APPENDIX
89
TThhee aauuddiioo ffuunnccttiioonn ddooeess nnoott wwoorrkk..
TThheerree iiss aa pprroobblleemm iinn PPCC mmooddee.. ((OOnnllyy PPCC mmooddee aapppplliieedd))
■
Press the VOL
D
or
E
button.
■
Sound muted? Press MUTE button.
■
Try another channel. The problem may be with the broadcast.
■
Are the audio cables installed properly?
■
Adjust Balance in menu option.
■
A change in ambient humidity or temperature may result in an unusual noise
when the product is turned on or off and does not indicate a fault with the
product.
Picture OK & No sound
Unusual sound from
inside
the product
No output from one
of the speakers
■
Adjust resolution, horizontal frequency, or vertical frequency.
■
Check the input source.
■
Work the Auto configure or adjust clock, phase, or H/V position. (Option)
■
Check the signal cable.
■
Reinstall the PC video card.
The signal is out of range
(Invalid format)
Screen colour is unstable
or single colour
Vertical bar or stripe on
background &
Horizontal Noise &
Incorrect position
TROUBLESHOOTING CHECKLIST
