Why can't I increase the volume or why is the sound distorted on my Yamaha Receiver?
If you cannot increase the volume level or the sound is distorted on your Yamaha Receiver, check if the component connected to the OUT (REC) jacks is turned off. If so, turn it on.
How to eliminate buzzing and whining noises from Yamaha RX-V340?
If you're hearing buzzing and whining noises from your Yamaha Receiver, especially in the evening, move the unit away from any nearby TV set.
How to reduce noise interference on Yamaha RX-V340?
If you're experiencing noise interference with your Yamaha Receiver, move the unit further away from digital or high-frequency equipment.
How to stop a humming sound from Yamaha RX-V340 Receiver?
If you're hearing a humming sound from your Yamaha Receiver, ensure the audio plugs are firmly connected. If the problem continues, the cables may be defective and need replacement.
How to improve poor bass reproduction on Yamaha Receiver?
If you're experiencing poor bass reproduction with your Yamaha Receiver, try these fixes: * If “SOUND 1D BASS” on the set menu is set to SWFR or BOTH and you don't have a subwoofer, select MAIN. * Ensure the speaker mode settings (main, center, or rear) on the set menu match your speaker configuration. Select the appropriate position for each speaker based on their size.
Why is there no sound from effect speakers on my Yamaha Receiver?
If there is no sound from the effect speakers on your Yamaha Receiver, it may be because the sound effect is switched off. Press STEREO to turn it on. Alternatively, a Dolby Surround, Dolby Digital or DTS decoding DSP program is being used with material not encoded with Dolby Surround, Dolby Digital or DTS. Select another DSP program.
Why does the sound on my Yamaha Receiver suddenly go off?
If the sound on your Yamaha Receiver suddenly cuts out, here are a few things to investigate: * Check the speaker wires to ensure they aren't touching each other. Then, turn the unit back on. * If the sleep timer is activated, turn the power back on and restart the source. * If the unit is muted, press the MUTE button or any other operation button to cancel the mute function, then adjust the volume.
Why is there no sound from my Yamaha RX-V340 Receiver's subwoofer?
If there is no sound from the subwoofer connected to your Yamaha Receiver, check the following settings in the set menu: * If “SOUND 1D BASS” is set to MAIN when a Dolby Digital or DTS signal is being played, select SWFR or BOTH. * If “SOUND 1D BASS” is set to SWFR or MAIN when a 2-channel source is being played, select BOTH.
What does 'CHECK SP WIRES' mean on my Yamaha RX-V340?
If “CHECK SP WIRES” appears on the front panel display of your Yamaha Receiver, it means the speaker cables are short circuited. Make sure all speaker cables are connected correctly.
How to fix a Yamaha Receiver that won't turn on?
If your Yamaha Receiver fails to turn on or enters standby mode shortly after being turned on, it could be due to a few reasons: * Ensure the power cord is firmly connected. * Check that the protection circuitry hasn't been activated. Make sure all speaker wire connections on this unit and on all speakers are secure and that the wire for each connection is not touching anything other than its respective connection. * If the unit has been exposed to a strong external electric shock, set this unit in standby mode, disconnect the power cord, plug it back in after 30 seconds, then use it normally.
Information on components with special characteristics that require specific replacement parts.
Procedure to verify insulation of conductive surfaces and measure leakage current.
Notice about lead in solder and other chemicals, with safety precautions.
Detailed technical specifications for the audio processing section of the unit.
Technical specifications related to video signal handling and display.
Technical specifications for the FM tuner functionality.
Basic setup menu items related to speaker configuration and levels.
Sound settings menu items including speaker setup, distance, LFE, and tone controls.
Input assignment and display settings within the menu system.
Option menu items for audio mute and dual mono settings.
Locations of Main P.C.B.s (1, 2, 3, 4, 5) on the internal layout.
Locations of Function P.C.B.s (1, 2, 3, 4, 5, 6, 7, 8) on the internal layout.
Locations of Tuner and DSP P.C.B. on the internal layout.
Location of the Power Transformer on the internal layout.
Steps for removing the top cover of the unit, including screw and slide instructions.
Steps for removing the front panel unit, involving harness, screws, and sliding.
Procedures for removing the DSP P.C.B. with its support, including screw and connector removal.
Steps to remove specific P.C.B.s and the Tuner, involving connector and screw removal.
Procedures for removing MAIN (1), FUNCTION (1), and FUNCTION (8) P.C.B.s, including connector and screw removal.
Guidelines for reconnecting cables, checking polarity, and ensuring proper grounding of P.C.B.s.
DSP through function, including analog bypass and YSS settings.
RAM through function for YSS938, outputting only CT signal via Sub DSP DRAM.
Pro Logic and Neo:6 settings, including mode selection and tone control.
Speaker settings for automatic input switching and output signal routing.
Margin check for audio signals and settings for other input sources.
Checks for FL display segments and manual tests for noise generation across channels.
Presets for memory initialization and checks for AD data and fan test.
Displays status information of the microprocessor, signal processing, and internal status.
Checks bus connections for YSS938 and external RAM, indicating errors.
Displays data version of FLASH ROM, TOC information, and sum calculated values.
Switches function settings on P.C.B. via software, affecting protection and operation modes.
Displays microprocessor version, checksum, and port settings.
Procedure to start the DIAG mode by pressing specific keys and the power button.
How to enter DIAG mode with protection functions disabled for troubleshooting.
Steps to cancel DIAG mode, including memory setting and power-off.
How protection history is stored, accessed, and cleared.
How functions are indicated on the FL display during DIAG operation.
How to navigate and select DIAG menu items and sub-menu items using the unit's keys.
Available functions during DIAG mode, excluding tuner and set menu operations.
Default settings applied when starting the DIAG mode, which are restored upon cancellation.
Details of DSP through function, including Main DSP selection and analog bypass.
Output signal characteristics for YSS 0dB and YSS Front 0dB modes, including head margin.
Output signal characteristics for YSS FULL BIT mode, without head margin.
Output signal characteristics for YSS FULL BIT F mode, with front CH digital full bit output.
Details of RAM THROUGH function for YSS938, outputting CT signal via Sub DSP DRAM.
Signal output characteristics for RAM 0dB mode.
Pro Logic processing details, including signal routing and mode selection.
Specifics of PRO LOGIC I and PRO LOGIC II modes, including signal routing and Dolby Digital compatibility.
Details of Neo:6 function, noting it's not applied to all models.
Speaker settings for automatic input switching and output signal routing.
Margin check for signals, including specific dB margin levels for main channels.
Signal output characteristics for MAIN 12dB and 18dB MARGIN modes.
Input via 6CH terminal and external decoder output.
FL display check programs for various segment lighting and synchronization modes.
Manual tests for noise generation across channels, with specific frequency ranges.
Menu for reserving and inhibiting RAM initialization, and setting factory presets.
Checks A/D conversion, fan drive level, and protection statuses.
Protection detection values for DC and power supply voltage.
Temperature detection and fan drive level monitoring.
Checks impedance switch setting and power limiter detection values.
Checks panel key function and A/D deviation, and confirms key status.
Tests for fan drive levels (HIGH, MID, LOW) on applicable models.
Displays input function status, microprocessor status, and signal processing information.
Displays microprocessor status information.
Checks bus connections between YSS938 and external RAM, indicating errors.
Displays data version of FLASH ROM, TOC information, and sum calculated values.
Switches function settings on P.C.B. via software, affecting protection and operation modes.
Displays microprocessor version, checksum, and port settings.
Procedure to confirm idling current voltage across specific terminals on the main P.C.B.
Information displayed regarding signal status and patterns.
Pin connection diagrams for various ICs, diodes, and transistors.
Assignment of grid numbers to various signals and connections.
Pin assignment details for the M3062VMGP microprocessor on the main P.C.B.
Main functional blocks of the system, including input selectors and monitor outputs.
Digital Signal Processing and functional blocks for sound processing and control.
Foil side layouts of the DSP P.C.B. showing lead type and surface mount components.
Foil side layouts of FUNCTION P.C.B.s with lead type devices.
Foil side layouts of MAIN P.C.B.s.
Foil side layout of the Power Transformer.
Foil side layouts of FUNCTION P.C.B.s with surface mount components.
Foil side layouts of FUNCTION P.C.B.s with lead type devices.
Foil side layout of the DSP P.C.B.
Foil side layouts of FUNCTION and MAIN P.C.B.s.
Foil side layouts of FUNCTION P.C.B.s with surface mount devices.
Foil side layouts of MAIN P.C.B.s with lead type devices.
Foil side layouts of MAIN P.C.B.s with surface mount components.
Pin connection diagrams for various Integrated Circuits (ICs) used in the unit.
Pin connection diagrams for various diodes.
Pin connection diagrams for various transistors.
Schematics for Left, Right, and Center Channel Power Amplifier circuits.
Schematics for the speaker relay and power supply sections.
Schematics of the microcomputer and input selector circuitry.
Schematic of the level shift circuits.
List of electrical components with part numbers, descriptions, and abbreviations.
Parts list for DSP P.C.B. and FUNCTION P.C.B.s, including ICs, connectors, and transistors.
Parts list for FUNCTION P.C.B.s, including connectors and transistors.
Parts list for FUNCTION and MAIN P.C.B.s, including switches, transformers, and connectors.
Parts list for MAIN P.C.B.s, including connectors, transformers, and transistors.
Exploded view of the unit for R models, showing component assembly.
Exploded view of the unit for J, U, C, R, T, K, A, L models, showing component assembly.
Exploded view of the unit for B, G models, showing component assembly.
Schematic diagram of the remote control's internal circuitry.
General| Channels | 5.1 |
|---|---|
| Weight | 9 kg |
| Signal to Noise Ratio | 100 dB |
| Dimensions (WxHxD) | 435 x 151 x 363 mm (17.1 x 5.9 x 14.3 inches) |
| Type | Receiver |
| Frequency Response | 10 - 100000 Hz |
| Total Harmonic Distortion | 0.06 % |
| Outputs | 1 subwoofer |
| Input Sensitivity | 200 mV |
| Input Impedance | 47 kΩ |
| Digital Audio Inputs | 1 optical, 1 coaxial |
| Surround Sound | Dolby Digital, DTS |
| Inputs | 4 analog audio, 2 digital audio (1 optical, 1 coaxial) |
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