37GT-25. version 00 - Sharp TV Service Manual (repair manual). Page 8

PAGE

ADDRESS

DESCRIPTION

VALUE

C4

10

C5

02

C6

00

C7

30

C8

04

C9

PAGE MEMORY FOR LIST MODE PROGRAM 6

00

CA

10

CB

02

CC

00

CD

30

CE

04

CF

PAGE MEMORY FOR LIST MODE PROGRAM 7

00

1

D0 ∼ FF

RESERVED

FF

{

Page 100

{

Page 200

{

Page 300

{

Page 400

In page memory for LIST MODE, every digit is written in one nibble (4 bits).
The default values for programs 0

∼7 are as follows: 100, 200, 300, 400.

Example: Program 0

NVM Position:

      A0

      A1

     A2

      A3

     A4

     A5

{

0

{

2

{

0

{

0

{

3

{

0

{

0

{

4

{

0

{

0

{

1

{

0

 NVM Value:

•••••PIF/AGC Adjustement

•••••Screen Adjustement

3. Focus Adjustment

 Set contrast to 10/10, brightness to 5/10 and
colour 0/10.

Apply mains voltage of 220V AC/50HZ to TV.

1.

 Receive Philips pattern signal to a level between
60 and 80 dB

µV.

2

.

3

.

 Adjust focus potentiometer to obtain
maximum definition.

4

.

1. AFT Adjustment

 

 AFT must be adjusted to a fixed value of 40.

 Receive the «COLOUR BAR» signal (Channel E-
12).

 Signal strength: 53 dBµV.

2. RF-AGC Cut-In Adjustment (I2C BUS)

 Switch set OFF  and ON again, setting is now
memorized.

1

.

 Enter into Service Mode.

2

.

 Push CH 

∧

  until AGC  appears on screen.

3

.

4

.

    Push         key of R/C.Setting is made
    automatically. During this setting the colour bar
    shall go from red to yellow. When setting is
    finished, colour bar disappears and B-STOP
    (bus stop)is shown on screen.

5

.

4. G2 Adjustment

the screen VR of FBT.

5

. 

Check BKGD. If it is necessary adjust BKGD

    according to instructions detailed in the next
    page.

Apply mains voltage of 220V AC/50HZ to TV.

1.

 Receive the «MONOSCOPE» pattern signal to a
level between 60 and 80 dB

µV.

2

.

3

.

4

.

Enter into Service Mode. Press the TEXT key of
R/C  and set to level.

Set to the point where the raster disappears on