Test Mode - Sony HCD-ECL5 Service Manual

HCD-ECL5
SOFTWARE VERSION
It can confi rm the software version.
Procedure:
1. Press the [ / ] button to turn the power on.
? 1
2. Press the [ ] button to open the disc tray.
Z
3. Press the button on the remote commander as following order.
[CLEAR] → [ ] → [RETURN]
B
(Displayed values in the following fi gure are example)
Screen display
R1755P33
MCU version Model Region
4. The software version display disappears in about 5 seconds,
and it returns to the display of the normal mode.
FACTORY RESET
It can clear all data including preset data stored in the memory to
initial conditions. Execute this mode when returning the this unit
to the customer.
Procedure:
1. Press the [ / ] button to turn the power on.
? 1
2. Press two buttons of the [
x
seconds.
3. The message "RESET OK" is displayed on the fl uorescent in-
dicator tube, then returns to the normal mode.
TRAY LOCK
It can be unable to take sample disc out of disc tray in the shop.
Procedure:
1. Press the [ / ] button to turn the power on.
? 1
2. Press the [ ] button to open the disc tray.
Z
3. Set a disc on the disc tray.
4. Press the [ ] button to close the disc tray.
Z
5. Press two buttons of the [
seconds.
6. The message "LOCKED" is displayed on the fluorescent indi-
cator tube and the disc tray is locked.
(Even if pressing the [ ] button, the message "LOCKED" is
Z
displayed on the fluorescent indicator tube and the disc tray is
locked)
Releasing method:
1. Press two buttons of the [
seconds.
2. The message "UNLOCKED" is displayed on the fluorescent
indicator tube and the disc tray is unlocked.
14
SECTION 3

TEST MODE

MPEG version
] and [EQ] simultaneously for fi ve
] and [ ] simultaneously for fi ve
x Z
] and [ ] simultaneously for fi ve
x Z
CHILD LOCK
It can lock except for the [ /
? 1
from being operated by mistake.
Procedure:
1. Press the [ / ] button to turn the power on.
? 1
2. Press the [ ] button for fi ve seconds.
x
3. The message "LOCK ON" is displayed on the fl uorescent indi-
cator tube and the except for the [
(Even if pressing except for the [
"LOCK ON" is displayed on the fl uorescent indicator tube and
the operation is locked)
Releasing method:
1. Press the [ ] button for fi ve seconds.
x
2. The message "LOCK OFF" is displayed on the fl uorescent in-
dicator tube and the all buttons are unlocked.
Note: This mode is not released even if it unplugs a power cord.
VFD TEST
It can confi rm the fluorescent indicator tube.
Procedure:
1. Press the [ / ] button to turn the power on.
? 1
2. Press two buttons of the [
x
fi ve seconds.
3. All segments on the fluorescent indicator tube light up.
Screen display
4. All segments turn off the light in about 3 seconds, and it re-
turns to the display of the normal mode.
] button of a main unit to prevent
/ ] button is locked.
? 1
/ ] button, the message
? 1
] and [ENTER] simultaneously for