JAA79051-R.3624.A
- L39 ･ AF-S DX18-70/3.5-4.5G -
INSPECTION OF LENS SERVO TIME.
SERVO AMOUNT.
STANDARD.
１．
［ Df1 ］
93ms OR LESS.
２．
［ Df2 ］
120ms OR LESS.
３．
［ Df3 ］
146ms OR LESS.
４．
［ Df4 ］
186ms OR LESS.
５．
［ Df5 ］
219ms OR LESS.
６．
［ Df6 ］
253ms OR LESS.
７．DRIVING TO INFINITY.
８．DRIVING TO CLOSE.
９．RETURNING TO FOCAL DISTANCE SET-UP MENU.
（４）
Screen of "INSPECTION OF LENS SERVO TIME"
Connect the probes of oscilloscope to E and H terminals of the AF-I communication box (J15306-1). Select each
servo driving amount. The lens servo drive time should be within the standard respectively.
Note
：
If the MF ring is rotated during inspection, the waveform becomes abnormal value. Therefore, do NOT touch the
MF ring during inspection. Make the inspection by maintaining the below 5 positions.
Lens inclination
Position of index window
Horizontal
Up, right and left
Front lens group 90° upward
Front lens group 90° downward
(Lens positions at inspection)
●Setting of oscilloscope
V/Div
：５Ｖ
Coupling
：ＤＣ
Time/Div
：２０
m Sec
Trigger Mode
：ＳＧＬ（Ｓ）
Trigger Coupling
：ＤＣ
Trigger Source
：ＣＨ１
※
The waveforms of E and H terminals include a
start of going up and a start of going down.
down for
E terminal
H terminal
E terminal
H terminal
Servo driving time
Servo driving time
INC
