LCD 2009 01 04
Date of Issue: 16
LCD TELEVISION TECHNICAL BULLETIN
Page 1 of 5
Sharp Electronics (UK) Limited
Reference – LV294
Revision - 1
White – Carry out as required
Yellow – Carry out as required and whenever the unit comes in for service
Red – Carry out on all units
SYMPTOM Picture blocking when inserting CI card assembly even on non encoded channels or
the set may reboot when CI inserted.
The signals being processed could be affected by the CI card assembly.
Check the part number of the main PWB and follow the instructions in the following
pages for the relevant board and issue.
1. If the unit reboots on CI insertion, see Figures 1 & 2 for component layout and
2. If block noise appears when CI inserted add IC4409 and cut the Main PWB track
by R4410 as shown see in figures 3 to 8 depending upon print version.
SMD Buffer IC