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Author Topic: Sony KV-21GDR2,no power, no picture, no sounds.  (Read 384 times)

Offline limuel1347

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Sony KV-21GDR2,no power, no picture, no sounds.
« on: October 06, 2011, 12:09:43 PM »
Sony KV-21GDR2,no power, no picture, no sounds. Pahelp guys kung wat part ang may problem and kung  anu papalitan?
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Sony KV-21GDR2,no power, no picture, no sounds.
« on: October 06, 2011, 12:09:43 PM »

Offline x13r_kit_0

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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #1 on: October 06, 2011, 12:15:06 PM »
Pag no power.,Automatic wala lahat diba..

Perform voltage testing bro,or do the basic muna..resolder.,
check mga major major parts.. :D :D

Dagdagan na rin ng info...
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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #1 on: October 06, 2011, 12:15:06 PM »

Offline BUMBLEBEE

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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #2 on: October 06, 2011, 12:28:03 PM »
^ agree,, abang muna sa update
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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #2 on: October 06, 2011, 12:28:03 PM »

Offline limuel1347

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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #3 on: October 06, 2011, 12:32:31 PM »
               ok.thanks..Possible kya yung 300 volts na supply yung cra?
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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #3 on: October 06, 2011, 12:32:31 PM »

Offline pete

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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #4 on: October 06, 2011, 12:46:19 PM »
Quote from: limuel1347 on October 06, 2011, 12:32:31 PM
               ok.thanks..Possible kya yung 300 volts na supply yung cra?
pwede fuse...

nagtataka lang ako nabuksan monaba ang unit?
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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #4 on: October 06, 2011, 12:46:19 PM »

Offline enriz622

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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #5 on: October 06, 2011, 12:48:22 PM »
kung walang b+ check primary baka sira na ang str ic o resistor lang,putok ba ang fuse at anong kulay ng fuse maitim ba?
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Offline Vaounsi

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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #6 on: October 06, 2011, 12:51:38 PM »
katuwa si ts :D ;D
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Offline limuel1347

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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #7 on: October 06, 2011, 12:57:58 PM »
nabuksan ko na yung unit,yung fuse gumagana nmn,pasuggest nmn po ng mga parts na pede ko icheck ,pakispecific nalang po  kung resistor ,diod, or etc.thanks
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Offline acer

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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #8 on: October 06, 2011, 12:58:56 PM »
info pa  po
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Offline pete

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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #9 on: October 06, 2011, 01:00:38 PM »
check main switch
check voltage on primary cap may naiwan bang supply?
check HOT,
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Offline pEN DoTA

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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #10 on: October 06, 2011, 01:24:39 PM »
back to basic ...
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Offline enriz622

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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #11 on: October 06, 2011, 01:39:31 PM »
yung capacitor sa secondary ng transformer ts may boltahe ba?
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Offline BUMBLEBEE

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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #12 on: October 06, 2011, 01:44:46 PM »
antay ulit ng update,, sundin mo muna ts lahat ng sinabi ng mga ka-elab natin..
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Offline MX45

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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #13 on: October 06, 2011, 04:28:19 PM »
basa mode muna.
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Offline BUMBLEBEE

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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #14 on: October 06, 2011, 04:42:54 PM »
baka may secondary voltage na pero hindi mag-oscillate ,, ;D ;D need info poh sir,, kung may secondary voltage ba o wala,, kung may b+ and so on.....

post mo na rin lahat ng nagawa mo,, hindi kami makahula kung kulang din ng info.. :D

kung dead set ang unit,, first focus ka muna sa primary,, ano poh part number ng power regulator nito?
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Offline unitech

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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #15 on: October 06, 2011, 07:16:01 PM »
pa sub nga dito....
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Offline pEN DoTA

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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #16 on: October 06, 2011, 09:58:24 PM »
nawala na ang t.s
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Offline Emman091063

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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #17 on: May 16, 2013, 05:20:16 PM »
ang problema ko sa repair ko na kv-21GDR2 walang output ang regulator niya na strs6307. parehas ba strs6307 at strs6707 para isubok ang strs6707.
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Offline pete

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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #18 on: May 17, 2013, 08:41:57 PM »
Quote from: Emman091063 on May 16, 2013, 05:20:16 PM
ang problema ko sa repair ko na kv-21GDR2 walang output ang regulator niya na strs6307. parehas ba strs6307 at strs6707 para isubok ang strs6707.
magka iba yan sir.,, next time paki basa mona ng date bago mag post 3  years ago na ang thread na ito
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Offline TBG

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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #19 on: May 18, 2013, 07:27:33 AM »


awwwoooooo,,.
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Re: Sony KV-21GDR2,no power, no picture, no sounds.
« Reply #19 on: May 18, 2013, 07:27:33 AM »
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