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CIRCUIT DIAGRAMS
1. SMPS - POWER #1 CIRCUIT DIAGRAM
12
No Power
11
BD901 is Defective
10
9
8
7
6
5
4
3
No Power
F901 is Defective
2
1
A
B
C
D
CAUTION:
Warning
Danger if fuse is incorrectly replaced.
Parts that are shaded are critical with
Replace only with the type identical to fuse rating
respect to risk of fire or electrical shock.
and(or) model name described in main label.
E
F
G
H
I
3-49
IMPORTANT SAFETY
WHEN SERVICING THIS CHASSIS, UNDER NO
CIRCUMSTANCES SHOULD THE ORIGINAL DESIGN
BE MODIFIED OR ALTERED WITHOUT PERMISSION
FROM THE LG CORPORATION. ALL COMPONENTS
SHOULD BE REPLACED ONLY WITH TYPES
IDENTICAL TO THOSE IN THE ORIGINAL CIRCUIT.
SPECIAL COMPONENTS ARE SHADED ON THE
Q901 ~ Q904 are Defective
J
K
L
M
N
3-50
NOTE :
SCHEMATIC FOR EASY IDENTIFICATION. THIS
1. Shaded( ) parts are critical for safety. Replace only
CIRCUIT DIAGRAM MAY OCCASIONALLY DIFFER
with specified part number.
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.
No Power
O
P
Q
R
POWER_1
EAX66475001-SD(#01)_Rev1.1_1
2015. 04. 14
S
T
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