Latest threads in Electronics Repairshow only best voted threads
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Contact Restore
Again ... AA leaked ... Duracell (crap) too many times experienced Duracell leaking. Cleaned the contacts with a diamond tip rotary tool. Nice and clean and shiny now. But, wondering what might be a...
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7 years ago
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Source for LED backlight strips?
Looking for a reliable UK supplier for these. I don't have a part number but have the panel type number, it's in a 50" LG TV. Kenny Cargill
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7 years ago
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Weird piezo driver
This is a beeper piezo in a Fluke 117 DMM which quite beeping. Scoped the piezo?s pads and... nothing. An inverter (from the CD4069) is connected across the piezo. Guess I don?t understand anything...
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7 years ago
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Capilliary tube thermostat problem
Probably 1977 , is about right, from product numbers C26-P0606 2-77-2P Does whatever fills the tube change its character over the decades, expanding for any given temp?. Leaking I could understand...
8
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7 years ago
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8 | |
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Dell PowerConnect fan question
As anyone who owns one knows, the fans in a Dell PowerConnect 5324 network switch are horrendously noisy. Therefore, following the suggestions I see all over the 'Net, I bought a pair of Sunon fans....
11
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7 years ago
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11 | |
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Mark Bass ,CMD 102P, bass amp of 2011
Owner switched on, blue led came on as normal , but between that and 20 seconds grabbing guitar lead, had blown the mains fuse, no input, usual load. No problem in previous use, may be a drop in...
12
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7 years ago
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12 | |
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kikisui PAD-L series PSU schematics
kikisui PAD-L series PSU schematics aren't in the normal documentation, but are floating around somewhere. Anyone with a copy they'd care to share. Model PAD55-10L specifically, but the series has...
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7 years ago
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OT: Kutztown XXXV Radio Show
All: I will be leaving tomorrow morning for the XXXIV Kutztown Radio Show in Kut ztown (Berks County), PA, less than an hour from Allentown, three from NYC and two from Philadelphia. Tomorrow is...
4
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7 years ago
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STUPID QUESTION No. 5
A package from All Electronics arrives with TERMINAL BLOCKS n overlaps when time permits we're gonna clean up our wiring yeah ! Q5 is: how to label wires that is of what material n print substance ?...
18
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7 years ago
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18 | |
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Schmitt trigger problem
Consider the following circuit: < > So the service manual says the collector of Q15 should latch high when "start" is pressed, and low when "stop" is pressed. Similarly, assuming Q15 is already low,...
6
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7 years ago
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small motor "brush" material ?
Trying to keep some 1960s junk going. Uses a long thin 1.5V motor so CD motors won't fit. A failed brush/contact. Before I randomly open another CD/cassette motor to rob a brush, anyone know the what...
18
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7 years ago
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18 | |
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STUPID QUESTION No 4
why are stereo equipment fuses glass tubes in cylindrical holders, auto fuses in vinyl holders fuses set in plastic cases with 2 connecting prongs out the bottom. ?????
8
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7 years ago
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8 | |
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Leaving small devices on constantly.
Leaving small devices on constantly. I have some wireless speakers which use a wireless transmitter that is plugged into the sound output of the computer. I only actually listen to the wireless sound...
10
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7 years ago
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Cap testing question
I have a computer that won't turn on unless it is warm enough. The problem is in the power supply. If I use a blow drier to blow some warm air through the exhaust holes in the power supply for a...
24
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7 years ago
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PC Smoke Chapter 2
So, after the long discussion on smoke detectors I thought it best to start a new post hole. I opened the case and looked at the board. It is a so called military grade MSI ATX motherboard. I saw no...
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7 years ago
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