Panasonic KX-TDA0103X, Service Manual

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3 FOR SERVICE TECHNICIANS
ICs and LSIs are vulnerable to static electricity.
When repairing, the following precautions will help prevent recurring malfunctions.
1. Cover the plastic parts boxes with aluminum foil.
2. Ground the soldering irons.
3. Use a conductive mat on the worktable.
4. Do not touch IC or LSI pins with bare fingers.
4 CAUTION
4.1. NOTE
When you note the serial number, write down all of the 11 digits.
The serial number may be found on the label affixed to the front of the unit.
4.2. SAFETY PRECAUTIONS
Refer to Service Manual for KX-TDA100, KX-TDA200 and KX-TDA600.
4.3. INSULATION RESISTANCE TEST
1. Unplug the power cord and short the two prongs of the plug with a jumper wire.
2. Turn on the power switch.
3. Measure the resistance value with ohmmeter between the jumpered AC plug and earth terminal.
4. If the measurement is outside the specified limits, there is a possibility of shock hazard. The equipment should be repaired and
rechecked before it is returned to the customer.
4.4. CAUTION
The power socket wall outlet should be located near this equipment and be easily accessible.
5
KX-TDA0103XJ / KX-TDA0104XJ / KX-TDA0108XJ / KX-TDA0103X / KX-TDA0104X / KX-TDA0108X