Samsung SyncMaster 320TSn-2 User manual

LFD-Monitor
Chassis : MG32TS
MG40TS
MG46TS
Model : 320TSn-2
400TSn-2
460TSn-2
SERVICEManual
TFT-LCD Monitor Contens
320TSn-2 / 400TSn-2 / 460TSn-2
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 (320TSn-2) ................................................................................................ 3-1
3-2. Disassembly (400TSn-2, 460TSn-2) .............................................................................. 3-5
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 HDMI Video .............................................................................................................. 4-8
4-6. No AV Video.................................................................................................................. 4-10
4-7. O/S Problems ............................................................................................................... 4-12
4-8. Faults and Corrective Actions....................................................................................... 4-14
4-9. Adjustment.................................................................................................................... 4-15
5. Exploded View & Part List ...................................................................................... 5-1
5-1. Exploded View (320TSn-2)............................................................................................. 5-1
5-2. Parts List (320TSn-2) ..................................................................................................... 5-3
5-3. Exploded View (400TSn-2)............................................................................................. 5-8
5-4. Parts List (400TSn-2) ................................................................................................... 5-10
5-5. Exploded View (460TSn-2)........................................................................................... 5-28
5-6. Parts List (460TSn-2) ................................................................................................... 5-30
6. Wiring Diagram........................................................................................................ 6-1
6-1. Wiring Diagram (Main).................................................................................................... 6-1
6-2. Wiring Diagram (Network) .............................................................................................. 6-2
6-3. Wiring Diagram (Photo - Main Board) ............................................................................ 6-3
6-4. Wiring Diagram (SMPS Board - SMPS 32”) ................................................................... 6-4
6-5. Wiring Diagram (SMPS Board - SMPS 40”) ................................................................... 6-5
6-6. Wiring Diagram (Sub-SMPS).......................................................................................... 6-6
6-7. Wiring Diagram (Network Board).................................................................................... 6-7
6-8. Wiring Diagram............................................................................................................... 6-8
6-9. Functions of Cables and Connectors ........................................................................... 6-10

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.
© 2009 Samsung Electronics Co.,Ltd.
All rights reserved.
Printed in Korea
P/N: BN82-00617A-00

3-1
3. Disassembly and Reassemble
3. Disassembly and Reassemble
This section of the service manual describes the disassembly and reassembly procedures for the monitor.
WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components.
3-1. Disassembly (320TSn-2)
Cautions: 1. Turn the monitor off before beginning the disassembly process.
2. When disassembling the monitor, do not use any metal tools except for the provided jig.
3. Remove the signal cable and the power cord before beginning the disassembly.
Description Picture Description Screws
1. Remove 14 screws from the rear cover
and lift up the rear cover.
2. Disconnect the three (3) cables (marked
with blue circles in the right gure). Then
remove the four (4) screws (marked
with red circles) and the two (2) D-SUB
hexagonal screws (marked with yellow
circles).
3. Remove the Network board.
Cables D-SUB
hexagonal screw 4 Screws
4. Disconnect the two (2) cables (marked
with blue circles in the right gure). Then
remove the four (4) screws (marked with
red circles) and the SUB SMPS.
Cables 4 Screws

3-2
3. Disassembly and Reassemble
Description Picture Description Screws
5. Disconnect from the Main board the six
(6) cables (marked with blue circles in
the right gure), and then remove the
nine (9) screws (marked with red circles)
6. Remove the Main board.
Cables 9 Screws
7. DDisconnect the ve (5) cables on the
Main SMPS (marked with blue circles in
the right gure), then remove the seven
(7) screws (marked with red circles) and
remove the Main SMPS..
Cables 7 Screws
8. Remove the two (2) screws that hold the
fan in place, and remove the fan.

3-3
3. Disassembly and Reassemble
Description Picture Description Screws
9. Remove the six (6) screws (marked
with red circles in the right gure), and
remove the bracket.
10. Remove the ten (10) screws (marked
with red circles in the right gure), and
remove the front from the panel.
11. Remove the screws (three (3) screws on
the top and bottom, and two (2) screws
on the left and right, respectively) of the
side bracket (marked with red circles in
the right gure), and remove the side
bracket.

3-4
3. Disassembly and Reassemble
Description Picture Description Screws
12. Pull up the protection glass and touch
screen module from the front cover.
※Reassembly procedures are in the reverse order of disassembly procedures.

3-5
3. Disassembly and Reassemble
3-2. Disassembly (400TSn-2, 460TSn-2)
Cautions: 1. Turn the monitor off before beginning the disassembly process.
2. When disassembling the monitor, do not use any metal tools except for the provided jig.
3. Remove the signal cable and the power cord before beginning the disassembly.
Description Picture Description Screws
1. Remove 16 screws from the rear cover
and lift up the rear cover.
2. Disconnect the two (2) cables
designated with blue circles in the right
gure, and then remove the four (4)
screws designated with red circles.
3. Remove the Network board.
Cables 4 Screws
4. Disconnect the one (1) cables (marked
with blue circles in the right gure). Then
remove the four (4) screws (marked with
red circles) and the SUB SMPS
Cables 4 Screws
5. Disconnect the cable (marked with blue
circles in the right gure), and then
remove the two (2) screws (marked with
red circles), and remove the Set Back
Box (SBB).
Cables 2 Screws

3-6
3. Disassembly and Reassemble
Description Picture Description Screws
6. Disconnect from the Main board the
seven (7) cables (marked with blue
circles in the right gure), and then
remove the nine (9) screws (marked
with red circles).
7. Remove the Main board.
Cables 9 Screws
8. DDisconnect the six (6) cables on the
Main SMPS (marked with blue circles in
the right gure), then remove the nine
(9) screws (marked with red circles) and
remove the Main SMPS.
Cables 9 Screws
9. Remove the three (3) screws that hold
the fan in place, and remove the fan.
FAN 3 Screws
10. Remove the four (4) screws (marked
with red circles in the right gure), and
remove the bracket.

3-7
3. Disassembly and Reassemble
Description Picture Description Screws
11. Remove the eight (8) screws (marked
with red circles in the right gure), and
remove the front from the panel.
12. Remove the screws (three (3) screws on
the top and bottom, and two (2) screws
on the left and right, respectively) of the
side bracket (marked with red circles in
the right gure), and remove the side
bracket.
13. Pull up the protection glass and touch
screen module from the front cover.
※Reassembly procedures are in the reverse order of disassembly procedures.