Latest threads in Electronics Repairshow only best voted threads
| Subject | Author | Posted | Replies | |
|---|---|---|---|---|
|
|
OT - UV setting Resin question
Anyone happen to really know about this stuff? I baught my example from ebay: its epoxy resin in the ad. and it sets (hot) hard almost instantly with strong UV, quite useful but its not epoxy and...
9
|
2 years ago
|
9 | |
|
|
Fluke 177 case cracking
Anyone having an issue with Fluke cases getting brittle? I have a 177 that had the battery cover crack in the screw boss area, and the other side won't hold a screw as the inside post is cracked. The...
11
|
2 years ago
|
11 | |
|
|
crystal replacement alternative in wireless mic?
I recently pick up a Radio Shack wireless mic at Goodwill for $1. I could hear something in the receiver ratting, so I figured it wouldn't work. I was right. It turns out that the receiver has two...
12
|
2 years ago
|
12 | |
|
|
want to replace electret mic with one of these
I have a small transmitter that I use for monitoring my property. It has a sensitive electret mic that feeds the transmitter, but the problem was that it does not have AGC, which is desired due to...
2
|
2 years ago
|
2 | |
|
|
Difference between Sony Vaio PCG-71312L and PCG-71312M.
Hi, I want to find replacements for the keyboard and HDD caddy (tray) in a Vaio PCG-71312L. eBay lists a caddy for a PCG-71312M. Can anyone tell me how models PCG-71312L and PCG-71312M differ? Same...
4
|
2 years ago
|
4 | |
|
|
suggestions for setting up a dosimeter charging system
I am in the process of trying to set up a reliable dosimeter charger system for a relative. The type of dosimeter I'm speaking of are the pen looking devices that are zeroed after exposure to...
17
|
2 years ago
|
17 | |
|
|
Screw size for MacBook Pro
I'm trying to disassemble a MacBook Pro, model number A1989, to remove the hard drive. The screwdrivers I have do not mach the shape or size of the bottom panel case screws. I believe the screws are...
12
|
2 years ago
|
12 | |
|
|
surface mount (guitar amp hisses) question
I've got a Stagg 10 GA 10W RMS Guitar Amp, it has a serious hiss that comes and goes even with nothing plugged into it. So far I can't find a schematic for it, asked Stagg for one but no reply yet. I...
6
|
2 years ago
|
6 | |
|
|
watt meters
I want a watt meter, but the prices are all over the place. Some are too cheap to be good. The one that Big Clive uses is nice but maybe more expensive than necessary to get basic accuracy and...
16
|
2 years ago
|
16 | |
|
|
I am trying to locate a power transformer
#94-620-01 for a Crate Amplifier.
1
|
2 years ago
|
1 | |
|
|
audio muting circuit at certain threshold?
Quick question for what I hope might be a simple circuit. I just set up an ultra sensitive electret mic to monitor some bird activity near my residence. There was no AGC used, so when a jet flys...
2
|
2 years ago
|
2 | |
|
|
Yamaha CDC-E250 problem.
I cleaned and lubed a functional cd changer. After I was done, the number 2 disc tray won't retract. I stopped being an authorized. Yamaha tech 2 years before this model was sold and I'm having...
5
|
2 years ago
|
5 | |
|
|
does overcharging _lithium_ batteries release _hydrogen_?
My first thought is nope, but... [NY Post] Number of fatalities from NYC fires jumped 16 percent in 2021, data shows .... The FDNY noted that four of the fire deaths in 2021 - including one in the...
5
|
2 years ago
|
5 | |
|
|
7805 regulator source?
The 7805 in one of my regulated supplies has failed. I was just going to order one of the cheapest ones off of eBay. Most likely, this would be a Chinese clone. Might this be a problem down the road,...
23
|
2 years ago
|
23 | |
|
|
Swollen battery in Samsung Tablet
I have a Samsung 12.2 inch tablet SM-P900. When not in use I keep my tablets standing vertically in a bookshelf. The other day I noticed the screen of the tablet had separated from the tablet. After...
3
|
2 years ago
|
3 |