Service Manuals, User Guides, Schematic Diagrams or docs for : . Various DVD Power Supply Schematics DVX-162_LG_sema_mreze
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IMPORTANT SAFETY NOTICE CUIT. SPECIAL COMPONENTS ARE SHADED ON THE NOTE :
CIRCUIT DIAGRAMS SCHEMATIC FOR EASY IDENTIFICATION. 1. Shaded( ) parts are critical for safety. Replace only
WHEN SERVICING THIS CHASSIS, UNDER NO CIR- THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIF- with specified part number.
CUMSTANCES SHOULD THE ORIGINAL DESIGN BE FER FROM THE ACTUAL CIRCUIT USED. THIS WAY, 2. Voltages are DC-measured with a digital voltmeter
1. POWER(SMPS) CIRCUIT DIAGRAM MODIFIED OR ALTERED WITHOUT PERMISSION IMPLEMENTATION OF THE LATEST SAFETY AND during Play mode.
FROM THE LG ELECTRONICS CORPORATION. ALL PERFORMANCE IMPROVEMENT CHANGES INTO
COMPONENTS SHOULD BE REPLACED ONLY WITH THE SET IS NOT DELAYED UNTIL THE NEW SERVICE
TYPES IDENTICAL TO THOSE IN THE ORIGINAL CIR- LITERATURE IS PRINTED.
No Power
D105~D108 is Defective
14VA No Power 12V No Power
D125 is Defective Q123 is Defective
5.0V No Power
Q126 is Defective
5.6VA No Power
D123 is Defective
5.6V No Power
Switching Error Q125 is Defective
IC101is Defective
3.3V No Power
No Power 3.3VA No Power Q121 is Defective
FR101 is Defective D121 or D122 are Defective
Switching Error
IC102,IC103 are Defective
OPTIONAL PART
NOTE) Warning
NOTES) Symbol denotes AC ground. NOTE) Parts that are shaded are critical
NOTES) Symbol denotes DC chassis ground. NOTE) With respect to risk of fire or
NOTE) electricial shock.
A B C D E F G H I J K L M N O P Q R S T
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