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Author Topic: Samsung TV model CT21Z45MQ, Blinking LED  (Read 520 times)

Offline kokel2004

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Samsung TV model CT21Z45MQ, Blinking LED
« on: April 30, 2012, 10:09:05 AM »
 8) gndang araw mga master! May ginawa kong samsung tv na ngbliblink LED, check ko supply primary s may cap less than 130v dc supply, no secondary out na? check ko mga pyesa around STR W6705F ok nman, posibilidad ba mga master na sira ang STR? kc check ko sa datasheet yung STR wla sya? pa-help naman mga master, God Bless!
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Samsung TV model CT21Z45MQ, Blinking LED
« on: April 30, 2012, 10:09:05 AM »

Offline J@M

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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #1 on: April 30, 2012, 10:47:07 AM »
 Kung blink naman ang led mo mukha buo pa nman STR mo, ok ba b+ nyan,baybayin mo linya nyan bka my bara.
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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #1 on: April 30, 2012, 10:47:07 AM »

Offline DSM_elektronix_shop

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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #2 on: April 30, 2012, 11:04:53 AM »
Quote from: kokel2004 on April 30, 2012, 10:09:05 AM
8) gndang araw mga master! May ginawa kong samsung tv na ngbliblink LED, check ko supply primary s may cap less than 130v dc supply, no secondary out na? check ko mga pyesa around STR W6705F ok nman, posibilidad ba mga master na sira ang STR? kc check ko sa datasheet yung STR wla sya? pa-help naman mga master, God Bless!

bakit nasusukat mo less than 130vdc??

ano po ba rating ng voltage input ng unit?? dapat kasi mga 250vdc yan kung nakasaksak ka sa main outlet natin na 220v..
130vdc yan kung 110v ang ginamit mo supply...

pero ok lang kasi outovolt naman yata ang tv mo magsukat ka sa horizontal output (collector to emitter) kung may nasusukat ka or direct hang mo baka shorted ang transistor mo...kaya nagbiblink... kasi drop ang supply ng secondary voltage..isolate mo muna ang load ng secondary
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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #2 on: April 30, 2012, 11:04:53 AM »

Offline kokel2004

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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #3 on: April 30, 2012, 04:39:33 PM »
gndng araw @ mr jones ble wala sya b+: @ dsm 220v ac outlet n gamit ko, pag out sa package na diode papunta sa 680uf/250v ( bale 2 sila naka series ) 130v dc less nasusukat ko, s palagay nyo sira STR (P250 rin kc halaga nito) ? d ko pa na isolate secondary, d kya bumigay ang STR pag walang LOAD? ciensya d pa ko gaano kabisado yung mga ganitong pamamaraan  :-[
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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #3 on: April 30, 2012, 04:39:33 PM »

Offline J@M

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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #4 on: April 30, 2012, 06:39:34 PM »
Wala problema yan kahit wala ang HOT, jan mo malalaman kng asan banda sira ng unit..once na my masukat ka b+ after hang mo yan malamang cra na HOT mo.
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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #4 on: April 30, 2012, 06:39:34 PM »

Offline mcleod

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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #5 on: May 01, 2012, 01:22:41 PM »
Quote from: kokel2004 on April 30, 2012, 04:39:33 PM
gndng araw @ mr jones ble wala sya b+: @ dsm 220v ac outlet n gamit ko, pag out sa package na diode papunta sa 680uf/250v ( bale 2 sila naka series ) 130v dc less nasusukat ko, s palagay nyo sira STR (P250 rin kc halaga nito) ? d ko pa na isolate secondary, d kya bumigay ang STR pag walang LOAD? ciensya d pa ko gaano kabisado yung mga ganitong pamamaraan  :-[


ts, di naman primary capacitor yan ah! usually primary capacitor nasa 220 uf  or higher / 400 - 450 V. ABL capacitors na-check na ba or napalitan na? i-check ang mga diodes, tapos VERTICAL IC mo, UOC na ba or System Control at Chroma IC(tamad akong mag-check). subukan mo rin ang memory ic. pa-test mo FBt mo(or direct replaced para iwas duda)  ;D ;D ;D
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Offline mcleod

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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #6 on: May 01, 2012, 01:56:02 PM »
may C803 = 330 uf / 400 V ka? parang ito yata main caps mo!  ;D ;D ;D

yung dalawa naka-series 680 uf / 250 V non-polar capacitor? kaw ba una gumawa niyan? at ang puwesto near bridge diode C804 at C805?
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Offline J@M

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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #7 on: May 02, 2012, 05:56:47 AM »
TS eto ba ung mukha LCD ang screen super slim...
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Offline kokel2004

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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #8 on: May 03, 2012, 10:23:57 AM »
gandang araw mga master! Tama ka dsm_electronix dapat isolate secondary, hang ko diode ng b+ pagsukat ko ngkaron ng 126v dc di na sya nagblink! kabit ko uli diode hang ko nman 2 ic regulator n KIA 78 nagblink uli LED, kabit ko uli ic reg, hang ko nman vertical ic, ayun d nagblink tapos lumabas na pic one line nga lang? tapos ngblink LED sumasabay na nawawala pic n one line sukat ko boltahe bumabagsak b+, kala ko sira yung nakaseries n cap n 680uf/250v kaya patay sindi b+. kabit ko bago n vertcal ic LA78045, gumana kaagad. Bale paki LOG sa mga notebook nyo ito Samsung SLIMFLAT sya pag na encounter nyo trouble baka ito sira, dapat talaga teknik n isolation ang gamitin pra marepair mga sirang tv. GOD Bless sa mga nagreply, hanggang sa susunod n kabanata, hehehe ;D 
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Offline DSM_elektronix_shop

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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #9 on: May 03, 2012, 10:58:17 AM »
kaysss nakatulong pla suggestion ko hihihih congrats na sis vertical talaga ang sirain jan kaya ingat ka lang sa tsinoy na vertical... may nagpost na d2 na naglagay ng heatsink sa vertical kasi malakas daw maginit at madaling masira ang vert na nabibili...

congrats pagpapakape ka na ba hehehehe...;D ;D ;D
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Offline kokel2004

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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #10 on: May 05, 2012, 08:05:30 AM »
 8) gndng araw mga master!@mcleod d sya non polar, ble gnito talaga design nya nkaseries 680uf/250v gling sya ng vietnam @ Mr. Jones parang LCD sya super slimflat:@dsm my heatsink sya at na stock ng matagal yung tv, foreigner may ari nnod lang ng magdamag kaya siguro bumigay pgdating ng pinas! Maraming salamas, este salamat uli sa mga nagview at sumubaybay sa forum na ito at sa lahat ng nagreply,babalus, asta la vista master  ;D :D GOD BLESS!
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Offline DSM_elektronix_shop

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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #11 on: May 07, 2012, 05:30:12 PM »
recharge mo sila lahat sis hehehe....
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Offline kokel2004

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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #12 on: May 08, 2012, 12:12:18 PM »
 8) gndng araw mga master! Ur wish is ur command recharge ko lahat ng sumabaybay> GOD BLESS!  ;)
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Offline nucleus

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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #13 on: May 08, 2012, 12:31:05 PM »
EDIT:


huli na pala ako ;D
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Offline kokel2004

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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #14 on: May 08, 2012, 12:38:44 PM »
 :) gndng araw nucleus! nalate k ng reply yari na po yung TV, nakaseries yung cap, 680uf/250v sya. Ang salarin yung vertical, napagkamalan ko yung cap., kasi nag oneline sya tapos evry 2 seconds namamatay tapos ngkakaron. kaya suspetsa ko sira rin cap, yun pla talagang vertical ic sya.
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Kay Yahweh ka magtiwala, buong puso at lubusan,
At huwag kang mananangan sa sariling karunungan.
Siya ang sangguniin sa lahat mong balak,
At kanya kang itutumpak sa lahat ng iyong lakad. :-)

Offline mcleod

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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #15 on: May 08, 2012, 12:41:21 PM »
Quote from: kokel2004 on May 08, 2012, 12:38:44 PM
:) gndng araw nucleus! nalate k ng reply yari na po yung TV, nakaseries yung cap, 680uf/250v sya. Ang salarin yung vertical, napagkamalan ko yung cap., kasi nag oneline sya tapos evry 2 seconds namamatay tapos ngkakaron. kaya suspetsa ko sira rin cap, yun pla talagang vertical ic sya.

congrats ts!
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Offline nucleus

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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #16 on: May 08, 2012, 12:49:51 PM »
for future reference:




DOWNLOAD DITO! :D
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Offline pete

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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #17 on: May 08, 2012, 12:52:03 PM »
ah double post pala ito
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Offline nucleus

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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #18 on: May 08, 2012, 12:55:51 PM »
Quote from: pete on May 08, 2012, 12:52:03 PM
ah double post pala ito

hindi naman ah? ??? yung isa yun master hehehe
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Offline mcleod

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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #19 on: May 08, 2012, 01:20:07 PM »
add ko lang. ang 1st suspect dito sa chassis na ito. main regulator.
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Re: Samsung TV model CT21Z45MQ, Blinking LED
« Reply #19 on: May 08, 2012, 01:20:07 PM »
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