3-32
3-31
A
1
2
3
4
5
6
7
8
9
10
11
12
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
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T
SMPS
EAX66190203_Rev1.0(0)_MAIN_SD1
2015. 07. 02
Warning
Parts that are shaded are critical with
respect to risk of fire or electrical shock.
CIRCUIT DIAGRAMS
1. MAIN - SMPS CIRCUIT DIAGRAM
IMPORTANT SAFETY NOTICE
WHEN SERVICING THIS CHASSIS, UNDER NO
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 IN THE ORIGINAL CIRCUIT.
SPECIAL COMPONENTS ARE SHADED ON THE
SCHEMATIC FOR EASY IDENTIFICATION.
THIS CIRCUIT DIAGRAM MAY OCCASIONALLY
DIFFER FROM THE ACTUAL CIRCUIT USED. THIS
WAY, IMPLEMENTATION OF THE LATEST SAFETY
AND PERFORMANCE IMPROVEMENT CHANGES
INTO THE SET IS NOT DELAYED UNTIL THE NEW
SERVICE LITERATURE IS PRINTED.
NOTE :
1.
Shaded( ) parts are critical for safety. Replace only
with specified part number.
2.
Voltages are DC-measured with a digital voltmeter
during Play mode.
Summary of Contents for NP8340
Page 8: ...1 7 7 Press Update button 8 Download result display OK if start download ...
Page 15: ...1 14 ...
Page 17: ...2 2 ...
Page 41: ...3 22 3 MPEG IC501 MT8506 XTAL 27 MHz 6 IC501 MT8506 WE IC501 MT8506 CLK 7 8 6 7 8 ...
Page 42: ...3 23 MPEG IC501 MT8506 CAS 9 IC501 MT8506 BA0 10 9 10 ...
Page 54: ...3 46 3 45 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...
Page 55: ...3 48 3 47 2 TOUCH P C BOARD 3 LED P C BOARD TOP VIEW TOP VIEW BOTTOM VIEW BOTTOM VIEW ...
