jvc tv av-21va15 protect problem,heeds help to all masters..
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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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jvc tv av-21va15 protect problem,heeds help to all masters..
hi to all masters,pakitulong naman trobol ng jvc mag protect sya pag on ko,4x petik yong relay tapos standby.pro pag e hang ko yong eeprom may osc.sya vertical ang labas ,naisip ko vertical ang sira kaya pinalitan ko,wala paring nangyari.meron naman supply ang vert galing fbt,neg.13 and pos 13v.kaso lang lang wala akong makitan signal galing cpu TDA12062H/N1D00 patungo doon vertical input la78040n, posible kaya cpu ang sira?please advice!thanks in advance...
daltanics- AA Battery
- Posts : 118
Join date : 2011-10-30
Age : 44
Location : davao city
Re: jvc tv av-21va15 protect problem,heeds help to all masters..
master di kaya eeprom ang sira niyan ?
Electro- 24V BATTERY
- Posts : 1488
Join date : 2010-08-26
Age : 35
Location : Calinan Davao City
Re: jvc tv av-21va15 protect problem,heeds help to all masters..
pinalitan ko na rin ng eeprom, doon ako mismo nagkuha ng file sa gumagana kaparehas na model,wala kasi akong makita na pdf sa tda120xx nya,baka meron kayo makita na schematic diagram nito
daltanics- AA Battery
- Posts : 118
Join date : 2011-10-30
Age : 44
Location : davao city
Re: jvc tv av-21va15 protect problem,heeds help to all masters..
Master check m0 mga supplies muh fr0m smps,may nagawa me ganyan,.ang sira sh0rted n diode, rectifier sa smps ewan ko lng kung same yang sira ng say0,
zandertech- D Battery
- Posts : 300
Join date : 2011-09-29
Location : bulacan
Re: jvc tv av-21va15 protect problem,heeds help to all masters..
bka CW2 chassis ito ?
sis na try mu na tignan dito ?
https://aelexian.forumotion.com/f14-television-schematic-diagram
on topic:
na check muna sis ang mga LV reg.. 12V, 9V at 5 ?
ultrasonic™- 24V BATTERY
- Posts : 4475
Join date : 2010-08-19
Age : 38
Location : Davao City
Re: jvc tv av-21va15 protect problem,heeds help to all masters..
master parang tama si master zandertech bka kc may problema sa regulator paki check daw sa lahat ng mga output voltage kung meron...sana nakatulong...
triac- 12V BATTERY
- Posts : 792
Join date : 2011-04-28
Re: jvc tv av-21va15 protect problem,heeds help to all masters..
to master zandertech:ok naman yong switch mode power supply,ang b+135,to master ultra:meron naman 12v,5v,kumpleto naman lahat voltage sa power supply pag tanggalin ko ang eeprom.thanks to all....
daltanics- AA Battery
- Posts : 118
Join date : 2011-10-30
Age : 44
Location : davao city
AELEXIAN EMPIRE :: Analog and Mixed Signal Device Repair (Electronics Technician Board) :: (Electronics Technician Board) :: CRT TV REPAIR
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