Latest threads in Electronics Repairshow only best voted threads
Subject | Author | Posted | Replies | |
---|---|---|---|---|
|
Over-voltage protection
Hi all, I have a Yaesu FT857 transceiver which requires a nominal supply of 13.8VDC. I accidentally fed it with 30VDC and something went 'phut' after about 60 seconds and there was a whisp of smoke....
2
|
1 year ago
|
2 | |
|
underdocumented parts
Just got back function of my nice old Kenwood stereo (lovely addition to a television/DVD/BD setup, the sound is excellent). During snow season, with power flickering, it... got very odd. Powered up,...
—
|
1 year ago
|
— | |
|
Toshiba 32" TV suddenly left with no audio or video
Hello there. I was just watching a TV show, when, suddenly, the TV image turned itself off but audio was working fine. Some minutes after that audio stopped to work too. I tried to turn it on as I...
10
|
1 year ago
|
10 | |
|
CHarge vs use battery
How do you use diodes and capapcitors to switch a 4v power supply so it continuously charges a battery when not being used. I have an hp2621a terminal which had a battery to keep nonvolatile settings...
4
|
1 year ago
|
4 | |
|
Re: Rank Arena TV - problems
Hi, everyone, I know this is somewhat of a late entry, however I've just managed to pick up one of these Rank Arena c-2634 AutoColour models for restoration - AND SAVING SOME AUSTRALIA'S manufacturing...
2
|
1 year ago
|
2 | |
|
Sealed pot crackling and scratchy: Perfect fix---
My existing Fosi volume pot crackling and scratchy: If any of your equipment has this 's a wiper in sealed pots that gets a build-up of oxidation over time. Exorcising it will clean the oxidation...
—
|
1 year ago
|
— | |
|
Canon OCE Plotwave 300 service manual? Right To Repair!
Has anyone seen a printed/PDF copy of the service manual for the OCE scanner/printers? Extensive online hunting turns up nothing other than ads for buying said scanner/printer...(or I missed it!) My...
—
|
1 year ago
|
— | |
|
Re: Downloading Sony manuals.
A full archive (220GB as of 2021) is here: Full dump is here: docs.sony.com 2021 gathering.zip docs.sony.com 2021 gathering.zip
2
|
1 year ago
|
2 | |
|
ghosts? take over devices?
-- Thanks to Hunt A Killer for sponsoring today's video. Go to https://bit.ly/HAK_SLAPPED and use code: slapped for $10 off your order! From terrifying footage of possible poltergeist activity in a...
—
|
1 year ago
|
— | |
|
Advice sought: Diagnosing & Repair of Samsung LN52A650A1FXZA LCD TV
This TV is showing all the signs of a TCON or TAB failure. The RHS of the screen exhibits a combination of various issues: ghosting images, duplicated images, solarized sections on the screen, what...
—
|
1 year ago
|
— | |
|
HP2621A nonvol backup battery
Looking to identify the 4v battery used to backup settings on 1980 HP2621A CRT video display terminal. I can't find the battery type online. Seems all the manuals are truncated at chapter 5. It is...
6
|
1 year ago
|
6 | |
|
Raspberry Pi - msdosgeneric
I wonder if I get an rs232-usb connector, and port the .SYS terminal driver (I recoded in assembler but in 1985), I should be able to get a razpie to run. Question how I would network if it is MSDOS....
2
|
1 year ago
|
2 | |
|
self-charging backup battery
I have a 1980 device (HP2621a terminal) with a now discontinued battery which retained settings while off. I am wondering if there isn't ome sort of continuously recharging (when on) battery that...
4
|
1 year ago
|
4 | |
|
Philips PM 2518 meter calibration
Does anyone have the Calibration Manual (not the User Manual) for a Philips PM2518 multimeter? There is a way of calibrating it manually without connecting it to a computer, but I only have partial...
2
|
1 year ago
|
2 | |
|
Re: What about this Bondstec Microwave Oven BT - 612MW
time for another followup! my bondstec is the BT-101MW! granpa nukey
—
|
1 year ago
|
— |