Sharp 51AT-15H (serv.man13) Service Manual / Technical Bulletin ▷ View online
CTV2000 08 03
Month of Issue: August 2000
TELEVISION TECHNICAL BULLETIN
Page 1 of 1
Sharp Electronics (UK) Limited
White Carry out as required
Yellow Carry out as required and whenever the unit comes in for service
Red Carry out on all units
SYMPTOM Too much red or colour bleeding in the OSD and teletext displays.
This can be checked by examining the R, G, and B outputs on IC801 - pins 17, 18,
and 19 respectively. If one is higher than the others in the OSD mode, then the IC is
Note that the OSD and teletext signals are generated by the microprocessor (IC1001)
and fed into IC801 for switching between OSD/RGB input and the decoded video
Replace IC801 using the part number given below.