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 Motorola 19CT1, 19CK2 Technical Information

 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.

Function

Quan.

Type

Notes

  

RF amplifier

1

6BZ7

Oscillator/mixer

1

6U8

Video IF amplifier

3

6CB6

45.75 mHz video IF 
Video detector

1

1N60

1st/2nd video amplifier

1

6AN8

Video output

1

12BY7

Chroma bandpass amplifier

1

12BY7

Chroma cathode follower

1/2

12BH7

Burst amplifier

1/2

6AN8

Chroma sync phase detector

1

6AL5

Chroma reference oscillator control

1/2

12AT7

Chroma reference oscillator

1/2

12AT7

Quadrature amplifier

1/2

12BH7

B-Y demodulator

1

6AL5

R-Y demodulator

1

6AL5

G-Y amplifier             

1/2

6AN8

B-Y amplifier          

1/2

12BH7

R-Y amplifier   

1/2

12BH7

1st/2nd audio IF amplifier

1

6AN8

4.5 mHz
Ratio detector

1

6AL5

Audio amplifier/AGC clamper

1

6AV6

Audio output

1

6V6

AGC keying/cathode follower

1

12AU7

Sync separator

1

6CS6

Sync phase inverter

1/2

6SN7

Horizontal (line) AFC

1/2

6SN7

       
Horizontal oscillator

1

6SN7

Horizontal output

1

6CD6

HV (EHT) rectifier

1

3A2

HV (EHT) coupler

1

3A2

HV (EHT) doubler

1

3A3

25 kv
Damper

1

6AU4

HV (EHT) regulator

1

6505

Gas discharge tube
Vertical (frame) oscillator/output

1

6BL7

Rectifier (HT)

3

   

Selenium rectifiers