Pioneer SH-DT510 - Manual (Page 30)

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Appendix B: Troubleshooting
If you encounter any problems with the tuner, look through this section for a description
of your problem. Try solving the problem by following the given solutions. However,
if after attempting all the recommended actions you still cannot solve the problem,
please contact PIONEER SERVICE AND PARTS CENTER.
If the unit does not operate normally due to external effects, disconnect the power
plug from the outlet for 1 minute and insert again to return to normal operating
conditions.
Problem
(1) The tuner front panel power
indicator doesn't light up, and
no message on the front panel.
(2) Has message on the front
panel but no picture on your
TV screen.
(3) Poor picture quality.
(4) No audio service.
Solution
(a) Check the main lead and make sure the power
plug is well plugged into a stable power outlet.
(a) Press "MENU" button on the remote control
or front panel to call up On Screen Display.
(b) Make sure the connector type between set top
box and your TV set matches each other. For
instance, if you use RCA or Y/Pb/Pr
connector you may choose the same external
video input RCA or Y/Pb/ on the TV set.
(c) Check the brightness level of your TV screen
is high enough.
(a) Check the antenna and make sure it is aligned
to the correct direction.
Use tuner's "MANUAL SETUP" page to
check the Signal Level and when aligning the
antenna.
(b) If you use any kind of amplifier to boost the
signal level, check whether it works well, and
consult your antenna installer.
Some amplifiers are not good to digital
reception.
(c) Refer to solutions in item (2) above.
(a) Check the tuner and your TV's volume are
properly set and not in "MUTE" mode.
(b) Make sure the audio connectors are correctly
and firmly connected.
(c) Make sure the appropriate DIGITAL
OUTPUT (PCM or Dolby Digital) is selected.
(d) Scan this channel again by using "MANUAL
SETUP" and see if the audio service will
come back.
(e) Check with the local TV stations. Sometimes
they are just testing new services on their TV
or Radio channels.