28HW-53 (serv.man14). Set shuts down at start-up — Sharp TV Technical Bulletin (repair manual)

Model
28HW-53 (serv.man14)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
6.05 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
TV / CTR / Set shuts down at start-up
File
28hw-53-sm14.pdf
Date

View Sharp 28HW-53 (serv.man14) Technical Bulletin online

CTV 2004 03 09
Month of Issue:  
March 2004
        
Classification: 
White
TELEVISION TECHNICAL BULLETIN
Page 
1
 of 
1
Sharp Electronics (UK) Limited
Reference JC 12 03 2004 - 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
MODELS
56FW53H
66FW53H
66FW54H
76FW53H
76FW54H
66GF63H
66GF64H
76GF63H
76GF64H
28HW53H
32HW53H
SYMPTOM
Set shuts down at start up (EHT sometimes comes up, but then the set shuts down).
This can be intermittent.  Once the set has started up, it will run until the mains is
removed.
CAUSE
Dry joints on IC2402.  This IC is mounted on the print side of the PWB, underneath
the Teletext Processor (IC2401).
Note that IC2402 may not be fitted on some sets.
ACTION
Resolder all pins on IC2402.
Display

Download Sharp 28HW-53 (serv.man14) Technical Bulletin

Here you can view online or download Sharp 28HW-53 (serv.man14) Technical Bulletin in pdf. This Technical Bulletin can help you recover, restore, fix, disassemble and repair Sharp 28HW-53 (serv.man14) CTR. Information contained in Sharp 28HW-53 (serv.man14) 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).