Sony HCD-RV990D Service Manual page 93

[MC Test Mode]
• This mode is used to check operations of the respective sections
of Amplifier, Tuner, and Tape.
Procedure:
• To enter MC Test Mode
1. Press the `/1 button to turn the power ON.
2. Press three buttons of x , GAME EQ and DISC 3
simultaneously.
* Check of Amplifier
Initial settings: Input , GAME
, FLAT
EQ
Mode , MUSIC
VACS , OFF
Output channel switching:
, L
MUSIC key: L
, SL
MOVIE key: L
, L, SL, C R , R, SR, SW through
GAME key:L
TOOL MODE key: L , C
1. When VOLUME control knob is turned clockwise even slightly,
the sound volume increases to is maximum and the message
"VOLUME MAX" is displayed for two seconds, then the display
returns to the original display.
2. When VOLUME control knob is tuned counter-clockwise even
slightly, the sound volume decreases to its minimum and the
message "VOLUME MIN" is displayed for two seconds, then
the display returns to the original display.
3. When you press the v button, the message "GEQ MAX" is
displayed, and the entire band of the graphic equalizer is set to
the maximum level.
4. When you press the V button, the message "GEQ MIN" is
displayed, and the entire band of the graphic equalizer is set to
the minimum level.
5. When you press the b , B or P FILE button, the message
"GEQ FLAT" is displayed, and the entire band of the graphic
equalizer is set to the center level.
6. Whenever you press the ENTER button, it toggles between
"VACS ON" and "VACS OFF" so that you can switch ON or
OFF of VACS.
* To return to normal mode again.
1. When you want to exit this mode, press the `/1 button.
2. The cold reset is enforced at the same time.
R , R through
R , SR through
R , SW through
HCD-RV660D/RV990D
[Aging Mode]
This mode can for operation check of tape deck section.
• If an error occurred:
The aging operation stops and display then status.
• If no error occurs:
The aging operation continues repeatedly.
Procedure:
1. Press the DVD button to select the function "DVD".
2. Load the tapes into the decks A and B respectively.
3. Set a disc in "DISC 1" tray.
4. Press the TUNER MEMORY/PLAY MODE button to set the
"ALL DISCS" mode, and press the FM MODE/REPEAT button
to "REPEAT" off.
5. Press three buttons of x , GAME EQ and DISC SKIP/EX-
CHANGE simultaneously.
6. The message "AGING" is displayed, and aging mode start.
7. To exit from the aging mode, operate the cold reset.
• The sequence during the aging mode is following as below.
• If an error occurred, stop display that step.
Aging mode sequence (Tape deck section):
Rewind the tape A
"TAPE AAG--1"
Rewind the tape B
"TAPE AAG--2"
FWD play the tape A
"TAPE AAG--3"
Fast forward the tape A
"TAPE AAG--4"
Shut off or 20 seconds
RVS play the tape A
"TAPE AAG--5"
Rewind the tape A
"TAPE AAG--6"
FWD play the tape B
"TAPE BAG--3"
Fast forward the tape B
"TAPE BAG--4"
Shut off or 20 seconds
RVS play the tape B
"TAPE BAG--5"
Rewind the tape B
"TAPE BAG--6"
Shut off
Shut off
2 minutes
2 minutes
Shut off
2 minutes
2 minutes
Shut off
5