Harman Kardon AVR500 Service Manual page 22

Models: AVR300, AVR500
Model Serial Number
120V
AVR300 TH0001-01000
To
TH0001-08402
AVR500 TH0002-01000
To
TH0002-05565
AVR300 TH0001-08403
Or higher
AVR500 TH0002-05566
Or higher
Serial Number
230V RDS
TH0005-01000
To
Volume level changes by
TH0005-01001 itself or when volume
TH0006-01000
To
TH0006-01001
TH0005-01002
Or higher
TH0006-01002
Or higher
22
Subject: Volume Level Changes
STATUS
knob is tapped
Modified by factory
ACTION
Change VR901
Rotary encoder
NONE REQUIRED