9. Internal adjustments on BX
For
The potentiometers are found on the PK8206A board in
For
The adjustments are for the following functions:
Black level. Factory setting is 20 mVpp ±5 mV
Video 1 AGC level. Factory setting is 700 mVpp ±30 mV. White clip level. Factory setting is 800mVpp ±20 mV
Video 1 and Video 2 gain. Factory setting to same video level on both outputs. VSUB on the CCD sensor. Do not touch this adjustment.
9.1. Potentiometer locations on PK8206A
VR6: Video 2 Black Level
VR2: Video 1 Gain Level
VR5: Video 1 White Clip Level
VR1: CCD Vsub adjust. Do not touch.
VR3: Video 1 | AGC Level | JP13 | JP12 |
VR7: Video 1 | Black Level |
| |
VR4: Video 2 White Clip Level |
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VR8: Video 2 | Gain Level |
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