STRS6707 modify

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STRS6707 modify

Post by Electro on Fri May 20, 2016 2:34 pm

mga master lalo na sayo master ultrasonic. paturo sana ako ulit dun paano operahan iyong strs6707. shorted kasi ang pin1 hanggang 3. nakalimutan ko na kasi. sa kasamaang palad naubusan pa ng regulator ang times. Kaya kailangang kailangan ko. salamat

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Re: STRS6707 modify

Post by alvinquimbo on Fri May 20, 2016 8:48 pm

wala ba yang replacement sis??mukhang may spare ako nyan,try ko check bukas...

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Re: STRS6707 modify

Post by Electro on Sun May 22, 2016 3:17 pm

Ok na po ito mga master. pinuntahan ako kanina ni master. Ayos na. na Solve pa ang dalawang LCD nakatingga.

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Re: STRS6707 modify

Post by alvinquimbo on Sun May 22, 2016 6:48 pm

congrats sayo sis electro..paturo naman yung pagmodify sis..☺☺☺

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Re: STRS6707 modify

Post by sherlanmamaril on Sun May 22, 2016 8:07 pm

ilalabas mo lang tranny master , yung pin 1 2 3 and 3 i cut , b c e lang kasi yun saka kukuha ng nd ko alam anung tranny i wire lang po sa paa ng board and tapos na po Smile

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Re: STRS6707 modify

Post by ultrasonic™ on Mon May 23, 2016 5:16 pm

tama si Sis Sherlan... lagay lang ng external tranny sa labas as serve as a Regulator.. 
yung pin1 at pin 3 lang ang e cut niyo... iwan ang pin2 nakaconnect pa rin sa mainboard/chassis board kasi yan ang internal common ground ng STRS



then rewire nlng according sa pin config ng tranny gagamitin.. 

para hindi mawala kayo sa pag operaha ay sundan niyo lang ang mga nasa larawan..

ito ang internal & pin config ng STR-SX70X as your guide

ito naman ang Actual pic config niya  ^_^

Note: lahat ng nakaviolent pin ay iwan nakaconnect din sa board

ito naman ang Actual Footage ng finish surgery ^_^


ito naman ang successful bypass kasi my standby at Power na ^_^ 




About naman sa Tranny na ilalagay kahit anong Tranny ang ilagay niyo bastat NPN lang ay gagana yan... pero syempre piliin niyo yung mga common na QReg na gnagamit sa TV
 like: C2498, C5038, C3552, C4429, C4458, D1884, D5299, & etc.. pati nga ang Qreg ng mga China board ay swak dyan....  ^_^ 

ang process ng Modification na ito ay gaya din ng pag ooperaha natin sa mga STK73907 or IX1791CE
ang pinagkaiba lang ay NPN tranny ito at FET or MOSFET naman yung sa mga IX at STK...

kung may extra naman kayong STRS na ok ang internal tranny pero sira naman ang voltage regulation niya like low B+ or high B+ o minsan naman ay Palyado.. nag O auto shutdown & etc... ay pwede niyong din yung gamitin gaya nito  ^_^


images courtesy nga pala ay internet laman lalo na ky Abdi Gunawan

@Jeff Sori medjo napaaga ako kahapon hehehehe umiiwas lang akong malate at mag complicate ang sched ko... 
post na rin natin dito para mas marami matoto..

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Re: STRS6707 modify

Post by sherlanmamaril on Tue May 24, 2016 2:04 am

Grabeng remedyu yun ah , master ung ic 1791 reg San ang gate drain source pin po nya, sa data sheet kc nd ko alam mag identify gaming nmn , tumatagal nmn yang remefyo style po,,?

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Re: STRS6707 modify

Post by Hertz on Tue May 24, 2016 4:00 pm

kong ako tatanungin, tatagal yan. gawain yan ng mga vetiran tech. gaya ng isa dyan sa itaas. lol!


Sherlan. ito ang pin arrangement ng ix1791ce o stk73907
pin3=Gate, pin8 & 9=Source, pin11 & 12=Drain



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Re: STRS6707 modify

Post by sherlanmamaril on Tue May 24, 2016 10:29 pm

Salamat po dito master , may diagram ako ng mga cinemabirg nd naman nakalabel kasi

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Re: STRS6707 modify

Post by sherlanmamaril on Tue May 24, 2016 10:29 pm

Salamat po dito master , may diagram ako ng mga cinemabirg nd naman nakalabel kasi

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Re: STRS6707 modify

Post by alvinquimbo on Fri May 27, 2016 6:19 pm

Salamat nito sir ultra,dagdagan kaalaman nanaman ito..pwede pala ang ganyan kapag kelangan ang modification..=)

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Re: STRS6707 modify

Post by Electro on Sat May 28, 2016 10:07 pm

Andito na pala. Nilabas na pala nina master. +1 po. naguhit ko na rin ito sa notes ko. salamat po talaga. magagamit namin ito sa susunod

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Re: STRS6707 modify

Post by sherlanmamaril on Sun May 29, 2016 9:15 pm

may tanung po ako kung halimbawa gaya ng strf6654 series ,
matetest ba ito kung shorted or open ang fet or transistor nya?
1feedback
2source
3drain
4supply
5drain
wala kasi tong base or gate po nd gaya sa str6707 ,

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Re: STRS6707 modify

Post by Oscar on Mon May 30, 2016 10:37 pm

ST8812FX pwede ding gamitin dyan

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Re: STRS6707 modify

Post by Hertz on Thu Jun 09, 2016 11:32 pm

sherlan iba na ang internal circuit ng STRF6600



madalas mag short dyan ang pin2/source at pin3/Drain

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Re: STRS6707 modify

Post by sherlanmamaril on Tue Jun 14, 2016 12:11 pm

Tnx masters

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Re: STRS6707 modify

Post by Hertz on Thu Jun 16, 2016 1:54 pm

welcome

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Re: STRS6707 modify

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