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HMV Thorn 1500 Low audio and no video!
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11th Aug 2019, 3:45 pm
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jayceebee
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Join Date: Jun 2007
Location: Durham, County Durham, UK.
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Re: HMV Thorn 1500 Low audio and no video!
VT7 in the IF and VT8 video pre-amp both BF197 types used to give trouble, measure between the base and emitter. Anything wide of 0.6v would indicate a faulty device.
John.
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