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so here , this is the neckband i have , the power light in this bluetooth will flicker when i press switch on in the nearby extension power strip box1 Photo
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blutooth earphone power on led flickrs when switch in wall power on ! is this emp ?
i have neckband blutooth ear phone , its batter is bad , so i modded wires to it with single 18650 battery , may be its contacts are visible outside .
another thing - the on off swtich is broken , so now my blutooth is always kept on which switches itself off when nothing to connect .
before few months back , i use to hang the neckband blueth on the psu plug , when i swtich on in wall switch , the light in bluetooth use to flickr once , i dint mind it , i thought may be some loose connection .
now i keep it at table , and near a extension box for fiber modem adapter is place...
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Re: psu sata power wires thinner - does it make a difference ?
ya i jumped up and messed up , i was hurried and thought its easy as voltmeter ,oops , i checkd psu is working good , computer running ok , dono if anything happen and will show up later .
about the ammeter in multimeter , i read if anything went wrong in it , i read to see a short btween volt and amp , it shoul give some resistance , if not its a continuity , then ammeter is gone ,i did get a continuity i dont have a fuse in multimeter , the fuse section in circuit is empty . or if there is any other fuse nearby...Last edited by playit; 10-14-2023, 02:11 PM.
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Re: psu sata power wires thinner - does it make a difference ?
oh i saw and kept 10amp knob,10amp positive terminal , ground at same com port , but when i tried to touch the 12v line with my positive terminal and black to ground , i see the spark in red terminal and it feels warm to hot when i touched the red terminal of multimeter, i am afraid to do it again .
on the multimeter i see it says at amp - 10 A , unfused 10A max for 10secmax for every 15 min , no idea what are they .
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Re: psu sata power wires thinner - does it make a difference ?
ohh but i checked thier voltages , they gave right 12 v and 3.3v , umm may be they go bad when i connect to harddrive ?? i cant check the voltages while connected to hdd tho .. i am afraid of short circuit duringthat time.. damm it psu in my country is so expensive , just want a 450wats a decent one . any idea how the antec 450watts is ? its litle expensive than the other ones
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Re: psu sata power wires thinner - does it make a difference ?
"i have the voltages with multimeter shows 12 ,3.3 v , no problem , but hardrives powers well only with this thick wire extension sata power cable connector from psu power molex ."
its a cutter one , not sealed , but this connector which is a extension is not a cutter, its a sealed one ,
may i dont get it what you saying
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psu sata power wires thinner - does it make a difference ?
hello , i have a psu 450 zebronics (yes its bad crap) which used to work before with its own sata power cable ,but today its not able to power up harddrive efficiently with its own power sata cable , but when there is a connector which have a thick wire than the psu sata power cable wires - its powering up and working smooth , no problem yet .
i the voltages with multimeter shows 12 ,3.3 v , no problem , but hardrives powers well only with this thick wire sata power cable connector from psu power molex .
any explanation on this ?? thank you ,soon i am planning to buy some branded...
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Re: 450watt power supply 5v, 3.3v short to ground wire,in output rail ,connectors
thank you momaka sir for taking such immense effort to teach me .i am taking notes .sure i have learned a lot from you , i wont be putting this in my pc , just have the plans to use only the fans and dvd drive (with ground connection which i have missed at past )
i have almost checkd all the other components with help of a local region youtube video with kinda same psu ,about the power transistors and 13007, he cheked withinthe circuit showing some values around 300-500 b-e , but nothing with...
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Re: 450watt power supply 5v, 3.3v short to ground wire,in output rail ,connectors
no sir, i dont use the cpu or gpu too much intensively , its just sometimes movies and studies with youtube , then may be some movies with high resolution but i see how much cpu is running, if its more than 50-60% i try with other player or other browser to make cpu running 20-30 % .
i want to repair it , i want to fight with it, ) i will order the diode rl207 mic rectifier , i will put the input side of pics now , please tell me what else to chek so i can order other bad things too along...
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Re: 450watt power supply 5v, 3.3v short to ground wire,in output rail ,connectors
could this screw have caused the blown fuse or the psu went bad with dvd writer load ?
when i supplied only the dvd writer , it was running ok, it opened the tray and closed many times when i pressed its button , but when i put sata data cable to computer , spark blown fuse happend .
the setup is -- i power this dvd writer with the psu in discussion and my computer is running in other psu .
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Re: 450watt power supply 5v, 3.3v short to ground wire,in output rail ,connectors
i tried to plug in dvd writer and see how it goes , my pc is running in different psu , and i powered this dvd writer with this psu with out sata cable first , it ran ok, it opened all good , but when i put sata cable in dvd writer and switch on my computer the psu fuse is blown and i first dint know its a fuse , i tried it again , the spark came again at fuse site , what could be the reason for this ? all the voltages were good and stable but when i tried with sata , this happen , could it be bad...
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Re: 450watt power supply 5v, 3.3v short to ground wire,in output rail ,connectors
so coool ! wow so much of teaching , thank you so much sir and about the mod i cant get it in scraps ,possibly i only could buy them , or may be i can ask with some tv repairing guys , i doubt these thieves here will help me at all lol .
"The most common / standard arrangement back in the day of these designs was 2x 2200 uF for the 3.3V rail, 2x 2200 uF caps for the 5V rail, and either 2x 1000 uF or 1x 2200 uF for the 12V rail. Also "PI" coils (inductors with a ferrite rod...Last edited by playit; 09-03-2023, 03:10 PM.
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Re: 450watt power supply 5v, 3.3v short to ground wire,in output rail ,connectors
yes i checked it all , they are all ok , when i put a bad sata cable it burn up 5v or 12v diode in hdd pcb at the same time , the other 2 hdd was spinning and computer was on ,everything fine , but i still was afraid so took it off and checked some , then i found this beep continuity which wasnt in other psu , and hence seeking if anything is wrong , but this psu works with all the volts stable. umm not sure whats that dark area tho on primary side..
3.38v , 5v , 11.87 v in paper...
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