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Author Topic: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.  (Read 5059 times)

Offline noman75

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Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« on: March 29, 2011, 05:52:20 PM »
mga sis need ko ideas nyo dito,,, pag on mo ng unit ok lahat may channel at sounds, ok din lahat ng mga vcc B+ 130v, 24v, 15v, 11v, at stadby 5v  pero in second lang shut down ang unit... pa help mga sanyo expert...  ;)

Eto mga parts gamit nito...

*syscon/jungle (UOC) => QXXAVC935-M
*eeprom  => 24c162
*regulator => 5Q0765RT
*verticat ic => LA78040
*audio => AN17821a

Action Taken...

*resolder almost entire board and chips parts and ensured no short-soldered...
*replaced vetrical ic
*reprogram eeprom
*hang tuner, ir, tact switches tsaka audio ic ganun pa rin...

TIA sa mga may ideas na esshare nito....
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NoMaNz 4-ever

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Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« on: March 29, 2011, 05:52:20 PM »

Offline noman75

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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #1 on: March 29, 2011, 06:33:55 PM »
Quote from: noman75 on March 29, 2011, 05:52:20 PM
mga sis need ko ideas nyo dito,,, pag on mo ng unit ok lahat may channel at sounds, ok din lahat ng mga vcc B+ 130v, 24v, 15v, 11v, at stadby 5v  pero in second lang shut down ang unit... pa help mga sanyo expert...  ;)

Eto mga parts gamit nito...

*syscon/jungle (UOC) => QXXAVC935-M
*eeprom  => 24c162
*regulator => 5Q0765RT
*verticat ic => LA78040
*audio => AN17821a

Action Taken...

*resolder almost entire board and chips parts and ensured no short-soldered...
*replaced vetrical ic
*reprogram eeprom
*hang tuner, ir, tact switches tsaka audio ic ganun pa rin...

TIA sa mga may ideas na esshare nito....


Correction lang po mga sis,, mali pala ung ibang parts nalagay ko.... sorry..

*syscon/jungle (UOC) => QXXAVC935-M
*eeprom  => 24c162
*regulator => STRW6753
*verticat ic => LA78040
*audio => hindi ko nailista pala  ;)
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NoMaNz 4-ever

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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #1 on: March 29, 2011, 06:33:55 PM »

Offline taqui

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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #2 on: March 29, 2011, 06:35:10 PM »
shut down? back to standby ba sis o totaly dead set pati psu?

wait naten mga master
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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #2 on: March 29, 2011, 06:35:10 PM »

Offline ultrasonic™

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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #3 on: March 29, 2011, 06:36:46 PM »
anung behavior ng B+  during pagshutdown ?
sirain ang power reg. nitung chassis  nito at yug small ecap nya sa PSU
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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #3 on: March 29, 2011, 06:36:46 PM »

Offline noman75

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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #4 on: March 29, 2011, 06:45:05 PM »
shutdown mga sis at back to standby after 1 sec,, hindi naman mawawala mga secondary vcc ng chooper...
tsaka pinalitan ko reg at cap nito sa PSU @master ultra...
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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #4 on: March 29, 2011, 06:45:05 PM »

Offline RhUNhA

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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #5 on: March 29, 2011, 07:08:39 PM »
patambay nga po
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Offline ultrasonic™

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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #6 on: March 29, 2011, 08:18:37 PM »
sis  sigurado ka bang buo ang vert. drive nyan..
hindi  ba sinabi nang may  ari ang history nyan..
baka  lightning damage yan.  UOC failure
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Offline NORTH LUZON

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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #7 on: March 29, 2011, 08:39:33 PM »
nagshushut off ang horiz oscillation nito malamang
@ts
direct sub mo ung ecap sa may secondary ng chopper mo lalo na ung supply na pinagkukunan ng 5v mo.
desolder mo narin muna mga tact switches mo
check mo rin ung HDttans4mer mo baka nangitim na
check mo rin ung core ng lipadlikod mo at baka aalog alog na
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Offline noman75

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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #8 on: March 29, 2011, 08:42:01 PM »
yup cgurado ako sa vert nito master ultra hinugot ko galing sa running unit..
tsaka sabi ng may-ari vert hieght problema nito nuon pinaayos nya ng ibang tech lumala ang problema, unang check ko nto ay walang vcc out sa chopper out taps change ako ng reg at caps sa PSU ayon ok na pero shutdown ngayon ang problema ko sis....
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NoMaNz 4-ever

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Offline noman75

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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #9 on: March 29, 2011, 08:44:00 PM »
yup!! try ko yan bukas @sis kagz,,, sana nga ecaps lang to sis...
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NoMaNz 4-ever

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Offline ultrasonic™

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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #10 on: March 29, 2011, 08:44:35 PM »
Quote from: noman75 on March 29, 2011, 08:42:01 PM
yup cgurado ako sa vert nito master ultra hinugot ko galing sa running unit..
tsaka sabi ng may-ari vert hieght problema nito nuon pinaayos nya ng ibang tech lumala ang problema, unang check ko nto ay walang vcc out sa chopper out taps change ako ng reg at caps sa PSU ayon ok na pero shutdown ngayon ang problema ko sis....

naku sinbasabi ko na nga  ba..  kng hindi lightning damage  ay galing sa magician tech... hahaizz... siguradong bangungot  yan ;D

meron  ka bang SVC manual baka hinaluan  na  yan ng magic gimik
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Offline NORTH LUZON

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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #11 on: March 29, 2011, 08:46:39 PM »
@master ultra
pasend narin ng schema nito
daig ng maagap ang masipag hehehehe
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Offline ultrasonic™

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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #12 on: March 29, 2011, 08:49:08 PM »

toinkz  AC6-A  yata chassis nito..
meron ka na yata  nito eh ;D
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Offline NORTH LUZON

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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #13 on: March 29, 2011, 08:54:38 PM »
Quote from: ultrasonic™ on March 29, 2011, 08:49:08 PM
toinkz  AC6-A  yata chassis nito..
meron ka na yata  nito eh ;D

check ko bukas master
uunahan ko na si sis 75noman
hehehehe
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Offline lhan

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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #14 on: March 29, 2011, 09:03:44 PM »
malamang power failure yan sir, pag may prob sa abl vert at video suuply,, pki check mga resistor,, hula lng
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Offline noman75

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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #15 on: March 29, 2011, 09:06:22 PM »
heheheh oo nga @sis ultra... meron akong schem nito sis... ac7-a meron nga pala akong nakita parang kinunan ng chips sa area ilalim sa vert ic ...



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NoMaNz 4-ever

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Offline noman75

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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #16 on: March 29, 2011, 09:10:49 PM »
wow!!! nanghuhula ka na rin pala @sis lhan ;D ty sa tip....
cge double ko nga yan bukas,,, chips res ba yan sis o malalaki yan?
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NoMaNz 4-ever

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Offline lhan

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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #17 on: March 29, 2011, 09:23:26 PM »
sis noman kaya nga hula lng ksi ndi p ko nakabukas ganyan model ng sanyo ;D ;D ;D
pm mo si ateh tdh700 ung macho ng elab n bading may gawa cya ganyan trobol,, swak yan ;D ;D
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Offline noman75

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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #18 on: March 29, 2011, 09:27:46 PM »
;D ;D ;D ty pa rin sis at least dagdag idea na rin yan sa akin...

cge sis try ko pm cla...
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NoMaNz 4-ever

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Offline comtronixs

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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #19 on: March 30, 2011, 01:38:46 AM »
sir jumper mo resistor ng supply papuntang heater may naencounter akong ganyan
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Re: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.
« Reply #19 on: March 30, 2011, 01:38:46 AM »
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