Denon AVR-791 Service Manual

38
YES
YES
YES
Check TV
(10) Is the TV HDCP-compatible?
(14) Is the set's input set to HDMI?
(12) Is the TV's input set to HDMI?
(13) Are the picture and sound output when a different TV is used?
Check set (AVR-791)
(11) Is the TV compatible with resolutions of 1080P?
Use an HDCP-compatible TV. PC TVs
cannot be used.
Check set's input setting, referring to the
set's operating instructions.
Check TV's input setting, referring to the
TV's operating instructions.
The TV is defective.
If the TV is not compatible with resolutions
of 1080P, no picture will be output, even
if the BD/DVD player's resolution is set to
1080P.
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
The set does not recognize the TV.
(15) Is 5V supplied to C9096?
Is the "H"(3V-5V) signal outputted of U1501 (30pin)?
Is communication waveform conrmed in D1504(DDC_CLK),
D1503(DDC_DATA)?
Is 1pin/3pin/4pin/6pin/7pin/9pin/10pin/12pin of HDMI connector
(K1501) terminated by 3.3V and is the signal output?
With the TV connected, Check voltage of the IC on the side on
which the TV is connected.
(16)
When using a DENON
BD/DVD player, is the FL
display's "HDMI" indicator lit?
If using a non-DENON BD/
DVD player, proceed to
"NO".
The HDMI input circuitry is defective.
(U1001 and surrounding circuitry)
To item (26).
The BD/DVD player does not recognize the
connection with the set.
(17)
Is the "H"(3V-5V) signal outputted of HDMI
connector (K1001/K1002/K1003/K1004 : 19pin)?
Is communication waveform conrmed in
HDMI connector (K1001/K1002/K1003/
K1004)15pin(DDC_CLK)/16pin(DDC_DATA) ?
Is 1pin/3pin/4pin/6pin/7pin/9pin/10pin/12pin of
HDMI connector (K1501) terminated by 3.3V and
is the signal output?
With the BD/DVD player connected, Check
voltage of the HDMI connector for the input
on the side on which the BD/DVD player is
connected.
The pattern and circuit
from the HDMI connector
(K1001/K1002/K1003/
K1004) to the U1001 is
defective.
NO
NO NO

Denon AVR-791 Specifications

General

Number of Channels	7.1
HDMI Inputs	4
HDMI Outputs	1
Audyssey Technologies	Audyssey MultEQ, Audyssey Dynamic Volume, Audyssey Dynamic EQ
4K Pass-Through	No
Signal-To-Noise Ratio	100 dB
HDMI Switching	Yes
Input Sensitivity	200 mV
THD	0.08%
Surround Sound Effects	Yes
Digital Sound Processor (DSP)	Yes
DSP Preset Qty	7
Tuner Bands	AM/FM
Preset Station Qty	56
Auto Preset Memory	Yes
HDMI Pass-Through	Yes
Frequency Response	10Hz-100kHz
Power Output	90 W per channel (8 ohms, 20Hz-20kHz, 0.08% THD)
Dolby Technologies	Dolby Digital Plus, Dolby TrueHD
DTS Technologies	DTS, DTS-HD Master Audio, DTS-HD High Resolution Audio, DTS Neo:6
Response Bandwidth	10 - 100000 Hz
Input Impedance	47 kΩ
Audio D/A Converter	24-bit / 192kHz
DSP Presets	Rock Arena, Jazz Club, Mono Movie, Matrix, Virtual, Game
Tuning Range	AM: 520 - 1710 kHz, FM: 87.5 - 108 MHz
Connector Type	HDMI
Amplifier Output Details	90W x 7 (8 ohms, 20Hz-20kHz, 0.08% THD)
Video Conversion	Yes (Composite to HDMI)