Circuit Operation, Troubleshooting And Circuit Alignment Section; 42Pq30 Plasma Display - LG 42PQ30 Training Manual

CIRCUIT OPERATION, TROUBLESHOOTING AND CIRCUIT
CIRCUIT OPERATION, TROUBLESHOOTING AND CIRCUIT
ALIGNMENT SECTION
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

27 Preliminary Information 42PQ30