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Teardown of NF 4005 power amp by dcstraney
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©
dcstraney
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Front panel
©
dcstraney
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Overview of inside
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dcstraney
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DC caps
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dcstraney
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Front panel board, left
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dcstraney
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Front panel board, right
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dcstraney
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Coil
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dcstraney
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PCB left-front
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dcstraney
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PCB right
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dcstraney
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Transistors
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dcstraney
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Transformer high-voltage windings
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dcstraney
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Transformer low-voltage windings
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dcstraney
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Transformer
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dcstraney
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50-ohm output series resistor
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dcstraney
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Front panel board, input coax.
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dcstraney
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+/- 15V regulators
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dcstraney
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Linear regulator overview
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dcstraney
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Colorful resistors on linear regulator
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dcstraney
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Diode on bottom side
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dcstraney
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PCB bottom side
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dcstraney
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Transistors
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dcstraney
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Transistors
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dcstraney
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Coax. in wiring harnesses to connectors
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dcstraney
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Ferrites at input connectors
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dcstraney
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Wiring harnesses