Sony htp-78dw User Manual

There is severe hum or noise.

• Check that the speakers and components

are connected securely.

• Check that the connecting cords are away

from a transformer or motor, and at least
3 m away from a TV set or fluorescent
light.

• Move your audio components away from

the TV.

• The plugs and jacks are dirty. Wipe them

with a cloth slightly moistened with
alcohol.

There is no sound, or only a very low-
level sound is heard from the center/
surround speakers.

• Select a CINEMA STUDIO EX mode

(page 43).

• Adjust the speaker level (page 28).

There is no sound from the sub woofer.

• Check that the sub woofer is connected

correctly and securely.

• Make sure you have turned on your sub

woofer.

The surround effect cannot be
obtained.

• Make sure the sound field function is on

(press MOVIE or MUSIC).

• Sound fields do not function for signals

with a sampling frequency of more than
48 kHz.

Dolby Digital or DTS multi channel
sound is not reproduced.

• Check that the DVD, etc. you are playing

is recorded in Dolby Digital or DTS
format.

• When connecting the DVD player, etc. to

the digital input jacks of this receiver,
check the audio setting (settings for the
audio output) of the connected component.

Video

There is no picture or an unclear
picture appears on the TV screen or
monitor.

• Select the appropriate input using the input

buttons.

• Set your TV to the appropriate input mode.
• Move your audio components away from

the TV.

Tuner

The FM reception is poor.

• Use a 75-ohm coaxial cable (not supplied)

to connect the receiver to an outdoor FM
antenna as shown below. If you connect
the receiver to an outdoor antenna, ground
it against lightning. To prevent a gas
explosion, do not connect the ground wire
to a gas pipe.

ANTENNA

Receiver

To ground

Ground wire
(not supplied)

Outdoor FM antenna