2-2. Electrical Adjustment Using a VF Checker
2-2-10. Focus Adjustment2-2-11. Heater Voltage Adjustment
Note:Note:
. This adjustment, O2-2-11. Heater Voltage Adjustment�. This adjustment, O2-2-10. Focus Adjustment� and O2-2-
and O2-2-12. 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
Input the monoscope signal to the VBS connector on theCONTRAST control? mechanical center
VF checker.PEAKING control? mechanical center
Setting of the signal generator (TG21A1001)
LUMINANCE ? OFF
CHROMINANCE ? OFF
(Or input the black burst signal using another signal
generator.)
(Viewfinder Screen)
Test points: CP4/VF-60
BRIGHT control ? mechanical centerCP5/VF-60
CONTRAST control? mechanical centerAdjustment point:1RV8 (HEATER)/VF-60
Specifications: 635 ?15 mV dc
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
CONTRAST control? Fully counterclockwise
PEAKING control? Fully counterclockwise
Test points: TP2/VF-60 (B SIDE)
CP4
L2
GND : E1/VF-60RV9RV8E1
RV5RV11
Adjustment point:1RV11 (OP AMP-ADJ)/VF-60
RV3
Specifications: 6.0 ?0.2 V dcCP5
RV4CN2TP2
(B SIDE)
Note:
After adjustments are completed, confirm that the focus
CN5
operation can be performed irrespective of its BRIGHT
and CONTRAST controls setting.RV1
RV12
RV7 RV10 RV6CP2
CN1
RV2
CP3CN4CP1
VF-60 BOARD (A SIDE)
2-10 (E)BVF-10/10CE |
ACEC
SONY
