D100-130, D201, D202) of Main Board, LCD Board.
1) Do not reuse a LED which is removed from the P.C. Board.
2) Use a soldering iron (less than 15 W) for exchanging LED.
3) Do not heat the LED for more than 2 seconds.
4) Do not move the LED after soldering.
2. This unit employs the switch which is influenced by the light for
the hook switch.
When you open the cabinet to repair the unit in the bright light,
the hook switch might work improperly.
Therefore, take care not to shine the hook switch directly, or use
the jig as shown below.
3. LOCATION OF CONTROLS
3
Содержание KX-T7456 - Digital 24 Button Speakerphone Display
Страница 4: ...4 DISASSEMBLY INSTRUCTIONS 4 1 HOW TO REMOVE THE LOWER CABINET Procedure 1 4 ...
Страница 8: ...5 IC DATA 5 1 IC1 8 ...
Страница 11: ...11 ...
Страница 15: ...15 ...
Страница 20: ...7 4 DATA COMMUNICATION CIRCUIT 1 Function 20 ...
Страница 24: ...The reset signal is negledted 24 ...
Страница 29: ...8 TROUBLESHOOTING GUIDE 8 1 NO OPERATION 8 2 THE LCD DOES NOT OPERATE 29 ...
Страница 31: ...8 5 SPEAKER PHONE TROUBLE 8 6 TONE DIAL TROUBLE 8 7 TROUBLE OF OHCA 31 ...
Страница 32: ...8 8 HANDSET TROUBLE 9 TERMINAL GUIDE OF ICS TRANSISTORS AND DIODES 32 ...
Страница 36: ...12 CABINET AND ELECTRICAL PARTS LOCATION 13 ACCESSORIES AND PACKING MATERIALS 36 ...
Страница 49: ...33 37 34 35 36 25 32 ...
Страница 55: ...SW301 CN301 1 2 3 ...
Страница 57: ...1 5 2 6 3 7 4 8 ...
Страница 58: ...9 13 10 14 11 15 12 16 ...
Страница 59: ...17 21 18 22 19 23 20 24 ...