Sony HCD-D690 Service Manual Download Page 31

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[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 fluo-

rescent indicator tube is blinking.

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 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 Sec-
tion”.

1-2. Operation during aging Mode
In the aging mode, the program is executed in the following se-
quence.

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 se-
quence:

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

button respec-

tively 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 ag-

ing 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 se-
quence.

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 hav-

ing 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 se-
quence:

Deck A (FWD)

→

Deck A (REV)

↑

↓

Deck B (REV)

←

Deck B (FWD)

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