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Author Topic: sharp primo 20v-l75m  (Read 1045 times)

Offline tatamcleanz

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sharp primo 20v-l75m
« on: February 05, 2012, 02:18:36 PM »
mga sis, tulong naman, e2 meron 5v at saka b+ tungo fbt. mag osc sya. tapos mawala mga 2 secs. try ko hung ung b+ tungo fbt. , ganun pa rin nag-osc tapos mawala. pls help. posible kaya eeprom to. tnx, baguhan pa kasi.
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sharp primo 20v-l75m
« on: February 05, 2012, 02:18:36 PM »

Offline Tripler02

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Re: sharp primo 20v-l75m
« Reply #1 on: February 05, 2012, 04:10:17 PM »
Check vertical ic baka loscon,kung ok naman,directsub na.
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Re: sharp primo 20v-l75m
« Reply #1 on: February 05, 2012, 04:10:17 PM »

Offline DJFEL

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Re: sharp primo 20v-l75m
« Reply #2 on: February 05, 2012, 05:20:12 PM »
abang sa vertical...
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Re: sharp primo 20v-l75m
« Reply #2 on: February 05, 2012, 05:20:12 PM »

Offline NORTH LUZON

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Re: sharp primo 20v-l75m
« Reply #3 on: February 05, 2012, 06:01:49 PM »
Quote from: tatamcleanz on February 05, 2012, 02:18:36 PM
mga sis, tulong naman, e2 meron 5v at saka b+ tungo fbt. mag osc sya. tapos mawala mga 2 secs. try ko hung ung b+ tungo fbt. , ganun pa rin nag-osc tapos mawala. pls help. posible kaya eeprom to. tnx, baguhan pa kasi.


magulo ang scenario ng trobol mo sis
bakit hang na ang b+ eh nagooscillate pa?
ano ba ang sinasabi moi na nagooscillate?
more details
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Re: sharp primo 20v-l75m
« Reply #3 on: February 05, 2012, 06:01:49 PM »

Offline RhUNhA

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Re: sharp primo 20v-l75m
« Reply #4 on: February 05, 2012, 07:00:01 PM »
Quote from: AMIANAN on February 05, 2012, 06:01:49 PM
magulo ang scenario ng trobol mo sis
bakit hang na ang b+ eh nagooscillate pa?
ano ba ang sinasabi moi na nagooscillate?
more details


medyo naguluhan nga din ako...


resolder ka muna bka may loscon...
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Re: sharp primo 20v-l75m
« Reply #4 on: February 05, 2012, 07:00:01 PM »

Offline charile

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Re: sharp primo 20v-l75m
« Reply #5 on: February 05, 2012, 07:13:55 PM »
check mo vertical section,
check mo rin crystal diode sa my parteng 180v ng FBT papuntang jungle... high resistance check mo x10k sa VOM baka may leak.. common yan sa mga primo.
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Offline jojoc

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Re: sharp primo 20v-l75m
« Reply #6 on: February 05, 2012, 08:23:01 PM »
bago lang po me mga masters...san kaya ako magsisimula kase dead set or no power changhong 21F39PH tv me
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Offline NORTH LUZON

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Re: sharp primo 20v-l75m
« Reply #7 on: February 05, 2012, 08:38:14 PM »
Quote from: jojoc on February 05, 2012, 08:23:01 PM
bago lang po me mga masters...san kaya ako magsisimula kase dead set or no power changhong 21F39PH tv me

gumawa ka ng new thread para sa changhong mo kapatid kasi para sa sharp ito
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Offline Tripler02

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Re: sharp primo 20v-l75m
« Reply #8 on: February 05, 2012, 09:16:22 PM »
jojoc.jojoc..hijacker ka ah.ehe.madali lang gumawa own thread,konting kalikot pa.=)
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Offline DJFEL

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Re: sharp primo 20v-l75m
« Reply #9 on: February 05, 2012, 10:20:53 PM »
Quote from: jojoc on February 05, 2012, 08:23:01 PM
bago lang po me mga masters...san kaya ako magsisimula kase dead set or no power changhong 21F39PH tv me

basa mood lang taU mga sis...
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Offline tatamcleanz

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Re: sharp primo 20v-l75m
« Reply #10 on: February 06, 2012, 04:00:55 PM »
try ko lang mga dre.
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Offline tatamcleanz

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Re: sharp primo 20v-l75m
« Reply #11 on: February 06, 2012, 04:08:01 PM »
oscila8 ung hot kaya lang walang suply ung fbt.
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Offline Simatar

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Re: sharp primo 20v-l75m
« Reply #12 on: February 06, 2012, 06:09:11 PM »
 ??? pa subs
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Offline charile

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Re: sharp primo 20v-l75m
« Reply #13 on: February 06, 2012, 09:56:10 PM »
Quote from: tatamcleanz on February 06, 2012, 04:08:01 PM
oscila8 ung hot kaya lang walang suply ung fbt.


you mean may .5volts oscilation sa base ng H-out/?? pero Wala B+ ba? ibig sbihin sis? nalilito ako eh...

any way, kung wala B+ sukat ka output voltage sa sec. ng chopper... at chech mo fusibles, ecap 160v. baka mkatulong..
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Offline enriz622

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Re: sharp primo 20v-l75m
« Reply #14 on: February 06, 2012, 10:11:45 PM »
ilan ang boltahe sa collector sis,pag nag shutdown ba bagsak din ang b+ or steady lang,baka may problema ang vertical mo
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Offline tatamcleanz

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Re: sharp primo 20v-l75m
« Reply #15 on: February 07, 2012, 08:17:49 AM »
tama ka char, kuha ko na. 180 volt patungo eeprom nag changa value resistor. kaya pinalitan q ng 22k nakaseries sa crystal diode. d na kasi mkita ung 1st color ok naman. tnx mga sis.
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Offline MX45

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Re: sharp primo 20v-l75m
« Reply #16 on: February 07, 2012, 08:38:50 AM »
Quote from: tatamcleanz on February 07, 2012, 08:17:49 AM
tama ka char, kuha ko na. 180 volt patungo eeprom nag changa value resistor. kaya pinalitan q ng 22k nakaseries sa crystal diode. d na kasi mkita ung 1st color ok naman. tnx mga sis.

Congrats na pala.. pero anong location number nito, sure kaba na papuntang eeprom ito?
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Offline charile

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Re: sharp primo 20v-l75m
« Reply #17 on: February 07, 2012, 08:53:34 AM »
congrats sis... location nyan, susugin mo 180v galing fbt... my crystal diode dun series sa iba pang components ppuntang jungle un sis...

Kapehan na...
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Offline enriz622

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Re: sharp primo 20v-l75m
« Reply #18 on: February 07, 2012, 09:23:41 AM »
22k 3watts ba yan supply ng tuner yan ah, may nakaharang na zener diode 33volts
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Offline tatamcleanz

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Re: sharp primo 20v-l75m
« Reply #19 on: February 07, 2012, 09:52:33 AM »
1/4 lang sis nakaseries pa ng isa tapos diode patungo eeprom. di ko makuha location number dun sa shop kasi. la din po akong schematic,.
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Re: sharp primo 20v-l75m
« Reply #19 on: February 07, 2012, 09:52:33 AM »
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