DBTEL DB-6568, Руководство по обслуживанию

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DBTEL Incorporated
DB-6568 Service Manual Level 1 ~ 3
2003.11.13
DBTEL Copyright Reserved
Page 70 of 66
The following are the checking instructions:
1.Ensure that no scratching, marking or cracking on front/rear housing or Lens (prior
checking to the handset surface thoroughly when taking over the phone from user).
No fingerprint shall be found on Lens or LCD.
2. Check that the front and rear housing is engaged firmly. Wide gap or crack is not
allowed.
3.Pressing all the keys to verify that any unusual perceived while operation.
4. Check the battery button visibly to verify that it is not deformed.
5. Power on the handset, key in #*80# the LCD full display to check that the LCD is not
skewed.
5.7.2.3 Instructions for replacing rear housing and circuit board
1. Rear housing replacement : Remove all the labels (IMEI Label, CIT Label,
DSN Label) on the rear housing carefully without tearing off the labels. A
heat gun could be used for easy tearing but do not heat up for quite a long
time, otherwise the housing will be burnt.
Attach the labels removed from original housing to the new housing.
2.Circuit board replacement : Write the original IMEI code into the new circuit board.
The required download cable and software application for IMEI code writing are
available at DBTEL Incorporated authorized service center.