Aging Mode In Cd Section; Aging Mode In Tape Deck Section - Sony HCD-GR8 Service Manual

[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 DISC1 and DISC2 trays.
2. Select the function "CD".
3. Press three buttons SPECTRUM ANALYZER ,
ENTER/NEXT , and KARAOKE PON/MPX simulta-
neously.
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 Section".
1-2. Operation during aging Mode
In the aging mode, the program is executed in the following se-
quence.
1. The disc table is ejected.
2. The disc tray turns to select a disc. (For a disc selection
sequence, see Section 1-3.)
3. TOC of disc is read.
4. The pickup accesses to the last track.
5. A disc is ejected.
6. Steps 2 through 5 are repeated.
1-3. Disc Selection Sequence
• During the aging mode, discs are selected in the following se-
quence:
Disc 1 → Disc 2
↑ ↓
Disc 2 ← 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 respec-
tively on decks A and B.
4. Press three buttons SPECTRUM ANALYZER ,
ENTER/NEXT , and KARAOKE PON/MPX simulta-
neously.
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. In this case, ·
LED does not light up.)
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. In this case, ª
LED does not light up.)
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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↓