Samsung 820DXn - SyncMaster - 82" LCD Flat Panel... User manual

LCD-Monitor
Chassis : LS82BPT
Model : 820DXn
SERVICEManual
TFT-LCD Monitor Contens
820DXn
Refer to the service manual in the GSPN (see the rear cover) for the more information.
1. Precautions
2. Product specications
3. Disassembly and Reassemble
4. Troubleshooting
5. Exploded View & Part List
6. Wiring Diagram
7. Schematic Diagram

Contents
1. Precautions.............................................................................................................. 1-1
1-1. Safety Precautions ......................................................................................................... 1-1
1-2. Servicing Precautions..................................................................................................... 1-2
1-3. Static Electricity Precautions .......................................................................................... 1-2
1-4. Installation Precautions .................................................................................................. 1-3
2. Product specications............................................................................................ 2-1
2-1. Feature & Specications................................................................................................. 2-1
2-2. Spec Comparison to the Old Models.............................................................................. 2-3
2-3. Accessories .................................................................................................................... 2-4
2-4. Accessories (Sold separately) ........................................................................................ 2-5
3. Disassembly and Reassemble ............................................................................... 3-1
3-1. Disassembly ................................................................................................................... 3-1
4. Troubleshooting ...................................................................................................... 4-1
4-1. Troubleshooting .............................................................................................................. 4-1
4-2. No Power........................................................................................................................ 4-2
4-3. No PC(D-SUB) Video ..................................................................................................... 4-4
4-4. No DVI Video.................................................................................................................. 4-6
4-5. No BNC Video ................................................................................................................ 4-8
4-6. No Component Video(Component) .............................................................................. 4-10
4-7. No AV Video (AV).......................................................................................................... 4-12
4-8. O/S Problems ............................................................................................................... 4-14
4-9. Faults and Corrective Actions....................................................................................... 4-16
4-6. Adjustment.................................................................................................................... 4-17
5. Exploded View & Part List ...................................................................................... 5-1
5-1. Exploded View................................................................................................................ 5-1
5-2. Parts List......................................................................................................................... 5-3
6. Wiring Diagram........................................................................................................ 6-1
6-1. Wiring Diagram (Main).................................................................................................... 6-1
6-2. Wiring Diagram (Network) .............................................................................................. 6-2
6-3. Wiring Diagram (Main - Power) ...................................................................................... 6-3
6-6. Wiring Diagram (SMPS Board)....................................................................................... 6-6
6-7. Wiring Diagram (Network Power Board) ........................................................................ 6-7
6-8. Wiring Diagram............................................................................................................... 6-8
6-8. Connector Functions ...................................................................................................... 6-9
6-9. Cables .......................................................................................................................... 6-10
7. Schematic Diagram ................................................................................................. 7-1
7-1. Circuit Description .......................................................................................................... 7-1
7-2. Schematic Diagram ........................................................................................................ 7-2
7-3. Schematic Diagram ..................................................................................................... 7-17

GSPN (Global Service Partner Network)
Area Web Site
North America http://service.samsungportal.com
Latin America http://latin.samsungportal.com
CIS http://cis.samsungportal.com
Europe http://europe.samsungportal.com
China http://china.samsungportal.com
Asia http://asia.samsungportal.com
Mideast & Africa http://mea.samsungportal.com
This Service Manual is a property of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law.
© 2008 Samsung Electronics Co.,Ltd.
All rights reserved.
Printed in Korea
P/N: BN82-00428A-00

3-1
3. Disassembly and Reassemble
3. Disassembly and Reassemble
When disassembling the monitor, do not use any metal tools except for the provided jig.
WARNING: As this monitor has parts that are sensitive to static electricity, be careful when handling them.
3-1. Disassembly
Cautions: 1. Disconnect the monitor from the power source before disassembly.
2. Follow these directions carefully; never use metal instruments to pry apart the cabinet.
3. When disassembling the monitor, do not use any metal tools except for the provided jig.
Description Picture Description Screws
1. Remove 17 screws from the rear cover and lift
up the rear cover.
2. Remove the twenty (20) screws on the shield
cover and remove it.
3. Remove the four (2) screws and the power cable
designated in the right photo.
4. Remove the four (4) screws and the power cable
designated in the right photo.

3-2
3. Disassembly and Reassemble
Description Picture Description Screws
5. Remove the screws and the board designated in
the right photo, and then place the set down.
6. Remove the four (15) screws shown in the gure
and remove the board.
7. Remove the (4) screws designated in the right
photo and remove the speaker.
8. Down the panel.
.

3-3
3. Disassembly and Reassemble
Description Picture Description Screws
9. Remove the screws designated in the right photo
and remove the stand.
10. Remove the screws designated in the right
photo and remove the bracket.
Reassembly procedures are in the reverse order of disassembly procedures.※

3-4
3. Disassembly and Reassemble
Memo

5-1
5. Exploded View & Part List
5. Exploded View & Part List
5-1. LS82BPTNBF/XSF - Exploded View (820DXN)
F001A
M0215 BN91-01855A
M0412
T0152
M0002
M0003
BN61-03645A
M0013

5-2
5. Exploded View & Part List
5-1-1. LS82BPTNBF/XSF - Parts List (820DXN)
Location No. Code No. Description & Specication Q’ty Remark SA/SNA
F001A BN96-06311B ASSY COVER P-FRONT;Beethoven Plus 82,AL 1 SA
M0002 BN90-01411B ASSY COVER REAR;LS82BPT,PIVOT 1 SNA
M0003 BN96-06315A ASSY STAND P;-,Beethoven Plus 82,-,AL T3 2 SA
M0013 BN96-06313B ASSY COVER P-REAR;LS82BP,SECC,PIVOT,T1.0 1 SA
M0215 BN07-00416A LCD-PANEL;LTI820HT-L01,SSZZT1,8bit,82.0i 1 SA
M0412 BN96-06314B ASSY BRACKET P-PCB;Beethoven Plus 82,SEC 1 SNA
T0152 BN96-06364A ASSY BRACKET P-VESA;-,BEETHOVEN 70/82,SE 4 SNA
BN91-01855A ASSY SHIELD;LS82BPTNB/XAA 1 SNA
BN61-03645A BRACKET-SUPPORT REAR;BEETHOVEN_PLUS 82,A 1 SNA

5-3
5. Exploded View & Part List
5-2. LS82BPTNBF/XSF - Parts List
Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE)
Level Code No. Description. Specication Q’ty Remark SA/SNA
0.1 BN90-01410B ASSY COVER FRONT;beethoven 82,LS82BPT,PI 1 SNA
..2 F001A BN96-06311B ASSY COVER P-FRONT;Beethoven Plus 82,AL 1 SA
...3 W392 6003-000282 SCREW-TAPTYPE;BH,+,-,B,M3,L8,ZPC(BLK),SW 4 SA
...3 M0081 6003-000337 SCREW-TAPTYPE;BH,+,S,M4,L10,ZPC(BLK),SWR 16 SA
...3 BN61-03119A GUIDE-CONTROL;BEETHOVEN PLUS
40",HIPS,T2 1 SNA
...3 T0010 BN61-03307A HOLDER-FRONT;ROSE,70,AL 4 SNA
...3 BN61-03893B BRACKET-FRONT BOTTOM;LS82BP,AL,2.5,PIVOT 1 SNA
...3 BN61-03894B BRACKET-FRONT LEFT;LS82BP(SAMSUNG),2.5,P 1 SNA
...3 CCM1 BN63-04062A COVER-SHEET;rose70",PET,T0.025,W120mm,10 6.1 SNA
...3 M0007 BN64-00156D KNOB-FUNCTION;BE46PS,ABS,HB,BK07 1 SNA
...3 T0299 BN64-00604A WINDOW-RMC LED;DID57,PC CLEAR,BKN-1576,L 1 SNA
...3 M0020 BN96-05723A ASSY BOARD P-FUNCTION-IR;BeethovenPlus 4 1 SA
...3 BN61-03892A BRACKET-FRONT TOP;BEETHOVEN_PLUS
82,AL,2 1 SNA
...3 BN61-03894A BRACKET-FRONT LEFT;BEETHOVEN_PLUS
82,AL, 1 SNA
0.1 M0002 BN90-01411B ASSY COVER REAR;LS82BPT,PIVOT 1 SNA
..2 6011-001610 BOLT-ETC;M8,L18,ZPC(BLK),SWRCH18A,WSP,PH 6 SNA
..2 T0527 BN68-01059A LABEL-WINDOWS XP;BE40**,coated white pol 1 SNA
..2 M0013 BN96-06313B ASSY COVER P-REAR;LS82BP,SECC,PIVOT,T1.0 1 SA
...3 M0006 BN63-04061B COVER-REAR;LS82BP,SECC,T1.0,BLACK ,PIVOT 1 SNA
..2 M0081 6003-000337 SCREW-TAPTYPE;BH,+,S,M4,L10,ZPC(BLK),SWR 36 SA
..2 M0006 BN63-04058A COVER-REAR SUB;BEETHOVEN_PLUS
82",SECC,T 1 SNA
0.1 M0019 BN91-01682E ASSY LCD-SPZ;LS82BPT* 1 SNA
..2 M0215 BN07-00416A LCD-PANEL;LTI820HT-L01,SSZZT1,8bit,82.0i 1 SA
0.1 BN91-01855A ASSY SHIELD;LS82BPTNB/XAA 1 SNA
..2 FT532 2901-001476 FILTER-EMI AC LINE;250V,15A,0.33uF/1000p 1 SA
..2 W392 6003-000282 SCREW-TAPTYPE;BH,+,-,B,M3,L8,ZPC(BLK),SW 32 SA
..2 M0081 6003-000337 SCREW-TAPTYPE;BH,+,S,M4,L10,ZPC(BLK),SWR 114 SA
..2 M0081 6003-001439 SCREW-TAPTYPE;BH,+,S,M4,L8,ZPC(WHT),SW
RC 4 SNA
..2 M2893 BN39-00978A LEAD CONNECTOR;BeethovenPlus 82,UL1007#2 1 SA
..2 M2893 BN39-00980A LEAD CONNECTOR;BeethovenPlus 82,UL20276# 1 SA
..2 M2893 BN39-00984A LEAD CONNECTOR;BeethovenPlus,UL1007#26,U 1 SA
..2 M2893 BN39-00990A LEAD CONNECTOR;BeethovenPlus 82,UL1617#2 1 SA
..2 M2893 BN39-00991A LEAD CONNECTOR;BeethovenPlus 82,UL1007#2 1 SA
..2 T0764 BN44-00179A DC VSS-LCD MONITOR SUB;BTV82,SANKEN
ELEC 1 SA
..2 T0764 BN44-00180A DC VSS-LCD MONITOR MAIN;BTV82,SANKEN
ELE 1 SA
..2 M0146 BN61-03611A BRACKET-PANEL TOP;BEETHOVEN_PLUS
82,AL,2 1 SNA
..2 BN61-03614A BRACKET-PANEL BOTTOM;BEETHOVEN_PLUS
82,A 1 SNA
..2 M0146 BN61-03615A BRACKET-PANEL SIDE;BEETHOVEN_PLUS
82,AL, 2 SNA