JVC AV-20N33 Timer Blinking problem
+2
ultrasonic™
plong
6 posters
AELEXIAN EMPIRE :: Analog and Mixed Signal Device Repair (Electronics Technician Board) :: (Electronics Technician Board) :: CRT TV REPAIR
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JVC AV-20N33 Timer Blinking problem
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.....
thanks po in Advance.....
Re: JVC AV-20N33 Timer Blinking problem
ano exact model nyan sis or chassis nlng...
para mlaman natin kong yan ba ang my BWST ic, cow or pqxx
para mlaman natin kong yan ba ang my BWST ic, cow or pqxx
ultrasonic™- 24V BATTERY
- Posts : 4475
Join date : 2010-08-19
Age : 38
Location : Davao City
Re: JVC AV-20N33 Timer Blinking problem
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...
btw if im not mistaken..chassis GA2 or CG ata to
confirm ko nlng muna sa files ko...
ultrasonic™- 24V BATTERY
- Posts : 4475
Join date : 2010-08-19
Age : 38
Location : Davao City
Re: JVC AV-20N33 Timer Blinking problem
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
special kng dual voltage.. 12 & 5V
try mong direct sub muna
ultrasonic™- 24V BATTERY
- Posts : 4475
Join date : 2010-08-19
Age : 38
Location : Davao City
Re: JVC AV-20N33 Timer Blinking problem
panu ipopost ung picture ng board nya para po mas madali po pag analize natin....
Re: JVC AV-20N33 Timer Blinking problem
paki chik po ecap naka paliged po sa FBT...may lick dyan
250/10uf yata..paki soyod nalang..
250/10uf yata..paki soyod nalang..
DJFEL- 24V BATTERY
- Posts : 1780
Join date : 2012-11-21
Age : 42
Location : SIUIJOR
Re: JVC AV-20N33 Timer Blinking problem
connected yata sa B+ yan..parang ganon..
DJFEL- 24V BATTERY
- Posts : 1780
Join date : 2012-11-21
Age : 42
Location : SIUIJOR
Re: JVC AV-20N33 Timer Blinking problem
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... san pa kya pwd magtrouble nito...abang na lang sa mga idea nyo mga master...
Re: JVC AV-20N33 Timer Blinking problem
e2 nga po pala ang board nung JVC AV-20N33 timer blinking trouble.....hope na matulungan nyo po ako thanks 2 all
Re: JVC AV-20N33 Timer Blinking problem
try directly replace the vertical ic
baddypepito- C Battery
- Posts : 295
Join date : 2012-08-08
Age : 36
Location : mandaue city cebu
Re: JVC AV-20N33 Timer Blinking problem
ok master baddypepito..gagawin ko to ngaun uupdate po kita kung anu result mamya..salamat!!
Re: JVC AV-20N33 Timer Blinking problem
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
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
ultrasonic™- 24V BATTERY
- Posts : 4475
Join date : 2010-08-19
Age : 38
Location : Davao City
Re: JVC AV-20N33 Timer Blinking problem
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
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
Re: JVC AV-20N33 Timer Blinking problem
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... thank u all mga master!!!!
baddypepito- C Battery
- Posts : 295
Join date : 2012-08-08
Age : 36
Location : mandaue city cebu
Re: JVC AV-20N33 Timer Blinking problem
oie ayoz.. good reference nato sa mga readers (^_^
+1 sis sa pag update
+1 sis sa pag update
ultrasonic™- 24V BATTERY
- Posts : 4475
Join date : 2010-08-19
Age : 38
Location : Davao City
Lenaren- C Battery
- Posts : 294
Join date : 2012-02-26
Location : Iloilo
Re: JVC AV-20N33 Timer Blinking problem
plong wrote:
pang may mapa....sapol agad...okis yan...congrats...
DJFEL- 24V BATTERY
- Posts : 1780
Join date : 2012-11-21
Age : 42
Location : SIUIJOR
Re: JVC AV-20N33 Timer Blinking problem
galing. +1 sa mga master
Electro- 24V BATTERY
- Posts : 1488
Join date : 2010-08-26
Age : 35
Location : Calinan Davao City
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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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