Sharp DV-5131H (serv.man16) Service Manual / Technical Bulletin ▷ View online
Sharp Electronics (UK) Limited
Originator AMo Supervisor Approval Date / / Reference UK43000
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
DV5131-005
Month of Issue:
Classification: Routine
TELEVISION TECHNICAL BULLETIN
Page 1 of 1
MODELS
DV5131H
DV3751H
SYMPTOM No teletext function.
CAUSE
Corruption of NVM data.
ACTION
Caryy out the following circuit changes.
1. Fit a wire link between jupmer J48 ( on PWB-A ) and J46 ( on PWB-B )
2. Remove L850 from PWB-B.
3. Reprogramme the NVM data, using the instrcutions on page six of the service
2. Remove L850 from PWB-B.
3. Reprogramme the NVM data, using the instrcutions on page six of the service
manual, for the following locations.
Location number
Data
00 32
01 24
02 22
21
01 24
02 22
21
5A
or replace the NVM, ensuring that the NVM matches IC1001 ( microprocessor ) mask
number as shown below
number as shown below
A529
CH-IX1463CJH1
A535
CH-IX1463CJH5
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
IC1002
A529 Mask NVM
CH-IX1463CJH1
AM
IC1002
A535 Mask NVM
CH-IX1463CJH5
AM
-
140mm Long Wire
VW7UGB5-140KK
AE
Display