Read Sharp DV-5161H (serv.man13) Technical Bulletin online
Sharp Electronics (UK) Ltd Technical Support Group
Originator ________ Supervisor_________ Approval Date ___/___/___ UK52801X
Date :
21 December 1998
Model:
DV5161H
Ref No:
DV5161-003
Classification: Routine
TELEVISION TECHNICAL BULLETIN
Page 1 of 1
Subject : Corruption of NVM data
SYMPTOM No teletext, colour or vertical size is incorrect.
CAUSE
The microprocessor reset time is too short.
ACTION
Carry out the following circuit improvement,
1.
1.
Increase the value of C1017 from 2.2MFD to 100MFD.
2.
Add a 270ohm resistor in series with the positive terminal of C1017.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
C1017
100MFD
VCEAGA1CW107M
AB
270 Ohm 1/8W
VRD-RA2BE271J
AA
Display