Sony kv-21JDR1/S Retrace line only
+5
baddypepito
DJFEL
arkin
ultrasonic™
kaholito
9 posters
AELEXIAN EMPIRE :: Analog and Mixed Signal Device Repair (Electronics Technician Board) :: (Electronics Technician Board) :: CRT TV REPAIR
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Sony kv-21JDR1/S Retrace line only
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?
kaholito- C Battery
- Posts : 162
Join date : 2011-10-11
Re: Sony kv-21JDR1/S Retrace line only
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
ultrasonic™- 24V BATTERY
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Re: Sony kv-21JDR1/S Retrace line only
btw same ba cla sis in both mode?
Tuner & AV mode?
Tuner & AV mode?
ultrasonic™- 24V BATTERY
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Re: Sony kv-21JDR1/S Retrace line only
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?
kaholito- C Battery
- Posts : 162
Join date : 2011-10-11
Re: Sony kv-21JDR1/S Retrace line only
nkavideo mute cguro yan,kya ngretrace pagtinaasan yong screen.chek c bord at crt socket.ckek rin f equal yong RGB gun.
arkin- D Battery
- Posts : 446
Join date : 2011-12-02
Re: Sony kv-21JDR1/S Retrace line only
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
https://aelexian.forumotion.com/t239-sony-tv-model-mkii-jdr1-jsr1-jxr1
@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
https://aelexian.forumotion.com/t239-sony-tv-model-mkii-jdr1-jsr1-jxr1
ultrasonic™- 24V BATTERY
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Re: Sony kv-21JDR1/S Retrace line only
ano po b ibig sabihin pag naka video mute?un pong link wla po syang diagram.
kaholito- C Battery
- Posts : 162
Join date : 2011-10-11
Re: Sony kv-21JDR1/S Retrace line only
^ 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
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
ultrasonic™- 24V BATTERY
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Re: Sony kv-21JDR1/S Retrace line only
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..
DJFEL- 24V BATTERY
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Re: Sony kv-21JDR1/S Retrace line only
sa c board po.
kaholito- C Battery
- Posts : 162
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Re: Sony kv-21JDR1/S Retrace line only
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..kaholito wrote:sa c board po.
DJFEL- 24V BATTERY
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Re: Sony kv-21JDR1/S Retrace line only
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.
kaholito- C Battery
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Re: Sony kv-21JDR1/S Retrace line only
meron jan 10k at 33k
baddypepito- C Battery
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Re: Sony kv-21JDR1/S Retrace line only
baddypepito wrote:meron jan 10k at 33k
pake chik tong risistor nato...
DJFEL- 24V BATTERY
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Re: Sony kv-21JDR1/S Retrace line only
sir check mo din c board ung IK buffer tranny baka shorted...check mo din serial data baka di nag reresponse..... V. Blanking pulses.
drian- AAA Battery
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Re: Sony kv-21JDR1/S Retrace line only
ano apdit kaaya neto..
DJFEL- 24V BATTERY
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Re: Sony kv-21JDR1/S Retrace line only
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?
kaholito- C Battery
- Posts : 162
Join date : 2011-10-11
Re: Sony kv-21JDR1/S Retrace line only
ok ba 1000v neto at saka 200v sa c bord..or baka crt sokit probs neto baka lines mood lang katapat neto..
DJFEL- 24V BATTERY
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Re: Sony kv-21JDR1/S Retrace line only
hinang mo nga ang crt board, baka mag ka voltage ka dyan
subukan mo na din palitan ang trimmer ng screen supply
subukan mo na din palitan ang trimmer ng screen supply
Hertz- Admin
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Re: Sony kv-21JDR1/S Retrace line only
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.
kaholito- C Battery
- Posts : 162
Join date : 2011-10-11
Re: Sony kv-21JDR1/S Retrace line only
^ 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
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
ultrasonic™- 24V BATTERY
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Re: Sony kv-21JDR1/S Retrace line only
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.
kaholito- C Battery
- Posts : 162
Join date : 2011-10-11
Re: Sony kv-21JDR1/S Retrace line only
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?
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?
ultrasonic™- 24V BATTERY
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Re: Sony kv-21JDR1/S Retrace line only
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..
piro yong ky sis ultra monang gawen para mang ka alaman na..
DJFEL- 24V BATTERY
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Re: Sony kv-21JDR1/S Retrace line only
parang kaylangan mo mapa neto...
DJFEL- 24V BATTERY
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AELEXIAN EMPIRE :: Analog and Mixed Signal Device Repair (Electronics Technician Board) :: (Electronics Technician Board) :: CRT TV REPAIR
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