Sony kv-21JDR1/S Retrace line only

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Sony kv-21JDR1/S Retrace line only

Post by kaholito on Wed May 22, 2013 2:08 pm

Mga master may nakita po akong open na 220hms kasama ung transistor a1091 ata po un.pinalitan ko na po pero ganun pa din.ung retace line nalabas pag tinataasan lng po ang screen adj.may surface mount na transistor q350.hindi po sya napalo ng katulad ng ordinary transistor sa multitester.mataas po ang resistance.sa may jungle po sya malapit.ano po kaya magandang replacement d2?

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Re: Sony kv-21JDR1/S Retrace line only

Post by ultrasonic™ on Fri May 24, 2013 7:19 pm

sa tingin ko sis... ok pa yan.. di kasi yan ordinary tranny... my built in resist na yan... serve as Protector driver.. check mo nlng muna sis kng buo ba lahat ng supply ng tuner sect, S. amp sect, jungle at C board

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Re: Sony kv-21JDR1/S Retrace line only

Post by ultrasonic™ on Fri May 24, 2013 7:20 pm

btw same ba cla sis in both mode?

Tuner & AV mode?

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Re: Sony kv-21JDR1/S Retrace line only

Post by kaholito on Sat May 25, 2013 8:18 pm

Both mode po may retrace lines pag tinataasan ang screen may sound nman sya.napalitan kn po ung nasirang trnsistor at resistor 220ohms sa C board.ganun pa din kumpleto nmn po ang supply sa c board.hindi po ba madaling masira ang jungle ng sony?

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Re: Sony kv-21JDR1/S Retrace line only

Post by arkin on Sat May 25, 2013 9:16 pm

nkavideo mute cguro yan,kya ngretrace pagtinaasan yong screen.chek c bord at crt socket.ckek rin f equal yong RGB gun.

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Re: Sony kv-21JDR1/S Retrace line only

Post by ultrasonic™ on Mon May 27, 2013 6:17 pm

agreed kay arkin.. pwde ngang nkavideo mute....
@sis ts.. double check nlng muna bka di nga balanse ang 3 gun..,, monitor mo ang supply ng jungle.. check din ang CPT socket... may map nmn tau para di maligaw... eto bka mkatulong

http://aelexian.4rumer.com/t239-sony-tv-model-mkii-jdr1-jsr1-jxr1


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Re: Sony kv-21JDR1/S Retrace line only

Post by kaholito on Mon May 27, 2013 9:29 pm

ano po b ibig sabihin pag naka video mute?un pong link wla po syang diagram.

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Re: Sony kv-21JDR1/S Retrace line only

Post by ultrasonic™ on Tue May 28, 2013 1:37 pm

^ my diagram yan sis.... click mo lang ang nkayellow
or eto nlng direct link nya sa 4shared

btw.. video mute means tinuturn off ng Protection circuit ang video output o display ng TV mo.. for the SONY model, kilala yan sa tawag na IK.. mostly, cause yan ng mahina na ang isa, dalawa o tatlo sa mga GUn... read nlng dito - >SONY IK BYPASSING

sna mkatulong

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Re: Sony kv-21JDR1/S Retrace line only

Post by DJFEL on Wed May 29, 2013 9:34 pm

saan naka kabit yong 220hms at saka a1091...para ma sondan na tin..parang may probs sa paliged yong sira na risistor at saka a1091..

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Re: Sony kv-21JDR1/S Retrace line only

Post by kaholito on Wed May 29, 2013 10:39 pm

sa c board po.

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Re: Sony kv-21JDR1/S Retrace line only

Post by DJFEL on Thu May 30, 2013 8:51 am

kaholito wrote:sa c board po.
ganon ba..pake voltge chik sa c bord lahat nang supply..parang wlang supply dyan..pake chik ren ang ABL paliged nang FBT yong risistor..parang dyan lang ang probs..

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Re: Sony kv-21JDR1/S Retrace line only

Post by kaholito on Thu May 30, 2013 9:45 am

ok nmn po mga voltages sa c board.ano po b value ng resistor kalimitan bumibigay sa paligid ng abl.ang liliit naman ksi ng mga resistor ng sony.

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Re: Sony kv-21JDR1/S Retrace line only

Post by baddypepito on Thu May 30, 2013 10:45 am

meron jan 10k at 33k

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Re: Sony kv-21JDR1/S Retrace line only

Post by DJFEL on Thu May 30, 2013 6:31 pm

baddypepito wrote:meron jan 10k at 33k


pake chik tong risistor nato...

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Re: Sony kv-21JDR1/S Retrace line only

Post by drian on Wed Jun 05, 2013 1:11 am

sir check mo din c board ung IK buffer tranny baka shorted...check mo din serial data baka di nag reresponse..... V. Blanking pulses.

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Re: Sony kv-21JDR1/S Retrace line only

Post by DJFEL on Wed Jun 05, 2013 12:42 pm

ano apdit kaaya neto..

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Re: Sony kv-21JDR1/S Retrace line only

Post by kaholito on Sat Sep 07, 2013 6:10 pm

May Siracusa pla po Ito sa CRT board a1091 tranny.new problem po may sound wla video.wlang 2volts sa rgb out trace ko po sa jungle wla 2volts output.sira kaya jungle into?

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Re: Sony kv-21JDR1/S Retrace line only

Post by DJFEL on Mon Sep 09, 2013 9:18 am

ok ba 1000v neto at saka 200v sa c bord..or baka crt sokit probs neto baka lines mood lang katapat neto..

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Re: Sony kv-21JDR1/S Retrace line only

Post by Hertz on Wed Sep 11, 2013 10:57 am

hinang mo nga ang crt board, baka mag ka voltage ka dyan
subukan mo na din palitan ang trimmer ng screen supply

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Re: Sony kv-21JDR1/S Retrace line only

Post by kaholito on Thu Sep 12, 2013 12:01 pm

Meron po akong isang extra Sony CRT board na gumagana kaya pero ganun p rin 0 volts pa rin ang rgb nya mula sa jungle.

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Re: Sony kv-21JDR1/S Retrace line only

Post by ultrasonic™ on Thu Sep 12, 2013 12:18 pm

^ 0V pag nkaload na ang picstube?
weak tube na yan sis or shorted... 
na try mo ba ang suggestion nina hertz.. try mo wag munang e load ang C board or rgb driver.. tignan natin kong lalabas... 

try mo din bulagin ang IK nyan

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Re: Sony kv-21JDR1/S Retrace line only

Post by kaholito on Thu Sep 12, 2013 12:31 pm

Try ko na rin po sa bagong CRT tube ganun pa din.tinanggal ko po ung wire ng rgb at 9v sa board wla pa rin po napansin ko po mataas ang rgb voltage nya pag nka 0volts ang rgb mula sa jungle 189yata po iyon pag may 2voltspong supply sa rgb NASA 130 v lng yata sya tapos nagkakapicture na sya.

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Re: Sony kv-21JDR1/S Retrace line only

Post by ultrasonic™ on Thu Sep 12, 2013 1:12 pm

normal lng yan pg naka mute to 0 ang rgb pin ng jungle CXA1464AS
mataas tlga yang masusukat mo sa mga GUN mo... during pag kaka ON. my wait mode pa yan ng aprox. 10 secs beyond to unmute... 
kaya nga mas maganda kng bypass mo ang IK ckt... pra makausad ka... kng nanjan tlga ang probz... 

xa nga pala nag direct sub ka na ba sis ng 680K at Screen trimmer?

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Re: Sony kv-21JDR1/S Retrace line only

Post by DJFEL on Thu Sep 12, 2013 9:55 pm

ano na pala apdit neto..wla pa ren pang babago..wla pa ren pa A/V neto piro my sound..na chik na ba yong supply nang FBT yong 1000v  at saka 200v...na chik mo ba abl neto 47k risistor..f ok yan jungle ka mang trouble..araro lahat..may lick yata dyan ziner diode or risistor ect...

piro yong ky sis ultra monang gawen para mang ka alaman na..

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Re: Sony kv-21JDR1/S Retrace line only

Post by DJFEL on Thu Sep 12, 2013 9:56 pm

parang kaylangan mo mapa neto...

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Re: Sony kv-21JDR1/S Retrace line only

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