Samsung LE26A451C1HX User manual

LCD-TV
Chassis : N55B
N56B
Model : LE26A451C1HX
LE32A451C1HX
LE37A451C1HX
LE40A451C1HX
SERVICEManual
TFT-LCD TV Contents
LE26A451C1HX/ LE32A451C1HX
LE37A451C1HX/ LE40A451C1HX
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

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
2-3. Spec Comparison to the Old Models.............................................................................. 2-7
2-4. Accessories .................................................................................................................... 2-8
3. Disassembly and Reassemble ............................................................................... 3-1
3-1. Disassembly ................................................................................................................... 3-1
4. Troubleshooting ...................................................................................................... 4-1
4-1. Troubleshooting .............................................................................................................. 4-1
4-2. Alignments and Adjustments ........................................................................................ 4-15
4-3. Factory Mode Adjustments ........................................................................................... 4-16
4-4. Hotel Interactive Mode.................................................................................................. 4-19
4-5. Stand Alone Hotel Mode............................................................................................... 4-20
4-6. White Balance - Calibration .......................................................................................... 4-21
4-7. White Ratio (Balance) Adjustment................................................................................ 4-23
4-8. HOW TO UPGRADE .................................................................................................... 4-24
5. Exploded View & Part List ...................................................................................... 5-1
5-1. LE26A451C1HX Exploded View..................................................................................... 5-1
5-2. LE32A451C1HX Exploded View..................................................................................... 5-3
5-3. LE37A451C1HX Exploded View..................................................................................... 5-5
5-4. LE40A451C1HX Exploded View..................................................................................... 5-7
5-5. LE26A451C1HX Parts List ............................................................................................. 5-9
5-6. LE32A451C1HX Parts List ........................................................................................... 5-36
5-7. LE37A451C1HX Parts List ........................................................................................... 5-63
5-8. LE40A451C1HX Parts List ........................................................................................... 5-90
6. Wiring Diagram........................................................................................................ 6-1
6-1. Wiring Diagram............................................................................................................... 6-1
6-2. Wiring Picture ................................................................................................................. 6-4
6-3. Connector Functions ...................................................................................................... 6-5
6-4. Cables ............................................................................................................................ 6-6

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: BN82-00453A-00

2-1
2. Product specications
2. Product specications
2-1. Feature & Specications
Model LE26A451C1HX
Feature
HD_READY(HD), RF, 2-HDMI, 1-Ext, 1-Component, 1-A/V, 1-S-video, 1- SCART, D-SUB
Brightness : 500cd/m2
Contrast Ratio : 8000:1
Response time : 6ms
Dynamic contrast, Super-PVA
PIP( in HDMI 1,2, Component 1, PC Mode and Sub picture is available only in TV, Ext, AV mode )
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Specications
Item Description
LCD Panel TFT-LCD panel, RGB vertical stripe, SPVA mode, normaly black,
26-Inch viewable, 0.3635 (H) x 0.36375 (W) mm pixel pitch
Scanning Frequency Horizontal : 67.5 kHz (Automatic)
Vertical : 48 Hz ~ 63 Hz (Automatic)
Display Colors 16.7 million colors
Maximum resolution Horizontal : 1920 Pixels
Vertical : 1080 Pixels
Input Signal Analog 0.7 Vp-p ± 5% positive at 75Ω , internally terminated
Input Sync Signal H/V Separate, TTL, P. or N.
Maximum Pixel Clock rate 310MHz
Active Display
Horizontal/Vertical 698.4(H) x 392.85(V) mm
AC power voltage & Frequency AC 110V ~ 240V, 50/60Hz
Power Consumption < 245 W
Dimensions
865.0 x 220.0 x 561.0 mm_with stand
865.0 x 79.0 x 449.8 mm_without stand
Set (W x D x H)
Weight (Set) 13.7 Kg
TV System Tuning Voltage / Frequency Synthesize (Refer to detailed Frequency Table)
System PAL - B/G, D/K, I / SECAM - D/K / SECAM L/L’
Sound STEREO
Environmental Considerations Operating Temperature : 50˚F ~ 104˚F (10˚C ~ 40˚C)
Operating Humidity : 10% ~ 80%, non-condensing
Storage temperature : -13˚F ~ 113˚F (-25˚C ~ 45˚C)
Storage Humidity : 5% ~ 95%, non-condensing
Environmental Considerations - MAX Internal speaker Out : Right => 10W, Left => 10W
- BASS Control Range : -8 dB ~ + 8dB
- TREBLE Control Range : -8 dB ~ +8 dB
- Headphone Out : 10 mW MAX
- Output Frequency : RF : 80 Hz ~ 15 kHz
A/V : 80 Hz ~ 20 kHz

2-2
2. Product specications
Model LE32A451C1HX
Feature
HD_READY(HD), RF, 2-HDMI, 1-Ext, 1-Component, 1-A/V, 1-S-video,1- SCART, D-SUB
Brightness : 500cd/m2
Contrast Ratio : 8000:1
Response time : 6ms
Dynamic contrast, Super-PVA
PIP( in HDMI 1,2, Component 1, PC Mode and Sub picture is available only in TV, Ext, AV mode )
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Specications
Item Description
LCD Panel TFT-LCD panel, RGB vertical stripe, SPVA mode, normaly black,
32-Inch viewable, 0.3635 (H) x 0.36375 (W) mm pixel pitch
Scanning Frequency Horizontal : 67.5 kHz (Automatic)
Vertical : 48 Hz ~ 63 Hz (Automatic)
Display Colors 16.7 million colors
Maximum resolution Horizontal : 1920 Pixels
Vertical : 1080 Pixels
Input Signal Analog 0.7 Vp-p ± 5% positive at 75Ω , internally terminated
Input Sync Signal H/V Separate, TTL, P. or N.
Maximum Pixel Clock rate 310MHz
Active Display
Horizontal/Vertical 698.4(H) x 392.85(V) mm
AC power voltage & Frequency AC 110V ~ 240V, 50/60Hz
Power Consumption < 245 W
Dimensions
865.0 x 220.0 x 561.0 mm_with stand
865.0 x 79.0 x 449.8 mm_without stand
Set (W x D x H)
Weight (Set) 13.7 Kg
TV System Tuning Voltage / Frequency Synthesize (Refer to detailed Frequency Table)
System PAL - B/G, D/K, I / SECAM - D/K / SECAM L/L’
Sound STEREO
Environmental Considerations Operating Temperature : 50˚F ~ 104˚F (10˚C ~ 40˚C)
Operating Humidity : 10% ~ 80%, non-condensing
Storage temperature : -13˚F ~ 113˚F (-25˚C ~ 45˚C)
Storage Humidity : 5% ~ 95%, non-condensing
Environmental Considerations - MAX Internal speaker Out : Right => 10W, Left => 10W
- BASS Control Range : -8 dB ~ + 8dB
- TREBLE Control Range : -8 dB ~ +8 dB
- Headphone Out : 10 mW MAX
- Output Frequency : RF : 80 Hz ~ 15 kHz
A/V : 80 Hz ~ 20 kHz