Sony NW-WM1A Service Manual page 41

5-10. Touch panel (Touch screen)
Screen display
Diagnosis APP
[ver X.XX.XX]
Touch screen
Manual check
Cross check
Tap check
Device version
5-10-1. Manual check (Manual check)
It can be displayed the pink points of the touch locus of touch
panel, and check the information of the touch panel.
Procedure:
1. Enter the test mode.
(Refer to "2. SETTING THE TEST MODE" on page 33)
2. Press the [+]/[–] keys to select the "Touch screen", and press
the [ ] or [ ] key to enter the minor item.
u >
3. Press the [+]/[–] keys to select the "Manual check".
4. Press the [ ] key, the check screen is displayed.
u
Screen display
manual touch test
touch-x :
width-x :
press: 0
released
5. When touch the screen, it is touch locus is displayed in pink
point and each value of touch information is displayed.
Screen display
manual touch test
Coordinate values
touch-x : 293 y: 646
width-x : 64 y: 76
Pressure values
press: 64
pressed
Status
"released"
or
"pressed"
6. Press the [ ] key, and erase the touch locus.
.
7. Slide the [HOLD] switch in the direction of on, to return to
minor item selection screen.
0 y: 0
0 y: 0
Touch locus
(pink)
5-10-2. Cross check (Cross check)
It can be displayed the black line of touch locus of touch panel, and
change the line dot.
Note: It can not operate in a state in which the WALKMAN main unit was
MSC connection.
Procedure:
1. Enter the test mode.
(Refer to "2. SETTING THE TEST MODE" on page 33)
2. Press the [+]/[–] keys to select the "Touch screen", and press
the [ ] or [ ] key to enter the minor item.
u >
3. Press the [+]/[–] keys to select the "Cross check".
4. Press the [ ] key, the all white screen is displayed.
u
5. When touch the screen, it is touch locus is displayed in black
line.
Screen display
In step 5 state, each time the [+]/[–] keys are pressed, the size
(dot) of the line is changed.
(1 y 3 y 5 y 7 y 9 y 11 (default) y 13 y 15 y
17 dot)
6. Press the [ ] key, and erase the touch locus.
.
7. Slide the [HOLD] switch in the direction of on, to return to
minor item selection screen.
NW-WM1A/WM1Z
Touch locus
(black)
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