Panasonic KX-TG5581RUB / KX-TGA551RUB Service Manual ▷ View online
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KX-TG5581RUB/KX-TGA551RUB
9.3.2.
Troubleshooting for Speakerphone
When the customer’s telephone line corresponds to the following conditions, and the transmission signal of SP-Phone is
interrupted, performing the next set up to a cordless handset will improve it to some extent.
Conditions
interrupted, performing the next set up to a cordless handset will improve it to some extent.
Conditions
1. When customer’s line has less line loss.
ex.) The customer is using optical fiber, ISDN terminal adaptor, or PBX.
In this case, receiving signal is strong and it may affect transmission signal.
In this case, receiving signal is strong and it may affect transmission signal.
2. When the other party is talking from noisy place.
ex.) The other party is using cellular phone. The background noise is very loud.
In this case, the noise from the other party (i.e. surrounding noise) may affect transmission signal.
In this case, the noise from the other party (i.e. surrounding noise) may affect transmission signal.
Setting Method
• Change the handset address of EEPROM (0129) from 00 to 01 by Engineering Mode.
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KX-TG5581RUB/KX-TGA551RUB
10 Disassembly and Assembly Instructions
10.1. Disassembly Instructions
10.1.1. Base Unit
Ԙ
Remove the 2 screws to remove
the cabinet cover.
the cabinet cover.
ԙ
Remove the tapes and solders to remove
the main P.C. board.
the main P.C. board.
Cabinet cover
Tapes and solders
ԙ
Main P.C. board
2 Screws
Ԙ
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KX-TG5581RUB/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
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KX-TG5581RUB/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.
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