Read Sharp LC-32LE511E (serv.man8) Technical Bulletin online
LCD 2012 12 01
Date of Issue: 5
th
December 2012
Classification:
White
LCD TELEVISION TECHNICAL BULLETIN
Page 1 of 2
Sharp Electronics (UK) Limited
Reference – Vest MB271112 –VS003
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
LC32LE240K LC32LE511E LC40LE511E LC40LE531E
SYMPTOM Buzzing noise from power supply when in standby or whilst on.
CAUSE
Two possible problems have been discovered.
In standby or whilst on, C102 and C122 can vibrate mechanically.
While unit is switched on, D200 can be defective.
ACTION
Check the makers mark on D200 and if marked as in figure 1. Replace.
Replace C102 and C122 see figure 2 for location on upper PWB.
REF NO DESCRIPTION PART
NUMBER PRICE
CODE
D200
C102/222
C102/222
IC VREF TL431SAMF2
ADJ %1 SOT23 R
CAP MKT SAFE 1UF
450V K 15DIPLB SHA RoHS
ADJ %1 SOT23 R
CAP MKT SAFE 1UF
450V K 15DIPLB SHA RoHS
30008996
30073248
30073248
AE
AF
Figure 1: D200 if marked (LQW) replace, location on underside of PWB.
LCD 2012 12 01
Date of Issue: 5
th
December 2012
Classification:
White
LCD TELEVISION TECHNICAL BULLETIN
Page 2 of 2
Sharp Electronics (UK) Limited
Reference - Vest MB271112 –VS003
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
Figure 2: Location of C102 and C122.
Display
