Read Sharp LC-70LE741E (serv.man20) Technical Bulletin online
LCD 2013 04 07
Date of Issue:
30
th
April 2013
Classification:
Yellow
LCD TELEVISION TECHNICAL BULLETIN
Page 1 of 2
Sharp Electronics (UK) Limited
Reference
– LV-681 / LV705D
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
MODELS
LC70LE741E
SYMPTOM The television does not turn on (Blinking LED) or part of the rear cabinet is deformed.
REASON
REASON
If the diode D7805 on the Power unit fails (short-circuit), the heat sink of the Power
unit will become a high temperature. This may cause the Back cabinet to deform.
unit will become a high temperature. This may cause the Back cabinet to deform.
ACTION
In order to give clearance between the Back cabinet and the Power unit, the 3 (three)
pcs of Spacer LHLDZB650WJKZ should be added to SP7001, SP7002 and SP7004
on the Power unit.
pcs of Spacer LHLDZB650WJKZ should be added to SP7001, SP7002 and SP7004
on the Power unit.
Affected serial number range
– 204011111~210012470
Servicing
When any of the TV sets which are within the OLD Serial Number range is required for
service regardless of the defect symptom, please perform the following procedures at
the same time of servicing.
1. Add the 3(three) Spacer LHLDZB650WJKZ to SP7001, SP7002 and SP7004 on
When any of the TV sets which are within the OLD Serial Number range is required for
service regardless of the defect symptom, please perform the following procedures at
the same time of servicing.
1. Add the 3(three) Spacer LHLDZB650WJKZ to SP7001, SP7002 and SP7004 on
the Power unit.
2. Check if the Diode D7805 on the Power unit is short circuit using a tester. If it is
defective, replace the diode.
For more information on how to add the Spacers, please follow the next page of this
technical report.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
D7805
Diode
DiODETRLV705/
AA
SP7001
SP7002
Spacer
LHLDZB650WJKZ
AA
SP7004
LCD 2013 04 07
Date of Issue:
30
th
April 2013
Classification:
Yellow
LCD TELEVISION TECHNICAL BULLETIN
Page 2 of 2
Sharp Electronics (UK) Limited
Reference
– LV-681 / LV705D
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
Display