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Author Topic: sharp television on / off problem  (Read 1059 times)
jefhoy
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« on: August 26, 2010, 09:05:28 AM »

mga sir, pahingi naman po ng tips kung paano ba masolusyonan ung sharp t.v. n ganagawa ko
kapag binubuksan ko to nailaw ung ppower indicator for a short moment lang.around half a seconds then namamatay n ulit.
anu po kaya ang may problema dun?Huh??then pnu ko sa gagawin>>>>>thanks po
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« on: August 26, 2010, 09:05:28 AM »

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Triple_D
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« Reply #1 on: August 26, 2010, 10:55:25 AM »

check nyo po kung may B+.
pag wala check reg .or focus sa PS.
anong model nyan?
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ccasiser
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« Reply #2 on: August 26, 2010, 12:24:16 PM »

E hung nyo po muna ang B+ tapos On nyo ang TV tapos check nyo kung hindi na mag OFF ang LED.. pag nag tuloy tuloy na  ang ilaw . check HOT, Filter Cap sa B+ line.
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CHAMBA-LAKAS
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« Reply #3 on: August 26, 2010, 12:50:06 PM »

baka maluwang lang ang saksakan ng ac plug or wall outlet
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m@r
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« Reply #4 on: August 26, 2010, 06:45:59 PM »

@TS voltage check ka muna sir, primary and secondary voltages and observe ano response ng set...
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giancv
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« Reply #5 on: August 27, 2010, 03:24:24 AM »

remove STK power regulator check mo yung pin na may pagitan di sya dapat magkaron ng continuity...

after mo baligtarin isa lang dapat meron.
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ultrasonic™
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« Reply #6 on: August 27, 2010, 12:19:48 PM »

remove STK power regulator check mo yung pin na may pagitan di sya dapat magkaron ng continuity...

after mo baligtarin isa lang dapat meron.

sis  panu nyu nalaman na  STK ang reg nito ?

@TS  sundin nyu  muna ang mga suggestions ng mga masters..

& add more info...
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giancv
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« Reply #7 on: August 27, 2010, 02:28:13 PM »

@ ultrasonic nagawa na kse ako nyan... sa taal ko ng pag troubleshoot sa power re lang pala STK gamit mostly ng sharp lalo na yun mga cinemaborg
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m@r
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« Reply #8 on: August 27, 2010, 02:33:21 PM »

@ ultrasonic nagawa na kse ako nyan... sa taal ko ng pag troubleshoot sa power re lang pala STK gamit mostly ng sharp lalo na yun mga cinemaborg

mostly but not all kasi yong primo sir str naman yong ginamit nila... Grin
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ultrasonic™
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« Reply #9 on: August 27, 2010, 03:47:35 PM »

mostly but not all kasi yong primo sir str naman yong ginamit nila... Grin

tama

@mardocdor puntos sau

@giancv  nagtaka lang aku bat siguradong kayong Cinemaborg ang chassis  na tinutrouble ng TS 
eh wala nmn siyang pinost na chassis  or even model number

sorry for my question  Grin

peace na tayo
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m@r
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« Reply #10 on: August 27, 2010, 04:10:49 PM »

tama

@mardocdor puntos sau

@giancv  nagtaka lang aku bat siguradong kayong Cinemaborg ang chassis  na tinutrouble ng TS 
eh wala nmn siyang pinost na chassis  or even model number

sorry for my question  Grin

peace na tayo


thanks po master...
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CHAMBA-LAKAS
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« Reply #11 on: August 27, 2010, 08:20:40 PM »

may cinemaborg din na xsistor ang reg
may nabuksan din ako na sharp na ang reg out nya ay str5412
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« Reply #12 on: August 28, 2010, 10:41:28 AM »

may cinemaborg din na xsistor ang reg
may nabuksan din ako na sharp na ang reg out nya ay str5412


tama
transistorize ang reg..

gaya ng mga valeo series

D1884 ang gamit

for other model naman gaya ng L80M na gumagamit ng STR

ay yung STRG5653
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jefhoy
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« Reply #13 on: September 01, 2010, 10:06:58 AM »

mga sir eto po yung model 21v u63
thanks po sa mga reply
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angel101
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« Reply #14 on: September 01, 2010, 01:29:40 PM »

Share ko lang po mga ka elabs..Smiley

try to check yung H-vcc pin #27 nang IC201 it should be aprox 6.9V and check mo rin yung x-ray protect input pin#30 kung may voltage reading dapat 0 volts ang ma measure mo at kapag active ang x-ray try mo palitan actual yung zener diode D603 24V, update mo nalang po kami nang mga nagawa mong troubleshooting steps about sa unit mo.
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jefhoy
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« Reply #15 on: September 02, 2010, 09:43:53 PM »

thanks po sir angle101....wala pa po kxe ko experience sa t.v.....gusto ko lang talga matuto
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jefhoy
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« Reply #16 on: September 02, 2010, 09:53:54 PM »

kakapalit ko lng kxe nung i.c. n 1891CE eh...gumana siya for 3 weeks,then umulit n ulit yung sakit niya...
ayaw n mgtuluy tuloy ung pagbukas
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angel101
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« Reply #17 on: September 03, 2010, 10:05:09 PM »

@ jephoy ok ba yung voltage dun sa pin nos. na pinapatingnan ko po sayo, kung ok, check mo din yung regulator section measure mo mga range 120-130volts, din dapat pag plug mo nang unit ay aakyat kaagad sya from 0v to output voltage already mention, at observe mo din kung may maririnig kang parang ingay nang lamok sa regulator, yun sira ang regulator ic nyan. update us nalang sir para matulongan ka nang iba kaelabs natin...
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jefhoy
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« Reply #18 on: September 06, 2010, 08:52:28 PM »

@angle101 ...sir i don't know kung ingay nga ng lamok ung naririnig ko...pero may naririnig akong langitngit tapos kapag na-plug out ko na unti unti un nawawala ,,,,thanks po sir
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angel101
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« Reply #19 on: September 06, 2010, 09:25:53 PM »

try mo palitan nang regulator ic ix1791ce or stk73907 kung alin available baka bagsak na ang current kaya di tumotuloy ang power pag inioon mo ang unit.
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