How To Replace Flat Package Ic - Panasonic KX-TCA155E Service Manual

Address
Initial
(0x0000
Type
~0x027F)
1FEE 2
1FEF 2
1FFB

24. HOW TO REPLACE FLAT PACKAGE IC

24.1. 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 RMA (lower residue, non-cleaning type)
Note: See ABOUT LEAD FREE SOLDER (PbF: Pb free)
24.2. Procedure
1. Tack the flat pack IC to the PCB by temporarily soldering two
diagonally opposite pins in the correct positions on the PCB.
Be certain each pin is located over the correct pad on the PCB.
EEPROM Name
EEP_AutoAnsDelay
EEP_TruncCd
EEP_DataNotInRamEnd
Description
Auto Answer Delay
0x05-0x14 (Delav Time (SEC))
Tranc Access Code
4Byte *3 CODE
4Byte (BCD)= 1st bvte:Length /2nd-
4th bvte:Acccess Code
0.82.
().
64
Default value
0x06
0x00, 0x00,
0x00, 0x00,
0x00, 0x00,
0x00, 0x00,
0x00, 0x00,
0x00, 0x00,