more technology, advanced features, and Motorola quality to enable clear and consistent communication. 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.The ASTRO ® 25 XTL™ 2500 digital mobile radio comes through in demanding situations. 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 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. 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. Motorola User Guidé 2040 kB 2236 Motorola DSR305SC motorola t190 opening pic.rar 160705 How to open Motorola t190 pictures by my.

Special interface is required 175 kB 15933 Motorola Motorola Cracker. Login: Pass: register send pass S earch B rowse U pload M ost W anted D atasheets C hassis2model R epair tips F ulltext search C ables Connectors S earch service manuals database. Our library is the biggest of these that have literally hundreds of thousands of different products represented. Motorola R2670 Service Manual File Type.Motorola R2670 Service Verification Thán It.

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