Test Mode - Sony HCD-EC55 Service Manual

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[MC COLD RESET]
The cold reset clears all data including preset data stored in the
memory to initial conditions. Execute this mode when returning
the set to the customer.
Procedure:
1. In the standby status, press the @/1 button to turn the power
on.
2. Press three buttons of PLAY MODE/TUNING MODE ,
FUNCTION and at last @/1 simultaneously.
3. When "RESET" appears, the machine enters standby status.
[PANEL TEST MODE]
Enter The Panel Test Mode
Procedure:
1. In the standby status, press the @/1 button to turn the power
on.
2. Press three buttons of DISPLAY , x , and TUNER/BAND
simultaneously.
3. When the panel test mode is activated, LEDs and segments of
LCD are all turned on.
Version Check
Procedure:
1. In the panel test mode (all LEDs and segments of LCD are
turned on), press the FUNCTION button.
2. On the LCD, date and version are displayed "xxxxxxxx".
For example, "0904V014".
3. From this status, press the TUNER/BAND button, and the
destination is displayed. For example, "ER NA" or "ER E2"
4. To release from this mode, press three buttons of DISPLAY ,
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x , and TUNER/BAND simultaneously.
[CD REPEAT 5 LIMIT CANCEL MODE]
Number of repeats for CD playback is 5 times when the repeat mode
is "REPEAT". This mode enables CD to repeat playback for limitless
times.
Procedure:
1. Press the @/1 button to turn the power on.
2. Press the FUNCTION button to select CD function.
3. Press three buttons of CD u , DSGX , and DISPLAY
simultaneously.
4. It enters the CD repeat 5 limit cancel mode and displays "NO
LIMIT"
5. To release this mode, press the @/1 button to turn the power
off.
[CD SHIP MODE]
This mode can run the CD sled motor optionally. Use this mode, for
instance, when cleaning the optical pick-up.
Procedure:
1. Press the @/1 button to turn the power on.
2. Press the FUNCTION button to select CD function.
3. Press two buttons of CD u and @/1 simultaneously.
4. Set to the CD ship mode. (chucking on)
5. After blink "STANDBY", "LOCK" is displayed, disconnect
the AC plug.
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SECTION 4

TEST MODE

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[CD SLOT LOCK]
This mode is for the antitheft of CD disc in shop. (not for transport)
Procedure:
1. Press the @/1 button to turn the power on.
2. Press the FUNCTION button to select CD function.
3. Insert a disc.
4. While pressing the x button, press the Z button for more 5
seconds.
5. The message "LOCKED" is displayed and the disc slot is
locked. (Even if exiting from this mode, the disc slot is still
locked)
6. If press the Z button to eject the disc, the message
"LOCKED" is displayed and can not eject the disc.
7. To release this lock, while pressing the x button, press the
Z button for 5 seconds again.
8. The message "UNLOCKED" is displayed and the disc slot is
unlocked.
[CD POWER MANAGE]
This mode is for switch the CD power supply on/off. Even if this
state pulls out AC plug, it is held.
Procedure:
1. Press the @/1 button to turn the power on.
2. Press the FUNCTION button to select CD function.
3. Press the @/1 button again to turn the power off (standby).
4. After pressing the DISPLAY button, while pressing the x
button, press the @/1 button.
5. It turns power on and display "CD POWER", then display
"ON" or "OFF".
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[CHANGE-OVER THE AM TUNING INTERVAL]
(Except European and Russian models)
The AM tuning interval can be changed over 9 kHz or 10 kHz.
Procedure:
1. Press the @/1 button to turn the power on.
2. Press the TUNER/BAND button to select TUNER (AM)
function.
3. Press the @/1 button again to turn the power off (standby).
4. After pressing the DISPLAY button, while pressing the
TUNING+ML button, press the @/1 button.
5. It turns power on and display "9k STEP" or "10k STEP", and
thus the tuning interval is changed over.
[CD SHIP AND COLD RESET]
Procedure:
1. Press the @/1 button to turn the power on.
2. Press the FUNCTION button to select CD function.
3. Press three buttons of
CD u and @/1 simultaneously.
4. After blink "STANDBY", "RESET" is displayed, disconnect
the AC plug.
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