7-1
7-2
SECTION 7 CIRCUIT DIAGRAM & VOLTAGE CHART
1. POWER CIRCUIT DIAGRAM
WHEN SERVICING THIS CHASSIS, UNDER NO
CIRCUMSTANCES SHOULD THE ORIGINAL
DESIGN BE MODIFIED OR ALTERED WITHOUT
PERMISSION FROM THE LG CORPORATION.
ALL COMPONENTS SHOULD BE REPLACED
ONLY WITH TYPES IDENTICAL TO THOSE IN
THE ORIGINAL CIRCUIT. SPECIAL COMPO-
NENTS ARE SHADED ON THE SCHEMATIC FOR
EASY IDENTIFICATION. THIS CIRCUIT DIAGRAM
MAY OCCASIONALLY DIFFER FROM THE ACTU-
AL CIRCUIT USED. THIS WAY, IMPLEMENTATION
OF THE LATEST SAFETY AND PERFORMANCE
IMPROVEMENT CHANGES INTO THE SET IS
NOT DELAYED UNTIL THE NEW SERVICE LIT-
ERATURE IS PRINTED.
1. Shaded( ) parts are critical for safety. Replace
only with specified part number.
2. Voltages are DC-measured with a digital volt-
meter during Play mode.
IMPORTANT SAFETY
NOTE :
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only