Dolby Laboratories RC2573GR - Manual (Page 7)

6
Symptoms Suggested steps
Power TV cannot be switched
on The POWER . button of the remote control is used to
set the TV to stand-by mode or to switch on the TV.
Check if YES is selected in the REMOTE CONTROL
LOCK feature in SECURITY menu (see Specifying the
security options on page 24 ). Select NO to deactivate the
lock function.
Check if
ALL is selected in the KEYBOARD LOCK
feature in SECURITY menu. Select NO to deactivate lock
function (see Specifying the security options on page 24 ).
Note: D If both REMOTE CONTROL LOCK and
KEYBOARD LOCK features are on, use the Setup
Remote Control to turn off the functions.
Sound No sound Check if the volume of the TV is not at the minimum. Try
pressing the Volume Up button of the remote control to
increase volume.
Check that the mute mode is off. If the mute mode is on, press
the Mute button
[ on the remote control to deactivate
mute mode.
Check
AUDIO is not selected in the MUTE feature of the
CHANNEL INSTALL menu (see Selecting the Mute
Source on page 18 ).
Check that the audio source in the DEFAULT HDMI
AUDIO feature is selected correctly (see Configuring the
features options and settings on page 29 ).
If the TV is connected via HDMI to a DVD player, check
whether the Digital Audio output of the DVD player is set to
PCM mode.
Volume level cannot be
increased or decreased
beyond a certain value Check the limit setting for the Minimum and Maximum
Volume and specify the setting in the
MIN VOLUME /
MAX VOLUME features in the CONTROL menu (see
Configuring the control options on page 27 ).