Diagnosis Function - Sony CDX-GT51W Service Manual

CDX-GT51W/GT510/GT560/GT560S
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Description of the Diagnostics function:
1. Setting the Diag display mode
With the power off, press the [4/SHUF] button, [5] button, and
[4/SHUF] button on the set body or the remote control (for more
than 2 seconds) in turn.
2. Canceling the Diag display mode
During the Diag function mode, press the [OFF] button.
3. Initial display in the Diag display mode.
Just when the Diag mode is entered, "reset count" is displayed.
The display mode is switched by each rotation of
M > . m
/SEEK + or
Reset count display
0 1
Reset count by watchdog timer display
0 2
Number of connected units display
0 3 1
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Operating hours display
0 4
CD error information display
0 5 1
OFFSET/FAILURE error display
0 6 1 X X X X X
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SECTION 3

DIAGNOSIS FUNCTION

buttons.
/SEEK –
X X
X X
X X X
X X X X
X X
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4. Contents of each display mode
4-1. Reset count display mode
0 1 X X
Reset count
(in hexadecimal format)
Diag code
01: Reset count
4-2. Reset count by watchdog timer display mode
0 2 X X
Reset count
(in hexadecimal format)
Diag code
02: Number of resets by watchdog timer
4-3. Number of connected units display mode
0 3 1 X X X
Show the number of connected units for
CD-C, MD-C and XM respectively from
the rightmost (in hexadecimal format).
Recency of information
1-3: 1 represents the latest.
Q Q Diag code
3 6 7 1 3
03: Number of connected unit.
The display mode is switched by each rotation of [2/GP/ALBM +] or
[1/GP/ALBM --] buttons during the number of connected units display
mode.
No. of connected units history 1 (latest) display
No. of connected units history 2 display
No. of connected units history 3 display
4-4. Operating hours display mode
0 4 X X X X
Operating hours
(in hexadecimal format)
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Diag code
04: Operating hours
.
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
0 3 1 X X X
0 3 2 X X X
0 3 3 X X X
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9 9
2 8 9 9