im wondering in your own expereince as a designer or technician what is the best mcu barand for you.....i hear to other arm is best,intel nvdiea etc..
my commonly failure in my experince in car stereo mcu processor toshiba brand get failed easily i dont know i think it is only imitation so im looking for best brand....are mtk brand okey or i will go for st brand..
sample mcu
ST STM8S207R8T6 vs
Panasonic MN101EF51A
i need help any idea pls...
xxxvirus1987xxx
unlegendary
Last Activity: 09-26-2014, 10:32 PM
Joined: 09-09-2014
Location: camarines sur.
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mtk and panassonic vs st brand mcu?
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Re: Weird problem after changing the southbridge on a Acer
you can check it by initial check up..touch every components it most run in low temperature..
2nd check every voltages if thier is a problem....?
try to reset bios.. -
Re: MBX-235 cannot shutdown
are the power button working normal...maybe shorted micro switch....
try to clean the buttons and some cables etc....Leave a comment:
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Re: Sony 7182M no power at all
can u check the resistance between of pu11 of pin 19 to 21 with respect to ground..
u can isolate load to check if the vcc of pin 19 and 20 are exact 3.3 and 5volts....if unloaded then u get 3.3 and 5votls the prolem is pu11 or some components connected to pu11.
waitng for others to help..Leave a comment:
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Re: Sony 7182M no power at all
the pu11 is the system Ic the voltage are comming frorm pq24 and pq25 if have 5 volts and 3.3v meanign the power section is good..check backward for some other components problems..
waht is your reading at pq24 and 24 all pins pls post...Last edited by xxxvirus1987xxx; 09-20-2014, 02:52 AM.Leave a comment:
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Re: neo m540ss
lcr meter is to much expensive i have only esr meter analog diy...but i try your suggestion bro..Leave a comment:
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Re: neo m540ss
okey tanx for the reply ill try
how will i know if those caps are same capacitance value...or voltage what are the symptoms or effect if i used not same value..Leave a comment:
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neo m540ss
i need help the mc17 capacitors brown color i need schematic diagram because the some capacitors are rustly i need to replace it but i dont know waht is the specific value...
serial # NK540SSC8F00118Last edited by xxxvirus1987xxx; 09-19-2014, 09:34 PM. -
Re: Alpine mrx-v60 no sound output
check firts vcc or the rail voltage are the voltage are present..
check power tranny or powe transistor...
check resistors diode etc..Leave a comment:
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Re: Buzzing guitar amp
check defectives capacitors commonly electrolytic caps..
replace the volume master or check it by multimeter if it is good
check loose solder...Leave a comment:
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k8m800-m2 version 2
im looking for ecs mother board scematic diagram or sevice manual
pls help me..
k8m800-m2 version 2
i dont konw where to post it sorry moderator pls transfer if posible for the rigth thread..
reason:the mother board never response any more im already reset cables,bios chip replace,etc..i want to repair this mobo..Last edited by xxxvirus1987xxx; 09-17-2014, 12:05 AM. -
Re: bad bios flash
u need a correct bios set up for that...reflash again using a corrent bios firmware for that.Leave a comment:
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Re: sony vaio vpcse13fx not powering on
revesion of bios chip....
try to reset bios....
hang the cmos pin for a few seconds then try to power again...Leave a comment:
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Re: Toshiba C660 PWWAA_LA6841 hot mosfet
are u already replace the 4466?bettert to replace that caps then touch the mosfet for a few seconds.....if the mosfet run col fixed it...or trace the ouptut of the mosfet where is goes maybe their are heavy load causing the mosfet burn again..Last edited by xxxvirus1987xxx; 09-15-2014, 03:04 AM.Leave a comment:
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Re: power ccfl backlight from mains 240v AC?
their are only twoo reason for that
iether bad inverter section.
or cfl or backlight problem activating the protect sytem to shutdow yung tv unit...
bypassing the controller for inverter sometime dangerous to other components....
test all the cfl if it is working fine....use cfl tester improvise etc..
to confirm if the cfl are realy bad or not....gud luck..
also try this......
[url]https://www.badcaps.net/forum/showthread.php?t=10419[/url]Re: power ccfl backlight from mains 240v AC?
Last edited by xxxvirus1987xxx; 09-14-2014, 10:40 PM.Leave a comment:
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Re: Dell xps m140 (pp19L)
dont ignore bad capacitors better to replace it with a new one....
also cold solder...Leave a comment:
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Re: HTC One M7 Mainboard
just clean it using 99% alcohol or lacquer thinner to see it clearly...
then just scratch the the green layer you can do it..Leave a comment:
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Re: toshiba satellite c660d-13h no power problem
i agrre to mabroukmedal you need to reheat again the video chips maybe their is a lose connection or short you must inusure it @ 100% good contact before you start trouble shooting....the mobo.Leave a comment:
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Re: toshiba satellite c660d-13h no power problem
if the mosfet has three legs it is very easy...
find firts the pin
gate
source
drain
Connect the 'Source' of the MosFet to the meter's negative (-) lead.
1) Hold the MosFet by the case or the tab but don't touch the metal parts of the test probes with any of the other MosFet's terminals until needed.
2) First, touch the meter positive lead onto the MosFet's 'Gate'.
3) Now move the positive probe to the 'Drain'. You should get a 'low' reading. The MosFet's...Leave a comment:
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Re: acer aspire 4752 JE40 HR MB 10267-4 no power
for me to be fast in trouble shooting replace the power ic then check again....
the voltage....Leave a comment:
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