Electronics Repair

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Toshiba 2SD424 and B554

I have an older QSC model 1400 in with some blown output transistors (uses 8 per channel). Original outputs are Toshiba...
6 comments posted 10yrs
posted by ohger1s
6 comments posted 10yrs posted by ohger1s

Fujitsu Siemens V5505 laptop.

Just won a Fujitsu Siemens laptop with a bricked HDD. Linux based partition tools were able to recognise that the "HDD...
8 comments posted 10yrs
posted by gangprobing.alien
8 comments posted 10yrs posted by gangprobing.alien

Weller gun tips

well, bought a 140/100 watt gun and tips. The standard tips fell apart at the tip. As if the tips were soldered togethe...
20 comments posted 10yrs
posted by avagadro7
20 comments posted 10yrs posted by avagadro7

Membrane keypad problem

One final problem I've been having with this synthesizer restoration project for a friend. I've reassembled the synthes...
1 comments posted 10yrs
posted by bitrex
1 comments posted 10yrs posted by bitrex

1960s-1970s Telephone Repair

Hello, all, especially those with familiarity with subject. I've got a decades-old Stromberg-Carlson SC-2554 wall mount...
33 comments posted 10yrs
posted by john.wood
33 comments posted 10yrs posted by john.wood

Vintage Fisher TX-300 Integrated needs caps

Looking for advice on replacing coupling capacitors in this circa 1964 N.Y. built amp. I picked it up some 20 years ago...
7 comments posted 10yrs
posted by ohger1s
7 comments posted 10yrs posted by ohger1s

EL backlight is cool

The "new" LCD display came out pretty nice if I do say so myself - replaced filter cap in the inverter, changed the con...
0 comments posted 10yrs
posted by bitrex
0 comments posted 10yrs posted by bitrex

Vishay TSAL6102 alternative

Hello All, I am looking for an alternative to Vishay TSAL6102 (http://www.vishay.com/d ocs/84337/tsal6102.pdf). The two...
4 comments posted 10yrs
posted by mittra
4 comments posted 10yrs posted by mittra

ups battery

How can I check a rechargeable battery to tell if it needs recharging? I want to buy a UPS battery to leave in the deta...
4 comments posted 10yrs
posted by ad
4 comments posted 10yrs posted by ad

Lovato DPMC9 Contactor

Hi, I want to test a Lovato DPMC9 connected to a motor here. Is anyone familiar with this device? Anyone have a catalog?...
0 comments posted 10yrs
posted by petereasthope
0 comments posted 10yrs posted by petereasthope

Dead Electrical

Out of the blue, I turned the ignition key and the started jerked and stopped. Next turn solenoid clicked only. After t...
36 comments posted 10yrs
posted by Snuffy-Hub-Cap
36 comments posted 10yrs posted by Snuffy-Hub-Cap

Speaking of fake electronics

While looking for some 18650 batteries on eBay I came across some 4000, 5000, and even one seller offering 6000 MAH one...
8 comments posted 10yrs
posted by etpm
8 comments posted 10yrs posted by etpm

Fake Chips

Hi all, Is there any reliable method for testing parts for authenticity? I just bought a bunch of LM317T variable volta...
15 comments posted 10yrs
posted by curd
15 comments posted 10yrs posted by curd

Dead pixels or...?

LCD display having issues: http://tinyurl.com/jovnnra Dead pixels, corroded/dirty ribbon cable contacts, or something el...
4 comments posted 10yrs
posted by bitrex
4 comments posted 10yrs posted by bitrex