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Author Topic: LG-21FB3RB ( Vertical wave)  (Read 792 times)

Offline J@M

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LG-21FB3RB ( Vertical wave)
« on: April 17, 2012, 11:26:13 PM »
Mga sis confirmed ko lng kung sa yoke na nga to...

Status ng unit:
1 OK audio, my picture kaso nka wave baba taas sa screen, nka buka screen ng mga 3 inches un nga lang umaalon baba taas.
2 Ok supply ng vertical=24V...output=14V sa Yoke mismo pin.

Work done:
1 resolder
2 Replace Vertical IC
3 Replace all capacitor a vertical,mylar check by ESR OK.
4 Replace diode

Note:
Binaklas ko connection ng Yoke db bali 2 winding non...
1 winding=18.2 ohms
2 winding=14 ohms

Note: ung 4ohms ba na difference cause na un ng wave?

eto ung yoke na my coil sa vertical
bali resistance ng 2 coil sa gilid... 1.5ohms & 1.4 ohms.
sa tingin ko ok to...

Any idea mga sis malamang incounter nyo na to.tnx
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LG-21FB3RB ( Vertical wave)
« on: April 17, 2012, 11:26:13 PM »

Offline mcleod

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Re: LG-21FB3RB ( Vertical wave)
« Reply #1 on: April 17, 2012, 11:38:50 PM »
sis yung wave mo nasa left and right side(gilid)? parang maalong dagat?  ;D ;D ;D palitan mo primary ecap xxx uf / 400 V. kapehan na iyan.
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Re: LG-21FB3RB ( Vertical wave)
« Reply #1 on: April 17, 2012, 11:38:50 PM »

Offline J@M

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Re: LG-21FB3RB ( Vertical wave)
« Reply #2 on: April 18, 2012, 12:24:33 AM »
Ndi sa magkabila side sis...sa baba & sa taas ang wave nakabuka lang ang screen ng mga 3inches.
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Re: LG-21FB3RB ( Vertical wave)
« Reply #2 on: April 18, 2012, 12:24:33 AM »

Offline nucleus

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Re: LG-21FB3RB ( Vertical wave)
« Reply #3 on: April 18, 2012, 04:14:56 AM »
Ndi sa magkabila side sis...sa baba & sa taas ang wave nakabuka lang ang screen ng mga 3inches.


flat ba ito? mukang yoke na nga ito
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Re: LG-21FB3RB ( Vertical wave)
« Reply #3 on: April 18, 2012, 04:14:56 AM »

Offline mcleod

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Re: LG-21FB3RB ( Vertical wave)
« Reply #4 on: April 18, 2012, 07:13:16 AM »
uoc ba ginamit? ung vertical ic mo na-search mo na datasheet? ano ba mga ic's ginamit dito sa tv mo?
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Re: LG-21FB3RB ( Vertical wave)
« Reply #4 on: April 18, 2012, 07:13:16 AM »

Offline mcleod

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Re: LG-21FB3RB ( Vertical wave)
« Reply #5 on: April 18, 2012, 07:43:09 AM »
check mo mga ito:

R404, R512, R532, R514, C512, C513, C514, C515, C516

or kung gusto mo palitan mo na agad.  baka sakali bago hatulan ang yoke ;D ;D
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Offline nucleus

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Re: LG-21FB3RB ( Vertical wave)
« Reply #6 on: April 18, 2012, 07:52:20 AM »
common kasi sa mga flat yung ganitong problema ng yoke
Hi! I'm nucleus and i carry the charge 8)

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Offline J@M

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Re: LG-21FB3RB ( Vertical wave)
« Reply #7 on: April 18, 2012, 11:38:19 AM »
Yoke na nga mga kapatid, nkahanap me Yoke sa bago dating..
Dami nb sa market neto my coil kc to sa magkabila side..
another sakit yata to ng Flat LG tama sis Nucleus...

+1 sa inyo.
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Offline J@M

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Re: LG-21FB3RB ( Vertical wave)
« Reply #8 on: April 18, 2012, 11:39:19 AM »
Magkano kaya to...orig & replacement
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Offline mcleod

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Re: LG-21FB3RB ( Vertical wave)
« Reply #9 on: April 18, 2012, 02:12:36 PM »
Magkano kaya to...orig & replacement

salamas sa point! wala me idea, di pa ako nabibigyan ng yoke ang sira eh!  ;D ;D ;D
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Offline J@M

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Re: LG-21FB3RB ( Vertical wave)
« Reply #10 on: April 18, 2012, 02:27:43 PM »
Try ko baklasin to anb pwdi insulation ilagay d2? pwidi ba varnish? any idea mga master...
parang nagrerewind ata iba master natin d2..
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Offline Disabled

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Re: LG-21FB3RB ( Vertical wave)
« Reply #11 on: April 18, 2012, 02:40:04 PM »
^ si kagawad nag rerewind..

Offline MX45

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Re: LG-21FB3RB ( Vertical wave)
« Reply #12 on: April 18, 2012, 03:06:26 PM »
sakit na nga ng LG flat ang yoke na yan..naka 3X encounter na ako nyan pag ganyan ang scenario yoke prob.
Gawin mo ang nais mo, sundin mo ang gusto mo dahil ikaw o ang sarili mo ang hari ng yung kagustuhan...

Offline nucleus

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Re: LG-21FB3RB ( Vertical wave)
« Reply #13 on: April 18, 2012, 09:31:04 PM »
madali lang irewind iyan parang nagiikid lang ng tali ng sarangola ;D ;D ;D


naka ilan na akong lg,samsung at sanyo na ganito ang sira
Hi! I'm nucleus and i carry the charge 8)

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Offline shenok

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Re: LG-21FB3RB ( Vertical wave)
« Reply #14 on: April 22, 2012, 08:05:11 AM »
ehehehe ipa ubaya mo sa mga master ang rewind kasi na try kona naging x ang resulta ng screen nya kulang nlang may men pra x-men..yoke na yan master palitan na ng bago..quality comes fisrt..

Offline J@M

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Re: LG-21FB3RB ( Vertical wave)
« Reply #15 on: April 23, 2012, 11:19:05 AM »
pinalitan ko na nga pala Yoke 2.kaso parang nag double image mya shadow(anino)
ung letra parang nag doble..kung tingnan mo labas ung RGB color...ok nman ung magnet wala ako binago may  marking nman kasi...sa ecap na kaya to?
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Offline mcleod

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Re: LG-21FB3RB ( Vertical wave)
« Reply #16 on: April 23, 2012, 11:23:26 AM »
pinalitan ko na nga pala Yoke 2.kaso parang nag double image mya shadow(anino)
ung letra parang nag doble..kung tingnan mo labas ung RGB color...ok nman ung magnet wala ako binago may  marking nman kasi...sa ecap na kaya to?
sir aadjust mo talaga yan pagpalit ka ng yoke.  lagyan mo tanda(marking), tapos isa isa lang pag-aadjust.  sakto ba replacement parts mo, same part number?
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Offline J@M

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Re: LG-21FB3RB ( Vertical wave)
« Reply #17 on: April 23, 2012, 11:26:32 AM »
so meaning ndi na tama ung dati settings neto..kelangan ko na baguhin?
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Offline J@M

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Re: LG-21FB3RB ( Vertical wave)
« Reply #18 on: April 23, 2012, 04:58:30 PM »
Bali ndi ko mapag patong ung 3 kulay RGB...wala nman ako binago sa purity magnet kasi my tagging sya...basta tinanggal ko lng xia para matanggal ko ung Yoke taps binalik ko din after ma repair ung Yoke..

my nakita ako sa previous thread suggested by Sirjon...eto share na din sa mga baguhan tulad ko:

Color Purity and Beam Landing Adjustments tawag dun. Eto alam ko procedure.
COLOR PURITY 1) Degauss mo muna harap picture tube mo 2) Hang mo RGB pins ng CRT board mo, dun na sa crt socket mismo, pero itira mo lang red gun. 3) Mapapansin mo, kapag pinapasok mo yoke, me green at blue sa magkabilang gilid ng picture samantalang dapat red ang gitna. Isagad mo, dapat pure red na picture, kapag lumabas na me ibang kulay, atras mo konti yoke, dapat pure red.(Check mo din yong 'vertical tilt', baka tabingi picture, baba mo muna vertical size, if you can). Kung ok na. balik mo na hinang ng RED and BLUE GUNS.
BEAM LANDING 1) Dapat B/W ang picture. Sa mga lumang tv, ginagawa ko temporary, hina- hang ko 3.58Mhz oscillator, para mag B/W. Adjust mo yung plastic ring na nasa likod kadalasan ng yoke, kasamang nakakapit sa tubo ng crt (ingat lang, minsan marupok na yan dahil sa kalumaan ng tv). Dapat di naghihiwalay yung green, blue at red sa mga edges ng picture. Kung me pattern generator ka, mas maganda. Pero kung wala, basta me signal ka lang (TV reception o galing dvd signal via A/V), minimize mo lang yung paghihiwalay ng 3 color, concentrate sa center, kung meron sa gilid, ok na yun, di na ga'no halata kapag me kulay na yan. Pag nakuha mo na optimum adjustment, ibalik mo hinang 3,58MHz crystal. (Sa mga bagong tv, minimum mo lang color adjustment para mag B/W.)

Ndi ko lng alam pano pag digauss haap ng tube...pano nga ba  ;D ;D


 ;D
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Offline mcleod

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Re: LG-21FB3RB ( Vertical wave)
« Reply #19 on: April 23, 2012, 05:23:02 PM »
pag nag - oopen ka ng tv nagdedegauze yan. halimbawa nagbukas(power on). then wait for at least 20 seconds. patayin(power off button) mo uli. wait 20 seconds naka-off bago mo uli i-power on.

Assuming gumagana ang degauze circuit mo. hindi advisable manu - manuhin mo ang degauze sabi ng mga old timer pero you can at your own risk! saka yung de-magnetizing or placing a magnet baka lalo mo masira yung color ng tv. pero kung sanay ka na ikaw yan.  ;D ;D ;D
What makes you think, we owe you an answer? Ask and you shall receive... but all in the proper time.

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Re: LG-21FB3RB ( Vertical wave)
« Reply #19 on: April 23, 2012, 05:23:02 PM »

 

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