LC-37GD1E (serv.man7). Adjustment procedures - Sharp TV Service Manual (repair manual). Page 2

6. Adjustment
6-1. COM BIAS adjustment

Shift to the “COM BIAS” item with the cursor 

'

/

"

key and select a numeric value with the cursor 

Û

/

û

 key.

Changing the numeric value with the cursor 

'

/

"

 key will make appear the test pattern.  Make an adjustment

so that the flicker near the center of the screen is minimized.
Adjust each of the ones, tens and hundreds places so that the flicker is minimized.

6-2. White balance adjustment

The way to enter the adjustment process mode is different.  Please refer to the description given for the AVC
system.
1. Connect the AVC system, start the unit, and then perform a white balance adjustment on the display.
2. Using the cursor 

'

/

" 

key, go to the process adjustment mode page 11 and bring up the adjustment

display  (High side:200 gradations, Low side:48 gradations).

3. Adjust [R GAMMAHI], [G GAMMAHI] and [B GAMMAHI] so that 200-gradation pattern becomes normal.
4. Adjust [R GAMMALO], [G GAMMALO] and [B GAMMALO] so that 48-gradation pattern becomes nomal.

Nomal pattern should be in accordance with the patten of the standard monitor.

Reference: x=0.272, y=0.275 [Minolta CA-210] (200 gradations)

x=0.272, y=0.275 [Minolta CA-210] (48 gradations)

7.Software Upgrade for Monitor Microcomputer

For this model, the software version of the monitor microcomputer can be upgraded via the AVC system. An
SD card is used to upgrade the version. For details of the procedure, method etc., refer to the Service Manual
for TU-32/37GD1E. (AVC SYSTEM)

table of contents of process mode page 0

Adjust each of the ones, tens and 
hundreds places so that the flicker 
is minimized.

SERVICE      S

→

GRAYLEVEL

   COMBIAS
   VLSBIAS
   L ERR RESET
   LCD
   PATTERN
   MOTOR AND FAN
   OTHER
   VER M301

32/37GD1E
100
155
041
    0

CEEPD