Diagnosis Function - Sony CDX-GT572 Service Manual

CDX-GT572
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 [SEEK +/
M> .m
] or [SEEK –/
Reset count display
Reset count by watchdog timer display
Number of connected units display
Operating hours display
CD error information display
OFFSET/FAILURE error display
4. Contents of each display mode
4-1. Reset count display mode
Diag code Reset count
01: Reset count (in hexadecimal format)
4-2. Reset count by watchdog timer display mode
Reset count
(in hexadecimal format)
Diag code
02: Number of resets by watchdog timer
14
SECTION 4

DIAGNOSIS FUNCTION

] buttons.
4-3. Number of connected units display mode
Shown the number of connected
units for CD-C, MD-C and XM
respectivery from the rightmost
(in hexadecimal format).
Recency of information
1 - 3: 1 represents the latest.
Diag code
03: Number of connected unit
The display mode is switched by each rotation of [ALBM+] or
[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
Operating hours
(in hexadecimal format)
Diag code
04: Operating hours
4-5. CD error information display mode
4-5-1. Error description
Error description
(in hexadecimal format)
Recency of information
1 - 3: 1 represents the latest.
Diag code
05: CD error information
Error information
Indication Description
1X SERVO ERROR
3X LOADING ERROR
4X TRACK JUMP
5X TEXT ERROR
FX MECHA ERROR