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Yamaha RX-797

AM/FM Stereo Receiver (2005-10)

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Yamaha RX-797


Tuning range: FM, MW

Power output: 100 watts per channel into 8Ω (stereo)

Frequency response: 10Hz to 100kHz

Total harmonic distortion: 0.019%

Damping factor: 240

Input sensitivity: 2.5mV (MM), 200mV (line)

Signal to noise ratio: 87dB (MM), 110dB (line)

Channel separation: 50dB (line)

Output: 200mV (line), 1V (Pre out)

Speaker load impedance: 4Ω (minimum)

Video Connections: composite

Dimensions: 435 x 151 x 389mm

Weight: 10.9kg

Accessories: remote control


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re: RX-797

I bought one of these for $50. It would not power up at all.

It's a quick easy fix.

Replace C254. It is on a small board that is mounted right behind where power cord connects to back panel. It's very easy to get to once you take top cover off.

For 230V/240V~ devices it has (22nF / 630V MKP)
For 110V/120V~ devices it has (47nF / 630V MKP)

While it was open and for an extra 20c I also replaced a resistor that is in series with and mounted right next to C254. But this may not be absolutely necessary.

It's R251(2.2k 1W).

(Thanks to our friends on hifi-forum.de for this info)

Amplifier works fine now. Sounds good.

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