tcl no signal

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tcl no signal

Post by baddypepito on Thu Mar 06, 2014 1:29 pm

hello at good day po sa lahat dito...
meron pong pumasok dito na tcl 21f7s. history ay nabasa sa ulan,,
tapos kona pong magcleaning at ito ang kanyang problema..
 no signal po xa... in both tuner and audio video.. in tuner mode... no signal xa tpos isalpak mo ang kanyang antena at mwawala ang kanyang bluebackground at biglang magblack ang kanyang display pro makikita mo ang kanyang osd.. ang kanyang letters sa volume at channel.. pro normal na mn po ang kanyang sound., meron kang maririnig na audio that indicates na meron xang ncapture na channel. at same situation xa sa av mode,. mron ding maririnig na sound pro walang vdeo.

mga ginawa ko..

changed the rusty components
resolder almost all board
natry ko na ring magchange sa kanyang uoc bt same pa rin


any suggestions mga sis...  Smile  Smile  Smile

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Re: tcl no signal

Post by baddypepito on Thu Mar 06, 2014 1:45 pm

ito nga po pala ang mga major parts:

fbt: bsc25-0233s
hot:d5021
vrtcal:la78141
pwm:ncp1377p
regulator:jcs7n60f
audio:tda7266sa
uoc:tda11145ps/n3/3
tuner: 07-457ff5-nf9t  tdq-3evn
mmory: 24c16wp

tapos ko na po palang naararo ang abl nito

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Re: tcl no signal

Post by Hertz on Thu Mar 06, 2014 4:14 pm

subukan mo muna mag reprogram ng memory

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Re: tcl no signal

Post by baddypepito on Thu Mar 06, 2014 4:48 pm

yon nga ang problem ko sir kc wala akong confirmadong working dump sa model na ito... baka meron ka jan,,, pshare naman  bounce  bounce  bounce

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Re: tcl no signal

Post by Hertz on Thu Mar 06, 2014 5:13 pm

tignan ko muna sa mga files ko.
subukan mo rin muna sa service mode. press menu sa remote  at input 6,4,2,3

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Re: tcl no signal

Post by baddypepito on Fri Mar 07, 2014 5:32 pm

update: ok na po ang unit na ito... pinalitan ko po ng bago ang lahat ng resistors sa abl line.. from flyback going to uoc

slamat po sa pagreply sir hertz..  papogi muna kau.. +1



mabuhay!!!  Laughing  Laughing  Laughing

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Re: tcl no signal

Post by DJFEL on Tue Mar 11, 2014 5:17 pm

sapol n pla...

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Re: tcl no signal

Post by DJFEL on Tue Mar 11, 2014 5:19 pm

nasa abl probs pala...

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Re: tcl no signal

Post by Hertz on Wed Mar 12, 2014 7:00 pm

baddypepito wrote:tapos ko na po palang naararo ang abl nito

congrats kung gayon. akala ko talaga tapos ka na sa abl  scratch   buti hindi natin nagalaw ang memory

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Re: tcl no signal

Post by baddypepito on Fri Mar 14, 2014 9:54 am

nagalaw ko nga sir... pro ngbak up muna ako sa kanyang original dump as an sop nang hindi mas lalong lumala  Razz  Razz  Razz

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Re: tcl no signal

Post by Hertz on Fri Mar 14, 2014 7:57 pm

maganda ang ganyan

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Re: tcl no signal

Post by Oscar on Fri Apr 04, 2014 1:15 pm

iba talaga pagtumatagal tayo sa repair. mas lalong natototo. +1 sa lahat ng mga master. congrats master baddypepito

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Re: tcl no signal

Post by ultrasonic™ on Sat Apr 05, 2014 7:35 pm

ay huli nko  T_T

congratz sis baddy

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Re: tcl no signal

Post by baddypepito on Mon Apr 07, 2014 6:00 pm

maraming salamat poh...  Very Happy  Very Happy  Smile  Smile

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Re: tcl no signal

Post by Electro on Mon May 12, 2014 10:56 am

congrats master baddy

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Re: tcl no signal

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