Read Sharp XG-NV1E (serv.man26) Technical Bulletin online
Sharp Electronics (UK) Limited
Originator AvW Supervisor Approval Date / / Reference LV-033
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
LCP980402
Month of Issue: April 1998
Classification: White
LCP TECHNICAL BULLETIN
Page 1 of 1
MODELS
XGNV1E
SYMPTOM A horizontal line appears at every sixth horizontal pixel.
CAUSE
Tollerance changes.
ACTION
Carry out the following circuit improvement.
1. Change C4220, C4143 and C4066 to a 270pF.
2. Insert diode, D4009 as indicated in the diagram.
3. If the vertical lines are visible on red, change IC1005, IC1006 and IC1029.
4. If the vertical lines are visible on green, change IC1003, IC1004 and IC1028
5. If the vertical lines are visible on blue, change IC1007, IC1008 and IC1030.
2. Insert diode, D4009 as indicated in the diagram.
3. If the vertical lines are visible on red, change IC1005, IC1006 and IC1029.
4. If the vertical lines are visible on green, change IC1003, IC1004 and IC1028
5. If the vertical lines are visible on blue, change IC1007, IC1008 and IC1030.
Use the part numbers given below.
Note part number for IC's is a kit containing three IC's.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
-
3 x Capacitor, 270pF
VCCCCY1HH271J
AA
-
3 x IC
BQC-XGNV1U//2
AS
D4009
Diode
VHDMA152WK/-1
AA
Display
