Sharp LC-32P50E (serv.man37) Service Manual / Technical Bulletin ▷ View online
LCD 2005 10 04
Date of Issue: 22
nd
October 2005
Classification:
white
LCD TELEVISION TECHNICAL BULLETIN
Page 1 of 1
Sharp Electronics (UK) Limited
Reference - MB 20 10 2005 - 1
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
LC26P50E
LC32P50E
LC37P50E
SYMPTOM
One of the following symptoms:
•
Will not power on flashing Red LED, lamp error counter at 5 works ok when reset.
•
Will not power on flashing Red LED, not able to enter any service mode.
CAUSE
The fault is caused by a short circuit to ground inside the LCD panel where one off the
lamp cathode wires have been trapped and damaged, see pictures below.
lamp cathode wires have been trapped and damaged, see pictures below.
Depending how badly the wire is damaged will determine if the fault is intermittent
(reoccurring) or permanent.
(reoccurring) or permanent.
ACTION
Redress the trapped cathode wire.
After the wire has been redressed and insulated you need to reset the lamp error
counter via the display mode adjustment procedure and then enter the main service
mode and perform the Factory Init. (just resetting the lamp error may not restore
normal operation).
counter via the display mode adjustment procedure and then enter the main service
mode and perform the Factory Init. (just resetting the lamp error may not restore
normal operation).
Display
