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Author Topic: Help Sharp 21V-FP90S  (Read 907 times)

Offline Deantyne

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Re: Help Sharp 21V-FP90S
« Reply #20 on: February 27, 2012, 12:35:35 PM »
mga master sablay ung gawa ko after ng isang araw bumalik sa dati niang sakit na cut-off ung power nia. Ano pa po ba maaring possible cause bakit cnisira nia ung Vertical IC mabilis uminit. saan po ba pedeng mag download ng diagram nito.
 >:( >:( >:(

Vertical part# STV9302B 



CHeck mo vert ic baka Fake nga.. try mo baklas ang Yoke then tignan sa loob if may traces ng green/ molds or may black/sunog.
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Re: Help Sharp 21V-FP90S
« Reply #20 on: February 27, 2012, 12:35:35 PM »

Offline kwek-kwek

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Re: Help Sharp 21V-FP90S
« Reply #21 on: February 27, 2012, 09:28:19 PM »
Paano po ba malalaman if fake ung IC since ndi nman natin pwede ma check through multi tester ung mga IC.
 

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Re: Help Sharp 21V-FP90S
« Reply #21 on: February 27, 2012, 09:28:19 PM »

Offline enriz622

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Re: Help Sharp 21V-FP90S
« Reply #22 on: February 27, 2012, 10:47:27 PM »
ginamitan mo ba ng thermal paste sis,ang gawa ko pag ganyan na palit ng ic monitor ko muna kung mabilis mag-init ang ic o normal lang.pag normal ang supply at mabilis uminit ibig sabihin mahinang klase ang nailagay or may problema sa load kaya umiinit,dapat alamin muna kung bakit nasira ang dating nakalagay na ic kung anong pwedeng maging cause

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Re: Help Sharp 21V-FP90S
« Reply #22 on: February 27, 2012, 10:47:27 PM »

Offline kwek-kwek

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Re: Help Sharp 21V-FP90S
« Reply #23 on: February 28, 2012, 09:06:28 PM »
ginamitan mo ba ng thermal paste sis,ang gawa ko pag ganyan na palit ng ic monitor ko muna kung mabilis mag-init ang ic o normal lang.pag normal ang supply at mabilis uminit ibig sabihin mahinang klase ang nailagay or may problema sa load kaya umiinit,dapat alamin muna kung bakit nasira ang dating nakalagay na ic kung anong pwedeng maging cause

un lang ndi ko nalagyan ng thermal paste. cge aalamin ko pa kong ano ang naging cause ang mabilis nia na pag-init. thanks update na lang ulit aq by Saturday

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Re: Help Sharp 21V-FP90S
« Reply #23 on: February 28, 2012, 09:06:28 PM »

Offline DJFEL

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Re: Help Sharp 21V-FP90S
« Reply #24 on: February 28, 2012, 09:14:04 PM »
baka hinde normal suuply neto sa vertical section...
dj fel on the mix

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Re: Help Sharp 21V-FP90S
« Reply #24 on: February 28, 2012, 09:14:04 PM »

Offline kwek-kwek

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Re: Help Sharp 21V-FP90S
« Reply #25 on: February 28, 2012, 09:25:29 PM »
baka hinde normal suuply neto sa vertical section...

yun nga po bka nga hinde normal ang supply ng vertical. may ma suggest po kayo kung saan pde mag download ng diagram nito.

Offline DJFEL

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Re: Help Sharp 21V-FP90S
« Reply #26 on: February 29, 2012, 07:18:30 AM »
yun nga po bka nga hinde normal ang supply ng vertical. may ma suggest po kayo kung saan pde mag download ng diagram nito.


voltage chik mona sis..vertical section...post mo lahat dto...
dj fel on the mix

Offline DJFEL

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Re: Help Sharp 21V-FP90S
« Reply #27 on: February 29, 2012, 07:19:59 AM »
abang nalang kong may nang tapon nang mapa dito..
dj fel on the mix

Offline Deantyne

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Re: Help Sharp 21V-FP90S
« Reply #28 on: February 29, 2012, 09:09:12 AM »
Paano po ba malalaman if fake ung IC since ndi nman natin pwede ma check through multi tester ung mga IC.
 

MAGANDANG klase yong mga marks niya ang parang nakaukit, pag parang nakaprinta lang mahinang klase yon..

try mo ito mga good replacement-

STV9302= TDA9302= LA78040B= LA78040N


Hope makatulong... :) :) :)
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Offline NORTH LUZON

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Re: Help Sharp 21V-FP90S
« Reply #29 on: February 29, 2012, 10:05:23 AM »
ang gagaling ng mga newmem natin ah
congrats
KUNG MAY PROBLEMA KA SA AKIN WAG MO IDAAN SA SALITA LANG. SET KA NG ARAW AT KITA TAYO

Offline Deantyne

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Re: Help Sharp 21V-FP90S
« Reply #30 on: February 29, 2012, 12:09:06 PM »
^

tgal na ako d2 sis, Nov2008 pa, puro basa mode lang..

http://www.electronicslab.ph/forum/index.php?action=profile

time to give back the knowledge...marami na rin ako napulot d2... ;D ;D ;D
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Offline sapsap

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Re: Help Sharp 21V-FP90S
« Reply #31 on: March 03, 2012, 04:51:31 AM »
^

tgal na ako d2 sis, Nov2008 pa, puro basa mode lang..

http://www.electronicslab.ph/forum/index.php?action=profile

time to give back the knowledge...marami na rin ako napulot d2... ;D ;D ;D
tama  k jan bro ako bago p lang

Offline bongo

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Re: Help Sharp 21V-FP90S
« Reply #32 on: March 03, 2012, 09:55:58 AM »
check mo yung datasheet ng vert ic mo, tignan mo yung mga parameters lalo na yung Vcc, after that checked mo yung actual Vcc ng vertical section compare mo Vcc ng vert ic, kng pasok sa parameter baka fake yang ic na nabili mo,maigi kung may mahugot ka na kapareho sa ibang tv itry mo.

Offline animas22

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Re: Help Sharp 21V-FP90S
« Reply #33 on: March 09, 2012, 09:51:18 AM »
yun nga po bka nga hinde normal ang supply ng vertical. may ma suggest po kayo kung saan pde mag download ng diagram nito.

bakit kelangan pa ng diagram alam naman ang sira. vertical ic. check mo na lang lahat ng e caps replace mo lahat para bago. tapos tingnan ang yoke at voltage reading kagaya nga ng sinsabi nila.

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Re: Help Sharp 21V-FP90S
« Reply #33 on: March 09, 2012, 09:51:18 AM »

 

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