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Author Topic: Panasonic TC-21GX10PS autoshutdown after 5 seconds  (Read 1438 times)

Offline Simatar

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Panasonic TC-21GX10PS autoshutdown after 5 seconds
« on: February 22, 2010, 02:48:47 PM »

Mga master nacaencounter na kayo ganito trouble?

Panasonic normal sound and Video pagkapower ON....then  auto shutdown after  5-8 seconds.

Pwede i ON ulit without  unpluging. Pero ganon pa rin mag sshutdown ulit.

 Regulator STR W6554A
 Vertical AN15525

Any suggestions mga master  bago ituloy ang troubleshooting?




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Panasonic TC-21GX10PS autoshutdown after 5 seconds
« on: February 22, 2010, 02:48:47 PM »

Offline moira

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Re: Panasonic TC-21GX10PS autoshutdown after 5 seconds
« Reply #1 on: February 22, 2010, 04:02:58 PM »
baka cold solder
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Re: Panasonic TC-21GX10PS autoshutdown after 5 seconds
« Reply #1 on: February 22, 2010, 04:02:58 PM »

Offline pete

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Re: Panasonic TC-21GX10PS autoshutdown after 5 seconds
« Reply #2 on: February 22, 2010, 04:16:57 PM »
Quote from: remz on February 22, 2010, 04:02:58 PM
baka cold solder
agree kong wala ka namang naririnig na ibang sound pwede nga....
or pwede rin ecaps sa power supply , vertical.
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Re: Panasonic TC-21GX10PS autoshutdown after 5 seconds
« Reply #2 on: February 22, 2010, 04:16:57 PM »

Offline MX45

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Re: Panasonic TC-21GX10PS autoshutdown after 5 seconds
« Reply #3 on: February 22, 2010, 05:49:19 PM »
baka naka child lock to sis.. kung meron lang.
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Re: Panasonic TC-21GX10PS autoshutdown after 5 seconds
« Reply #3 on: February 22, 2010, 05:49:19 PM »

Offline pete

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Re: Panasonic TC-21GX10PS autoshutdown after 5 seconds
« Reply #4 on: February 22, 2010, 06:03:50 PM »
Quote from: ccasiser on February 22, 2010, 05:49:19 PM
baka naka child lock to sis.. kung meron lang.

sa pag kaka unawa ko sa child lock e hindi mo mailipat
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Re: Panasonic TC-21GX10PS autoshutdown after 5 seconds
« Reply #4 on: February 22, 2010, 06:03:50 PM »

Offline MX45

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Re: Panasonic TC-21GX10PS autoshutdown after 5 seconds
« Reply #5 on: February 23, 2010, 08:06:15 AM »
sis pete.. naincounter ko po kasi yan sa sharp valeo pag kabuhay mga 5sec off ulit, may naka pag tips sa akin na Tech din baka daw nagalaw ang child lock, may tinuro sa akin pero di ko na matandan pero naalala ko lang eh may pinag sabay na button tapos power on, tapos yun nag okay na unit.tapos sabi nya baka na i set ang child lock.

pero ito pong panasonic hindi ko sure kung meron sya nito ..
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Offline Simatar

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Re: Panasonic TC-21GX10PS autoshutdown after 5 seconds
« Reply #6 on: February 23, 2010, 10:49:58 AM »
Mga master ganito ung cituation...
Quote from: Simatar on February 22, 2010, 02:48:47 PM

Pwede i ON ulit without  unpluging. Pero ganon pa rin mag sshutdown ulit.
Sorry! Mali pala ito... switch pala sa AC line nakakonek ...

Pag ON normal naman video & sound... pag shutdown nya nagddrop na ung boltahe sa secondary, nagiging flactuating (pumipitik) 10-15v na lang... at ung LED indicator nya nagbblink ng mabagal... sa primary ecap 300v ang measured..
Ang switch nito ay sa AC line... so switch OFF para macut... then pag ON aandar ulit...

Action taken resoldering and direct replacement ng reg... the same pa rin.

Any idea mga masters....

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Offline moira

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Re: Panasonic TC-21GX10PS autoshutdown after 5 seconds
« Reply #7 on: February 23, 2010, 11:00:30 AM »
replace filter cap sa secondary sir. Ilan ang B+ nasulkat mo?
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Offline Simatar

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Re: Panasonic TC-21GX10PS autoshutdown after 5 seconds
« Reply #8 on: February 23, 2010, 11:37:23 AM »
Quote from: remz on February 23, 2010, 11:00:30 AM
replace filter cap sa secondary sir. Ilan ang B+ nasulkat mo?

Natry na palitan  kanina Kosa ganon pa rin.

Kosa pag nakaON sya 130v (normal ba ito sa panasonic?)...
....pag shutdown fluctuating 10-15v na lang.
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Offline MX45

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Re: Panasonic TC-21GX10PS autoshutdown after 5 seconds
« Reply #9 on: February 23, 2010, 12:28:25 PM »
sis. na try mo na ba sa 110V ang source anong B+?
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Offline Simatar

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Re: Panasonic TC-21GX10PS autoshutdown after 5 seconds
« Reply #10 on: February 23, 2010, 03:02:50 PM »
Mga master hindi pa nadadale...
Quote from: ccasiser on February 23, 2010, 12:28:25 PM
sis. na try mo na ba sa 110V ang source anong B+?

sir ccasiser pag sa 110V ... same p rin 130v sa sec ecap... sa primary ecap 100V
Pagshutdown hindi na fluctuating 10-15V sa sec ecap, stable 130V na sya...
Ung LED nya steady green na ang ilaw...


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Offline pete

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Re: Panasonic TC-21GX10PS autoshutdown after 5 seconds
« Reply #11 on: February 24, 2010, 09:06:48 AM »
STR W6554A---130vdc  po ang B+ nyan.
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Offline ultrasonic™

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Re: Panasonic TC-21GX10PS autoshutdown after 5 seconds
« Reply #12 on: February 24, 2010, 09:25:29 AM »
try  nyu  direct  replacement  ng mga small elect. caps around ur Reg.
kalimitan  may pumapalya  jan.. pagnakababad na sa init
kng  ayaw  pa rin sali  mu  na ang peripherals  nito

observe also  for the HOT  baka  masxadong  mainit
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Offline Simatar

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Re: Panasonic TC-21GX10PS autoshutdown after 5 seconds
« Reply #13 on: February 24, 2010, 09:39:21 AM »
Quote from: ultrasonic™ on February 24, 2010, 09:25:29 AM
try  nyu  direct  replacement  ng mga small elect. caps around ur Reg.
kalimitan  may pumapalya  jan.. pagnakababad na sa init
kng  ayaw  pa rin sali  mu  na ang peripherals  nito

observe also  for the HOT  baka  masxadong  mainit

Sir ultra nareplace na lahat ng ecaps sa reg section...

Update ko kayo mamaya icheck ko lang ulit... thanks sa reply...
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Offline sEPh

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Re: Panasonic TC-21GX10PS autoshutdown after 5 seconds
« Reply #14 on: March 08, 2010, 03:43:56 PM »
baka po may protect sa may flyback banda...
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Offline pEN DoTA

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Re: Panasonic TC-21GX10PS autoshutdown after 5 seconds
« Reply #15 on: March 08, 2010, 04:51:07 PM »
kumusta na to?ok na ba to? huli na ba ako?T.S pls update?
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Re: Panasonic TC-21GX10PS autoshutdown after 5 seconds
« Reply #15 on: March 08, 2010, 04:51:07 PM »
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