Panasonic TX-29P190T, Service Manual, Page: 4 / 111

3. After servicing, see to it that all the protective devices such as
insulation barriers, insulation papers, shields and isolation R-C
combinations, are properly installed.
4. When the receiver is not to be used for a long period of time, unplug
the power cord from the AC outlet.
5. Potential, as high as 32.0 kV is present when this receiver is in
operation. Operation of the receiver without the rear cover involves the
danger of a shock hazard from the receiver power supply. Servicing
should not be attempted by anyone who is not thoroughly familiar with
the precautions necessary when working on high voltage equipment.
Always discharge the anode of the picture tube to the receiver chassis
before handling the tube.
6. After servicing make the following leakage current checks to prevent
the customer from being exposed to shock hazards.
1.2. Leakage Current Cold Check
1. Unplug the AC cord and connect a jumper between the two prongs on
the plug.
2. Turn on the receiver’s power switch.
3. Measure the resistance value, with an ohmmeter, between the jumper
AC plug and each exposed metallic cabinet part on the receiver, such
as screw heads, aerials, connectors, control shafts, etc. When the
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