21-11-2011, 04:26 PM
Thanks for your contribution, David.
I'm not too sure about the 'intended use and by whom' on other receivers of this vintage, but I do know that the CR.100 (and variants of it) were used by all the Armed Forces and various Intelligence Agencies. Although the subject of the expected lifetime of these would have varied, dependent on their usage, it is interesting to note that the manual for the CR.100 goes into a great deal of detail on maintenance in the field and at a repair depot. Such is this coverage, that not only is a list of 'hints' for locating a fault provided, but it even runs to the colour coding of resistors. From my needs right now, what would have been useful would have been drawings of the individual group boards, itemising the individual components thereupon. But never mind - I'll have to produce these myself. Have done this before (such as the Racal RA-17 and various Eddystone radios) - so can do so again.
As many of us have discovered, it is only by taking ample photographs and making detailed drawings prior to any dismantling that the subsequent re-assembly (and fault-finding) is made easier ~ or even possible at all. Not only that, but you then have that documentation for the next time; there is always a next time!: rolleyes:
Al.
I'm not too sure about the 'intended use and by whom' on other receivers of this vintage, but I do know that the CR.100 (and variants of it) were used by all the Armed Forces and various Intelligence Agencies. Although the subject of the expected lifetime of these would have varied, dependent on their usage, it is interesting to note that the manual for the CR.100 goes into a great deal of detail on maintenance in the field and at a repair depot. Such is this coverage, that not only is a list of 'hints' for locating a fault provided, but it even runs to the colour coding of resistors. From my needs right now, what would have been useful would have been drawings of the individual group boards, itemising the individual components thereupon. But never mind - I'll have to produce these myself. Have done this before (such as the Racal RA-17 and various Eddystone radios) - so can do so again.
As many of us have discovered, it is only by taking ample photographs and making detailed drawings prior to any dismantling that the subsequent re-assembly (and fault-finding) is made easier ~ or even possible at all. Not only that, but you then have that documentation for the next time; there is always a next time!: rolleyes:
Al.
