Harman Kardon AVR 235 (serv.man12) Service Manual ▷ View online
REAR PANEL CONNECTIONS
Rear Panel Connections
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#
$
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AM Antenna
FM Antenna
Tape Inputs
Tape Outputs
Subwoofer Output
DVD Audio Inputs
CD Inputs
Video 1 Audio Outputs
Preamp Outputs
8-Channel Direct Inputs
Digital Audio Outputs
Video Monitor Outputs
FM Antenna
Tape Inputs
Tape Outputs
Subwoofer Output
DVD Audio Inputs
CD Inputs
Video 1 Audio Outputs
Preamp Outputs
8-Channel Direct Inputs
Digital Audio Outputs
Video Monitor Outputs
DVD Video Inputs
Front Speaker Outputs
Center Speaker Outputs
Surround Speaker Outputs
Switched AC Accessory Outlet
Unswitched AC Accessory Outlet
AC Power Cord
Video 2 Component Video Inputs
Component Video Outputs
DVD Component Video Inputs
Remote IR Output
Remote IR Input
Front Speaker Outputs
Center Speaker Outputs
Surround Speaker Outputs
Switched AC Accessory Outlet
Unswitched AC Accessory Outlet
AC Power Cord
Video 2 Component Video Inputs
Component Video Outputs
DVD Component Video Inputs
Remote IR Output
Remote IR Input
Surround Back Speaker Outputs
Video 1 Video Outputs
Video 1 Video Inputs
Video 2 Video Outputs
Video 3 Video Inputs
Video 2 Video Inputs
Optical Digital Inputs
Coaxial Digital Inputs
Video 2 Audio Outputs
Video 2 Audio Inputs
Video 3 Audio Inputs
Video 1 Audio Inputs
Video 1 Video Outputs
Video 1 Video Inputs
Video 2 Video Outputs
Video 3 Video Inputs
Video 2 Video Inputs
Optical Digital Inputs
Coaxial Digital Inputs
Video 2 Audio Outputs
Video 2 Audio Inputs
Video 3 Audio Inputs
Video 1 Audio Inputs
NOTE: To assist in making the correct connec-
tions for multichannel input/output and speaker
connections, all connection jacks and terminals
have been color coded in conformance with the
latest CEA standards as follows:
Front Left:
tions for multichannel input/output and speaker
connections, all connection jacks and terminals
have been color coded in conformance with the
latest CEA standards as follows:
Front Left:
White
Front Right:
Red
Center:
Green
Surround Left:
Blue
Surround Right:
Gray
Surround Back Left:
Brown
Surround Back Right:
Tan
Subwoofer (LFE):
Purple
Digital Audio:
Orange
Composite Video:
Yellow
Component Video “Y”:
Green
Component Video “Pr”:
Red
Component Video “Pb”: Blue
AM Antenna: Connect the AM loop antenna
supplied with the receiver to these terminals. If an
external AM antenna is used, make connections to
the AM and GND terminals in accordance with
the instructions supplied with the antenna.
supplied with the receiver to these terminals. If an
external AM antenna is used, make connections to
the AM and GND terminals in accordance with
the instructions supplied with the antenna.
FM Antenna: Connect the supplied indoor or
an optional external FM antenna to this terminal.
an optional external FM antenna to this terminal.
Tape Inputs: Connect these jacks to the
PLAY/OUT jacks of an audio recorder.
PLAY/OUT jacks of an audio recorder.
Tape Outputs: Connect these jacks to the
RECORD/INPUT jacks of an audio recorder.
RECORD/INPUT jacks of an audio recorder.
Subwoofer Output: Connect this jack to
the line-level input of a powered subwoofer. If an
external subwoofer amplifier is used, connect this
jack to the subwoofer amplifier input.
the line-level input of a powered subwoofer. If an
external subwoofer amplifier is used, connect this
jack to the subwoofer amplifier input.
DVD Audio Inputs: Connect these jacks to
the analog audio jacks on a DVD or other audio
or video source.
the analog audio jacks on a DVD or other audio
or video source.
CD Inputs: Connect these jacks to the
analog output of a compact disc player or CD
changer or any other audio source.
analog output of a compact disc player or CD
changer or any other audio source.
Video 1 Audio Outputs: Connect these
jacks to the RECORD/INPUT audio jacks on
a VCR or any other Audio recorder.
jacks to the RECORD/INPUT audio jacks on
a VCR or any other Audio recorder.
Preamp Outputs: Connect these jacks to
an optional, external power amplifier for applica-
tions where higher power is desired.
an optional, external power amplifier for applica-
tions where higher power is desired.
8-Channel Direct Inputs: These jacks are
used for connection to source devices such as
DVD-Audio or SACD players with discrete analog
outputs. Depending on the source device in use,
all eight jacks may be used, though in many
cases only connections to the front left/right,
center, surround left/right and LFE (subwoofer
input) jacks will be used for standard 5.1 audio
signals.
used for connection to source devices such as
DVD-Audio or SACD players with discrete analog
outputs. Depending on the source device in use,
all eight jacks may be used, though in many
cases only connections to the front left/right,
center, surround left/right and LFE (subwoofer
input) jacks will be used for standard 5.1 audio
signals.
Digital Audio Outputs: Connect these
jacks to the matching digital input connector on
a digital recorder such as a CD-R or MiniDisc
recorder.
jacks to the matching digital input connector on
a digital recorder such as a CD-R or MiniDisc
recorder.
22199_AVR235_Eng 14/12/04 14:14 Side 7
REAR PANEL CONNECTIONS
Rear Panel Connections
Video Monitor Outputs: Connect this jack
to the composite and/or S-Video input of a TV
monitor or video projector to view the on-screen
menus and the output of any standard Video or
S-Video source selected by the receiver’s video
switcher.
to the composite and/or S-Video input of a TV
monitor or video projector to view the on-screen
menus and the output of any standard Video or
S-Video source selected by the receiver’s video
switcher.
DVD Video Inputs: Connect these jacks to
the composite or S-Video output jacks on a DVD
player or other video source.
the composite or S-Video output jacks on a DVD
player or other video source.
Front Speaker Outputs: Connect these
outputs to the matching + or – terminals on
your left and right speakers. In conformance with
the new CEA color code specification, the White
terminal is the positive, or "+" terminal that
should be connected to the red (+) terminal on
Front Left speaker with the older color coding,
while the Red terminal is the positive, or "+"
terminal that should be connected to the red (+)
terminal on Front Right speaker. Connect the
black (–) terminals on the AVR to the black (–)
terminals on the speakers. See page 12 for more
information on speaker polarity.
outputs to the matching + or – terminals on
your left and right speakers. In conformance with
the new CEA color code specification, the White
terminal is the positive, or "+" terminal that
should be connected to the red (+) terminal on
Front Left speaker with the older color coding,
while the Red terminal is the positive, or "+"
terminal that should be connected to the red (+)
terminal on Front Right speaker. Connect the
black (–) terminals on the AVR to the black (–)
terminals on the speakers. See page 12 for more
information on speaker polarity.
Center Speaker Outputs: Connect these
outputs to the matching + and – terminals on
your center channel speaker. In conformance
with the new CEA color code specification, the
Green Terminal is the positive, or "+" terminal
that should be connected to the red (+) terminal
on speakers with the older color coding. Connect
the black (–) terminal on the AVR to the black
negative (–) terminal on your speaker. (See page
12 for more information on speaker polarity.)
outputs to the matching + and – terminals on
your center channel speaker. In conformance
with the new CEA color code specification, the
Green Terminal is the positive, or "+" terminal
that should be connected to the red (+) terminal
on speakers with the older color coding. Connect
the black (–) terminal on the AVR to the black
negative (–) terminal on your speaker. (See page
12 for more information on speaker polarity.)
Surround Speaker Outputs: Connect
these outputs to the matching + and – terminals
on your surround channel speakers. In confor-
mance with the new CEA color code specifica-
tion, the Blue terminal is the positive, or "+"
terminal that should be connected to the red (+)
terminal on the Surround Left speaker with older
color coding, while the Gray terminal should be
connected to the red (+) terminal on the
Surround Right speaker with the older color
coding. Connect the black (–) terminal on the
AVR to the matching black negative (–)
terminals for each surround speaker. (See page
12 for more information on speaker polarity.)
these outputs to the matching + and – terminals
on your surround channel speakers. In confor-
mance with the new CEA color code specifica-
tion, the Blue terminal is the positive, or "+"
terminal that should be connected to the red (+)
terminal on the Surround Left speaker with older
color coding, while the Gray terminal should be
connected to the red (+) terminal on the
Surround Right speaker with the older color
coding. Connect the black (–) terminal on the
AVR to the matching black negative (–)
terminals for each surround speaker. (See page
12 for more information on speaker polarity.)
Switched AC Accessory Outlet: This
outlet may be used to power any device that you
wish to have turn on when the AVR is turned on
with the System Power Control switch 2.
outlet may be used to power any device that you
wish to have turn on when the AVR is turned on
with the System Power Control switch 2.
Unswitched AC Accessory Outlet: This
outlet may be used to power any AC device. The
power will remain on at this outlet regardless of
whether the AVR is on or off (in Standby), pro-
vided that the Main Power switch 1 is on.
outlet may be used to power any AC device. The
power will remain on at this outlet regardless of
whether the AVR is on or off (in Standby), pro-
vided that the Main Power switch 1 is on.
Note: The total power consumption of all
devices connected to the accessory outlets
should not exceed 100 watts from the
Unswitched Outlet
devices connected to the accessory outlets
should not exceed 100 watts from the
Unswitched Outlet
and 50 W from the
Switched Outlet
.
AC Power Cord: Connect the AC plug to an
unswitched AC wall output.
unswitched AC wall output.
Video 2 Component Video Inputs:
Connect the Y/Pr/Pb component video outputs of
an HDTV Set-top convertor, satellite receiver, or
other video source device with component video
outputs to these jacks.
Connect the Y/Pr/Pb component video outputs of
an HDTV Set-top convertor, satellite receiver, or
other video source device with component video
outputs to these jacks.
Monitor Component Video Outputs:
Connect these outputs to the component video
inputs of a video projector or monitor. When a
source connected to one of the two
Component Video Inputs
Connect these outputs to the component video
inputs of a video projector or monitor. When a
source connected to one of the two
Component Video Inputs
is selected
the signal will be sent to these jacks.
DVD Component Video Inputs: Connect
the Y/Pr/Pb component video outputs of a DVD
player to these jacks.
the Y/Pr/Pb component video outputs of a DVD
player to these jacks.
Note: All component inputs/outputs can be
used for RGB signals too, in the same way as
described for the Y/Pr/Pb signals, then connected
to the jacks with the corresponding color.
RGB connection is not possible if the source out-
puts a separate sync signal (see page 13).
used for RGB signals too, in the same way as
described for the Y/Pr/Pb signals, then connected
to the jacks with the corresponding color.
RGB connection is not possible if the source out-
puts a separate sync signal (see page 13).
Remote IR Output: This connection permits
the IR sensor in the receiver to serve other
remote controlled devices. Connect this jack to
the “IR IN” jack on Harman Kardon or other
compatible equipment.
the IR sensor in the receiver to serve other
remote controlled devices. Connect this jack to
the “IR IN” jack on Harman Kardon or other
compatible equipment.
Remote IR Input: If the AVR’s front-panel
IR sensor is blocked due to cabinet doors or
other obstructions, an external IR sensor may
be used. Connect the output of the sensor to
this jack.
IR sensor is blocked due to cabinet doors or
other obstructions, an external IR sensor may
be used. Connect the output of the sensor to
this jack.
Surround Back Speaker Outputs: These
speaker terminals are used to power the
surround back left/surround back right speakers
in a 7.1 channel system. In normal surround
system use, the brown and black terminals are
the surround back left channel positive (+) and
negative (–) connections and the tan and black
terminals are the surround back right positive
(+) and negative (–) terminals.
speaker terminals are used to power the
surround back left/surround back right speakers
in a 7.1 channel system. In normal surround
system use, the brown and black terminals are
the surround back left channel positive (+) and
negative (–) connections and the tan and black
terminals are the surround back right positive
(+) and negative (–) terminals.
Video 1 Video Outputs: Connect these
jacks to the RECORD/INPUT composite or
S-Video jack on a VCR.
jacks to the RECORD/INPUT composite or
S-Video jack on a VCR.
Video 1 Video Inputs: Connect these jacks
to the PLAY/OUT composite or S-Video jacks on
a VCR or other video source.
to the PLAY/OUT composite or S-Video jacks on
a VCR or other video source.
Video 2 Video Outputs: Connect these
jacks to the RECORD/INPUT composite or
S-Video jacks on a second VCR.
jacks to the RECORD/INPUT composite or
S-Video jacks on a second VCR.
Video 3 Video Inputs: Connect these jacks
to the PLAY/OUT composite or S-Video jacks on
any video source.
to the PLAY/OUT composite or S-Video jacks on
any video source.
Video 2 Video Inputs: Connect these jacks
to the PLAY/OUT composite or S-Video jacks on
a second VCR or other video source.
to the PLAY/OUT composite or S-Video jacks on
a second VCR or other video source.
Optical Digital Inputs: Connect the
optical digital output from a DVD player, HDTV
receiver, the output of a compatible computer
sound card playing MP3 files or streams, LD
player, MD player or CD player to these jacks.
The signal may be either a Dolby Digital signal, a
DTS signal, a 2 channel MPEG 1 signal, or a
standard PCM digital source.
optical digital output from a DVD player, HDTV
receiver, the output of a compatible computer
sound card playing MP3 files or streams, LD
player, MD player or CD player to these jacks.
The signal may be either a Dolby Digital signal, a
DTS signal, a 2 channel MPEG 1 signal, or a
standard PCM digital source.
! Coaxial Digital Inputs: Connect the coax
digital output from a DVD player, HDTV receiver,
the output of a compatible computer sound card
playing MP3 files or streams, LD player, MD
player or CD player to these jacks. The signal
may be either a Dolby Digital signal, DTS signal,
a 2 channel MPEG 1 signal, or a standard PCM
digital source. Do not connect the RF digital out-
put of an LD player to these jacks.
digital output from a DVD player, HDTV receiver,
the output of a compatible computer sound card
playing MP3 files or streams, LD player, MD
player or CD player to these jacks. The signal
may be either a Dolby Digital signal, DTS signal,
a 2 channel MPEG 1 signal, or a standard PCM
digital source. Do not connect the RF digital out-
put of an LD player to these jacks.
" Video 2 Audio Outputs: Connect these
jacks to the RECORD/INPUT audio jacks on a
VCR or any Audio recorder.
jacks to the RECORD/INPUT audio jacks on a
VCR or any Audio recorder.
# Video 2 Audio Inputs: Connect these jacks
to the PLAY/OUT audio jacks on a second VCR
or other audio or video source.
to the PLAY/OUT audio jacks on a second VCR
or other audio or video source.
$ Video 3 Audio Inputs: Connect these jacks
to the PLAY/OUT audio jacks on any audio or
video source.
to the PLAY/OUT audio jacks on any audio or
video source.
% Video 1 Audio Inputs: Connect these jacks
to the PLAY/OUT audio jacks on a VCR or other
audio or video source.
to the PLAY/OUT audio jacks on a VCR or other
audio or video source.
22199_AVR235_Eng 14/12/04 14:14 Side 8
OPERATION
Operation
Surround Mode Chart
MODE
FEATURES
DELAY TIME RANGE
DOLBY DIGITAL
Available only with digital input sources encoded with Dolby Digital data. It provides
Center: 0 - 30ft / 9m
up to five separate main audio channels and a special dedicated Low Frequency Effects
Initial Setting: 12ft / 3.6m
channel.
Surround: 0 - 30ft / 9m
Initial Setting: 10ft / 3m
Initial Setting: 10ft / 3m
DOLBY DIGITAL EX
Available when the receiver is configured for 6.1/7.1 channel operation, Dolby Digital EX is the
Center: 0 - 30ft / 9m
latest version of Dolby Digital. When used with movies or other programs that have special
Initial Setting: 12ft / 3.6m
encoding, Dolby Digital EX reproduces specially encoded soundtracks so that a full 6.1/7.1
Surround: 0 - 30ft / 9m
soundfield is available. When the receiver is set for 6.1/7.1 operation and a Dolby Digital signal is
Initial Setting: 10ft / 3m
present, the EX mode is automatically selected. Even if specific EX encoding is not available to
Surround Back: 0 - 30ft / 9m
provide the additional channel, the special algorithms will derive a 6.1/7.1 output.
Initial Setting: 10ft / 3m
DTS 5.1
When the speaker configuration is set for 5.1-channel operation, the DTS 5.1 mode is
Delay time not adjustable
available when DVD, audio-only music or laserdiscs encoded with DTS data are played.
DTS 5.1 provides up to five separate main audio channels and a special dedicated
low-frequency channel.
DTS 5.1 provides up to five separate main audio channels and a special dedicated
low-frequency channel.
DTS-ES 6.1 Matrix
When the speaker configuration is set for 6.1/7.1 operation, playback of a DTS-encoded program
Delay time not adjustable
DTS-ES 6.1 Discrete
source will automatically trigger the selection of one of the two DTS-ES modes. Newer discs with
special DTS-ES discrete encoding will be decoded to provide six discrete, full-bandwidth channels
plus a separate low-frequency channel. All other DTS discs will be decoded using the DTS-ES Matrix
mode, which creates a 6.1-channel sound field from the original 5.1-channel soundtrack.
special DTS-ES discrete encoding will be decoded to provide six discrete, full-bandwidth channels
plus a separate low-frequency channel. All other DTS discs will be decoded using the DTS-ES Matrix
mode, which creates a 6.1-channel sound field from the original 5.1-channel soundtrack.
DOLBY PRO LOGIC II
Dolby Pro Logic II is the latest version of Dolby Laboratory’s benchmark surround technology
Center: 0 - 30ft / 9m
MOVIE
that decodes full-range, discrete left, center right, right surround and left surround channels
Initial Setting: 12ft / 3.6m
MUSIC
from matrix surround encoded programs and conventional stereo sources when
Surround: 0 - 30ft / 9m
EMULATION
an analog input or a digital input with PCM or Dolby Digital 2.0 recordings is in use. The
Initial Setting: 10ft / 3m
Dolby Pro Logic II Movie mode is optimized for movie soundtracks that are recorded with matrix
surround, by creating separate center, rear left and rear right signals. while the Pro Logic II Music
mode should be used with musical selections that are recorded with matrix surround or even with
normal stereo mode, creating separate rear left and rear right signals in any case.
The Pro Logic II Emulation mode creates compelling five-channel surround sound from
conventional stereo recordings.
surround, by creating separate center, rear left and rear right signals. while the Pro Logic II Music
mode should be used with musical selections that are recorded with matrix surround or even with
normal stereo mode, creating separate rear left and rear right signals in any case.
The Pro Logic II Emulation mode creates compelling five-channel surround sound from
conventional stereo recordings.
DOLBY PRO LOGIC IIx Dolby Pro Logic IIx is the latest extension of Dolby Pro Logic II technology that creates a discrete
Center: 0 - 30ft / 9m
MUSIC
6.1 and 7.1 sound field from matrix surround or two-channel stereo sources in systems
Initial Setting: 12ft / 3.6m
MOVIE
configured for surround back speakers. Both Movie and Music versions of Pro Logic IIx are
Surround: 0 - 30ft / 9m
available. These modes may also be applied to a six-channel source connected to the
Initial Setting: 10ft / 3m
8-Channel Direct Inputs
so that the sound field is enhanced by adding back surround
channels.
Logic 7 Cinema
Exclusive to Harman Kardon for AV receivers, Logic 7 is an advanced mode that extracts the
Delay time not adjustable
Logic 7 Music
maximum surround information from either surround-encoded programs or conventional stereo
Logic 7 Enhance
material. Depending on the number of speakers in use and the selection made in the
SURROUND
SELECT
menu, the “5.1” versions of Logic 7 modes are available when the 5.1 option is chosen,
while the “7.1” versions of Logic 7 produce a full sound field presentation, including back surround
speakers when the “6.1/7.1” option is chosen. The Logic 7 C (or Cinema) mode should be used
with any source that contains Dolby Surround or similar matrix encoding. Logic 7 C delivers
increased center-channel intelligibility, and more accurate placement of sounds with fades and pans
that are much smoother and more realistic than with former decoding techniques. The Logic 7 M or
Music mode should be used with analog or PCM stereo sources. Logic 7 M enhances the listening
experience by presenting a wider front soundstage and greater rear ambience. Both Logic 7 modes
also direct low-frequency information to the subwoofer (if installed and configured) to deliver
maximum bass impact. The Logic 7 E (or Enhance) mode is an extension of the Logic 7 modes that is
primarily used with musical programs and is available with the 5.1 surround mode option selected
only. Logic 7 E adds additional bass enhancement that circulates low frequencies in the 40Hz to 120Hz
range to the front and surround speakers to deliver a less localized soundstage that appears broader
and wider than when the subwoofer is the sole source of bass energy.
speakers when the “6.1/7.1” option is chosen. The Logic 7 C (or Cinema) mode should be used
with any source that contains Dolby Surround or similar matrix encoding. Logic 7 C delivers
increased center-channel intelligibility, and more accurate placement of sounds with fades and pans
that are much smoother and more realistic than with former decoding techniques. The Logic 7 M or
Music mode should be used with analog or PCM stereo sources. Logic 7 M enhances the listening
experience by presenting a wider front soundstage and greater rear ambience. Both Logic 7 modes
also direct low-frequency information to the subwoofer (if installed and configured) to deliver
maximum bass impact. The Logic 7 E (or Enhance) mode is an extension of the Logic 7 modes that is
primarily used with musical programs and is available with the 5.1 surround mode option selected
only. Logic 7 E adds additional bass enhancement that circulates low frequencies in the 40Hz to 120Hz
range to the front and surround speakers to deliver a less localized soundstage that appears broader
and wider than when the subwoofer is the sole source of bass energy.
22199_AVR235_Eng 14/12/04 14:14 Side 26
TROUBLESHOOTING GUIDE
Troubleshooting Guide
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.
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.
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 includ-
ing tuner presets, output level settings, delay
times and speaker configuration data, first put
the unit in Standby by pressing the System
Power Control button 2. Next press and hold
the Tone Mode button 8 for three seconds.
ing tuner presets, output level settings, delay
times and speaker configuration data, first put
the unit in Standby by pressing the System
Power Control button 2. Next press and hold
the Tone Mode button 8 for three seconds.
The unit will turn on automatically. Note that
once you have cleared the memory in this manner,
it is necessary to re-establish all system configura-
tion settings and tuner presets.
once you have cleared the memory in this manner,
it is necessary to re-establish all system configura-
tion settings and tuner presets.
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.
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.
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.
an authorized Harman Kardon service depot.
SYMPTOM
CAUSE
SOLUTION
Unit does not function when Main
• No AC Power
• Make certain AC power cord is plugged
Power Switch 1 is pushed
into a live outlet
• Check to see if outlet is switch controlled
Display lights, but no sound
• Intermittent input connections
• Make certain that all input and speaker
or picture
connections are secure
• Mute is on
• Press Mute button
(
• Volume control is down
• Turn up volume control
Units turns on, but Front-Panel
• Display brightness is turned off
• Follow the instructions in the Display Brightness section
Display does not light
on page 34 so that the display is set to VFD FULL
No sound from any speaker;
• Amplifier is in protection mode
• Check speaker-wire connections for shorts at receiver
light around Power switch 2 is red
due to possible short
and speaker ends
• Amplifier is in protection mode
• Contact your local Harman Kardon service depot
due to internal problems
No sound from surround or
• Incorrect surround mode
• Select a mode other than Stereo
center speakers
• Input is mono
• There is no surround information from mono sources (except with
Theater and Hall surround modes)
• Incorrect configuration
• Check speaker mode configuration
• Stereo or Mono program material
• Some surround modes may not create rear-channel information
from nonencoded programs
Unit does not respond to
• Weak batteries in remote
• Change remote batteries
remote commands
• Wrong device selected
• Press the AVR Selector
5
• Remote sensor ¯ is obscured
• Make certain front-panel sensor is visible to remote or
connect remote sensor
Intermittent buzzing in tuner
• Local interference
• Move unit or antenna away from computers, fluorescent lights,
motors or other electrical appliances
Letters flash in the Channel Indicator
• Digital audio feed paused
• Resume play for DVD
Display $ and Digital Audio stops
• Check that Digital Signal is fed to the Digital Input selected
22199_AVR235_Eng 14/12/04 14:14 Side 42
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