Casio EX-Z30 Service Manual page 18

3. Measurement
a) Connect S2281-01 to the camera's LCD monitor (see below).
AC Waveforms appear on the monitor screen of the oscilloscope.
* Change the Rf range of C2719 in case the range does not match.
Photo diode
S2281-01
CAMERA
b) After AC waveforms of the oscilloscope appear, minimize it by pressing the camera's up/down buttons
(see the picture).
Make sure to visually check if it has been minimized.
After it has been minimized, press SET key.
The screen in the right figure appears and the new VCOM
is written (VCOM adjustment is finished.).
Return to the previous display by pressing MENU or PW key.
INPUT
Photo sensor amp
BNC-BNC cable
LCD
— 16 —
Oscilloscope
OUTPUT
Minimize the
ripple components
O K - > R e g i s t e r W r i t e
V C O M = 0 x c a
A D J D A T A S E T !
This value is only an example, and differs by products.
"Up" button
"Down" button