Sharp LC-37X20E (serv.man23) Service Manual / Technical Bulletin ▷ View online
LCD 2008 05 01
Date of Issue: 15
th
May 2008
Classification:
Yellow
LCD TECHNICAL BULLETIN
Page 1 of 1
Sharp Electronics (UK) Limited
Reference – JW 200804
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
LC37X20E
SYMPTOM Possible inverter connector damage when Inverter RUNTKA333WJZZ fitted.
CAUSE
Incorrect starting of lamp drive supply.
ACTION
Change the value of R7692 from 110K Ohm to 47K Ohm. see Figure 1.
Also update the main operating software to the latest version, following the instructions
given in the service manual.
given in the service manual.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
R7692
47K Ohm SMD
MCR03EZPEFX4702
AC
Figure 1. Position of R7693 on Inverter p/n RUNTKA333WJZZ.
Display