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Posts tagged 200W Tube amplifying circuit

200W Tube amplifying circuit

200W Tube amplifying circuit

40W Audio Amplifier Circuit using STK465

40W Audio Amplifier Circuit using STK465

Simple Spring Reverb circuit

Simple Spring Reverb circuit using NE5532

Reader circuit

Simple Magnetic stripe reader circuit using CVBC337, BD139 Simple Magnetic stripe reader circuit using CVBC337, BD139 R1 68K 1/4W Resistor C1 4n7 630V Ceramic or Polyester Capacitor C2 60-80pF 63V Ceramic Trimmer C3 100F 25V Electrolytic Capacitor Q1 BC337 45V 800mA NPN Transistor Q2 BD139 80V 1.5A NPN Transistor L1 500 turns on a 10mm. […]

Resolve a cramped raster on SONY TV KV21GPX?

Ouman asked: I have replaced the vertical deflection IC and checked all possible capacitors and resistors. Still no luck. No circuit diagram. American origin. Thanks Pete. I do remove caps and test with proper cap tester. Will follow your advice. Middle to top cramp with bit of a foldover on top. Frustrating! I keep grinding […]

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