Sony PRS-T1 Service Manual page 9

8. Factory Initialize
This unit can be returned to the state of the factory shipment.
Procedure:
1. Touch the "Factory Initialize" in the test mode menu.
Factory Initialize
Would you like to execute
'Factory Initialize' ?
Yes
(Screen display)
2. When "Yes" is touched, the deletion of all histories and reset of
all settings are executed, then this unit turn the power off.
9. Update Waveform
LUT rewriting and the LUT update confi rmation can be executed.
As for INK INDICATOR 6inch ELEMENT, the parameter that
rewrites the screen of each FPL lot number and TFT vender are
different. This parameter is called LUT (Look Up Table).
Therefor, you need to rewrite the LUT when replacing the com-
plete MAIN board or CHASSIS ASSY (including INK INDICA-
TOR 6inch ELEMENT).
However, rewriting is not required if the FPL lot number and TFT
vender are the same.
Note 1: LUT is written in IC2001 on the MAIN board.
Procedure:
1. The LUT confi rm method is different according to replaced
No
2. Replace complete MAIN board or CHASSIS ASSY (including
3. Confi rm the following data to the service headquarters.
4. Copy the fi le and the tool obtained in step 3 to directly under
parts.
When the complete MAIN board is replaced:
Disassemble this unit until the FPL lot number and TFT vender
are seen (Refer to "2. DISASSEMBLY" (pages 3 to 7)), and
confi rm the FPL lot number and TFT vender referring to the
fi gure below. Record the confi rmed the FPL lot number and
TFT vender by taking the memo etc..
Flexible board of INK
INDICATOR 6inch ELEMENT
ED060SCE(LF)C1 FME60B5060(E120)
E4KR28C01L5V00111AT
TFT vender
When the CHASSIS ASSY (including INK INDICATOR
6inch ELEMENT) is replaced:
Confi rm the FPL lot number and TFT vender described on the
label of new CHASSIS ASSY (including INK INDICATOR
6inch ELEMENT). Record the confi rmed the FPL lot number
and TFT vender by taking the memo etc..
INK INDICATOR 6inch ELEMENT) for new parts, and as-
semble this unit.
• WF fi le corresponding to the recorded FPL lot number and
TFT vender
• WF fi le translation tool (wwv_parser.exe)
the C drive of PC (Windows XP or more is recommended).
PRS-T1
FPL lot number
9