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Author Topic: sony kv-21jdr1 1 line at the top of the screen  (Read 1645 times)

Offline markdefender

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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #20 on: April 05, 2011, 02:49:51 PM »
mga master pahingi naman ng schematic diagram nyo kv-21jdr1...pls..thanks in advance
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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #20 on: April 05, 2011, 02:49:51 PM »

Offline markdefender

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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #21 on: April 05, 2011, 03:12:40 PM »
mga master meron na po yung neg 13 volts sa pin 1 kaso wla pa ring raster my sounds nman po prang focus problem ung lumalabas sa screen nya...
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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #21 on: April 05, 2011, 03:12:40 PM »

Offline RhUNhA

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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #22 on: April 05, 2011, 05:33:22 PM »
para dun sa mdilim ang screen ,,,check m ang c board m kung my 200vdc,,heater or loscon, g2 kung 400vdc or 500vdc ang nsusukat..or abl section....

dun nmn sa guhit n sinasabi m,,plitan ang lhat ng  ecaps sa vertcl section,,
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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #22 on: April 05, 2011, 05:33:22 PM »

Offline Triple_D

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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #23 on: April 05, 2011, 06:00:17 PM »
may osd ba sir sa screen?
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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #23 on: April 05, 2011, 06:00:17 PM »

Offline pete

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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #24 on: April 05, 2011, 06:10:04 PM »
sir ask ko lang gaano kalayo ang vert line sa taas?

monitor g2 voltage baka
Quote from: markdefender on April 05, 2011, 02:21:42 PM
mga master diba dapat may -13v na lumalabas dun sa flyback nito?
-13 at +13
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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #24 on: April 05, 2011, 06:10:04 PM »

Offline jmg

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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #25 on: April 05, 2011, 07:00:17 PM »
Quote from: markdefender on April 05, 2011, 01:42:15 PM
bago na sir actually kinuha qna xa sa umaandar na tv. la 7830.....kc ang dating trobol n2 deadset pinalitan q ung reg nya strs 6707 tas ung flyback nahugot kasi ng dating gumawa ung anode wire nya...tas auto shutoff xa nung nag hung aq d1505 at d1504 ok na kaso un nga 1 line sa taas ng screen..

linawin natin mga kapatid..
ang alam ko LA7830 ay 24v ang supply nyan..
correct me if I'm wrong mga kapatid
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Offline taqui

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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #26 on: April 05, 2011, 07:20:01 PM »
dipende sa model dahil pwde jn 24v or dual 13v.
ts ipost nyo mga voltage sa crt board.
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Offline jmg

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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #27 on: April 05, 2011, 08:02:45 PM »
Quote from: taquinaga on April 05, 2011, 07:20:01 PM
dipende sa model dahil pwde jn 24v or dual 13v.
ts ipost nyo mga voltage sa crt board.
tnx for the info kapatd
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Offline danyenz

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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #28 on: April 05, 2011, 08:13:01 PM »
bok for sure balik tayo sa crt,,check mo 200v,1000v f present kung normal check mo 1k dapat meron yan 2v pababa..now 1 of them absent? dun ka focus solve na probz mo..pls update us..para matulongan ka analys..
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Offline ultrasonic™

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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #29 on: April 05, 2011, 08:25:17 PM »

black screen ba kamu.. both AV mode & tuner mode ?
baka video blanking yan
weak pixs tube

try mu  ngang insert ng Video signal sa AV in
as bases na rin..

& add more info.  voltage check  lng  ang katapat  nyan..
DL  mu  muna  ang SVC manual
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Offline NORTH LUZON

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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #30 on: April 05, 2011, 08:49:48 PM »
nawala ung post ko dito ah
malamang mahina na ang tube nyan,taasan ang screen voltage
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Offline ultrasonic™

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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #31 on: April 05, 2011, 09:02:18 PM »
Quote from: INSIDER2010 on April 05, 2011, 08:49:48 PM
nawala ung post ko dito ah
malamang mahina na ang tube nyan,taasan ang screen voltage

tnx  sis second motion  ka ;D
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Offline envader

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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #32 on: April 05, 2011, 10:00:17 PM »
malamang weak pic yn, tuloy tuloy ang blinking, pg tinaasan ng screen ay retrace line ang screen. ts, try salpak s ibng crt pra mconclude ang saralin, y0ng 1 line s taas ng screen ay mwawala din yn pg ngkaraster n.
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Offline J@M

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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #33 on: April 06, 2011, 06:38:14 AM »
Basamode......
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Offline enriz622

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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #34 on: April 06, 2011, 08:15:50 AM »
baka naman cold solder lang sa jungle or sakit ng sony
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Offline Mr. Turko

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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #35 on: April 06, 2011, 09:48:31 AM »
Quote from: markdefender on April 05, 2011, 01:20:06 PM
nagbiblink po xa tas 2mitigil pag meron nang sounds mga 12 blinks po..
weak na tube nyan, try mo direct jumper yung resistor na naka series sa heater sa crt  kung lalabas ang raster. 
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Offline markdefender

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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #36 on: April 06, 2011, 12:33:43 PM »
  :)mga master nawala na yung 1 line sa taas ng screen kasi napalabas qna yung dual supply nya,na jump qna rin po yung supply ng heater tinaasan qna po yung g2 nya ang lumalabas po parang weak focus po xa ok nman yung crt socket.....tas nagbiblink po 12times taz pause po xa konti den continous blingking na po xa....di kaya yung bagong lokal na fbt ang salarin nito?
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Offline Triple_D

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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #37 on: April 06, 2011, 12:46:57 PM »
possible din kapatid..pwede ka magtry ng orig na FBT to confirm lang..
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Offline NORTH LUZON

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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #38 on: April 06, 2011, 12:52:03 PM »
check mo ung dalawang resistor jan sa bandang likod ng flyback mo sis
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Offline taqui

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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #39 on: April 06, 2011, 12:53:57 PM »
i rejuvinate na tube nyan.. search nyo dito ung DIY CRT REJUVINATOR
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Re: sony kv-21jdr1 1 line at the top of the screen
« Reply #39 on: April 06, 2011, 12:53:57 PM »
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