TGCA30
11 Measurements and Adjustments
This chapter explains the measuring equipment, the JIG connection, and the PC setting method necessary for the measurement in
Troubleshooting Guide (P.26)
Troubleshooting Guide (P.26)
11.1. Equipment Required
• Digital multi-meter (DMM): it must be able to measure voltage and current.
• Oscilloscope.
• Frequency counter: It must be precise enough to measure intervals of 1 Hz (precision; ±4 ppm)
• Oscilloscope.
• Frequency counter: It must be precise enough to measure intervals of 1 Hz (precision; ±4 ppm)
Hewlett Packard, 53131A is recommended.
• DECT tester: Rohde & Schwarz, CMD 60 is recommended.
This equipment may be useful in order to precisely adjust like a mass production.
11.2. The Setting Method of JIG
<Preparation>
• Serial JIG cable: PQZZ1CD300E*
• PC which runs in DOS mode
• Batch file CD-ROM for setting: Refer to parts list of Fixtures
• PC which runs in DOS mode
• Batch file CD-ROM for setting: Refer to parts list of Fixtures
and Tools (P.83).
Note:
*: If you have the JIG Cable for TCD500 series
(PQZZ1CD505E), change the following values of
resistance. Then you can use it as a JIG Cable for both
TCD300 and TCD500 series. (It is an upper compatible JIG
Cable.)
(PQZZ1CD505E), change the following values of
resistance. Then you can use it as a JIG Cable for both
TCD300 and TCD500 series. (It is an upper compatible JIG
Cable.)
11.2.1. Connections (Base Unit)
Connect the AC adaptor.
Connect the JIG Cable GND (black).
Connect the JIG Cable RX (red) and TX (yellow).
Connect the JIG Cable GND (black).
Connect the JIG Cable RX (red) and TX (yellow).
Note:
*: COM port names may vary depending on what your PC calls it.
Resistor
Old value (k
) New value (k)
R2
22
3.3
R3
22
3.3
R4
22
4.7
R7
4.7
10
1
2
3
2
3
Base unit P. C. board
To Serial Port
(COM port 1*)
(COM port 1*)
PC
URX
UGND
UTX
UTX (yellow)
3
2
3
UGND (black)
URX (red)
JIG Cable
AC adaptor
1
DC JACK
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