Troubleshooting Table - Panasonic TU-HDS20 Operating Instructions Manual

T
ROUBLESHOOTING
Troubleshooting
Before requesting service for this unit, check the table below for a possible cause of the problem you are
experiencing. Some simple checks or a minor adjustment on your part may eliminate the problem and
restore proper operation.
If you are in doubt about some of the check points, or if the remedies indicated in the table do not solve the
problem, consult your dealer or call 1-888-726-2377 for assistance.
Symptom
No power
No reception
No digital cable
No picture
Available channels are missing
Picture is distorted
Cannot letterbox or zoom 16:9 video
on a 4:3 monitor
Zoom aspect cannot be selected
No sound
Wrong audio and Normal video
The remote control is not responding
The remote control is operational, but
the HDTV Digital Receiver is not
responding
The remote control is operational, but
other component(s) are not responding
96
Check that the AC power plug is securely plugged into the power outlet.
• Check that equipment is connected properly.
• Make sure that the Satellite Dish unit is properly mounted and installed.
• Check that antenna is properly installed and oriented.
• Check that the antenna or cable wire is connected properly.
• Make sure the proper mode (antenna or cable) is selected.
• Make sure your local cable provider is transmitting in 8VSB modulation
format.
• Make sure the proper cable mode is selected.
• Check that equipment is connected properly.
• Check if the channel is available.
• Rerun the Automatic Channel Programming to make sure all available
channels are captured and stored into memory.
• Rerun the Automatic Channel Programming to make sure all available
channels are captured and stored into memory.
• Make sure the proper display format is selected.
• Make sure the proper aspect ratio is selected.
• Make sure that proper Video output mode is selected via the Video out
button.
• Insure that the HDTV Digital Receiver is selected to output to a 4:3
monitor, and closed captioning is turned off.
• Make sure the Closed Caption feature is turned off.
• Make sure the remote control is in STB mode.
Check that equipment is connected properly.
Check audio is set to stereo, mono, not SAP (NTSC mode only).
• Check that the batteries are installed with the correct polarities (+ and -).
• The batteries are depleted: Replace them with new ones.
• Point the remote control unit at the remote control sensor and operate.
• Operate the remote control unit at a distance of not more than 23 feet (7
meters) from the remote control sensor.
• Remove any obstacles between the remote control unit and remote
control sensor.
• Check that the AC power plug is securely plugged into the power outlet.
• Make sure the HDTV Digital Receiver is on.
• Make sure the remote control is in STB mode.
• Check that the AC power plug is securely plugged into the power outlet.
• Make sure the component(s) are on.
• Reprogram the remote control to make sure it is programmed properly
to operate the component(s).
• Make sure the remote control is in the proper component mode (i.e. TV,
CBL, AUX, etc.).
Remedy