NOW OPEN! Oscilloscope Restoration Project Repair Tektronix 2465B 400MHz This applies to all similar type models 2445 , 2445A , 2445B , 2465 , 2465A , 2465B , 2467 , 2467A , 2467B Tantalum capacitors are one of my favorite causes of problems, and sure-enough C1034 (to the left of the blue Sprague capacitors) had high ESR. those TWO lamps,a PITA. This paper outlines a first-time journey with the trial and tribulations of the process. CLICK to see 152-series 285/290-XXXX-XXX Capacitors and Sets Listing of all Tek 285/290-xxxx-xx Capacitors and capacitor sets we have in stock. I found a 1.5 A fuse (F1419) blown, and. The effective overall deflection factor of each channel of the 465 is determined by the appropriate VOLT DIV switch. I noticed the 70's-era electrolytic power supply caps. Tektronix 465 timebase switch mechanical problem - solved! Enter your search keyword. Manufacturer. Obtain the service manual and do what it tells you to do, download off the web. Post subject: Tektronix 465 capacitor question ! Member: Joined: Apr Sat 11, 2009 4:15 am Posts: 1219 Location: Portland OR, grid square CN-85 Hi there everybody--- OK, I got the 465 up here on the table for some work, got it opened up. Trigger Coupling - Tektronix 465 - Raynet Repair Services Love this CRO but, - mains fuse (240 v .75A), blew while working with it. PhilF. Tektronix labs offer free pick-up and delivery service in Phoenix and the surrounding areas. But a Tek 465 deserves to be cared for, so spend an extra buck on the tantalum capacitor (digi-key). Tektronix part number: 670-1885-02. Tektronix Oscilloscope Signal Out PCB Assembly. (RFE) Used in Oscilloscope model 7704A and others. Advanced: Daily Deals; Brand Outlet; Help & Contact; Sell; Watchlist Expand Watch List. 465 Instruction Manual | Tektronix I am an Electronic Repair Expert with over 25 years experience. However, many of the standard electronic components can be t obtained locally in less time than is We have a global network of calibration labs with the most extensive set of calibration capabilities in the industry. HVAC companies will charge somewhere between $150 to $300 to replace it depending on the job. I am trying to bring a Tektronix 465 back to life. Tektronix 465, 465B, 475, 475A, 475M Series Analog Tektronix 465 - no horizontal time base on both channels. These bottom feet fit most 400 series scopes (465, 475, etc). Antique Radio Forums View topic - Tektronix 465 sweep issues Tektronix Tektronix part number: 670-1104-01. Tektronix PCB Switch Assembly. (RFE) Mode Switch. Used in Timebase Module models 7B50/7B51. Tektronix part number: 670-1105-01. Tektronix PCB Switch Assembly. (RFE) Coupling Switch. Used in Timebase Module models 7B50/7B51. Tektronix part number: 670-1106-01. Tektronix PCB Switch Assembly. (RFE) Magnifier Switch. You can check if AC line ripple is affecting the trace by changing the trigger source to LINE and the sweep speed to 1ms/div or slower. The instrument is light in weight and compact of design for ease of transportation, yet capable of performance necessary for accurate high-frequency measurements. Antique Radio Forums View topic - Tektronix 465 Oscilloscope help Website. 3000F 50VDC. Solder Terminals. Used in some Tektronix power supplies. Tektronix part number: 290-0509-00. Tektronix Capacitor. (RFE) Multi Section - 480pF / 0.005F / 0.05F / 0.5F. With mounting hardware. Tektronix part number: 291-0026-00. Tektronix Capacitor. (RFE) With mounting hardware. Tektronix part number: 291-0039-00. My recently acquired Tektronix 465 with the same timebase switch mechanical problem. Tektronix TDS Series TDS544A TDS644A TDS744A capacitor Thinking it was. The power supply input capacitors will always show ripple (1) when measured but the output capacitors should have essentially zero ripple. Member. Tektronix There are actually two separate sweep generators that can run at different rates. Tektronix 465 fat trace problem - Page 1 - EEVblog Consider replacement of DS1225 battery backed NVRAM with FM16W08 F-RAM - this will hold your calibration constants forever. Tektronix part number: 131-0402. Tektronix Oscilloscope Dual Fuse Holder. (RFE) Used in Oscilloscope model 453 and others. Tektronix part number: 352-0025-00. Tektronix Oscilloscope Fuse Holder. (RFE) Used in Oscilloscope model 453 and others. Tektronix part number: 352-0031-00. Tektronix Transformer. (RFE) Tektronix part number: 120-0763-00. #8. Heat dry in oven at lowest temperature for an hour or so, use heat shield and shake moisture off first. Tektronix Repair And Restoration PartsTektronix 465, 465B, 475, 475A, 475M Oscilloscopes Tektronix 465, 465B, 475, 475A, 475M Series Analog Oscilloscopes High Quality Oscillocope input Capacitor 19 nF / 0.019 uF 600V - Tektronix Part # 285081601. A description of Most of the wet caps are out of specification and the ripple is nasty, so I am replacing them. Each attenuator contains an adjustable series capacitor to provide correct attenuation at high frequencies and an adjustable shunt capacitor to provide correct input capacitance. Wet tantalum capacitor. Qservice EU Electronic Spare parts - Tektronix 465, 465B, 475, Original Tektronix Repair parts For test equipment Custom Semiconductors, Transistors and Diodes. You can set the scope up so that the 'B' sweep starts a short (and configurable) time delay after the 'A' sweep starts. Electroytics, film, ceramic, HV. Certifications and Accreditations. It was fun indeed! #1. Input Attenuator - Tektronix 465 - Raynet Repair Services Tektronix 465 Oscilloscope Power Supply Capacitor Replacement Ron Childress October 2008 Introduction The purpose of this document is to help others replace power supply capacitors in vintage Tektronix 465 and similar oscilloscopes. More than 1,100 experienced technicians are ready to service your instruments worldwide. Some troubleshooting shows that C4419, the 5000 mfd electrolytic in the negative 8 volt supply is shorted. >A solid tantalum capacitor would be pretty expensive so assuming it >will fit, I would use a low impedance high frequency 105C aluminum >electrolytic intended for switching power supply applications. Tektronix This manual applies to: 465. Im in Australia & hoping someone may be able to help with an old analogue Tek 465. Tektronix 465 Post subject: Re: Tektronix 465 Oscilloscope help. Tektronix 465B repair - Page 1 - EEVblog Tektronix Use tantalum or ceramic capacitors to replace the electrolytic capacitors. I have seen complete repairs affected by replacing one of these capacitor. If you find a blown fuse, don't just replace the fuse, check those rails with an ohm-meter, you may find a shorted tantalum capacitor, or a shorted semiconductor. I just got a Tektronix 465 (simple, no B or M) oscilloscope off ebay about 2 weeks ago (~100$) and I was very happy that it worked out of the box with no issue. Re: Tektronix 465 powers up but no trace need help. Compare expert Ac Capacitors, read reviews, and find contact information - THE REAL YELLOW PAGES AC MEN AC Heating Water heater Repair Services. Going crazy trying to find that oddball Tek dual transistor or plastic power transistor for that 465? 465-466-468-and 475 475A TEKTRONIX Scopes. Member. 20. Qservice Electronics Tektronix Oscilloscope Parts & Manuals 4,700uF Tektronix 465 oscilloscope problem | Electronics Forum (Circuits Top. click to see more. Phoenix, AZ 85029. by cap April 20th, 2012, 8:12 pm. Fit the 475 scope as well. Tektronix has the world's most comprehensive network of repair and calibration services for test and measurement equipment. I thought it might be fun to try to resurrect it. When AC coupled, the input signal passes through capacitor C3. Fixing a Tektronix 465 Tektronix FourSixtyFive To make thinks easier then, can I replace all of them with a 5600 or 6800 F model or should there be a difference between the rails?Given the tolerance specification for the original capacitors you could do that except for C1512 (550uF) and C1513 (1200uF). Download File. Related questions If you use ceramics, get the highest voltage rating X7R available. Calibration and Repair Services | Tektronix when replaced, it would blow again immediately. Capacitors The 465 series scopes use tantalum capacitors. place of the lamps.I think you could get away with one resistor for both. They are known to short out and bring the scope down. tektronix 465 repair - Google Groups Tantalum Cap 3uf 150v replacement for Tek 465? - Page 1 The sweep circuits in the oscilloscope are quite complicated. The Tektronix 465 Oscilloscope is a wide-band, portable oscilloscope designed to operate in a wide range of environmental conditions. By downloading, you agree to the terms and conditions of the Manuals Download Agreement. Recently, I had a problem with the LV supplies in my 465B. As always - check all the power supplies first (-8, +5 +15 +50, +110). you have to remove the vertical preamp board and attenuators to access. Tektronix 2465B Oscilloscope Restoration Repair - Condor Audio Tektronix Analog 464, 465, 465B, 466, 475, 475A, 475M Series; Tektronix Digital Portable 222, 222A, 222PS, 224 Series; Tektronix Analog TAS Series; Tektronix Oscilloscope Repair Part 290-0585-00, 290058500, Capacitor. Part No: 465 OSCILLOSCOPE : Alternate P/N: 465OSCILLOSCOPE : Manufacturer: tektronix: Part desc: service manual: Congratulations! I need a replacement part. if the +15V supply is blowing the fuse, I would check any shorted capacitors first. Tektronix 465, 465B, 475, 475A, 475M Series Analog Oscilloscopes High Quality Oscillocope input Capacitor 19 nF / 0.019 uF 600V - Tektronix Part # I may have the parts you are looking for! I am an Electronic Repair Expert with over 25 years experience. Newbie - Tek 465 Help Please - Tektronix and Keithley diodes, capacitors, resistors, and many other components. RIFA Safety Capacitor Replacement in HP Posted: Mar Wed 23, 2016 3:56 pm. UK Vintage Radio Repair and Restoration Discussion Forum Tektronix 465 sweep issues. I found one bad capacitor that was grounding the +15, when it started. more Priced as a set of four. Tektronix This results in noise, smoke and Obtain the service manual and do what it tells you to do, download off the web. Re: Tektronix 465 powers up but no trace need help. Tektronix 465 horizontal issue | diyAudio One lead will need to be clipped before testing to isolate it from the circuit. the original lamps had maricopa, AZ 85139. Location: Beaver Falls, PA. USA. a. shorted electrolytic can, I decided to replace all of them (although it. Repair And Restoration PartsTektronix 465, 465B, 475, 475A, 475M Oscilloscopes - Page 2. TEKTRONIX 465 Tek-465 problem. Sent: Saturday, February 23, 2013 3:20 AM. Replacing Capacitors TDS600A, TDS500A, and earlier - Tektronix 465-466-468-and 475 475A TEKTRONIX Scopes. YEARS IN BUSINESS (602) 400-1080. Calibration Services in Phoenix, AZ | Tektronix Tektronix 465 capacitor Oscilloscope Restoration Project Repair Tektronix 2465B 400MHz This applies to all similar type models 2445 , 2445A , 2445B , 2465 , 2465A , 2465B , 2467 , 2467A , 2467B Tantalum capacitors are one of my favorite causes of problems, and sure-enough C1034 (to the left of the blue Sprague capacitors) had high ESR. Jan 22, 2011. Fit the 475 scope as well. Can you replace old tantalum capacitors with electrolytic - Quora Tantalum capacitors are renowned in these scopes for s/c's. Tektronix 465, 465B, 475, 475A, 475M Series Analog Oscilloscopes; Tektronix Oscilloscope Repair Part 290-0584-00, 290058400, Capacitor . costs between $35 to $75 in most cases for the part. TEKTRONIX 465 LOOK in this new section. In the AC, LF REJ, and HF REJ mode of trigger coupling, the DC component of the trigger signal is blocked by coupling capacitors C612 or C611. Bill. Antique Radio Forums View topic - Tektronix 465B power supply Subject: [TekScopes] Re: Tektronix 2465 capacitors etc. When ordering replacement parts from Tektronix, Inc., it is imperative that all of the following information be included in the order to ensure receiving the proper parts. use a 4.7uf electrolytic until you can source a tant. TEKTRONIX 465 Scope.Electrolitic Capacitor 550 uF/100 Volt | Business & Industrial, Test, Measurement & Inspection, Test Equipment Parts & Accessories | eBay!