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DV-3761H (serv.man3). Change ot the reset circuit to prevent NVM corruption - Sharp TV Technical Bulletin (repair manual)

dv-3761h (serv.man3) technical bulletin
Model
DV-3761H (serv.man3)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
8.09 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
TV / CTR / Change ot the reset circuit to prevent NVM corruption
File
dv-3761h-sm3.pdf
Date
Next: Sharp DV-3761H (serv.man4) Technical Bulletin

Read Sharp DV-3761H (serv.man3) Technical Bulletin online

Sharp Electronics (UK) Ltd Technical Support Group
Originator ________ Supervisor_________ Approval Date ___/___/___   UK52801X
Date :
21 December 1998
Model:
DV5161H
Ref No:
DV5161-003
Classification: Routine
TELEVISION TECHNICAL BULLETIN
Page 1 of 1
Subject : Corruption of NVM data
SYMPTOM No teletext, colour or vertical size is incorrect.
CAUSE
The microprocessor reset time is too short.
ACTION
Carry out the following circuit improvement, 
1.
Increase the value of C1017 from 2.2MFD to 100MFD.
2.
Add a 270ohm resistor in series with the positive terminal of C1017.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
C1017
100MFD
VCEAGA1CW107M
AB
270 Ohm 1/8W
VRD-RA2BE271J
AA
Display

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Here you can read online and download Sharp DV-3761H (serv.man3) Technical Bulletin in PDF. DV-3761H (serv.man3) technical bulletin will guide through the process and help you recover, restore, fix, disassemble and repair Sharp DV-3761H (serv.man3) 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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