Daewoo DSD-9251MA, Service Manual

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5
General Information
10. Product Specification
System Capabilities
: Fully DVB compliant
Demodulator
Waveform : QPSK demodulation and FEC decoding in accordance with
DVB prETS 300 421
Symbol rate : 2 < Rs < 45 Msps
Video Decoder
Decompression : MPEG-2 Mian Profile@Main Level
Data rates : Up to 60 Mbits/s
Video formats : 4:3, 16:9
Audio Decoder
Decompression : MPEG laver I and II, Musicam
Outputs : Stereo Channel, Dual Mono, Joint Stereo, Mono
Application System Resources
Microprocessor : St Microelectronics STi5518
Clock frequency : 81 MHz
Flash memory : 1 Mbyte
SDRAM : 8 Mbyte
Graphic display : 720 x 576 (PAL)
720 x 480 (NTSC)
Connector Summary
LNB : 1 x LNB input (F-type)
: 1 x LNB output (F-type : Loop through) : Option
RCA : 4 x RCA jacks (CVBS, Audio L/R)
SCART : 1 Scart (TV)
RS232 : 1 x 9-pin D-sub (Max 625K bits/s)
LNB & Tuner Input
Input frequency : 950 to 2150 MHz
Digital signal input level : -65 to -25 dBm
LNB supply : 13.0 0.5V / 18.0 0.7V, max.500mA
Band switch control : 22 KHz (Microprocessor control)
Connector : 1 x F-Type, 3/8-32UNEF-2A
2 x F-Type, 3/8-32UNEF-2A (Option)
Power Supply
Main input voltage : 90 - 250V AC 50Hz/60Hz
Normal power consumption : 30W
Remote Control
Number of keys : 31 Keys
Operating distance : Up to 10m
Front Panel
Number of keys : 3 Keys
Indicators : power on / Stand by
Display : 4 Digits (7 segments)
Remote control input : Infrared receiver