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2. SMPS(POWER) CIRCUIT DIAGRAM (500W)
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3
2
NOTES)
Symbol denotes DC chassis ground.
1
NOTE)
Warning
NOTE)
Parts that are shaded are critical
NOTE)
With respect to risk of fire or
NOTE)
electricial shock.
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B
C
D
LGE Internal Use Only
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F
G
H
I
2-29
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
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K
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M
N
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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.
2008.02.12
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P
Q
R
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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