Sharp LC-42DH77E (serv.man15) Service Manual / Technical Bulletin ▷ View online
LCD 2009 06 02
Date of Issue: 12
th
May 2010
Classification:
Yellow
LCD TELEVISION TECHNICAL BULLETIN
Page 1 of 2
Sharp Electronics (UK) Limited
Reference – LV347 - 2
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
MODELS
LC42DH77E
SYMPTOM Stuck in standby with fault indications of lamp errors.
CAUSE
Lamp connector and Inverter PWB lamp contact track damaged.
ACTION
Examine the Inverter PWB lamp contact points and each lamp connector for any
damage.
damage.
Replace all 18 connectors for the later type identified with a black dot (figure 3) and if
the inverter pwb track is damaged replace this as well.
Please identify any set where the connectors have been replaced with a black dot on
the rear model number identification label (figure 4).
the inverter pwb track is damaged replace this as well.
Please identify any set where the connectors have been replaced with a black dot on
the rear model number identification label (figure 4).
REF NO DESCRIPTION PART
NUMBER PRICE
CODE
6
17
17
Lamp Connector
Inverter PWB
Inverter PWB
QSOCFA005WJZZ
RUNTKA534WJZZ
RUNTKA534WJZZ
AD
BP
Figure 1: Damaged pwb lower connector Figure 2: Good connector.
and displaced top pressure contact.
and displaced top pressure contact.
LCD 2009 06 02
Date of Issue: 12
th
May 2010
Classification:
Yellow
LCD TELEVISION TECHNICAL BULLETIN
Page 2 of 2
Sharp Electronics (UK) Limited
Reference – LV347- 2
Revision - 3
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 3: Later Connector identification dot.
Figure 4: Rear Label identified as new connectors fitted.
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