Samsung DTB-S500F user manual download (Page 32 of 33)

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Page 32 of 33
TROUBLESHOOTINGS
GB-27
GB-26
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GB
Power supply
Type :
SMPS
Input voltage :
AC 100-240V~, 50/60Hz
Fuse rating :
250V T1.6AH
Demodulator
DEMODULATION :
OFDM DEMODULATION (DVB-T)
MODE :
2K/8K
CODE RATE :
Viterbi Convolutional
Code Rate - 1/2,2/3,3/4,5/6,7/8
Tuner
Freq. Range :
50~860 MHz
Input signal level :
-20 ~ -78 dBm
Channel selection :
PLL frequency synthesizer
Input impedance :
75
unbalanced
Connector type :
Din type female(RF in/RF out)
Video decoder
System decoding :
MPEG 2 ISO/IEC 13818
(Transport Stream)
Profile and level :
MPEG 2 MP@ML (4:2:2)
Data rate :
1~ 15 Mb/s
Video formats :
4:3 (normal) & 16:9 (widescreen)
Picture resolution :
720(H) x 576(V) x 50 fields/sec
Audio Decoder
System decoding :
MPEG 1 ISO/IEC 11172~3 layer I & II
Audio mode :
single channel, dual channel, stereo,
joint stereo
Sampling frequency :
32, 44.1, 48, 96 KHz
Note
:
The specification of the STB may be changed without notice in advance.
Problem
Possible cause
Solution of the problem
No display LED on
Power cord
Power cord plug in correctly
the front panel;
not plugged in correctly
No power supply
No pictures on the screen
Receiver in Standby mode;
Set receiver to “On”;
Scart not connected tightly
Check connection and correct;
to video output of television;
incorrect channel or video
Check channel and video output and
output selected on television
correct (TV instruction manual)
No sound
Audio cord connected
Check connection and correct;
incorrectly;
Loudness level = 0;
Increase loudness on television set;
Muting active
Press the MUTE key
Remote Control does not
Incorrect operation;
Point remote control
operate directly
towards the Receiver.
Batteries dead or inserted
Replace batteries or insert correctly
incorrectly
Poor picture quality
Signal strength too low
Check the signal strength in
the “Installation” menu, correct
alignment
of your antenna
On-Screen Error Message
Antenna cable not connected
Check connection and correct;
“Searching for signal”
or not tight;
incorrect position of the
Check position and correct,
antenna;
Check the signal strength in
the “Installation” menu
On-Screen Error Message
Receiver not yet set
Scanning of in “Installation” menu
“Channel data does not
exist.”
The device, packaging material (e.g. Styrofoam) and the batteries must never be
disposed of with household refuse. Please obtain appropriate information about the
regulations in your community, and dispose of all refuse in accordance with regulations
at the separate locations provided.
In some region, the digital terrestrial signal may be weak.
So you’d better use the antenna in which the booster was built, for watching the
weak signal channels.
You can download and upgrade the system software of the receiver through
a specific channel through a specific channel designated by the broadcaster.
The Distributor will provide you with more information about that.
DISPOSAL
TECHNICAL SPECIFICATIONS
Sample