Circuit Diagrams; Smps Circuit Diagram - LG S94T1-S Service Manual

CIRCUIT DIAGRAMS

1. SMPS CIRCUIT DIAGRAM

12
11
10
9
8
7
6
5
4
No Power
F901 is Defective
3
S/W Error
IC901 is Defective
2
1
A B C D
No Power
BD901 is Defective
No Power No Power
D901 is Defective Q901 is Defective
Warning
Parts that are shaded are critical with
respect to risk of fire or electrical shock.
E F G H
IMPORTANT SAFETY NOTICE
WHEN SERVICING THIS CHASSIS, UNDER
CIRCUMSTANCES SHOULD THE ORIGINAL DESIGN BE
MODIFIED OR ALTERED WITH OUT PERMISSION FROM
THE LG CORPORATION. ALL COMPONENTS SHOULD BE
REPLACED ONLY WITH TYPES IDENTICAL TO THOSE
No Power
D951 is Defective
S/W Error
PC901 is Defective
I J K L M
5-17 5-18
IN THE ORIGINAL CIRCUIT. SPECIAL COMPONENTS ARE NOTE :
SHADED ON THE SCHEMATIC FOR EASY IDENTIFICATION. 1. Shaded(
NO
THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIFFER FROM specified part number.
THE ACTUAL CIRCUIT USED. THIS WAY, IMPLEMENTATION 2. Voltages are DC-measured with a digital voltmeter during Play
OF THE LATEST SAFETY AND PERFORMANCE mode.
IMPROVEMENT CHANGES INTO THE SET IS NOT DELAYED
UNTIL THE NEW SERVICE LITERATURE IS PRINTED.
S/W Error
IC951 is Defective
N O P Q
) parts are critical for safety. Replace only with
SMPS
EAX64877702 Rev1.0(3)
2013.11.21
R S T