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KX-TG8411RUB KX-TG8411RUN KX-TG8411RUT KX-TG8411RUW KX-TG8412RUT KX-TGA840RUB KX-TGA840RUN KX-TGA840RUT KX-TGA840RUW
Pages
103
Size
2.69 MB
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Service Manual
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Device
Telephone / DIGITAL CORDLESS PHONE
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kx-tg8411rub-kx-tg8411run-kx-tg8411rut-kx-tg8411ru.pdf
Date
PREV: Panasonic KX-TG8411RUB / KX-TG8411RUN / KX-TG8411RUT / KX-TG8411RUW / KX-TG8412RUT / KX-TG8421RUB / KX-TG8421RUN / KX-TG8421RUT / KX-TG8421RUW / KX-TG8422RUB / KX-TG8422RUN / KX-TGA840RUB / KX-TGA840RUN / KX-TGA840RUT / KX-TGA840RUW Service Manual / Supplement

Panasonic KX-TG8411RUB / KX-TG8411RUN / KX-TG8411RUT / KX-TG8411RUW / KX-TG8412RUT / KX-TGA840RUB / KX-TGA840RUN / KX-TGA840RUT / KX-TGA840RUW Service Manual ▷ View online

77
KX-TG8411RU//KX-TG8412RU/KX-TGA840RU
12.4. How to Replace the LLP (Leadless Leadframe Package) IC
12.4.1. Preparation
• PbF (: Pb free) Solder
• Soldering Iron
Tip Temperature of 700
°F ± 20°F (370°C ± 10°C)
Note:
We recommend a 30 to 40 Watt soldering iron. An expert may be able to use a 60 to 80 Watt iron where someone with less 
experience could overheat and damage the PCB foil.
• Hot Air Desoldering Tool
Temperature: 608
°F ± 68°F (320°C ± 20°C)
12.4.2. Caution
• To replace the IC efficiently, choose the right sized nozzle of the hot air desoldering tool that matches the IC package.
• Be careful about the temperature of the hot air desoldering tool not to damage the PCB and/or IC.
12.4.3. How to Remove the Shield Case
Note:
If you don’t have special tools (ex. Hot air disordering tool), conduct the following operations.
1. Cut the case along perforation.
2. Remove the cut part.
3. Cut the four corners along perforation.
4. Remove the reminds by melting solder.
78
KX-TG8411RU//KX-TG8412RU/KX-TGA840RU
12.4.4. How to Install the Shield Case
Note:
• If you don’t have special tools (ex. Hot air disordering tool), conduct the following operations.
• Shield case’s No. : PNMC1013Z
1. Put the shield case.
2. Solder the surroundings.
79
KX-TG8411RU//KX-TG8412RU/KX-TGA840RU
12.5. Terminal Guide of the ICs, Transistors and Diodes
12.5.1. Base Unit
12.5.2. Handset
12.5.3. Charger Unit
80
KX-TG8411RU//KX-TG8412RU/KX-TGA840RU
Memo
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