Sony HCD-RV660D Service Manual Download Page 92

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HCD-RV660D/RV990D

[GC Test Mode]

• This mode is used to check the fluorescent indicator tube, LEDs,

keyboard, volume and phones.

Procedure:
1. Press three buttons of

, GAME EQ and DISC 2

simultaneously.

2. LEDs and fluorescent indicator tube are all turned on.
3. Press two buttons of GAME EQ and DISC 2 simultaneously.

Whenever these two buttons are pressed simultaneously, the
mode changes from Key check, Key count check, Headphones
input check and Volume check in this order.

4. When the Key check mode is entered, the message

“KEY :0 0 0” is displayed.
The keys that are assigned to the respective channels of the key
entry signal lines (KEY0, KEY1, KEY2) that are input to IC101
Display Controller on the PANEL board, are checked. While
you press the button, the number that corresponds to the key
shown in the table below, is displayed in the location of the
corresponding channel. (The

and DISPLAY buttons are

not included in these channels.)

[Cold Reset]

• The cold reset clears all data including preset data stored in the

RAM to initial conditions. Execute this mode when returning
the set to the customer.

Procedure:
1. Press three buttons of

, GROOVE and DISPLAY

simultaneously.

2. The message “COLD RESET” is displayed, and the set is reset.

[Hot Reset]

1. Press three buttons of

, GAME EQ and DISPLAY

simultaneously.

2. The message becomes blank instantaneously, and the set is reset.

[Tuner Step Change]

(Except for European and Middle Eastern

models)
• A step of AM channels can be changed over between 9 kHz and

10 kHz.

Procedure:
1. Press the

`/1

button to turn the power ON, and set the function

to TUNER/BAND “AM”.

2. Press the

`/1

button to turn the power OFF.

3. Press two buttons of ENTER and

`/1

simultaneously, and

the message changes to “AM 9 k STEP” or “AM 10 k STEP”,
and thus the channel step is changed over.

[VIDEO/MD Function Change]

• Change of function VIDEO or MD ( also the input level changes).
Procedure:
1. Press the

`/1

button to turn the power ON.

2. Press two buttons of MD (VIDEO) and

`/1

simultaneously,

and the message changes to “MD” or “VIDEO”, and thus the
channel step is changed over.

3. Press the

`/1

button to turn the power OFF.

[DISC TRAY LOCK]

The disc tray lock function for the antitheft of a demonstration disc
in the store is equipped.

Setting Procedure :
1. Press the

button to turn the power ON.

2. Press two buttons of

and

simultaneously for five seconds.

3. The message “LOCKED” is displayed, and the tray is locked.
Releasing Procedure :
1. Press two buttons of

and

simultaneously for five seconds.

2. The message “UNLOCKED” is displayed, and the tray is

unlocked.

Note:

When the message “LOCKED” is displayed, the tray lock is
not released by turning power ON/OFF with the

button.

2. TEST MODE

5. When the Key count check mode is entered, the message

“KEYCN:T 0 1” is displayed.
Whenever the button is pressed, number in the first digit
increments (39). At the same time, only when the key is being
pressed, the KEY channel is displayed in the second digit.
(KEY0: 1, KEY1: 2, KEY2: 3)
(The buttons that are already pressed once and the buttons of

and DISPLAY are not counted.)

6. When the Headphones input check mode is entered, the message

“H_P OFF” or “H_P ON” is displayed, and depending on the
PHONES jack status.

7. When the Volume check mode is entered, the message

“VOLUME FLAT” or “VOLUME DOWN” or “VOLUME UP”
is displayed, and depending on the VOLUME status.

8. You can exit the Test Mode when you press two buttons of

GAME EQ and DISC 2 simultaneously.

Display

Left

Center

Right

(KEY0)