Section 3 : Adjustment; Preparation; Adjust White Balance Of "Cool" Temperature; Adjust White Balance Of "Neutral" Temperature - Sony KLV-26U300A Service Manual

3-1. Preparation

1) Allow approximately 30 minutes for the set to warm up before proceeding with the white balance adjustment.
2) Connect 3 terminal of 480i signal cable (Y/Pb/Pr) from the signal source to monitor "Component 1"
3) Enter "SERVICE MODE". The method to enter "SERVICE MODE" is described in next section.
4) Press remote control "1" to turn on "Alignment On"
5) Change "WHITE BALANCE" from "OFF" to "ON "in SERVICE MENU.
6) Select "VIDEO3" from INPUT SOURCE in SERVICE MENU
7) Set "R", "G", "B", "GAIN" and "R", "G", "B", "Offset" value as same as "3-5. AVERAGE VALUE"

3-2. Adjust White Balance of "COOL" temperature;

1) Select "COOL" from COLOR TEMPERATURE in SERVICE MENU
2) Input 70IRE Full white pattern signal into "Component 1"
3) Adjust "RGB GAIN" in SERVICE MENU if needed
4) Input 30lRE Full white pattern signal into "Component 1"
5) Adjust "RGB OFFSET" in SERVICE MENU if needed
6) Repeat adjustment of 2) to 5) so that White Balance is as same level as good monitor

3-3. Adjust White Balance of "NEUTRAL" temperature;

1) Select "NEUTRAL" from COLOR TEMPERATURE in SERVICE MENU
2) Repeat adjustment as same step of 2) to 5) till White Balance is as same level as good monitor.

3-4. Adjust White Balance of "WARM" temperature;

1) Select "WARM" from COLOR TEMPERATURE in SERVICE MENU
2) Repeat adjustment as same step of 2) to 5) till White Balance is as same level as good monitor.
3) Change "WHITE BALANCE" from "ON" to "OFF" in SERVICE MENU.

3-5. Average Value of W/B

KLV-26U300A (Except WB model):
Red Green Blue
Gain Gain
Cool 232
Neutral 237
Warm 247
KLV-32U300A (Except WB model):
Red Green Blue
Gain Gain
Cool 227
Neutral 229
Warm 242
KLV-37U300A (Except WB model):
Red Green Blue
Gain Gain
Cool 231
Neutral 239
Warm 249

SECTION 3 : ADJUSTMENT

Red Green Blue
Gain Offset Offset
227 253 125 122
230 237 123 122
230 200 124 122
Red Green Blue
Gain Offset Offset
230 249 126 125
230 232 125 125
230 204 124 125
Red Green Blue
Gain Offset Offset
230 247 126 122
230 230 125 122
230 195 123 122
KLV-26U300A (WB model):
Red
Offset Gain Gain
126 Cool 228
125 Neutral 240
125 Warm 250
KLV-32U300A (WB model):
Red
Offset Gain Gain
125 Cool 234
125 Neutral 247
123 Warm 247
KLV-37U300A (WB model):
Red
Offset Gain Gain
122 Cool 247
122 Neutral 249
123 Warm 253
18
Green Blue Red Green Blue
Gain Offset Offset
217 246 124 125
230 240 125 125
230 203 125 125
Green Blue Red Green Blue
Gain Offset Offset
223 255 125 125
230 247 124 125
230 203 125 125
Green Blue Red Green Blue
Gain Offset Offset
222 249 124 125
230 235 125 124
227 197 125 124
KLV-26/32/37U300A
Offset
124
124
124
Offset
124
123
125
Offset
121
122
123