NW-S202, NW-S202F, NW-S203F, NW-S205F - Sony Audio Service Manual (repair manual). Page 10

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NW-S202/S202F/S203F/S205F
10
SECTION 4
TEST  MODE
1. 
SETTING  THE  TEST  MODE
Supply power to the set, While pressing the 
B x  key, press the 
key as following order.
[VOL +] → [VOL +] → [VOL -] → [VOL -] → [VOL +] → [VOL -] 
→ [VOL +] → [VOL -] → [DISP] → [DISP]
2. 
OPERATION  OF  THE  TEST  MODE
The item is selected by pressing 
[VOL +] [VOL -] key, and the item 
is decided by pressing 
B x  key.
Released from the item by pressing 
[DISP] key.
The item of “Hall Calib.” and “Gsensor” is not released if it 
doesn't reboot.)
2-1. Hall Calib.
Jog shuttle (Hall IC) calibration mode.
Refer to supplement-2 for details of this item.
2-2. Gsensor
G Sensor Calibration mode.
Already because this function has been adjusted, this mode has 
not used in service.
2-3. ALL Key Check
When all keys and the shuttle switches are correctly input, the set 
is reboots. 
2-4. Set CHG Current
The charge currents are set to either of 500 mA/100 mA.
2-5.
 CHG Start/Stop
Start/stop of the charge is set.
2-6. Information
The set information display mode.
Example of display: 
0.85.00.10 [JP]
TUNER:YES 1GB
Detailed version of 
F/W
Region
TUNER YES/NO
FLASH memory size
2-7. HallCalibData
Mode that displays information set at calibration of hall.
Display the X/Y value of 
[HOLD]/center position/[FOLDER +]/
[FOLDER -] positions after 45degree transformation.
This is used in designing group only.
3. 
METHOD  OF  RESETTING  THE  SET
The set resets to keep about 7 seconds with 
[DISP] and  B x  key 
pressed at the same time.
The display of “ACCESS” appears when reset and the set boots. 
The set cannot be reset if it is not charged. Reset the set after it 
charges it by way of the USB cable.
Please take off from the key if “ACCESS” message does not 
appear.
Ver. 1.3
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