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7.  Return to the screen of step 1 by tapping the [END] button.

END

10:10

ICX-1237

01.POWER

02.AUDIO

03.FM

04.NC

05.DIREC

08.VIDEO

09.OTHER

12.WIFI

Note 1: After work is completed, uninstall the service mode tool abso-

lutely.

  (Refer to “3. UNINSTALLING METHOD OF THE SERVICE 

MODE TOOL” on page 23 about procedure)

Note 2: When this unit connects with some site in order to perform the 

operation check (When the connection with WiFi and the opera-
tion check of browser, etc. are performed etc.), the WiFi setting 
list and the history of browser, etc. remain on this unit.

 

    In that case, perform reset and initialization with reference to 

page 4.

 

    (When initialization is performed, all user informations are 

cleared)

4-3. BATTERY
The learning cycle value of built-in rechargeable battery held to 
the NVP domain of the MAIN board can be rewritten.

Execution condition:
When the BATTERY ASSY (BAT1) is replaced, perform this 
mode absolutely.

Note: When you assemble or disassemble the BATTERY ASSY 

(BAT1), do work not to make it short-circuit absolutely.

Preparation:
• 

Replace the BATTERY ASSY (BAT1) to new part with refer-
ence to “2. DISASSEMBLY” (page 13 to 20).

Note 1: Change this unit into the state before assembling SV CASE ASSY 

(the state where the battery is showing).

• 

Install the service mode tool in “WALKMAN” with reference 
to “2. INSTALLING METHOD OF THE SERVICE MODE 
TOOL” (page 21).

Note 2: “ServiceModeTool” is used in this mode.

Procedure:
1.  Start “ServiceModeTool” by tap the “ServiceModeTool” icon.
 

(The display position in the following fi gure is an example)

2. Tap 

“BATTERY”.

10:10

ServiceModeTool

COLOR

BATTERY

3. Confi rm that the following screen is displayed, and tap the 

[RESET] button.

10:10

Push “Reset” button according to specifications.

Reset

ServiceModeTool

4. Confi rm that the “Reset success!” is displayed on the center of 

screen.

10:10

Push “Reset” button according to specifications.

Reset

Reset success!

ServiceModeTool

5. Press the [

1

] button on “WALKMAN”, and confi rm  that 

screen on “WALKMAN” is turned off (sleep mode state).

[1] button

Note 1: Hold down the [

1

] button on “WALKMAN” by mistake, screen 

on “WALKMAN” is turned Power off screen.

  

(The 

following 

fi gure is example of display)

 

  When screen on “WALKMAN” is turned Power off screen, tap 

the “

” (Back) button, and press the [

1

] button on “WALK-

MAN” again.

6.  Remove the solder of three lead wires, and remove the lead 

wires from the board. Next, solder the three lead wires to the 
board, and confi rm that power supply of “WALKMAN” is 
turned off..

7.  Hold down the [

1

] button on “WALKMAN”, and confi rm that 

“WALKMAN” boots up normally.

 (The 

following 

fi gure is example of display)

[1] button

10:16

Wed, October 5

8.  Connect PC and “WALKMAN” with the USB cable for the 

WM-PORT (accessory).

USB cable

Plug in the USB cable 
with        facing upward, 
making sure the
connection is secure.

9. Confi rm that the USB connection screen is displayed on 

“WALKMAN”, and confi rm that charge is performed normal-
ly.

Note 2: If the USB connection screen is not displayed, swipe the status bar 

on the top of the screen then tap “USB connected” on the notifi ca-
tion panel.

USB storage in use

USB mass storage

6:09

Before turning off USB storage, unmount

(”ejecte”) your Android’s USB storage from

your computer.

Turn off USB storage

10. Assemble “WALKMAN” completely, and the confi rming  is 

completed.

Note 1: After work is completed, uninstall the service mode tool abso-

lutely.

  (Refer to “3. UNINSTALLING METHOD OF THE SERVICE 

MODE TOOL” on page 23 about procedure)

Note 2: When this unit connects with some site in order to perform the 

operation check (When the connection with WiFi and the opera-
tion check of browser, etc. are performed etc.), the WiFi setting 
list and the history of browser, etc. remain on this unit.

 

    In that case, perform reset and initialization with reference to 

page 4.

 

    (When initialization is performed, all user informations are 

cleared)

  1 

4-471-590-01  SHEET (CAP REAR), ADHESIVE

  2 

4-469-308-01  BUTTON (PWR) (1)

  3 

4-472-388-11  SCREW, 0+Z B1.4

 4 

4-469-309-01 CAP 

(TOP)

  5 

4-471-594-01  SHEET (BTN SIDE), ADHESIVE

 6 

4-469-310-02 CAP 

(REAR)

 7 

3-234-449-53 SCREW 

(M1.4)

  8 

4-472-388-01  SCREW, 0+Z B1.4

 9 

4-538-017-01 HI-RES 

LABEL

  Ref. No. 

Part No. 

Description 

Remark

  Ref. No. 

Part No. 

Description 

Remark

Note:
•  -XX and -X mean standardized parts, so 

they may have some difference from the 
original one.

•  Items marked “*” are not stocked since 

they are seldom required for routine ser-
vice. Some delay should be anticipated 
when ordering these items.

•  The mechanical parts with no reference 

number in the exploded views are not sup-
plied.

•  Color Indication of Appearance Parts Ex-

ample:

  KNOB, BALANCE (WHITE) . . . (RED)
   

 

 



   

 

Parts Color  Cabinet’s Color

• Rear view