Denon AVR-X4000

Condition Status FL Display Trouble shooting
t
DIR NG
No response from DIR
D I R E R R O R 0 1
• Please check DIR
（
IC403, DIGITAL B'D)
and around circuits.
y
DSP1 NG
When DSP code boot is performed, the DSP
FLAG0 port does not change to "H" even if
DSP reset is executed.
D S P 1 E R R O R 0 1
• Please check DSP
（
IC408, DIGITAL B'D)
and around circuits.
Before DSP command is issued, the DSP
BUSY port does not change to "L".
D S P 1 E R R O R 0 2
When DSP data read is performed, executing
WRITE="L" does not result in ACK="H".
D S P 1 E R R O R 0 3
When DSP data read is performed, executing
REQ="L" does not result in ACK="L".
D S P 1 E R R O R 0 4
When DSP data writing is performed,
executing WRITE="H" does not result in
ACK="H".
D S P 1 E R R O R 0 5
When DSP data writing is performed,
executing REQ="L" does not result in
ACK="L".
D S P 1 E R R O R 0 6
u
DSP2 NG
When DSP code boot is performed, the DSP
FLAG0 port does not change to "H" even if
DSP reset is executed.
D S P 2 E R R O R 0 1
Please check DSP
（
IC421, DIGITAL B'D)
and around circuits.
Before DSP command is issued, the DSP
BUSY port does not change to "L".
D S P 2 E R R O R 0 2
When DSP data read is performed, executing
WRITE="L" does not result in ACK="H".
D S P 2 E R R O R 0 3
When DSP data read is performed, executing
REQ="L" does not result in ACK="L".
D S P 2 E R R O R 0 4
When DSP data writing is performed,
executing WRITE="H" does not result in
ACK="H".
D S P 2 E R R O R 0 5
When DSP data writing is performed,
executing REQ="L" does not result in
ACK="L".
D S P 2 E R R O R 0 6
i
E2PROM
NG
Error occurs in E2PROM checksum.(*** is a
block address number.)
E 2 P R O M E R R * * *
o
Both DSP /
EEPROM
OK
(No error display, version display only)
Status FL Display
b
1,
b
2
The written Firmware and product settings
(model name, brand name, destination) are
compared. If Firmware that is not designed
for this product is written, ▲ is displayed in
the rst column, as shown on the right.
–
M a i n : * * . * *
–
S U B : * * . * *
–
D S P 1 : * * . * *
–
D S P 2 : * * . * *
–
A u d i o P L D : * * . * *
–
G U I : * * * * * * * *
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