Electronics Repair

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PM 3055 scopes do not power up

Someone asked me about these oscilloscopes. Apparently he has a dozen of them that do not power up. No display or backl...
5 comments posted 17yrs
posted by sam
5 comments posted 17yrs posted by sam

casio cz-1

Hello, Does anyone have a service manual or schematic for this keyboard? I have the book for a 101, but it is substanti...
0 comments posted 17yrs
posted by stickyfox
0 comments posted 17yrs posted by stickyfox

Scott LK150

This beast is back on the bench for a cleaning and tune-up. The internal caps have been done long since, it is now abou...
2 comments posted 17yrs
posted by pfjw
2 comments posted 17yrs posted by pfjw

RCA chassis CTC187CL3 AY will not power up.

When you plug in the AC you can hear a slight high freq osc start so I think that the SMPS is OK. There were no shorts...
2 comments posted 17yrs
posted by captainvideo462002
2 comments posted 17yrs posted by captainvideo462002

CTX CHP1797/EX710F Monitor Repair TIP.

I have a color monitor CTX EX710F. If I replace 2SC5411, J449 transistors it works for about 10 minutes, then these com...
0 comments posted 17yrs
posted by torrentzhost
0 comments posted 17yrs posted by torrentzhost

Singer model 513 sewing machine problems

This machine most of the time sews fine except that on some ocaisions intermittently it will bunch up the thread undern...
6 comments posted 17yrs
posted by captainvideo462002
6 comments posted 17yrs posted by captainvideo462002

Zenith DTT-901 = FLAKY

Please note that I'm posting this simply out of frustration; I don't expect any solutions to these problems. I'm one of...
14 comments posted 17yrs
posted by nobody
14 comments posted 17yrs posted by nobody

Kenmore Microwave Oven - 2 failures in 2 years

Hi Experts, This model 721.63252 301 has gone belly up for the 2nd time in 2 years. Both times it blew there was a pop,...
49 comments posted 17yrs
posted by RF
49 comments posted 17yrs posted by RF

Faulty Samsung SR-L3626B fridge-freezer

We have had our Samsung SR-L3626B fridge for about about 6 years. It has recently developed a strange fault whereby whe...
1 comments posted 17yrs
posted by M.Joshi.51d7e18
1 comments posted 17yrs posted by M.Joshi.51d7e18

HP3478A input hybrid?

Hi all, anyone with a dead HP3478A DMM and willing to spare with the input hybrid (U102 = 1QF7-0067)? You can reply here...
0 comments posted 17yrs
posted by " "
0 comments posted 17yrs posted by " "

microwave magnetron dead?

no shorts between magnetron contacts or ground but when plugged it does not heat the oven contents and has loud hum Is...
16 comments posted 17yrs
posted by anglomont
16 comments posted 17yrs posted by anglomont

OT: Electronic coded car locks

http://www.guardian.co.uk/theguardian/2009/oct/14/cats-vegetable-patch-repel lent How many cars would I have to zap wit...
22 comments posted 17yrs
posted by diverse
22 comments posted 17yrs posted by diverse

Re: Split HEX files..

Hi "JA" I am an assembly programmer for many years. Do you mean the first byte of each byte pair (word) as "low byte"?...
1 comments posted 17yrs
posted by jaugustine
1 comments posted 17yrs posted by jaugustine