21C502 Ch= 1-533-3

• Country
• United States of America (USA)

• Manufacturer / Brand
• Sylvania (Hygrade, GTE, Nilco); Emporium (PA)

• Year
• 1957 ?

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 272052

• Picture
• Schematics

Previous Next

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 23

• Valves / Tubes
• 6BQ7A 6X8 6AF4A 6BZ6 6BZ6 6BZ6 6AM8 12BY7A 6AN8 12AU7A 6AU6 6AL5 6AV6 6AQ5 12AU7A 6SN7GTB 6W6GT 6AL5 6SN7GTB 6DN6 6AX4GT 1B3GT 21ATP4 or 21ATP4A or 21ALP4A or 21ALP4B

• Main principle
• Superhet with RF-stage

• Wave bands
• VHF incl. FM and/or UHF (see notes for details)

• Power type and voltage
• Alternating Current supply (AC) / 60 Hz, 110-120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• from Radiomuseum.org
• Model: 21C502 Ch= 1-533-3 - Sylvania Hygrade, GTE, Nilco;

• Notes

• The Sylvania 21C502 is a 21" b/w TV with US standard VHF Tuner channels 2 thru 13, 14 thru 83 UHF. Equipped with chassis 1-533-3, VHF tuner 323-0069, UHF tuner 323-0068 and picture tube 21ATP4 or 21ATP4A or 21ALP4A or 21ALP4B.

• Mentioned in
• Photofact Folder, Howard W. SAMS (Set 352, Folder 16, Date 3-57)

• Author
• Model page created by Arpad Roth † 27.3.17. See "Data change" for further contributors.

• Other Models

• Here you find 1092 models, 455 with images and 958 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sylvania (Hygrade, GTE, Nilco); Emporium (PA)