HMV 1800 Technical Information
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Single channel superhetrodyne, 9 inch triode CRT. Magnetic focus and deflection, approx. 50 degrees.
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Function |
Quan. |
Type |
Notes |
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RF amplifier |
1 |
Z62 |
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Oscillator/mixer (frequency changer) |
1 |
X41 |
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Video IF amplifier |
3 |
KTZ41 |
3-6 mHz |
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Video detector |
1 |
D42 |
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Video amplifier |
1 |
KTZ41 |
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Sync separator |
1 |
D63 |
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Sync amplifier |
1 |
KTZ63 |
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Horizontal (line) oscillator |
1 |
KTZ63 |
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Horizontal (line) output |
1 |
KT44 |
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Vertical (frame) oscillator |
1 |
KTZ63 |
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Vertical (frame) output |
1 |
KT61 |
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Audio IF amplifier |
1 |
KTW61M |
2.5 mHz |
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Audio detector/noise limiter |
1 |
D63 |
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Audio amplifier |
1 |
DH63 |
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Audio output |
1 |
KT61 |
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Rectifier (HT) |
1 |
U52 |
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HV (EHT) rectifier |
1 |
U16 |
3500 VDC |