Μcom/Dsp Version Display Mode; Operation Specifications; Display Order; Error Display - Denon AVR-1911 Service Manual

1. µcom/DSP Version display mode
1.1. Operation specifications
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
q Sub-μcom NG No response from Sub-μcom
w DIR NG No response from DIR
When DSP boot, executing DSP reset makes no change to DSP1 FLAG0
port "H".
No change to DSP FLAG0 port "H" before issuing DSP command.
When DSP data read, executing WRITE="L" makes no change to ACK="H".
When DSP data read, executing REQ="L" makes no change to ACK="L".
When DSP data write, executing WRITE="H" makes no change to ACK="H".
e DSP1 NG
When DSP data write, executing REQ="L" makes no change to ACK="L".
When DSP special code boot, executing DSP reset makes no change to
DSP FLAG0 port "H".
No change to DSP FLAG0 port "H" before issuing DSP special read
command.
No change to DSP FLAG0 port "H" before DSP version read.
r EEPROM NG Error appeared in EEPROM checksum.(*** is a block address number.)
t Both SUB/DSP
/EEPROM OK
State
17
State
S U B E R R O R
D I R E R R O R
D S P E R R O R
D S P E R R O R
D S P E R R O R
D S P E R R O R
D S P E R R O R
D S P E R R O R
D S P E R R O R
D S P E R R O R
D S P E R R O R
E 2 P R O M E R R * * *
(No error display, version display only)
0 1
0 1
0 1
0 2
0 3
0 4
0 5
0 6
1 1
1 2
1 3