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19
PROBLEM
NO SOUND
NO SOUND ON ONE CHANNEL
NO SOUND ON SURROUND CHANNELS
NO SOUND ON CENTER CHANNEL
“DOLBY DIGITAL” OR “DTS” AUTO-DETECTION
FUNCTION DOES NOT WORK
WEAK BASS/ DIFFUSE STEREO IMAGE
REMOTE CONTROL HANDSET NOT WORKING
NO SOUND WITH TUNER
NOISE, HISS ON AM AND FM
DISTORTION ON FM
WHISTLES OR BUZZES ON FM & AM
WHISTLES OR BUZZES ON AM
NO RDS NAME (PS)
CAUSE
• Power AC lead unplugged or power not
switched on
•Tape Monitor selected
• Mute on
• Speaker not properly connected or damaged.
• Input lead disconnected or damaged
• In Setup “OFF” for surround speaker selected
• No surround mode selected
• Mono sound source
• Speakers not properly connected
• Surround volume level too low
• In Setup “OFF” for center speaker selected
• Speaker not connected properly
• Center volume level set too low
• Source not connected using digital inputs
• Speakers wired out of phase
• Batteries flat, or incorrectly inserted
•IR transmitter or receiver windows obstructed
• IR receiver in direct sun or very bright ambient
light
• Antenna leads incorrectly connected
• Station not selected or weak signal with FM
Mute on.
•Weak signal
• Multi-path signals or interference from another
station
•Interference from other electrical sources -
computers, games consoles
•Interference from fluorescent lighting or
electrical motors
• Station signal too weak.
• Station not transmitting RDS data
SOLUTION
• Check if AC lead is plugged in and power
switched on
• De-select Tape Monitor mode
• Switch off Mute
• Check connections and speakers
• Check leads and connections
• Select appropriate Surround mode (large or
small)
• Select a Surround Mode
•Test system with Stereo or Dolby Surround
material
• Check speakers and connections
• Increase surround volume level
• Select appropriate Center mode (large or small)
• Check speaker and connection
• Increase center volume level
• Connect digital output of source to T741
• Check connections to all speakers in the system
• Check or replace batteries
• Remove obstruction
• Place unit away from direct sun, reduce amount
of ambient light
• Check antenna connections to receiver
• Re-tune or switch off FM Mute
• Check station tuning. Adjust or replace antenna.
• Check station tuning. Adjust or replace antenna
• Check station tuning. Switch off or move the
source of the electrical noise
• Check station tuning. Adjust or replace AM
antenna
• Check station tuning. Adjust or replace antenna
•No remedy
T741 manual (GB) 22/10/01 3:56 pm Page 19