DSR 3800, DSR 3700
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DSR 3800, DSR 3700
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TROUBLESHOOTING
1. User section
4000 programmable channels,
software download via satellite & PC,
advanced Electronic Program Guide,
multi-language supported for OSD,
DiSEqC 1.2 supported full function
infrared remote control unit,
7 segment LED display,
auto and manual scan facility,
channel organizing (programmable),
RCA output, low power consumption
2. Tuner section
950 ~ 2150 MHz wide band tuner,
IF output with DC pass loop for analog
receiver,
supporting DiSEqC 1.2 version,
13 V/18 V switching,
22 KHz continuous tone control
3. Video section
DVB-S compliant,
MPEG-2 video (MP@ML)
2 - 45 Ms/s symbol rate
modulator output,
compatible for both SCPC/MCPC,
supports aspect ratio 4:3 (Normal) and
16:9 (Wide screen)
Power supply
Type:
SMPS
Input voltage:
AC 120V ~, 60 Hz
Fuse rating:
250 V/T2 A
Tuner
Freq. Range:
950 ~ 2150 MHz
Input signal level:
-65 ~ -25 dBm
Input impedance:
75
Ω
unbalanced
Connector type:
F type female
LNB power control:
13 V/18 V, 22 KHz tone
DiSEqC:
1.2 supported
Demodulator
Type:
QPSK DEMODULATION (DVB-S)
Symbol rate:
2 ~ 45 Ms/s
Inner FEC:
Viterbi Convolutional
Coding Rate - 1/2,2/3,3/4,5/6,7/8
Outer FEC:
Reed Solomon Coding (204,188) t, = 8
4. Audio section
MPEG 1 audio layer I & II
mono, dual, stereo and joint stereo
audio mode, 32, 44.1 and 48 KHz
samplin frequencies, volume control
and mute function through Remote
Control Unit.
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 to low
Check the signal strength in
the "Auto Scan" menu, correct alignment
of your antenna
On-Screen Error Message
Antenna cable not connected
Check connection and correct;
"Searching for signal"
or not tight;
LNB defective;
Change LNB;
incorrect position of the
Check position and correct,
satellite antenna;
Check the signal strength in
the "Auto Scan" menu
On-Screen Error Message
Satellite not yet set
Scan of in "Automatic scanning"
"Channel data
or "Manual scanning" menu
does not exist."
On-Screen Error Messages: Smartcard:
(depend on model)
"Please check the - not plugged in correctly; Check the Smartcard.
Smartcard"; - not plugged in. "Insert the Smartcard."
"Please insert the
Smartcard".
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.
DISPOSAL
TECHNICAL SPECIFICATIONS
DSR3800_3700_6.28 7/8/02 11:59 AM Page 32
