Samsung SDC-415 Series Service Manual page 44

5-4 VIDEO Iris do not operate
VIDEO Iris do not operate
Refer to Waveform-3
Does it use VIDEO drive Lens?
YES
Check the lens select "VIDEO" on the
camera
YES
Check the connector of VIDEO lens
YES
Is the waveform appeared at CN1 #1,3,4
(BACK PCB)
YES
Check the VIDEO signal appear at the
R332?
YES
VIDEO IRIS check end
CHECK FLOW
1 ) L e n s s w i t c h c h e c k
2 ) C o n n e c t o r c h e c k
3 ) I r i s c o n t r o l s i g n a l C h e c k
NO
Connect VIDEO drive Lens to the camera
Set the DC/VIDEO switch to "DC" select
NO
VIDEO on the SET UP MENU
Change the VIDEO Iris lens Plug-Jack
NO
connection states.
NO
Check on the BACK PCB
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