LC-32GD1E (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
unit.

7. Adjusting procedure by use of RS-232C

• Get ready the PC with COM port (RS-232C) running on Windows 98/98SE/ME/2000/XP operating system,
as well as the RS-232C cross cable.
• Start the unit with the RS-232C cable connected.
• Start the terminal software.
(The freeware readily available on the Internet will do.)
• Make the following settings.

Baud rate

  9600

Data

  8 bits

Parity

  None

Stop bit

  1 bit

Flow control   Not implemented

• If the settings are correct, the terminal software indicates “ERR” against pressing of the “ENTER” key.
• After the settings are done correctly, it is possible to make an adjustment by typing in the command shown in
the table below and pressing the “ENTER” key on the keyboard.
Command entry is successful if the terminal software indicates “OK” when the “ENTER” is pressed.
If “ERR” is shown, retry to enter the command.

8. RS232C command table

  Command

Function

Remarks

   MSET1001

Starting the white balance adjustment

Ending the adjustment with a numeric value other than 1001

   MOFR 

∗ ∗ ∗ ∗

Adjusting the R GAMMA L value

Range: 0000~0255

   MOFG 

∗ ∗ ∗ ∗

Adjusting the G GAMMA L value

Range: 0000~0255

   MOFB 

∗ ∗ ∗ ∗

Adjusting the B GAMMA L value

Range: 0000~0255

   MGAR 

∗ ∗ ∗ ∗

Adjusting the R GAMMA H value

Range: 0000~0255

   MGAG 

∗ ∗ ∗ ∗

Adjusting the G GAMMA H value

Range: 0000~0255

   MGAB 

∗ ∗ ∗ ∗

Adjusting the B GAMMA H value

Range: 0000~0255

   MINF0000

Displaying the R GAMMA table

   MINF0001

Displaying the G GAMMA table

   MINF0002

Displaying the B GAMMA table

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
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CEEPD