Samsung LE15E31S User manual

TFT-LCD TV CONTENTS
1. Precautions
2. Product Specifications
3. Disassembly & Reassembly
4. Alignment & Adjustments
5. Troubleshooting
6. Exploded View & Parts List
7. Electrical Parts List
8. Block Diagram
9. Wiring Diagram
10. PCB Layout
11. Schematic Diagrams
12. Panel Description
TFT-LCD TV
Chassis Model
AE15EO LE15E31S
Manual
SERVICE

LE15E31S 9-1
9 Wiring Diagram
CN703
CN601
CN600
CN907
CN902CN903
CN100
GND
SW_Inverter
GND
5V
5V
-
GND
GND
14V
14V
GND 5V 5V GND GND TX0 TX0 GND TX1
TX1 GND TX2 TX2 GND TX3 TX3 GND TX4 TX4 GND -
+ + + +
+
- - - - -
1234
GND GND OUT-R OUT-R
1234
GND OUT-L - OUT-L
1234
GND
5
GND Sound L out Sound R In Sound R out
1234
GND
5
ID Cb Sound L In
6
GND GND S_Video_Y S_Video_C
1234
GND
5
-
6
U1913CN900CN908
GND Audio-R Audio-R GND
123
VIdeo-CVBS Video-CVBS GND
1234
Audio-L
5
Audio-L
6 78
GND NC Y NC GND GND Cr BL In GND GND Video Out Video In GND
9
10
1112131415161718192021
5678910111213141516171819202122
1
2
3
4
5
6
7
8
9
LED-GRN
LED-RED
-
3.3V
IR
GND
IDENT_HP
HP-L
HP-R
1
2
3
4
5
6
7
8
9GND
KEY 1
KEY 2
10
11
12 GND
GND
13
14
CN909
GND
PC_AR
PC_AL
PC_AL
PC_AL
PC_AR
PC_AR
4
5
6
7
8
9
10
PC_SCL D SUB_V D SUB_H
PC_SDA GND IDENT_PC DC_5V GND GND GND GND GND PC_Blue PC_Green PC_Red
123456789101112131415

LE15E31S 11-1
11 Schematic Diagrams
11 Schematic Diagrams
❈ This Document can not be used without Samsung’s authorization.
11-1 Input Power Sound Schematic Diagram

LE15E31S 11-3
11 Schematic Diagrams
❈ This Document can not be used without Samsung’s authorization.
11-2 Video Decoder Schematic Diagram

LE15E31S 11-5
11 Schematic Diagrams
❈ This Document can not be used without Samsung’s authorization.
11-3 Output Scaler, LVDS Schematic Diagram

11 Schematic Diagrams
11-6 LE15E31S
❈ This Document can not be used without Samsung’s authorization.
11-4 Power Supply, Inverter Board Schematic Diagram
5V
220pF
C 819
1kV
S V C 56 1D-1 0A
VX 802S
VX 801S
S V C 56 1D-1 0A
3. 9ohm
R 809
1/2W
5V
12V
12V
12V

LE15E31S 11-7
11 Schematic Diagrams
❈ This Document can not be used without Samsung’s authorization.
11-5 Power Supply, Inverter Board Schematic Diagram

11 Schematic Diagrams
11-8 LE15E31S
❈ This Document can not be used without Samsung’s authorization.
11-6 IR Board Schematic Diagram