Latest threads in Electronics Repairshow only best voted threads
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SMD recommendations for tip, temperature and solder alloy and width?
Title says it all. I have a few SMD repairs to do, but don't have much to start with. Don't want to have to shell out big $ just to make a few repairs. I already have one of the Ebay 60 watt...
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2 years ago
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question about expander compressor IC
Hi. I currently have access to a compressor/ expander IC: want to bypass the expander during testing. Page 3 there describes each pin function. Pin 6 is "EXP Mute." It says for "L" state, expander...
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2 years ago
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HiFi system too loud, LA4280 amplifier IC questions
I have an HiFi system SABA CT9810 (also sold as THOMSON VTM 2800/2900, CRK 1207, BRANDT MID 3000, TELEFUNKEN POWER PACK 200) where the volume control does not allow low enough volume levels, the first...
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2 years ago
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why hiss in my wireless mic system?
I know the answer might seem obvious (getting closer, checking connections, etc) but this has me stumped. I recently acquired an older 170 Mhz based Radio Shack wireless mic and receiver for an...
3
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2 years ago
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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
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2 years ago
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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
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2 years ago
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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...
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2 years ago
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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...
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2 years ago
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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...
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2 years ago
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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
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2 years ago
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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
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2 years ago
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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
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2 years ago
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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
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2 years ago
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I am trying to locate a power transformer
#94-620-01 for a Crate Amplifier.
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2 years ago
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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...
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2 years ago
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