Read Sony ICD-P110VTP Service Manual online
10
ICD-P110VTP
3. AUDIO block operation
This mode tests the AUDIO circuit by DSP LOOP operation.
When earphone is not inserted into earphone jack, SP-AMP is turned ON. When it is inserted into earphone jack, SP-AMP is OFF and HP-
AMP is ON.
Pressing of the ERASE key turns MUTING ON or OFF.
Pressing of the VOL + key or VOL – key allows the volume value to be controlled.
The MIC sensitivity can be changed LOW or HIGH by operating the MIC SENS switch. There is no display.
The VOR threshold level is shown by the red LED indicator that lights with AUDIO present.
This mode tests the AUDIO circuit by DSP LOOP operation.
When earphone is not inserted into earphone jack, SP-AMP is turned ON. When it is inserted into earphone jack, SP-AMP is OFF and HP-
AMP is ON.
Pressing of the ERASE key turns MUTING ON or OFF.
Pressing of the VOL + key or VOL – key allows the volume value to be controlled.
The MIC sensitivity can be changed LOW or HIGH by operating the MIC SENS switch. There is no display.
The VOR threshold level is shown by the red LED indicator that lights with AUDIO present.
A U d I O
M O N O
M O N O
M O N O
M O N O
O F F
1 0
H Q
H Q
M O N O
O N
1 0
H Q
S P
S P
L P
L P
Bx
Bx
>
.
>
.
OFF
M O N O
M O N O
OFF
Bx
Bx
x
x
x
x
Item selection display
Operation selection display
Flashing
HQ DSP LOOP
SP DSP LOOP
LP DSP LOOP
VOLUME value
MUTE status
Operating state display
Operation selection display
Operating state display
Operation selection display
Operating state display
Display when MUTING is ON.
The VOR threshold level during
operating state is checked by
the red LED indicator.
operating state is checked by
the red LED indicator.
ON:
Audio present
OFF: No Audio
STOP
STOP
STOP
STOP
ERASE
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