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

vc-h84hm (serv.man30) technical bulletin
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

Read 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
Display

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Here you can read online and download Sharp VC-H84HM (serv.man30) Technical Bulletin in PDF. VC-H84HM (serv.man30) technical bulletin will guide through the process and help you recover, restore, fix, disassemble and repair Sharp VC-H84HM (serv.man30) VCR. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.