ICD-P110VTP - Sony Audio Service Manual (repair manual). Page 11

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11
ICD-P110VTP
4.  SLEEP test
In this mode, the waiting current and the WAKE UP circuit can be checked during SLEEP mode.
This SLEEP test is executed about 1 second after the  Bx  key is pressed. There is no operation selection display.
The display depends on whether the  HOLD  switch is ON or OFF.
→ HOLD SW OFF: OK SLEEP
HOLD SW ON: All display OFF
A WAKE UP operation such as any key stroke during SLEEP returns to the layer for item selection.
SLEEP 
SOON
SLEEP
OK
Bx
Bx
Bx
x
Item selection display
When HOLD is OFF:
When HOLD is ON:
Operating state display
During SLEEP
Operating state display
During SLEEP
Operating state display
1second before SLEEP
STOP
5.  BEEP sounding
This mode cause 1.3 kHz and 2 kHz beeps to sound.
The P-AMP operation is based on the earphone jack specification.
BEEP 
OFF
>
.
Bx
1 . 3k
ON
1 . 3k
Bx
OFF
2 . 0k
2 . 0k
ON
Bx
x
x
x
Item selection display
1.3kHz Beep sounds.
2kHz Beep sounds.
Operating state display
Operation selection display
Operating state display
Operation selection display
STOP
STOP
STOP
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