Sony RM-PJAW10 / VPL-BW7 Service Manual ▷ View online
2-5
VPL-BW7
2-6. White
Balance
Adjustment
Preparation before adjustment
Input the 100 % fl at fi eld signal to the INPUT A connector and allow the warm-up of 10 minutes aging at
a minimum.
Input the 100 % fl at fi eld signal to the INPUT A connector and allow the warm-up of 10 minutes aging at
a minimum.
2-6-1. HIGH Mode of PC
1. Input the 80 % fl at fi eld computer signal to the INPUT A connector.
2. Set the picture quality mode to STANDARD, and set color temperature to HIGH.
3. The target chromaticity (x, y) is (0.282, 0.299).
4. Enter the service mode and change to White Balance 1 page.
5. Adjust the PC Hi Gain-R and PC Hi Gain-B until the target chromaticity (x, y) as shown is obtained.
6. Repeat steps 2 to 5 until the chromaticity (x
2. Set the picture quality mode to STANDARD, and set color temperature to HIGH.
3. The target chromaticity (x, y) is (0.282, 0.299).
4. Enter the service mode and change to White Balance 1 page.
5. Adjust the PC Hi Gain-R and PC Hi Gain-B until the target chromaticity (x, y) as shown is obtained.
6. Repeat steps 2 to 5 until the chromaticity (x
?0.002, y ?0.002) with reference to the target chromatic-
ity (x, y) is obtained.
2-6-2. MIDDLE Mode of PC
1. Input the 80 % fl at fi eld computer signal to the INPUT A connector.
2. Set the picture quality mode to STANDARD, and set color temperature to MIDDLE.
3. The target chromaticity (x, y) is (0.390, 0.321).
4. Enter the service mode and change to White Balance 3 page.
5. Adjust the PC Mid Gain-R and PC Mid Gain-B until the target chromaticity (x, y) is obtained.
6. Repeat steps 2 to 5 until the chromaticity (x
2. Set the picture quality mode to STANDARD, and set color temperature to MIDDLE.
3. The target chromaticity (x, y) is (0.390, 0.321).
4. Enter the service mode and change to White Balance 3 page.
5. Adjust the PC Mid Gain-R and PC Mid Gain-B until the target chromaticity (x, y) is obtained.
6. Repeat steps 2 to 5 until the chromaticity (x
?0.002, y ?0.002) with reference to the target chromatic-
ity (x, y) is obtained.
White Balance 1
PC Hi Gain-R
PC Hi Gain-G
PC Hi Gain-B
PC Hi Bias-R
PC Hi Bias-G
PC Hi Bias-B
PC Lo Gain-R
PC Lo Gain-G
PC Lo Gain-B
PC Lo Bias-R
PC Lo Bias-G
PC Lo Bias-B
433
410
494
- 5
0
- 6
478
430
452
5
0
- 6
<<
>>
White Balance 3
PC Mid Gain-R
PC Mid Gain-G
PC Mid Gain-B
PC Mid Bias-R
PC Mid Bias-G
PC Mid Bias-B
Video Mid Gain-R
Video Mid Gain-G
Video Mid Gain-B
Video Mid Bias-R
Video Mid Bias-G
Video Mid Bias-B
451
445
486
0
0
0
466
445
508
35
0
44
<<
>>
2-6
VPL-BW7
2-6-3. LOW Mode of PC
1. Input the 80 % fl at fi eld computer signal to the INPUT A connector.
2. Set the picture quality mode to STANDARD, and set color temperature to LOW.
3. The target chromaticity (x, y) is (0.312, 0.334).
4. Enter the service mode and change to White Balance 1 page.
5. Adjust the PC Lo Gain-R and PC Lo Gain-B until the target chromaticity (x, y) is obtained.
6. Repeat steps 2 to 5 until the chromaticity (x
2. Set the picture quality mode to STANDARD, and set color temperature to LOW.
3. The target chromaticity (x, y) is (0.312, 0.334).
4. Enter the service mode and change to White Balance 1 page.
5. Adjust the PC Lo Gain-R and PC Lo Gain-B until the target chromaticity (x, y) is obtained.
6. Repeat steps 2 to 5 until the chromaticity (x
?0.002, y ?0.002) with reference to the target chromatic-
ity (x, y) is obtained.
2-6-4. HIGH Mode of VIDEO
1. Input the 80 % fl at fi eld 480/60i or 575/50i signal to the INPUT A connector.
2. Set the picture quality mode to STANDARD, and set color temperature to HIGH.
3. The target chromaticity (x, y) is (0.282, 0.299).
4. Enter the service mode and change to White Balance 2 page.
5. Adjust the PC Hi Gain-R and PC Hi Gain-B until the target chromaticity (x, y) is obtained.
6. Repeat steps 2 to 5 until the chromaticity (x
2. Set the picture quality mode to STANDARD, and set color temperature to HIGH.
3. The target chromaticity (x, y) is (0.282, 0.299).
4. Enter the service mode and change to White Balance 2 page.
5. Adjust the PC Hi Gain-R and PC Hi Gain-B until the target chromaticity (x, y) is obtained.
6. Repeat steps 2 to 5 until the chromaticity (x
?0.002, y ?0.002) with reference to the target chromatic-
ity (x, y) is obtained.
White Balance 1
PC Hi Gain-R
PC Hi Gain-G
PC Hi Gain-B
PC Hi Bias-R
PC Hi Bias-G
PC Hi Bias-B
PC Lo Gain-R
PC Lo Gain-G
PC Lo Gain-B
PC Lo Bias-R
PC Lo Bias-G
PC Lo Bias-B
433
410
494
- 5
0
- 6
478
430
452
5
0
- 6
<<
>>
White Balance 2
Video Hi Gain-R
Video Hi Gain-G
Video Hi Gain-B
Video Hi Bias-R
Video Hi Bias-G
Video Hi Bias-G
Video Lo Gain-R
Video Lo Gain-G
Video Lo Gain-B
Video Lo Bias-R
Video Lo Bias-G
Video Lo Bias-B
442
410
512
19
0
38
503
430
475
35
0
26
<<
>>
2-7
VPL-BW7
2-6-5. MIDDLE Mode of VIDEO
1. Input the 80 % fl at fi eld 480/60i or 575/50i signal to the INPUT A connector.
2. Set the picture quality mode to STANDARD, and set color temperature to MIDDLE.
3. The target chromaticity (x, y) is (0.390, 0.321).
4. Enter the service mode and change to White Balance 3 page.
5. Adjust the PC Mid Gain-R and PC Mid Gain-B until the target chromaticity (x, y) is obtained.
6. Repeat steps 2 to 5 until the chromaticity (x
2. Set the picture quality mode to STANDARD, and set color temperature to MIDDLE.
3. The target chromaticity (x, y) is (0.390, 0.321).
4. Enter the service mode and change to White Balance 3 page.
5. Adjust the PC Mid Gain-R and PC Mid Gain-B until the target chromaticity (x, y) is obtained.
6. Repeat steps 2 to 5 until the chromaticity (x
?0.002, y ?0.002) with reference to the target chromatic-
ity (x, y) is obtained.
2-6-6. LOW Mode of VIDEO
1. Input the 80 % fl at fi eld 480/60i or 575/50i signal to the INPUT A connector.
2. Set the picture quality mode to STANDARD, and set color temperature to LOW.
3. The target chromaticity (x, y) is (0.312, 0.224).
4. Enter the service mode and change to White Balance 2 page.
5. Adjust the PC Lo Gain-R and PC Lo Gain-B until the target chromaticity (x, y) is obtained.
6. Repeat steps 2 to 5 until the chromaticity (x
2. Set the picture quality mode to STANDARD, and set color temperature to LOW.
3. The target chromaticity (x, y) is (0.312, 0.224).
4. Enter the service mode and change to White Balance 2 page.
5. Adjust the PC Lo Gain-R and PC Lo Gain-B until the target chromaticity (x, y) is obtained.
6. Repeat steps 2 to 5 until the chromaticity (x
?0.002, y ?0.002) with reference to the target chromatic-
ity (x, y) is obtained.
White Balance 3
PC Mid Gain-R
PC Mid Gain-G
PC Mid Gain-B
PC Mid Bias-R
PC Mid Bias-G
PC Mid Bias-B
Video Mid Gain-R
Video Mid Gain-G
Video Mid Gain-B
Video Mid Bias-R
Video Mid Bias-G
Video Mid Bias-B
451
445
486
0
0
0
466
445
508
35
0
44
<<
>>
White Balance 2
Video Hi Gain-R
Video Hi Gain-G
Video Hi Gain-B
Video Hi Bias-R
Video Hi Bias-G
Video Hi Bias-G
Video Lo Gain-R
Video Lo Gain-G
Video Lo Gain-B
Video Lo Bias-R
Video Lo Bias-G
Video Lo Bias-B
442
410
512
19
0
38
503
430
475
35
0
26
<<
>>
2-8
VPL-BW7
2-7. Others
2-7-1. Status Information
The error status count is displayed.
2-7-2. ADC Calibration Value
. RGB Offset: Offset value of computer signal
. RGB Gain: Gain adjustment of computer signal
. YUV Offset: Offset value of video signal
. YUV Gain: Gain adjustment of video signal
. RGB Gain: Gain adjustment of computer signal
. YUV Offset: Offset value of video signal
. YUV Gain: Gain adjustment of video signal
Lamp error
Fan 1 error
Fan 2 error
Fan 3 error
Fan 4 error
Sensor 1 open error
Sensor 2 open error
Sensor 1 short error
Sensor 2 short error
Temperature 1 error
Temperature 2 error
Fan IC I2C error
LampCovOpen in normal
FilterCovOpen in normal
Power error in normal
3540 Init error
System Crash
Reset error count
Fan 1 error
Fan 2 error
Fan 3 error
Fan 4 error
Sensor 1 open error
Sensor 2 open error
Sensor 1 short error
Sensor 2 short error
Temperature 1 error
Temperature 2 error
Fan IC I2C error
LampCovOpen in normal
FilterCovOpen in normal
Power error in normal
3540 Init error
System Crash
Reset error count
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
< or >
<<
>>
Error Count
Lamp can’t be
Light on
Fan operation
Abnormal
Thermal Sensor
Abnormal
Temperature
Abnormal
Fan Controller
Abnormal
Power level
Abnormal
Power Off
Abnormal
Door switch open
RGB Calibrate
YUV Calibrate
RGB Offset
RGB Gain
YUV Offset
YUV Gain
R Offset
G Offset
B Offset
R Gain
G Gain
B Gain
< or >
< or >
100 124 121
69 61 65
164 222 164
93 105 93
<<
>>
ADC calibration
100
124
121
69
61
65
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