DV-5150H (serv.man12). Counter measure for the protection of the frame output IC — Sharp TV Technical Bulletin (repair manual)

Model
DV-5150H (serv.man12)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
8.24 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
TV / CTR / Counter measure for the protection of the frame output IC
File
dv-5150h-sm12.pdf
Date

View Sharp DV-5150H (serv.man12) Technical Bulletin online

Sharp Electronics (UK) Ltd Technical Support Group
Originator ________ Supervisor_________ Approval Date ___/___/___   UK42500X
    Date :
21 December 1998
    Model:
DV5131H
    Ref No:
DV5131-002
    Classification: 
Immediate
TELEVISION TECHNICAL BULLETIN
Page 1 of 1
Subject : Protection of frame output IC
SYMPTOM Failure of IC501
CAUSE
Increased flyback voltage.
ACTION
When replacing IC501, carry out the following circuit improvement using the part numbers
given below.
1.
Remove jumper from D502 position and insert a 4.7V zener diode in its place.
Polarisation is as indicated on the screen printing.
2
Fit diode D503 as indicated on PWB.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
D502
4.7V zener diode
RH-EX0478BMZZ
AB
D503
1N4004 diode
RH-DX0501BMZZ
AB
Display

Download Sharp DV-5150H (serv.man12) Technical Bulletin

Here you can view online or download Sharp DV-5150H (serv.man12) Technical Bulletin in pdf. This Technical Bulletin can help you recover, restore, fix, disassemble and repair Sharp DV-5150H (serv.man12) CTR. Information contained in Sharp DV-5150H (serv.man12) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).