Trouble Shooting; Pan & Tilt; Lens Control; Ldcc - JVC DPT 115 Operation Manual

7. TROUBLE SHOOTING

7.1 PAN & TILT
Problem: No pan/tilt or lens functions.
Verify proper power is supplied to head.
Verify data is being sent to head.
7.2

LENS CONTROL

Problem: No zoom or focus.
Verify lens control cable is plugged in pan and tilt head.
Verify lens control cable is plugged into correct Hirose cable on lens. Verify the gender of the
connectors. It is possible to mix these up.
Problem: Zoom position returns to previous position when the zoom seesaw is released.
Check set-up switch settings, switch 7 should be down for teleconferencing lens.
7.3

LDCC

Problem: No RCU functions.
Verify the camera is in the "REMOTE" mode. See the camera's operation manual.
Verify RCU adapter cable is attached to rear panel of controller and RM-LP55.
Verify LDCC cable (P/N: ACA96052200) is attached to "REMOTE" connector on the rear panel of the
camera. Inspect the rubber boot on the six-pin mini-DIN connector; insure that boot did not slide down
barrel of connector preventing a good connection. Verify cable end with 9 pin Dsub is connected to
RS232 connector on base of pan and tilt.
Verify "AUX2" switch is depressed.
Verify configuration of 4 conductor RS-422 interface cable to pan and tilt head. See cable drawing
section.
Verify set-up switches 3 and 4 are in the down (ON) position.
There are several set up items on the controller which will also provide these symptoms. These are listed
in the controller operation manual.
2/12/05
31
Document D0153