Sharp 51DT-25H (serv.man29) Service Manual / Technical Bulletin ▷ View online
Sharp Electronics (UK) Limited
Originator AvW Supervisor Approval Date / / Reference SP82300X
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units
CTV980804
Month of Issue: August 1998
Classification: White
TELEVISION TECHNICAL BULLETIN
Page 1 of 1
MODELS
37DT25H
51DT25H
SYMPTOM Bouncing Teletext pictures on chassis version N3 or greater. The chassis version
number is indicated on the main PWB, by the cut out for the CRT base panel. The
diagram below shows a version 3 chassis.
diagram below shows a version 3 chassis.
ACTION
Fit a jumper wire, J311, to connect C521 to the emitter of Q509 as indicated in the
diagram below. Note tha the jumper number is screen printed on the component side
of the PWB.
diagram below. Note tha the jumper number is screen printed on the component side
of the PWB.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
J113
Jumper wire
QJUM-3001CEFW
AA
Location of J311 on a
Version 3 chassis
Version 3 chassis
F7213BMN3
Q509
J311
Display