2-1. Electrical Adjustment Using a Camcorder
2-1-10. Focus Adjustment2-1-11. Heater Voltage Adjustment
Note:Note:
. This adjustment, O2-1-11. Heater Voltage Adjustment�. This adjustment, O2-1-10. Focus Adjustment� and O2-1-
and O2-1-12. Picture Frame Adjustment� affect each12. Picture Frame Adjustment� affect each other.
other. Therefore, repeat these three adjustments untilTherefore, repeat these three adjustments until these
these specifications are satisfied.specifications are satisfied.
Equipment : Waveform monitorEquipment : Digital voltmeter
Object: Resolution chart
Preparations:
Preparations:BRIGHT control ? mechanical center
Shoot the resolution chart so that the chart frame is alignedCONTRAST control? mechanical center
with the underscanned monitor frame.PEAKING control? mechanical center
Adjust the iris of the lens so that the output level at TEST
OUT connector /camcorder satisfies the level A.Iris of the lens: Close
A = 70 ?2 IRE (for NTSC)
A = 490 ?14 mV (for PAL)Test points: CP4/VF-60
CP5/VF-60
Adjustment point:1RV8 (HEATER)/VF-60
Specifications: 635 ?15 mV dc
(Viewfinder Screen)
BRIGHT control ? mechanical center
CONTRAST control? mechanical center
Adjustment point:1RV2 (ANODE SET)/VF-60
Specifications : Turn 1RV2 fully counterclock-
wise, and slowly turn it clockwise
to adjust the best focus position.
Equipment: Digital voltmeter
Preparations:
BRIGHT control ? Fully counterclockwise
CP4
CONTRAST control? Fully counterclockwiseE1L2
RV5RV9RV8RV11
PEAKING control? Fully counterclockwise
RV3
CP5
RV4CN2TP2
Test points: TP2/VF-60 (B SIDE)
(B SIDE)
GND : E1/VF-60
Adjustment point:1RV11 (OP AMP-ADJ)/VF-60
CN5
Specifications: 6.0 ?0.2 V dc
RV1
RV12
RV7 RV10 RV6CP2
Note:CN1
RV2
After adjustments are completed, confirm that the focus
CP3CN4CP1
operation can be performed irrespective of its BRIGHT
and CONTRAST controls setting.VF-60 BOARD (A SIDE)
2-4 (E)BVF-V10/V10CE |
ACEC
SONY
