|
IMPORTANT SAFETY |
|
NOTE : |
|
CIRCUIT DIAGRAMS |
WHEN SERVICING THIS CHASSIS, UNDER NO |
SCHEMATIC FOR EASY IDENTIFICATION. THIS |
1. |
Shaded( ) parts are critical for safety. Replace only |
BE MODIFIED OR ALTERED WITHOUT PERMISSION |
FROM THE ACTUAL CIRCUIT USED. THIS WAY, |
2. |
Voltages are DC-measured with a digital voltmeter |
|
|
CIRCUMSTANCES SHOULD THE ORIGINAL DESIGN |
CIRCUIT DIAGRAM MAY OCCASIONALLY DIFFER |
|
with specified part number. |
|
FROM THE LG CORPORATION. ALL COMPONENTS |
IMPLEMENTATION OF THE LATEST SAFETY AND |
|
during Play mode. |
1. SMPS 1 CIRCUIT DIAGRAM |
SHOULD BE REPLACED ONLY WITH TYPES |
PERFORMANCE IMPROVEMENT CHANGES INTO |
|
|
SPECIAL COMPONENTS ARE SHADED ON THE |
LITERATURE IS PRINTED. |
|
|
|
|
IDENTICAL TO THOSE IN THE ORIGINAL CIRCUIT. |
THE SET IS NOT DELAYED UNTIL THE NEW SERVICE |
|
|
No Power |
|
|
|
BD101, R101 is Defective |
14VA No Power |
12V No Power |
|
|
|
||
|
D127 is Defective |
IC131 is Defective |
|
|
5.5VA No Power |
|
|
No Power |
D125 is Defective |
|
|
|
|
|
|
D102 is Defective |
3.7V No Power |
|
|
|
5V No Power |
||
|
D124 is Defective |
||
|
IC132 is Defective |
||
|
|
|
|
S/W Error |
|
|
|
IC101, IC104 is Defective |
|
|
|
|
33V No Power |
|
|
No Power |
Q161 is Defective |
|
|
|
|
|
|
F101 is Defective |
|
|
|
|
5.3VA No Power |
|
|
|
D121 is Defective |
|
|
Switching Error |
|
|
|
IC102, IC103 are Defective |
|
|
|
|
|
|
PCB : EAX31797301 |
3-34 |
3-35 |
|
|
Loading...