NWZ-Z1040, NWZ-Z1050, NWZ-Z1050N, NWZ-Z1060 - Sony Audio Service Manual (repair manual). Page 18

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NWZ-Z1040/Z1050/Z1050N/Z1060
18
11. Confi rm that the following screen is displayed on “WALK-
MAN”, and tap the [OK] button.
OK
System Update
Update to version NONE
completed successfully.
12. Tap “Apps” on “WALKMAN”, and the list of applications is 
displayed.
 (The 
following 
fi gure is example of display)
Video play Music play
13. Confi rm that two icons (“DiagTestTool” and “ServiceMo-
deTool”) are deleted.
 (The 
following 
fi gure is example of display)
14. Unmount the USB storage on PC, and disconnect the USB 
cable for the WM-PORT (accessory) from PC and “WALK-
MAN”.
15. Perform initialization with reference to “Initializing” (page 4).
16. Perform reset with reference to “Resetting” (page 4).
4.  USING  METHOD  OF  THE  SERVICE  MODE  TOOL
4-1. BLUETOOTH
The Ftrim value of Bluetooth currently held to the NVP domain of 
the MAIN board can be rewritten to the Ftrim value of the label on 
which it is stuck at the RF board.
Execution condition:
When the MAIN board or the RF board are replaced, perform this 
mode absolutely.
Preparation:
• 
Install the service mode tool in “WALKMAN” with reference 
to “2. INSTALLING METHOD OF THE SERVICE MODE 
TOOL” (page 15).
Note: “DiagTestTool” is used in this mode.
• 
When the RF board is replaced, record the value indicated on 
the label stuck at new RF board in the memo etc..
• 
When the MAIN board is replaced, record the value indicated 
on the label stuck at RF board of this unit in the memo etc..
24
label
– RF Board –
Procedure:
1.  Start “DiagTestTool” by tap the “DiagTestTool” icon.
 
(The display position in the following fi gure is an example)
DiagTestTool
ServiceMode
Page of 32
Display

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