Bosch EX36 Instruction Manual download pdf (Page 19)

Corner-mount No-grip Camera Technical Information | en 19

Bosch Security Systems, Inc. Instruction Manual F.01U.172.707 | 3.0 | 2011.02

4 Technical Information

4.1 Troubleshooting - Camera

PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION

No video Power supply:

connections

Check input power connections

at the terminal:

– AC input wires to “AC IN”

– DC input wires to “DC IN”

– Loose wires

No video Power supply:

voltage range

The supply range is: 12-28 VAC

or 10.5 - 40 VDC for the camera

section.

Measure the voltage at the

terminal block.

No video Video connections Determine if wiring polarity at

“Video Connector” terminal

block is correct (V and GND).

If still no video, connect the

camera directly to the monitor.

Check the video signal. If okay,

the problem is with the

interconnections. If still no

video, contact your Bosch

Service Center. See

Section 1.2 Bosch Contact

Information for contact

information.

Poor picture quality -

snowy image

Poor video signal Ensure that the video cable is

correctly matched and

terminated with 75 ohms at

each end. Ensure that the video

cables are similar types.

Noisy power supply Check connections.

Relocate or replace power

supply.

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Bosch EX36 Instruction Manual Page 19