Date   
help tek 475 power supply By Roberto · #165101 ·
help tek 475 power supply By Roberto · #165096 ·
help tek 475 power supply By Roberto · #164346 ·
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tektronix 475 help power supply By Roberto · #155154 ·
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R: Re: [TekScopes] tektronix 475 help ic part By Roberto · #153933 ·
tektronix 475 help ic part By Roberto · #153932 ·
tektronix 475 help ic part By Roberto · #153853 ·
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tektronix 475 help replace diode By Roberto · #152762 ·
tektronix 475 help replace diode By Roberto · #152743 ·
tektronix 475 help replace diode By Roberto · #152742 ·
tektronix 475 power supply repair succesful working !!!!! By Roberto · #152737 ·