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Power supply
——
TV Power supply Trouble
1、Check ED3for 12V,
2、Check ED1 for 5V_STB
OK
1.Check CL7 for 3.3V
OK
1、check CD3 for 1.5V
OK
1、POWER ON and
Check ED2 for 5V
2、Check CD11 for
1.2V
3、Check CD11
for1.05V
NG
1、
Check power board
NG
1.Check the circuit of UL1.
NG
1、Check the circuit of UD1.
1、check the circuit of QD1
and power board;
NG
2、check the circuit of UD3.
3、check the circuit of UD6.
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