Processor Reset - Harman Kardon AVR 260 Service Manual

harman/kardon
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SYMPTOM
Unit does not function when Main
Power Switch 0 is pushed
Display lights, but no sound or
picture
No sound from any speaker;
Protect Warning in Display
No sound from surround or center
speakers
Unit does not respond to remote
commands
Intermittent buzzing in tuner
Letters flash in the Channel
Indicator Display D and Digital
Audio stops
No picture or on-screen
information on the TV screen

processor reset

In the rare case where the unit's operation or the displays seem abnormal,
the cause may involve the erratic operation of the system's memory or
microprocessor.
To correct this problem, first unplug the unit from the AC wall outlet and wait
at least three minutes. After the pause, reconnect the AC power cord and
check the unit's operation. If the system still malfunctions, a system reset may
clear the problem.
To clear the AVR's entire system memory including tuner presets, output
level settings, delay times and speaker configuration data, first put the unit
in Standby by pressing the System Power Control button 1. Next press and
hold the OK button 5 for five seconds.
The unit will turn on automatically and show the word RESET in the Display
for a few seconds. Then it reverts to normal ON status. Note that once you
have cleared the memory in this manner, it is necessary to re- establish all
system configuration settings and tuner presets.
48
CAUSE
• No AC Power
Intermittent input connections
•
Mute is on
•
• Volume control is down
• Amplifier is in protection mode due to
possible short
• Amplifier is in protection mode due to
internal problems
• Incorrect surround mode
Input is mono
•
• Incorrect configuration
• Stereo or Mono program material
• Weak batteries in remote
Wrong device selected
•
• Remote sensor N is obscured
• Local interference
Digital audio feed paused
•
AVR Resolution to Display is not correct, too
•
high or too low.
SOLUTION
• Make certain AC power cord is plugged into a live outlet
Check to see if outlet is switch controlled
•
Make certain that all input and speaker connections are secure
•
Press Mute button
•
Q
• Turn up volume control
• Check speaker-wire connections for shorts at receiver and speaker
ends
• Contact your local Harman Kardon service depot
• Select a mode other than Stereo
There is no surround information from mono sources (except with
•
Theater and Hall surround modes)
Check speaker mode configuration
•
• Some surround modes may not create rear-channel information from
nonencoded programs
• Change remote batteries
Press the AVR Selector
•
W
• Make certain front-panel sensor is visible to remote or connect
remote sensor
• Move unit or antenna away from computers, fluorescent lights,
motors or other electrical appliances
Resume play for DVD /Blu-ray
•
• Check that Digital Signal is fed to the Digital Input selected
Select correct Resolution as described on
•
Display"
NOTE: Resetting the processor will erase any configuration settings you have
made for speakers, output levels, surround modes, digital input assignments
as well as the tuner presets. After a reset the unit will be returned to the
factory presets, and all settings for these items must be reentered.
If the system is still operating incorrectly, there may have been an electronic
discharge or severe AC line interference that has corrupted the memory or
microprocessor.
If these steps do not solve the problem, consult an authorized Harman Kardon
service depot.
AVR 260/230 Service Manual
page 19 "Resolution To
Page 10 of 131