75
KX-TG8411HGB/KX-TGA840FXB
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.
Summary of Contents for KX-TG8411HGB
Page 2: ...2 KX TG8411HGB KX TGA840FXB ...
Page 14: ...14 KX TG8411HGB KX TGA840FXB 4 6 Signal Route ...
Page 22: ...22 KX TG8411HGB KX TGA840FXB 7 6 Troubleshooting ...
Page 23: ...23 KX TG8411HGB KX TGA840FXB Cross Rreference For Service Hint P 26 ...
Page 24: ...24 KX TG8411HGB KX TGA840FXB ...
Page 25: ...25 KX TG8411HGB KX TGA840FXB ...
Page 26: ...26 KX TG8411HGB KX TGA840FXB 7 7 For Service Hint Cross Reference Battery Charge P 16 ...
Page 27: ...27 KX TG8411HGB KX TGA840FXB 8 Service Mode 8 1 Engineering Mode 8 1 1 Base Unit ...
Page 29: ...29 KX TG8411HGB KX TGA840FXB 8 1 2 Handset ...
Page 38: ...38 KX TG8411HGB KX TGA840FXB Cross Reference Check Point Base Unit P 46 ...
Page 40: ...40 KX TG8411HGB KX TGA840FXB Cross Reference Check Point Handset P 50 ...
Page 55: ...55 KX TG8411HGB KX TGA840FXB 10 1 2 Handset ...
Page 56: ...56 KX TG8411HGB KX TGA840FXB 10 1 3 Charger Unit ...
Page 57: ...57 KX TG8411HGB KX TGA840FXB 10 2 How to Replace the Handset LCD ...
Page 79: ...79 KX TG8411HGB KX TGA840FXB Memo ...
Page 92: ...92 KX TG8411HGB KX TGA840FXB 15 3 Cabinet and Electrical Parts Charger Unit ...
Page 93: ...93 KX TG8411HGB KX TGA840FXB 15 4 Accessories and Packing Materials 15 4 1 KX TG8411HGB ...
Page 94: ...94 KX TG8411HGB KX TGA840FXB 15 4 2 KX TGA840FXB ...