HCD-VP1 - Sony Audio Service Manual (repair manual). Page 10

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10
SECTION  3
SERVICE  MODE
[Liquid Crystal Display All Lit Check Mode]
Procedure:
1. Set to standby state.
2. Press three buttons of
p (TAPE), p  (CD), and 
[MD/VIDEO]
simultaneously.
3. Liquid crystal display are all turned on.
4. To release from this mode, press the
1/
u
button to turn the
power OFF.
[Tape Deck Aging Mode]
This mode can be used for operation check of tape deck section.
Procedure:
1. Set a tape in the tape deck.
2. Set to standby state.
3. Press three buttons of
p (TAPE), p (CD), and 
[TAPE]
 si-
multaneously.
4. The aging is executed in bellow sequence.
5. To release from the aging mode, press the
1/u button to turn
the power OFF.
Aging mode sequence:
[CD Aging Mode]
This mode can be used for operation check of CD section.
Procedure:
1. Load a CD disc.
2. Set to standby state.
3. Press three buttons of
p (TAPE), p (CD), and 
[TUNER]
simultaneously.
4. The aging is executed in bellow sequence.
5. To release from the aging mode, press the
1/
u
button to turn
the power OFF.
Aging mode sequence:
Start
REC pause for 3 seconds
FWD REC
Fast forward
REV Play
REC pause for 3 seconds
REV REC
Rewind
FWD Play
Shut off
Shut off
Shut off
Shut off
1 minute
3 minutes
1 minute
3 minutes
Start
Open the disc tray
Close the disc tray
Play the last track
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