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HMV 1800 Technical Information
 

Single channel superhetrodyne, 9 inch triode CRT. Magnetic focus and deflection, approx. 50 degrees.

Function

Quan.

Type

Notes
    
RF amplifier

1

Z62
Oscillator/mixer (frequency changer)

1

X41
Video IF amplifier

3

KTZ41

 3-6 mHz
Video detector

1

D42
Video amplifier   

1

KTZ41

Sync separator

1

D63
Sync amplifier

1

KTZ63
Horizontal (line) oscillator

1

KTZ63
Horizontal (line) output

1

KT44
Vertical (frame) oscillator
1
KTZ63
Vertical (frame) output

1

KT61
Audio IF amplifier

1

KTW61M

 2.5 mHz
Audio detector/noise limiter

1

D63
Audio amplifier

1

DH63
Audio output

1

KT61
Rectifier (HT)

1

U52
HV (EHT) rectifier

1

U16

 3500 VDC
 

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