Kramer Electronics VS-5x4 Taking Care of Your Matrix Switcher, Troubleshooting, Video Signal

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15.TAKING CARE OF YOUR MATRIX SWITCHER

Do not locate your matrix in an environment where it is susceptible to dust or moisture. Both of these may damage the electronics, and cause erratic operation or failure. Do not locate your switcher where temperature and humidity may be excessive. Doing so may also damage the electronics, and cause erratic operation or failure of your switcher. Do not clean your switcher with abrasives or strong cleaners. Doing so may remove or damage the finish, or may allow moisture to build up. Take care not to allow dust or particles to build up inside unused or open connectors.

16.TROUBLESHOOTING

NOTES

1.Please note that if the output signal is disturbed or interrupted by very strong external electromagnetic interference, it should return and stabilize when such interference ends. If not, turn the power switch off and on again to reset the machine.

2.If the following recommended actions still do not result in satisfactory operation, please consult your KRAMER Dealer.

16.1Power and Indicators

Problem

Remedy

 

 

 

No power

1.

Confirm that the rocker switch is in the “ON” position, and that the lamp

 

 

is illuminated.

 

2.

Confirm that power connections are secured at the amplifier and at the

 

 

receptacle. Make sure the receptacle is active, outputting the proper

 

 

mains voltage.

 

3.

If there is still no power, check the fuse. Remove power cord from the

 

 

AC outlet and from the machine and then, using a flat head screwdriver,

 

 

remove the fuse holder located directly below the power connector.

 

 

Confirm that the fuse is good by looking at the wire connected to the

 

 

ends of the fuse. If the wire is broken, replace the fuse with another.

16.2 Video Signal

Problem

Remedy

 

 

 

No video at the output

1.

Confirm that your sources and output device are turned on and connected

device, regardless of

 

properly. Video signals connected to the input of your switcher should be

input selected.

 

of an identical signal format at the output of your source. Video signals

 

 

at the output of your switcher should be of an identical signal format as

 

 

at the input of your display or recorder.

 

2.

Confirm that any other switchers in the signal path have the proper input

 

 

and/or output selected.

 

3.

Use the Video Tester to test the video path leading to/from your switcher

 

 

(see section 4.1 " Video Tester")

 

 

 

Video level is too high

1.

Verify that the video line is well matched through 75ohm impedance,

or too dim.

 

otherwise it results in a video level that is too high or too dim when

 

 

looping is performed and the termination switches are not in proper

 

 

position.

 

2.

Confirm that the connecting cables are of high quality, properly built and

 

 

terminated with 75ohm BNC connectors. Check level controls located on

 

 

your source input device or output display or recorder.

￿

11

KRAMER Electronics, Ltd.

 

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Contents VS-5x4 Table Of Contents List of Figures DescriptionList of Tables Description Word on Video/Audio Switchers IntroductionFactors Affecting Quality of Results Specifications Unpacking and ContentsHOW do I GET STARTED? Optional Accessories Features of the VS-5x4Matrix Switcher Kramer VS-5X4 MatrixSolutions Provided with the VS-5X4 Applications of the VS-5X4Installation Connecting to Video DevicesRS-232 Control Audio Level ControlProtocols Used for RS-232 Communication UnitOUTPUT1 OUTPUT2 OUTPUT3 OUTPUT4 ALL From Input OFFPage Taking Care of Your Matrix Switcher TroubleshootingPower and Indicators Video SignalAudio Signal ProblemControl Limited Warranty HOW Long is the WarrantyWhat is Covered and What is not Covered HOW YOU can GET Warranty ServiceLimitation of Implied Warranties Exclusion of Damages2900-002076 REV