Circuit Diagram; Power(Smps) Circuit Diagram - LG LST-3100A Service Manual

CIRCUIT DIAGRAM

1. POWER(SMPS) CIRCUIT DIAGRAM

No Power
BD101,R105 are Defective
-29VA No Power
D128 is Defective
12V No Power
D125 is Defective
No Power
D102 is Defective
Switching Error 5VA No Power
D106 is Defective
IC101 is Defective
No Power
F101 is Defective
Switching Error
IC102,IC103 is Defective
No Digitron appeared
D107,R123,ZD102 are Defective
30VA No Power
D110 is Defective
3.3V No Power
D105 is Defective
3-48 3-49