HCD-XB8K, LBT-XB8AVK, LBT-XB8AVKS - Sony Audio Service Manual (repair manual). Page 10

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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.

1-1. Operating procedure of Aging Mode

1. Set discs in DISC 1 and DISC 3 trays.
2. Select the function “CD”.
3. Press three buttons  SPECTRUM ANALYZER  ,  ENTER  , and  KARAOKE PON/MPX  simultaneously.
4. The aging mode is activated, if a roulette mark on the fluorescent 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 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 pick-up 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

2-1.  Operating procedure 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  SPECTRUM ANALYZER  ,  ENTER  , and  KARAOKE PON/MPX  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 A (REV)

↑

↓

Deck B (REV) 

←

 Deck B (FWD)