Sony HCD-ECL77BT, Service Manual

Page: 16 / 44

HCD-ECL77BT/ECL99BT
16
SECTION 3
TEST MODE
SOFTWARE VERSION
It can con fi rm the software version.
Procedure:
1. Press the [
?
/
1
] button to turn the power on.
2. Press the [
Z
] button to open the disc tray.
3. Press the button on the remote commander as following order.
[CLEAR]
→
[
B
]
→
[RETURN]
(Displayed values in the following fi gure are example)
177B1306
Screen display
MCU version Bluetooth version
Destination
Model MPEG version
Model
Model Display
HCD-ECL77BT
7
HCD-ECL99BT
9
Destination
Destination Display
AEP
A
US
B
Canadian
C
UK
0
220 – 240V AC area in E (E4)
1
240V AC area in E (E93)
2
120V AC area in E (E2)
4
Chilean and Peruvian (E51)
5
Mexican
6
Brazilian
7
Argentina
8
Russian
9
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 [
?
/
1
] button to turn the power on.
2. Press two buttons of the [
x
] and [EQ] simultaneously for fi ve
seconds.
3. The message “RESET” is displayed on the fl uorescent indica-
tor 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 [
?
/
1
] button to turn the power on.
2. Press the [
Z
] button to open the disc tray.
3. Set a disc on the disc tray.
4. Press the [
Z
] button to close the disc tray.
5. Press two buttons of the [
x
] and [
Z
] simultaneously for fi ve
seconds.
6. The message “LOCKED” is displayed on the fluorescent indi-
cator tube and the disc tray is locked.
(Even if pressing the [
Z
] button, the message “LOCKED” is
displayed on the fluorescent indicator tube and the disc tray is
locked)
Releasing method:
1. Press two buttons of the [
x
] and [
Z
] simultaneously for fi ve
seconds.
2. The message “UNLOCKED” is displayed on the fluorescent
indicator tube and the disc tray is unlocked.
CHILD LOCK
It can lock except for the [
?
/
1
] button of a main unit to prevent
from being operated by mistake.
Procedure:
1. Press the [
?
/
1
] button to turn the power on.
2. Press the [
x
] button for fi ve seconds.
3. The message “LOCK ON” is displayed on the fl uorescent indi-
cator tube and the except for the [
?
/
1
] button is locked.
(Even if pressing except for the [
?
/
1
] button, the message
“LOCK ON” is displayed on the fl uorescent indicator tube and
the operation is locked)
Releasing method:
1. Press the [
x
] button for fi ve seconds.
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 con fi rm the fluorescent indicator tube.
Procedure:
1. Press the [
?
/
1
] button to turn the power on.
2. Press two buttons of the [
x
] and [ENTER] simultaneously for
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.