Read Panasonic WV-BP140 Service Manual online
– 5 –
8
Adjust VR2 so that the Video signal level becomes
700 mV ± 30 mV as shown in Fig. 5-5.
700 mV ± 30 mV as shown in Fig. 5-5.
(6) ALC Level Adjustment
Test Point:
CN4 (Video Output Connector)Video Board
Adjust:
VR2 (ALC LEVEL)
Video Board
8
Mount the ALC Lens (WV-LA9C3) on the Camera.
8
Set the Automatic Light Control/Electronic Light Control
Selector (on the Video Board SW1) to ALC position.
Selector (on the Video Board SW1) to ALC position.
8
Aim the Camera at the Logarithmic Gray Scale Chart .
8
Connect the Oscilloscope to CN4.
Fig. 5-5
700 mV
±
30 mV
8
Confirm that the ALC Function activates smoothly when
putting on and taking off the Lens Cap.
putting on and taking off the Lens Cap.
Fig. 5-6
(7) Flange-back Adjustment
Test Point:
CN4 (Video Output Connector)Video Board
Adjust:
Flange-back Adjusting Ring
8
Set the Radiation Chart.
8
Incident light of 500 lx on the Radiation Chart.
8
Aim the Camera at the Radiation Chart distance of 10m.
8
Mount ND8 Filter(1 pc.) and ND2 Filter(1 pc.) on the
Lens.
Lens.
8
Referring to Fig. 5-6, loosen the Focus Fixing screw
(LOCK) that secure the Flange-back Adjusting Ring.
(LOCK) that secure the Flange-back Adjusting Ring.
Flange-back
Adjusting Ring
Adjusting Ring
Focus Fixing
Screw (LOCK)
Screw (LOCK)
LOCK
8
Adjust the Flange-back Adjusting Ring to obtain best focal
point.
point.
8
Tighten the Focus fixing screw (LOCK) that secure the
Flange-back Adjusting Ring carefully.
Flange-back Adjusting Ring carefully.
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