ICD-FX88 - Sony Audio Service Manual (repair manual). Page 10

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ICD-FX88
10
4-2. LCD
The lighting check of LCD can be performed.
Procedure:
1.  Enter the test mode.
 
(Refer to “SETTING THE TEST MODE” on page 9)
2.  Press the [
>
] or [
.
] keys to select the “LCD”, and press 
the [
N
] key.
3.  LCD display pattern is displayed as shown in the following 
fi gure.
APM
REC DATE
A  M
REC DATE
LCD Display Pattern
LCD Display:
All ON
Operation indicator LED:
Orange lights
LCD Display:
Display pattern
Operation indicator LED:
Lights OFF
LCD Display:
All OFF
Operation indicator LED:
Green lights
 
Key input settings under this mode of operation:
 
[
>
] or [
.
] : Display pattern change
Releasing method:
Press the [
x
] key, return to test mode menu.
4-3. BEEP
Beep sound (1.3 kHz) can be outputted.
Procedure:
1.  Enter the test mode.
 
(Refer to “SETTING THE TEST MODE” on page 9)
2. Press 
the 
[
>
] or [
.
] keys to select the “BEEP”, and press 
the [ENTER/
N
] key.
3.  Beep sound (1.3 kHz) is outputted.
 
(Displayed characters/values in the following fi gure are ex-
ample)
LCD Display
 
Output to the speaker or headphone and output level are based 
on operation of this unit.
 
Key input settings under this mode of operation:
 
[VOL +]  : Volume up
 
[VOL –]  : Volume down
Releasing method:
Press the [
x
] key, return to test mode menu.
4-4. AUDIO
Audio loop back operation can be performed.
Procedure:
1.  Enter the test mode.
 
(Refer to “SETTING THE TEST MODE” on page 9)
2.  Press the [
>
] or [
.
] keys to select the “AUDIO”, and 
press the [ENTER/
N
] key.
3.  Audio loop back operation is performed.
 
(Displayed characters/values in the following fi gure are ex-
ample)
Note: When mode is active, the recording level for VOR is acquired at in-
tervals of 1 second, and it is displayed. When the acquired recording 
level is larger than the VOR setting value, the operation indicator 
LED redly lights up.
 
(Threshold value is based on operation of this unit)
LCD Display
 
Key input settings under this mode of operation:
 
[
.
] or [
>
: STHQ/STSP change
 
[ DISPLAY/ MENU] : ALC on/off change (default: off)
 
[
 
A-B] 
: LCF fi lter on/off change (default: on)
Operation of others by the plug/unplug signal (the external micro-
phone jack and headphone jack) are based on operation of this unit.
Releasing method:
Press the [
x
] key, return to test mode menu.
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