VC-H84HM (serv.man30). Counter measure for grainy playback picture — Sharp VCR Technical Bulletin (repair manual)

Model
VC-H84HM (serv.man30)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
6.52 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
VCR / Counter measure for grainy playback picture
File
vc-h84hm-sm30.pdf
Date

View Sharp VC-H84HM (serv.man30) Technical Bulletin online

Sharp Electronics (UK) Limited
Originator AJ   Supervisor                        Approval Date    /   /     Reference TB9303100
Revision   
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units
VCA63-002
Month of Issue:
        Classification: Routine
VIDEO TECHNICAL BULLETIN
Page 1 of 1
MODELS
VCBS97HM
VCA63HM
VCH84HM
VCH86HM
SYMPTOM Soft picture when using the Artificial Intelligence ( AI ) feature.
CAUSE
Poor response of noise control circuit.
ACTION
Change the value of R2363 and adjust the AI voltage to 2.3V +/- 0.1V.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
R2363
Resistor 3.3k
VRD-MN2BE332J
AA

Download Sharp VC-H84HM (serv.man30) Technical Bulletin

Here you can view online or download Sharp VC-H84HM (serv.man30) Technical Bulletin in pdf. This Technical Bulletin can help you recover, restore, fix, disassemble and repair Sharp VC-H84HM (serv.man30) VCR. Information contained in Sharp VC-H84HM (serv.man30) 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).