tc 2121n panasonic problem

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tc 2121n panasonic problem

Post by pyne1234 on Fri Apr 20, 2012 8:05 pm

pa help master....

panasonic tc2121n

mayron kasi black line sa top and bottom portion sa screen... ano po cause nya?

thanks
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Re: tc 2121n panasonic problem

Post by daltanics on Fri Apr 20, 2012 8:19 pm

kulang vertical height,e adjust mo trimmer ng vertical.
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Re: tc 2121n panasonic problem

Post by pyne1234 on Fri Apr 20, 2012 8:34 pm

try ko po adjust yung trimmer hindi po mawala yung black portion nya...

i have voltage reading sa vertical ic pins nya la 7835
1=11.6
2=7.16
3=5.87
4=0
5=5.8
6=5.4
7=26.4
8=1.8
9=1.4
10=0
11=12.75
12=26
13=4.7
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Re: tc 2121n panasonic problem

Post by pyne1234 on Fri Apr 20, 2012 10:27 pm

ito ung image nya
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Re: tc 2121n panasonic problem

Post by daltanics on Sat Apr 21, 2012 7:46 am

try mo palitan yong mga capacitor sa paligid ng vertical section, or unahin mo palitan yong capacitor sa supply ng 12v&26v ng vert.
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Re: tc 2121n panasonic problem

Post by pyne1234 on Sat Apr 21, 2012 6:59 pm

napalitan ko na po cya, ganon pa din
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Re: tc 2121n panasonic problem

Post by daltanics on Sat Apr 21, 2012 9:01 pm

master double check nyo cap.yong supply ng vert.galing sa fbt,220 uf/35v.
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Re: tc 2121n panasonic problem

Post by daltanics on Sat Apr 21, 2012 9:31 pm

[img][/img] try nyo lang to master baka makatulong....
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Re: tc 2121n panasonic problem

Post by arkin on Sun Apr 22, 2012 5:58 pm

try replacing vertical ic..
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Re: tc 2121n panasonic problem

Post by samiel on Sun Apr 22, 2012 8:13 pm

karamihan sa gnagawa ko na ganyan...na check ko na lahat pero ganon parin...dinadaya ko nalang,d rin naman nagbackjob...d ba may vertical heigh adjustmet,tapos may nakaseries na resistor? subukan mo babaan ang value at tingnan mo kung ano pagbabago...wag lang masyado mababa...pakunti kunti lang...at ilagay mo muna sa gitna yung vertical height mo para akaajust ka parin
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Re: tc 2121n panasonic problem

Post by pyne1234 on Mon Apr 23, 2012 2:25 am

@arkin pangalawa ko na change ng vertical ic ganon pa din cya...

@daltanics try ko po check...

thanks...
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Re: tc 2121n panasonic problem

Post by pyne1234 on Mon Apr 23, 2012 2:38 am

nawala yung black sa may bottom portion, adjust ko lang trimmer nya sa vertical height..problem is yun bandang itaas distort imge nya...

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Re: tc 2121n panasonic problem

Post by ultrasonic™ on Mon Apr 23, 2012 6:12 pm

parang gl8ha chassis yan hah.... @ts kng tama aku na try mu ng palitan din ang dlawang 470uf sa bandang flybak? belong pa yan sa vert sect.



duda aku my probs ka pa sa vert centering at pump up caps
at wag esmulin si resitor (^_^

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Re: tc 2121n panasonic problem

Post by pyne1234 on Tue Apr 24, 2012 1:57 am

Salamat sir,,,,,feedback lang ako mamaya, if ok na lahat..... Smile
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Re: tc 2121n panasonic problem

Post by pyne1234 on Thu Apr 26, 2012 10:29 pm

thanks a lot @ultrasonic da best ka talaga solve na po ang problem...caps lang pala ang prob.....


thankssss Very Happy
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Re: tc 2121n panasonic problem

Post by arkin on Fri Apr 27, 2012 12:57 pm

Very Happy eh,d mo pa pla pnalitan yong ecaps na snasabi ni daltanics.yon din ang ecaps na tinutkoy ni ultra.nxt time,try mo muna i-trace kong hanggang san ang section na tino trobol mo.
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Re: tc 2121n panasonic problem

Post by jasperramos94 on Fri Apr 27, 2012 3:10 pm

ano po number ng capacitor na yan?
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Re: tc 2121n panasonic problem

Post by ultrasonic™ on Sat Apr 28, 2012 1:26 pm


agreed dapat kasi sundin mu muna ang mga payo sau ts...
tulad nito nabanggit na pala ni daltanics ang mga caps na yan kya medjo ntagalan ka tuloy.

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