Why is the sound degraded on my Yamaha Stereo Receiver with headphones?
If the sound is degraded when listening with headphones connected to the CD player or tape deck connected to your Yamaha Stereo Receiver, ensure that the power of the unit is turned on.
What to do if my Yamaha Stereo Receiver has no sound?
If you're experiencing no sound from your Yamaha Stereo Receiver, first, ensure all input and output cables are correctly connected; if the problem persists, the cables may be defective. Next, select the appropriate input source using the INPUT selector on the front panel or the remote control. Also, verify that the SPEAKERS A/B switches are properly set and speaker connections are secure.
Why is there no sound coming from my Yamaha RX-797 Stereo Receiver?
If there's no sound from your Yamaha Stereo Receiver, check all input and output cable connections to ensure they are properly connected. If the problem persists, the cables might be defective. Make sure you've selected the appropriate input source using the INPUT selector on the front panel or the remote control. Verify that the SPEAKERS A/B switches are correctly set. Also, ensure that your speaker connections are secure.
Why does my Yamaha Stereo Receiver have no bass and ambience?
If you're experiencing a lack of bass and no ambience with your Yamaha Stereo Receiver, ensure that the + and – wires are connected correctly at both the amplifier and the speakers. Connect the speaker wires to the correct + and – phase.
Why does my Yamaha RX-797 have crackling and hissing noises?
If you are experiencing continuous crackling and hissing noises on your Yamaha Stereo Receiver, the noises may result from lightning, fluorescent lamps, motors, thermostats, or other electrical equipment. Try using an outdoor antenna and a ground wire. This may help somewhat, but it is difficult to eliminate all noise.
Why can't I tune into a station with my Yamaha Stereo Receiver?
If the desired station cannot be tuned in with the automatic tuning method on your Yamaha Stereo Receiver, it may be due to a weak signal or loose antenna connections. Tighten the AM loop antenna connections and orient it for the best reception. You can also try using the manual tuning method.
Why the desired station cannot be tuned in with the automatic tuning method (AM) on Yamaha Stereo Receiver?
If the desired station cannot be tuned in with the automatic tuning method (AM) on your Yamaha Stereo Receiver, the signal may be weak or the antenna connections may be loose. Tighten the AM loop antenna connections and orient it for the best reception. You can also try using the manual tuning method.
Why are there continuous crackling and hissing noises on Yamaha Stereo Receiver?
If you are experiencing continuous crackling and hissing noises on your Yamaha Stereo Receiver, the noises may result from lightning, fluorescent lamps, motors, thermostats, or other electrical equipment. Try using an outdoor antenna and a ground wire, but note that it is difficult to eliminate all noise.
Why don't bass, treble, balance and loudness controls work on Yamaha RX-797?
If using the BASS, TREBLE, BALANCE, and LOUDNESS controls does not affect the tonal quality on your Yamaha Stereo Receiver, the CD DIRECT AMP or the PURE DIRECT button may be turned on. Turn off the CD DIRECT AMP or the PURE DIRECT button to use those controls.
Why is a “humming” sound can be heard on Yamaha RX-797?
If you hear a “humming” sound from your Yamaha Stereo Receiver, ensure the audio plugs are firmly connected and that the cables are not defective. If you're using a turntable, make the GND connection between the turntable and the unit.
Identifies and emphasizes components requiring exact specification replacement.
Procedure to verify insulation and safety after servicing.
Illustration of the RAX100 remote control layout.
Illustration of the RAX101 remote control layout.
Illustration of the RAX17 remote control layout.
Illustration of the RAX18 remote control layout.
Output power, damping factor, input sensitivity, and tone control specifications.
Video signal types, levels, and frequency response characteristics.
Tuning range, sensitivity, selectivity, and signal-to-noise ratio for FM reception.
Tuning range, sensitivity, and signal-to-noise ratio for AM reception.
Power supply, power consumption, and AC outlet specifications.
Controls initialization of backup RAM, including protection history management.
Displays information related to XM Radio data reception.
Displays past protection triggers and their causes.
Shows microprocessor version, checksum, and software module status.
Pinout details for the display module's connections.
Mapping of display segments to input signals.
Connections related to the display's anode structure.
Pinout details for integrated circuits used in the unit.
Pinout and identification for various diodes.
Pinout and identification for various transistors.
Pinout and identification for field-effect transistors.
List of electronic components like capacitors, resistors, ICs, and transistors.
Detailed list of carbon resistors with various wattage types.
Circuit diagram for the RAX100/RAX101 remote controls.
Table of IR codes for various functions on the remote controls.
Circuit diagram for the RAX17 remote control.
List of IR command codes for the RAX17 remote.
Circuit diagram for the RAX18 remote control.
List of IR command codes for the RAX18 remote.
General| Impedance | 8 ohms |
|---|---|
| Signal-to-Noise Ratio | 100 dB (CD) |
| Speaker Load Impedance | 4 ohms to 16 ohms |
| Tuner Section | FM/AM |
| Power Output | 100W per channel (8 ohms, 20Hz-20kHz, 0.015% THD) |
| Frequency Response | 10 Hz-100 kHz +0, -3 dB |
| Total Harmonic Distortion | 0.015% |
| Tuning Range | FM |
| Input Sensitivity | 200mV (line) |
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