Philips, Model: 14PT1582/71R Schematic Diagram

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Philips, Model: 14PT1582/71R Schematic Diagram

Post by mannydioneda on Fri Mar 09, 2012 7:42 pm

Sa mga master, patulong naman ulit, baka mayroon kayong schematic diagram ng Philips 14PT1582/71R. Tinamaan daw ng kidlat, kalat daw ang sira kapag ganito sabi ng Sir namin sa school. Ang na test ko palang ay ang transformer sira. Patulong narin sa pagtroubleshoot..Thanks.

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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by mannydioneda on Sat Mar 10, 2012 7:10 pm

Mga masters, Na check ko rin ang fuse okay din, ang transformer ay shorted ang dalawang Pin sa primary at sa secondary naman ay shorted lahat..patulong po mag trouble shoot..baka po may diagram kayo nito thanks.

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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by ultrasonic™ on Sat Mar 10, 2012 8:26 pm


di aku cgurado kng L9.2A chassis yan, try muna nlng eto
Chassis L9.2A

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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by mannydioneda on Sat Mar 10, 2012 8:43 pm

Salamat master ultra...

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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by bjohn798 on Sat Mar 10, 2012 11:51 pm

about sa transformer po boss many: drop to zero po ba ang reading sa mga pins na sinasabi mong short? or di masyoadong drop?

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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by mannydioneda on Mon Mar 12, 2012 10:37 pm

Master bjohn798 eto yung reading sa x1 x10 at x1k parepareho lang,

sa primary yung apat na PIN
Pin 1-2 = 0
Pin 1-3 = Hindi pumalo
Pin 1-4 = Hindi pumalo

Sa secondary ( 7 pin)
Pin 1-2 = 0
Pin 1-3 = 0
Pin 1-4 = hindi pumalo
Pin 1-5 - hindi pumalo
Pin 1-6 - hindi pumalo
Pin 1-7 - hindi pumalo

I try ko i upload pictures..thanks[img][/img]


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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by mannydioneda on Mon Mar 12, 2012 10:45 pm


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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by mannydioneda on Mon Mar 12, 2012 10:56 pm



eto yung transformer

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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by bjohn798 on Mon Mar 12, 2012 11:06 pm

i think ok pa yang transformer mo. hmm e try natin e ask kay master ultra about diyan

.., anu pla ang condition ng tv mo? may power pa ba ? nag voltage test ka na ba sa psu?

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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by mannydioneda on Mon Mar 12, 2012 11:09 pm

Master Ultra hindi nga chassis L9.2a ito...pa help naman i troubleshoot ito..

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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by mannydioneda on Mon Mar 12, 2012 11:12 pm

May power pa sya pero hindi pa ako nag voltage checking, baguhan pa kasi ako nag-aaral pa.

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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by bjohn798 on Mon Mar 12, 2012 11:31 pm

a bali stand by power lang xa, ndi nag o on?

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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by mannydioneda on Tue Mar 13, 2012 6:59 am

Yes Sir ganun nga stand by power lang sya..

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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by Electro on Tue Mar 13, 2012 1:00 pm


parang meron akong ganyan na board master. tignan ko muna kong pareho ba sila ng reading ng pinost mo

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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by ultrasonic™ on Thu Mar 15, 2012 4:11 pm

tama si bj... mukhang mlayo pa sa suspect ang SMPT (swicth mode power transformer/chopper transfo). at isa pa mdalas lng yan masira only 5% chance lng kng bumigay (^_^)

my kulang din sa resistance measuremnt mu.. only pin1 lng ang gnawa mung common pin.. dpat i test mu na lhat like pin2-pin3, pin3-pin4. (^_^

@sis manny check mu muna kng my B+ ba kaung masukat sa dual filter caps 47uf/160V ? around vrms 95V ka dpat jan..

kng wla ay tumuon sa PSU... lalot ang PWM ic mc44603 at mga peripherals nito

kng meron man kaung masukat jan.. ay check/direct sub ang dalawang ecaps na yan 47uf/160V. mostly my isa jan ng-oopen

try to press the channel up always as ur secondary switch.
uu nga pala anung vert gamit nyan tda9302h na ba ?

kng yan ang gamit ay direct replace ka na rin nyan kng buo ang dlwang filter ecaps na nabanggit ko sa taas 2pcs. 47uf

pa ot: familiar din masxado sa akin ang board. di ko lng maalaala kng anung exact chassis nyan.. parang kasing L7.1A or L7.2A. pwde din nmng PV4.0

hhmmmppp try mu nlng munang mgexplore dito TS.. bka my mahagilap kang guide reference mu jan sa tinutrouble mu.

wait ka na rin ng rply ni jeff bka my board nga xang same ng sau


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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by arkin on Thu Mar 15, 2012 6:26 pm

manny.mali yang gnawa mong tstng procedure.ang chopper ay d gya ng simpling transformer.isolated yong ibang pin.ex:pin1-2,pin3-4.may nakastanby akong ganyang model.tingnan ko yong exact pin,dko kc memorized yong config.wait na rin tyo sa iba bka my time cla i-check.psensya na,masyadong bc kc ngayon..try mo rin ichek yong mga windings,makikita naman yon.

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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by mannydioneda on Thu Mar 15, 2012 10:22 pm

Salamat master Ultra, sige gawin ko yung mga tinuro mo thanks ulit. Very Happy

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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by mannydioneda on Fri Mar 16, 2012 7:16 am

Thanks master ultra, update ako after magawa mga suggestion mo..

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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by mannydioneda on Sun Mar 18, 2012 6:19 pm

Salamat Arkin sige check ko din...

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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by Electro on Mon Mar 19, 2012 12:58 pm


mga master parang magkatulad nga kami ng board 14pt1582 ang nakalagay sa akin sa sticker. tda9302 ang verttical niya. master mannydioneda ibalik niyo muna ang chopper niyo at sukat tayo ng voltage

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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by mannydioneda on Wed Mar 21, 2012 1:51 pm

mga master kinabit ko na ulit yung chopper at nagsukat ng voltage sa dalawang ecaps (47 uf 160 volts) na binanggit ni Master Ultra. Wala akong voltage na nakuha. Pagkatapos kung i voltage check yung dalawang ecaps ay sinukat ko voltage ng pinakamalaking capacitor 400v 220 uf, bakit nasa 600v ang na store sa kanya? Hindi rin na ilaw ang LED sa power pag ini on ang tv pero pag test ko naman ng multimeter sa mismong paa ng LED sa board ay na ilaw naman.


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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by mannydioneda on Wed Mar 21, 2012 1:55 pm




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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by bjohn798 on Wed Mar 21, 2012 3:09 pm

boss many normal lang yan na umiilaw ang led pag tenest natin, but only in one direction.

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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by Electro on Wed Mar 21, 2012 6:10 pm

master 600v ba kamo? dapat sabog na ang capacitor mo. tingin ko hindi na accurate ang tester mo. tingin ko din hindi gumagana ang regulator mo niyan. baka sira ang pwm mc44603. test mo ang mga resistor sa paligid ng regulator p6n60fi baka may nag open. normal po master na iilaw ang LED dahil ganyan talaga ang pagtest sa kanya

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Re: Philips, Model: 14PT1582/71R Schematic Diagram

Post by mannydioneda on Wed Mar 21, 2012 7:22 pm

Salamat mga master, update nalang ako ulit..

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Re: Philips, Model: 14PT1582/71R Schematic Diagram

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