PANASONIC TC-20TK

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PANASONIC TC-20TK

Post by Electro on Tue Dec 14, 2010 8:13 pm

mga master patulong na naman ulit. ilang beses na akong nagpapalit ng regulator stk73907. tama naman ang B+
bali backjob po ito, laging bumabalik sa akin ang unit. ilang araw lang ay sira na ulit. pangatlong beses na itong pabalik balik sa akin walang power. shorted na ulit ang power regulator.

takaw sa regulator ang unit nato. laging sabog, sanay matulungan niyo ko mga master. nahihiya na ako sa may ari. laging bumibili ng regulator, mahal pa naman masiyado. 350pesos ang isa
pansin ko lang lagi mga master na sinisira din ang r2ks.

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Re: PANASONIC TC-20TK

Post by Oscar on Wed Dec 15, 2010 9:16 pm

jeff baka leak ang mga capacitor sa paligid ng stk. o baka may nagpalit na resistor value

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Re: PANASONIC TC-20TK

Post by Hertz on Thu Dec 16, 2010 8:45 pm


ilan pala ang B+ nasusukat niyo ?

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Re: PANASONIC TC-20TK

Post by Electro on Fri Dec 17, 2010 9:36 pm

@kosang oscar na check naman nako halos pero ok pa man.

@master hertz 130V po. normal po yata ito tumatagal naman ang tv ng ilang oras. bago masira ulit, sinubukan ko din na sa 110v at saka 220v. ganun pa din.

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Re: PANASONIC TC-20TK

Post by ultrasonic™ on Sat Dec 18, 2010 8:03 pm

parang hndi normal ang B+ mu, masxado yatang mataas o baka nmn di accurate tester mu..

dapat kasi 115-125V, pero di aku cgurado.. i 4got na..
ask nlng sa ko naa ba nay error amp ?
kng naa pilay nkabutang ?

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Re: PANASONIC TC-20TK

Post by Electro on Thu Dec 23, 2010 9:54 pm


nakalimutan ko master Mad silipin ko na lang ulit. pasensya na

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Re: PANASONIC TC-20TK

Post by Electro on Mon Dec 27, 2010 8:50 pm

master ultrasonic™ wala po siyang error amp. bali may pihitan lang na trimmer pang adjust yata sa tamang B+. kong mataas po ang B+ niya, ano po kaya ang normal B+ nito ?

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Re: PANASONIC TC-20TK

Post by Hertz on Wed Dec 29, 2010 1:43 am


@electro meron ba yang avalanche diode na naka shunt sa B+ line mo ?

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Re: PANASONIC TC-20TK

Post by Electro on Thu Dec 30, 2010 7:44 pm

meron po siya master, r2ks ang nakalagay . diyan ko po ba malalaman ang tamang B+ niya ?

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Re: PANASONIC TC-20TK

Post by Electro on Sat Jan 08, 2011 7:50 pm

nasolve ko na ang panasonic ko.

salamat sa lahat ng tumulong lalo kay master ultrasonic™
sinunod ko ang text niya sa akin. palitan daw ang r810=110k 1/8w at r821=82k 1/8w direct na daw mismu kahit di pa change value malapit ito sa trimmer na pang adjust ng B+.. inadjust ang pihitan ginawang eksatong 128V ang B+, di muna pinalagay ang H-out at hinang ang Flybak, bombilya at tester muna ang inilagay ko para mas madaling makita ang pagbabago ng B+. binabad ko ng isang oras ng nakitang ko di nga nagbabago ay nilagay ko na lahat lahat ng parts at ayon tumino ang tv.

di na bumalik sa akin ang tv.. di pa nagbabackjob, magdadalawang linggo na Twisted Evil

salamat sa mga gumabay sa akin dito lalo na sa inyo mga master, tag-iisang puntos kayo sa akin

master ultrasonic™, master hertz at master oscar Twisted Evil

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Re: PANASONIC TC-20TK

Post by pyroelectro on Mon Jan 10, 2011 2:43 pm

Electro wrote:meron po siya master, r2ks ang nakalagay . diyan ko po ba malalaman ang tamang B+ niya ?

sa pagkakaalam ko ang r2ks ay avalanche diode protection lamang para pagtumaas iyong B+ ay magsoshort na agad ito ng mabilisan nang hindi na madamay ang iba pang parte

Electro wrote:nasolve ko na ang panasonic ko.
r810=110k 1/8w at r821=82k 1/8w

saang parte yan ? bakit may effect siya sa B+ out ng Regulator ?

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Re: PANASONIC TC-20TK

Post by Electro on Fri Jan 21, 2011 6:49 pm

[quote="pyroelectro"]
Electro wrote:
sa pagkakaalam ko ang r2ks ay avalanche diode protection lamang para pagtumaas iyong B+ ay magsoshort na agad ito ng mabilisan nang hindi na madamay ang iba pang parte

saang parte yan ? bakit may effect siya sa B+ out ng Regulator ?

ganun ba master. zener diode din pala ang silbi niya.
iyong dalawang resistor na pinalitan ko ay di ko alam kong saan talaga nakalagay. wala kasi akong diagram nito

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Re: PANASONIC TC-20TK

Post by triac on Mon Jan 23, 2012 1:22 am

sir electro,
mayroon din po akong ganitong problema,paano po gawin yung pag hang ng flyback?ang b+ lng po ba?yung collector ng HOT na nka tap sa FBT e hang din po ba...sana maturoan mo rin ako...salamat po...at saka paano e tap ang bulb?60 watts po ba?

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Re: PANASONIC TC-20TK

Post by ultrasonic™ on Mon Jan 23, 2012 1:22 pm

pyroelectro wrote:
saang parte yan ? bakit may effect siya sa B+ out ng Regulator ?

py current limiter ng optocoupler yan.

triac wrote:sir electro,
mayroon din po akong ganitong problema,paano po gawin yung pag hang ng flyback?ang b+ lng po ba?yung collector ng HOT na nka tap sa FBT e hang din po ba...sana maturoan mo rin ako...salamat po...at saka paano e tap ang bulb?60 watts po ba?

float mu lng ng collector pin ng H-out or B+ pin ng flybak

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Re: PANASONIC TC-20TK

Post by triac on Mon Jan 23, 2012 7:56 pm

salamat po sir ultra malaking 2long po ito,sumsakit ulo ko sa unit na ito...ang bait nyo po marami n po kayong natulongan na kgaya ko na kulang pa sa mga karanasan sa troubleshooting...gob bless Very Happy

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Re: PANASONIC TC-20TK

Post by triac on Thu Aug 02, 2012 11:09 am

master electro at master ultra may ginagawa ako na panasonic na ngayon ang model nya TC-14wk,paano po ba gawin yung seires bulb trick,before ba sa R828 or after or kukunin ko yung r828 at ang bulb na ang ikabit ko.salamat po...
Question

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Re: PANASONIC TC-20TK

Post by Electro on Thu Aug 02, 2012 11:34 am

hindi ganyan master. tinatanggal ko ang hot at doon ko nilalagay. sa collector at emiiter
pwede din master na huwag tanggalin ang hot. series niyo lang ang bulb. tungkol sa r810 at r821 pinapalitan ko na agad ang dalawang resistor.

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Re: PANASONIC TC-20TK

Post by triac on Thu Aug 02, 2012 11:38 am

maraming salamat master electro..sa uulitin.. Very Happy

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Re: PANASONIC TC-20TK

Post by ultrasonic™ on Fri Aug 03, 2012 5:05 pm

sali din ang optocoupler (^_^

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Re: PANASONIC TC-20TK

Post by triac on Fri Aug 03, 2012 5:57 pm

master ultra at electro ok na po ito salamat po sa tulong +1 point po kayong dalawa..sa uulitin.. yes

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Re: PANASONIC TC-20TK

Post by ultrasonic™ on Fri Aug 03, 2012 6:19 pm

oie congratz kng ganun... ibabad mu pa ng ilang oras (^_^

kng bago ang power reg mu.. i aware mu lagi ang tumer na wla ng orig ngyon...
kya prone to BJ yan...

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Re: PANASONIC TC-20TK

Post by arkin on Fri Aug 03, 2012 7:02 pm

kraniwang sakit ng old panasonic yang dalawang resistor sa sub regulator.130v sa stanby,pro pa2lo ito sa 180v pagnag-oscilate na.kya tigok kaagad avalache diode.ang masakit pa,damay regulator mo ic mo..

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Re: PANASONIC TC-20TK

Post by triac on Sat Aug 04, 2012 9:39 am

sir ulltra ano po ang BJ?salamat po sir ultra..sir arkin salamat sa dagdag inpormasyon.. Very Happy

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Re: PANASONIC TC-20TK

Post by Hertz on Sat Aug 04, 2012 10:49 am


back job yata

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Re: PANASONIC TC-20TK

Post by arkin on Sat Aug 04, 2012 4:20 pm

back job!bka ano pa bigay meaning sa iba lol!

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Re: PANASONIC TC-20TK

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