Electronics Repair

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pwm current mode driver replacement

Can you replace bad ob2269(SMPS not clicking any longer and chip has about 1 V on pin 3(VIN) although in front of it th...
0 comments posted 15yrs
posted by tehit1
0 comments posted 15yrs posted by tehit1

N222 partial compliance

Using PbF solder throughout , but some components are pre-RoHS old stock, so with leaded tinning, would that be an N222...
2 comments posted 15yrs
posted by diverse
2 comments posted 15yrs posted by diverse

tls1207?

what is it might some kind of pwm driver but voltage or current mode in tandem with lm393 tnx
2 comments posted 15yrs
posted by anglomont
2 comments posted 15yrs posted by anglomont

Intels 1 billion mistake

http://mbtmag.com/Content.aspx?id=1937 bob
9 comments posted 15yrs
posted by sound
9 comments posted 15yrs posted by sound

sony cassette belt kits

I have 2 tape decks,tcw e635 and a tcwr 545,can any body tell me where I can buy belt kits snipped-for-privacy@tampa.rr...
1 comments posted 15yrs
posted by gnarejo1
1 comments posted 15yrs posted by gnarejo1

motherboard pwr_on pins resistance?

What you should get between those pins of a good PC mobo when you test with ohm-meter
20 comments posted 15yrs
posted by anglomont
20 comments posted 15yrs posted by anglomont

Sony date coding?

Overlay white print on pcb . 4 squares then numeral 2 In the squares are domino-like dots , as 2,4,4,0 44th week of 200...
0 comments posted 15yrs
posted by diverse
0 comments posted 15yrs posted by diverse

surges slowly destroying

Question at ====> line: http://www.squidoo.com/small-led-light-surge-protector Small LED Light As Indicator In A Surge...
12 comments posted 15yrs
posted by NOPSAMmm2005
12 comments posted 15yrs posted by NOPSAMmm2005

possible problem with Sony flat-face WEGA

I'm posting this to see if anyone /knows/ the answer, or has a reasonable suspicion. I do not want to initiate an inter...
13 comments posted 15yrs
posted by grizzledgeezer
13 comments posted 15yrs posted by grizzledgeezer

Magnavox TB100 STB shuts off

Anyone successfully work on these cheap DTV converter boxes? I got a Magnavox TB100. It powers up and displays the TV c...
0 comments posted 15yrs
posted by sound
0 comments posted 15yrs posted by sound

CRT Monitor Philips black screen when cold

Hallo! My CRT monitor, Philips 109B, has black screen after 2 seconds when it is cold: the picture becomes bigger and f...
11 comments posted 15yrs
posted by slkjdskd
11 comments posted 15yrs posted by slkjdskd

possibly OT: players reject region 0 DVD

One of my recent SACD purchases included a bonus region 0 "making of" DVD. A Sony BD player and DVD player both rejecte...
7 comments posted 15yrs
posted by grizzledgeezer
7 comments posted 15yrs posted by grizzledgeezer