Sony HVL-F56AM Service Manual page 33

4) Click the calculate button to measure the image.
5) After measuring, check the "G" values.
Average "G" value of the three images shoot with master lens:
Average "G" value of the three images shoot with checking lens: (b)
4. Flat Flash Intensity Check
1) Check that the "G" value of the shooting image is within the specification.
Specification
G = 118 ±10
2) When the "G" value of the shooting image is out of specification, perform "5. Flat Flash Intensity Adjustment".
5. Flat Flash Intensity Adjustment
1) Remove the label, then turn the "VR1" as shown in Fig. 5-7-8 to adjust the flat flash intensity.
LED for flash-leady lamp
VR1
2) Repeat "2. Shooting" to "5. Flat Flash Intensity Adjustment" until the "G" value of the shooting image is within the specification.
HVL-F56AM
Calculate button
Fig.5-7-7
Fig. 5-7-8
(a)
Check the "G" value
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