DOWNLOAD Sharp 28LF-94H (serv.man4) Service Manual ↓ Size: 2.93 MB | Pages: 2 in PDF or view online for FREE

Model
28LF-94H (serv.man4)
Pages
2 Few pages! See other manuals at the bottom of the first or last page.
Size
2.93 MB
Type
PDF
Document
Service Manual / Technical Bulletin
Brand
Device
TV / CTR / Intermittent reset
File
28lf-94h-sm4.pdf
Date
PREV: Sharp 28LF-94H (serv.man3) User Manual / Operation Manual

Sharp 28LF-94H (serv.man4) Service Manual / Technical Bulletin ▷ View online

CTV 2005 11 02
Date of Issue:    18
th
 November 2005
        
Classification:
White
TELEVISION TECHNICAL BULLETIN
Page 1 of 2
Sharp Electronics (UK) Limited
Reference - SP054000X
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
MODELS
28LF94H
SYMPTOM Intermittent reset.
CAUSE
Noise on the reset line.
ACTION
Replace R844 with a SMD jumper link.  This resistor is mounted on the 100Hz PWB
Note
By shorting S723, the microprocessor can be reset.  However, when R844 is replaced
by a jumper link, this will no longer be possible.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
R844
SMD jumper link
V30022132
AB
Physical Location of R844
CTV 2005 11 02
Date of Issue:    18
th
 November 2005
        
Classification:
White
TELEVISION TECHNICAL BULLETIN
Page 2 of 2
Sharp Electronics (UK) Limited
Reference - SP054000X
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
Schematic Location of R844
Display

Sharp 28LF-94H (serv.man4) Service Manual / Technical Bulletin ▷ Download

  • DOWNLOAD Sharp 28LF-94H (serv.man4) Service Manual ↓ Size: 2.93 MB | Pages: 2 in PDF or view online for FREE
  • Here you can View online or download the Service Manual / Technical Bulletin for the Sharp 28LF-94H (serv.man4) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp 28LF-94H (serv.man4) CTR. Information contained in Sharp 28LF-94H (serv.man4) Service Manual / Technical Bulletin (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

Found More:

28LF-94H (serv.man4) Service Manuals

Preview DownloadPagesSize
28LF-94H Service Manual 72 2.73 MB
28LF-94H (serv.man2) Service Manual 20 856.14 KB
28LF-94H (serv.man3) User Manual / Operation Manual 32 2.15 MB
28LF-94H (serv.man7) NVM Data Firmware 775 B
28LF-94H (serv.man5) CRT disposal Service Manual / Technical Bulletin 1 5.98 KB
28LF-94H (serv.man6) Erratic power supply operation Service Manual / Technical Bulletin 1 32.91 KB

RANDOM: