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Troubleshooting tips
Receiver/Tuner Operation
STEREO indicator is off.
• Adjust the antenna.
• The signal is too weak. Connect an external
antenna.
• The signal is Mono.
Severe hum or noise.
• The signal is too weak. Connect an external
antenna.
• Adjust the antenna.
Remote Control Operation
The remote control does not operate the unit.
• Another function is selected on the remote. Press
the correct function button.
• No batteries installed. (Included with your system)
Install the batteries before attempting to operate
the remote. Be sure to match the + and - ends of
each battery to the symbols shown in the remote
battery compartment.
• The batteries are exhausted. Replace all batteries.
• The remote is not pointed at the remote control
sensor on the main unit or there is an obstacle
between the remote and the main unit.
• The remote control is too far from the main unit.
• Move closer.
General
No audio.
• Make sure the MUTE indicator on the front panel
is off.
• Make sure the speakers are turned on.
• Check the connections.
• Check the power cord connection.
No audio from one channel.
• Adjust the balance control.
• Check the speaker wire connection or connecting
cable. Noise when the TV is turned on.
• The TV is too close to the audio system.
Specific instruments sound displaced.
• Check the connection between the receiver and
the speakers.
The sound does not match the video.
• Press the function button for the video source.
Care and Maintenance
Cleaning the Exterior
• Disconnect the system from AC power before
cleaning the exterior of the system with a soft dust
cloth.
Equipment Specifications
AMPLIFIER SECTION
Left/Center/Right (at 8
Ω):
RV-9968 20 watts/20 watts/20 watts
RV-9978 50 watts/50 watts/50 watts
0.9% THD @ 1 KHz
Rear Surround (at 16
Ω):
RV-9968 10 watts/10 watts
RV-9978 25 watts/25 watts
1.0% THD @ 1 KHz
Muting Attenuation: 50dB
Frequency Response 40-20 kHz +/– 3 dB
VIDEO SECTION
Input (Sensitivity/Impedance): 1 Vp-p/75 Ω
Output (Level/Impedance): 1 Vp-p/75 Ω
Frequency Response: 10 Hz to 6MHz at +/- 3 dB
Signal to Noise Ratio: 40 dB
Crosstalk @ 3.58 MHz: 40 dB
AM TUNER SECTION
Frequency Response: 80 Hz -2 kHz +/– 6 dB
Usable Sensitivity: 800 uV/m @ S/N 20 dB
Signal to Noise : 38 dB
Image Ratio: 27 dB @ 1000 kHz
IF Rejection: 35 dB
FM TUNER SECTION
Frequency Response: 40 Hz-15 kHz +/– 3 dB
Quieting 24 dBu
Signal to Noise: 60 dB (stereo)/65 dB(mono)
Image Ratio: 40 dB
IF Rejection: 50 dB
Specifications are based on nominal measurements.