Denon AVR-S910W, Руководство по обслуживанию

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1.4. Error display
See the table below for descriptions of the displayed errors and countermeasures for these.
If multiple errors occur, only one item is displayed.
Item is displayed. The priority order is
w
,
e
,
r
,
t
,
y
,
u
,
q
.
Condition States Display TROUBLE SHOOTING
q
Firm Check
NG
The model name, brand name and region
information written in the firmware are
compared to the region settings in the
PCB. This error is displayed if the informa-
tion does not match.
" ▲ " or " ▼ " is displayed as the first char-
acter if the firmware is not correct (see the
illustrations on the right).
F I R M E R R O R
–
M a i n : * * * * * * * *
– D S P : * * . * *
–
A u d i o P L D : * * . * *
•
G U I : * * * * * * * *
• Check the resistor
for setting the re-
gion(R1524 / 1525
HDMI PCB).
• Write the firmware for
the correct region.
w
IP SCALER NG
An error occurs in Loopback Test of the
DDR memory which is performed during
the initial setting of i/p Scaler (ADV8003).
I P S C A L E R E R R 0 1
• Check the circuits
around the IP SCALER
(U1026, HDMI PCB) and
DDR2 (U1028/1029).
If there appear to be
no problems, U1026 or
U1028/1029 is faulty.
During the initial setting of i/p Scaler (
ADV8003 ) , there is not the reply of the
Loopback Test result of the DDR memory .
I P S C A L E R E R R 0 2
e
GUI Serial
Flash NG
If the Main CPU version is not supported
by the GUI Serial Flash (ADV8003),
G U I V E R . E R R O R
• Check the firmware
version.
r
DIR NG
This error is displayed if there is no re-
sponse from the DIR.
D I R E R R O R 0 1
• Check the DIR (U1040,
HDMI PCB) and sur-
rounding circuits.
t
DSP NG
The DSP FLAG0 port does not enter "
Hi
"
status while booting a DSP code even
after resetting DSP.
D S P E R R O R 0 1
• Check the DSP (U1073,
HDMI PCB) and sur-
rounding circuits.
The DSP FLAG0 port does not enter "
Hi
"
status before issuing a DSP command.
D S P E R R O R 0 2
Setting WRITE to "
Lo
" does not set ACK to
"
Hi
" during DSP data reading.
D S P E R R O R 0 3
Setting REQ to "
Lo
" does not set ACK to
"
Lo
" during DSP data reading.
D S P E R R O R 0 4
Setting WRITE to "
Hi
" does not set ACK to
"
Hi
" during DSP data writing.
D S P E R R O R 0 5
Setting REQ to "
Lo
" does not set ACK to
"
Lo
" during DSP data writing.
D S P E R R O R 0 6
y
EEPROM NG
An error occurred in a checksum of the
EEPROM(*** is a block address number).
E 2 P R O M E R R * * *
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