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21

Demonstration lock/
unlock

Ejection of the disc is prohibited.
The lock setting is effective until unlocking the
tray and not released by “Main unit initializa-
tion” of service mode.

*When lock the tray.

“LOCK” is displayed for 3 seconds.

When the power is on, press
[STOP] and [POWER] keys simulta-
neously for 5 seconds in the condi-
tion that a disc in the tray.

Time difference between pressing
[STOP] and [POWER] should be
within 0.5 sec.

*When unlock the tray.

“UNLOCK” is displayed for 3 sec-
onds.

When the power is on, press
[STOP] and [POWER] keys simulta-
neously for 5 seconds while the tray
being locked.

Time difference between pressing
[STOP] and [POWER] should be
within 0.5 sec.

*When press OPEN/CLOSE key
while the tray being locked.

Display “LOCK” for 3 seconds.

Press [OPEN/CLOSE] key while the
tray being locked.

ATP re-execution

Re-execute ATP.

Display at ATP executing.

When the power is on (E-E mode),
press [CH UP] and [CH DOWN]
simultaneously for 5 seconds.

Progressive initialization

The  progressive setting is initialized to Inter-
lace.

The display before execution
leaves.

When the power is on (E-E mode),
press [STOP] and [PLAY] simulta-
neously for 5 seconds.

Item

FL display

Key operation

Mode name

Description

Front Key

22

Service mode setting: While the power is off, press REC, CH UP and OPEN / CLOSE simultaneously for five seconds.

Item

FL display

Key operation

Mode name

Description

(Remote controller key)

Release Items

Item of Service Mode executing is cancelled.

Press [0] [0] or [Return] in service
mode.

Error Code Display

Last Error Code of U/H/F held by Timer is dis-
played on FL.
*Details are described in “7.1.1. Self-Diagno-
sis Functions”.

If any error history does not exist,
[F00] is displayed.

Press [0] [1] in service mode

ROM Version Display

1. Region code (displayed for 5 sec.)
2. Main firm version (displayed for 5 sec.)
3. Timer firm version (displayed for 5 sec.)
4. Drive firm version (displayed for 5 sec.)
5. ROM correction version (displayed for 5
    sec.)
6. Loader version (displayed for 5 sec.)
7. Device information version (displayed for 5 
    sec.)
8. ST Microprocessor version (left displayed)
                                              (DMR-EX79A only)

Press [0] [2] in service mode

White Picture Output

White picture is output as component Output
from AV Decoder.
*White picture
(Saturation rate : 100%)
*It is enable to switch Interlace/Progressive
by “I/P switch: [1] [4]”

*Initial mode is “Interlace”.

Press [1] [1] in service mode.

Switch Interlace/Progressive

Press [1] [4] in White Picture Output
mode.
*I/P are switched alternately.

23

Magenta Picture Output

Magenta picture is output with Component
Output from AV Decoder.
*Magenta picture
(Saturation rate: 100%)
*It is enable to switch Interlace/Progressive
by “I/P switch: [1] [4]”

*Initial mode is “Interlace”.

Press [1] [2] in service mode.

Switch Interlace/Progressive

Press [1] [4] in Magenta Picture
Output mode.
*I/P are switched alternately.

RTSC Return in XP
(A & V)

AV1 input signal is encoded (XP), decoded
(XP) and output decoded signal to external
without DISC recording and DISC playback.

Initial mode: EE2/ Interlace/ XP/
Audio 48kHz

Press [1] [3] in service mode.

Switch Interlace/Progressive

Press [1] [4] in RTSC Return XP
mode.
*I/P are switched alternately.

Audio 44.1 kHz/ 48 kHz Switch

Press  [2]  [4]  in  RTSC  Return  XP
mode.
*48 kHz / 44.1 kHz are switched
alternately.

I/P Switch

Switch Interlace and Progressive in EE mode.
*Initial setting is “Interlace”.
*This command is effective during executing
“White Picture Output”, “Magenta Picture Out-
put” and “RTSC Return in XP (A & V)” modes.

Initial mode is Interlace

Switch Interlace/Progressive

Press [1] [4] in I/P Switch mode.
*I/P are switched alternately.

Audio Mute (XTMUTE)

Check whether mute is applied normally by
the timer microprocessor.

Press [2] [1] in service mode.

Audio Mute (XDMUTE)

Check whether mute is applied normally by
the Digital P.C.B..

Press [2] [2] in service mode.

Audio Pattern Output

The audio pattern stored in the internal mem-
ory is output
(Lch: 1kHz/-18dB)
(Rch: 400Hz/-18dB)
*Audio sound clock switching operation of
DAC can be confirmed by sub command [2]
[4].

Initial mode (Audio 48kHz)

Press [2] [3] in service mode.

Audio 44.1kHz/48kHz switching

Press [2] [4] in Audio Pattern Output
mode.
*48 kHz / 44.1 kHz are switched
alternately.

Item

FL display

Key operation

Mode name

Description

(Remote controller key)

24

HDD READ SEEK
Inspection

Inspecting seek time of HSS to inspect perfor-
mance.

At start

The [*] sign is added every 20 sec-
onds while inspecting.
Two digits on the right side are the
progress level of the inspection
(The unit is %).
Example on the way of inspection:

When HDD is OK after inspection:

(NG is displayed when error is
excluding o )
(Transfer rate is calculated from the
AV scanning result, and when it is
less than 35Mbps, NG is displayed.)

$: [X] is displayed when seek time is
over 270msec., there is error or
transfer rate is NG. 
Position at $ is space when exclud-
ing those.
##: Number of data of over
100msec. and less than 270msec.
When it is over 100, [99] is dis-
played.
When the number is less than 5, we
judge it normal.

Press [3] [1] in service mode.
* When canceling the inspection
mode while executing, do “forced
power-off”.
Method:
Press [POWER] key more than 4
seconds.

Item

FL display

Key operation

Mode name

Description

(Remote controller key)