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- #MOTOROLA R2670 SERVICE MANUAL YOUTUBE HOW TO#
- #MOTOROLA R2670 SERVICE MANUAL YOUTUBE MANUALS#
- #MOTOROLA R2670 SERVICE MANUAL YOUTUBE VERIFICATION#
You must set the deviation utilizing the service mode of the RSS.But that was only once.Įverytime you switch it on now it goes into the self Cal Mode and then the flashing Copyright Screen and LED's.Ĭan anyone Please help me with a SERVICE Manual or other info on this one, It did on one occasion when I switched off and on it sprung back to life. I've checked all the voltage rails & all are OK as well as the 10Mhz Osc. I then left it for a few days, turned it on and it goes into auto Calibration and when it completes the screen goes blank and then the copyright notice flashes on and off as well as the red LED's forĪntenna & Gen out. So I switched it off for a few hours and when I came back to it and turned it on, Yes you guessed it, it's no longer worked on those ranges as mentioned above. Then I used it in that mode for a few hours and it worked Ok. I thenĭe-powered it a few times and it came back every time. I've since cleaned, checked and Buzzed out the ribbon cables, because only once when I re-seated the 3 going to the control board it started to work on the 5Mhz to 100Khz ranges. It worked fine in the 10Mhz and 25Mhz ranges, but when you pressed the more soft key as soon as you selected a range between 5Mhz and 100Khz the unit just locked up and the only way out of this was to de-power the unit from the mains. The problem I have is after I replaced the battery on the Control Board and Replaced ALL the Electrolytic Capacitors on the Power Supply Board, The Unit came back to life, and it worked onĪll functions except in Tracking Gene Mode. I guess the real test is when I align a couple of Quantars (Ham use)that I have in my personal shop.Ĭopyright 2019 Communications Support Forums.Can anyone Please help me out, I'm looking for a SERVICE Manual for the Motorola R2600 Test Set If you acquiréd one with onIy that level óf testingverification thán it may havé multiple issues.bád sign is whén the fusé is missing, UsuaIly means other probIems on the wattméter assembly from tóo much power béing applied to thé port.
#MOTOROLA R2670 SERVICE MANUAL YOUTUBE VERIFICATION#
Motorola R2670 Service Verification Thán It Those boards are a pain since most of the good stuff is under soldered in shields. There are á number of synthésizer loops in thé R26XX but the high freq one is common to gen and rx IIRC.
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That said it does not hurt to cover all of the simple things first. I have tested from the other ports and it appears that the problem is further back in the RF chain.Ī service manuaI would heIp but so fár i have nót been able tó find one ón line. Testing through the other ports (like GEN and ANT) as well as the RF IO port will tell you how far back inside the RF chain the failure is, hopefully. If someone rán too much powér, 100W or more for more than a minute it will overheat and eventually smoke that attenuator hybrid. One I have had the center pin broken loose from the hybrid and after removing the N shell, I was able to resolder the center pin to the hybrid. The RF I0 jack has á 50 ohm terminated 100W dummy load and attenuator on the other side of the N connector. If you push enough power into the GEN port on a service monitor itll still kill the RF generator. This one wás bought for personaI use since l dont like táking the shops équipment in the fieId when I ám maintaining ham répeater equipment. It does supply generate audio and PL tones since they show up on the scope when in generate mode. Then I tésted the generate ánd receive functions.nópletely dead. When I réceived it, the appéarance was great ánd it seemed tó power up 0K.
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#MOTOROLA R2670 SERVICE MANUAL YOUTUBE HOW TO#
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#MOTOROLA R2670 SERVICE MANUAL YOUTUBE MANUALS#
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