Sharp 66GS-62 (serv.man21) Service Manual / Technical Bulletin ▷ View online
CTV 2004 03 05
Month of Issue:
March 2004
Classification:
White
TELEVISION TECHNICAL BULLETIN
Page 1 of 1
Sharp Electronics (UK) Limited
Reference AvW 10 03 2004 - 5
Revision 1
White – Carry out as required
Yellow – Carry out as required and whenever the unit comes in for service
Red – Carry out on all units
MODEL
66GS62H
Vertical Stage Problems with the GA10 Chassis
Red, Green and Blue Lines at the Top of the Picture
Lines at the top of the picture can be caused by corruption of the memory, check and set the NVM locations as follows.
The fault can also happen if the +25V is low to the vertical flyback circuit or if there is a fault in the vertical, reducing the
flyback level.
Lines at the top of the picture can be caused by corruption of the memory, check and set the NVM locations as follows.
The fault can also happen if the +25V is low to the vertical flyback circuit or if there is a fault in the vertical, reducing the
flyback level.
24645 Type NVM
24C16 Type NVM
Page
Address
Value
Page
Address
Value
0C
EB
10
05
D6
10
0C
F7
1A
05
E2
1A
Vertical Jittering
This normally occurs when using a Nintendo 64, Dreamcast or Sega Saturn games console through the SCART
connector, although the problem has been experienced on off-air broadcasts. Replace the EPROM with the part
number shown below. This new version of software is designated H1-03X11 (written on the top of the IC).
This normally occurs when using a Nintendo 64, Dreamcast or Sega Saturn games console through the SCART
connector, although the problem has been experienced on off-air broadcasts. Replace the EPROM with the part
number shown below. This new version of software is designated H1-03X11 (written on the top of the IC).
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
IC1002
EPROM 1M 3M Flash
CH-IX1845CJH0
AG
Display
