caramoan tour package

caramoan tour package

Author Topic: Sanyo st-14ce1v,,, mga sis i need ur expertise.... unit will shut down in 1 sec.  (Read 5052 times)

Offline comtronixs

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nagbirthday na pala toh :)

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Offline mcleod

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binuhay ni ts eh. nakapagpalit ka ba ng regulator? tamad me mgbackread ang haba eh! hanapin ang datasheet ng regulator at uoc / system control, specifically hanapin ang fb (OVP / OCP) eto signal ng pagpatay to standby. pede ding optocoupler nagbibigay ng signal nito or transistor sa mga makalumang tv.
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Offline miel

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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....
sir norman napanaginpan ko na ito eh diko alam kung totoo panaginip ko hehehe ang ginwa ko tinangal ko nalang ung D 468 ayun gumana na ewan kolang kung tama ung panaginip ko kc bigla akong nagising try mo baka tama panaginip ko makikita mo un kung may diagram ka sundan mo ung PF

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Offline miel

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bok nagawa mo na yata lahat a..ito gawin mo..galing fbt un resistor papuntang heater check mo baka sira bulzeye na yan..update po.
napanaginipan ko rin ito tama nga buo ung resistor naging 1.8 omhs eh ang value eh 1 ohms short ko nalang ayun gumana ang unit ang short ko ung galing sa flyback ha hindi ung nasa crt alam ko kc meron pa resistor sa crt na heater din

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Offline comtronixs

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ang dalas mo naman managinip sir :)

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Offline Tripler02

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agree,directsub heater resistor.
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Offline noman75

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napanaginipan ko rin ito tama nga buo ung resistor naging 1.8 omhs eh ang value eh 1 ohms short ko nalang ayun gumana ang unit ang short ko ung galing sa flyback ha hindi ung nasa crt alam ko kc meron pa resistor sa crt na heater din

yup tapos na ako nyan sis,, pinakauna ko yang ginawa jumper res heater at hang ung d468 but no luck.. kahit ung q471 at 471 hang direct sub ko na at same parin...
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Offline lenovo

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ayun sa  salaysay mo badz,,, parang wala s prot nasa system o mem,,,opinion ko lng ha,,, ala p kz ko tulog :)

nagawa mo n pala ung panaginip ni sir meil kz,,, ;D ;D

Offline noman75

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ahahahah!! yup nagawa ko na ung napanaginipan ni sistah miel ;D tulog ka muna baklang lando :P
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Offline Tripler02

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yup tapos na ako nyan sis,, pinakauna ko yang ginawa jumper res heater at hang ung d468 but no luck.. kahit ung q471 at 471 hang direct sub ko na at same parin...
hindi ubra jumper sis,laruin mu from 3.3oms to 5.6oms,
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Offline noman75

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hindi ubra jumper sis,laruin mu from 3.3oms to 5.6oms,

cge sis try ko rin yan bukas... ty
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Offline miel

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sir norman napanaginpan ko na ito eh diko alam kung totoo panaginip ko hehehe ang ginwa ko tinangal ko nalang ung D 468 ayun gumana na ewan kolang kung tama ung panaginip ko kc bigla akong nagising try mo baka tama panaginip ko makikita mo un kung may diagram ka sundan mo ung PF
sir itong isa kong panaginip try mo lang

Offline noman75

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^ yan din ginagawa ko ibang model sis ung d468 hinahang ko pero sa model na to nd ito available sis...
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Offline mcleod

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^ yan din ginagawa ko ibang model sis ung d468 hinahang ko pero sa model na to nd ito available sis...

bigay mo uoc or system control / chroma / deflection ic, at ako na mag - google ng datasheet ng matapos na itong problema mo! isama mo na din main regulator.
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Offline mcleod

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bigay mo uoc or system control / chroma / deflection ic, at ako na mag - google ng datasheet ng matapos na itong problema mo! isama mo na din main regulator.

sorry naibigay mo na pala. anong pin sa FBT  mo ang papunta sa fbp pin ng jungle ic QXXAVC935-M wala ako nito( AC7-A chassis schematic or service manual) tutal may schematic ka. eto na siguro hopefully ang solusyon sa path na ito.
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Offline noman75

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eto ung mapa nito sis post ko nang magamit nyo rin at matulungan nyo ako sa pag analyze... BTW subs ko na rin reg ic nito at halos lahat ng majos parts ginamit nito aside lang sa UOC ic...

http://www.4shared.com/office/uMDOywcr/sanyo_chassis_ac7-a_ct21vf1_ET.html
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Offline lenovo

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p subs nga ko dito n trobol badz,,, kaya mo yan badz ndi pala same ung mapa u sa fb

Offline J@M

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Sis tagal na pala neto ah...(QXXAVC935-M) db my number pa sa baba to (LV)series parang ganito:
QXXAVC935-M
LVxxxxxxx

tingnan mo lng..yang LVxxxxx na yan ang search mo sa data sheet
last year kc my pinalitan ako nyan P300 sa service center, ang problem wala ako nakunan ng memory kaya wala pa din AV ung TV ndi na nag save kpag set sa Smode....
xenxia na kung na post na to ndi an din ako nag back read haaaaaaba na kc hahaha..
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Offline noman75

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yup! tagal na tong nakatengga sa tabi ;) look ko muna un at seach ko kay pareng google.... mura lang pala to sa center pero balita ko nd na sila nagbebenta ng parts pag nd ka sub-ASC now sabi nung friend ko sa center...
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Offline mcleod

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sis kasama sa major parts na pinalitan mo ang vertical ic(may thermal protection pag sobra init = nagsosorbetes)? yung HOT(minsan parang barong ni ernie may biyak sa likod na di visible pag di tanggal screw at lagyan ng thermal paste / compound) mo napalitan na din ba? thanks sa share mo ang 2 napansin ko yung (IC 201 refer to page 4) pin 72 and 74 - papunta sa photocoupler; napagdiskitahan mo na bang i-check ito mga pin na ito kung saan patungo sa dako pa roon???  ;D ;D ;D
What makes you think, we owe you an answer? Ask and you shall receive... but all in the proper time.

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