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Posts Tagged ‘repair’

AVO DA116 repair: Replacing the LCD

Friday, May 27th, 2016

  Daniel Bailey from Bit Of A Hack did a repair of a digital Avometer DA116 and documented the whole process on his blog: Anyway, this post is about my AVO DA116. I did this repair a while ago and almost forgot to post about it. I bought a broken...

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Teardown, repair and experiments with the Anritsu 37347A 20GHz Vector Network Analyzer

Friday, May 13th, 2016

[embed]http://www.youtube.com/watch?v=dwAieDTRMdQ[/embed] Here's another great video teardown from TheSignalPath: In this episode Shahriar repairs an Anritsu 37347A 20GHz Two-Port Network Analyzer. The unit does not boot up and as a result its internal state is unknown. The boot fault is traced to a bad RTC module which has a built-in integrated...

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Repairing the HackRF

Thursday, March 3rd, 2016

Ramiro from t4f.org did a repair of a HackRF One and documented the whole process on his blog: I broke my HackRF One. I have no idea how, but I did it. While testing a power amplifier I realized that there was not transmission at all. After checking the software, the...

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Teardown, repair & calibration of a Valhalla 2701C Programmable Precision DC voltage standard

Thursday, January 21st, 2016

A teardown and repair of a Valhalla 2701C Programmable Precision DC voltage standard from The Signal Path: In this episode Shahriar examines a faulty Valhalla 2701C Programmable Precision DC Reference instrument. Valhalla Scientific’s 2701C Programmable Precision DC Voltage Calibrator delivers ultra-precision, ultra-stable DC voltage from 100 nanovolts to 1200 volts. This unit...

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Repairing a Marconi Instruments 2955A Radio Communications Test Set, part 1

Tuesday, November 17th, 2015

Mikko has written an article about Marconi 2955A repair: First off, I decided to see what was the deal with the CRT. I have never worked on CRTs before, I have understanding of how the picture is formed by steering the electron beam using the deflection coils but that’s about it....

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Teardown, repair & analysis of a Rohde & Schwarz FSH3 3.0GHz portable spectrum analyzer

Thursday, August 6th, 2015

A teardown and repair of a Rohde & Schwarz FSH3 3.0GHz portable spectrum analyzer from The Signal Path: In this episode Shahriar examines a faulty R&S FSH3 100kHz – 3.0GHz Portable Spectrum Analyzer. This exceptionally dirty unit does not power on and is missing a power supply and battery. After...

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Teardown & repair of the Siglent SHS810 100MHz 1GS/s portable oscilloscope & multimeter

Wednesday, July 8th, 2015

Here's a teardown & repair of the Siglent SHS810 100MHz 1GS/s portable oscilloscope & multimeter from The Signal Path: In this episode Shahriar examines the failure of a Siglent SHS810 100MHz 1GS/s portable oscilloscope and multimeter. The instrument’s multimeter inputs are functional, however the neither of the oscilloscope inputs display...

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Teardown and repair of an Agilent E4433B ESG-D synthesized signal generator

Friday, December 26th, 2014

Teardown and repair of an Agilent E4433B ESG-D synthesized signal generator: In this episode Shahriar repairs an Agilent E4433B ESG-D Synthesized Signal Generator. This 4GHz unit shows the "UNLEVEL" error for all frequencies and at all output power levels. After a close look at the system block diagram the fault...

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Reviving 80’s arcade, Super invaders

Friday, December 5th, 2014

Stian did restoration of 80's arcade. He wrote a post on his blog detailing the process: I did a visual inspection the board looking for shorts or burned out components, and replaced a few 100nF ceramic capacitors that literally had cracked and/or fallen off. I then examined the on-board power supply. It...

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HP 3468A bench multimeter repair

Thursday, January 30th, 2014

HP 3468A bench multimeter repair: There are a number of great older bench meters out there that would be perfect when upgrading from a hand held meter when working on the bench. The HP 3468A meter can be had for under $200 in good working condition and often around $100...

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Hot-air rework station repairing

Friday, April 12th, 2013

Oakkar7  shares his experience repairing his hot-air station: I quickly checked the problem. There is no air flow at the nozzle. But I still heard the air compressor  sound. Today, I tear down and find out the problem. My rework station is a cheap china made, LK852D brand. Here is...

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Posted in DIY, tools | 1 Comment »

Weller DS701E soldering-desoldering station repair

Wednesday, January 30th, 2013

Gelbanana had some free time on his hands and he decided to try and repair an old Weller DS701E soldering-desoldering station he had laying around. The problem was diagnosed to a couple of bad capacitors. After a quick replacement, the station started working as expected, with the exception of the...

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Troubleshoot and repair a defective LCD monitor

Thursday, February 2nd, 2012

Victor took apart a defective LCD monitor and repaired it. The LCD didn't respond at all to the power button, so chances were good something was off in the power supply. Sure enough there was a bulging cap, replacing it revived the monitor and saved it from the landfill. Some...

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Bus Pirate repair

Monday, March 28th, 2011

Sal_The_Tiller posted a Flickr photoset of his Bus Pirate repair. Delicate surface mount surgery to replace a broken PIC chip: ...I've got a permanent workspace and some projects that could use a Bus Pirate, but I'm too cheap to buy a new one. Therefore I decided to replace the PIC24...

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Repair your own oscilloscope

Friday, March 11th, 2011

Hotsolder repaired his malfunctioning Rigol, A bad rotary encoder can make your tools useless in worst cases. Fortunately it is an easy fix, he has created a slide show demonstrating just how easy it is. Via Hack a Day

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Posted in Teardowns | 1 Comment »

Recent Comments

  • DP.: fixed, thanks
  • Bovine: Title of article has the wrong number for ESP8266 typed.
  • burkm m: It drifting even further using that standard XO...
  • langwadt: a HC14 is a bad choice for an xtal oscillator, the unbuffered non-Schmitt trigger HCU04 is much better for that application
  • Bill F: I'm ready for one!