Latest threads in Electronics Repairshow only best voted threads

Subject Author Posted Replies
 
Returning to that Scope SMPS Problem...
Hi again, I know I said I was going to mothball this scope for the time being, but I keep thinking of new things to try and just can't leave the damn thing alone. It struck me I ought to next check...
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Baby Monitors. Yep.
I've a client that needs something like an expandable Baby Monitor system. Like one base station and ten "parent units". It appears that they are on ly made with one base and maximum of 2 parent units...
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8
 
plug print related to ground ?
male plug print eg on a Verizon mifi receiver charging cable reads Model number xxxx I cccc I DO NOT EAT BBZZZZZZZZZZZZAAAPP IF THE FEMALE PLUG HAS A GROUND PIN how insert male plug ? print start at...
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1
 
LED Christmas lights have a series lump, what is it for?
I have noticed that about half of the LED Christmas light strings have a "l ump" about 1.5 inches long and 1/2 inch diameter in series with the lights, which have polarized sockets. I assume that it...
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push pull transistor pairs
Hello, Is there anywhere a list of generic transistor/darlington for AF push pull output stages from eg 10 W to 100 W in the different configurations. I have to repair some amplifier but do not find...
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Power adapter for Hercules speaker system DOA.
I was given a Hercules XPS 2.140 Slim speaker system. The owner purchased it new from Amazon and it never worked. It sat around longer than the return period so I inherited it. The problem is that the...
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CPU fan has become noisy, but a problem....
The problem is that I can't seem to remove it and also, after seeking out websites suggesting lubrication a small hole, which I don't seem to have, I am unable to lub it. The way the fan is attached...
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10
 
Project 165
Hi, a few weeks ago, the issue of output valve matching was raised by NG regula r Trevor Wilson in a post relating to the Peavey Classic 60. In a subsequent post he mentioned the AVO VCM163 - the last...
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Where you electronic waste goes
must see video bob
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3
 
Ev SX300 speaker problem
In for a horn problem, but also loose bits inside rattling around. These are 2 coppery looking monkey metal flanges from the speaker bolt "hank" bush/anchors into the plastic. They seem non...
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Pad-lifting
Hi all, Anyone got any tips on how to avoid the unpleasant situation where you try to de-solder a part on an elderly board and end up removing more than just component leads? Most of the stuff I work...
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37
 
Tektronix 2215A B Delay Time Position not working
Hi: Am trying to fix a Tek 2215A with the delayed sweep not functioning properly. I am able to see both A and B sweeps but am unable to use the B Time delay position. Anyone have an idea? Thanks
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OT: Audio:Free to Good Home - but with Two (2) "Catches"
First, the Stuff: Pioneer SX780 Receiver: Turns on and tunes for perhaps 20 seconds, not all the time and passes no sound. Complete, cosmetics are fair, no visible damage. My SWAG is power-supply...
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5
 
I have a Robbins Myers motor serial #MM30358 Type KL need wiring diagram
3/4 HP Frame M560
 
Vivitar 283 repair?
I have some Vivitar 283 flashes I used several years back in lower power mode for a special application (I swapped out the thyristor for a circuit that allowed 1/16th power). The flashes were...
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