Marantz NR1509, Service Manual

Page: 113 / 149

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.
The priority order is
w
,
e
,
r
,
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 information does not match.
" ▲ " is displayed as the first character if the firmware is not correct (see the illustrations on
the right).
FIRM ERROR
– M:*************
– Main FBL :**.**
– DSP :**.**
– Audio PLD:**.**
– GUI :********
– PIMG :********
• Check the resistor for setting the region [R1202, 1206, DIGI-
TAL PCB].
• Write the firmware for the correct region.
PING Error display
• Check the circuits around the Logic [U1054] and SFROM
[U1048]. If there appear to be no problems, [U1054] or
[U1048] is faulty.
w
DIR NG
This error is displayed if there is no response from the DIR.
DIR ERROR 01
• Check the DIR [U1040, DIGITAL PCB] and surrounding cir-
cuits.
e
DSP NG
Boot error 1 (After reset the DSP, DSP_Flag0 port is " Low ")
DSP ERROR 01
• Check the DSP [U1021, DIGITAL PCB] and surrounding cir-
cuits.
Boot error 2 (After reset the DSP, DSP initialization is not completed)
DSP ERROR 02
(Unused)
DSP ERROR 03
Command error 1 (After sending the command to the DSP, DSP_Flag0 port is "
Low
".)
DSP ERROR 04
Command error 2 (After sending the command to the DSP, MCU received " COMMAND ER-
ROR ".)
DSP ERROR 05
Command error 3 (After sending the command to the DSP, MCU did not receive " COMMAND
SUCCESS ".)
DSP ERROR 06
IDL error 1 (Before receiving IDL, " COMMAND BYTE " is not cleared.)
DSP ERROR 07
IDL error 2 (MCU received " IDL SERIOUS ERROR ".)
DSP ERROR 08
SPI communication error
DSP ERROR 09
r
EEPROM NG
Error occurred in BACKUP. it is an error of the check sum.
BACKUP ERROR
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
113