RCA HDTV - Manual (Page 69)

Other Information
Chapter 5 67
No sound, picture okay
• Maybe the sound is muted. Try pressing the volume up button to restore sound.
• Maybe the speakers are turned off in the Audio Connections menu. Check the FIXED/VARIABLE
OUT control panel in the Audio Connections menu.
• If using an S-Video connection, device video and composite video, remember to also connect the
device’s L and R AUDIO OUT jacks to the TV’s L and R INPUT jacks.
• Check the Maximum and Initial Volume settings in the Special Features menu.
Channel search fi nds few channels
• The cable connected to the CABLE and/or ANTENNA INPUT jack might be loose.
• Your off-air antenna might be getting a weak signal. Move it higher or get a bigger antenna.
• If you have cables connected to the CABLE and ANTENNA jacks, try swapping the cables.
Cable needs to be connected to the CABLE INPUT; off-air antenna needs to be connected to the
ANTENNA INPUT.
• If you have a cable box, you can’t connect it to the ANTENNA jack. Connect it to the CABLE
INPUT or a Video Input jack.
• Select all the options in the Channel Search menu, and retry channel search.
Can’t select certain channel
• May be blocked or not approved in the Parental Controls menu.
• If using a VCR, check to make sure the TV/VCR button on the VCR is in the correct mode (press
the TV/VCR or INPUT button on your VCR).
• You usually can’t change channels when a menu is on the screen (press the CLEAR button).
• You might need to reset your digital cable card if you have one installed. Go to page 58 for more
instructions.
Noisy stereo reception
• May be a weak station. Use Audio menu to choose Mono sound.
No picture, no sound but TV is on
• Maybe the cable/antenna option wasn’t chosen in the Channel Search menu. Select Detect
antenna or cable setting in the Channel Search menu and run the search again.
• The channel might be blank — change channels.
• If you’re watching your VCR and it’s connected with coaxial cable to the CABLE/ANTENNA jack,
tune the TV to channel 3 or 4 (whichever channel is selected on the 3/4 switch on the back of
your VCR). Also check to make sure the TV/VCR button on the VCR is in the correct mode (press
the TV/VCR button on your VCR).
• If a channel doesn’t exist and you tune to scrambled QAM channel, Unusable Signal appears.
Sound okay, picture poor
• Check antenna and video connections. Make sure all of the cables are fi rmly connected to the
jacks and they’re not damaged.
• Try adjusting sharpness function to improve weak signals. Go to page 50 for more instructions.
• Press the FORMAT button repeatedly to view the picture in different video formats. Analog
channels may look better when you use the Normal video format (the video format appears on
the right side of the channel banner).
Black box appears on the screen
• Closed-captioning might be on. Check the Caption Display control panel in the Preferences menu.
Go to page 59 for more instructions.