28HW-53 (serv.man16). NVM programming Jig (revision-9) - Sharp TV Technical Bulletin (repair manual). Page 2

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CTV2002 04 01
Month of Issue:  
May 2003
        
Classification: 
White
TELEVISION TECHNICAL BULLETIN
Page 2 of 3
Sharp Electronics (UK) Limited
Reference JR08042002-1
Revision 9
White – Carry out as required
Yellow – Carry out as required and whenever the unit comes in for service
 Red – Carry out on all units
Procedure
Programming NVMs in the Television Set
You will require:
1. A 
PC 
(minimum specification 386 or better)
2.  Software to download to the NVM software. (provided on our website as described above)
3.  Software to address the NVM and read the data.  (see 
(a)
 below)
4.  A hardware buffer connected between your PC printer port and the NVM in the television.  (See 
(b)
 below)
5.  A connector to make contact with the NVM (see 
(c)
 below).
(a)  SOFTWARE:
Link1
NK1
There are several versions of software freely available on the Internet, one version can be found at the following
location.   
http://www.lancos.com/ppwin95.html
We have used Version 1.17 with great success.
(b) HARDWARE; 
link2
The stated website has details of several circuits, some which are ready built and can be purchased.  The most
important thing to remember is that the circuit and the software need to be compatible otherwise configuration problems
may be encountered.   
http://www.lancos.com/prog.html#easyi2c
An example circuit is shown below.
3.5V
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