Sony PRS-T1 Service Manual page 8

PRS-T1
PREPARATION OF THE TEST MODE
Prepare the following before executing the test mode.
• PC
• USB cable for PC connection (MICRO B)
• File for the test mode
Note: Confi rm the method of obtaining the fi le for test mode to each ser-
vice headquarters.
HOW TO ENTER THE TEST MODE
Procedure:
1. Press the [1] key to turn the power on.
2. Confi rm the HOME menu was completely displayed, and con-
nect this unit to PC by the USB cable (MICRO B).
3. Confi rm the USB connection screen displayed, and touch the
"Data Transfer Mode".
4. Confi rm the "READER" drive of this unit is recognized.
5. Copy the fi le for the test mode from PC to directly under the
"READER" drive of this unit.
6. Remove this unit and USB cable (MICRO B) from PC.
7. Confi rm the HOME menu was completely displayed, and
press the key as following order.
[>]  [ ]  [<]  [ ]
8. After a while, the test mode menu is displayed, and this unit
enters the test mode.
@Test Mode
Version: X.X.X
Target storage: Internal
Test Panal Update Waveform
Drawing with
Reset Device Lock
Points
TP Coordinate Power Off
Test All Key Log Extact 1
Test Battery Life
Temperature
Version
Write VCOM
Confirmation
Check Battery WWAN ON
Factory Initialize WWAN OFF
(Screen display)
RELEASING THE TEST MODE
Procedure:
1. Press the [ ] key, and confi rm the HOME menu was com-
pletely displayed.
2. Connect this unit to PC by the USB cable (MICRO B).
3. Confi rm the USB connection screen displayed, and touch the
"Data Transfer Mode".
4. Confi rm the "READER" drive of this unit is recognized.
5. Delete the fi le for the test mode from directly under the
"READER" drive of this unit.
6. Remove this unit and USB cable (MICRO B) from PC.
7. Confi rm the HOME menu was completely displayed, and press
the key as following order, and confi rm that the test mode does
not enter.
[>]  [ ]  [<]  [ ]
8. Press the [1] key for 5 seconds or more, and touch the "Yes"
to turn the power off.
Note: Never forget to delete the fi le for the test mode.
8
SECTION 3
TEST MODE
IR-LED Level
Check 3G Module
Check User
History
Switch ADB
Check
Fake MoAkey
Reboot (Normal)
Reboot (Recovery)
Log Extact 2
(Flush)
OPERATION OF EACH MODE
1. Test Panel
The panel can be checked.
Procedure:
1. Touch the "Test Panel" in the test mode menu.
2. The image fi le is displayed (image fi les of in the directly as "/
testmode/images/").
The format that can be treated is ".bmp", ".jpeg" , ".gif" and
".png".
The all image fi les are transformed into the 600 x 800 size, and
the linear interpolation processing of pixel is done.
3. Press the [<]/[>] keys, the image fi les are chenged.
Note: If there are no image fi les, the screen changes into grayscale color.
Press the [<]/[>] keys, the grayscale color changes sequentially as
shown in the fi gure below.
>
BLACK DARK GRAY
< <
Releasing method:
Press the [ ] key, return to the test mode menu.
2. Drawing with Points
This mode is not used in servicing.
3. TP Coordinate
This mode is not used in servicing.
4. Test All Key
This mode is not used in servicing.
5. Test Battery Life
This mode is not used in servicing.
6. Version confi rmation
This mode is not used in servicing.
7. Check Battery
This mode is not used in servicing.
> > >
LIGHT GRAY WHITE
< <