P A G E 1 3
206-3492-O
Troubleshooting: Macintosh
Symptoms
Possible Cause(s)
Possible Solution(s)
See page(s)
Computer Image
Poor or no computer picture. • Poor Connections.
-Check all cable connections.
• Card not fully inserted.
-Be sure green light appears on PCZ300 scan card.
• TV/Computer not turned on.
-Turn TV/Computer on.
• Wrong TV source selected.
-Select the TV source the computer is connected to.
• 800 x 600 @60 Hz not set.
-On the Computer, set display output to 800 x 600 @60 Hz.
• Cable over 25 feet.
-Set up Computer/TV where an excessively long cable is not needed.
Local interference.
• Check for disturbing source.
The following may cause image problems or distortion:
Electrical appliances, powerful lights, cars, trucks; computers or
portable phones; medical equipment
• Appliance too close to TV.
-If possible increase the distance between your TV and computer
or computer.
and the offending appliance. Or shut one of them off.
Fuzzy computer picture.
• 800 x 600 @60 Hz not set.
-On the computer, set display output to 800 x 600 @60 Hz.
Poor computer picture.
• Computer display output is
-See pages 10 or 11 for instructions to optimize computer’s image.
not optimized.
Daisy-Chain TVs have
• S-Video cables not
-Connect cables properly.
no picture.
connected between source TV
and daisy-chained TVs.
• S-Video not selected
-Select S-Video input as the source on daisy-chained TVs.
on other daisy-chain TVs.
• Rear Computer NTSC Out,
-Select “Rear Computer NTSC Out” on source TV in daisy-chain.
not selected for viewing on
source TV in daisy-chain series.
Some quick and easy tips to resolving problems using the TV as a Computer Monitor
