26
To assist in location possible faults use help guide below
.
BREAKDOWN PHENOMENON
PICTURE
SOUND
CHECKING
The aerial direction and connection
Ensure that the power supply is connected to
the TV set and turned on. Also ensure that the
TV set is not in "Listen Mode" or that the
brightness and contrast are not turned down.
Adjust colour control
Adjust channel again
Colour Purity fault which can be caused by moving the
TV set, placing magnets near the TV screen or turning
on/off house hold appliances such as vacuum cleaners
near the TV set. Turn the TV off with the mains power
switch for 15 minutes. When the power is turn on again
the TV set will automatically degauss the picture. In
server cases leave the TV set turned off over night.
Picture with snow
Noise
Colour Spot
Normal volume
Scramble
Normal or Weak Volume
No colour
Normal volume
No Picture
No sound
No sound
Normal
Normal
Disturb
Noise
Double or Triple Image
Note:
1.If the fault can not be repaired using the above guide consult with your local authorized service
center.
2.The TV set must only be repaired by a qualified registered service person. Never attempt to
remove the back cover as the TV set has dangerous voltages in side that may cause a fatally or fire.
3. The cabinet may produce the occasional "snapping sound" This is normal and caused by the
materials in the cabinet expanding with room temperature changes.
Electrical interference which can be caused by cars,
motorbikes etc, Fluorescent lamps and dirty
insulators on overhead power cables.
This is called ghosting which can be minimized with
an outside aerial, and good quality cable and
terminations. Altering the aerial direction can also
minimize this effect.
Volume Sound mute
Maintenance Service and Trouble Shooting
Summary of Contents for BH2404D
Page 3: ...2 Contents ...
Page 6: ...5 SAFETY PRECAUTIONS ...
Page 7: ...6 ...
Page 9: ...8 Warning and Cautions ...
Page 10: ...9 Warning and Cautions ...
Page 11: ...10 Warning and Cautions ...
Page 12: ...11 Warning and Cautions ...
Page 13: ...12 Warning and Cautions ...
Page 14: ...13 ...
Page 15: ...14 Parts and Funcitions ...
Page 16: ...15 Remote Controller Functions ...
Page 17: ...16 Program Diagram ...
Page 18: ...17 Program Diagram Program Diagram ...
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Page 29: ...28 Circuit Diagram ...
Page 30: ...29 Circuit Explanation ...
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Page 40: ...56 Information of Resistors and Capacitors ...
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