Sony HCD-MX700Ni Service Manual page 19

CD ERROR CODE
The past errors of the CD mechanism (CDM) are displayed as the
CDM Errors, and those of the optical pick-up system (= optical
unit + BD96U board) are displayed as the BD Errors as shown
below.
Procedure:
1. Press the [ ] button to turn the power on.
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2. Press the [FUNCTION] button to select CD function.
3. Press three buttons of [OPTIONS] and [
4. BD and CDM error counts are displayed on the fl uoresent in-
dicator tube as shown below.
Em**Ed** X
Mode-in count
BD error count
CDM error count
5. Press the [ + ] button.
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6. Then, the CDM error code is displayed as "M0xxxxxxxx" (x
means hexadecimal number) on the liquid crystal element as
shown below.
7. Every pressing of the [M L TUNE +] button in this mode
increments the number after "M" starting from "M0" up to
"M9", and then returns to "M0". Every pressing of the [l
m TUNE –] button in this mode decrements the number after
"M". The smaller the error code number is, the newer the error
content is.
Press the [ –] button to return to the previous display.
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8. When the [ + ] button is pressed then, the BD error code
v
is displayed as "D0xxxxxxxx" (x means hexadecimal number)
on the fl uoresent indicator tube as shown below. In the same
way as the CDM error code, use of the [M L TUNE +]
and the [l m TUNE –] buttons in this mode enables trac-
ing of the error history.
Press the [ –] button to return to the previous display.
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Releasing method:
Press the [ / ] button to turn off the system.
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Contents of "CDM Errors"
Error display example
M 0 FF 11 42 00
1 2 3 4 5
1 It indicates the error history number
0 to 9: The error code number 0 indicates the newest error.
2 It indicates whether the CDM error occurs in the normal opera-
tions or during the initialization operation.
FF : The error has occurred in the normal opera-
tions.
Other than FF : The error has occurred during the initialization
operation.
3 It indicates the processing during which the trouble has oc-
curred.
01: The disc EJECT processing is in progress.
02: The disc INSERTION-WAITING processing is in prog-
ress.
03: Processing of the disc INSERTION-REQUEST for the up-
per CD tray is in progress.
04: Processing of the disc EJECTION-REQUEST for the up-
per CD tray is in progress.
05: The disc pulling-in operation is in progress.
06: The disc chucking processing is in progress.
07: The disc re-chucking processing is in progress.
4 It indicates the operation during which the trouble has oc-
] simultaneously.
u
5 Reserve
Contents of "BD Errors"
Error display example
1 It indicates the error history number
2 It indicates the error content
3 It indicates the on-going processing of optical pick-up system
4 It indicates the disc speed when the trouble has occurred.
5 It indicates the disc speed when the trouble has occurred.
HCD-MX700Ni/MX750Ni
08: The disc chucking-release completion operation is in prog-
ress.
curred.
00 : Waiting for the operation.
10 to 13 : The disc EJECT operation is in progress.
20 : The disc pulling-in operation is in progress.
30 : The disc chucking-release operation is in progress.
40 to 43 : The disc EJECT operation due to error is in prog-
ress.
00: Fix
D 0 02 09 01 01
1 2 3 4 5
0 to 9: The error code number 0 indicates the newest error.
01: The focus servo cannot lock-in.
02: GFS is no good (NG).
03: The startup time exceeds the specifi ed period of time (time
over)
04: The focus servo is unlocked continuously.
05: Q code cannot be obtained within the specifi ed period of
time.
06: The tracking servo cannot lock-in.
07: Blank disc
(= optical unit + BD96/BD96U board) when the trouble has
occurred.
01: The CD SHIP mode processing is in progress.
02: The POWER OFF processing is in progress.
03: The INITIALIZE processing is in progress.
04: The optical pick-up system (= optical unit + BD96U) is in
the stop state.
05: The STOP operation is in progress.
06: The startup processing is in progress.
07: The TOC read-in processing is in progress.
08: The SEARCH operation is in progress.
09: The PLAY operation is in progress.
0A: The PAUSE operation is in progress.
0B: The PLAY – MANUAL SEARCH operation is in prog-
ress.
0C: The PAUSE – MANUAL SEARCH operation is in prog-
ress.
It indicates the step number of each processing specifi ed by 3.
Because the numbers of steps are different in each processing,
this number is different in each processing.
01: 1x (normal)
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