DOWNLOAD Sharp 37GT-25 (serv.man9) Service Manual ↓ Size: 25.59 KB | Pages: 1 in PDF or view online for FREE

Model
37GT-25 (serv.man9)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
25.59 KB
Type
PDF
Document
Service Manual / Technical Bulletin
Brand
Device
TV / CTR / NVM adjustment procedure
File
37gt-25-sm9.pdf
Date
PREV: Sharp 37GT-25 (serv.man8) Service Manual / Technical Bulletin

Sharp 37GT-25 (serv.man9) Service Manual / Technical Bulletin ▷ View online

CTV2001 09 01
Month of Issue:  September 2001
Classification: White
TELEVISION TECHNICAL BULLETIN
Page 1 of 1
Sharp Electronics (UK) Limited
Reference AVW10092001-1
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
MODELS
37GT25H
37GT25IR
51GT25H
REASON
NVM adjustment procedure
ACTION
When replacing the NVM it is essential that the data is correctly set for the model.  If
this is not carried out according to the information outlined below, the receiver will not
be able to tune correctly and the teletext position will be poorly aligned.
Model
Page
Location
Value
Purpose
00
0B
72
TV options
37GT25H
00
47
0A
Teletext position
00
0B
F0
TV options
37GT25IR
00
47
0A
Teletext position
00
0B
F8
TV options
51GT25H
00
47
1E
Teletext position
All of the above locations are in hexadecimal format.  To set the values, it is necessary
to press the number keys on the remote control to 'toggle' the various bits between ‘1’
and ‘0’.  Note the examples below:
Hexadecimal code 
(displayed on screen)
A
9
Binary code
1
0
1
0
1
0
0
1
Remote key to 'toggle'
7
6
5
4
3
2
1
0
If the above value (A9) has to be changed to 5F, keys 1,2,4 and 5 will have to be
pressed.
A9  Binary  code
1
0
1
0
1
0
0
1
5F  Binary  code
1
0
0
1
1
1
1
1
Remote key to 'toggle'
5
4
2
1
Note that keys 0,3,6 and 7 do not need to be pressed, as the bit has already been set
correctly.
Also ensure that the AFT is set to 40 and adjust the geometry and grey scale as
required.
Display

Sharp 37GT-25 (serv.man9) Service Manual / Technical Bulletin ▷ Download

  • DOWNLOAD Sharp 37GT-25 (serv.man9) Service Manual ↓ Size: 25.59 KB | Pages: 1 in PDF or view online for FREE
  • Here you can View online or download the Service Manual / Technical Bulletin for the Sharp 37GT-25 (serv.man9) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp 37GT-25 (serv.man9) CTR. Information contained in Sharp 37GT-25 (serv.man9) Service Manual / Technical Bulletin (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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