SERVICE MANUAL
40 11NOV05 – SM7648-1
CCD - “Auto White Balance (AWB)”
Adjustment Specification
Important
Do not use the CAMERA DOCK in this procedure.
Prerequisites:
None
To Check:
You cannot check this adjustment.
Purpose: To measure and store the values for the color balance of red, green and blue for the CCD.
Do When: • The color of the images is not correct.
• After installing a new:
– CP1 BOARD - MCU
– MONITOR LCD AY
– LENS AY
Specification: The test results must comply with the specification values.
•“AGC”
– a1<1023
– a2<1023
– a3<1023
– a4<1023
– a5<1023
•“CHECK”
– wc0=128+/-2
– wc1=128+/-2
– wc2=130+/-40
•“MS”
– 2400<ms1<3500
– 2600<ms2<3800
•“MS_M”
– 2400<ms3<3600
– 2600<ms4<3700
Special Tools: • SERVICE SOFTWARE
• Computer
• USB CABLE
• 5 V AC ADAPTER
• PATTERN BOX
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