Sony HCD-D390 - Compact Audio And Video System Service Manual page 17

[Aging Mode]
This mode can be used for operation check of CD section and tape
deck section.
If an error occurred:
The aging operation stops.
If no error occurs:
The aging operation continues repeatedly.
1. Aging Mode in CD Section
1-1. Operating Method of Aging Mode
1. Set discs in DISC 1 and DISC 3 trays.
2. Select the function "CD".
3. Press three buttons GROOVE , ENTER/NEXT , and
DISC 5 simultaneously.
4. The aging mode is activated, if a roulette mark on the
fluorescent indicator tube is flashing.
5. In the aging mode, the aging is executed in a sequence given
in "1-2. Operation during Aging Mode".
The aging continues unless an alarm occurred.
6. To exit from the aging mode, press POWER button to turn
the set OFF.
If a button other than buttons in the CD section is pressed during
aging, the aging in the CD section is finished.
To execute aging to the tape deck section successively, press ·
button in the deck A.
"AGING" is displayed on the fluorescent indicator tube. (For
the aging in tape deck, see "2. Aging Mode in Tape Deck Section".
1-2. Operation during aging Mode
In the aging mode, the program is executed in the following
sequence.
1. The disc tray turns to select a disc. (For a disc selection
sequence, see Section 1-3.)
2. TOC of disc is read.
3. The pickup accesses to the last track.
4. Steps 1 through 3 are repeated.
1-3. Disc Selection Sequence
During the aging mode, discs are selected in the following
sequence:
Disc 1 Disc 3
Disc 3 Disc 1
2. Aging Mode in Tape Deck Section
2-1. Operating Method of Aging Mode
1. Load a commercially available 10-minute tape into the decks
A and B respectively.
(If a 10-minute tape is not available, another tape may be
used but a cycle time will be longer.)
2. Select the function "TAPE".
3. Rewind tapes in advance by pressing 0 button
respectively on decks A and B.
4. Press three buttons GROOVE , ENTER/NEXT , and
DISC 5 simultaneously.
5. Press · button on deck A. (This button triggers the aging
mode.)
6. The aging mode is activated if "AGING A" is displayed on
the fluorescent indicator tube.
7. In the aging mode, the aging is executed in a sequence given
in "2-2. Operation during Aging Mode".
The aging continues unless an alarm occurred.
8. To exit from the aging mode, press POWER button to turn
the set OFF.
2-2. Operation during Aging Mode
In the aging mode, the program is executed in the following
sequence.
1. A tape on FWD side is played for one minute.
2. PAUSE STOP is made.
3. Recording is made for 3 minutes. (For the deck not having
the record function, the play is executed.)
4. FF is executed up to the end of tape.
5. A tape is reversed, and the tape on REV side is played for
one minute.
6. PAUSE STOP is made.
7. Recording is made for 3 minutes. (For the deck not having
the record function, the play is executed.)
8. FF is executed up to the end of tape.
9. Steps 1 through 8 are executed for the other deck.
10. Steps 1 through 9 are repeated unless an alarm occurred.
2-3. Deck Selection Sequence
During the aging mode, decks are selected in the following
sequence:
Deck A (FWD)
Deck B (REV)
— 17 —
Deck A (REV)
Deck B (FWD)