2-622-61
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 ST
Warning
Parts that are shaded are critical with
respect to risk of fire or electrical shock.
No Power
BD901 is Defective
No Power
D902 is Defective
FLD No Power
D950 is Defective
Vkk No Power
D951 is Defective
No Digitron Displayed
ZD951, ZD952 are Defective
No Power
F901 is Defective
No AMP Power
Q902, Q951 are Defective
PVDD No Power
D981 is Defective
Switching Error
IC951, IC981 are Defective
S/W Error
IC901, IC902 are Defective
Switching Error
PC900~PC902 are Defective
5.5 VA No Power
D952, D953 are Defective
14 VA No Power
D955, D956 are Defective
SMPS
EAX65239501 Rev1.6(14)
2014.12.19
CIRCUIT DIAGRAMS
1. SMPS CIRCUIT DIAGRAM
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 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.
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.
IMPORTANT SAFETY NOTE :
To Next Page
Loading...
Need help?
General
