Denon AirPlay AVR-3311CI, Service Manual

Page: 18 / 216

18
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
DSP 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)