Precautions; Safety Precautions; Warnings; Servicing The Pdp Tv - Samsung PA43H4100AR Service Manual

Pdp tv

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1. Precautions

Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such

as electrical shock.

For continued safety, do not attempt to modify the circuit board.

Disconnect the AC power and DC power jack before servicing.

1) When servicing the PDP TV, Disconnect the AC line cord from the AC outlet.

2) It is essential that service technicians have an accurate voltage meter available at all times. Check the calibration

of this meter periodically.

Before returning the PDP TV to the user, perform the following safety checks:

1) Inspect each lead dress to make certain that the leads are not pinched or that hardware is not lodged between the

chassis and other metal parts in the PDP TV.

2) Inspect all protective devices such as nonmetallic control knobs, insulating materials, cabinet backs, adjustment and

compartment covers or shields, isolation resistorcapacitor networks, mechanical insulators, etc.

3) Leakage Current Hot Check (Figure 1-1):

Do not use an isolation transformer during this test.

Use a leakage current tester or a metering system that complies with American National Standards

Institute (ANSI C101.1, Leakage Current for Appliances), and Underwriters Laboratories (UL Publication

UL1410, 59.7).

1-1

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