The AC-201 sound system was manufactured
between July 1989 and January 1999. The following repair sheets are
designed to help repair technicians and qualified owners repair and
maintaining the AC-201. 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-201
schematic for power supply circuit
AC-201 schematic for
power amp output circuit
AC-201 schematic for
microphone preamp circuit
AC-201 schematic
for phonograph preamp circuit
AC-201 schematic for music
tone control circuit
How to remove the AC-201 from the
wood case
How to remove and replace the turntable motor
How to replace the servo and/or circuit board
for the record reset mechanism
How to remove and replace the record reset
mechanism circuit board
How to adjust the height and speed settings for
the record reset mechanism
How to install a dial readout reset arm on the
reset mechanism
How to open the AC power entry module to change a
fuse or change AC voltage setting
How to convert a system used on 60Hz to 50Hz
current
How to add an EQ jack
How to modify the "Voice
Out" jack to pick up both microphones
How to install a transformer hum shield in an
early AC-201
How to install a 4 voltage power
transformer
How to replace a
2 voltage primary power transformer with a 4 voltage transformer
How to access and replace a defective I.C.
on the main circuit board
How to access and replace
defective microphone protection diodes
 Contact
Information
For a complete information package contact Dick
Henschel 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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