NW-E10, NW-E7 - Sony Audio Service Manual (repair manual). Page 5

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5
NW-E7/E10
Ver 1.1  2002.01
1. Audio Block Function Check
Clicking the UP or Down button in block 2 of the screen allows you to check with various output frequencies. Also, clicking the UP
or Down button in block 3 can check variations of volume. Clicking the L, Stereo, R, or Mute button in block 4 can change audio
output status.
2. Battery Threshold Value Check
Connect PC to this set with a USB cable, and the threshold values of battery residual capacity (voltage-converted values) written to the
set at the shipment are displayed in the block 5 .
Check that the displayed values are same as listed in Table 1-3.
Operational Description Of Test Mode
3. LCD Test
Clicking FULL (full lit), COL1 (column 1), COL2 (column 2), or OFF (full off) in block 8 results in all ON, column 1 ON, column 2
ON, or all OFF of the LCD on the set respectively.
4. CODEC Info Check
The CODEC programs and their versions written to the set can be checked. (block 9 )
The CODEC programs written to the set at the shipment are “MP3”, “ATRAC3”, and “WMA” and their versions are as listed below.
(Versions will vary if updated)
Capacity 1 
t2
1.25V
 368
Capacity 2 
t3
1.27V
 400
Capacity 3 
t4
1.29V
432
OFF
1.00V
 320
Condition
Voltage set value
Converted value (ref.)
Name
MP3
AT3
blank
blank
Program No.
 CODEC1
CODEC2
CODEC3
CODEC4
Version
80
80
0
0
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