Read Sharp 59ES-D7H (serv.man34) Technical Bulletin online
CTV2001 03 02
Month of Issue:
July 2001
Classification:
Yellow
TELEVISION TECHNICAL BULLETIN
Page 6 of 10
Sharp Electronics (UK) Limited
Revision 4
White – Carry out as required
Yellow – Carry out as required and whenever the unit comes in for service
Red – Carry out on all units
SYMPTOM In some instances, when a RGB signal is applied to the EURO-SCART socket, the
brightness varies with picture content.
CAUSE
Incorrect black level clamping.
ACTION
Adjust NVM data on page 0D, position 0C from 73 to 57.
SYMPTOM Set fails to start, green LED stays on permanently. Only one burst of activity on the
NVM I
2
C bus.
CAUSE
Serial data problem.
ACTION
Remove the NVM (IC1003) and turn the set on.
If the LED gives two flashes, this means that there is no NVM data and that the
processor and OTP are working correctly. This probably means that the NVM is
faulty.
processor and OTP are working correctly. This probably means that the NVM is
faulty.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
IC1003
IC, NVM
RH-IX1603BMZZ
AV
SYMPTOM Low contrast, but when the test mode is entered, it returns to normal.
CAUSE
NVM corrupted.
ACTION
Adjust G2 as described on Technical Bulletin CTV2000 01 04.
NB. If the fault does not clear, replace the NVM.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
IC1003
NVM
RH-IX1603BMZZ
AV
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