Denon AVR-791 Service Manual

17
1. µcom/DSP Version display mode
1.1. Operationspecications
µcom/DSP version display mode:
When started up, the version information is displayed.
Starting up:
With the "DIMMER" and "STATUS" buttons pressed, press the "ON/STANDBY" button to turn the power on.
Now, press the "STATUS" button to the display the 2nd item information on the FL Display.
1.2. Display Order
Destination information → Main-µcom version → Main 1st Boot version → Sub-µcom version
→ Sub 1st Boot Loader Version → DSP version → APLD version → USB version
→ HD Radio SDK version (1911E3 model only)
s
→ HD Radio BBP version (1911E3 model only)
s
1.3. Error display
See the following table for each "Error information" display and its contents (status).
Display order is
q
,
w
,
e
,
r
,
t
.
Condition State State
q
Sub-μcom NG No response from Sub-μcom
S U B E R R O R 0 1
w
DIR NG No response from DIR
D I R E R R O R 0 1
e
DSP1 NG
When DSP boot, executing DSP reset makes no change to DSP1 FLAG0
port "H".
D S P E R R O R 0 1
No change to DSP FLAG0 port "H" before issuing DSP command.
D S P E R R O R 0 2
When DSP data read, executing WRITE="L" makes no change to ACK="H".
D S P E R R O R 0 3
When DSP data read, executing REQ="L" makes no change to ACK="L".
D S P E R R O R 0 4
When DSP data write, executing WRITE="H" makes no change to ACK="H".
D S P E R R O R 0 5
When DSP data write, executing REQ="L" makes no change to ACK="L".
D S P E R R O R 0 6
When DSP special code boot, executing DSP reset makes no change to
DSP FLAG0 port "H".
D S P E R R O R 1 1
No change to DSP FLAG0 port "H" before issuing DSP special read
command.
D S P E R R O R 1 2
No change to DSP FLAG0 port "H" before DSP version read.
D S P E R R O R 1 3
r
EEPROM NG Error appeared in EEPROM checksum.(*** is a block address number.)
E 2 P R O M E R R * * *
t
Both SUB/DSP
/EEPROM OK
(No error display, version display only)

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)