Marantz SR5006 Service Manual page 20

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 .
Condition
Compared with the destination setting on
the board. This is displayed when the model
q
Firm Check NG name or destination information written into
the firmware does not match. ( b )
w
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". s
When DSP data read is performed,
executing WRITE="L" does not result in
ACK="H".
e
DSP NG
When DSP data read is performed, 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".
Error occurs in EEPROM checksum.
r
EEPROM NG (*** is a block address number.)
t
Both DSP /EEPROM OK
Status
b
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 upper right column, as
shown on the right. s
Status
(No error display,
version display only)
FL Display
M A I N
* * * * * * * *
B *
L - * * . *
D S P
*
* * . * s
20
FL Display
• Please check the destination-
F I R M
resistors (R773/R776, HDMI B'D).
E R R O R
• Please write the firmware of
correct destination.
D I R
• Please check DIR（IC21, HDMI
E R R O R
B'D) and around circuits.
0 1
D S P
E R R O R
0 1
D S P
E R R O R
0 2
D S P
E R R O R
0 3
• Please check DSP（U8, HDMI
B'D) and around circuits.
D S P
E R R O R
0 4
D S P
E R R O R
0 5
D S P
E R R O R
0 6
E 2 P R O M
E R R O R
* * *
A . P L D
*
* * . *
O S D
* * * * * * * *
Trouble shooting
s