SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

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SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by konektado on Thu Jun 21, 2012 11:13 pm

GUD pm MGa master..may inaayos akong tv mga master.eto ung model nya SAMSUNG(CS-5038V).yung prob nya mga master nagbliblink lng ung led nya kulay green ayaw mag-on nung tv..chinek ko ung regulator nya(3S0680rf) yan ung no. nung regulator.shorted sya..so ayon pinalitan ko,,pero chinek ko muna ung mga pyesa sa paligid nya ok naman,den sinalpak ko n ung new regulator,den i test it.ganun p din sya,,chinek ko B+ nya,150v tapos ung kamay ng tester hindi stable medyo pumipitik ng konti,halos nchek ko n lahat ng pyesa sa power supply nya,hindi ko p din mkuha..ano po kya possible n sira nito.and ung HOT nya ok naman po mga master..sana po masagot nyo ito kagad,para maaply ko sa gnagawa ko,sumasakit n ulo ko sa isa n ito,,sana po if mi diagram kayo pkibigyan n din ako mga master.god bless mga master.salamat ,

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by ultrasonic™ on Fri Jun 22, 2012 11:26 am

chassis K15A yan sis...
ito DL mu - K15A

takenote:fairchild KA3S0765R = KA3S0680RFB kya pwde khit anu isampak (^_^
ito reference mu -> KA3S0765R & KA3S0680R

ok.. on topic na tau dhil malikot ang B+ mu at hndi stabled mlamang my probz kau sa psu lalo na sa feedbacking (FB) o di kya sa biaser circuit. check for possible open or change resist lalot ang mga high resistance prio mu ito : R821= 120k, R852 = 1K & R853 = 1.6K. kng yan ay buo. try to replace ur opto pc123 & error amp TL431

pwde din nsa sa secodary load ang probz nito.. kya check ka din ng mga leak or short diode lalot sa sound amp area & etc...

yan nlng muna

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by arkin on Fri Jun 22, 2012 2:06 pm

pki specify lng gaano klakas yong flactuation ng b+..voltage reading lng..

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by konektado on Fri Jun 22, 2012 2:27 pm

master ultra san po b mkikita ung pc123 & error amp TL431.d ko po kasi medyo mkuha eh,pasensya n master,master ung r821 dto iba ung nkakabit e,d ko mkuha f ano value nito eto po ung kulay nung resistor sa r821(brown,black,gold,gold,white)tapos wala pong r852 & r853 na nkakabit dito..inisaisa ko n po pero wla tlga ung mga resisitor n un,wait ko po answer mo master.salamat po ulit.sana mkuha ko n ung sira nito,,godbless

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by konektado on Fri Jun 22, 2012 2:30 pm

master arkin asa 150v ung b+ nya.tas ayaw bumaba.yun hindi sya stable master.

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by ultrasonic™ on Fri Jun 22, 2012 7:09 pm

^ opto coupler iyang pc123 at error amp ic naman ang TL143


image courtesy by HG chloe

binilugan ko na sa image.. but the tl143 di lng aku sure kng yan na ba iyan nabilugan ko. wla kasi akng hawak na actual board.. mkokonfirm mu nmn yan kng my 143 na numero sa harap ng ic na mukhang transistor (to-92)

on topic ulit... sa ganyan status kng nanginginig ang B+ mu.. dpat isolate mu ang mga secondary load ng PSU eka nga nila disable/unload... pra mas madaling mlaman saan galing ang panginginig. wag lng ang feedback/bias circuit bka my uusok

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by konektado on Fri Jun 22, 2012 7:29 pm

salamat master ultra..update ako kgad pag nchek ko n lahat..godbless master..salamat sa mabilis n pagreply

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by ultrasonic™ on Sat Jun 23, 2012 2:16 pm



jejeje ngkataon lng sis na medjo di gaanong bz at napasilip d2.

btw di ko pla nabanggit. yung color code na binigay mu medjo unknown. kng 5 color band tlga yan.. di applicable na dalawang gold sa 3rd at 4th band. except kng 4 band lng pala iyan at panglima lng ang thermal coefficient .. check mu nlng maigi sis. kng maaari ay e-out of board mu ang resistor pra makuha ang saktong readng at e-compare sa color code.. aware din na nag feed out na ang color nyan..

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by konektado on Mon Jun 25, 2012 4:56 pm

Master ultra,nagpalit n po ako nung huling pyesa n cnbi nyu pero gnun p din po.wla n ko idea if san ko p hahanapin ung sira n un,hehehe,d ko p din mkuha f san un,ngaun lng po nkreply mejo bc ng konti,want ko mtapos un kaso nauubusan nko ng idea master eh,anu p po kaya possible n sira nun,godbless mga master,update lng po.hirap ng samsung na to.

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by ultrasonic™ on Tue Jun 26, 2012 3:29 pm

kng ganun pa rin... try mung isolate or disable ang mga load ng PSU.. simulan mu sa horzontal sect. by hanging the B+ pin ng FBT or collector pin ng H-out. then isaksak mu sa 110V trafo lalot kng autovolt yang unit mu. then obserbahan mu ang B+ out ng psu kng mg eestabled ba. pg ganun pa rin. yung ibang load naman. mgbased ka sa svc manual. my mga resistor na nka series sa + terminal ng filter ecaps patungong ibang circuit. try mu iyang e float.. double check ka ulit ng mga peripheral parts sa psu.. bka my nkakaligtaan ka lng.... ang mga zener diode din sa ibang section bka shorted.. (sound amp, jungle, system & etc)


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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by Hertz on Wed Jul 04, 2012 4:49 pm


subscribe

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by konektado on Thu Jul 05, 2012 11:05 am

mga master sensya n ngaun lng ulit nka online..galing bakasyon,,ngayon ko p lng ulit tutukan tong tv n to.update ko nlng po ulit kayo mga master..apply ko ulit ung tinuro ni master ultra.godbless.tnx

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by ultrasonic™ on Thu Jul 05, 2012 12:00 pm


^ ok lng yan. never be harsh cause everythng is fine.. lol!

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by Oscar on Tue Jul 10, 2012 12:56 pm

mga master hindi kaya yoke ito gaya noong sa akin

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by ultrasonic™ on Mon Jul 16, 2012 5:50 pm

^ pwde kng mgnonormal kng nkatanggal ang def. yoke (^_^

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by konektado on Wed Jul 18, 2012 3:58 pm

gudpm mga master...sensya ngaun lng ulit nakaonline..chineck ko n ung binigay mong payo master ultra ganun p din master.pano ko po itatry yung sa def.yoke..tatangalin ko po ba yung buong yoke mga master?madalang ako makonline mga master kasi dumating n baby boy ko eh,busy sa pag aalaga..d nga ako masyado mkagawa..tnx ulit mga master..buti d p to kinukuha ng may ari.godbless

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by ultrasonic™ on Thu Jul 19, 2012 12:21 pm

oy congratz Daddy kng ganun.. baby mu ang pinaka the best gift na bigay sau ni LOrd.... (^_^


on topic: yapz tnggalin mu ang socket ng yoke,.. kng duda tlga sa yoke...
pero kunti lng ang chance na yoke yang sayo...

pa ot: sori din madalang din ako mka ol ngayon

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by Electro on Wed Jul 25, 2012 4:45 pm

basig naa ni 22uf/50v sa power supply master. testingi og puli

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by ultrasonic™ on Mon Jul 30, 2012 7:55 pm

^ strike 3 ka na (^_^

translated: baka meron itong 22uf/50V sa PSU side. subukang palitan

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by Electro on Thu Aug 02, 2012 11:04 am

sorry talaga master

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by ultrasonic™ on Fri Aug 03, 2012 5:10 pm

always follow lng tau ng rules. basig mabanned ka... mwlag ako ng isang kasangga (^_^

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by konektado on Tue Aug 14, 2012 2:30 am

gud am mga master,update lng aq about dito..ok n po itong unit na to.ung pc 123 ang sira master ultra,cnubukan ko ulit palitan ayon nag ok n,,salamat ng marami master,,ngayon lng naka online ulit.busy sa pag aalaga ng new born baby ko n panganay,,god bless sa inyo mga master,maraming tnx ulit,,

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by triac on Tue Aug 14, 2012 9:42 am

congratz... congratulation

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by ultrasonic™ on Tue Aug 14, 2012 12:33 pm


oie congatz.. +1 ka.. kasi my baby ka na (^_^

tnx din sa pag update ng thread
it will be useful for others samday

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

Post by Oscar on Wed Aug 22, 2012 6:56 pm


opto pala ang sira. congrats master

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Re: SAMSUNG(CS-5038V) BLINK LED only,ayaw magpower.

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