Yamaha CR-840 Owner's Manual

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Yamaha CR-840 Receiver Specification

The Yamaha CR-840 Receiver is a high-fidelity audio component that exemplifies precision engineering and superior sound performance. It features a power output of 60 watts per channel, delivering robust and clear audio suitable for a range of listening environments. This model incorporates a wide frequency response from 10 Hz to 50 kHz, ensuring a rich and detailed sound reproduction across the audio spectrum. The CR-840 is equipped with a low distortion rate of 0.05% Total Harmonic Distortion (THD), enhancing the clarity and purity of the sound output.

The receiver includes an FM/AM tuner with a sensitivity of 1.8 µV for FM and 300 µV/m for AM, facilitating excellent radio signal reception and a variety of listening options. It is designed with a sophisticated signal-to-noise ratio of 95 dB for the AUX input, which minimizes background noise and interference for a pristine audio experience. The CR-840 also boasts multiple input and output options, including phono, tape, and auxiliary connections, providing versatility and compatibility with various audio sources.

Its design features a classic aesthetic with a brushed aluminum faceplate and a tactile control interface, offering both style and intuitive operation. The receiver is equipped with a dual-meter display for tuning and signal strength, giving users precise feedback and control over their listening experience. Additionally, its construction emphasizes durability and longevity, with high-quality components and a robust chassis. Overall, the Yamaha CR-840 Receiver is a testament to Yamaha's commitment to delivering exceptional audio quality and user-friendly design in a reliable and well-crafted package.

Yamaha CR-840 Receiver F.A.Q.

How do I properly connect speakers to the Yamaha CR-840 Receiver?

To connect speakers to the Yamaha CR-840, ensure that the receiver is turned off. Connect the positive terminal of the speaker to the corresponding positive terminal on the receiver. Do the same for the negative terminals. Make sure the impedance of the speakers matches the receiver's requirements.

What should I do if there is no sound coming from my Yamaha CR-840 Receiver?

First, check all cable connections to ensure they are secure. Verify that the speaker selector is set to the correct position and that the mute function is not activated. Also, ensure that the input source is correctly selected.

How can I clean and maintain my Yamaha CR-840 Receiver?

To maintain your CR-840, regularly dust the exterior with a soft, dry cloth. Avoid using chemical cleaners. For internal cleaning, consult a professional technician to avoid damage. Ensure vents are clear of dust to prevent overheating.

How do I reset the Yamaha CR-840 Receiver to factory settings?

The Yamaha CR-840 does not have a digital reset function. To reset, manually adjust settings or consult the service manual for detailed disassembly and reset procedures.

Why does my Yamaha CR-840 Receiver overheat and shut down?

Overheating can be caused by poor ventilation. Ensure the receiver is placed in a well-ventilated area and that vents are not blocked. Check for dust buildup and clean as necessary. Also, verify speaker impedance compatibility.

What is the best way to connect a turntable to the Yamaha CR-840 Receiver?

Connect the turntable's audio output cables to the Phono inputs on the receiver. If the turntable lacks a built-in preamp, ensure the receiver's Phono input is used to amplify the signal correctly.

How can I improve the FM radio reception on my Yamaha CR-840?

Improve FM reception by adjusting the antenna placement for optimal signal capture. Consider using a higher-quality external FM antenna. Avoid placement near electronic devices that may cause interference.

What are common issues to look for during troubleshooting of the Yamaha CR-840 Receiver?

Common issues include poor connections, blown fuses, faulty input sources, and overheating. Check speaker wires for shorts, verify all connections, and ensure the receiver is not placed in a confined space.

How do I balance the speaker levels on the Yamaha CR-840 Receiver?

To balance speaker levels, use the balance control knob on the front panel. Adjust the knob until the sound from both speakers is equally balanced according to your listening position.

How can I connect an external amplifier to the Yamaha CR-840 Receiver?

To connect an external amplifier, use the pre-out jacks on the CR-840. Connect the pre-out jacks to the input jacks on the external amplifier, ensuring correct channel matching (left to left, right to right).