LG flat screen has sound but no picture

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LG flat screen has sound but no picture

Post by snodmira on Fri May 03, 2013 10:27 am

sir patulong po miron ako problema about sa Lg ftat screen model nya ay 21FDRB-LD yung serial no. 906VNAX000800. mirong pong sounds but walang picture black all po ang screen. chck yung vertical ic k. naman. 180v k. naman but ganon. sana ma katulong po ka sa aking problema.




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Re: LG flat screen has sound but no picture

Post by ultrasonicâ„¢ on Fri May 03, 2013 4:45 pm

hmmppfff... di ko mkita sa database ang model
parang my kulang (^_^

di ko tuloy makonfirm ang chassis kng 023A o 059x ba to


ganito nlng ts... AFAIR sa mga flatron model lalot sa ganyang status
di pa nag ooscillate ang horizontal mo nyan sis....
to confirm check G2/screen - pag absent

proceed ka sa UOC/chrome section
check Hvcc dapat my 9V ka na jan...

or ganito nlng... direct sub ka ng 4 pins Regulator..
like KA78R12 (SC-023A)or KA78R09 (MC-059x) na makikita mo sa board ... sirain kasi ang mga yan

kng ngtataka nmn kau kng bkit my sound na kau khit di pa gumagana ang hor. ay sa kdahilanang sa PSU kumukuha ng supply ang system at S.amp

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Re: LG flat screen has sound but no picture

Post by snodmira on Fri May 03, 2013 6:39 pm

salamat po susunding ko po yung payu nyu salamat

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Re: LG flat screen has sound but no picture

Post by baddypepito on Sat May 04, 2013 10:15 pm

pa sub po

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Re: LG flat screen has sound but no picture

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