LG SH93TA-S Service Manual page 35

2. SMPS(POWER) CIRCUIT DIAGRAM (500W)
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A B C D
LGE Internal Use Only
Symbol denotes DC chassis ground.
Warning
Parts that are shaded are critical
With respect to risk of fire or
electricial shock.
E F G H
IMPORTANT SAFETY NOTICE
WHEN SERVICING THIS CHASSIS, UNDER NO CIR-
CUMSTANCES SHOULD THE ORIGINAL DESIGN BE
MODIFIED OR ALTERED WITHOUT PERMISSION
FROM THE LG CORPORATION. ALL COMPONENTS
SHOULD BE REPLACED ONLY WITH TYPES IDENTI-
CAL TO THOSE IN THE ORIGINAL CIRCUIT. SPECIAL
I J K L M
2-31 2-32
COMPONENTS ARE SHADED ON THE SCHEMATIC NOTE :
FOR EASY IDENTIFICATION. 1. Shaded( ) parts are critical for safety. Replace only
THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIF- with specified part number.
FER FROM THE ACTUAL CIRCUIT USED. THIS WAY, 2. Voltages are DC-measured with a digital voltmeter
IMPLEMENTATION OF THE LATEST SAFETY AND during Play mode.
PERFORMANCE IMPROVEMENT CHANGES INTO
THE SET IS NOT DELAYED UNTIL THE NEW SERVICE
LITERATURE IS PRINTED.
N O P Q R
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
2008.02.12
S T