Search found 246 matches

by Nandika
Fri Oct 28, 2011 5:24 pm
Forum: Electronics & Electrical Engineering
Topic: UPS Circuit Diagraam
Replies: 8
Views: 6500

Re: UPS Circuit Diagraam

thanx Neo
Your ideas and details are very important.
I'm trying to create new UPS circuit.
It has Overcharge protector,Voltage monitor,...
Has any problem that UPS battery is motorcycle battery or other led acid battery?
by Nandika
Fri Oct 28, 2011 5:14 pm
Forum: ???????? ?????
Topic: my pc over heating
Replies: 35
Views: 34826

Re: my pc over heating

mamanam vadiya danne na, eth maget oya problem eka avilla thiyenava mama avelawe kare CPU fan eka galawala heatsink compound(oyala kiyana thermo past) tikak dala hi karapu eka eeta passe hari giya.samaharavita fan eka hariyata set wenne nathuwa athi.computer aka aka avye thiyenne eka eka system fan ...
by Nandika
Mon Oct 24, 2011 3:47 pm
Forum: Electronics & Electrical Engineering
Topic: UPS Circuit Diagraam
Replies: 8
Views: 6500

Re: UPS Circuit Diagraam

Yes i think it is full analog.but i can't understand about OP Amps(I know something about OP Amps,my ups has LM339 IC.it has 4 op amps) in UPS. If you can send OP Amps activity in UPS,It useful for me. I am trying to understand UPS system. i have several UPS transformers.I will think my own circuit ...
by Nandika
Mon Oct 24, 2011 3:41 pm
Forum: Electronics & Electrical Engineering
Topic: UPS Circuit Diagraam
Replies: 8
Views: 6500

Re: UPS Circuit Diagraam

Rksk wrote:If its a full analog circuit, you may can repair it without a circuit diagram.
Yes i think it is full analog.but i can't understand about OP Amps in UPS.
If you can send OP Amps activity in UPS,It useful for me.
I am trying to understand UPS system.
by Nandika
Fri Oct 21, 2011 3:08 pm
Forum: Electronics & Electrical Engineering
Topic: Setting up a home made internal speaker system to pc
Replies: 9
Views: 7103

Re: Setting up a home made internal speaker system to pc

you can try to solve this,
1.Use 10,000pF(104) capacitor between + and GND.
2.Earth your PC well.
3.you can plug off your PSU's fan.(This is not good)
4.use 104 between fan terminals.
by Nandika
Fri Oct 21, 2011 2:57 pm
Forum: Electronics & Electrical Engineering
Topic: UPS Circuit Diagraam
Replies: 8
Views: 6500

UPS Circuit Diagraam

I want a any UPS Circuit diagram.
I Think all UPS have same circuit.
My UPS is 650 VA ,brand name is "SNT"."EMERSON" circuit same it.
Thank

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