Read Sony ICD-LX30 Service Manual online
ICD-LX30
10
4-4. SIN
Sine wave can be outputted.
Sine wave can be outputted.
Procedure:
1. Enter the test mode.
2. Press the [FF/
1. Enter the test mode.
2. Press the [FF/
M
] or [FR/
m
] keys to select the “SIN”, and
press the [PLAY/ENTER/
N
] key.
3. Sine wave is outputted.
<SIN>
Vol:20
Vol:20
LCD Display
*Displayed characters/values are example.
Initial value:
Play back volume : 20 (stereo)
fs
:
44.1kHz
Key input settings under this mode of operation:
[VOL +] : Volume up
[VOL –] : Volume down
Operation of others by the plug/unplug signal (the external micro-
phone jack and headphone jack) are based on operation of this unit.
phone jack and headphone jack) are based on operation of this unit.
Releasing method:
Press the [STOP/
Press the [STOP/
x
] key, return to test mode menu.
4-5. BEEP
Beep sound (1.3 kHz) can be outputted.
Beep sound (1.3 kHz) can be outputted.
Procedure:
1. Enter the test mode.
2. Press the [FF/
1. Enter the test mode.
2. Press the [FF/
M
] or [FR/
m
] keys to select the “BEEP”, and
press the [PLAY/ENTER/
N
] key.
3. Beep sound (1.3 kHz) is outputted.
<BEEP>
1.3KHz ON
1.3KHz ON
LCD Display
*Displayed characters/values are example.
Releasing method:
Press the [STOP/
Press the [STOP/
x
] key, return to test mode menu.
4-6. LCD CONT
LCD contrast can be adjusted.
LCD contrast can be adjusted.
Procedure:
1. Enter the test mode.
2. Press the [FF/
1. Enter the test mode.
2. Press the [FF/
M
] or [FR/
m
] keys to select the “LCD CONT”,
and press the [PLAY/ENTER/
N
] key.
3. Adjustment of LCD contrast becomes available.
<LCD CONT>
Vol: 16
[FF]+ [FR]
Vol: 16
[FF]+ [FR]
[PLAY] Save
LCD Display
*Displayed characters/values are example.
Initial value:
The default setting saved at serial fl ash.
Key input settings under this mode of operation:
[FR/
m
]
: Contrast value decrease
[FF/
M
]
: Contrast value increase
[PLAY/ENTER/
N
] : The current contrast value is written to
serial fl ash.
Releasing method:
Press the [STOP/
Press the [STOP/
x
] key, return to test mode menu.
4-7. LCD PATTERN
The check of LCD dead pixel is made.
The check of LCD dead pixel is made.
Procedure:
1. Enter the test mode.
2. Press the [FF/
1. Enter the test mode.
2. Press the [FF/
M
] or [FR/
m
] keys to select the “LCD PAT-
TERN”, and press the [PLAY/ENTER/
N
] key.
3. LCD display pattern is displayed as shown in the following
fi gure.
LCD Display Pattern
All segments ON
All segments OFF
Partial segments ON
Key input settings under this mode of operation:
[FF/
M
] or [FR/
m
] : Display pattern change
Releasing method:
Press the [STOP/
Press the [STOP/
x
] key, return to test mode menu.
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