c/electronics-repairers

Fixed a game console at a garage sale and got a surprise tip

I was at a neighborhood garage sale over on Maple Street last Saturday and saw an old Xbox One just sitting there with a 'broken' sign for $10. The lady said it wouldn't turn on at all. I figured it might just be a dead power supply or a loose internal cable, so I bought it on a whim. Got it home, cracked it open, and found a swollen capacitor on the motherboard that was causing a short. I replaced it with a spare from my parts bin, and the thing fired right up like new. I took it back to her house to show her it worked and she insisted on giving me $40 for my trouble. Now I'm thinking about hitting up more garage sales for broken electronics. Has anyone else found gold like that at a random sale?

Spent 3 hours trying to fix a power supply I could have replaced for $15

Last weekend I picked up an old Sony CD player from a thrift store for $5. Figured it would be a quick fix, just needed a new power supply. So I spent my whole Saturday afternoon tracing caps and testing transistors on the board. Multimeter out, desoldering wick everywhere, the whole deal. After 3 hours I realized the transformer itself was shot, and those old Sony ones are impossible to find. Then I checked online and a universal 9V power supply was $15 with next day shipping. So I wasted a whole afternoon and $5 on a player I can't even use now. Anyone else ever get stubborn about fixing something that was cheaper to just replace?

Question about the magic of flux on a 20 year old circuit board

I saw a corroded DVD player motherboard go from completely dead to running discs again after I hit it with fresh flux and reflowed the main chip, but has anyone else had a fix hold for more than 6 months after doing that?

Had a customer last week tell me I was heating my soldering iron too hot for PCB work

He said I was pushing 400C on through-hole joints and that I should be around 315C for standard boards, and after trying his way on a stuck capacitor I pulled it clean without lifting a pad - has anyone else been running hotter than needed and just not realized it?

Is hot air better than a soldering iron for through-hole stuff?

I've been doing board repairs for about 5 years now, mostly on old computer motherboards and power supplies. For the longest time I was dead set on using my Weller WES51 iron for everything, including pulling out multi-pin connectors and electrolytic caps. But last month I tried a cheap hot air station for a 12-pin header on a 2005 Dell board... it came out clean in maybe 20 seconds. No lifted pads, no fighting with solder braid. But then I tried hot air on a tiny resistor and cooked the board next to it. So which approach do you guys lean toward for general through-hole desoldering? Do you pick based on pin count or component size, or do you just stick with one method?

Overheard a younger tech talking about how he organizes his bench. Made me rethink my whole setup.

I was at a shop in Tulsa last month waiting on parts and this kid, maybe 22, was telling a buddy how he sorts every capacitor and resistor by value in labeled tackle boxes. I've been using old coffee cans for 15 years, digging through them like a raccoon. Spent $40 on a parts organizer that night. Has anyone else found a simple storage change that cut down their repair time noticeably?

The way people strip stranded wire drives me nuts now

I was working on an old Peavey amp from 1982 last week and the guy before me had nicked half the conductors on every single wire with his strippers. Back when I started in the 90s we used a simple $5 pair of Ideal strippers and you just got a feel for the pressure. Now I see guys squeezing the life out of their strippers or using the wrong notch and it makes me wonder how many intermittent shorts they create. Anyone else notice this getting worse with younger techs?

Used to preheat my soldering iron for 10 minutes, now it's 30 seconds with a TS100

I used to wait forever for my cheap Hakko clone to heat up every time I needed to fix a board. Switched to a TS100 last year and it gets hot in under a minute. Why did I put up with that slow warmup for so long? Has anyone else found a quicker iron that actually holds temp well for fine pitch work?

Burnt my hand on a hot ground wire and found a simple fix for loose connections

Was working on a 3-way switch in a 1950s house in Portland last Tuesday, and the damn ground wire heated up bad when I tested the circuit. Almost dropped my whole setup. Turns out the problem was a loose screw on the neutral bar in the panel - I always check connections now after that. Really saved me from a bigger mess on a dimmer install for a client later that week. Anyone else deal with a hot wire that was just a loose connection?

Just figured out I was desoldering wrong for 2 years

Ngl, I always used a cheap pump and thought the leftover solder was just bad flux. Then a buddy at the station showed me how flux core wire works and I felt like an idiot. Anyone else have a 'wait, that's how you do it' moment with a basic tool?

Switched from flux pens to a syringe after 12 years

Always thought flux pens were fine until I had to rework a tight spot on a laptop motherboard in Denver last month. Picked up a 10ml syringe of Amtech NC-559 at a local shop on a whim. Wipes clean way better and doesn't leave that sticky residue. Has anyone else found a specific tool they brushed off for years that actually made a difference?

Swapped my cheap desoldering pump for a Hakko one and it's night and day

I used to fight with a $8 desoldering pump from Amazon for years. It would clog after every third joint and I'd spend more time cleaning it than actually working. Last month I finally bought a Hakko FR301 desoldering gun after a buddy swore by it. The suction on this thing is insane - I cleared a 24 pin connector in under 5 minutes compared to the 30 minute struggle I had before. Has anyone else made the switch and felt silly for waiting so long?

I used to swear by hot air rework stations for everything until a busted board changed my mind

Ran into an old timer at a fleamarket who fixed my broken toaster with a paperclip

I was at the Nashville fleamarket last Saturday, just browsing old junk, and this guy probably in his 70s saw me looking at a beat up toaster that was clearly smashed on one side. He walked up and said "that ain't broke, just bent" and pulled out a paperclip from his pocket. Within maybe 5 minutes he had the heating element realigned, bypassed a blown thermal fuse by soldering a jumper wire across it, and had the thing toasting bread again. I stood there watching him work and he didn't even use a multimeter, just went by feel and experience. It really stuck with me how much basic troubleshooting skill we lose when we just throw boards at everything. Has anyone else run into an old school tech who fixed something dumb simple that you would have scrapped?

Had a cap blow on a receiver board yesterday - changed my flux game.

I was fixing a 70s Pioneer receiver at my bench in Portland. Pulled the board and saw a swollen cap near the power section. Desoldered it clean but the pad lifted - cheap flux let the joint get too hot. Switched to a liquid flux pen I got from a guy at the repair meetup. Now I never touch a board without it. Anyone else ditch paste flux after a bad lift?

The debate over whether to recap old gear vs. replace it entirely after my late 80s amp started humming

I tried just replacing the big electrolytic caps in a 1987 Marshall from a pawn shop in Denver but the small signal caps were so far out it still sounds muddy, so now I'm wondering if you folks strip everything or just swap what's obviously bad and call it good enough?

That customer who insisted their TV just needed a 'reset'

Had a guy come into my shop last Thursday with a 65 inch LG that had a cracked screen. He swore up and down it just needed a factory reset and the lines would disappear. I showed him the physical damage right there under the glass, told him it's $400 for a new panel minimum. He got real quiet, then said 'well can you at least try the reset first?' Like I was holding out on some secret trick. I plugged it in, watched it boot up with a spiderweb of dead pixels, and he finally accepted it. The whole interaction took 15 minutes and I didn't even charge him. Has anyone else dealt with people refusing to believe their screen is toast?

Bought a cheap multimeter from Harbor Freight and it cost me 3 hours of my life

I picked up one of those $5 multimeters on a whim because I needed to check some voltages quick. It kept giving me readings that were all over the place, like 12 volts when I knew it should be 5. After chasing a ghost issue for 3 hours on a power supply board, I grabbed my buddy's Fluke and found the problem right away. That cheap meter was just lying to me the whole time. Anyone else gotten burned by a bargain bin tool like that?

Spent six hours tracking down a short that turned out to be a tiny solder whisker bridging two pins on a connector I'd checked three times already.

Has anyone else had a defect that small eat up that much of your day before you finally spotted it?

Old tube TV repair from 2003 vs now - night and day

I cracked open a 27-inch CRT from 2003 last week, and man, I forgot how much space was inside those things. You could almost stand inside it compared to the flat panels I work on now. The difference is the old power supply boards had like 6 discrete components you could test with a multimeter, now it's all surface mount stuff that burns up in a second. Anyone else miss when you could actually replace a single cap without a microscope?

That Thursday I fixed a 40 year old receiver nobody wanted to touch

Everyone said to just scrap that Pioneer SX-780 with the blown output transistors, but I spent a rainy Thursday tracking down substitutes and doing a recap job too. Got it singing for a customer who paid me $200 total, and now I'm wondering if we give up on old gear too fast just because parts aren't obvious at first glance. Any of you guys ever resurrect something everyone else wrote off for parts?

Chasing a capacitor ghost for 6 hours on a 2015 Samsung TV

Had a Samsung UN55JU6700 come in with no power. Checked the obvious stuff, fuse was fine, standby voltage looked okay. Spent 6 hours swapping parts and testing before finding a bulged capacitor hiding under a heatsink. Anyone else spend way too long on something that should have been a quick fix?

Found out my cheap soldering iron was running 100 degrees too cold this whole time

Was checking out some repair forums last night and stumbled onto a thread about temperature accuracy. Grabbed my little multimeter with the temp probe and tested my iron at what it claimed was 350C. It was reading 250C. No wonder those tiny SMD joints were giving me trouble and I kept cooking pads. Has anyone else tested their iron temp and gotten a nasty surprise like that?

Wasted $60 on a capacitor tester that straight up lied to me

Bought this cheap Chinese brand called 'MeterPro' off Amazon for about 60 bucks. Tested a few caps on a power supply board, it said they were all good, but the board still wouldn't work. Finally pulled out my old multimeter and learned the hard way that three of them were dead as doornails. Anyone else get burned by a bad tester or meter before?

Dropped $800 on a used oscilloscope from a guy on Kijiji

It arrived with a dead channel and a crooked knob but I fixed it with a $2 trimmer cap and some contact cleaner, has anyone else found hidden fixes on older test gear?