Denon AVR-391 Service Manual

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YES
YES
YES
(19) Check xtal oscillator.
Is there 28.6363MHz oscillation of X101?
(20) Check RESET.
Is RESET waveform confi rmed in IC11 (97pin), when power is
turned on? (If continued to "H" or " L", proceed to "NO".)
HDMI output circuitry is defective (IC11 and surrounding circuitry).
(21) Check control signal(I2C).
Is waveform confi rmed in IC11 78pin(SDATA)/79pin(SCL). (If not
continued to " L", proceed to "YES".)
The X101 or IC11 is defective.
The RESET pattern or IC11 is defective.
The SDATA/SCL line pattern is defective.
NO
NO
NO

Denon AVR-391 Specifications

General

Number of Channels	5.1
HDMI Inputs	4
HDMI Outputs	1
Dolby Formats	Dolby Digital, Dolby Pro Logic II
Audio Return Channel	Yes
Component Video Inputs	2
Digital Optical Inputs	1
Digital Coaxial Inputs	1
Response Bandwidth	10 Hz - 100 kHz
Signal-To-Noise Ratio	98 dB
THD	0.08%
Input Impedance	47 kOhms
Input Sensitivity	200 mV
Tuner Bands	AM/FM
Power Output	75 Watts per channel
DTS Formats	DTS
Tuner Frequency Range	FM: 87.5 - 108 MHz
Video Inputs/Outputs	Composite
Audio Inputs/Outputs	Digital Optical
Dimensions	434 x 151 x 319 mm
Weight	8.5 kg