37FT-15H (serv.man7). Countermeasure for no teletext unless in the mix mode - Sharp TV Technical Bulletin (repair manual)

Model: 37FT-15H (serv.man7)
Pages: 1 Few pages! See other manuals at the bottom of the first or last page.
Size: 42.59 KB
Type: PDF
Document: Technical Bulletin
Brand: Sharp
Device: TV / CTR / Countermeasure for no teletext unless in the mix mode
File: 37ft-15h-sm7.pdf
Date: 2018-11-20

Next: Sharp 37FT-15H (serv.man8) Technical Bulletin

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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.
ACTION
Replace Q704 using the part number given below.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
Q704
Transistor, BC338-40
RH-TX0130BMZZ
AB

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Here you can read online and download Sharp 37FT-15H (serv.man7) Technical Bulletin in PDF. 37FT-15H (serv.man7) technical bulletin will guide through the process and help you recover, restore, fix, disassemble and repair Sharp 37FT-15H (serv.man7) CTR. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.

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