2SC5446 datasheet(13/70 Pages) TOSHIBA

13 / 70 page

Alignment and Adjustments

4-2

4-4 SCREEN Adjustment

1. Input Toshiba Pattern

2. Enter “Service Mode”.(Refer to “Service Mode”)

3. Select “G2-Adjust”.

4. Set the values as below.

5. Turn the SCREEN VR until “MRCR G B” and “MRWDG” are green and those value are about 100.

(The incorrect SCREEN Voltage may result that “MRCR G B” and “MRWDG” should be red)

When you do not have Toshiba Pattern, follow this method.

1. Set the TV on the condition that AV mode no signal(black)

2. Enter the “Menu” and set the mode to blue screen off.

3. Enter the “Service Mode”.

4. Select “ G2-Adjust”.

5. Set the values as below.

IBRM = 215

WDRV = 47

CDL

= 210

COLR G B = 45

6. Turn the SCREEN VR until the value of “ MRCR G B” is about 120. Do not mind that

the “OSD” Color is red.

♦ After completing G2-Adjust, follow this procedure.

! Enter the “Video Adjust 1”.

@ Choose any item in menu. (ex. Select “Red Cutoff”)

# Change the value of item you select, and recover the value.

For example, when the value of “Red Cutoff” is 127, change the value to 128 and restore

the value to 127.

If you do not follow this procedure, the picture may be abnormal.

For example, when the TV set is on, the picture becames brighter gradually.

Note 1.

29 Inch

IBRM = 215

WDRV = 44 -> 47

CDL

= 235 -> 210

COLR G B = 122 -> 45

2SC5446 датащи(PDF) 13 Page - Toshiba Semiconductor