HCD-RV2, HCD-RV5, HCD-RV6 - Sony Audio Service Manual (repair manual). Page 3

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• 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  x  ,  ENTER  (HCD-RV5/RV6) or

 GROOVE  (HCD-RV2), and  ?/1  simultaneously.

2. The fluorescent indicator tube display “COLD RESET” and the

set is reset.

1. Press three buttons  x  ,  GAME EQ  , and  DISPLAY  simulta-

neously.

2. The fluorescent indicator tube becomes blank instantaneously,

and the set is reset

 (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  ?/1  button to turn the set ON.
2. Select the function “TUNER”, and press  TUNER/BAND  but-

ton to select the BAND “AM”.

3. Press  ?/1  button to turn the set OFF.
4. Press  ENTER  and  ?/1  buttons simultaneously, and the dis-

play of fluorescent indicator tube changes to “AM 9 k STEP” or
“AM 10 k STEP”, and thus the channel step is changed over.

• Change of function VIDEO or MD ( also the input level changes).
Procedure:
1. Press  ?/1  button to turn the set ON.
2. Press  VIDEO (MD)  and  ?/1  buttons simultaneously, and the

display of fluorescent indicator tube changes to “MD” or
“VIDEO”, and thus the channel step is changed over.

3. Press  ?/1  button to turn the set OFF.

• This mode is used to check the FL tube, LED, keyboard, volume

and phones.

Procedure:
1. Press three buttons  x ,  GAME EQ , and  DISC 2  simulta-

neously.

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

2 . 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 display shows the

indication of “KEY 0 0 0”.
The keys that are assigned to the respective channels of the key
entry signal lines (KEY0, KEY1, KEY2) that are input to IC701
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 correspond-
ing channel. (The  ?/1  and  DISPLAY  buttons are not included
in these channels.)

5. When the Key count check mode is entered, the display shows

the indication of “KEYCNT 0 0”.
Whenever the button is pressed, number in the first digit incre-
ments. (RV90D: 38) 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
 ?/1  and  DISPLAY  are not counted.)

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

shows the indication of “H_P OFF” or “H_P ON” depending on
the PHONES jack status.

7. When the Volume check mode is entered, the display shows the

indication of “VOLUME FLAT” or “VOLUME DOWN” or
“VOLUME UP” depending on the VOLUME status.

8. You can exit the Test Mode when you press the   GAME EQ

and  DISC 2  buttons simultaneously.

Display

Left

Center

Right

(KEY0)

(KEY1)

(KEY2)

1

CD

X

DISC 1

2

TUNER/BAND

x

DISC 2

3

TAPE A/B

ALBUM +

DISC 3

4

VIDEO (MD)

>

Z OPEN/CLOSE

5

GAME

M +

DISC SKIP/

EX-CHANGE

6

KARAOKE PON

g G

TUNER MEMORY

PLAY MODE

7

SPECTRUM

– m

FM MODE

REPEAT

8

GAME EQ

ALBUM –

DIRECTION

EDIT

9

MUSIC EQ

.

CD SYNC

10

EFFECT ON/OFF

b

REC

PAUSE/START

11

GAME MIXING

V

P FILE

12

GROOVE

B

ENTER

13

PICTURE EFFECT

v

MOVIE EQ

14

—

—

SURROUND

SPEAKER MODE