Yamaha RX-V740 Service Manual (English)

Other manuals for Yamaha RX-V740

Questions and Answers:

J
James SmithSep 4, 2025
Why is there no sound from the center speaker of my Yamaha Receiver?
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  Barbara JohnstonSep 4, 2025
  If you're not getting any sound from the center speaker of your Yamaha Receiver, check these potential causes: * Ensure the output level of the center speaker is not set to minimum. Raise the level if necessary. * Verify that “SOUND 1A CENTER” on the set menu is not set to NON. Select the appropriate mode for your center speaker. * If one of the Hi-Fi DSP programs (1 to 4) is selected (except for 6ch Stereo), select another DSP program.
M
Michael DiazSep 5, 2025
Why is there no sound from the effect speakers of my Yamaha RX-V740?
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  Gina BakerSep 5, 2025
  If you're not hearing any sound from the effect speakers on your Yamaha Receiver, check the following: * Ensure the sound effect is turned on by pressing STEREO/EFFECT. * If using a Dolby Surround, Dolby Digital, or DTS decoding DSP program, make sure the material is encoded with Dolby Surround, Dolby Digital, or DTS. If not, select another DSP program.
G
Gina CarterSep 7, 2025
Why is there no sound from the rear speakers of my Yamaha RX-V740 Receiver?
- L
  Laura PenaSep 7, 2025
  If there's no sound coming from the rear speakers of your Yamaha Receiver, check these potential issues: * Ensure the output level of the rear speakers is not set to minimum. Increase the level if necessary. * If playing a monaural source, avoid using program 9. Select another DSP program.
A
Ashley WadeSep 8, 2025
What causes continuous crackling and hissing noises on Yamaha Receiver?
- A
  Alexandria LewisSep 8, 2025
  Continuous crackling and hissing noises on your Yamaha Receiver can result from lightning, fluorescent lamps, motors, thermostats, and other electrical equipment. Using an outdoor antenna and a ground wire may help, but it's difficult to eliminate all noise.
L
Luis LaneSep 9, 2025
How to fix Yamaha RX-V740 that does not operate properly?
- Z
  Zachary GrahamSep 9, 2025
  If your Yamaha Receiver is not operating properly, the internal microcomputer may have frozen due to an external electric shock or a power supply with low voltage. Disconnect the AC power cord from the outlet and plug it back in after about 30 seconds.

Yamaha RX-V740 Specifications

General

Type	AV Receiver
Channels	6.1
Amplifier Type	Discrete
Total Harmonic Distortion (THD)	0.06%
Input Sensitivity	200 mV
Input Impedance	47 kOhms
Signal to Noise Ratio	100 dB
Frequency Response	10 Hz - 100 kHz
Digital Inputs	3 x Optical, 2 x Coaxial
Video Connections	Composite, S-Video, Component
Video Outputs	Composite, S-Video
Surround Sound Modes	Dolby Digital, DTS, Dolby Pro Logic II
Power Output	100 watts per channel (8 ohms, 20 Hz - 20 kHz, 0.06% THD)