|Year: 1972 ?||Category: Broadcast Receiver - or past WW2 Tuner|
|Semiconductors (the count is only for transistors)||20:|
|Wave bands||Broadcast, Long Wave, more than 2 x SW plus FM or UHF.|
|Power type and voltage||Line / Batteries (any type) / 100; 120; 220; 240 / D: 8 x 1.5 Volt|
|Loudspeaker||Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm|
|from Radiomuseum.org||Model: Earth-Orbiter CRF-5090 - Sony; Tokyo|
|Shape||Portable set > 8 inch (usable without mains)|
|Dimensions (WHD)||345 x 275 x 130 mm / 13.6 x 10.8 x 5.1 inch|
Sony model Earth-Orbiter CRF-5090
Equipped with BFO and Squelch.
Material plastic, iron and aluminium.
|Net weight (2.2 lb = 1 kg)||4.7 kg / 10 lb 5.6 oz (10.352 lb)|
|Mentioned in||Antique Radio Magazine - Italy, Club Antique Radio Magazine (n. 105, jan-feb 2012)|
Model page created by a member from A. See "Data change" for further contributors.
All listed radios etc. from Sony; Tokyo
Here you find 2910 models, 2609 with images and 618 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
Hits: 1943 Replies: 0sony: CRF-5090 Earth-Orbiter: Repair of warped dial
Repair of warped dial scale - Sony CRF-5090
Apparently this is quite a common problem with this series of receivers. This one was bought on a
The scale can be removed quite easily after unsoldering the dial lamp leads from their tagstrip.
The scale was gently flattened and then scanned at 600dpi in case of accidents!
The scale was then placed on a flat piece of 9 ply wood between two sheets of greaseproof paper.
Fig 4. Scale drum end.
The inner end of the scale was fitted to the drums and attached loosely with (now) two screws and
The ends flaps were then adjusted for best fit and the four screws gently tightened. As the new scale
The scale was then refitted into the radio and the LED’s connected. A trial run of lamp brilliance was
© Martin Cook 15th August 2010
Hits: 1874 Replies: 0sony: CRF-5090 (CRF5090); Earth-Orbiter
I have successfully repaired the warped dial scale on my CRF5090 which I believe is a common fault on these models. I have written up how the repair was carried out with photos.
Thanks and best regards - Martin