DV-5161H (serv.man12). Counter measure for tuner drift - Sharp TV Technical Bulletin (repair manual)

dv-5161h (serv.man12) technical bulletin

Model: DV-5161H (serv.man12)
Pages: 1 Few pages! See other manuals at the bottom of the first or last page.
Size: 9.56 KB
Type: PDF
Document: Technical Bulletin
Brand: Sharp
Device: TV / CTR / Counter measure for tuner drift
File: dv-5161h-sm12.pdf
Date: 2018-11-20

Next: Sharp DV-5161H (serv.man13) Technical Bulletin

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Sharp Electronics (UK) Ltd Technical Support Group
Originator ________ Supervisor_________ Approval Date ___/___/___   UK51902X
Date :
21 December 1998
Model:
DV5161H
Ref No:
DV5161-002
Classification: Immediate
TELEVISION TECHNICAL BULLETIN
Page 1 of 1
Subject : Counter measure for tuning drift

SYMPTOM Tuner drifting/patterning.
CAUSE
Narrow AFC range.
ACTION
1.
Add a resistor R227 (220k
6 FW ) from the tuner AGC pin to ground.
2.
On the underside of the PWB add a IN4148 diode between pins 5 and 15 of IC201
(cathode to pin 5).
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
220k
6 FW
VRD-RA2BE224J
AA
Diode
RH-DX0045BMZZ
AA

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Here you can read online and download Sharp DV-5161H (serv.man12) Technical Bulletin in PDF. DV-5161H (serv.man12) technical bulletin will guide through the process and help you recover, restore, fix, disassemble and repair Sharp DV-5161H (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.

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