Samsung HT-AS730S User Manual page 62

Symptom
There is no sound from
surround back speakers
Can't select EX/ES mode.
Can't select Dolby Pro Logic
llx mode.
Can't select NEO:6 mode.
There is no sound when
playing a DTS encoded DVD.
Product protection function
Heat protection
• The protection function will come on if the main unit or power transformer overheats.
" " will appear in the display .
This function will come on :
- If speaker terminal is shorted
- If speaker cable is shorted
If there is no problem when you turn the unit on again after turning it off, PROTECTION mark will disappear on the
display and the unit will work properly.
M
`
If PROTECTION appears on the display, check whether the speaker terminal is shorted and
then turn on the unit

Check
• Are the surround back speakers
connected properly?
• Is the S.BACK(Surround Back) selected
to NONE in Speaker Setup?
• Is Surround Mode set to EX/ES?
• Is S.BACK(Surround Back) selected to
NONE in Speaker Setup?
• Is the input signal selected properly?
• Is the input signal selected properly?
• Is the input signal selected properly?
• Is Digital input selected?
Remedy
• Refer to pages 16 ~18 to connect it
properly.
• Refer to page 35 to select LARGE or
SMALL.
• Refer to page 42 to set Surround Mode
to EX/ES.
• Refer to page 35 to select LARGE or
SMALL.
• Use 7.1 channel external component.
• Select 2 channel Dolby Digital, PCM,
and Analog input signal.
• Use PCM and Analog input signal.
• Check whether the DVD player is
properly connected and refer to page
48 to select the digital input.