Philips VAD8031 Service Manual page 8

EN 8 5. VAD 8031
5. Diagnostic Software
5.1 General
Please refer to the service manual of the recorder for a
description of the complete Diagnostics Software. In this
manual only drive specific error codes are explained.
5.2 Error Codes
With DSW command 910 (Digital Board Chrysalis) the set
software can retrieve an overview of all occurred engine errors.
5.2.1 Momentary Errors
Byte 0: latest error:
Overview of the BE error codes.
error error
code
0x00 no_error
0x01 illegal_command_error
0x02 illegal_parameter_error
0x03 command_timeout_error
0x04 sledge_home_error
0x05 sledge_calibration_error
0x06 sledge_unstable_error
0x07 speed_timeout_error
0x08 speed_window_error
0x09 focus_timeout_error
0x0A focus_retries_error
0x0B focus_agc_error
0x0C radial_timeout_error
0x0D radial_retries_error
0x0E radial_agc_error
0x0F radial_init_error
0x10 hf_pll_error
Diagnostic Software
meaning
No error has occurred
Command not allowed in this
state or unknown command
Parameter(s) not valid for
this command
The maximum execution
time for the command has
exceeded
The sledge could not be
moved home
An error occurred during cal-
ibration of the sledge
The sledge detected unsta-
ble control
Spindle motor could not
reach its target speed within
timeout
Measured spinning speed is
not within expected window
Focus could not be achieved
within the timeout
The amount of focus retries
expired
The focus agc results are out
of range
Servo didn't get on track
within the timeout
Servo didn't get on track after
several retries
The radial agc results are out
of range
Unreliable signal scaling af-
ter the radial initialisation
HF-decoder pll could not lock
to HF signal
0x11 wobble_pll_error
0x12 subcode_timeout_error
0x13 subcode_notfound_error
0x14 header_timeout_error
0x15 adip_timeout_error
0x16 adip_window_error
0x17 adip_sync_error
0x18 atip_timeout_error
0x19 atip_notfound_error
0x1A atip_window_error
0x1B atip_sync_error
0x1C tray_error
0x1D seek_error
0x1E no_hf_present_error
0x1F record_error
0x20 illegal_stopaddress_error
0x21 no_disc_error
0x22 not_initialised_error
0x23 illegal_medium_error
0x24 cd_frequency_error
0x25 dvd_frequency_error
0x26 re-
served(non_existing_bca_
error)
0x27 reserved(bca_read_error) An error occurred during
0x28 selftest_error
0x29 i2c_error
0x2A laser_pll_error
0x2B laser_forward_sense_erro
r
0x2C jitter_optimisation_error
0x2D tilt_calibration_error
0x2E reserved
Wobble pll could not lock to
wobble signal
Subcode information could
not be read
Requested subcode item
could not be found
Header information could not
be read
Adip information could not be
read
Adip address was not within
expected window
No adip sync was detected
Atip information could not be
read
Requested atip item could
not be found
Atip address was not within
expected window
No atip sync was detected
Tray could not be closed or
opened within the timeout
The requested seek couldn't
be performed within the time-
out
Attempt to read from a blank
area
An error occurred during the
recording
The requested stopaddress
with modify-stop-address is
not valid
No disc is detected
The system is not initialised
(e.g. seek on unknown disc-
type)
BE detected an unsupported
medium during disc recogni-
tion
Measured HF frequency is
not within CD frequency
range
Measured HF frequency is
not within DVD frequency
range
Attempt to read non-existing
bca information
reading of bca information
An error occurred during the
self-test of the BE
The I2C interface does not
operate
Laser control pll did not lock
or lost lock on write clock
Forward sense value didn't
change with changing laser
power
An error occurred during op-
timisation of the jitter
An error occurred during cal-
ibration of the tilt frame