TCL 2027 problem

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TCL 2027 problem

Post by willyboy on Fri Oct 28, 2011 11:32 pm

mga brod.. patulong naman,, newbie ako sa tv repair.. isa kasi akong electromechanic technician from DUALTECH

this is my problem. i have a TLC tv 2027 yung model nya..
1,una problem.. ayaw gumana ng remote. REMOTE control is ok
( checking by means of DIGITAL CAMERA, nag flash naman yung light while looking sa digital cam means ok ang remote control )
nag papalit na lang ako chanel by tv button kaso matagal pag cable tv ka.. chanel 2 ka shift ka sa channel 56..iisa isahin ..


2. next problem ko mga bossing eh yung screen size ko lumiit.. black sa taas.sa gitna yung palabas tapos black uli.
dba pag full screen wala ka black makita sa taas at baba.. sa kanya kasi dahil sa lumiit.. may black screen sa taas at baba..

hope matulungan nyo ako mga kapatid.. God bless

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Re: TCL 2027 problem

Post by Electro on Sat Oct 29, 2011 12:26 pm


parang dalawa yata ang sira ng tv mo. sa una mong tanong baka sira ang remote sensor sa loob ng tv mo. check mo baka walang 5v sa paa niya. kong meron man baka hindi umaabot sa system ic ang output niya. sa pangalawa mo namang tanong mukhang may problema kayo sa vertical. palitan niyo ang mga capacitor niya sa paligid

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Re: TCL 2027 problem

Post by willyboy on Sun Oct 30, 2011 9:27 am

Brother Electro..Brod.. may 5V ako sa paa ng remote sensor at nag jumper na rin ako papunta sa IC tomakesure na may output signal sya ..pero wala din..

napansin ko lang . if connect ko yung remote sensor sa Circuit board. ( bago kasi ang remote sensor from raon )

di mo na magamit yung mga push button sa TV,
parang naka lock sya,

At yung 2nd problem ko... napalitan ko na lahat ng capacitor. ganun pa rin.

Pasensya na brod..di kokasi linya TV eh, electromechanical kasi ako.


any idea kaya bakit ganun yung TV ko..sa gitna lang screen at lumiit.

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Re: TCL 2027 problem

Post by Hertz on Thu Nov 03, 2011 4:42 pm

willyboy wrote:Brother Electro..Brod.. may 5V ako sa paa ng remote sensor at nag jumper na rin ako papunta sa IC tomakesure na may output signal sya ..pero wala din..

napansin ko lang . if connect ko yung remote sensor sa Circuit board. ( bago kasi ang remote sensor from raon )

willy baka iba ang pin configuration ng remote sensor na nabili mo. meron yatang baliktad ang mga paa. subukan mo ngang magsukat sa output ng remote sensor. kong gumagalaw ba ang reading mo bawat pindot ng remote na nakaharap sa kanya.

willyboy wrote:Brother Electro..Brod.. may 5V ako sa paa ng
di mo na magamit yung mga push button sa TV,
parang naka lock sya,

At yung 2nd problem ko... napalitan ko na lahat ng capacitor. ganun pa rin.

Pasensya na brod..di kokasi linya TV eh, electromechanical kasi ako.
any idea kaya bakit ganun yung TV ko..sa gitna lang screen at lumiit.

baka naka child lock ang inaayos mo. sa remote controller na talaga ang makakapag on niyan

hintay hintay ka lang kay sir ultra baka mas kasi gamay niya ang repair.

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Re: TCL 2027 problem

Post by Electro on Fri Nov 04, 2011 11:48 am


tcl pala ito. baka eeprom na naman

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Re: TCL 2027 problem

Post by willyboy on Sun Nov 06, 2011 11:00 am

mga brod. sensya..bakasyon lang kaya di ko na update.. napalitan ko na eeprom nito sa.kasi yung una.. na childlock nga.. di gumagana remote kaya no choice ako kaya.. pumunta ako raon to buy EEPROM nito with program.. 300pesos isa.. so nung kinabit ko..ok na..wala na childlock..pd panooran kaso maliit ang screen.. half screen lang.. taas at baba. blackscreen.

paano kaya yun..
mga brod patulong naman.. nga pla..di ko gamay tv repair ha.. kasi electromechanic ako..

i have knowledge sa electronic component testing. so if you can guide me.. thanks so much..

this tv is my own TV po..

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Re: TCL 2027 problem

Post by willyboy on Sun Nov 06, 2011 3:57 pm

mga brod.. nahuli ko din culprit ng remote sensor..
-- ang original remote sensor pin configuration eh 38a
pin1-vs pin 2=GNd at pin 3 = out

ang nabili ko sa raon is 38byung code
di ko napansin code
pin1 : GND pin2 = VS at pin 3 =OUT

so i disconect pin 1 and pin 2 and interchage connection..ayun dali..

problema na lang now..half screen
black sa taas then screen then black uli,,

napalitan ko na lahat capacitor at ok nman mga diode

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Re: TCL 2027 problem

Post by Electro on Mon Nov 07, 2011 3:42 pm


congrats master at na solve mo na ang childlock at remote controller. iyong pong black screen sa ibabaw at ilalim ay may problema po kayo sa vertical area. pwedeng capacitor lang iyan master o vertical ic na mismo

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Re: TCL 2027 problem

Post by ultrasonic™ on Tue Nov 08, 2011 5:03 pm


vert. problem nlng yata ang natitira...
@TS araro ng capacitor sa vert. sect lalo na yang binilugan ko





2pcs 100uf/35v or 50v
1 pc. 470uf/35 or 50v

pag wlng pinagbago ay panahon na para pasukin ang service mode Razz

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Re: TCL 2027 problem

Post by willyboy on Thu Nov 10, 2011 11:55 pm

mga sir, salamat sa lahat ng info at diagram locating para sa pag change ng capacitor..try ko sa sunday na i check at palitan ang mga ito..
hopefully ma solve na.

sir ask ko lang..wat po ba service mode para sa model na ito..

na try ko na kasi itong method na ito :

Switch On TV And Simultaneously press “DISPLAY” ng REMOTE ng TV at Volume- button on tv pannel, pero wala nag aapear.. humihina lang yung volume nito.. til mag zero... tama po ba yung procedure na ginawa ko.

nag check ako sa FORUM ng EEPROM Service mode pero wala yung model na TCL 2027.

again patulong po uli..salamat in advance


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Re: TCL 2027 problem

Post by ultrasonic™ on Fri Nov 11, 2011 2:06 pm


parang vol- while press menu. ang service mode nito

o kng di umubra ay try mu ang vol(-) then 0 button sa remocon

but remember before na baguhin ang mga data mas maganda kng ilista muna sa malinis na papel ang orig data.. para kng mgkamali man ay madali nlng ibalik ^_^

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Re: TCL 2027 problem

Post by willyboy on Sun Nov 20, 2011 9:23 am

mga brod.. na try ko lahat,,pero walang service mode na lumabas cried

any suggestion pa po??

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Re: TCL 2027 problem

Post by rolando cerezo on Sun Nov 20, 2011 7:03 pm

try mo vol(-) sa set at display on remote

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Re: TCL 2027 problem

Post by willyboy on Mon Nov 21, 2011 4:49 pm

mga brod... wala din po... bumababa lng volume till o then wala naman..

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Re: TCL 2027 problem

Post by ultrasonic™ on Tue Nov 22, 2011 1:30 pm



sigurado ka bang ok ang remocon mu ts ?
nkakapagduda tuloy


vol- at menu
vol- at display
vol- at 0

anong modelo ba yan ? wlng u ba yan sa dulo. o meron.. pero not relevant anu mn yan

nkapagdududa tuloy na limot ko na ang mga crt models.. matagal tagal na din kasi (^_^



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Re: TCL 2027 problem

Post by willyboy on Sun Nov 27, 2011 10:29 pm

brod... ok naman remote control ko.. lahat function ok.. model nito TCL 2027,,sir..wala po ito U sa dulo


gamit ko po now remote control ko. test ko lahat button ok.

kindly check baka procedure ko mali...

1.OFF ko TV
2. turn ko on tv while pressing vol- sa TV at menu

na try ko din ito.
1. turn OFF ko TV
2. turn On ko TV. while on TV mode.. chanel movie on view.. i press VOL- sa TV and Menu sa remote sabay ( pero ang nangyari eh nag volume down lang )

i try all this method using VOL-sa TV at menu sa remote
VOL -sa TV at display sa remote
VOL - sa TV at 0 sa remote

lahat wala brod.

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Re: TCL 2027 problem

Post by samiel on Mon Nov 28, 2011 8:24 pm

dapat bago mo pindutin yung display or menu sa remote,yung volume mo dapat nasa 0 muna using tv unit volume -

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Re: TCL 2027 problem

Post by ultrasonic™ on Fri Dec 02, 2011 11:44 am



^ agreed (^_^

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Re: TCL 2027 problem

Post by willyboy on Wed Jan 04, 2012 12:19 am

mga brod nakuha ko naproblema sa half screen ko.. may leaky ecaps pala.. yung2.2UF/50v..ayun...ok na for a week.

---------->: problema uli.. after a week..

nag single thin horizontal line na lang.
pinalitan ko na lahat ecaps sa tabi ng IC301 TA8403 at bago na din yung IC301 TA8403 ( P160.oo pesos sa raon )..

wahhhhhhhhh..ganun padin...bakit kaya

may sound mga repapipz...kaso..thinhorizontalline lang,,,patulong n man,,,

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Re: TCL 2027 problem

Post by Electro on Wed Jan 04, 2012 3:03 pm


master willy baka wala kang supply sa pin6 at pin3 ng ta8403 o putol iyong winding ng yoke. subokan mong check

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Re: TCL 2027 problem

Post by willyboy on Wed Jan 04, 2012 3:08 pm

sir electro..sensya..diko alampaanomag check ng winding ng yoke.. pagpasensyahan nyo ako,.,,likeko talagamatuto sa tv..

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Re: TCL 2027 problem

Post by willyboy on Wed Jan 04, 2012 3:40 pm

mga sir..yung sa screen nga pla..hindi single horizontal line kundi 2 horizontal line na nasa gitna

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Re: TCL 2027 problem

Post by Electro on Wed Jan 04, 2012 3:41 pm

master willy sundan mo lang ang wire ng yoke. sa dulo niyan ay may socket. doon po kayo mag resistance check
http://image.made-in-china.com/4f0j00bCmEceNMlPph/FR-PP-UL94-V0-for-TV-Deflection-Yoke.jpg


master ok ba ang supply ng vertical mo

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Re: TCL 2027 problem

Post by Electro on Wed Jan 04, 2012 4:01 pm


master baka mali pagkakaintindi ko. saan ba dito master ?
http://www.repairfaq.org/sam/deflprob.gif

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Re: TCL 2027 problem

Post by willyboy on Wed Jan 04, 2012 4:22 pm

boss yung una...pero sa picture mo isalang..sa akin boss eh 2

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Re: TCL 2027 problem

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