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28LF-94H (serv.man6). Erratic power supply operation - Sharp TV Technical Bulletin (repair manual)

28lf-94h (serv.man6) technical bulletin
Model
28LF-94H (serv.man6)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
32.91 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
TV / CTR / Erratic power supply operation
File
28lf-94h-sm6.pdf
Date
Next: Sharp 28LF-94H (serv.man7) Firmware

Read Sharp 28LF-94H (serv.man6) Technical Bulletin online

CTV 2005 01 03
                                                                                                      Date of Issue:     12
th
 January 2005
                                                                                                      Classification: 
White
TELEVISION TECHNICAL BULLETIN
Page 1 of 1
Sharp Electronics (UK) Limited
Reference - JR 12 01 2005 - 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
MODEL
28LF94H
SYMPTOM Various symptoms:
•
  Erratic operation
•
  Failure of power supply components
•
 
Does not turn on
REASON
Collector of Q804 (standby control transistor) not soldered.
ACTION
Re-flow the solder on Q804 and repair power supply as necessary.
Re-flow the solder on Q804.
Display

Download Sharp 28LF-94H (serv.man6) Technical Bulletin

Here you can read online and download Sharp 28LF-94H (serv.man6) Technical Bulletin in PDF. 28LF-94H (serv.man6) technical bulletin will guide through the process and help you recover, restore, fix, disassemble and repair Sharp 28LF-94H (serv.man6) 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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