Latest threads in Electronics Repairshow only best voted threads
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SANSUI AU-D55X protection Light
I have a Sansui AU-D55X amplifier which when pressing POWER-ON shows a RED Flashing light labelled Protection. The light will flash aprox 10 times in 5 seconds before the speakers are switched on and...
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13 years ago
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Sony SDM-HS74P 17" TFT 'two seconds to black'
Hello, I cam across the following posting while trouble shooting the same problem with the same monitor: The raster comes on for about 2 seconds and then goes black. I don't have the equipment to ESR...
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13 years ago
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IC-28A transmit section carnage
I have an Icom IC-28A I picked up cheap, with a warning that it only worked on receive. Sure enough, the receiver works brilliantly but there's almost no power output on transmit. (The needle on my...
27
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13 years ago
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27 | |
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Mitsubishi TV vertical hold
Hello, Mitsubishi TV Model CS-27403C over 10 years old Problem: When TV is first turned on there is no vertical sync. As it warms up sync gradually returns. Initially the problem was minor since the...
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13 years ago
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9 | |
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HP 8640b replacement combination gears are available on E-bay
A new lot of the famous HP 8640B "plastic gears" clones is available on Ebay. Item no: 320527241400. Thank you. Emanuele (IW1DHI).
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13 years ago
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Balun for DB4
I want to install a DB4 antenna on my chimney in an attempt to dump my cable provider (I don't watch too much anyway). But I am concerned about the durability of baluns in the weather. They seem...
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13 years ago
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Equivalent for BUY69B transistor?
I'm trying to repair an ultrasonic cleaning tank and one of the power transistors has gone. It's a BUY69B, now long obsolete. Can anyone recommend an equivalent? I'm assuming it's a high voltage, high...
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13 years ago
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making a Bridge Rectifier from Diodes ?
I need to have a Bridge Rectifier 250V 40a ..... unfortunately there is no such thing available as far as Google can see Can anyone tell me what size Diodes that would work ? I am just a hobbyiost and...
12
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13 years ago
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12 | |
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NOISY Whirlpool Dehumidifier
Hi, I bought a Whirlpool model AD50DSS2 dehumidifier. It is a very NOISY (vibration noise) dehumidifier! A service man came. He thought he fixed it, but later the NOISE was back. The dehumidifier's...
7
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13 years ago
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Overlay designations & miscellanea
I thought I'd messed up the USB lead of my HP 1020 laserjet , measuring voltages etc, trying to learn about USB function. Turned out I must have strained a USB A to B adaptor and nothing wrong with...
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13 years ago
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Signal conflict?
What should I do about signal conflict (overload?) between two sources, both on co-axial cable? Is there an easy way to weaken a tv signal in a co-axial cable? I have two inputs to my maybe 10-year...
9
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13 years ago
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Krohn-Hite 4100A
Hi, Any one out there got a service manual or at least a schematic for the Krohn-Hite 4100A push button oscillator? Remove "_spamNo" if you want to contact me off group TIA JC
3
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13 years ago
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Color changing LEDs
I keep seeing these little solar power sidewalk lights. Last year they were all white (blueish white). Lately I see them where they change color. Yet, they only have one LED. How can a LED change...
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13 years ago
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Task Light just Flickers
I have a Luxo asymmetrical task light which takes an 18 watt bulb, which is starting to give me trouble. Most of the time it will just flicker as if it is trying to come on, but sometimes it will...
17
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13 years ago
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Source for replacement rotary encoder?
DaveC schrieb: Yes, EBE is the manufacturer, the address is 70771 Leinfelden-Echterdingen Stetten (this is near Stuttgart, the number being the postal code of Leinfelden-Echterdingen). Their website...
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13 years ago
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