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Author Topic: vertical ic problem  (Read 816 times)

Offline tech1

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vertical ic problem
« on: March 11, 2010, 11:13:43 AM »
mga master help po,

may foldover at retrace line sa ibabaw ng picture
 : replace all cap. at ung ic na an5221

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vertical ic problem
« on: March 11, 2010, 11:13:43 AM »

Offline emj_e2

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Re: vertical ic problem
« Reply #1 on: March 11, 2010, 12:00:31 PM »
marame ng cases nyan dito. invest ka ng time mg research dito sa elab and mag take notes. try to check leak/shorted ceramic/mylar caps, changed value resistors around vert section. check datasheet ng vert ic. sukatan mo boltahe pins nyan- supply and output. take note din ng appearance ng screen if mawala foldover habang sinusukatan mo vert ic. gudluk.  :)
pahabol- dapat bago mga elect caps na ipinalit mo. :)     
emj_e2

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Re: vertical ic problem
« Reply #1 on: March 11, 2010, 12:00:31 PM »

Offline pete

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Re: vertical ic problem
« Reply #2 on: March 11, 2010, 03:56:35 PM »
maaaring coldsold lang yan, check mona din ang mga diode nyan,

TS pwede bang ilagay mo ang name at model # ng unit mo.....
at mga ginawa mo sa unit na to. kailangan complete info para madali ang pag sagot. ok po sir?

ayon kasi ang rules dito para madaling matuntun ang sira.

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Re: vertical ic problem
« Reply #2 on: March 11, 2010, 03:56:35 PM »

Offline AXL

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Re: vertical ic problem
« Reply #3 on: March 11, 2010, 04:25:18 PM »
sir mali yata ung napalitan mo ic na AN5221,- not related po sa vertical section. para po sa sound if un. bka din po hndi s vertical section ung pinagpapalitan mong mga ecap. Ecaps lang yan sir specially arfter your boost diode, just be sure nasa vertical section ka lang ng circuit.

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Re: vertical ic problem
« Reply #3 on: March 11, 2010, 04:25:18 PM »

Offline tech1

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Re: vertical ic problem
« Reply #4 on: March 12, 2010, 07:17:58 AM »
mga sis,
ok na po ung tv
linis ko lang ung board tinanagal ko umg mga solder
ayun ayos na he he.
tnx ulit to all.....

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Re: vertical ic problem
« Reply #4 on: March 12, 2010, 07:17:58 AM »

Offline emj_e2

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Re: vertical ic problem
« Reply #5 on: March 12, 2010, 09:26:56 AM »
congrats. :)
emj_e2

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Re: vertical ic problem
« Reply #5 on: March 12, 2010, 09:26:56 AM »

 

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