Service manual

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KLV-26/32/40/46V300A
RM-GA008
3-2-7. Restoring original setting
1. Restore the original value SREG_NR = 2 (mid)
2. Send ECS command: ADJUST_LEVEL_SETTING_CLR Blue
level only. S Input set offset of V input.
3-2-8. Setup before adjustment Y signal of video
Input. (NTSC for GA)
1. Send ECS command: ADJUST_LEVEL_SETTING_INIT wait
success Receive Data.
2. Set SREG_NR = 1 (low), hreg_P4_CVD2_85 [2:0] = 0
SREG_ADJ_COLOR_PAL = 1 (for GA)
3. Set up correspond value to following resistors.
SREG_TARGET_Y_V (for GA NTSC)
[FOR GA (Video-NTSC)
SREG_TCD3_CONT_OFST_V
SREG_TCD3_SAT_OFST_V
SREG_TCD3_HUE_OFST_V
3-2-9. Y signal calibration-1 adjustment of video
input. (NTSC for GA)
1. Input 75% color bar signal via video1 input
2. Implement 2), 3) and 4) of item 3-2-5
3-2-10. C signal of video Input/HUE calibration 1
adjustment. (NTSC for GA)
1. Input 75% color bar signal via video1 input
2. Implement 2) to 10) of item 3-2-6
3-2-11. Restoring original setting
1. Restore the original value SREG_NR = 2 (mid)
2. Send ECS command: ADJUST_LEVEL_SETTING_CLR
3-3. Gamma adjustment
The following adjustments are done via ECS
Note:
Before Gamma adjustment can begin the set needs to do as follows
Aging time : 20 minutes since it is cooled.
Ambient temperature : 22 Degree - 28 Degree.
3-3-1. Set up adjustment mode
1. Set: SREG_BRIGHT = 50
2. i) Set up SREG_COL_MTRX_IDX_OFF = 4
ii) Set up SREG_COL_MTRX_IDX_L = 4
iii) Set up SREG_COL_MTRX_IDX_M = 4
iv) Set up SREG_COL_MTRX_IDX_H = 4
3. Set up SREG_G_GAM_IDX_OFST = 15
4. Wait for setting of 3)
3-3-2. Set up Trident internal SG and measure
brightness
1. Set up SREG_TEST_G_LEVEL = 204
2. Measure brightness A
3-3-3. Set up Trident internal SG and measure
brightness
1. Set up SREG_TEST_G_LEVEL =102
2. Measure brightness B
3. Set up SREG_MEASURE_GAM_01 =
(brightness B/brightness A)* 10000
4. Send the command: Gamma_Tbl_search_1
3-3-4. Set up Trident internal SG and measure
brightness
1. Set up SREG_TEST_G_LEVEL = 153
2. Measure brightness C
3. Set up SREG_MEASURE_GAM_02 =
(brightness C/brightness A)* 10000
4. Send command : Gamma_Tbl search_2
5. Wait for calculation process in µCOM
(SREG_G_GAM_IDX_OFST)
3-3-5. Set the register
1. Calculate SREG_G_GAM_IDX_OFST as below formula and
table
2. Set SREG_G_GAM_IDX_OFST as the value of 1)
Reference: If the set does not power off, it can be separated Gamma
and WB adjustment. In this case, please restore the setting as follows;
1. Set SREG_COL_MTRX_IDX_OFF = 3
SREG_COL_MTRX_IDX_L = 3
SREG_COL_MTRX_IDX_M = 3
SREG_COL_MTRX_IDX_H = 3
2. Send ECS command: CSC_BYPASS_INIT_CLR
20inchs temp75_temp
<11500
11500=<temp75
_temp<12100
12100=<temp
75_temp
210
26inchs temp75_temp
<11500
11500=<temp75
_temp<12100
12100=<temp
75_temp
210
32inchs temp75_temp
<11500
11500=<temp75
_temp<12100
12100=<temp
75_temp
210
40inchs temp75_temp
<11500
11500=<temp75
_temp<12100
12100=<temp
75_temp
210
46inchs temp75_temp
<10900
10900=<temp75
_temp<11250
11250=<temp75
_temp<12200
12200=<temp75
_temp
3210
[Calculation]
SREG_G_GAM
_IDX_OFST = A - C - D
Value C: offset value
(relationship value &
temp75_temp, see underbelow)
Value D: offset value for Bright.
Note for process of (5)
SREG_G_GAM
_IDX_OFST
calculation valueA
SREG_G_GAM
_IDX_OFST
Set to SREG
offset value C