PCM-D100 - Sony Audio Service Manual (repair manual). Page 24

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PCM-D100
24
4-5. Power Down
It can change into the power off state.
Procedure:
1.  Enter the test mode.
 
(Refer to “SETTING THE TEST MODE” on page 22)
2.  Press the [v] or [V] keys to select the “Power Down”, and 
press the [
N
] key.
3.  The power down selection screen is displayed.
 
This unit shifts to turn the power off by slide the [POWER] 
switch in the direction of “OFF”, and release the test mode.
4-6. LCD Offset
LCD contrast can be adjusted.
Procedure:
1.  Enter the test mode.
 
(Refer to “SETTING THE TEST MODE” on page 22)
2.  Press the [v] or [V] keys to select the “LCD Offset”, and press 
the [
N
] key.
3.  Adjustment of LCD contrast becomes available.
 
(Displayed characters/values in the following fi gure are ex-
ample)
<LCD Offset>
Value : 00
 [FF]:+  [FR]:–
 [PLAY]:Save
LCD Display
 
Initial value:
 
The default setting saved at eMMC.
 
Key input settings under this mode of operation:
 
[.]  : Contrast value decrease (Minimum –20)
 
[>] 
: Contrast value increase (Maximum +20)
 
[
N
: The current contrast value is written to eMMC.
Releasing method:
Press the [
x
 STOP] key, return to test mode menu.
4-7. LCD/Led/Light
The lighting check of LCD can be performed.
Procedure:
1.  Enter the test mode.
 
(Refer to “SETTING THE TEST MODE” on page 22)
2. Press 
the 
[
v
] or [
V
] keys to select the “LCD/Led/Light”, and 
press the [
N
] key.
3.  LCD display pattern is displayed as shown in the following 
fi gure.
 
(Displayed characters/values in the following fi gure are ex-
ample)
LCD Display Pattern
All segments ON
All segments OFF
Display pattern 1
Display pattern 2
Gray scale
 
Key input settings under this mode of operation:
 
[
>
] or [
.
: Display pattern change
 
[LIGHT] 
:  
LCD backlight and [REC LEVEL] dial 
backlight are on/off change
 
[
v
: All the LED on
 
[
V
: All the LED off
Releasing method:
Press the [
x
 STOP] key, return to test mode menu.
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