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Author Topic: 25PT3323/71 shutoff  (Read 1208 times)

Offline Erol

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25PT3323/71 shutoff
« on: September 09, 2011, 12:35:10 PM »
Patulong uli mga master, namamatay wlang ruster RGB 2.5v, B+ 130, RGB C-board 160v, wla voltage ng G2 pnatest kna FBT ok nman daw. Thanks in advance.
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25PT3323/71 shutoff
« on: September 09, 2011, 12:35:10 PM »

Offline BUMBLEBEE

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Re: 25PT3323/71 shutoff
« Reply #1 on: September 09, 2011, 12:39:37 PM »
Quote from: Erol on September 09, 2011, 12:35:10 PM
Patulong uli mga master, namamatay wlang ruster RGB 2.5v, B+ 130, RGB C-board 160v, wla voltage ng G2 pnatest kna FBT ok nman daw. Thanks in advance.

ilang seconds bago mamatay ang unit??
if seconds lang pwede protect problem ng unit mo

sure ba kayo na wala volts sa g2?? ac range poh ba ginamit nyo??
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Re: 25PT3323/71 shutoff
« Reply #1 on: September 09, 2011, 12:39:37 PM »

Offline Erol

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Re: 25PT3323/71 shutoff
« Reply #2 on: September 09, 2011, 12:57:16 PM »
ac or dc sis wla, sec. lng patay ma sis.
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Re: 25PT3323/71 shutoff
« Reply #2 on: September 09, 2011, 12:57:16 PM »

Offline acer

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Re: 25PT3323/71 shutoff
« Reply #3 on: September 09, 2011, 01:01:12 PM »
check mo mga ecaps sa power PSU
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Re: 25PT3323/71 shutoff
« Reply #3 on: September 09, 2011, 01:01:12 PM »

Offline BUMBLEBEE

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Re: 25PT3323/71 shutoff
« Reply #4 on: September 09, 2011, 01:04:51 PM »
Quote from: Erol on September 09, 2011, 12:57:16 PM
ac or dc sis wla, sec. lng patay ma sis.

 philips to noh ???
mali yata grounding mo saan ka kumukuha ng ground?? jan ka mag-kuha ng ground sa heat sink ng vertical...subukan mo...

may b+ ba eto more info ??
sis para bawas hula eto..
nag-palit kana ng mga capacitor secondary??
nacheck muna vertical section?
ano-ano mga nasukat mo sa secondary ilang boltahe ..may-standby light ba?/ mag-blink2x??
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Re: 25PT3323/71 shutoff
« Reply #4 on: September 09, 2011, 01:04:51 PM »

Offline Erol

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Re: 25PT3323/71 shutoff
« Reply #5 on: September 09, 2011, 01:28:30 PM »
Nagpalit nko mga ecaps sa secondary, may B+ = 130v, may mga sec.  voltage pagon.
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Offline ultrasonic™

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Re: 25PT3323/71 shutoff
« Reply #6 on: September 09, 2011, 06:10:32 PM »

2pcs 47/160V   napalitan ma yata...

vert. Drive ic ?   na check na ba ?

ang mga resistor sa C board ?

nasan  ang mga SOP na test point?
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Offline BUMBLEBEE

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Re: 25PT3323/71 shutoff
« Reply #7 on: September 09, 2011, 07:25:25 PM »
ayan suyod ka banda FBT

may open resistor yata

din if wala vertical section pag-diskitahan
update ka pag-na-check muna lahat vertical section direct sub capacitor..
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Offline Erol

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Re: 25PT3323/71 shutoff
« Reply #8 on: September 11, 2011, 01:11:59 AM »
Napalitan kuna yung ecap na dual Sis Ultra same pa rin. Ok nman lahat voltage sa secondary sa mga testpoint. Dipa ako nagpalit ng vertical IC.
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Offline BUMBLEBEE

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Re: 25PT3323/71 shutoff
« Reply #9 on: September 11, 2011, 01:19:19 AM »
pahinaan muna screen sis observe if mamatay parin...

may standby ba eto na light ilang blinks poh pag-nag-standby na..,
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Offline Erol

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Re: 25PT3323/71 shutoff
« Reply #10 on: September 11, 2011, 02:14:12 AM »
Walang blinks sis pero may stnby sya. Nalilito ako sa ground nito kung saan para sa G2 votage.
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Offline J@M

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Re: 25PT3323/71 shutoff
« Reply #11 on: September 11, 2011, 07:29:04 AM »
Kung ok FBT mo malamang my G2 yan..wag u malito grounding lng yan..try u sa ground ng main ecap..
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Offline J@M

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Re: 25PT3323/71 shutoff
« Reply #12 on: September 11, 2011, 07:40:17 AM »
Ts mataas ata ang B+ mo....
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Offline mcguyver

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Re: 25PT3323/71 shutoff
« Reply #13 on: September 11, 2011, 10:09:12 AM »
try mo tangalin capacitor connected  sa G2 . color blue sa c board.. hula lang...
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Offline mcguyver

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Re: 25PT3323/71 shutoff
« Reply #14 on: September 11, 2011, 10:12:41 AM »
check din pala ABL crt...
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Offline BUMBLEBEE

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Re: 25PT3323/71 shutoff
« Reply #15 on: September 11, 2011, 08:35:16 PM »
Quote from: Erol on September 11, 2011, 02:14:12 AM
Walang blinks sis pero may stnby sya. Nalilito ako sa ground nito kung saan para sa G2 votage.

eto nalang para malaman natin kung nag-oscillate ba ang unit..or yung mismong FBT
dito ka mag-kuha ng grnd cap ng secondary 160v/47uf....
din test point mo sa paa ng FBT na nagsusupply para sa vertical.pake trace..ac range ka 50vac dapat may ma-measure ka jan bago mag shut-off ang unit papalo lang naman yan para malaman natin kung nag-osci.. ba...pag wala..may problem ka sa HOT section or trace mo kung saan patungo yung base ng HOT...pake-silip narin sa HDT mo..make sure may boltahe yan sa collector para makapag- oscillate yung unit..
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Offline brucetech

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Re: 25PT3323/71 shutoff
« Reply #16 on: September 11, 2011, 09:22:48 PM »
ts kung wala kang nakikita na blink sa led nyan ibig sabihin hindi nag o oscilate ang unit mo..
 
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Offline Erol

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Re: 25PT3323/71 shutoff
« Reply #17 on: September 11, 2011, 09:53:24 PM »
Sis Bumlebee try ko bukas advice mo pag-uwi ko d2 pa ko work. Thanks po sa info.
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Offline BUMBLEBEE

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Re: 25PT3323/71 shutoff
« Reply #18 on: September 11, 2011, 10:02:26 PM »
Quote from: Erol on September 11, 2011, 09:53:24 PM
Sis Bumlebee try ko bukas advice mo pag-uwi ko d2 pa ko work. Thanks po sa info.

basic muna yan...para maka-pagmove-on...tayo..hirap kc manghula..daming huhulaan ;D ;D....
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Offline Erol

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Re: 25PT3323/71 shutoff
« Reply #19 on: September 11, 2011, 10:10:38 PM »
May 13v sa secondary sis bago shutoff kaso no raster sya.
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Re: 25PT3323/71 shutoff
« Reply #19 on: September 11, 2011, 10:10:38 PM »
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