Early Electronic Television
Pye 817 Technical Information
Television: Single channel TRF. The 817 originally had a Hivac T5M CRT. Our set came with a Emiscope 3/1 triode. Magnetic focus and deflection, approx. 45 degrees.
|
| Quan. | |||
| Video RF amplifier | 3 | EF6 | |
| Video detector | 2 | EA50/T6D | Push-pull |
| Audio RF amplifier | 2 | EF6 | |
| Audio detector | 1 | EA50/T6D | |
| Sync separator | 1 | EF6 | |
| Horizontal (line) oscillator | 1 | 6J5 | * |
| Horizontal (line) output | 1 | 6V6 | * |
| Vertical (frame) oscillator/output | 1 | 6153T | |
| Rectifier (HT) | 1 | UU5/IW3 | |
| High Voltage (EHT) | 1 | HVU1/HVR2 | 2500 VDC |
*Factory (?) replacement for a Hivac AC/TZ, a triode-tetrode specially made for the set.