CTV2004 01 01
Month of Issue:
TELEVISION TECHNICAL BULLETIN
Page 1 of 1
Sharp Electronics (UK) Limited
Reference - AvW 09 01 2004
Revision - 2
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 The following symptoms may be apparent:
1. IC1300 (on the centre speaker PWB) running hot.
2. IC1300 is short circuit (dead set).
3. Noise coming from the centre speaker - this may be intermittent.
Carry out the following modification:
1. Remove D1303.
2. Remove D1304
3. Short out pins 1 to 4 of IC1300 (all pins connected togeather).
This modification is only applicable to some models fitted with a centre speaker PWB
(those fitted with IC1300), as listed in the table below:
Centre Speaker PWB Fitted
There is no centre speaker fitted to the 56FW53H.
In the case of a dead set, caused by short circuit IC1300, it is possible to run the set
by completely disconnecting the centre speaker PWB.