Service Mode; Product Reset - Marantz SR5600 Service Manual
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Also See for SR5600:
- User manual (42 pages) ,
- Full line catalog (39 pages) ,
- Specifications (3 pages)
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4. SERVICE MODE
Microprocessor (IC28), DSP(IC20 )Version and FLD Segment Check Mode.
1.
While the power is on, MULTI, EXIT and 7.1CH INPUT buttons simultaneously more than 3 seconds.
The FL display shows "SERVICE MODE" for 2 seconds then shows the model name.
S
E
R
V
I
S
R
2.
Press MULTI button, The software version of the microprocessor (IC28) is displayed in the format below.
V
0
4
0
6
Year
Month
3.
Press MULTI button again, The software Type Number is displayed.
S
O
F
T
4.
Press MULTI button again, The Code Group Type Number is displayed.
C
O
D
E
5.
Press MULTI button again, The left half, right half and center of the label area in the FLD light on and off each other.
6.
Press MULTI button again, The segments of the character area in the FLD flick in checker pattern.
7.
Press MULTI button again, All the FL segments turns off.
8.
Press MULTI button again. Every time MULTI button is pressed, DSP code is indicated in turn from NO.1 to NO.10.
C
D
0
1
No.
No. : DISP CODE ID Dev. : Device ID SIG. : CODE SIG ID
TYP. : CODE TYPE ID Ver. : Version
9.
Press MULTI button again to quit this mode.
Note: Step4, 5 is to check if CPU software is capable of DSP code. "Software Type No" is to show what "DSP Code Group"
CPU is capable of. And vice versa.
Step 8 is to manage the 16 codes for DSP.
• When the unit is once turned into Service Mode, the unit keeps this mode until the main power is turned off.
(Turning into stand-by mode does not make it quit from Service Mode.) When the unit quits from Service Mode,
Information in the memory is also cleared and the unit returns to the status when it is out from the factory.
Product Reset
To reset the back up memory of the unit into the default status, follow the procedure below.
1.
Turn of the unit and press 7.1CH INPUT and MULTI button simultaneously more than 1.5 seconds.
2.
After "DEFAULT" is displayed on FLD, power is turned off once and turned of again, EEPROM is cleared to the default
status, microprocessor is reset and the unit returns to the normal status. (Software Serial Number will not be cleared.)
Note: When the unit is shipped from the factory, the procedure above must be done to set the unit to initial status after the
tests.
C
E
M
O
D
5
6
0
0
2
4
I
U
Date
Dest.
(Dest. : Destination)
T
Y
P
E
(XX is displayed in Hex)
T
Y
P
E
X
X
(XXXX is displayed in Hex)
0
1
0
2
0
1
Dev.
SIG
TYP
E
X
X
X
X
0
1
Ver.
7
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