Motorola 19CT1, 19CK2 Technical Information
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12 channel (54-216 mHz) superhetrodyne. 19 inch 3 gun CRT (19VP22). Electrostatic focus, magnetic convergence and deflection, approx. 50 degrees. Later replaced with 21AXP22.
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Function |
Quan. |
Type |
Notes |
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RF amplifier |
1 |
6BZ7 |
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Oscillator/mixer |
1 |
6U8 |
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Video IF amplifier |
3 |
6CB6 |
45.75 mHz video IF |
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Video detector |
1 |
1N60 |
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1st/2nd video amplifier |
1 |
6AN8 |
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Video output |
1 |
12BY7 |
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Chroma bandpass amplifier |
1 |
12BY7 |
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Chroma cathode follower |
1/2 |
12BH7 |
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Burst amplifier |
1/2 |
6AN8 |
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Chroma sync phase detector |
1 |
6AL5 |
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Chroma reference oscillator control |
1/2 |
12AT7 |
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Chroma reference oscillator |
1/2 |
12AT7 |
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Quadrature amplifier |
1/2 |
12BH7 |
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B-Y demodulator |
1 |
6AL5 |
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R-Y demodulator |
1 |
6AL5 |
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G-Y amplifier |
1/2 |
6AN8 |
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B-Y amplifier |
1/2 |
12BH7 |
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R-Y amplifier |
1/2 |
12BH7 |
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1st/2nd audio IF amplifier |
1 |
6AN8 |
4.5 mHz |
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Ratio detector |
1 |
6AL5 |
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Audio amplifier/AGC clamper |
1 |
6AV6 |
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Audio output |
1 |
6V6 |
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AGC keying/cathode follower |
1 |
12AU7 |
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Sync separator |
1 |
6CS6 |
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Sync phase inverter |
1/2 |
6SN7 |
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Horizontal (line) AFC |
1/2 |
6SN7 |
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Horizontal oscillator |
1 |
6SN7 |
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Horizontal output |
1 |
6CD6 |
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HV (EHT) rectifier |
1 |
3A2 |
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HV (EHT) coupler |
1 |
3A2 |
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HV (EHT) doubler |
1 |
3A3 |
25 kv |
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Damper |
1 |
6AU4 |
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HV (EHT) regulator |
1 |
6505 |
Gas discharge tube |
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Vertical (frame) oscillator/output |
1 |
6BL7 |
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Rectifier (HT) |
3 |
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Selenium rectifiers |