Read Sharp DV-5161H (serv.man11) Technical Bulletin online
Sharp Electronics (UK) Limited
Originator AMu Supervisor Approval Date / / Reference UK51802X
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
DV5161-001
Month of Issue:
Classification: Routine
TELEVISION TECHNICAL BULLETIN
Page 1 of 1
MODELS
DV5161H
SYMPTOM The height varries with picture content.
CAUSE
Tolerance change of beam current limiter circuit.
ACTION
Carry out the following cicuit change.
1. Add a 270k, 1/8W in parellel with D610 on the print side of the PWB.
2. Remove R821.
3. Add a 110k, 1/8W resistor between the cathode of D801 and ground.
4. Replace C832 with a 100nF, 5%, 63V polyester film capacitor.
5. Replace the NVM with the new software version.
2. Remove R821.
3. Add a 110k, 1/8W resistor between the cathode of D801 and ground.
4. Replace C832 with a 100nF, 5%, 63V polyester film capacitor.
5. Replace the NVM with the new software version.
Use the parts listed below.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
-
Resistor 270k, 1/8W
VRD-RA2BE274J
AA
-
Resistor 110k, 1/8W
VRD-RA2BE114J
AA
-
Capacitor 100nF, 63V,5%
RC-FZ9104BMNJ
AB
IC1002
NVM
CH-IX1463CJSS
AK
Display
