![background image](http://html.mh-extra.com/html/panasonic/kx-t7565x/kx-t7565x_service-manual_279615011.webp)
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
Содержание KX-T7565X
Страница 3: ...4 DISASSEMBLY INSTRUCTION 4 1 HOW TO REMOVE THE LOWER CABINET Procedure 1 3 ...
Страница 6: ...5 IC DATA 5 1 IC1 6 ...
Страница 9: ...9 ...
Страница 24: ...9 4 SPEAKER PHONE TROUBLE 9 5 TONE DIAL TROUBLE 9 6 HANDSET TROUBLE 24 ...
Страница 25: ...10 WAVEFORM 11 TERMINAL GUIDE OF IC S TRANSISTORS AND DIODES 25 ...
Страница 26: ...12 CABINET AND ELECTRICAL PARTS LOCATION 26 ...
Страница 27: ...13 ACCESSORIES AND PACKING MATERIALS 27 ...
Страница 36: ...EP2 9 KEY INPUT KEY ON 13 INT RX INT TX 10 KEY SIGNAL 14 A0 A1 IOR IOW 11 16 384MHz 15 D0 D1 D2 D3 12 8MHz 16 ...