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Author Topic: Help! Sharp 14v-j50m, friendly series ll  (Read 2649 times)

Offline envader

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Help! Sharp 14v-j50m, friendly series ll
« on: February 28, 2010, 06:10:28 PM »
Mga masters, halos pariho lang sa mga na solved na sharp dito, pero y0ng sa akin ay pag switch ng main switch ay red light, then pg switch ng sec0ndary switch naman ay umiilaw ang green pero in a second ay hold down. Dalawa ang relay ng unit na ito, isa sa degausing at isa sa line ng b+, tapos ang nagawa ko ay y0ng mga advise nyo ky sir pete pero gan0n pa rin, sinubukan k0ng i jumper ang relay sa line ng b+ ay gumana ang set pero kailangang isaksak sa 100vdc kc pg direct s 220 ay medyo madilim at my puti s gitna, at black s left and right ng screen, ano pa kaya ang kulang sa set na ito? Tnks sa lht.
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Help! Sharp 14v-j50m, friendly series ll
« on: February 28, 2010, 06:10:28 PM »

Offline envader

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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #1 on: March 01, 2010, 06:47:22 AM »
Mga boss, help naman po.
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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #1 on: March 01, 2010, 06:47:22 AM »

Offline MX45

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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #2 on: March 01, 2010, 10:27:23 AM »
Sis.. suyurin mo yung relay driver transistor ng relay sa B+ check mo kung walang leak kung di ako nagkakamali dalawang transistor yun papuntang system IC. ngayun kung okay yung dalawang transistor, check mo yung 5V regulator supply ng System IC check mo kung nag dro-drop ang voltage, maganda actual replaced muna at kung mag drop voltages parin, i think sira na system IC mo. cge gud luck.
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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #2 on: March 01, 2010, 10:27:23 AM »

Offline envader

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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #3 on: March 01, 2010, 11:28:52 AM »
Sis.. suyurin mo yung relay driver transistor ng relay sa B+ check mo kung walang leak kung di ako nagkakamali dalawang transistor yun papuntang system IC. ngayun kung okay yung dalawang transistor, check mo yung 5V regulator supply ng System IC check mo kung nag dro-drop ang voltage, maganda actual replaced muna at kung mag drop voltages parin, i think sira na system IC mo. cge gud luck.
tnks sir, ok nmn ang reg papunta system at y0ng xsistor driver ng relay. Ang problim lng kc pg jumper ang relay s b+ ay gumagana pero s 110vac lng, pg 220vac ay my kdiliman ang screen..Pg di n tlg ma s0lve ay pbilhan ko n lng s may ari ng 110 xf0rmer at i jumper n lng ang relay pra wl n maraming gastos hehe. Angal kc c0stomers di2 pg mrami gastos ang mga set nila, kramihan s ginagawa ko di2 ay halos improvise nalang, kc iwas gasto s c0stumer, pg mrami gasto ay di nila pinarirepair.
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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #3 on: March 01, 2010, 11:28:52 AM »

Offline sundyhips

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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #4 on: March 01, 2010, 11:52:09 AM »
try mo check resestor sa malapit sa flyback r545 yata yon,mdyo nakalimotan ko basta yello ang last ng kulay ng resestor,,mag hold down cya kase nag change value,,common syntoms yan ng sharp dynamics or senema series,tnx update mo nalng ako,
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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #4 on: March 01, 2010, 11:52:09 AM »

Offline envader

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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #5 on: March 01, 2010, 12:22:41 PM »
try mo check resestor sa malapit sa flyback r545 yata yon,mdyo nakalimotan ko basta yello ang last ng kulay ng resestor,,mag hold down cya kase nag change value,,common syntoms yan ng sharp dynamics or senema series,tnx update mo nalng ako,
ah ok sir, apply ko advice nyo, update ko kyo,
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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #6 on: March 02, 2010, 01:07:38 PM »
Mga boss, update po, pero gan0n pa rin, test ok lht pero hold down p rin, ano p kaya ang kulang? Pag 220vac ang ginagamit at nakajumper ang relay sa b+ line ay nag gumagana ang set pero madilim ang screen, pag 110vac naman ay ok ang screen pero nakajumper parin ang relay, kpg hnd nkajumper ang relay ay hold down, whats wr0ng?
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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #7 on: March 02, 2010, 05:53:39 PM »
Isa pa p0ng problima ay 75v lng ang b+ nito pg nag ocsolate, ano p ba ang other typical fault pag ganitong symptoms?
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Offline pete

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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #8 on: March 02, 2010, 05:58:15 PM »
malamang may problema ka pa sa power supply...
replace mo ang mga small ecaps sa ps at replace mo rin ang 160v100uf secondary

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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #9 on: March 02, 2010, 08:06:35 PM »
malamang may problema ka pa sa power supply...
replace mo ang mga small ecaps sa ps at replace mo rin ang 160v100uf secondary
ah ok sir, pero pg 110vac ay medyo maganda po ang screen, pero ginawa kanina uli ay lumaki ang picture pataas, wala naman ak0ng nakitang video size adjustment. Pano po ba iadjust ang video size nito?
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Offline I n s i d e r 2010

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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #10 on: March 02, 2010, 09:45:31 PM »
eeprom data

jan mo iadjust ang vert size kung gusto mo baguhin

ang PIKON ay laging TALO,tandaan nyo po yan mga kapatid. IRESPETO ang bawat isa!
ang PANLALAIT sa kapwa ay isang kasalanan na
pagbabayaran mo rin balang araw!

Offline envader

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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #11 on: March 02, 2010, 09:47:51 PM »
Sir pete, ano ano ba ang faults n0ng set mo noon? Ano ano ba ang pinalitan mo?
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Offline pete

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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #12 on: March 03, 2010, 07:55:19 AM »
Sir pete, ano ano ba ang faults n0ng set mo noon? Ano ano ba ang pinalitan mo?
hold down ang trouble nun sa akin ang sayo malamang mataas ang B+ nyan pag nakalagay sa 220v sukatan mo

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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #13 on: March 03, 2010, 08:42:49 AM »
eeprom data

jan mo iadjust ang vert size kung gusto mo baguhin


sir, paano iadjust ang video size nya sa eeprom? Kilangan p bang ireprogramme?
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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #14 on: March 03, 2010, 08:50:24 AM »
hold down ang trouble nun sa akin ang sayo malamang mataas ang B+ nyan pag nakalagay sa 220v sukatan mo
sir, gan0n di it0ng set ko hold down din, working lng if nkajumper ang relay, sa 220vac ay gan0n nga po, 75v parin ang b+ kaya kulang sa left/right ang screen, pero sa 110vac ay medyo ok ang screen. Bakit kaya? Sira na ba ang autobolts nito?
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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #15 on: March 03, 2010, 09:00:16 AM »
may change value na resistor, ecaps dyan kaya ganyan. pwede rin ang power IC

naalala mo ang post ko dati na sharp din pag 110vac ok pag 220vac ayaw? malamang ganyan din ang trouble.

hung mona ang HOT tapus tingnan mo ang B+ kong mag 115vdc  lagyan mo nang bulb mga 60w yong isang wire sa collector at yong isapang wire sa ground on mo ang unit din monitor B+ kong mag normal. try mo sa 110vac at 220vac para malaman natin kong ok ang ps....

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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #16 on: March 03, 2010, 11:23:29 AM »
subscribing.... ska basa mode muna..
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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #17 on: March 03, 2010, 04:03:13 PM »
sir risistor follow question lang...

Pag ON ba nya sa 110v with the shorted relay trick e ganon na picture nya na nakastrech ung height na agad tulad ng cinabi mo? Or my ginalaw ka pa kaya nagkaganon height?
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Offline pEN DoTA

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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #18 on: March 03, 2010, 04:20:43 PM »
mukhang sa P.S yata problema mo sis. hang muna HOT then monitor mo ung B+.
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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #19 on: March 03, 2010, 08:21:51 PM »
ps pa nga talaga ang sira ng unit nya

mas better na hagilapin mo muna ang ps ckt kesa dayain mo sa eeprom data kz naka110 volts ac line ka pa

step by step kapatid ng ndi matorta ang itlog  este isip mo
ang PIKON ay laging TALO,tandaan nyo po yan mga kapatid. IRESPETO ang bawat isa!
ang PANLALAIT sa kapwa ay isang kasalanan na
pagbabayaran mo rin balang araw!

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Re: Help! Sharp 14v-j50m, friendly series ll
« Reply #19 on: March 03, 2010, 08:21:51 PM »

 

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