LG 42PQ30 Training Manual page 27

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SECTION 2: CIRCUIT OPERATION, TROUBLESHOOTING AND

CIRCUIT ALIGNMENT SECTION

This Section will cover Circuit Operation, Troubleshooting and

Alignment of the Power Supply, Y-SUS Board, Y Drive Boards, Z-SUS

Board, Control Board, Main Board and the X Drive Boards.

At the end of this Section the technician should understand the operation

of each circuit board and how to adjust the controls. The technician

should be able with confidence to troubleshoot a circuit board failure,

replace the defective circuit and perform all necessary adjustments.

42PQ30 Plasma Display

Preliminary Information 42PQ30

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