Panasonic KX-TMC40JX-W, Service Manual

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12.2. CONNECTOR PIN ASSIGNMENT
Pin no. signal Function Enable
1 VDD +3V Power Supply —
2 VSS 0V Power Supply —
3 DB4 Data Bus Line H/L
4 DB5 Data Bus Line H/L
5 DB6 Data Bus Line H/L
6 DB7 Data Bus Line
H/L
7 R/W Read / Write H/L
8 E Enable Signal H
9 D/C Data / Command Control H/L
10 CS Chip Signal L
11 RES Reset Signal Input L
13. HOW TO REPLACE FLAT PACKAGE IC
13.1. Preparation
- SOLDER
Sparkle Solder 115A-1, 115B-1 or Almit Solder KR-19, KR-19RMA
- Soldering iron
Recommended power consumption will be between 30 W to 40 W.
Temperature of Copper Rod 662 ± 50°F (350 ± 10°C)
(An expert may handle between 60 W to 80 W iron, but beginner
might damage foil by overheating.)