LC-37GA9EK (serv.man6). Service Adjustments - Sharp TV Service Manual (repair manual). Page 5

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19
 LC-26GA5E
 LC-32GA5E
  LC-32GA9E/LC-32BV9E
  LC-37GA9E/LC-37BV9E
M GAMMA IN 1
160
M GAMMA IN 2
320
M GAMMA IN 3
480
M GAMMA IN 4
640
M GAMMA IN 5 
800
M GAMMA IN 6
960
1- Display the current adjustment status at point 6. (Page 9/11 of process adjustment)
The pattern for checking the adjustment status is toggled by pressing the “6” button on the remote control. (Normal 
OSD display -> “6” -> pattern for check (OSD disappears) -> “6” -> normal OSD display -> …)
2- Read the value of the luminance meter.
3- Change M GAMMA R6/M GAMMA B6 (adjustment offset value) on page 9/11 of process adjustment so that the 
values of the luminance meter approach 
x = 0.272 and y = 0.277.
(Basically, G is not changed. If adjustment fails only with R and B, then G should be reduced. In this case, the weaker 
of R and B must be fixed.)
4- If G is changed in step “3”, change the values of M GAMMA G1 - M GAMMA G5 on pages 8/11 and 9/11 of process 
adjustment as follows. When not changed, go to step “5”.
Offset value of M GAMMA G1 = (Offset value of M GAMMA G6)*(160/960)
   Offset value of M GAMMA G2 = (Offset value of M GAMMA G6)*(320/960)
Offset value of M GAMMA G3 = (Offset value of M GAMMA G6)*(480/960)
Offset value of M GAMMA G4 = (Offset value of M GAMMA G6)*(640/960)
Offset value of M GAMMA G5 = (Offset value of M GAMMA G6)*(800/960)
5- Display the adjustment status of the current point 5. (Each time the “5” button on the remote control is pressed, the 
adjustment status check pattern is toggled.)
(Normal OSD display -> “5” -> Pattern display (OSD disappears) -> “5” -> Normal OSD display ->…)
Change M GAMMA R5/M GAMMA B5 (adjustment offset value) on page 9/11 of process adjustment so that the val-
ues of the luminance meter approach 
x = 0.272 and y = 0.277.
6- Repeat step “5” for GAMMA points 4, 3, 2, and 1.
   
7 QS Temperature NVM Data Confirmation
If during servicing of the LCD TV set, by software upgrading or by clearing NVM, it’s necessary check QS Temperature 
data following the method described below:
Enter in Service Mode (Factory A). 
Enter in Factory B page 1/25, by pressing “i+” key in normal R/C. 
Go to page 24/25 by pressing twice “Cursor UP” key. 
Verify and in case necessary modify according the attached list, “QS_D1” to “QS_D7” values, depending of the screen 
size.
26 inch
32 inch
37 inch
QS_D1
58
74
51
QS_D2
76
89
72
QS_D3
92
101
90
QS_D4
105
112
106
QS_D5
118
123
121
QS_D6
254
133
254
QS_D7
255
255
255
NOTE:
-Use “P UP” or “P DOWN” for moving “up” or “down” inside the Service page.
-Use “VOL +” or “VOL -” for modifying data in “+1” or “-1” unit inside the Service page.
-Use “CURSOR RIGHT” or “CURSOR LEFT” for modifying data in “+10” or “-10” units inside the Service page.
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