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Author Topic: sharp valeo 14 -21 inch [diode protect mode]solve  (Read 1381 times)

Offline sundyhips

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sharp valeo 14 -21 inch [diode protect mode]solve
« on: April 10, 2010, 12:20:02 PM »
 ;D gd mrning mga gwapo,share ko lng sharp valeo 14-21 inch
 problem-stanby when power on red light only
  replace- chroma ix29####
  replace  regulator 5 volts malapit system,lahat possibilities ginawa ko walang development,resestor,ecaps,diode,transistor
 jump tayo sa goodnews--may dumating na costomer while iam repairing tv set,pareho ng model sa sharp valeo nakita sa katabe ng system na may diode doon green color,,kaso may naka jump sa pcb circuit,naka short yon linya,protect cguro yon diode green color,solosyon cegoro ng unang technician,asko sa may are ng tv sabe nya service tech dw ng sharp center ang una nag repair,,so naaply ko ang idea sa dalawang tv sharp  ko na standby problem pag power on hinde mag green wla b+

ang result ng test-- ok andar ang unit sharp 14 at 21,so ang problema wala ako idea e expalin kong bakit gumana pag i short both sides ng diode mportante gumana,ask ako sa mga master sa sharp w/ further xplanation y is it happening huhuhuhu happy luncbreak to all elab member, ;) :D ;D ;D ;D
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sharp valeo 14 -21 inch [diode protect mode]solve
« on: April 10, 2010, 12:20:02 PM »

Offline MX45

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Re: sharp valeo 14 -21 inch [diode protect mode]solve
« Reply #1 on: April 10, 2010, 12:50:26 PM »
sana may sumagot na master dito sa Sharp. saan circuit kaya yung doide na yun?
Gawin mo ang nais mo, sundin mo ang gusto mo dahil ikaw o ang sarili mo ang hari ng yung kagustuhan...

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Re: sharp valeo 14 -21 inch [diode protect mode]solve
« Reply #1 on: April 10, 2010, 12:50:26 PM »

Offline ultrasonic™

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Re: sharp valeo 14 -21 inch [diode protect mode]solve
« Reply #2 on: April 10, 2010, 01:52:09 PM »
sis  anung  complete  model  number  ng valeo  series  yan

para  matignan  natin  sa schematic  diagram
at  ng  mapag-aralan
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Re: sharp valeo 14 -21 inch [diode protect mode]solve
« Reply #2 on: April 10, 2010, 01:52:09 PM »

Offline Simatar

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Re: sharp valeo 14 -21 inch [diode protect mode]solve
« Reply #3 on: April 10, 2010, 08:00:52 PM »
kosa anjan pa ba yung unit? Ano pin number connected ung diode? para may idea mga master natin sa sharp.... thanks
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Re: sharp valeo 14 -21 inch [diode protect mode]solve
« Reply #3 on: April 10, 2010, 08:00:52 PM »

Offline pete

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Re: sharp valeo 14 -21 inch [diode protect mode]solve
« Reply #4 on: April 10, 2010, 08:04:41 PM »
;D gd mrning mga gwapo,share ko lng sharp valeo 14-21 inch
 problem-stanby when power on red light only
  replace- chroma ix29####
  replace  regulator 5 volts malapit system,lahat possibilities ginawa ko walang development,resestor,ecaps,diode,transistor
 jump tayo sa goodnews--may dumating na costomer while iam repairing tv set,pareho ng model sa sharp valeo nakita sa katabe ng system na may diode doon green color,,kaso may naka jump sa pcb circuit,naka short yon linya,protect cguro yon diode green color,solosyon cegoro ng unang technician,asko sa may are ng tv sabe nya service tech dw ng sharp center ang una nag repair,,so naaply ko ang idea sa dalawang tv sharp  ko na standby problem pag power on hinde mag green wla b+

ang result ng test-- ok andar ang unit sharp 14 at 21,so ang problema wala ako idea e expalin kong bakit gumana pag i short both sides ng diode mportante gumana,ask ako sa mga master sa sharp w/ further xplanation y is it happening huhuhuhu happy luncbreak to all elab member, ;) :D ;D ;D ;D
pwede malaman ang exact # ng diode sa pcb?

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Re: sharp valeo 14 -21 inch [diode protect mode]solve
« Reply #4 on: April 10, 2010, 08:04:41 PM »

Offline malamig

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Re: sharp valeo 14 -21 inch [diode protect mode]solve
« Reply #5 on: June 23, 2010, 11:31:41 AM »
Sayang hindi na sumagot si TS :((

Offline diones

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Re: sharp valeo 14 -21 inch [diode protect mode]solve
« Reply #6 on: June 27, 2010, 02:10:03 PM »
 X-ray protect yun, di ba sa samsung pag cra yung chroma minsan ishort yong zener diode kc naka xray protect , ano kc yan pag nahanap mo ang pin sa ic chroma may naka connect ecap at zener diode ecap or zener ishort mo lang sa ground, ceguraduhin mulang na xray na pin yun sa chroma, double check mo, saka mo ishort sa ground
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Offline sundyhips

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Re: sharp valeo 14 -21 inch [diode protect mode]solve
« Reply #7 on: June 27, 2010, 03:43:33 PM »
ang num ng regulator nito mga gwapo ay d1884,tapos may switching ic,nakalimotan ko ang model,bsta ang protect na diode katabe lng sa surface mouted IC malapit sa light emmiting diode--sharp valeo ang name brand mga sir,basta ang ginawa ko ini short ko both side ng pin ng diode color green ang positive clor niya,,nag power on n cya agd pag jump ko hanggan ngayon ok pa ang unit,,,pero hangang ngayun hinde paren ako maliwanagan kon ano protect na yun,,master ultra wt u comments sa tv na yun
I believe that it's in our failures that we learn the most.

Offline pEN DoTA

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Re: sharp valeo 14 -21 inch [diode protect mode]solve
« Reply #8 on: June 27, 2010, 06:02:24 PM »
ang num ng regulator nito mga gwapo ay d1884,tapos may switching ic,nakalimotan ko ang model,bsta ang protect na diode katabe lng sa surface mouted IC malapit sa light emmiting diode--sharp valeo ang name brand mga sir,basta ang ginawa ko ini short ko both side ng pin ng diode color green ang positive clor niya,,nag power on n cya agd pag jump ko hanggan ngayon ok pa ang unit,,,pero hangang ngayun hinde paren ako maliwanagan kon ano protect na yun,,master ultra wt u comments sa tv na yun

palitan mo nalang kaya ng bagong diode na sinasabi mo,, baka magka problema ung unit in the future.
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Offline starex

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Re: sharp valeo 14 -21 inch [diode protect mode]solve
« Reply #9 on: June 27, 2010, 09:39:21 PM »
alisin ung jumper at palitan nalang ng shorted diode sure aandar parin yan

baka ang tinutukoy mo sir ay ung nagbibigay ng 12v supply na diode?

Offline pete

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Re: sharp valeo 14 -21 inch [diode protect mode]solve
« Reply #10 on: July 03, 2010, 08:09:46 PM »
switching diode papuntang 78L08

Offline ultrasonic™

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Re: sharp valeo 14 -21 inch [diode protect mode]solve
« Reply #11 on: July 03, 2010, 08:57:24 PM »
switching diode papuntang 78L08
  baka nga  sis  pete yan yun......

@sundyships  kong d1884 ang reg  nyan...  malaman   same  model lang sila nitong SHARP 21V-K100M Valeo series

http://www.electronicslab.ph/forum/index.php/topic,9191.0.html

speechless aku sa protector diode na yan.. kailangan tlgang may bases analyses source tayo  nito gaya ng manuals o datasheets... im trying to looking may own SVC manual ng model nato.. hindi  ko na kasi mahanap... saan ko kaya  iyong nacomfile..

regarding the xray protect circuit nitong sharp hindi aku sigurado  kong  meron na nga  ito.. kasi  lumang  modelo  kasi...
im always walking on the rain so that no one could see me crying




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Offline pete

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Re: sharp valeo 14 -21 inch [diode protect mode]solve
« Reply #12 on: August 06, 2010, 09:16:34 PM »
  baka nga  sis  pete yan yun......

@sundyships  kong d1884 ang reg  nyan...  malaman   same  model lang sila nitong SHARP 21V-K100M Valeo series

http://www.electronicslab.ph/forum/index.php/topic,9191.0.html

speechless aku sa protector diode na yan.. kailangan tlgang may bases analyses source tayo  nito gaya ng manuals o datasheets... im trying to looking may own SVC manual ng model nato.. hindi  ko na kasi mahanap... saan ko kaya  iyong nacomfile..

regarding the xray protect circuit nitong sharp hindi aku sigurado  kong  meron na nga  ito.. kasi  lumang  modelo  kasi...

ito yata ang double relay

Offline lhan

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Re: sharp valeo 14 -21 inch [diode protect mode]solve
« Reply #13 on: August 06, 2010, 11:59:40 PM »
diode  un naka series un sa suply 12v weak n ung diode, pwd u short o palitan u n lng bago

Offline NORTH LUZON

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Re: sharp valeo 14 -21 inch [diode protect mode]solve
« Reply #14 on: August 07, 2010, 12:19:32 AM »
sirain ang diode na yan,open ang reading nyan kaya ndi nakakatuloy ang 12 voltsna supply ng system. pwd mo ishort yan ng magkaroon ng supply ang system. year 2000 pa ang sakit na yan at easy to kill niinsan ian yan hahaha
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Offline lhan

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Re: sharp valeo 14 -21 inch [diode protect mode]solve
« Reply #15 on: August 07, 2010, 12:34:11 AM »
sirain ang diode na yan,open ang reading nyan kaya ndi nakakatuloy ang 12 voltsna supply ng system. pwd mo ishort yan ng magkaroon ng supply ang system. year 2000 pa ang sakit na yan at easy to kill niinsan ian yan hahaha
marami n ko kz nagawa n ganyan n rape n , akala system minsan ung tumer may dala n system ic pakakabit kz iniwan n ng tech hehehe, ndi ko kakabit ung bago ic bk lalo masira ndi n gumana, d ala n ko kita hehehe

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Re: sharp valeo 14 -21 inch [diode protect mode]solve
« Reply #15 on: August 07, 2010, 12:34:11 AM »

 

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