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Author Topic: panasonic tv "21 dim problem  (Read 708 times)

Offline eagle eye10

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panasonic tv "21 dim problem
« on: November 03, 2010, 06:40:02 PM »
master pahelp naman masyado po madilim ang display tapoz pinalitan ko na cap. sa g2 at 250v 22uf na capacitor. tpoz full na po ang brightness sa menu ano kaya problema nito
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panasonic tv "21 dim problem
« on: November 03, 2010, 06:40:02 PM »

Offline enriz622

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Re: panasonic tv "21 dim problem
« Reply #1 on: November 04, 2010, 07:05:12 AM »
ilan po boltahe ng heater
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Re: panasonic tv "21 dim problem
« Reply #1 on: November 04, 2010, 07:05:12 AM »

Offline Triple_D

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Re: panasonic tv "21 dim problem
« Reply #2 on: November 04, 2010, 07:09:54 AM »
check abl resistor and crt board.
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Re: panasonic tv "21 dim problem
« Reply #2 on: November 04, 2010, 07:09:54 AM »

Offline Roland

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Re: panasonic tv "21 dim problem
« Reply #3 on: November 04, 2010, 05:59:06 PM »
subscribing....
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Re: panasonic tv "21 dim problem
« Reply #3 on: November 04, 2010, 05:59:06 PM »

Offline m@r

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Re: panasonic tv "21 dim problem
« Reply #4 on: November 04, 2010, 06:25:46 PM »
tama po check niyo po abl resistor? malapit sa flyback yan usually going to the CRT... check mo rin sir yong voltage ng G2, baka sira na rin yong blue polyester capacitor sa CRT board, subukan mo yang tanggalin kung may pagbabago ba... hope this will help...
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Re: panasonic tv "21 dim problem
« Reply #4 on: November 04, 2010, 06:25:46 PM »

Offline Roland

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Re: panasonic tv "21 dim problem
« Reply #5 on: November 04, 2010, 07:13:40 PM »
palitan mo muna crt socket bago magtroubleshoot. pambawas duda..
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Offline lhan

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Re: panasonic tv "21 dim problem
« Reply #6 on: November 04, 2010, 07:41:47 PM »
ano model n panasonic to sir
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Offline rujhan88

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Re: panasonic tv "21 dim problem
« Reply #7 on: November 04, 2010, 09:43:26 PM »
Pag nagawa mo na po lahat, ganun parin. palitan mo na ang fbt. Posibly hirado na ang built-in POT ng fbt para sa screen control. may ginawa na ko ganitong trouble pero TCL po.
Di mo kasi nilagay yung model number, baka yung lumang model na po to ung TC series... merong bias yan sa main board"sub bright" pwede mo po dukutin dun.  Hope makatulong..
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Offline m@r

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Re: panasonic tv "21 dim problem
« Reply #8 on: November 07, 2010, 12:22:22 PM »
@TS halos nandito na yong mga dapat mong gawin for preliminary troubleshooting... cguro madadali mo rin yan... update ka nalang kung ano na progress sa ginawa mo...  :)
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Offline eagle eye10

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Re: panasonic tv "21 dim problem
« Reply #9 on: November 18, 2010, 03:10:43 PM »
salamat sa mga help master
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Offline MX45

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Re: panasonic tv "21 dim problem
« Reply #10 on: November 18, 2010, 04:30:23 PM »
Quote from: eagle eye10 on November 18, 2010, 03:10:43 PM
salamat sa mga help master

kumusta na...okay na ba TV mo?
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Offline SamsungKit

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Re: panasonic tv "21 dim problem
« Reply #11 on: November 18, 2010, 09:13:23 PM »
Kung lumang model na po to ng panasonic like tc-21tk,21f,21dk,
     possibly open na ang R111=22k yan yung malapit sa q102,
     or sa bias resistor na R114=2k ay pwede e'adjust dun.
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Offline pete

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Re: panasonic tv "21 dim problem
« Reply #12 on: November 18, 2010, 10:22:07 PM »
siguro shorted na ang blue cap nito sa G2
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Offline m@r

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Re: panasonic tv "21 dim problem
« Reply #13 on: November 19, 2010, 09:50:40 PM »
napalit na daw ng cap sa G2, yon kaya yong polyester na blue 2kV na cap..?
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Offline NORTH LUZON

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Re: panasonic tv "21 dim problem
« Reply #14 on: November 20, 2010, 12:59:35 PM »
crt socket yata ah
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Re: panasonic tv "21 dim problem
« Reply #14 on: November 20, 2010, 12:59:35 PM »
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