Panasonic KX-TCD420BXM Service Manual page 80

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29. HOW TO REPLACE FLAT PACKAGE IC
29.1. 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.
- Flux
Recommended Flux: Specific Gravity
Type
Note: See
29.2. Procedure
1. Tack the flat pack IC to the PCB by temporarily soldering two
diagonally opposite pins in the correct positions on the PCB.
Default Name
FF Menu Config
01
RecVolStoreEnabled
RMA (lower residue, non-cleaning type)
ABOUT LEAD FREE SOLDER (PbF: Pb free)
Be certain each pin is located over the correct pad on the PCB.
Digitized in Heiloo, Holland
Type
Country
Setting
x D bit 0 - Registration menu on/off 1/0
bit 1 - Select base menu on/off 1/0
bit 2 - Internal ringer menu on/off 1/0
bit 3 - Page ringer menu on/off 1/0
bit 4 - Standby mode menu on/off 1/0
bit 5 - Battery select menu on/off 1/0
bit 6 - Call wating menu on/off 1/0
bit 7 - Clip list on/off 1/0
x D 00: Reciever volume will be reset to default
value when hooking on.
01: Reciever volume will be stored in
eeprom when set in conversation.
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1/2/2015
Description