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JVC AV-20N33 Timer Blinking problem

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ultrasonic™
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Post by plong Thu Jul 04, 2013 9:17 pm

anu po kya sira pag lagi nka on ung timer indicator nya..pag switch power on po bago magliwanag ang tube namamatay na ang tv. jvc model AV-20N33...nasuyod ko na po kc lahat ng supply B+,5V9V12V all good pero pag power on Timer blingking parin...any idea po about this problem of JVC tv??

thanks po in Advance.....
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Post by ultrasonic™ Fri Jul 05, 2013 7:14 pm

ano exact model nyan sis or chassis nlng...

para mlaman natin kong yan ba ang my BWST ic, cow or pqxx
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Post by plong Fri Jul 05, 2013 7:34 pm

Model: AV 20N33 po sis Ultra....
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Post by ultrasonic™ Fri Jul 05, 2013 7:39 pm

ai sori.. ang tanga ko, my model na pala sa title
btw if im not mistaken..chassis GA2 or CG ata to
confirm ko nlng muna sa files ko...
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Post by ultrasonic™ Fri Jul 05, 2013 7:41 pm

or try mu nlng tignan sa board sis kong mga LV reg jan na 4 pins..
special kng dual voltage.. 12 & 5V
try mong direct sub muna
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Post by plong Fri Jul 05, 2013 7:50 pm

panu ipopost ung picture ng board nya para po mas madali po pag analize natin....
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Post by DJFEL Fri Jul 05, 2013 10:29 pm

paki chik po ecap naka paliged po sa FBT...may lick dyan 
250/10uf yata..paki soyod nalang..
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Post by DJFEL Fri Jul 05, 2013 10:30 pm

connected yata sa B+ yan..parang ganon..Smile
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Post by plong Sat Jul 06, 2013 7:45 am

thanks DJFEL try ko....
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Post by plong Sat Jul 06, 2013 1:43 pm

update ko lang djfel ganun parin.....alang pagbabago pinalitan ko na din ng bago mga ecap..pati na ung 47/160v,100/160v,22,250v pero alang pagbabago...timer blink parin...Sad san pa kya pwd magtrouble nito...abang na lang sa mga idea nyo mga master...
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Post by plong Mon Jul 08, 2013 5:21 pm

hello??? tao po???
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Post by plong Mon Jul 08, 2013 10:22 pm

JVC AV-20N33 Timer Blinking problem Pictur15
  e2 nga po pala ang board nung JVC AV-20N33 timer blinking trouble.....hope na matulungan nyo po ako thanks 2 all
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Post by baddypepito Mon Jul 08, 2013 10:54 pm

try directly replace the vertical ic
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Post by plong Tue Jul 09, 2013 8:31 am

ok master baddypepito..gagawin ko to ngaun uupdate po kita kung anu result mamya..salamat!!
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Post by ultrasonic™ Tue Jul 09, 2013 4:48 pm

based on the board
chassis GA2 nga yan sis...
eto references mo...
https://aelexian.forumotion.com/t1014-jvc-tv-chassis-ga2#12213
hiniram ko nga pala pic mo  (^_^

sana ok lang


on topic:
resolder ka na rin muna sis... balikan ko lng to mamaya
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Post by plong Wed Jul 10, 2013 2:53 am

napalitan ko na nga po pala vertical ic master baddypepito pero ganun pa din po and naresolder ko na din...tatry ko po muna mag test volt my mga nakita po kc ako dun na test point ng mga voltahe sa reference na binigay ni sis
ultrasonic salamat po sa diagram focus po muna ako sa mga voltahe uupdate na lang po ako later......ala po palang problema dun sis ultrasonic sa pic hehe ala po akong digicam ordinary webcam lang po ung gamit ko kaya medyo malabo Laughing
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Post by plong Wed Jul 10, 2013 9:29 am

JVC AV-20N33 Timer Blinking problem Untitl11
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Post by plong Wed Jul 10, 2013 9:44 am

e2 na po pla ang na trace ko na salarin mga master kung bakit nagbiblink ung timer indicator nya lagi at ayaw magtuloy ung power nya ung D705 po na zener na 5.6V po ang value nya shorted kaya po pala kinakapos sa supply ung micro comp nya...malaking tulong po ung binigay na references ni sis ultra +1point ka po sa akin sis ultra.... and salamat din po sa ibang master natin na nagbigay din ng kanikanilang mga idea.... case closed po ung JVC AV - 20N33 timer blingking problem!!! running in good condition po uli cia...bounce thank u all mga master!!!!congratulation
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Post by baddypepito Thu Jul 11, 2013 7:40 am

ayos! congrats sis Laughing 
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Post by ultrasonic™ Thu Jul 11, 2013 1:36 pm

oie ayoz.. good reference nato sa mga readers (^_^

+1 sis sa pag update
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Post by Lenaren Fri Jul 12, 2013 9:54 am

congrats!!
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Post by DJFEL Fri Jul 12, 2013 2:01 pm

plong wrote:JVC AV-20N33 Timer Blinking problem Untitl11

 pang may mapa....sapol agad...okis yan...congrats...
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Post by plong Fri Jul 12, 2013 7:35 pm

tama ka dj fel ..thank u all!!! mga master!!!
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Post by Electro Fri Aug 16, 2013 5:23 pm


galing. +1 sa mga master
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