Sharp 76GF-63 (serv.man16) Service Manual / Technical Bulletin ▷ View online
CTV2002 11 05
Month of Issue:
May 2003
Classification:
White
TELEVISION TECHNICAL BULLETIN
Page 1 of 1
Sharp Electronics (UK) Limited
Reference JR12112002-1
Revision 3
White – Carry out as required
Yellow – Carry out as required and whenever the unit comes in for service
Red – Carry out on all units
MODELS
28HW53H
32HW53H
56FW53H
66FW53H
66GF63H
66GF64H
66FW54H
76FW53H
76FW54H
76GF63H
76GF64H
REASON
Selection of the correct NVM blanking jig.
ACTION
There are two types of blanking jig, they are suitable for each of the two types of
ROM/OTP (IC1002) device used in the above models, 27C4001 or 37VF040. Check
to see which is fitted before selecting the jig.
ROM/OTP (IC1002) device used in the above models, 27C4001 or 37VF040. Check
to see which is fitted before selecting the jig.
Another way to identify the type of IC1002, its that the 37VF040 works at 3.3V. The
27C4001 works at 5V.
27C4001 works at 5V.
As a guide, chassis which are ‘copper clad’ on the top of the PWB use the 37VF040
memory device.
memory device.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
Jig for 27C4001
FW-SERV-JIG01
AZ
Jig for 37VF040
HW-SERV-JIG01
AZ
Display