19695946

S/M No. : DSD9280M01
✔ Caution :
In this Manual, some parts can be changed for improving, their
performance without notice in the parts list. So, if you need the
latest parts information,please refer to PPL(Parts Price List) in
Service Information Center (http://svc.dwe.co.kr).
DAEWOO ELECTRONICS Corp.
Mar. 2004
http : //svc.dwe.co.kr
Service Manual
Digital Satellite Receiver
MODEL : DSD-9280M
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GENERAL INFORMATION............................................................................................2
CIRCUIT OPERATION MANUAL.............................................................................................7
FIXING ERRORS....................................................................................................................28
BOM LIST...............................................................................................................................34
SCHEMATIC DIAGRAM.........................................................................................................39
PARTS PLACEMENT(ARRANGEMENT)..............................................................................46
1
CONTENTS

2
GENERAL INFORMATION
Digital Satellite Receiver is easy to use, and allows you to watch digital programs broadcasted via satellite.
This instruction manual will guide you through the initial installation of your receiver.
It also describes how to take full advantage of a wide range of features that are easily accessible.
Read this instruction manual carefully before installing your receiver.
MAIN FEATURES
•Small size and cost-effective
•High quality Digital Video & Audio
•Fully DVB compliant
•User friendly and easy-to use menu system
•Various channel editing function, on Channel Management. (favorite, move, lock, rename, delete and sort)
•User programmable Satellite & Transponder information
•Automatic search for newly added transponder (NIT search)
•Stores up to 4000 channels
•Support software upgrading through Serial port
•Plug-and-play data transfer system (DSR to DSR)
•Individual channel volume saving function
•Timer function
•Automatic reserved channel moving system
•Electronic Program Guide (EPG)
•Teletext function support
•Antenna Positioning Help features
•Support RGB and CVBS video output
•SCPC/MCPC receivable from C/Ku Band
•Multi LNB control by DiSEqC 1.0 and 22 KHz switching
•Motorized system control by DiSEqC 1.2* and USALS.
•256 color On-Screen-Display
* DiSEqCTM is a trademark of EUTELSAT.

3
GENERAL INFORMATION
FOR YOUR SAFETY
•Allow clear space of more than 10 cm from the top, back and both sides for sufficient ventilation.
•Do not cover the Digital Satellite Receiver nor place it on a unit that emits heat.
•Use a soft cloth and a mild solution of washing liquid to clean the casing
•Do not connect or modify cables when Digital Satellite Receiver is plugged in.
•Do not remove the cover.
•Do not allow the unit to be exposed to extreme heat, cold or humidity.
•Never allow liquid spray or other materials to come into contact with the inside of the Digital Satellite Receiver.
•This Unit is designed for continuous operation. Switching it off does not disconnect it from the mains(Stand-by). To
disconnect it from the mains, you have to unplug the mains.
UNPACKING
1 x Remote Control Unit (RCU) 1 x RCA Cable
2 x AAA battery (option)
1 x Instruction Manual 1 x DSR
GENERAL OPERATION
Throughout this manual you will notice that the operation of your Digital Satellite Receiver is based on a series of user
friendly On Screen Display menus.
These menus will help you to get the most out of your Digital Satellite Receiver And guide you through installation.
All function can be carried out by using the keys on the remote control.
The Digital Satellite Receiver is easy to use, and adaptable for future upgrades.
Note that new software may change the functionality.
If you have difficulties with the operation of your Digital Satellite Receiver, please refer to the relevant section of this
manual or call your dealer or customer service center for help.
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4
GENERAL INFORMATION
Switches between the operational mode
and Stand-by mode of the receiver
Displays the menu on the screen
Returns to the previous menu or exit
window
Executes the selected item in the menu
screen, or enters the Desired value in any
input mode
Enter the number in the required menu
item or select a Channel number to watch
Change channel, or moves to the next
higher or lower item in the menu
Adjusts the volume, or moves to the left
or right item in the menu
Shows information of the current channel
Calls up the EPG (Electronic Program
Guide)
Mutes the sound, or change various audio
setting
Recall to the previous channel
Switches between TV and Radio mode
Used for various functions on some menu
1 2 3
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7 8 9
MENU
INFO
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PR
EPG /AUD
RCL
TV/RADIO
MENU
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INFO
EPG
/AUD
RCL
TV/RADIO
OK
PR
PR
1 2 3
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0 /SAT
Remote Control