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Author Topic: sharp primo  (Read 526 times)

Offline crystalis_24

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sharp primo
« on: April 16, 2012, 05:00:06 PM »
sir bakit po kaya namamatay bigla ung power nung tv. nag resolder n po ako s power supply section ganun p din po pde po kayang sira ung regulator nya n STR5453?? tapos po pag namamatay sya chinek ko po ung b+ nya present nmn po..
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sharp primo
« on: April 16, 2012, 05:00:06 PM »

Offline BUMBLEBEE

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Re: sharp primo
« Reply #1 on: April 16, 2012, 05:06:56 PM »
kung hindi nawawala ang supply ng secondary habang patay yung unit,, good ang regulator nito...

nasa secondary ang problem
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Re: sharp primo
« Reply #1 on: April 16, 2012, 05:06:56 PM »

Offline crystalis_24

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Re: sharp primo
« Reply #2 on: April 16, 2012, 05:11:17 PM »
ok po ano po kaya pede i test?? kasi po pag ginagalaw ko lang ung board namamatay po sya
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Re: sharp primo
« Reply #2 on: April 16, 2012, 05:11:17 PM »

Offline Min

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Re: sharp primo
« Reply #3 on: April 16, 2012, 05:16:49 PM »
Definitely loose connection problema mo. Check solder and crack sa PCB.
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Re: sharp primo
« Reply #3 on: April 16, 2012, 05:16:49 PM »

Offline crystalis_24

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Re: sharp primo
« Reply #4 on: April 16, 2012, 05:20:19 PM »
tnx po nag resolder n po ako s power supply section lahat po b nung my crack reresolder ko po?
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Re: sharp primo
« Reply #4 on: April 16, 2012, 05:20:19 PM »

Offline BUMBLEBEE

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Re: sharp primo
« Reply #5 on: April 16, 2012, 05:30:35 PM »
syscon and jungle hinangin mo,, lahat ng posibleng magkakaloose,, lalo na ang FBT and HDT
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Offline Min

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Re: sharp primo
« Reply #6 on: April 16, 2012, 05:32:20 PM »
tyaga lng kaylangan dyan kasi intermitent ung loose connection nya. gumamit ka malinaw na flashlight para ma ispot-an mo ung crack or kung solder man ung kumakalas.

Nakakasakit ng ulo yan kasi ung loose minsan malayo sa ine expect mo. kapag pagod na isip pwde ituloy mo the next day para fresh ang mind. ganun ang ginagawa ko.
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Offline MX45

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Re: sharp primo
« Reply #7 on: April 16, 2012, 05:35:09 PM »
measure volatges 9V,5V,12V ..habang ginagalaw mo yung board. check kung alin dyan ang nawawala. mas maganda kung sa vcc jungle ic at system ic ka mag measure.
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Offline BUMBLEBEE

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Re: sharp primo
« Reply #8 on: April 16, 2012, 05:36:42 PM »
paalala lang ingat sa paghinang ..drain mo muna mga high voltages.....

pati sa syscon and jungle ingat lang
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Offline crystalis_24

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Re: sharp primo
« Reply #9 on: April 16, 2012, 05:47:56 PM »
tnxpos mga nag reply

anopoung FBT tsaka HDT??

tsaka ung vcc un po ba ung ic na single line ung pin??

kasi po alam kong junggle ic ung malaki tsaka kabilaan ung pin

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Offline NORTH LUZON

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Re: sharp primo
« Reply #10 on: April 16, 2012, 05:58:20 PM »
loskon
resolder muna
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Offline Min

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Re: sharp primo
« Reply #11 on: April 16, 2012, 06:06:57 PM »
Quote from: crystalis_24 on April 16, 2012, 05:47:56 PM
tnxpos mga nag reply

anopoung FBT tsaka HDT??

tsaka ung vcc un po ba ung ic na single line ung pin??

kasi po alam kong junggle ic ung malaki tsaka kabilaan ung pin


TS eto ibig sabihin nun
FBT=Flyback transformer
HOT?=Horizontal Output Transistor
Vcc=Ito ung supply pin ng mga IC's
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Offline Disabled

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Re: sharp primo
« Reply #12 on: April 16, 2012, 07:01:19 PM »
ehem ;D
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Offline crystalis_24

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Re: sharp primo
« Reply #13 on: April 16, 2012, 10:14:17 PM »
tnx po hehe kaya po pala walang jungle ic kasi magkasama n ung system tsaka jungle

sa ilalim po sya nakalagay ung ung ic n square.... tama po ba???

nasearch ko lang po

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Offline crystalis_24

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Re: sharp primo
« Reply #14 on: April 16, 2012, 10:15:20 PM »
tnx sir shockwave  ;D
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Offline Gabriell

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Re: sharp primo
« Reply #15 on: April 17, 2012, 03:11:16 AM »
check for loose board or crack board.
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Offline m@r

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Re: sharp primo
« Reply #16 on: April 17, 2012, 11:08:33 AM »
smd na pala jungle nito... solder muna possible loose connection, mabuti gumamit ng magnifying glass para mas klaro...
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Offline crystalis_24

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Re: sharp primo
« Reply #17 on: April 17, 2012, 09:13:48 PM »
working n po ung unit tnx po sa lahat ng nag effort mag message

inoobserbahan ko nlng po pero d na po nawawala ung ossilation :)
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Offline RhUNhA

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Re: sharp primo
« Reply #18 on: April 18, 2012, 10:01:18 AM »
kapehan na ito....    ;D ;D ;D
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Offline crystalis_24

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Re: sharp primo
« Reply #19 on: April 18, 2012, 11:10:57 PM »
ok n ok n po ung unit master
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Re: sharp primo
« Reply #19 on: April 18, 2012, 11:10:57 PM »
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