The AC-300 was manufactured between
September 1974 and August 1986. The following repair sheets are
designed to help repair technicians and qualified owners repair and
maintaining the AC-300. If at any time you have a question, need a
part, or want additional information please contact us -- contact
information can be found on this page at the bottom as well as most
pages of our web site.
Use your "Back" button to return to this
page.
AC-300
schematic for power supply circuit
AC-300 schematic for
power amp circuit
AC-300 schematic for
preamp circuit
AC-300 schematic for
Series II phono circuit
How to remove the AC-300
from the wood case
How to replace the North American Phillips (NAP) turntable motor
How to take out and replace the turntable motor
How to adjust the turntable speed
How to remove and replace a
power output circuit board
How to remove the pre-amp assembly and
replace a control potentiometer
How to replace the "output"
selector switch
How to replace the turntable motor start
capacitor
How to replace the VU meter or VU meter
circuit board
How to change the tonearm cartridge holder
How to change the tonearm
How to change the Circuit Breaker on the
back of the AC-300
How to convert a 60Hz system for use on 50Hz
current
How to install an EQ jack --
serial number __1753 and below
How to install an EQ jack --
serial number __1754 and above
How to take off the record reset mechanism &
adjust the height
How to replace the music remote
jack
How to install DC blocking capacitors in older
model AC-300's
How to install a switch for the "Tape
Playback" jack
How to modify the
"Tape Record" jack to a Line Level output
 Contact
Information
For a complete information package contact Dick
Henschel or Bert Swerer at:
HILTON AUDIO
PRODUCTS, INC.
1033-E Shary Circle, Concord, California 94518
Phone: 925-682-8390 - Fax: 925-682-8497
E-mail: hiltonaud@aol.com
Copyright
© 2006 - Hilton Audio Products, Inc.
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