Denon AVR-2312 Service Manual page 19

1.3. Error display
See the following table for each "Error information" display and its explanation (status).
Display order is q , w , e , r , t , y , u , i .
Condition
Compared with the destination setting
q
on the board. This is displayed when the
Firm Check
model name or destination information
written into the firmware does not match.
NG
( b 1)
w
Error occurs in GUI version and Main
GUI Version
μ-com version.( b 2)
NG
e
No response from SUB microcomputer.
SUB NG
r
No response from DIR
DIR NG
When DSP code boot is performed, the
DSP FLAG0 port does not change to "H"
even if DSP reset is executed.
Before DSP command is issued, the DSP
BUSY port does not change to "L".
When DSP data read is performed,
executing WRITE="L" does not result in
ACK="H".
t
When DSP data read is performed,
DSP NG
executing REQ="L" does not result in
ACK="L".
When DSP data writing is performed,
executing WRITE="H" does not result in
ACK="H".
When DSP data writing is performed,
executing REQ="L" does not result in
ACK="L".
y
An error has occurred in the i/p Scaler
IP SCALER
(ADV8002)initial settings. The error is a
DDR memory Loopback Test error.
NG
Error occurs in E2PROM checksum.(*** is
u
E2PROM NG a block address number.)
i
Both DSP /
EEPROM OK
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 first column, as shown on
the right. s
Status
I P
(No error display, version display only)
Status
FL Display
F I R M E R R O R
G U I V E R . E R R O R
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
S C A L E R E R R
E 2 P R O M E R R * * *
FL Display
M a i n : * * . * *
S U B : * * . * *
D S P : * * . * *
A u d i o P L D : * * . * *
G U I : * * * * * * * *
19
Trouble shooting
• Please check the
destination-resistors
(R2060/R2061, HDMI
B'D).
• Please write the
firmware of correct
destination.
• Please check the
firmware of correct
version.
• Please check SUB
0 1 (IC231) and arroud
circuits.
• Please check DIR
（IC403/IC404/IC405,
0 1
HDMI B'D) and around
circuits.
0 1
0 2
0 3
• Please check DSP
（IC408, HDMI B'D)
and around circuits.
0 4
0 5
0 6
• Please check
0 1
ADV8002 (IC151) and
arroud circuits.