sharp tv shutdown problem 21V-j300xb

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sharp tv shutdown problem 21V-j300xb

Post by triac on Thu Feb 07, 2013 9:27 am

mga sis tulong bangongot na problem pina test ko ang FBT ok naman,I check the H-out at sinuyod ko na yung secondary periphirals wala akong nakita.May standby B+ naman 120V sa relay,kaya lng kapag on ko sa secondary power button shutdown talaga agad ang B+ sa FBT .Ano po ba ang value ng zener diode na D631 malapit sa jungle?may duda kasi ako na sira walang reading in reverse set ko ang tester 100k,d rin ako sure sa value nito.salamat po sa lahat.. Question

Major parts:

Jungle ic:X2701CEN1
H-out:D2596
Regulator:D1884

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Re: sharp tv shutdown problem 21V-j300xb

Post by DJFEL on Thu Feb 07, 2013 11:48 am

parang may naka protic neto ha...ok lang ba yong vertical section neto...

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Re: sharp tv shutdown problem 21V-j300xb

Post by ultrasonic™ on Thu Feb 07, 2013 2:17 pm

kng L2 chassis to..

D631 = 9.1v zener regultor for Hvcc
pkicheck lng sis..

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Re: sharp tv shutdown problem 21V-j300xb

Post by triac on Fri Feb 08, 2013 9:08 am

@sir DJFEL ok lng po ang vertical section na check ko po yung mga perohperals at bago na po yung IC..
@sir ultra salamat po sir..+ 1 at pogi points po kayong dalawa.. Very Happy

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Re: sharp tv shutdown problem 21V-j300xb

Post by DJFEL on Fri Feb 08, 2013 10:18 am

parang ganon...mga ziner yata naka protic yan..soyod lahat sis...

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Re: sharp tv shutdown problem 21V-j300xb

Post by triac on Sat Feb 09, 2013 9:07 am

mga sis sakit sa ulo,nasira yung IC na binili ko.Ano kaya problema nito?mayroon po ba kayong schematic diagram? Sad

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Re: sharp tv shutdown problem 21V-j300xb

Post by ultrasonic™ on Sat Feb 09, 2013 11:51 am


^ anong ic ba ang nsisira sis?

kng ka series yan ng L2 chassis
pwde mo ng gawin bases ang J70m

http://aelexian.4rumer.com/t421-sharp-tv-chassis-l2-valeo-j70m

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Re: sharp tv shutdown problem 21V-j300xb

Post by triac on Sat Feb 09, 2013 12:30 pm

sir ultra ang jungle IC ang nasisisra... Question

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Re: sharp tv shutdown problem 21V-j300xb

Post by ultrasonic™ on Sat Feb 09, 2013 12:52 pm


bat mo nasabing nsisira.. nasusunog ba sis?
bka mataas ang Hvcc mo?

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Re: sharp tv shutdown problem 21V-j300xb

Post by zandertech on Sat Feb 09, 2013 11:07 pm

sir just a week ago i made the same tv brand nag o-on namn may B + din normal sa analog at digital then a few seconds namamatay the problem i found was at the primary section i resolder the driver ic of D1884 regulator ok na sya.,una kc i suspect the fbt or yoke then i test it with my ringer and fbt tester all two are fine with green LEDS on ringer,.pinalitan ko rin ung HOT pati relay kc nga may B+ nmn ,.un pla dun lng sa primary ang problema ,.sana makatulong Smile

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Re: sharp tv shutdown problem 21V-j300xb

Post by triac on Mon Feb 11, 2013 6:28 pm

@sir ultra d naman nasusunog,kaya lng nagdadrop yong Hvcc na 9v...I test the Hvcc pin to ground sa IC jungle shorted na naman po..Haiz..
@sir zandertech ang problema ko yung Hvcc walang supply

mga master subukan kung palitan ng bagong Ic kung papayag pa ang customer,mayron kasing nakita na loscon malapit sa spiderIC..salamat po..

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Re: sharp tv shutdown problem 21V-j300xb

Post by DJFEL on Wed Feb 13, 2013 2:29 pm

may mapa ka neto sis..para ma sondan naten..

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Re: sharp tv shutdown problem 21V-j300xb

Post by ultrasonic™ on Thu Feb 14, 2013 5:38 pm


sis triac bka mtaas ang Hvcc mo monitor mo muna.. o sabihin nlng natin pati na rin ang B+ mo..

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Re: sharp tv shutdown problem 21V-j300xb

Post by triac on Fri Feb 15, 2013 9:19 am

@sis DJFEL wala po akong mapa
mga sis kinuha na po ng may ari bibili nalang po daw sya ng bago..salamat po...

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Re: sharp tv shutdown problem 21V-j300xb

Post by ultrasonic™ on Fri Feb 15, 2013 11:43 am


sayang nmn... duda ako tumataas ang supply mo during oscillation sis.. pero ok lng yan.. kasali yan sa trabaho natin (^_^

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Re: sharp tv shutdown problem 21V-j300xb

Post by DJFEL on Sat Feb 16, 2013 9:47 am

sayang pang aralan palang natin deto...okis lang...daming pang pasinte domating..

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Re: sharp tv shutdown problem 21V-j300xb

Post by Electro on Thu Feb 21, 2013 2:50 pm

sayang naman master triac. baka tama si master ultrasonic™, mataas ang 9v supply ng jungle. baka sira ang zener nag open

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Re: sharp tv shutdown problem 21V-j300xb

Post by triac on Sat Mar 02, 2013 9:03 am

Electro wrote:sayang naman master triac. baka tama si master ultrasonic™, mataas ang 9v supply ng jungle. baka sira ang zener nag open

di po mataas master electro drop po yung 9V ..bangungut talaga yon.. Mad

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Re: sharp tv shutdown problem 21V-j300xb

Post by triac on Sat Mar 02, 2013 9:04 am

Electro wrote:sayang naman master triac. baka tama si master ultrasonic™, mataas ang 9v supply ng jungle. baka sira ang zener nag open

di po mataas master electro drop po yung 9V ..bangungut talaga yon.. Mad

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Re: sharp tv shutdown problem 21V-j300xb

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