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MECA Electronics

Arvin Model 35, 8-Tube Car-Radio Receiver
Radio Service Data Sheet
May 1936 Radio-Craft

May 1936 Radio-Craft

May 1936 Radio-Craft Cover - RF Cafe[Table of Contents]

Wax nostalgic about and learn from the history of early electronics. See articles from Radio-Craft, published 1929 - 1953. All copyrights are hereby acknowledged.

This is another Radio Service Data Sheet that appeared in the May 1936 edition of Radio-Craft magazine. I post this schematic and functional description of the Arvin Model 35, 8-Tube Car-Radio Receiver manufacturers' publications for the benefit of hobbyists and archivists who might be searching for such information either in a effort to restore a radio to working condition, or to collect archival information. 

Arvin Model 35, 8-Tube Car-Radio Receiver

(Push-pull output; tone control: highly filtered against noise.)

These receivers are designed for ease of motor noise elimination. In rare cases certain cars may be especially hard to work with. In such cases, the Service Man may solder a 3 1/2 in. length of shielding to the underside of the condenser pulley mounting bracket, directly between the 2 6/32 screws which hold the Bowden-wire housing clamp onto this bracket. The other end of this shielding is then hung over the edge of the chassis case on top of the copper-case ground shim, so that when the cover is put on, the condenser pulley assembly is bonded to the outer case. The usual suppressors will then be found to eliminate all trace of noise.

 - RF Cafe

It will be noted that there are terminals provided for use of an external speaker, which may be of the electro-magnetic or permanent-magnet dynamic type.

A table is herewith given of voltage measurements as taken with a 1,000 ohms-per-volt meter;

C.-G. voltages are measured with a V.-T. voltĀ­meter. Plus or minus 20 per cent is acceptable on all voltages.

 

 

 

Posted May 18, 2015

Radio Service Data Sheets

These schematics, tuning instructions, and other data are reproduced from my collection of vintage radio and electronics magazines. As back in the era, similar schematic and service info was available for purchase from sources such as SAMS Photofacts, but these printings were a no-cost bonus for readers. There are 220 Radio Service Data Sheets as of February 2, 2018.

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    Kirt Blattenberger,
    BSEE - KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...

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