Sony HCD-AZ2D Service Manual Download Page 22

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HCD-AZ2D/AZ5D

SECTION 4

TEST MODE

COLD RESET

The cold reset clears data except DVD data stored in the RAM to
initial conditions. Execute this mode when returning the set to the
customers.

Procedure:

1. Press the

?/1

button to turn the power on.

2. Press two buttons of

?/1

[DISPLAY]

and touch the

sensor

simultaneously.

3. The message “COLD RESET” is displayed on the fluorescent

indicator tube, then become standby mode.

PANEL TEST MODE

This mode is used to check the fluorescent indicator tube, LED,
model, destination, software version and key.

Procedure:

1. Press two buttons of

[DIMMER]

[DIRECTION]

and touch the

sensor simultaneously.

2. All LEDs and segments in fluorescent indicator tube are lighted

up.

3. When you want to enter the software version display mode,

touch the

–

sensor. The model name is displayed.

4. Each time

–

sensor is touched, the display changes from

destination, MC version, SYS version, UI version, DVD
version, ST version, TA version, TM version, TC version in
this order, and returns to the model name display.

5. When

sensor is touched while the version numbers are

being displayed except model name and destination, the date
of the software creation appear. When

sensor is touched

again, the display returns to the software version display. When

–

sensor is touched while the date of the software creation

is being displayed, the date of the software creation is displayed
in the same order of software version display.

6. Press the

[DSGX]

button, the key check mode is activated.

7. In the key check mode, the fluorescent indicator tube displays

“K 0”. Each time a button is pressed, “K 0” value increases.
However, once a button has been pressed, it is no longer taken
into account.

8. To release from this mode, press three buttons in the same

manner as step 1 or disconnect the power cord.

MEMORY CLEAR MODE

This mode moves clears main microprocessor data stored in the
RAM to initial conditions. Use this mode when returning the set to
the customer after repair.

Procedure:

1. Press the

?/1

button to turn the power on.

2. Touch the

[DVD]

sensor to select the “DVD”.

3. Press the

[EQ SELECT]

button and touch two sensors of

[DVD]

simultaneously.

4. After the “STANDBY” blinking display finish, the message

“MECH A LOCK” is displayed on the fluorescent indicator
tube.

DISC SLOT LOCK

This mode let you lock the disc slot. When this mode is activated,
the disc will not eject when

button is pressed. The message

“LOCKED” will be displayed in on the fluorescent indicator tube.

Procedure:

1. Press the

?/1

button to turn the power on.

2. Touch the

[DVD]

sensor to select the “DVD”.

3. Touch the

sensor and press the

button simultaneously

and hold down until “LOCKED” or “UNLOCKED” displayed
on the fluorescent indicator tube (around 5 seconds).

TUNER STEP CHANGE
(Except Saudi Arabian and Russian models)

The step interval of AM channels can be toggled between 9 kHz
and 10 kHz.

Procedure:

1. Press the

?/1

button to turn the power on.

2. Touch the

[TUNER/BAND]

sensor to select the “AM”.

3. Press the

?/1

button to turn the power off.

4. Touch the

–

sensor and press

?/1

button simultaneously.

The set power on automatically. The message “AM 9k Step”
or AM10k Step” displayed on the fluorescent indicator tube
and thus the channel step is changed.

FUNCTION NAME CHANGE

This mode let you change from VIDEO to SAT and vice-versa.

Procedure:

1. Press the

?/1

button to turn the power on.

2. Touch the

[VIDEO/SAT]

sensor and press

?/1

button

simultaneously. The set power on automatically and the
function will changed to SAT. Do the same procedures again
to change from SAT to VIDEO.