Panasonic KX-T7565X, Руководство по обслуживанию

Страница: 11 / 41

P65 41 Output SP-Phone power control
P66 42 Output Side tone control
P67 43 Output Select A-Law/m-Law
P70 44 Output SP-Phone mic mute control
P71 45 Output Handset vol. Control 1
P72 46 Output Handset vol. Control 2
P73 47 Output Handset vol. Control 3
P74 48 Output Read enable terminal of G/A (IC1) (Active Low)
P75 49 Output Write enable terminal of G/A (IC1) (Active Low)
P76 50 Output Address bus 1 for G/A (IC1)
P77 51 Output Address bus 2 for G/A (IC1)
P80 52 Input/
Output
Data bus 1 for G/A (IC1)
P81 53 Input/
Output
Data bus 2 for G/A (IC1)
P82 54 Input/
Output
Data bus 3 for G/A (IC1)
P83 55 Input/
Output
Data bus 4 for G/A (IC1)
P84 56 Output SP-Phone vol. Control 1
P85 57 Output SP-Phone vol. Control 2
P86 58 Output SP-Phone vol. Control 3
P87 59 Output SP-Phone vol. Control 4
AN7 61 Input Select Model/Area cord
AN6 62 Input Select Ringer position
6. HOW TO REPLACE THE FLAT PACKAGE IC
If you do not have the special tools (for example: SPOT HEATER) to remove the SPOT
HEATER’S Flat IC, If you have solder (large amount) a soldering iron and a cutter knife, you can
easily remove IC’s even though large than 100 pin.
6.1. PREPARATION
- SOLDER / Sparkle Solder 115A-1, 115B-1 or Almit Solder KR-19, KR
-19RMA
- Soldering iron / Recommended power consumption is between 30
W to 40 W. / Temperature of Copper Rod 662 ± 50°F (350 ± 10°C) /
(An expert may handle a 60~80 W iron, but beginner might damage
foil by overheating.)
- Flux / HI115 Specific gravity 0.863 / (Original flux should be
replaced daily.)
6.2. FLAT PACKAGE IC REMOVE PROCEDURE
11