DTB-H550F
ENG-47
ENG
DTB-H550F
ENG-46
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TROUBLESHOOTING
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
Back switch in correctly
No power supply
No pictures on the screen
Receiver in Standby mode;
Set receiver to “On”;
Video Cable not connected tightly
Check connection and correct;
to video input of television;
incorrect channel or video
Check channel and video output and
input selected on television
correct (TV instruction manual)
No sound
Audio cord connected
Check connection and correct;
incorrectly;
Volume 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 and quality in
the “Signal Detection” menu, correct
alignment of your antenna
On-Screen Error Message
Antenna cable not connected
Check connection and correct;
“Signal is weak”
or not tight;
incorrect position of the
Check position and correct,
antenna;
Check the signal strength in
the “Signal Detection” menu
On-Screen Error Message
Receiver not yet set
Scanning of in “Channel Auto Scan”
“No Channels”
or “Channel Manual scan” menu
DISPOSAL
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.
TECHNICAL SPECIFICATIONS
General
Item
Specification
Power supply
Input Voltage
AC110-240V~, 50/60Hz
Fuse rating
250V/T1.6 AH
Consumption
max 20Watts
Dimension
Size
351(W) X 60(H) X 226(D) mm
Weight
2.1Kg
Receiver Input
Item
Specification
DVB-T In
Input Frequency Range
50 MHz ~ 862 MHz
Input Signal Level
-78 dBm ~ -20 dBm, at 75
Ω
RF Connector Type
DIN Connector Socket/Plug
Modulation Format
COFDM
Channel Bandwidth
7MHz ( or 8MHz)
Digital Data out
MPEG-2 TS ISO/IEC 13818-1
Loop Through
50 MHz ~ 862 MHz
Demodulator
Type
COFDM (DVB-T)
FFT
8K (or 2k)
Code Rate
1/2, 2/3, 3/4, 5/6, 7/8
Guard Interval
1/4, 1/8, 1/16, 1/32
Receiver Output
Item
Specification
Video
Decoding
MPEG-2 ISO/IEC 13818-2
Profile @ Level
MPEG-2 MP@ML, MP@HL
Resolution
1080i, 720p, 576p, 576i
Video output
Composite(RCA) 2ea,
S-Video (Y:1.0Vp-p, C:0.286Vp-p)
DTV output
Component(YP
B
P
R
), RGB(D-SUB), DVI
Aspect Ratio
16:9, 4:3
Video Format
PAL
Audio
Decoding
MPEG-1 ISO/IEC 11172-3 layer1&2
MPEG-2 Audio
Dolby Digital(AC-3)
Mode
Single channel, Dual channel, Stereo,
Joint stereo
Sampling frequency
32, 44.1, 48KHz
Analog Audio output
L/R(RCA) 2Ch
Digital Audio output
Optical, Coaxial
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