Uhf Tuner - Sinclair Microvision MTV1 Service Manual

Circuit diagram for reference only; it is suggested you refer to the original later in this document.

UHF Tuner

This comprises of input amplifier, tuned bandpass circuit, mixer and local oscillator. All transistors
are silicon bipolar. Tuning is by variable capacitance diodes. Delayed Automatic Gain Control
(AGC) is applied. to the input stage. Automatic Frequency Control (AFC) is applied to the tuning
voltage. Frequency range: Bands IV and V.
Circuit diagram for reference only; it is suggested you refer to the original later in this document.
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Sinclair MTV1 service manual V2.1