Sharp 37ET-35H (serv.man17) Service Manual / Technical Bulletin ▷ View online
Sharp Electronics (UK) Limited
Reference AM240899-1
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
CTV990807
Month of Issue: August 1999
Classification: White
TELEVISION TECHNICAL BULLETIN
Page 1 of 1
MODELS
37DT25H
37ET35H
37FT15H
51DT25H
SYMPTOM No teletext unless in the mix mode.
CAUSE
+5Va supply high at +7.0V because Q704 (+5Va regulator) is short circuit between
collector and emitter.
collector and emitter.
ACTION
Replace Q704 using the part number given below.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
Q704
Transistor, BC338-40
RH-TX0130BMZZ
AB
Display