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LED sets with no picture

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sinclairtv:
Ive got a Celcus LED tv with no picture, sound ok. The PSU is a Vestel 17IPS20. Do LED sets have an inverter the same as LCD or in general, what should I be looking for with a 'no picture' fault  :sign0085:

fix2003:
Celcus DLED39167FHD no backlight 17IPS20
checkD101 mur460  also D506 which is the parallel position to D101

sinclairtv:
Cheers..diodes are okay and its def a psu fault. Tried to trace what I think is inverter but cant source it

jordan:
Check 6 parallel diode D-303,306,309,313,314 and 507

videoman:
The "horrible" vestal power pcb does NOT have a inverter they supply 60volt? to 5 strips of LEDS in series

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