JVC 21BA17B problem
+6
ultrasonic™
totoy
daltanics
Hertz
Electro
willyboy
10 posters
AELEXIAN EMPIRE :: Analog and Mixed Signal Device Repair (Electronics Technician Board) :: (Electronics Technician Board) :: CRT TV REPAIR
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JVC 21BA17B problem
mga brod.. patulong uli.. kasi yung JVC TV ko... sira din
pag nag on ka. red light indicator sa baba tv is on. but if you push any button, black screen pa rin, red light indicator is on, but you can hear ng tick tick, tick tick, tick tick ( parang trying to switch on and off )
then mawala yung tick sound. but if you push any button uli.. tick sound uli..
what is the possible cause kaya mga brod... patulong nman,, GOD bless !!!
pag nag on ka. red light indicator sa baba tv is on. but if you push any button, black screen pa rin, red light indicator is on, but you can hear ng tick tick, tick tick, tick tick ( parang trying to switch on and off )
then mawala yung tick sound. but if you push any button uli.. tick sound uli..
what is the possible cause kaya mga brod... patulong nman,, GOD bless !!!
willyboy- AA Battery
- Posts : 74
Join date : 2011-10-28
Location : Muntinlupa / Bocaue Bulacan
Re: JVC 21BA17B problem
mukhang may shorted kayong parts sa secondary willyboy. check mong maigi. ang horizontal output transistor mo baka shorted na. kong may zener diode ang tv mo na parang r2ks ang larawan. check mo din.
Electro- 24V BATTERY
- Posts : 1488
Join date : 2010-08-26
Age : 35
Location : Calinan Davao City
Re: JVC 21BA17B problem
brod..baka may schematic diagram ka nman dyan or yung mga ka brod natibn d2..need ko lang sa model na ito.. what do you think other cause kung ok naman yung transistor..
ok din yung zener diode
thanks uli sa tulong brod..
ok din yung zener diode
thanks uli sa tulong brod..
willyboy- AA Battery
- Posts : 74
Join date : 2011-10-28
Location : Muntinlupa / Bocaue Bulacan
Re: JVC 21BA17B problem
willy baka shorted ang Horizontal transistor mo. na check mo na ba iyan ?
_________________
3rd member of STTM
former 4th member
Hertz- Admin
- Posts : 1822
Join date : 2010-08-12
Age : 43
Location : Cagayan De Oro City
Re: JVC 21BA17B problem
master willy ano ano ang mga piyesa sa loob ? baka may board ako dito na katulad niyan. regulator. system. jungle. baka may chassis iyan master post mo na lang
Electro- 24V BATTERY
- Posts : 1488
Join date : 2010-08-26
Age : 35
Location : Calinan Davao City
Re: JVC 21BA17B problem
ehang yong b+ papuntang fbt tapos sukatin ang voltage kung tama.
daltanics- AA Battery
- Posts : 118
Join date : 2011-10-30
Age : 44
Location : davao city
Re: JVC 21BA17B problem
mga brod.. yung ticking on and off sa relay nawala.. kaso napunta naman yung tick sound sa FLYBACK.. wahhhhhh..lumipat lang,, paano kaya yun.. ok nman mga diode at transistor upon component testing..
yung board model e ito po :GG10041-001DH
yung board model e ito po :GG10041-001DH
willyboy- AA Battery
- Posts : 74
Join date : 2011-10-28
Location : Muntinlupa / Bocaue Bulacan
Re: JVC 21BA17B problem
NGA PLA MG BROD. PINALITAN KO NA ANG MGA PARTS NA ITO .
1.120RDA1
2.050RDA1
3.SE115
mga ecaps sa paligid nito..
them ng ticking of sound lumipat sa Flyback
1.120RDA1
2.050RDA1
3.SE115
mga ecaps sa paligid nito..
them ng ticking of sound lumipat sa Flyback
willyboy- AA Battery
- Posts : 74
Join date : 2011-10-28
Location : Muntinlupa / Bocaue Bulacan
Re: JVC 21BA17B problem
subukan niyo palitan ang mga matataas na value na capacitor master sa horizontal malapit sa flybak. lalo na ang mga 1K6V. pag hindi nawala baka flybak na po iyan
Electro- 24V BATTERY
- Posts : 1488
Join date : 2010-08-26
Age : 35
Location : Calinan Davao City
Re: JVC 21BA17B problem
try u palitan ang ecaps sa primary and secndary section of power supply and on horizontal section.
totoy- AAA Battery
- Posts : 14
Join date : 2011-03-08
Age : 37
Location : cavite
Re: JVC 21BA17B problem
epost mo ddito kung ilan ang voltage sa secondary.baka naka protect yan or kulang yong voltage.check feed back sa photo coupler.
daltanics- AA Battery
- Posts : 118
Join date : 2011-10-30
Age : 44
Location : davao city
Re: JVC 21BA17B problem
@TS ilan ang B+ mu sis ?
_________________
6th member of STTM
former 2nd member
im always walking on the rain so that no one could see me crying
ultrasonic™- 24V BATTERY
- Posts : 4475
Join date : 2010-08-19
Age : 38
Location : Davao City
Re: JVC 21BA17B problem
mga brod..im back..nafree lang uli..nag change na ako ng mga capacitor sa tabi ng Flyback at yung horizontal tansistor nito pinalitan ko na rin ( yung katabi ng flyback)
pero ganun pa din...
when you turn on TV ( red light indicator is on )
but when you switch on channel. mag tick tick tick sound lang sya
pa assist nman uli mga..brod
sensya na ha.. di kasi ako tv tech..electromechanical line ko,, salamat po
pero ganun pa din...
when you turn on TV ( red light indicator is on )
but when you switch on channel. mag tick tick tick sound lang sya
pa assist nman uli mga..brod
sensya na ha.. di kasi ako tv tech..electromechanical line ko,, salamat po
willyboy- AA Battery
- Posts : 74
Join date : 2011-10-28
Location : Muntinlupa / Bocaue Bulacan
Re: JVC 21BA17B problem
mga brod..pasensya uli. pa ask lang..i have these color pink resistor
at mga 8pcs cla..
itong pink resistor na ito ay may printed kung ilang ohms sila or Kiloohms..
ang ask ko lang,i do have digital tester with sound. yung iba pag test ko with sound eh may tunog.. yung iba wala..
but if i switch on nman sa OHMS tester, lahat may reading..at tama sa printed ohms nito sa body.
ask kolang..kasi expert kayo d2. bakit yung iba eh may sound continuity at yung iba wala..aling ba dun angtama??
yung may sound??? or bka shorted yun
o yung wala?does it mean pag walang sound eh okyun.??
sensya mga tol..di ko linya tv repair pero talagang gustoko matuto nito..
salamat
at mga 8pcs cla..
itong pink resistor na ito ay may printed kung ilang ohms sila or Kiloohms..
ang ask ko lang,i do have digital tester with sound. yung iba pag test ko with sound eh may tunog.. yung iba wala..
but if i switch on nman sa OHMS tester, lahat may reading..at tama sa printed ohms nito sa body.
ask kolang..kasi expert kayo d2. bakit yung iba eh may sound continuity at yung iba wala..aling ba dun angtama??
yung may sound??? or bka shorted yun
o yung wala?does it mean pag walang sound eh okyun.??
sensya mga tol..di ko linya tv repair pero talagang gustoko matuto nito..
salamat
willyboy- AA Battery
- Posts : 74
Join date : 2011-10-28
Location : Muntinlupa / Bocaue Bulacan
Re: JVC 21BA17B problem
mga brod.. wirewound resistor yata tawagdun
willyboy- AA Battery
- Posts : 74
Join date : 2011-10-28
Location : Muntinlupa / Bocaue Bulacan
Re: JVC 21BA17B problem
pink ang kulay. baka hindi na resistor yan master willy. ano pala nakalagay sa board? nagsisimula pa rin ba sa lett er R ang nasa board> r231. r324 parang ganun. sana maipost mo ang image niya dito para mas makita namin.
Electro- 24V BATTERY
- Posts : 1488
Join date : 2010-08-26
Age : 35
Location : Calinan Davao City
Re: JVC 21BA17B problem
ay master willy. baka hindi sila pareho ng value may color coded kasi ang mga resistor. http://www.ealnet.com/m-eal/resistor/resistor.htm
iyong mga mababa ang value gaya ng mga 1ohm. 5ohm 10ohm ay tutunog na iyan sa tester. ganyan ang tester ko na wheeler
iyong mga mababa ang value gaya ng mga 1ohm. 5ohm 10ohm ay tutunog na iyan sa tester. ganyan ang tester ko na wheeler
Electro- 24V BATTERY
- Posts : 1488
Join date : 2010-08-26
Age : 35
Location : Calinan Davao City
Re: JVC 21BA17B problem
ganun ba? bakit kaya ganun pa rin.napalitan ko nalahat capacitor sa primary atsecondary pati na rin satabi ng flyback..pati horizontal IC bago na rin..
pag on.,.led light on
thenpag pindotmo sa mga chanelor volume..you can hear tick sound..
3x tick sound
then wala nman display..nakailawparin yung on led light
hirap kasi akomagkuha ng voltahe eh..
any idea?
pag on.,.led light on
thenpag pindotmo sa mga chanelor volume..you can hear tick sound..
3x tick sound
then wala nman display..nakailawparin yung on led light
hirap kasi akomagkuha ng voltahe eh..
any idea?
willyboy- AA Battery
- Posts : 74
Join date : 2011-10-28
Location : Muntinlupa / Bocaue Bulacan
Re: JVC 21BA17B problem
master willy baka mababa o mataas ang b+ mo. check mo at ipost dito. pwede kasi sapat na dahilan na iyon para magka on ang protection ng tv
Electro- 24V BATTERY
- Posts : 1488
Join date : 2010-08-26
Age : 35
Location : Calinan Davao City
Re: JVC 21BA17B problem
brod..anu password ng mga diagram saforum. nag download kasi ako..kaso RARpassword protection eh
willyboy- AA Battery
- Posts : 74
Join date : 2011-10-28
Location : Muntinlupa / Bocaue Bulacan
Re: JVC 21BA17B problem
sttm ang kadalasan nilalagay na password ng mga master dito
Electro- 24V BATTERY
- Posts : 1488
Join date : 2010-08-26
Age : 35
Location : Calinan Davao City
Re: JVC 21BA17B problem
salamat bossing...naopen ko na
willyboy- AA Battery
- Posts : 74
Join date : 2011-10-28
Location : Muntinlupa / Bocaue Bulacan
Re: JVC 21BA17B problem
boss..patulong..paano kumuha ng B+ pasensya bossing ha... baguhan ako sa TV.. at challenging talaga ito
willyboy- AA Battery
- Posts : 74
Join date : 2011-10-28
Location : Muntinlupa / Bocaue Bulacan
Re: JVC 21BA17B problem
hanapin mu lng ang secondary filter capacitor, yan ang mgsisilbi mung test point
pra di maligaw hanapin mu lng ang pumapangalawa sa pnakamalaking capacitor sa board... na mlapit sa chopper transformer at may value na my working voltage na 160V or 250V. kdalasan value nyan ay 100uf, 220uf &etc.
eto sample pics JVC board din. CG chassis nga lng...
pra di maligaw hanapin mu lng ang pumapangalawa sa pnakamalaking capacitor sa board... na mlapit sa chopper transformer at may value na my working voltage na 160V or 250V. kdalasan value nyan ay 100uf, 220uf &etc.
eto sample pics JVC board din. CG chassis nga lng...
_________________
6th member of STTM
former 2nd member
im always walking on the rain so that no one could see me crying
ultrasonic™- 24V BATTERY
- Posts : 4475
Join date : 2010-08-19
Age : 38
Location : Davao City
Re: JVC 21BA17B problem
master willy sundan mo lang si master ultrasonic™. pwede din sa pin ng flybak magsukat
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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