Sony PEG-UX50 Service Manual page 5

1-2-6. Backlight Check
1. Using the JOG dial, move the cursor to the [Backlight ON]
position.
2. Press the JOG dial once, and the backlight will change [ON
t Dark] where the backlight brightness becomes dark.
(Display)
TEST MODE
Key Check
Keyboard Check
LCD Flip Check
Touchpanel Check
Display Check
Backlight ON
Camera Check
Mic Test
Flash Check
ADC Check
VCom Adjust
Reset
3. Press the JOG dial once more, and the backlight will change
[Dark t OFF] where the backlight turns off.
4. Press the JOG dial further more, and the backlight will change
[OFF t ON] where the backlight turns on.
1-2-7. Camera Check
1. Using the JOG dial, move the cursor to the [Camera Check]
position.
2. Press the JOG dial once, and the [Camera Check] screen will
appear.
t Check that a picture is displayed.
3. Rotate the camera.
t Check that the top and bottom of the screen are correct.
4. Press the App#1 key.
t The zoom changes over.
5. Press the App#2 key.
t The effect changes over.
6. Press the App#3 key.
t The white balance changes over.
7. Press the Capture button.
t The capture operation is executed.
8. Press the JOG dial.
t Check that there is no abnormality in the screen display
after the Capture button was pressed.
t The screen changes over if the JOG dial is pressed
repeatedly.
9. Press the Back button.
t Return to the [TEST MODE] screen.
1-2-8. Mic Test
1. Connect the headphone to the set.
2. Using the JOG dial, move the cursor to the [Mic Test] position.
3. Press the JOG dial once, and the [Mic Test] screen will appear.
4. Check that you can hear sounds from the headphone.
5. Press the JOG dial once, and the microphone sensitivity
changes over.
6. Press the Back button to return to the [TEST MODE] screen.
1-2-9. Flash Check
1. Using the JOG dial, move the cursor to the [Flash Check]
position.
2. Press the JOG dial once, and the [Flash Check] screen will
appear.
(Display)
Flash Check
Ship enUS
Ver.
********
Rev. 2003/
:
** **
MGID Found
Flash ID H0M
*********
Model No. 0M
*
Serial No.
*******
VCOM
**
Note: If Flash ID has already been written to the Flash
ROM, that value is displayed.
3. Press the Back button to return to the [TEST MODE] screen.
1-2-10. ADC Check
1. Using the JOG dial, move the cursor to the [ADC Check] position.
2. Press the JOG dial once, and current state check screen will appear.
(Display)
ADC Check
Battery
***
BT_Voltage
********
*** ***
Battery : cV
3. Press the Back button to return to the [TEST MODE] screen.
1-2-11. LCD VCom Adjustment
1. Using the JOG dial, move the cursor to the [VCom Adjust] position.
2. Press the JOG dial once, and the adjustment screen will appear.
3. When "flicker"has appeared on the screen, adjust to the most
suitable "flicker" rotating the JOG dial.
Note: The most suitable adjustment hints.
• "flicker" does not appear to the display.
• Brightness of contrast is the most suitable value.
4. Press the Back button to return to the [TEST MODE] screen,
after adjustment value was decided.
1-2-12. Quitting the Test Mode
To quit the [TEST MODE], move the cursor to the [Reset]
by using the JOG dial and press the JOG dial.
1-3 E
/
** **
: :
** **
cV %
***
% ..... Battery residual capacity
indication
14
Confidential