Read Sony HCD-S20 Service Manual online
HCD-S20
12
SECTION 3
TEST MODE
SOFTWARE VERSION
It can confi rm the software version.
It can confi rm the software version.
Procedure:
1. Press the [
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]
[CLEAR]
→ [
B
] → [RETURN]
(Displayed values in the following fi gure are example)
M20F3P15
Screen display
MCU IC
Software version
Software
difference
MPEG IC
Software version
Software Difference
Destination
Display
Specifi cations
110 – 240V AC area in
E model
E model
F3
FM 50 kHz step, no RDS,
Tuner output level 2.2 dB,
12 hours display
Tuner output level 2.2 dB,
12 hours display
Saudi Arabia model
F4
FM 50 kHz step, no RDS,
Tuner output level 4.2 dB,
12 hours display
Tuner output level 4.2 dB,
12 hours display
Mexican model
F4
FM 50 kHz step, no RDS,
Tuner output level 4.2 dB,
12 hours display
Tuner output level 4.2 dB,
12 hours display
Singapore model
F4
FM 50 kHz step, no RDS,
Tuner output level 4.2 dB,
12 hours display
Tuner output level 4.2 dB,
12 hours display
Argentina model
F3
FM 50 kHz step, no RDS,
Tuner output level 2.2 dB,
12 hours display
Tuner output level 2.2 dB,
12 hours display
Korean model
F6
FM 50 kHz step, no RDS,
Tuner output level 7.2 dB,
12 hours display
Tuner output level 7.2 dB,
12 hours display
Releasing method:
Press the [
Press the [
Z
] button to close the disc tray or press the [
?
/
1
] button
to turn the power off.
FACTORY RESET
It can clears all data including preset data stored in the memory to
initial conditions. Execute this mode when returning the this unit
to the customer.
It can clears 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. Press the [
?
/
1
] button to turn the power on.
2. Press two buttons of the [
x
] on the remote commander and
[EQ] on the main unit simultaneously for fi ve seconds.
3. The message “RESET OK is displayed on the fl uorescent indi-
cator tube, then returns to the normal mode.
TRAY LOCK
It can be unable to take sample disc out of disc tray in the shop.
It can be unable to take sample disc out of disc tray in the shop.
Procedure:
1. Press the [
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 [
4. Press the [
Z
] button to close the disc tray.
5. Press two buttons of the [
x
] on the remote commander and [
Z
]
on the main unit 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)
locked)
Releasing method:
1. Press two buttons of the [
1. Press two buttons of the [
x
] on the remote commander and [
Z
]
on the main unit simultaneously for fi ve seconds.
2. The message “UNLOCKED” is displayed on the fluorescent
indicator tube and the disc tray is unlocked.
PANEL TEST
It can confi rm the fluorescent indicator tube.
It can confi rm the fluorescent indicator tube.
Procedure:
1. Press the [
1. Press the [
?
/
1
] button to turn the power on.
2. Press two buttons of the [
x
] on the remote commander and [
x
/
CANCEL] on the main unit simultaneously for fi ve seconds.
3. All segments on the fluorescent indicator tube light up.
Screen display
Releasing method:
Press two buttons of the [
Press two buttons of the [
x
] on the remote commander and [
x
/
CANCEL] on the main unit simultaneously for fi ve seconds or
press the [
press the [
?
/
1
] button to turn the power off.
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