Sony NWZ-A826 Service Manual page 14

NWZ-A826/A826K/A828/A828K/A829
4-4-2. Key check
The operation of the key is confi rmed.
Checking method:
1. Enter the test mode.
2. Press the [ ]/[ ] key to select the "OTHER", and press the [
v V
key to enter the minor item.
3. Press the [ ]/[ ] key to select the "KEY".
v V
4. Press the [ ] key, all keys are displayed.
u
liquid crystal display
OTHER KEY
UP
REW PLAY FF VOL–
DOWN OPTION
HOLD BACK
BT
START
5. The character corresponding to the key is selected every time
the key is pressed. "START" changes into "OK" if all keys are
pressed.
6. Slide the [HOLD] switch from ON to OFF, return to minor
item selection screen.
4-4-3. Frequency check that presses key
The frequency to which the key is pressed, insert/pull out frequen-
cy of cradle and insert/pull out frequency of the headphone are
displayed.
Note: Not used for the servicing.
4-4-4. Format
The user's area is formatted, and ICV for the video and ICV for
audio are initialized.
Note: Not used for the servicing.
Format the set from "Settings" → "Common settings" → "For-
mat" when it home menu in usually operates when the set should
format it.
4-4-5. Destination setting
The destination setting, language information, and sound pressure
regulation information are written in the NAND fl ash memory.
Note: Not used for the servicing.
4-4-6. Sound pressure regulation setting
ON/OFF of sound pressure regulation is confi rmed.
Note: Not used for the servicing.
14
VOL+
4-4-7. Firmware version check
The fi rmware version is displayed.
Checking method:
1. Enter the test mode.
] 2. Press the [ ]/[ ] key to select the "OTHER" and press the [
B v V
key to enter the minor item.
3. Press the [ ]/[ ] key to select the "FWVER".
v V
4. Press the [ ] key, the fi rmware version is displayed.
u
liquid crystal display
OTHER FWVER
X.XX.XX
MODEL NAME
NWZ-####
SERIAL NO
@@@@@@@
BT MAC ADR
*******
X.XX.XX
####
@@@@@@@ : Serial No.
*******
5. Press the [BACK] key, return to minor item selection screen.
: Firmware version
: Model name
: Bluetooth MAC address
]
B