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Denon AVR-1908 - Service Manual

Denon AVR-1908
260 pages
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Denon Brand Company, D&M Holdings lnc.
For purposes of improvement, specifications and
design are subject to change without notice.
Please use this service manual with referring to the
operating instructions without fail.
Some illustrations using in this service manual are
slightly different from the actual set.
注 意
サービスをおこなう前に、このサービスマニュアルを
必ずお読みください。本機は、火災、感電、けがなど
に対する安全性を確保するために、さまざまな配慮を
おこなっており、また法的には「電気用品安全法」に
もとづき、所定の許可を得て製造されております。
従ってサービスをおこなう際は、これらの安全性が維
持されるよう、このサービスマニュアルに記載されて
いる注意事項を必ずお守りください。
本機の仕様は性能改良のため、予告なく変更すること
があります。
補修用性能部品の保有期間は、製造打切後 8 年です。
修理の際は、必ず取扱説明書を参照の上、作業を行っ
てください。
本文中に使用しているイラストは、説明の都合上現物
と多少異なる場合があります。
X0353 V.03 DE/CDM 0802
SERVICE MANUAL
AV SURROUND RECEIVER
MODEL JP E3 E2 EK E2A E1C EUT
AVR-1908
33 333
AVR-788
3
Ver. 3
Please refer to the
MODIFICATION NOTICE.

Other manuals for Denon AVR-1908

Questions and Answers

  • E
    Eddie WoodAug 16, 2025
    Why is there no sound from my Denon AVR-1908 speakers?
    • E
      Elizabeth DennisAug 17, 2025
      If no sound is coming from the speakers of your Denon Stereo Receiver, consider the following: * Check the connections to the input devices and speaker cables to ensure they are properly connected. * Verify that the selected input source on the receiver matches the device you are trying to play. * Increase the master volume, as it might be set too low. * Deactivate mute mode if it is currently enabled. * Disconnect any headphones that are plugged in. * If using digital signals, ensure that the input source is correctly set for digital input. * Confirm that the connectors assigned to the digital inputs match the settable input modes, and adjust the input mode accordingly.
  • R
    Robert CurtisAug 19, 2025
    What to do if my Denon AVR-1908 Stereo Receiver shows 'NO SIGNAL' in XM mode?
    • E
      Erika WatkinsAug 19, 2025
      If your Denon Stereo Receiver displays “NO SIGNAL” in XM mode, try repositioning your XM Mini-Tuner and Home Dock antenna to improve signal reception.
  • Z
    zmcdonaldAug 22, 2025
    Why does my Denon AVR-1908 Stereo Receiver power off suddenly and the power indicator flashes red?
    • N
      Nicolas CalhounAug 22, 2025
      If your Denon Stereo Receiver suddenly turns off and the power indicator flashes red, it indicates the protection circuit has been activated. This could be due to several reasons: * The internal temperature may have risen too high. In this case, turn off the power, allow the unit to cool down completely, and then turn it back on. * Speaker wires may be touching each other or the rear panel. Unplug the power cord, twist the core wires tightly or terminate the speaker cables, and then reconnect them. * Speakers with an incorrect impedance may be in use. Ensure you are using speakers with the specified impedance. * The set might be damaged. In this case, turn off the power and contact a DENON service center.
  • C
    Cynthia LewisAug 25, 2025
    What to do if Denon AVR-1908 Stereo Receiver remote control not working?
    • J
      John TranAug 26, 2025
      If your Denon Stereo Receiver isn't responding to the remote control, try these steps: * Replace the batteries with new ones. * Ensure you are operating the remote within the specified range. * Remove any obstacles between the remote and the main unit. * Verify that the batteries are inserted correctly, matching the polarity marks in the battery compartment. * Move the set away from strong light sources like direct sunlight or inverter-type fluorescent bulbs. * Ensure the remote ID of the main unit is set to '1'.
  • J
    John McguireAug 27, 2025
    Why does my Denon AVR-1908 have no picture?
    • J
      James JonesAug 27, 2025
      If no picture appears when using your Denon Stereo Receiver, check the following: * Ensure that the connections between the unit and the monitor are correctly and securely connected. * Verify that the monitor’s input setting is properly configured. * If PURE DIRECT mode is enabled, disable it. * If using high definition (1080i/720p) or progressive (480p/576p) video signals, set the player to interlace (480i/576i) signals, as these are not down-converted.
  • C
    Carlos WilsonAug 30, 2025
    Why won't my Denon AVR-1908 power on or it turns off immediately?
    • J
      justin89Aug 30, 2025
      If your Denon Stereo Receiver doesn't turn on, or shuts off immediately after being turned on, check the power cord connection to ensure it is properly inserted.
  • C
    Charles ThompsonSep 2, 2025
    How to turn on the display on my Denon Stereo Receiver?
    • E
      Elizabeth HowardSep 2, 2025
      If the display on your Denon Stereo Receiver is off, it could be due to the following: * The “Dimmer” setting is set to “OFF”. Change it to something other than “OFF”. * The PURE DIRECT mode is activated. Select a surround mode other than the PURE DIRECT mode.
  • X
    xgarciaSep 4, 2025
    Why can't I play my iPod on my Denon Stereo Receiver?
    • C
      Charles RamosSep 4, 2025
      If your iPod isn't playing on your Denon Stereo Receiver, try these solutions: * Make sure the input source assigned to “iPod dock” is selected. * Check and reconnect the cable to ensure it is properly connected. * Verify that the Control Dock for iPod’s AC adapter is plugged into a power outlet.
  • R
    robinmatthewsSep 7, 2025
    What does 'CHECK ANTENNA' mean on my Denon Stereo Receiver in XM mode?
    • T
      Tyler HarrisSep 7, 2025
      If your Denon Stereo Receiver displays “CHECK ANTENNA” in XM mode, verify that the AVR-1908’s XM connector and the XM Mini-Tuner and Home Dock are correctly connected.
  • B
    Brandon WellsSep 10, 2025
    Why does my Denon Stereo Receiver say 'OFF AIR' in XM mode?
    • K
      kfuentesSep 10, 2025
      If your Denon Stereo Receiver displays “OFF AIR” in XM mode, it means the selected channel is not currently broadcasting. Try selecting another channel.

Denon AVR-1908 Specifications

General IconGeneral
Channels7.1
Power Output90W per channel (8 ohms, 20Hz-20kHz, 0.08% THD)
HDMI Inputs2
HDMI Outputs1
Dolby DigitalYes
DTSYes
TypeAV Receiver
Component Video Inputs3
Component Video Outputs1
Digital Audio Inputs2 Optical, 2 Coaxial
TunerAM/FM
Frequency Response10Hz-100kHz (+1, -3dB)
Input Sensitivity/Impedance200mV/47k ohms
Signal-to-Noise Ratio98 dB
Power Consumption460W
Surround Sound FormatsDolby Digital, DTS
Total Harmonic Distortion0.08%
Tuner Frequency RangeAM: 522-1611 kHz, FM: 87.5-108.0 MHz
Standby Power ConsumptionLess than 1W

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