top of page

title. Marantz 2230B Stereo Receiver. 1974.

date of work. 2020

work. Cleaned. Replaced all capacitors (including filter capacitors) and problematic pre-driver and phono transistors. Has Dolby FM circuit (defunct format from the 70s). Amp balanced. DC offset set. Cleaned all controls. Replaced tuning indicator and stereo lamps. Tuning Circuit aligned.

20200422_164529

20200422_164529

20200422_164534

20200422_164534

20200422_164759

20200422_164759

20200422_164754

20200422_164754

20200422_164737

20200422_164737

20200422_164726

20200422_164726

20200422_164640

20200422_164640

20200422_164634

20200422_164634

20200422_164553

20200422_164553

20200422_164604

20200422_164604

20200422_164612

20200422_164612

20200422_164624

20200422_164624

20200421_145901

20200421_145901

20200426_124353

20200426_124353

20200421_143456

20200421_143456

20200421_143452

20200421_143452

20200421_143034

20200421_143034

20200421_143015

20200421_143015

20200425_154925

20200425_154925

20200425_154905

20200425_154905

20200420_135010

20200420_135010

20200425_154716

20200425_154716

20200425_154743

20200425_154743

© 2017 by timerider.

bottom of page