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Denon AVR-2106 - Service Manual

Denon AVR-2106
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SERVICE MANUAL
AV SURROUND RECEIVER
MODEL
AVR-2106/886
TOKYO, JAPAN
Denon Brand Company, D&M Holdings Inc.
X0255V.01 DE/CDM 0508
Some illustrations using in this service manual are
slightly different from the actual set.
Please use this service manual with referring to the
operating instructions without fail.
For purposes of improvement, specifications and
design are subject to change without notice.
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。
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。
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。
注 意
For U.S.A. , Canada model
Ver. 1
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Other manuals for Denon AVR-2106

Questions and Answers

  • C
    Carlos FisherSep 14, 2025
    Why is the sound only coming from one channel on my Denon Stereo Receiver?
    • A
      Amy JohnsonSep 14, 2025
      If sound is only coming from one channel on your Denon Stereo Receiver, it could be due to: * Incomplete connection of speaker cables - connect them securely. * Incomplete connection of input/output cables - connect them securely.
  • G
    gabrielle84Aug 25, 2025
    What to do if my Denon Stereo Receiver has display but no sound?
    • J
      Joanna WilsonAug 25, 2025
      If you're not getting any sound from your Denon Stereo Receiver, even though the display is lit, check the following: * Make sure the speaker cables are securely connected. * Ensure the FUNCTION knob is set to a suitable position. * Turn up the volume control to a suitable level. * Switch off MUTING, if it's on. * If you've selected a digital input, ensure digital signals are being input or select the correct input terminals.
  • B
    Bryce JohnsonAug 25, 2025
    What to do if my Denon Stereo Receiver display is lit but there is no sound?
    • R
      Richard JohnsonAug 26, 2025
      If your Denon Stereo Receiver's display is lit but no sound is coming out, there could be several reasons. First, ensure the speaker cables are securely connected. Next, check the FUNCTION knob to make sure it is set correctly. Also, verify that the volume control isn't set to the minimum. Another possibility is that MUTING is activated, so switch it off. Finally, if you've selected a digital input, ensure digital signals are being input to the correct terminals.
  • K
    kaitlinvasquezAug 26, 2025
    What to do if my Denon Stereo Receiver display is not lit when the power is on?
    • L
      Lisa SmithAug 26, 2025
      If the display of your Denon Stereo Receiver is not lit and no sound is produced when the power switch is on, the power supply cord may not be plugged in securely. Check the insertion of the power supply cord plug.
  • J
    Jeremy WoodsSep 15, 2025
    Why are the instrument positions reversed during stereo playback on my Denon Stereo Receiver?
    • D
      danielingramSep 15, 2025
      If the instrument positions are reversed during stereo playback on your Denon Stereo Receiver, it's likely due to reversed connections of the left and right speakers or left and right input/output cables. Check the left and right connections.
  • A
    andrea59Sep 23, 2025
    What does “OFF AIR” mean on my Denon AVR-2106?
    • H
      Hannah PayneSep 23, 2025
      If “OFF AIR” is displayed on your Denon Stereo Receiver, it means the selected channel is not currently broadcasting. Select another channel.
  • F
    Felicia ThomasSep 7, 2025
    Why is my Denon Stereo Receiver making a humming noise when playing records?
    • W
      William RoySep 7, 2025
      A humming noise while playing records on your Denon Stereo Receiver can be caused by a few things. First, check the ground wire of the turntable to ensure it's securely connected. Also, verify that the PHONO jack is completely connected. If those aren't the issue, there might be a nearby TV or radio transmission antenna interfering; in that case, contact your store of purchase.
  • A
    Anne MartinezSep 8, 2025
    Why does my Denon Stereo Receiver make a howling noise when the volume is high?
    • E
      Evan HubbardSep 8, 2025
      If your Denon Stereo Receiver is producing a howling noise at high volumes, it could be because the turntable and speaker systems are too close together. Try to separate them as much as possible. Also, if the floor is unstable and vibrates easily, use cushions to absorb speaker vibrations transmitted by the floor.
  • S
    Shawn AndrewsSep 2, 2025
    How to stop howling noise from Denon AVR-2106 when volume is high?
    • M
      Mary MooreSep 2, 2025
      If you're getting a howling noise from your Denon Stereo Receiver when the volume is high: * Separate the turntable and speaker systems as much as possible. * Use cushions to absorb speaker vibrations transmitted by the floor. If the turntable lacks insulators, use audio insulators.
  • K
    Kimberly BenjaminAug 31, 2025
    Why is the display not lit and power indicator flashing rapidly on my Denon Stereo Receiver?
    • R
      richardmckenzieAug 31, 2025
      If your Denon Stereo Receiver display isn't lit and no sound is produced, and the power indicator is flashing rapidly, it could be due to: * Short-circuited speaker terminals: Switch the power off, connect the speakers properly, and then switch the power back on. * Blocked ventilation holes: Turn off the power, ventilate the unit well, and allow it to cool down before turning it back on. * Continuous high power operation with inadequate ventilation: Turn off the power, ventilate it well, and allow it to cool down before turning it back on.

Summary

SERVICE MANUAL

注意

General safety precautions and warnings for service personnel.

SAFETY PRECAUTIONS

LEAKAGE CURRENT CHECK

Check leakage current or line-to-chassis resistance before returning unit.

感電に注意!

Warning about electric shock hazards from AC voltage and high voltage parts.

指定部品の使用!

Instruction to use only specified parts for safety and performance.

サービス後は安全点検を!

Final crucial step to check reassembly and perform insulation check after service.

安全上重要な部品について

Important information regarding safety-critical components marked with ▲.

DIMENSION

CAUTION IN SERVICING

Initializing AV SURROUND RECEIVER

Procedure to initialize receiver when microprocessor or related parts are replaced.

AV サラウンドアンプの初期化について

Initialization required when microcomputer or digital board parts are replaced.

ADJUSTMENT

Video Section (For U.S.A., Canada)

BLOCK DIAGRAM

LEVEL DIAGRAMS (1;2)

LEVEL DIAGRAMS (2;2)

FL DISPLAY 16-ST-82 GNK (FL301)

PRINTED WIRING BOARDS

CPU P.W.B. UNIT

INPUT P.W.B. UNIT ASSY

CNT P.W.B. UNIT

EXT-IN P.W.B. UNIT ASSY

DSP P.W.B. UNIT ASSY

2 ch AMP P.W.B. UNIT ASSY

PARTS LIST OF P.W.B. UNIT

CPU P.W.B. UNIT ASSY

EXPLODED VIEW

PARTS LIST OF EXPLODED VIEW

PARTS LIST OF PACKING & ACCESSORIES

WIRING DIAGRAM

SCHEMATIC DIAGRAMS (1;14)

SCHEMATIC DIAGRAMS (2;14)

SCHEMATIC DIAGRAMS (3;14)

SCHEMATIC DIAGRAMS (4;14)

SCHEMATIC DIAGRAMS (5;14)

SCHEMATIC DIAGRAMS (6;14)

SCHEMATIC DIAGRAMS (7;14)

SCHEMATIC DIAGRAMS (8;14)

SCHEMATIC DIAGRAMS (9;14)

SCHEMATIC DIAGRAMS (10;14)

SCHEMATIC DIAGRAMS (11;14)

SCHEMATIC DIAGRAMS (12;14)

SCHEMATIC DIAGRAMS (13;14)

SCHEMATIC DIAGRAMS (14;14)

Denon AVR-2106 Specifications

Audio Specifications IconAudio Specifications
front rated output90 W + 90 W (8 Ω/ohms, 20 Hz ~ 20 kHz with 0.08% T.H.D.)
center rated output90 W (8 Ω/ohms, 20 Hz ~ 20 kHz with 0.08% T.H.D.)
surround rated output90 W + 90 W (8 Ω/ohms, 20 Hz ~ 20 kHz with 0.08% T.H.D.)
surround back rated output90 W + 90 W (8 Ω/ohms, 20 Hz ~ 20 kHz with 0.08% T.H.D.)
dynamic power120 W x 2 ch (8 Ω/ohms)
analog input sensitivity200 mV / 47 kΩ/kohms
frequency response10 Hz ~ 100 kHz: +1, –3 dB (DIRECT mode)
analog distortion0.008 % (20 Hz ~ 20 kHz) (DIRECT mode)
phono input sensitivity2.5 mV
phono RIAA deviation±1 dB (20 Hz to 20 kHz)
phono S/N74 dB (A weighting, with 5 mV input)
phono rated output150 mV / 7 V
phono distortion factor0.03 % (1 kHz, 3 V)
Video Specifications IconVideo Specifications
standard video input/output level1 Vp-p, 75 Ω/ohms
standard video frequency response5 Hz ~ 10 MHz — +1, –3 dB
S-Video input/output levelY (brightness) signal — 1 Vp-p, 75 Ω/ohms
S-Video frequency response5 Hz ~ 10 MHz — +1, –3 dB
color component video input/output levelY (brightness) signal — 1 Vp-p, 75 Ω/ohms
color component video frequency responseDC ~ 100 MHz — +0, –3 dB
Tuner Specifications IconTuner Specifications
receiving range87.50 MHz ~ 108.00 MHz 522 kHz ~ 1611 kHz
usable sensitivity1.0 µV (11.2 dBf) 18 µV
50 dB quieting sensitivityMONO 1.6 µV (15.3 dBf)
S/N MONO77 dB (IHF-A weighted)
total harmonic distortion MONO0.15 % (1 kHz)
total harmonic distortion STEREO0.3 % (1 kHz)
General Specifications IconGeneral Specifications
power supplyAC 230 V, 50 Hz
power consumption450 W
maximum external dimensions434 (W) x 171 (H) x 417 (D) mm
mass12.8 kg
Remote Control Specifications IconRemote Control Specifications
batteriesR6P/AA Type (two batteries)
external dimensions55 (W) x 225 (H) x 34.5 (D) mm
mass165 g (including batteries)

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