Latest threads in Electronics Repairshow only best voted threads
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M-AUDIO SCHEMATICS NEEDED
Hello colleagues. I am in neeed of schematic and service manuals for TAMPA model M-AUDIO mixer. Unit is noisy. Tradicional techniques did not work. (I.E. Contact cleaner on potentiometers, etc) Any...
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2 years ago
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Tek 465 degree-of-difficulty repair
I found a 465 at the dump with a sticker on it saying "Horizontal deflection bad". Before I even power it up I thought that I'd get opinions on how bad the problem likely is. Best case: "That happens...
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2 years ago
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I found a source of good used Zebra Strips.
I recently had to replace my Glucose meter because it could no longer hold the correct date. I ripped the old one apart, and found a nice pair of Zebra Strips in it. It was an Abbot Labs Freestyle...
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2 years ago
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Need Bose AWR1-1W schematic
This had some battery leakage and the resultant corrosion opened some fine traces on the bottom side of the board, but there are also a small handful of smd devices that were also damaged and I can't...
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2 years ago
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In Need of tone genertor/cable tracer
I need to trace some cables (phone catv, ethernet) throughout a house. An inexpensive tone generator would work but I don't have one. Any recomme ndations for an inexpensive one? or alternatives? I...
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2 years ago
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Onkyo TX-SV70 Pro Amp-Tuner - Display But No Sound
Onkyo TX-SV70 Pro Amp-Tuner - Display But No Sound The owner states that "all the buttons do something" on the front display when she presses them, but she hears no sound out of the speakers attached...
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2 years ago
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Re: Strokes and artificial sweeteners
On Friday, August 13, 2021 at 12:07:09 PM UTC-4, Michael Trew wrote in Old electronics from the 1980s does good too, sometimes. Like if someone throws out a Trash 80 or a Commodore 64. People will buy...
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2 years ago
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Motherboard replacement
I have a Powerspec B639 desktop that has a bad motherboard. Runs Win 7 Pro Seems that the video portion has gone bad and is shorting out the PS. PS resets after a brief powerdown. (not original PS,...
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2 years ago
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Battery replacement
I have a remote control car that has a dedicated control and receiver at some unknown to me frequency. Not bluetooth or wifi. It was a Christmas toy. It is a substantial car nearly 18" long. It uses a...
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2 years ago
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Sony Bravia solarized image
I'm repairing a friend's Sony Bravia (KDL-37V5500). The first minute after powering up the image is OK, but after the first minute the image gets solarized (whites go saturated, some parts become...
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2 years ago
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UPDATE: Panasonic VCR, Timer Record Issue
Hi, In early June, I posted about Panasonic PV-4800 VCR, Timer record issue (in part below). Note: I do NOT have a SM or schematic.. I decided to use this old 1988 VCR without the Timer, since I have...
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2 years ago
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power choke with 3 leads
A friend found a choke in his junk box and asked about it. I found one similar to it in mine. They are iron core chokes similar to the old tube TV power supply section would have in it. They are...
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2 years ago
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Can a 12VDC 500ma wall wart trickle charge a car battery?
Can a 12VDC 500ma wall wart trickle charge a car battery or must the voltage to charge a car battery be greater than 12VDC (like 14 or 15 volts?). Can a well regulated 12VDC still charge (over a long...
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2 years ago
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Sony Carousel CD Changer Recognizes Discs only in #1 Tray!
Make: Sony Year of Mfg: 2000 Model: CDP-CE375 Issue: Does not read CDs in trays #2-5, but does read them in tray #1. If a CD is also in tray 2 or higher, the player pauses, for at least 8-10 sec.,...
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2 years ago
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Need VOLT - AMP - WATT convert software
Yep there are a million websites to do it. But i dont have internet in my shop. I dont have a smartphone either so forget the apps. And i dont care to do math. I just want a simple piece of free...
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2 years ago
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