Teardown and repair of a Vintage multimeter – Weston 6000 by KuzyaTech: Another addition to my growing collection of vintage multimeters is this Weston Schlumberger Model 6000 meter from the mid 1970s The meter was listed as in almost like new … Read more
Category Archives: Teardowns
Kerry Wong writes: A couple of weeks ago I did a teardown of HP 6181C — a precision DC current source made in the late 70′s and early 80′s. This time around, I am going to show some pictures of … Read more
Teardown and repair of a Fluke 196B Handheld ScopeMeter: In this episode Shahriar goes through the teardown and repair process of a Fluke 196B Handheld ScopeMeter. This unit, which has been purchased as a “dead” unit from eBay, is examined … Read more
Kerry Wong did a teardown of an old HP 6181C DC current source: HP 6181C is a lab grade 0 to 250 mA current source manufactured back in the late 70′s and early 80′s. There does not seem to be any pictures … Read more
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 … Read more
Sebastian voided his warranty and bravely went where others fear to tread, dissecting the Teledyne LeCroy HDO4024 12-Bit oscilloscope. He produced this post detailing his findings. Via the contact form.
Joe Desbonnet acquired a Silvercrest (Lidl) TwinTalker 4810 PMR radio and decided to explore under the hood. PMR radios are a European equivalent of low power Family Radio Service and General Mobile Radio Service walkie-talkies used in the USA, but … Read more
Free PCB builder extraordinaire Kenneth did an extensive teardown of an HP ProCurve 2824 Ethernet Switch. He analyzes the PCB piece by piece, explaining the smaller function blocks and how they fit together. So that is how all of the internals of … Read more
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 … Read more
Presslab tears down the Weller WX 2021 soldering station. He is hunting for the pinout of the front panel serial connector. He was able to identify the serial IC used, and with it the pinout. Via the forum.
Anton Gorbunov did a teardown of his Nexus 7 dock and discovered that there are only some passive components on the PCB. He notes that with some pogopins it should be easy to make your own Dock. Via the contact … Read more
Kenneth takes apart a few old “tube” radio receivers and finds 8 Henry inductors inside, which is several orders of magnitude more then regular inductors we’re accustom to. He proceeds to hook it up to a 10 uF capacitor, and … Read more
Mat received his open 7400 contest prize, the Analog Discovery bench tool. He was quick to tear it down and find out how it ticks. The brain of the beast is a Xilinx Spartan-6 FPGA which works in conjunction with … Read more
Sebastian, amateur radio operator KF5OBS, offers up this under the hood look at a C-Band DRO LNB. “A low-noise block downconverter (LNB) is a key element in a satellite receiver system and is responsible for converting the relatively high frequency … Read more
Arhi tears apart the Voltcraft PS-1305/230 isolated 0-230 volts AC 4.5 Amp power supply. It also comes with a 0-30V 5A, and 5V 3A DC channels. The laboratory power unit is a combination of direct current power unit and safety … Read more
Hak8or got his hand on an X-ray bone mineral density assessment machine someone dumped. It seems the only problem is a faulty temperature sensor, but Hak80r decided to break it down and share the pictures with us. For an in-depth … Read more
Kenneth scored two HP universal frequency counters and popped them open. One generates the timebase from an uncompensated oscillator in a TO-5 package, while the other uses a large temperature controlled oven oscillator: here is both of my counters measuring … Read more
Mick bought and disassembled a Tektronix 465 oscilloscope. It’s a 100 MHz dual trace, dual timebase analog scope. He points out that most of the transistors are socketed instead of soldered. More pics below. Via the forum.
Philip scored a vintage Sanyo 4 function calculator in a local thrift store. He opened it up and was pleasantly surprised with 8 Nixie tubes. You guys wont believe what i just scored from a local thrift store [selling second/third/fourth … Read more
Raj has been designing a soldering station that would support Weller’s RT type tips with temperature sensor and heater built into them. A stereo-type jack on the iron connects them to the soldering station cable. So far Raj has reverse … Read more