Electronics Repair

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Realistic STA 740

Hi, I am from Poland. I am looking for a realistic sta 740 amplifier diagram. Please contact me.
4 comments posted 3yrs
posted by kajzerek90
4 comments posted 3yrs posted by kajzerek90

Component idenification

Gentlemen, Having put together a dim bulb tester for current-limiting purposes and fired up the faulty 'scope, this com...
21 comments posted 3yrs
posted by cd
21 comments posted 3yrs posted by cd

Samles SSW2000 inverter early limit

I've got an SSW2000 repair that seems to be turning into a science project. The customer bought it cheap off Kijiji. It...
4 comments posted 3yrs
posted by legg
4 comments posted 3yrs posted by legg

Sony TCD-D3: compatibility question

I am trying to find out if a TCD-D3 with a charger for the European market, a ACP-D30, will be compatible with a charge...
1 comments posted 3yrs
posted by suyguyone
1 comments posted 3yrs posted by suyguyone

Scope keeps blowing fuses

Hi all, So my main analogue scope, a Tek 2465A, has gone faulty. Keeps blowing main fuses (the 2A one on the rear panel...
58 comments posted 4yrs
posted by cd
58 comments posted 4yrs posted by cd

Radio Shack Weather Cube

Bought one in excellent shape. Worked great for about a month, then developed a buzzing background noise in the audio -...
6 comments posted 4yrs
posted by john_crane_59
6 comments posted 4yrs posted by john_crane_59

Re: Help: Toshiba VCR-No owners manual M-6550

???????, 26 ????? 2002 ?. ? 15:45:11 UTC+3, Tim Schwartz: Can you give me foto DX-900 service manual?
2 comments posted 4yrs
posted by maks.mksoft
2 comments posted 4yrs posted by maks.mksoft

Winfing a High Ratio Transformer

Sorry using GG, I have newsreader problem after updating Thunderbird, I haven't solved yet. In a thread about a low imp...
0 comments posted 4yrs
posted by amd...
0 comments posted 4yrs posted by amd...

Fiber brush for circuit boards

Chemtronics makes a flux remover that comes with a small brush that attaches to the can for spot application and cleani...
8 comments posted 4yrs
posted by ohg...
8 comments posted 4yrs posted by ohg...

Fluke schematics/service manual

I have a chance to buy a Fluke 289 "as-is" for a hundred bucks U.S., but before I buy it, wonder if a schematic is avai...
0 comments posted 4yrs
posted by ohg...
0 comments posted 4yrs posted by ohg...

Coincidence or did I fix this battery charger?

My neighbor asked me to look at the battery charger for her leaf blower. It was dead, no lights came on and the battery...
2 comments posted 4yrs
posted by timothy42bach
2 comments posted 4yrs posted by timothy42bach

Meyer Sound 833 problem

I have a Meyer Sound 833 control unit on my bench. It has a weird fault that appears to centre around a 15kHz oscillati...
8 comments posted 4yrs
posted by trevor
8 comments posted 4yrs posted by trevor

Re: Yamaha Clavinova w/Rumbling Sound

I have the same problem on a C 430. I’ll be playing either quiet or loud and then a hear A rumbling noise that kind of...
4 comments posted 4yrs
posted by joej1959
4 comments posted 4yrs posted by joej1959