37EM-33H (serv.man12). Countermeasure for whistling power supply during the standby mode - Sharp TV Technical Bulletin (repair manual)

37em-33h (serv.man12) technical bulletin
Model
37EM-33H (serv.man12)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
33.55 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
TV / CTR / Countermeasure for whistling power supply during the standby mode
File
37em-33h-sm12.pdf
Date

Read Sharp 37EM-33H (serv.man12) Technical Bulletin online

Sharp Electronics (UK) Limited
Originator AvW   Supervisor                        Approval Date    /   /     
Reference  UK90100X
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
CTV990201
Month of Issue: Febuary 1999
        Classification:                White
TELEVISION TECHNICAL BULLETIN
           Page 1 of 1
MODELS
37DM23H
37DT25H
37EM33H
37ET35H
51DT25H
SYMPTOM In standby, as whistling may be heard comming from the power supply.
CAUSE
C705 resonating.
ACTION
Apply silicon bond between C705 and the PWB as shown below.
Note that it is important that the silicon bond DOES NOT touch the heat sink of Q701.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
-
Silicon bond
ZSLCN-098R60E
TBA
SILICON
BOND
C705
SILICON
BOND
C705

Download Sharp 37EM-33H (serv.man12) Technical Bulletin

Here you can read online and download Sharp 37EM-33H (serv.man12) Technical Bulletin in PDF. 37EM-33H (serv.man12) technical bulletin will guide through the process and help you recover, restore, fix, disassemble and repair Sharp 37EM-33H (serv.man12) 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.