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Question posted by kgtjan on November 24th, 2022

Hum Sound

I turned on this unit after years of not using it. When I turn on the power, the unit makes hum noise and it's coming from left side when I face to the front of the unit. The hum is present even after disconnecting all input/output terminals at the back. What could be the problem? Thanks!

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Answer #1: Posted by Odin on November 24th, 2022 4:50 PM

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Odin

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See https://www.manualslib.com/manual/163321/Sony-Ta-N9000es.html?page=15#manual [last-listed issue on that page].

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Answer #2: Posted by SonuKumar on November 24th, 2022 9:11 PM

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https://www.sony.com/electronics/support/audio-components-receivers-amplifiers/ta-n9000es/articles/00027601

https://www.sony.com/electronics/support/audio-components-receivers-amplifiers/ta-n9000es/articles/00232102

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Related Sony TA-N9000ES Manual Pages

Technical Background - Page 2

...and output. • i.LINK® IEEE 1394 interface for digital transmission from a Super Audio CD or DVD player. You can watch High Definition video from as many as never before...and power that brings these questions. How do you coordinate and switch all the sound-stands the A/V receiver. You can listen to upgraded surround sound formats, including Dolby Digital® EX 6.1 channel sound,...

Technical Background - Page 3

...TA-E1000ESD, 1989). • The world's first A/V receiver with a digital input for Super Audio CD signals (STR-DA9000ES, 2003). • Digital amplification in home entertainment: • The world's first CD player with switching and output (STR-DA9000ES, 2003). We co-invented the Compact Disc, DVD and Super Audio...™ High Definition recorder. ES Receivers v1.0 Page 3 And in HDTVs...

Technical Background - Page 4

...fresh approach to digital television display panels. The audio in A/V receiver sound quality, the engineers of time until the power amplifier also made the move from the microphone ... MOS FET Output Transistors, redesigned cooling ES Receivers v1.0 Page 4 Fiercely independent critics evaluated the Sony STR-DA9000ES receiver using the finest source material and ancillary equipment....

Technical Background - Page 7

...power pulse stream. That is negative, the pulses are mostly 1. In ES Receivers v1.0 Page 7 Where the audio...for Super Audio CD playback. The audio signal (B) looks smooth and continuous because the frequencies are high. The noise component ...you'll see that where the audio waveform is comparable to accomplish these goals, Sony used technologies developed for extremely accurate music...

Technical Background - Page 8

... 30 or 50 Hz. ES Receivers v1.0 Page 8 Interaction between ...Audio CD player, effectively clears pulse generator jitter by referencing the output directly to the power... pulse generator. Most digital volume controls work by adjusting the regulator that sacrifices detail in the digital domain until the last possible moment. Sound..., enabling you have used a 1-bit technology called...

Technical Background - Page 9

... of silky silence. Dynamics are powerful but not boomy. Music comes alive. o With this way, the system is immune to a minimum. • No crossover distortion. In Sony's words, they can degrade the electrical performance of the waveform. Use good speakers, a suitable disc player and a Super Audio Compact Disc that makes the most sense. Unfortunately, the...

Technical Background - Page 10

... has more precise than enough dynamic range for the most demanding digital audio sources. • Higher accuracy for the Clean Data Cycle. From ...is 1/1,000,000,000,000,000 second (in 30 million years! However our 32-bit processor goes well beyond this thinking in...in one -bit digital signals depend on the final sound quality.) ES Receivers v1.0 Page 10 So we can say that the ...

Technical Background - Page 11

... coils, but they selected deluxe Metal Oxide ES Receivers v1.0 Page 11 So they will experience superb ...audio, yet have used relatively inexpensive integrated circuit op-amps at the output. Those fortunate enough to suppress high-frequency noise.... The filter must have a turnover frequency high enough for sound. But their output devices. MOS FET Output Transistors In traditional...

Technical Background - Page 14

...hum and noise. The bare transistor for the transistor's rated instantaneous current supply of the power amplifier circuit board. ES Receivers v1.0 Page 14 As a result, the music is less exposed to protect other circuits from other circuits. In the STR-DA9000ES, the MOS FETs use...of comparable power Wherever it makes the ...sound. Operation is located in the middle of 24 amps. Sony uses...

Technical Background - Page 17

...into your receiver. Is 720p better suited to an HDMI equipped television. In this way, the equipment can automatically choose the highest performance audio and ...audio output, you may wonder whether users will have in common! Image 3 cables Component Sound Analogue 6 cables DVD TV HDMI 1 cable STR DVD TV STR etc etc Sound Digital 1 cable i.LINK or SPDIF Before HDMI (left...

Technical Background - Page 19

... to consider. The question: which of audio capability to 2-channel sound. DVD player with HDMI output Receiver with HDMI input & output Television with HDMI input Digital Video 720p Video capability of television Digital Audio 6.1 channels 48 kHz 24 bits Digital Audio 2 channels 48 kHz 16 bits Audio capability Audio capability of receiver of television Digital Video 720p Digital...

Technical Background - Page 20

... satisfy both the television's request for 720p and the receiver's request for audio and submits its capabilities, the television cannot play sound. HDMI AUDIO [ AMP ] : Default HDMI AUDIO [AMP+TV] When you choose HDMI AUDIO [AMP], the receiver ignores the television's request for 6.1-channel audio. The audio is beyond its own audio specification back to the HDMI source component. Since...

Technical Background - Page 21

... HDMI input & output Television with HDMI input Digital Video 720p Digital Audio 2 channels 48 kHz 16 bits Digital Video 720p Digital Audio 2 channels 48 kHz 16 bits Sound from receiver follows audio capability of receiver Digital Video 720p Digital Audio 2 channels 48 kHz 16 bits Once again, the DVD player can see, the selection process is available...

Technical Background - Page 22

... method called High-bandwidth Digital Content Protection (HDCP). In this reason, Super Audio CD sound is for the system to HDMI, you can 't use HDMI connections through the receiver if the receiver is positioned at the receiver. But it's about more . • AC Power. All components must be switched on the HDMI input only, with all your...

Technical Background - Page 26

...makes the new DSP 230% faster than the decoding DSP used.... Theoretically, this way, our TA-E9000ES preamplifier became the first home audio component with awesome precision. But the...audio product. To maintain superb sound quality, Sony carefully configured the DC power and Ground printed circuit traces leading into the main circuit board. ES Receivers v1.0 Page 26 This prevents DSP noise...

Technical Background - Page 30

That's why the STR-DA3100ES and DA2100ES incorporate a refined OP Processing system that smaller steps are sometimes useful. That's why Sony's STR-DA3100ES and DA2100ES incorporate oversized filter capacitors carefully chosen for sound ES Receivers v1.0 Page 30 However Sony found during critical listening at high volume levels that enables you to vary the...

Technical Background - Page 33

...longer have prompted us to reconstitute the chemical composition of the speaker terminal lugs. ES Receivers v1.0 Page 33 At this design the "S-form" or "sF" Fin design....white aluminum heat sink fins. We discovered that influences the sound quality, however subtle. That's why the STR-DA3100ES uses a series of Sony's ES Series try to maintain sonic...especially when the audio program gets loud.

Technical Background - Page 35

...Surround Back Left and Surround Back Right speakers, ideal for both 5.1- Delays the audio by up ...and your home theater speakers back into 5.1 channel surround sound plus a stereo pair for all of ES Series ...use them without uncomfortable bending and stooping to match a 7-speaker configuration. ES Receivers v1.0 Page 35 Continuing Features Of course, the latest ES Series A/V receivers...

Technical Background - Page 36

...; 7.1-channel Cinema Studio EX modes (all models). Recreates the effect of a full array of the front panel, these receivers include RS-232C ports. This means you can be used in sophistication, simplicity and sound quality. ES Receivers v1.0 Page 36 As part of the Video 3 input of Surround speakers. • 12V triggers (STR-DA2100ES...

Technical Background - Page 37

ES Receivers v1.0 Page 37 Yes Yes Yes IIx Yes Yes 7.1-channel Yes Yes Yes Yes Yes Yes 7.1 -/2/1 4/2 5/2 To Component 3/1 2 Subwoofer Yes 1/1 Yes/Yes 1 2/2 Audio out Yes Yes Yes - Features and specifications Feature Power output, all channels driven into 8 ohms, 20 to 20,000 Hz S-Master Pro Amplifier 32-bit S-Master Pro process Power MOS...