Advertisement
9.3 C 2 4 0 0
TROUBLESHOOTING
CHART
No image on the TV monitor
Image on the TV monitor is not clear.
Noisy image
Distorted image
Shaded image
Are the pilot lamps of the CCU and TV monitor on?
Are the video Out of the CCU and the video In of the TV
monitor properly connected?
Are the CCU and the TV camera head properly connected?
Is the OFFSET potentiometer on the front panel turned fully
clockwise?
Is the GAIN potentiometer on the front panel turned fully
counterclockwise?
Is there an optical path between the object and the TV
camera head?
Is the green indicator LED on the front panel of the CCU
on?
Is the green indicator LED on the front panel of the CCU
on?
Are the CONTRAST and BRIGHTNESS on the TV monitor
adjusted correctly?
Is the object in focus?
Is the resolution of the optical path (microscopy) satis-
factory?
Is the optical aberration satisfactory?
Is the camera facaplate surface clean?
Is the green indicator LED on the front panel of the CCU
on?
Is the 75 CI termination of the TV monitor on?
Is the system properly grounded?
Are the optical path and the TV camera head connected
correctly? (Electrical connection is required.)
Are there sourses of electrical noise in the vicinity of the
system?
Are there any sources of magnetic field around the TV
camera head and the TV monitor?
Is the optical imaging system properly aligned?
Are the H. HOLD and V. HOLD of the TV monitor adjusted
correctly?
Are the potentiometers of the shading corrector adjusted
correctly?
Is the shading of the optical path satisfactory?
Advertisement
