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LCD TVs - LED

Philips TV model 32PFL3017D / 77

maxi2246
hace 5 años
hace 5 años
Hello people, I have this TV that they brought to me, it does not turn on the stanby light, I disassembled it and I saw in the source that an integrated IC A6069 was exploited, I changed it and changed the opto-couplers, and nothing happens or I have tensions, half a diode bridge , diodes, capacitors well, what else, what can I change or try ???
TELSO
TELSO
1.983
hace 5 años

Have you tested the health of the transistor that controls the exploited ci ...?

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maxi2246
hace 5 años

if I change it, but it remains the same

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charly0072012
hace 5 años
hace 5 años
Hi Maxi. Did you check resistors 9301 and 9302? Normally these are damaged when there is a short in the CI you mention. I also recommend that you check the ceramic capacitors (the light blue ones) and all the components associated with the IC A6069. Check surface diodes thoroughly since some may be short. If you have doubts, pick them up and measure them out of it. These Philips sometimes become a headache. But it is important that you review what I told you to move forward. Comment. Regards !!
maxi2246
hace 5 años

The two resistances you told me were blown up, you saved me a thousand thanks, colleague

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charly0072012
hace 5 años

hahahaha you're welcome mate! a joy to have been able to help you !!!

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