Panasonic sa-ht833v User Manual

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46
RQT7921
Troubleshooting guide
Picture incorrect
Disc picture incorrect
VHS picture incorrect
Progressive video
Sound incorrect
Listening to the radio
Recording
Picture distorted.
≥Ensure that the unit is connected directly to the television, and is not connected through an A/
V selector or other equipment.
7
The television may display 
incorrectly or colors appear 
faded.
≥The unit and television are using different video systems. Use a multi-system or NTSC 
television.
≥The system used on the disc doesn’t match your television. PAL discs cannot be played. This 
unit converts DVD-Audio recorded in PAL to NTSC for play, however, play may not function 
properly.
The picture on the television 
disappears or stripes appear on 
the screen.
≥Mobile telephone chargers can cause some disturbance.
≥If you are using a TV indoor antenna, change to an outdoor antenna. 
≥The television antenna wire is too close to the unit. Separate the antenna wire of the 
television from the unit. 


Picture size doesn’t fit the screen.
≥Change “TV Aspect” in “Video” tab. 
≥Change the Zoom setting.
2619
Menus not displayed correctly.
≥Restore the zoom ratio to a1.00.
≥Set “Subtitle Position” in Display Menu to “0”.
1925
Auto zoom function does not 
work well.
≥Turn off TV’s zoom function.
≥Use the other preset aspect ratios or manual adjustment.
≥Zoom function may not work well, especially in dark scenes and may not work depending on 
the type of disc.
19
The picture is noisy or is in black 
and white.
Horizontal bars or lines run down 
the screen.
≥Adjust the tracking.
≥Make sure the television’s input setting is correct.
≥The video heads are dirty: clean them with a head-cleaning cassette.
≥The video heads are worn: consult your dealer.
≥The tape is old or damaged.
≥You cannot correctly play tapes recorded with other systems (e.g., PAL).
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Picture is distorted when stilled 
or during slow-motion. 
≥Some distortion is normal with tapes recorded using VP mode.
The blue back appears during 
play.
≥You are playing a blank or poor quality part of the tape. 
≥You can damage the unit if you play dirty or damaged tapes and this can cause the blue back 
to appear. Consult your dealer.

The picture jiggles.
≥Adjust the vertical hold.
29
There is ghosting when 
progressive output is on.
≥This problem is caused by the editing method or material used on DVD-Video, but should be 
corrected if you use interlace output. Change “Video Output Mode” in Picture Menu to “480i”.
25
Pictures not in progressive 
output.
≥If the unit is connected to the television through VIDEO OUT or S-VIDEO OUT output will be 
interlace.
≥Press [SHIFT]i[PROGRESSIVE]. Or select “480p” in “Video Output Mode” in Picture Menu.
17, 25
Closed captions not displayed.
≥When progressive output is on, closed captions will not be displayed.
Sound distorted.
≥Noise may occur when playing WMA files.
Effects do not work.
≥Some audio effects do not work or have less effect with some discs.
≥Multi Re-master and Dolby Pro Logic II do not work if you have changed the play speed.
≥When connected with headphones, only Sound Field Control is effective.


Humming heard during play.
≥An AC power supply cord or fluorescent light is near the subwoofer. Keep other appliances 
and cords away from the subwoofer.
There is noise when playing a 
video tape.
≥Adjust the tracking.
≥The tape is old or damaged.
29
Noise is heard.
“ST” flickers or doesn’t light.
Sound is distorted.
≥Adjust the position of the FM or AM antenna. 
≥Use an outdoor antenna.
10
A beat sound is heard.
≥Turn the television off or separate it from the unit.
A low hum is heard during AM 
broadcasts.
≥Separate the antenna from other cables.
” flashes when I try to start 
recording. 
Cannot record.
≥If the erasure prevention tab has been removed, cover the hole with adhesive tape. 
3
Timer recording doesn’t record a 
program correctly.
≥Check the clock and calendar.
≥Set the channel and start and end times correctly.
≥Be sure to press [
] after programming to put the unit in timer recording standby.
≥Program times may be overlapped.

32
Cannot record from other 
equipment.
≥Press [W CH] or [X CH] to select “AV”.
≥Check the connections to the other equipment. 
3131
Black bands appear in the 
recording.
≥Move the other equipment away from the television as it may be picking up interference. 
The copy of a videotape or DVD is 
very poor. 
≥This unit complies with industry standards regarding the recording and duplication of copy-
protected material. This includes commercial videotapes and DVDs. Consequently, copying 
not only infringes copyright laws but also presents serious technical difficulties. Even in cases 
where a copy can be made, the quality will be very poor.
RQT7921-P_ENG.book  46 ページ  2005年5月25日 水曜日 午後3時24分