Samsung LA22C450E1 User manual

SERVICEManual
TFT-LCD TV Contents
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 Reassembly
4. Troubleshooting
5. Exploded View & Part List
6. Wiring Diagram
LCD-TV
Chassis : N88A
Model : LA22C450E1
LA26C450E1
LA32C450E1
LA22C450E1/LA26C450E1/LA32C450E1

Contents
1. Precautions..............................................................................................................1-1
1-1. Safety Precautions .........................................................................................................1-1
1-2. Servicing Precautions.....................................................................................................1-2
1-3. Electrostatically Sensitive Devices (ESD) Precautions ..................................................1-2
1-4. Installation Precautions ..................................................................................................1-3
2. Product specications............................................................................................ 2-1
2-1. Feature & Specications.................................................................................................2-1
2-2. Specication Comparison to Old Models........................................................................2-4
2-3. Detail Factory Option......................................................................................................2-5
2-4. Accessories ..................................................................................................................2-13
3. Disassembly and Reassembly............................................................................... 3-1
3-1. Disassembly and Reassembly (LA22C450) ...................................................................3-1
3-2. Disassembly and Reassembly (LA32C450) ...................................................................3-4
4. Troubleshooting ...................................................................................................... 4-1
4-1. Troubleshooting..............................................................................................................4-1
4-2. Alignments and Adjustments ........................................................................................4-27
4-3. Factory Mode Adjustments ...........................................................................................4-28
4-4. White Balance - Calibration ..........................................................................................4-47
4-5. White Ratio (Balance) Adjustment................................................................................4-47
4-6. Servicing Information....................................................................................................4-48
5. Exploded View & Part List...................................................................................... 5-1
5-1. Exploded View................................................................................................................5-1
5-2. Parts List.........................................................................................................................5-2
6. Wiring Diagram........................................................................................................6-1
6-1. Wiring Diagram...............................................................................................................6-1
6-2. Connector .......................................................................................................................6-3
6-3. Connector Functions ......................................................................................................6-5
6-4. Cables ............................................................................................................................6-5

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.
© 2010 Samsung Electronics Co.,Ltd.
All rights reserved.
Printed in Korea
P/N: BN82-00753A-00

3-1
3. Disassembly and Reassembly
3. Disassembly and Reassembly
This section of the service manual describes the disassembly and reassembly procedures for the LCD TV.
WARNING: This LCD TV contains electrostatically sensitive devices. Use caution when handling these components.
3-1. Disassembly and Reassembly (LA22C450)
Cautions: 1. Disconnect the LCD TV from the power source before disassembly.
2. Follow these directions carefully; never use metal instruments to pry apart the cabinet.
Description Picture Description Screws
1. Remove 3 Screws from the stand.
Remove stand.
6002-001294
(M4 x L16, Tapping)
2. Remove the 5 screws of rear-cover.
6002-001294
(M4 x L16, Tapping)

3-2
3. Disassembly and Reassembly
Description Picture Description Screws
3. Lift up the rear-cover.
4. Remove the left and right speaker.
5. Remove the 4 screws of main board and
4 screws of IP board.
6003-001439
(M4 x L8, TAPTYPE)
6002-001294
(M4 x L16, Tapping)
6. Remove the bracket stand link.

3-3
3. Disassembly and Reassembly
Description Picture Description Screws
7. Lift up the stand link.
8. Lift up the panel.
Reassembly procedures are in the reverse order of disassembly procedures.※

3-4
3. Disassembly and Reassembly
3-2. Disassembly and Reassembly (LA32C450)
Cautions: 1. Disconnect the LCD TV from the power source before disassembly.
2. Follow these directions carefully; never use metal instruments to pry apart the cabinet.
Description Picture Description Screws
1. Place the TV face down on cushioned table.
Remove 4 screws from the Stand.
Remove stand.
6003-001003
2. Remove the 9 screws of rear-cover.
6003-001003

3-5
3. Disassembly and Reassembly
Description Picture Description Screws
3. Lift up the rear-cover.
4. Remove the left and right speaker.
5. Remove the 5 screws of main board and
4 screws of IP Board.
6001-002284
6003-001439

3-6
3. Disassembly and Reassembly
Description Picture Description Screws
6. Remove the 2screws of panel and front.
Remove the 4 screws of bracket stand link.
6003-000337
6003-000337
ONLY
32"C5X0
6003-001003
7. Lift up the stand link.
8. Lift up the panel.
Reassembly procedures are in the reverse order of disassembly procedures.※
Screw Size
Code No. A (mm) B (mm) C (mm) Q’ty
6001-002284 8.3±0.5 8.0±0.6 3.83~3.98 8(26"/32"/37"), 10(40"/46")
6003-000337 7.3~8.3 9.2~10.0 3.73~3.83 4(26"), 8(32"), 6(37"/40"46")
6003-001439 8.3±0.4 8.0±0.4 3.85~3.93 1(ALL)
6003-001003 7.80~8.30 11.20~12.00 3.81~3.91 10(26") 12(32"450)
13(32"5XX). 17(37"), 15(40"), 18(46")

5-1
5. Exploded View & Part List
5. Exploded View & Part List
5-1. LA22C450E1 Exploded View
F001A
M0215
CB06A
M0014
SP01A SP01A
M0027
R001A
P001A