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Author Topic: sharp primo 20v-l70m no power,no oscillation, led lit  (Read 1613 times)

Offline mcleod

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #20 on: May 14, 2012, 10:26:31 AM »
helo mga master,bagohan po sa electronics sana matulungan, may ni repair ako sharp 20v-l70m chassis
ayaw po mag power heto po condition after volt teasting,

secondary volt
b+ 135v, 7v at 11v

jungle tda9387 vcc pin 56 = 3.3v pin 61 =3.3 v

fbt secondary
no voltage

hot base voltage =zero volt

na try ko na mag load ng 100w bulb ok ang psu
tumaas konti ang secondary output
b+ 145v, 8v and 13v na sya

d ko matumbok. ano po salarin? pahelp naman po? TIA

na-check na ang HOT ?good ba? check mo main regulator mo. (resistors dito) good ba? abl resistors see markings ng fbt mo sundan mo ang copper trace (be sure di nakasaksak bago sundin ang trace!!!)
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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #20 on: May 14, 2012, 10:26:31 AM »

Offline sodz

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #21 on: May 15, 2012, 11:34:41 AM »
mga master oscilliate sya ng 1 sec tapos standby mode sya ulit

may napansin ako aalog alog ang core fbt, ano po magandang gawin ko..newbie lang po ako

nagpalit narin po ako ng vert ic stv9302a galing salvage monitor board tda8172

pero no luck parin..

If you ran you only die tired

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #21 on: May 15, 2012, 11:34:41 AM »

Offline Disabled

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #22 on: May 15, 2012, 11:48:25 AM »
^ protect na ata.

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #22 on: May 15, 2012, 11:48:25 AM »

Offline sodz

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #23 on: May 15, 2012, 12:34:46 PM »
^ protect na ata.

sis ryu, anong gagawin pag nag protect, please help
If you ran you only die tired

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #23 on: May 15, 2012, 12:34:46 PM »

Offline Disabled

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #24 on: May 15, 2012, 12:37:25 PM »

Offline ultrasonic™

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #25 on: May 15, 2012, 03:40:28 PM »

msa chassis ito tama ?

tumuon sa mga prot. ckt.
paki check mu nga ts.

R803, R804, R805, D601, D754, D7xx, D7xx   ;D
im always walking on the rain so that no one could see me crying


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Offline Disabled

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #26 on: May 15, 2012, 04:21:50 PM »
msa chassis ito tama ?

tumuon sa mga prot. ckt.
paki check mu nga ts.

R803, R804, R805, D601, D754, D7xx, D7xx   ;D
pinuntirya kaagad ;D

Offline sodz

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #27 on: May 16, 2012, 03:43:10 PM »
kapehan na

r605=82k opened at r60720ohms chaged value to 28ohms

malapit sa flyback

wooo sarap ng feeling first times ko sa tv na halos 1 buwan ko ginawa,

masaya din auntie ko ok na tv nya

sa mga nag tiyaga sa akin maraming salamat mga kapatid

marami akong natutunan, ilagay ko sana d ako marunong,sory hehe

+1 pogi points kayo lahat sa akin










If you ran you only die tired

Offline sodz

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #28 on: May 16, 2012, 05:19:57 PM »








If you ran you only die tired

Offline Disabled

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #29 on: May 16, 2012, 05:45:46 PM »
ingat sa BJ ;D

Offline Deantyne

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #30 on: May 16, 2012, 06:21:38 PM »
congrats..hehehe

Offline ultrasonic™

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #31 on: May 17, 2012, 09:53:08 AM »

di pumasok ang hula ko  ;D
im always walking on the rain so that no one could see me crying


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Offline DSM_elektronix_shop

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #32 on: May 17, 2012, 09:57:51 AM »
congrats...
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Sinal Village, Taguig city

Offline lenovo

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #33 on: May 17, 2012, 10:06:13 AM »
di pumasok ang hula ko  ;D

master mukhang malabo n bolang xtal mo,,, upgrade mo n yan
@ ts sa r607 change value at bumaba? 200 ohms to 28 ohms,,,

Offline lenovo

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #34 on: May 17, 2012, 10:09:31 AM »
e2 pogi pt u sir kz nagawa u unit 1st tym 1st pt  ;)

Offline lenovo

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #35 on: May 17, 2012, 10:12:09 AM »
msa chassis ito tama ?

tumuon sa mga prot. ckt.
paki check mu nga ts.

R803, R804, R805, D601, D754, D7xx, D7xx   ;D

GA1 chassis master kaya pala mali hula mo,,, hehee

Offline sodz

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #36 on: May 17, 2012, 10:14:19 AM »
20 ohms naging 28 ohms

no bj sya two days obsevation na

salamat mga masters
If you ran you only die tired

Offline lenovo

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #37 on: May 17, 2012, 10:16:49 AM »
20 ohms naging 28 ohms

no bj sya two days obsevation na

salamat mga masters


ay uu nga pala sori heheeh congratz sir  sodz

Offline MX45

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #38 on: May 17, 2012, 01:04:46 PM »
Congratzzzzzz..
Gawin mo ang nais mo, sundin mo ang gusto mo dahil ikaw o ang sarili mo ang hari ng yung kagustuhan...

Offline mcleod

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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #39 on: May 17, 2012, 04:02:46 PM »
congrats ts! and thank you, di ka nawala tulad ng ibang ts, pagtapos magawa meron pa nga pagkahaba - haba ng pm tapos nung magawa di nag - update!  ;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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Re: sharp primo 20v-l70m no power,no oscillation, led lit
« Reply #39 on: May 17, 2012, 04:02:46 PM »

 

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