Samsung LE40N87BDX User manual

TFT-LCD TV
Chassis GTU37SEN
GTU40SEN
GTU40HEN
GTU46SEN
GTU46HEN
GTU52SEN
Model LE37M86BDX
LE40M86BDX
LE46M86BDX
LE52M86BDX
LE40N87BDX
LE46N87BDX
Manual
SERVICE
TFT-LCD TV Fashion Feature
- Luxurious Slim Design
- Supreme Picture Quality
- Supreme Sound Quality
- Supreme Convenience Quality
- Convenience for Users

ii
Copyright
©2007 by Samsung Electronics Co., Ltd.
All rights reserved.
This manual may not, in whole or in part, be copied,
photocopied, reproduced, translated, or converted to
any electronic or machine readable form without prior
written permission of Samsung Electronics Co., Ltd.
LE37M86BDX/LE37M86BCX/LE40N87BDX/
LE40M86BCX/LE46M86BDX/LE46M86BCX/
LE52M86BDX/LE52M86BCX Service Manual
First edition June 2007.
Printed in Korea.
Trademarks
Samsung is the registered trademark of Samsung
Electronics Co., Ltd.
LE37M86BDX/LE37M86BCX/LE40N87BDX/
LE40M86BCX/LE46M86BDX/LE46M86BCX/
LE52M86BDX/LE52M86BCX and MacMaster Cable
Adapter are trademarks of Samsung Electronics Co.,
Ltd.
Macintosh, Power Macintosh are trademarks of Apple
Computer, Inc.
All other trademarks are the property of their respective
owners.

11. Precautions………………………………………………………………………………………………………………………………………11-1
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
2. Product specifications …………………………………………………………………………………………………………………………22-1
2-1 Fashion Feature…………………………………………………………………………………………………………………………… 2-1
2-2 LE37M86BDX/LE37M86BCX Specification …………………………………………………………………………………………… 2-2
2-3 LE40M86BDX/LE40M86BCX Specifications ………………………………………………………………………………………… 2-3
2-4 LE46M86BDX/LE46M86BCX Specifications ………………………………………………………………………………………… 2-4
2-5 LE52M86BDX/LE52M86BCX Specifications ………………………………………………………………………………………… 2-5
2-6 Spec Comparison ………………………………………………………………………………………………………………………… 2-6
2-7 Option Specification ……………………………………………………………………………………………………………………… 2-7
3
3. Alignments and Adjustments …………………………………………………………………………………………………………………33-1
3-1 Service Instruction ………………………………………………………………………………………………………………………… 3-1
3-2 How to Access Service Mode …………………………………………………………………………………………………………… 3-2
3-3 Factory Data ……………………………………………………………………………………………………………………………… 3-3
3-4 Service Adjustment ……………………………………………………………………………………………………………………… 3-12
3-5 Servicing Information …………………………………………………………………………………………………………………… 3-15
4
4. Trouble shooting ………………………………………………………………………………………………………………………………44-1
4-1 First Checklist for Troubleshooting ……………………………………………………………………………………………………… 4-1
4-2 Checkpoints by Error Mode ……………………………………………………………………………………………………………… 4-2
5
5. Exploded View and Parts List ………………………………………………………………………………………………………………55-1
5-1 LE37M86BDX/LE37M86BCX Exploded View ………………………………………………………………………………………… 5-1
5-2 LE37M86BDX/LE37M86BCX Parts List ……………………………………………………………………………………………… 5-2
5-3 LE40N87BDX Exploded View …………………………………………………………………………………………………………… 5-3
5-4 LE40N87BDX Parts List ………………………………………………………………………………………………………………… 5-4
5-5 LE46M86BDX/LE46M86BCX Exploded View ………………………………………………………………………………………… 5-5
5-6 LE46M86BDX/LE46M86BCX Parts list ………………………………………………………………………………………………… 5-6
5-7 LE52M86BDX/LE52M86BCX Exploded View ………………………………………………………………………………………… 5-7
5-8 LE52M86BDX/LE52M86BCX Parts List ……………………………………………………………………………………………… 5-8
6
6. Electrical Parts List ……………………………………………………………………………………………………………………………66-1
6-1 LE40N87BDX Parts List …………………………………………………………………………………………………………………6-1
7
7. Block Diagram …………………………………………………………………………………………………………………………………77-1
Contents

88. Wiring Diagram …………………………………………………………………………………………………………………………………88-1
8-1 Wiring Diagram …………………………………………………………………………………………………………………………… 8-1
8-2 Main Board Layout ……………………………………………………………………………………………………………………… 8-2
8-3 PIN characteristic ………………………………………………………………………………………………………………………… 5-3
8-4 Power Board Layout ……………………………………………………………………………………………………………………… 8-6
9
9. Schematic Diagrams ……………………………………………………………………………………………………………………………99-1
10. OOperating Instructions and Installation………………………………………………………………………………………………………110-1
10-1 Front …………………………………………………………………………………………………………………………………… 10-1
10-2 Connection Panel ……………………………………………………………………………………………………………………… 10-2
10-3 Remote Control ………………………………………………………………………………………………………………………… 10-4
10-4 Installing the Stand …………………………………………………………………………………………………………………… 10-5
10-5 Installing the Wall Mount Kit ………………………………………………………………………………………………………… 10-5
1
11. Disassembly and Reassembly ………………………………………………………………………………………………………………111-1
11-1 Disassembly …………………………………………………………………………………………………………………………… 11-1
11-2 Reassembly …………………………………………………………………………………………………………………………… 11-5
1
12. PCB Diagram …………………………………………………………………………………………………………………………………112-1
12-1 Main PCB Layout ……………………………………………………………………………………………………………………… 12-1
12-2 IP Board Diagram 37" ………………………………………………………………………………………………………………… 12-2
12-3 IP Board Diagram 40" ………………………………………………………………………………………………………………… 12-3
12-4 IP Board Diagram 46" ………………………………………………………………………………………………………………… 12-4
12-5 IP Board Diagram 52" ………………………………………………………………………………………………………………… 12-5
1
13. Circuit Descriptions …………………………………………………………………………………………………………………………113-1
13-1 Block description ……………………………………………………………………………………………………………………… 13-1
13-2 Main Block ……………………………………………………………………………………………………………………………… 13-3
13-3 IP Board ………………………………………………………………………………………………………………………………… 13-4
1
14. Reference Infomation ……………………………………………………………………………………………………………………… 114-1
14-1 Technical Terms ……………………………………………………………………………………………………………………… 14-1
14-2 Pin Assignments ……………………………………………………………………………………………………………………… 14-4
14-3 Timing Chart …………………………………………………………………………………………………………………………… 14-7
14-4 Panel Description …………………………………………………………………………………………………………………… 14-11
Contents

Samsung Electronics Co.,Ltd.
416, Maetan-3Dong, Yeongtong-Gu, Suwon City,
Gyeonggi-Do, Korea, 443-742
Printed in Korea
P/N : BN82-00191A-00
URL : http://itself.sec.samsung.co.kr/
- 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.

2 Product Specifications
2-1
2 Product specifications
2-1 Fashion Feature
Clear Full HD
- Full HD Panel with Super Clear Film
Improve Spreker and Bass Sound
- High Frequency sound improve with Reflection Speaker
- 2.2Ch Dome Speaker
- Parametric EQ
Connectivity
- 3 HDMI
- HDMI CEC
Auto Wall Mount
- Set Position Control by Remote Control
Best Picture Quality
- High Contrast Ratio
- High Clarity
- Anti Reflection
Movie Plus
- Film Judder Cancel fucntion
Detailed Settings
- Detail Setting for professional and magazine at Movie mode
HDMI JustScan and PC Support
- Just Scan at HDMI Mode for correct picture size
- PC Timming Support at HDMI Mode
Full HD
- 1080p (1920 x 1080 Pixels)

2 Product Specifications
2-2
2-2 LE37M86BDX/LE37M86BCX Specification
Item
LCD Panel
Scanning Frequency
Display Colors
Description
T370HW02, AMVA 72%, 37inch FHD, 0.42675(H) x 0.42675(W) x 3mm
Horizontal : 30 kHz ~ 80 kHz (Automatic) / Vertical : 56 Hz ~ 75 Hz (Automatic)
16.7 M colours
Analog 0.7 Vp-p ±5% positive at 75Ω , internally terminated
Maximum Resolution
Input Video Signal
166.8 MHz
Maximum Pixel Clock rate
AC 220 ~ 240 V, 50/60 Hz
AC power voltage & Frequencya
200 W ＜1 W
Power Consumption
75Ω
Antenna Input
-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
Sound Characteristic
TV System
Environmental Considerations
Tuning
System
Sound
Frequency Synthesize
PAL, SECEM
MONO, STEREO, NICAM
19Kg
Weight
Set(After installation Stand)
916 x 87 x 595 mm / Without stand
916 x 300 x 654 mm / After installation Stand
Operating Temperature : 50°F ~ 104°F (10°C ~ 40°C)
Operating Humidity : 10 % ~ 80 %
Storage Temperature : -4°F ~ 113°F (-20°C ~ 45°C)
Storage Humidity : 5 % ~ 95 %
Dimensions(W x D x H)
Set
819.36(H) mm / 460.89(V) mm
Active Display
Horizontal/Vertical
Horizontal : 1920 Pixels
Vertical : 1080 Pixels
Input Sync Signal Type : Seperate H/V
Level : TTL level

2 Product Specifications
2-3
2-3 LE40N87BDX Specifications
Item
LCD Panel
Scanning Frequency
Display Colors
Description
LTA400HT-LH1, SPVA 92% ZBD, 40inch FHD, 0.416(H) x 0.154(W) x 3mm
Horizontal : 30 kHz ~ 80 kHz (Automatic) / Vertical : 56 Hz ~ 75 Hz (Automatic)
16.7 M colours
Analog 0.7 Vp-p ±5% positive at 75Ω , internally terminated
Maximum Resolution
Input Video Signal
166.8 MHz
Maximum Pixel Clock rate
AC 220 ~ 240 V, 50/60 Hz
AC power voltage & Frequencya
240 W ＜1W
Power Consumption
75Ω
Antenna Input
-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
Sound Characteristic
TV System
Environmental Considerations
Tuning
System
Sound
Frequency Synthesize
PAL, SECEM
MONO, STEREO, NICAM
22 Kg
Weight
Set(After installation Stand)
1041 X 97 X 615 mm / Without stand
1041 X 290 X 671 mm / After installation Stand
Operating Temperature : 50°F ~ 104°F (10°C ~ 40°C)
Operating Humidity : 10 % ~ 80 %
Storage Temperature : -4°F ~ 113°F (-20°C ~ 45°C)
Storage Humidity : 5 % ~ 95 %
Dimensions(W x D x H)
Set
819.36(H) mm / 460.89(V) mm
Active Display
Horizontal/Vertical
Horizontal : 1920 Pixels
Vertical : 1080 Pixels
Input Sync Signal Type : Seperate H/V
Level : TTL level

2 Product Specifications
2-4
2-4 LE46M86BDX/LE46M86BCX Specifications
Item
LCD Panel
Scanning Frequency
Display Colors
Description
LTA460HT-LH2, SPVA 92% ZBD, 46inch FHD, 0.53025(H) x 0.53025(W) x 3mm
T460HW02 AMVA 92% 46inch FHD, 1018.08(H) x 572.67(V)mm
Horizontal : 30 kHz ~ 80 kHz (Automatic) / Vertical : 56 Hz ~ 75 Hz (Automatic)
16.7 M colours
Analog 0.7 Vp-p ±5% positive at 75Ω , internally terminated
Maximum Resolution
Input Video Signal
166.8 MHz
Maximum Pixel Clock rate
AC 220 ~ 240 V, 50/60 Hz
AC power voltage & Frequencya
260 W ＜1W
Power Consumption
75Ω
Antenna Input
-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
Sound Characteristic
TV System
Environmental Considerations
Tuning
System
Sound
Frequency Synthesize
PAL, SECEM
MONO, STEREO, NICAM
30Kg
Weight
Set(After installation Stand)
1106 x 104 x 706 mm / Without stand
1106 x 326 x 768 mm / After installation Stand
Operating Temperature : 50°F ~ 104°F (10°C ~ 40°C)
Operating Humidity : 10 % ~ 80 %
Storage Temperature : -4°F ~ 113°F (-20°C ~ 45°C)
Storage Humidity : 5 % ~ 95 %
Dimensions(W x D x H)
Set
819.36(H) mm / 460.89(V) mm
Active Display
Horizontal/Vertical
Horizontal : 1920 Pixels
Vertical : 1080 Pixels
Input Sync Signal Type : Seperate H/V
Level : TTL level

2 Product Specifications
2-5
2-5 LE52M86BDX/LE52M86BCX Specifications
Item
LCD Panel
Scanning Frequency
Display Colors
Description
LTA520HA03, SPVA 92% ZBD, 52inch FHD , 0.6(H) x 0.2(W) x 3mm
Horizontal : 30 kHz ~ 80 kHz (Automatic) / Vertical : 56 Hz ~ 75 Hz (Automatic)
16.7 M colours
Analog 0.7 Vp-p ±5% positive at 75Ω , internally terminated
Maximum Resolution
Input Video Signal
166.8 MHz
Maximum Pixel Clock rate
AC 220 ~ 240 V, 50/60 Hz
AC power voltage & Frequencya
310W ＜1W
Power Consumption
75Ω
Antena Input
-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
Sound Characteristic
TV System
Environmental Considerations
Tunning
System
Sound
Frequency Synthesize
PAL, SECEM
MONO, STEREO, NICAM
36Kg
Weight
Set(After installation Stand)
1257 x 111 x 800 mm / Without stand
1257 x 326 x 860 mm / After installation Stand
Operating Temperature : 50°F ~ 104°F (10°C ~ 40°C)
Operating Humidity : 10 % ~ 80 %
Storage Temperature : -4°F ~ 113°F (-20°C ~ 45°C)
Storage Humidity : 5 % ~ 95 %
Dimensions(W x D x H)
Set
819.36(H) mm / 460.89(V) mm
Active Display
Horizontal/Vertical
Horizontal : 1920 Pixels
Vertical : 1080 Pixels
Input Sync Signal Type : Seperate H/V
Level : TTL level

2 Product Specifications
2-6
LE37M86BDX/LE37M86BCX/LE40N87BDX/LE40M86BCX/LE46M86BDX/
LE46M86BCX/LE52M86BDX/LE52M86BCX
Model
Design
Frequency
Horizontal
Vertical
Display Color
30 ~ 61 kHz
56 ~ 75 Hz
16.7 M colours
PC Resolution
Maximum mode
Input Signal
Sync Signal
Video Signal
Power Consumption
Normal
Power Saving 200W / 240W / 260W / 310W < 1W
H/V Separate, TTL, P. or N.
0.7 Vp-p @ 75ohm
WXGA, 1920 x 1080 @ 60 Hz
2-6 Spec Comparison

2 Product Specifications
2-7
2-7 Option Specification
Item Item Name
Remote Control
&
Batteries (AAA x 2)
Power Cord
Cover-Bottom
Stand Screw
X 4
BN59-00603A
3903-000145
37", 40" : BN63-03031B
46", 52" : BN63-03148B
Code.No Remark
Stand
37", 40" :
BN90-001168A
46", 52" :
BN90-001170A
Cleaning Cloth BN63-01798A

2 Product Specifications
2-8
Memo

5 Exploded View & Parts List
5-1
5 Exploded View and Parts List
- You can search for updated part codes through ITSELF web site.
URL : http://itself.sec.samsung.co.kr/
5-1 LE37M86BDX/LE37M86BCX Exploded View
T0003
M0215
M0146
T0447
M0146
M0115 T0175
M0014
M0027
M0013

5 Exploded View & Parts List
5-2
5-2 LE37M86BDX/LE37M86BCX Parts list
Location Code.No Item & Specification Q'ty SA/SNA Remark
T0003 BN96-04637B ASSY COVER P-FRONT;37M86,EO(IDTV),-,ABS+ 1 S.A
T0175 BN96-04771A ASSY SPEAKER P;8ohm,4pin,Enclosure Type, 1 S.A
T0447 BN96-04680C ASSY BRACKET P-PANEL;37M87,AUO,NT,PAL 1 S.N.A
M0215 BN07-00398A LCD-PANEL;T370HW02,8bit,37inch,16.7M,16: 1 S.A
M0014 BN94-01206A ASSY PCB MAIN;LE37M86BDX/* 1 S.A
M0013 BN96-04757A ASSY COVER P-REAR;37M81,EO(IDTV),ABS+PMM 1 S.A
M0013 BN96-04640A ASSY STAND P-BASE;37,40M81,-,ABS+PMMA,HB 1 S.A

5 Exploded View & Parts List
5-3
5-3 LE40N87BDX Exploded View
T0003
M0215
T0175
T0101
T0514
M0014
M0174
M0013
M0013
T0212

5 Exploded View & Parts List
5-4
5-4 LE40N87BDX Parts list
Location Code.No Item & Specification Q'ty SA/SNA Remark
T0003 BN96-05067D ASSY COVER P-FRONT;40N87,EO,ABS+PMMA,HB, 1 S.A
T0175 BN96-04958A ASSY SPEAKER P;8ohm,Tulip side,side type 1 S.A
T0447 BN96-05213D ASSY BRACKET P-PANEL;40N87,EO 1 S.N.A
M0215 BN07-00409A LCD-PANEL;LTA400HT-L01,8bit,40inch,16.7M 1 S.A
M0014 BN94-01312A ASSY PCB MAIN-AM LCD;LE40N86BDX/*AMLCD 1 S.A
M0027 BN96-05088A ASSY STAND P-BASE;TULIP SIDE,40,SESK 1 S.A
M0013 BN96-05091A ASSY COVER P-REAR;TULIP SIDE,40,SESK 1 S.A

5 Exploded View & Parts List
5-5
5-5 LE46M86BDX/LE46M86BCX Exploded View
T0003
M0215
T0447
M0014
M0013
M0107
T0275
M0027
M0146
T0175

5 Exploded View & Parts List
5-6
5-6 LE46M86BDX/LE46M86BCX Parts list
Location Code.No Item & Specification Q'ty SA/SNA Remark
T0003 BN96-04649H ASSY COVER P-FRONT;46M86,EO(IDTV),ABS+PM 1 S.A
T0175 BN96-04771A ASSY SPEAKER P;8ohm,4pin,Enclosure Type, 1 S.A
T0447 BN96-05214B ASSY BRACKET P-PANEL;46M81,EO 1 S.N.A
M0215 BN07-00391A LCD-PANEL; LTA460HT-LH2,10bit,46inch,1.0 1 S.A
M0014 BN94-01206C ASSY PCB MAIN;LE46M86BDX/* 1 S.A
M0013 BN96-04731A ASSY COVER P-REAR;46M81,EO(IDTV),-,ABS+P 1 S.A
M0013 BN96-04648A ASSY STAND P-BASE;46,52M81,-,ABS+PMMA,HB 1 S.A

5 Exploded View & Parts List
5-7
5-7 LE52M86BDX/LE52M86BCX Exploded View
T0003
M0215
M0146
M0107
M0014
M0013
T0275
M0027
T0447
T0175