KLV-40S310A - Sony TV Service Manual (repair manual). Page 27

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KLV-40/S, 40S310A
RM-GA008
3-7-4.
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
S40"
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
0.2880
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”.
3-7-5.
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
3-8.
Panel Replacement
When replacing the panel please reset the gamma and white balance
before performing W/B for new panel.
3-9.
Board Replacement
3-9-1.
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
S40"
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
0.3119
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”.
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