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Denon AVR-1911 Service Manual

Denon AVR-1911
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32
YES YES
YES
NO
YES
NO
NO
0.6V or -0.6V
When the power turned on,
does the ON/STANDBY
indicator on the front panel
ashing green?
Is the fuse blown?
About 10 seconds later,
does the ON/STANDBY
indicator on the front panel
turn lighting green ?
Check voltage of N2706 (1-
5PIN) of HDMI B'D while the
ON/STANDBY indicator is
ashing green.
Pull out connector (CP1) of
SPK BD, and check "Errors
checking mode".
(Refer to 18 page.)
Power not turn on.
Is the fuse blown?
Is a DC 5V voltage being
supplied from the SMPS B'D
(CX101) to the µ-com?
Refer to 1.2.Fuse is blown.
Refer to 1.2. Fuse is blown.
Check circuitry and parts from N2706 on
the HDMI B'D to the µ-com for damage
and shortcircuits, and replace any
defective parts.
Check "Errors
checking mode".
(Refer to 18 page.)
Are there any incomplete
connections in the connectors
connecting between the
various circuit boards?
Is a DC 5V voltage output
when the cord supplying the
power from the SMPS B'D
to the HDMI B'D (N2501) is
unplugged?
Check µ-com periphery
circuitry of HDMI B'D and
replace any defective parts.
Check circuitry and parts from
N2501 on the HDMI B'D to the
µ-com power supply for damage
and shortcircuits, and replace
any defective parts.
Connect the connectors properly.
Check for damage
in the SMPS B'D
parts and replace any
defective parts.
NO YES
NO
0V
YES
NO
NO NO
TROUBLE SHOOTING
1. POWER
1.1. Power not turn on
Check for leaks or short
circuits in the primary side
parts, and replace any
defective parts.
Fuse is blown
Check for short circuits in the
rectier diodes and circuitry of
the secondary side rectifying
circuits, and replace any
defective parts.
After repairing, also replace the fuse.
Check for short circuits in
the power stabilizer unit's
regulator output terminal and
the ground, and replace any
defective parts.
1.2. Fuse is blown

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Denon AVR-1911 Specifications

General IconGeneral
Frequency range10 - 100000 Hz
Audio output channels7.1 channels
Audio A/D Converter (ADC)24-bit/96kHz
Signal-to-Noise Ratio (SNR)100 dB
Total Harmonic Distortion (THD)0.8 %
HDMIYes
Audio systemDolby TrueHD, Dolby Digital Plus, Dolby Digital EX, Dolby Pro Logic II, Dolby Pro Logic IIx, Dolby Pro Logic IIz, DTS-HD, DTS 96/24
Output power125 W
Dimensions (WxDxH)434 x 381 x 171 mm
Power requirementsAC 230, 50 Hz
HDMI ports quantity5
AM band range522 - 1611 kHz
FM band range87.5 - 108 MHz
I/O ports1 x Component in 1 x Composite Monitor out 1 x USB 1 x Microphone 1 x FM Tuner Antenna 1 x AM Tuner Antenna
Connectivity technologyWired
Headphone outputs7
Digital audio optical in1
Product colorBlack
Power consumption (standby)0.1 W
Power consumption (typical)460 W
Weight and Dimensions IconWeight and Dimensions
Weight10200 g

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