Text preview for : SMPS_LG_DV652.pdf part of LG DV652 SMPS_LG_DV652
SMPS PCBASSY EBR72344104
EAX61428102 DV500'S 2009.12.03
Driver IC A6259H
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IMPORTANT SAFETY NOTE :
CIRCUIT DIAGRAMS WHEN SERVICING THIS CHASSIS, UNDER NO
CIRCUMSTANCES SHOULD THE ORIGINAL DESIGN
FOR EASY IDENTIFICATION. THIS CIRCUIT DIAGRAM
MAY OCCASIONALLY DIFFER FROM THE ACTUAL
1. Shaded( ) parts are critical for safety. Replace only
with specified part number.
BE MODIFIED OR ALTERED WITHOUT PERMISSION CIRCUIT USED. THIS WAY, IMPLEMENTATION OF THE 2. Voltages are DC-measured with a digital voltmeter
1. POWER (SMPS) CIRCUIT DIAGRAM FROM THE JVC. ALL COMPONENTS SHOULD BE
REPLACED ONLY WITH TYPES IDENTICAL TO
LATEST SAFETY AND PERFORMANCE
IMPROVEMENT CHANGES INTO THE SET IS NOT
during Play mode.
THOSE IN THE ORIGINAL CIRCUIT. SPECIAL DELAYED UNTIL THE NEW SERVICE LITERATURE IS
COMPONENTS ARE SHADED ON THE SCHEMATIC PRINTED.
No Power
D105~D108 are Defective
12V No Power
Q123 is Defective
Switching Error
IC101 is Defective
5V No Power
Q126 is Defective
3.3V No Power
Q121 is Defective
No Power
FR101 is Defective
Switching Error
IC102, IC103 are Defective
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