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Model
KLV-26V300A KLV-32V300A KLV-40V300A KLV-46V300A
Pages
106
Size
15.59 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
klv-26v300a-klv-32v300a-klv-40v300a-klv-46v300a.pdf
Date

Sony KLV-26V300A / KLV-32V300A / KLV-40V300A / KLV-46V300A Service Manual ▷ View online

– 36 –
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
2
1
0
26inchs
temp75_temp
<11500
11500=<temp75 
_temp<12100
12100=<temp 
75_temp
2
1
0
32inchs
temp75_temp
<11500
11500=<temp75 
_temp<12100
12100=<temp 
75_temp
2
1
0
40inchs
temp75_temp
<11500
11500=<temp75 
_temp<12100
12100=<temp 
75_temp
2
1
0
46inchs
temp75_temp
<10900
10900=<temp75 
_temp<11250
11250=<temp75 
_temp<12200
12200=<temp75 
_temp
3
2
1
0
[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
– 37 –
KLV-26/32/40/46V300A
RM-GA008
3-4.
White balance adjustment
Adjust the following items via ECS
3-4-1.
Initial setting for white balance
i)
Set up SREG_COL_MTRX_IDX_OFF = 3
ii) Set up SREG_COL_MTRX_IDX_L = 3
iii) Set up SREG_COL_MTRX_IDX_M = 3
iv) Set up SREG_COL_MTRX_IDX_H = 3
3-4-2.
White balance adjustment when color
temperature is “cool”
1. Set up SREG_COLOR_TEMP = 0 (Cool)
Reference: To separate GAMMA & WB adjustment, operate the
following initial setting before WB adjustment
- Send ECS command: CSC_BYPASS_INIT_SET
2. Set SREG_TEST_G_LEVEL = 204 (80 IRE)
3. Adjust values of SREG_WB_GAM_R (B) 05 to be the chroma
in below table
4. Set SREG_TEST_G_LEVEL = 128 (50 IRE)
5. Adjust values of SREG_WB_GAM_R (B) 04 to be the chroma
in below table
6. Set SREG_TEST_G_LEVEL = 76 (30 IRE)
7. Adjust values of SREG_WB_GAM_R (B) 03 to be the chroma
in below table
8. Set SREG_TEST_G_LEVEL = 51 (20 IRE)
9. Adjust values of SREG_WB_GAM_R (B) 02 to be chroma in
below table
10. Set SREG_WB_GAM_R( B) 01 as follows;
SREG_WB_GAM_R (B) 01
= SREG_WB_GAM_R (B) 02
+ [SREG_WB_GAM_R (B) 02-SREG_WB_GAM_R (B) 03]
11. Set SREG_WB_GAM_R06-07 and SREG_WB_GAM_B06 ~ 07
as follows;
[When ADJ data SREG_WB_GAM_B05 > 154]
[ADJ data SREG_WB_GAM_R05 > 128]
SREG_WB_GAM_R (B) 06 = SREG_WB_GAM_R (B) 05
- [SREG_WB_GAM_R (B) 05 - SREG_WB_GAM_R (B) 04] /2
SREG_WB_GAM_R (B) 07 = 128
[ADJ data SREG_WB_GAM_R05 = < 128]
SREG_WB_GAM_B06 = SREG_WB_GAM_B05
- [SREG_WB_GAM_B05-SREG_WB_GAM_B04] /2
SREG_WB_GAM_B07 = 128
SREG_WB_GAM_R06 = SREG_WB_GAM_R07
= SREG_WB_GAM_R05
[When ADJ data SREG_WB_GAM_B05 = < 154]
SREG_WB_GAM_R (B) 06 = SREG_WB_GAM_R (B) 07
= SREG_WB_GAM_R (B)_05
3-4-3.
White balance adjustment when color
temperature is “Neutral”
1. Set up SREG_COLOR_TEMP = 1 (Neutral)
2. Set SREG_TEST_G_LEVEL = 204 (80 IRE)
3. Adjust values of SREG_WB_R (B) 05_OFST to be the chroma
in the below table
4. Set SREG_TEST_G_LEVEL = 128 (50 IRE)
5. Adjust values of SREG_WB_R (B) 04_OFST to be the chroma
in the below table
6. Set SREG_TEST_G_LEVEL = 76 (30 IRE)
7. Adjust values of SREG_WB_R (B) 03_OFST to be the chroma
in the below table
8. Set SREG_TEST_G_LEVEL = 51 (20 IRE)
9. Adjust values of SREG_WB_R (B) 02_OFST to be chroma in
the below table
10. Set values of SREG_WB_GAM_R (B) 01_OFST as follows;
SREG_WB_R (B) 01_OFST
= SREG_WB_R (B) 02_OFST
+ [SREG_WB_R (B) 02_OFST-SREG_WB_R (B) 03_OFST]
11. Set values of SREG_WB_R06 ~ 07_OFST and
WB_B 06 ~ 07_OFST as follows;
SREG_WB_R (B) 07_OFST
= SREG_WB_R (B) 05_OFST
+ [SREG_WB_R (B) 05_OFST-SREG_WB_R (B) 04_OFST]
SREG_WB_R (B) 06_OFST
= SREG_WB_R (B) 05_OFST
+ [SREG_WB_R (B) 05_OFST-SREG_WB_R (B) 04_OFST] /2
12. Send ECS command: COLOR_SAVE
Internal
signal
(IRE)
SREG
_Test_G
_LEVEL
SPEC
target
46"
40"
32"
26"
20
51
0.5->0.7->1JND
.0014->.00196->.0028
0.5->0.7->1JND
.0014->.00196->.0028
0.5->0.7JND
0.0014->0.00196
0.3->0.5JND
0.0008->0.0014
0.2719 0.2734 0.2739 0.2745
0.2788 0.2741 0.2779 0.2795
0.1875 0.1904 0.1893 0.1891
0.4325 0.4296 0.4322 0.4333
0.2751 0.2743 0.2724 0.2729
0.2732 0.2717 0.2662 0.2670
0.1921 0.1921 0.1929 0.1929
0.4292 0.4281 0.4241 0.4247
0.2728 0.2730 0.2726 0.2723
0.2688 0.2719 0.2705 0.2702
0.1921 0.1910 0.1913 0.1912
0.4259 0.4281 0.4270 0.4268
0.2748 0.2744 0.2754 0.2758
0.2758 0.2757 0.2754 0.2759
0.1908 0.1906 0.1914 0.1916
0.4309 0.4308 0.4308 0.4312
30
76
50
128
80
204
x
y
u'
v'
x
y
u'
v'
x
y
u'
v'
x
y
u'
v'
x
y
u'
v'
The target of White balance adjustment when color temperature is “Cool”.
Internal
signal
(IRE)
SREG
_Test_G
_LEVEL
SPEC
target
46"
40"
32"
26"
20
51
0.5->0.7->1JND
.0014->.00196->.0028
0.5->0.7->1JND
.0014->.00196->.0028
0.5->0.7JND
0.0014->0.00196
0.3->0.5JND
0.0008->0.0014
0.2818 0.2813
0.2820
0.2839 0.2878
0.2812
0.1929 0.1910
0.1941
0.4373 0.4397
0.4356
0.2849 0.2841
0.2830
0.2867 0.2883
0.2843
0.1941 0.1929
0.1936
0.4395 0.4404
0.4377
0.2838 0.2833
0.2852
0.2843 0.2893
0.2850
0.1943 0.1919
0.1950
0.4378 0.4409
0.4385
0.2827 0.2822
0.2847
0.2860 0.2889
0.2883
0.1928 0.1912
0.1933
0.4388 0.4405
0.4405
0.2806
0.2790
0.1940
0.4339
0.2821
0.2823
0.1938
0.4363
0.2849
0.2846
0.1950
0.4382
0.2843
0.2875
0.1934
0.4399
30
76
50
128
80
204
x
y
u'
v'
x
y
u'
v'
x
y
u'
v'
x
y
u'
v'
The target of White balance adjustment when color temperature is “Neutral”.
– 38 –
KLV-26/32/40/46V300A
RM-GA008
3-4-4.
White balance adjustment when color
temperature is “Warm 1”
1. Set up SREG_COLOR_TEMP = 2 (warm 1)
2. Set SREG_TEST_G_LEVEL = 204 (80 IRE)
3. Adjust values of SREG_WB_R (B) 05_OFST to be the chroma
in the below table
4. Set SREG_TEST_G_LEVEL = 128 (50 IRE)
5. Adjust values of SREG_WB_R (B) 04_OFST to be the chroma
in the below table
6. Set SREG_TEST_G_LEVEL = 76 (30 IRE)
7. Adjust values of SREG_WB_R (B) 03_OFST to be the chroma
in the below table
8. Set SREG_TEST_G_LEVEL = 51 (20 IRE)
9. Adjust values of SREG_WB_R (B) 02_OFST to be the chroma
in the below table
10. Set values of SREG_WB_GAM_R (B) 01_OFST as follows
SREG_WB_R (B) 01_OFST
= SREG_WB_R (B) 02 OFST
+ [SREG_WB_R (B) 02 OFST-SREG_WB_R (B) 03_OFST]
11. Set values of SREG_WB_R06 ~ 07_OFST and WB_B06 ~
07_OFST as follows;
SREG_WB_R (B) 07_OFST
= SREG_WB_R (B) 05_OFST
+ [SREG_WB_R (B) 05_OFST-SREG_WB_R (B) 04_OFST]
SREG_WB_R (B) 06_OFST
= SREG_WB_R (B) 05_OFST
+ [SREG_WB_R (B) 05_OFST-SREG_WB_R (B) 04_OFST] /2
12. Send ECS command: COLOR_SAVE
Internal
signal
(IRE)
SREG
_Test_G
_LEVEL
SPEC
target
46"
40"
32"
26"
20
51
0.5->0.7->1JND
.0014->.00196->.0028
0.5->0.7->1JND
.0014->.00196->.0028
0.5->0.7JND
0.0014->0.00196
0.3->0.5JND
0.0008->0.0014
0.2898 0.2869
0.2890
<-
0.2991 0.2975
0.2943
0.1929 0.1914
0.1942
0.4479 0.4465
0.4449
0.2861 0.2880
0.2887
0.2929 0.2981
0.2917
0.1926 0.1920
0.1950
0.4436 0.4471
0.4432
0.2866 0.2885
0.2895
0.2939 0.2991
0.2996
0.1926 0.1919
0.1925
0.4443 0.4477
0.4482
0.2883 0.2895
0.2934
0.2974 0.2997
0.3018
0.1925 0.1924
0.1945
0.4467 0.4483
0.4501
0.2880
0.2911
0.1947
0.4428
0.2871
0.2903
0.1943
0.4421
0.2887
0.2976
0.1927
0.4469
0.2922
0.3003
0.1942
0.4490
30
76
50
128
80
204
x
y
u'
v'
x
y
u'
v'
x
y
u'
v'
x
y
u'
v'
The target of White balance adjustment when color temperature is “Warm1”.
3-4-5.
White balance adjustment when color
temperature is “Warm 2”
1. Set up SREG_COLOR_TEMP = 3 (Warm 2)
2. Set SREG_TEST_G_LEVEL = 204 (80 IRE)
3. Adjust values of SREG_WB_R (B) 05_OFST to be the chroma
in below table
4. Set SREG_TEST_G_LEVEL = 128 (50 IRE)
5. Adjust values of SREG_WB_R (B) 04_OFST to be the chroma
in below table
6. Set SREG_TEST_G_LEVEL = 76 (30 IRE)
7. Adjust values of SREG_WB_R (B) 03_OFST to be the chroma
in below table
8. Set SREG_TEST_G_LEVEL = 51 (20 IRE)
9. Adjust values of SREG_WB_R (B) 02_OFST to be the chroma
in below table.
10. Set values of SREG_WB_GAM_R (B) 01_OFST as follows;
SREG_WB_R (B) 01_OFST
= SREG_WB_R (B) 02_OFST
+ [SREG_WB_R (B) 02_OFST-SREG_WB_R (B) 03_OFST]
11. Set values of SREG_WB_R06 ~ 07_OFST and
WB_B06 ~ 07_OFST as follows
SREG_WB_R (B) 07_OFST
= SREG_WB_R (B) 05_OFST
+ [SREG_WB_R (B) 05_OFST-SREG_WB_R (B) 04_OFST]
SREG_WB_R (B) 06_OFST
= SREG_WB_R (B) 05_OFST
+ [SREG_WB_R (B) 05_OFST-SREG_WB_R (B) 04_OFST] /2
12. Send ECS command: COLOR_SAVE
3-5.
Panel Replacement
When replacing the panel please reset the gamma and white balance
before performing W/B for new panel.
3-6.
Board Replacement
3-6-1.
BG1 Board Replacement
When replacing the BG1 board please readjust the AD and readjust
the W/B.
Internal
signal
(IRE)
SREG
_Test_G
_LEVEL
SPEC
target
46"
40"
32"
26"
20
51
0.5->0.7->1JND
.0014->.00196->.0028
0.5->0.7->1JND
.0014->.00196->.0028
0.5->0.7JND
0.0014->0.00196
0.3->0.5JND
0.0008->0.0014
0.3231 0.3191
0.3133
0.3253 0.3261
0.3130
0.2065 0.2034
0.2045
0.4679 0.4677
0.4596
0.3327 0.3238
0.3157
0.3494 0.3245
0.3090
0.2039 0.2074
0.2078
0.4818 0.4675
0.4577
0.3222 0.3326
0.3261
0.3273 0.3403
0.3283
0.2051 0.2073
0.2075
0.4688 0.4772
0.4699
0.3264 0.3136
0.3185
0.3377 0.3255
0.3182
0.2040 0.1998
0.2061
0.4749 0.4666
0.4633
0.3119
0.3097
0.2048
0.4575
0.3135
0.3069
0.2071
0.4561
0.3248
0.3271
0.2070
0.4691
0.3166
0.3161
0.2056
0.4618
30
76
50
128
80
204
x
y
u'
v'
x
y
u'
v'
x
y
u'
v'
x
y
u'
v'
The target of White balance adjustment when color temperature is “Warm2”.
– 39 –
KLV-26/32/40/46V300A
RM-GA008
SECTION 4
DIAGRAMS
4-1.
BLOCK DIAGRAM
4-1-1.
BG1 (1/3) BLOCK DIAGRAM
Q7002
Q3001
Q7001
IC7000
22
12
13
2
27
26
SCL (TU)
SDA (TU)
AFT OUT
APC
DET OUT
AUDIO
BG1(1/3)
(TUNER)
B
(3/3)
BG1 BOARD
TO
(1/3)
BG1 BOARD
TO
A
APC
AGC_READ
AGC_MUTE
MSP_RST
AFT
SDA_5V_TUNER
SCL_5V_TUNER
TU7000
TV_CVBS
TV_R
TV_L
Q7015
AGC
Q7014
Q7005
Page of 106
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