Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung LCD TV LE40N73BD 14_Wiring Diagram
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8 Wiring Diagrams
8 Wiring Diagram
8-1 Wiring Diagram
8-1
8 Wiring Diagrams
8-2 Main Board Layout
8-2
8 Wiring Diagrams
8-3 PIN characteristic
CN5006 - Main Board power supply
PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
NAME SW GND GND GND GND A5V A5V A5V A5V A5V GND GND B12VS B12VS GND GND
POWER
PIN 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
NAME GND GND B5V B5V B5V B5V GND GND GND GND B12V B12V B12V B12V GND GND
Function Define
- B12V B12V_CHN, B9V, B8V, B5V_VCCT
- B5V B33V, B5V_VCCA, B3.3VD, B2.5V_VDD, B1.8VD, PX_VD1.8, PX_VA1.8, PX_VL1.8, B1.2VD
- B12VS B12VS
- A5V A5V_1, A3.3V
CN1002 / CN1003 - SPEAKER CONNECTOR
PIN 1 2 3 PIN 1 2
NAME R-OUT NOP R-REFERENCE NAME L-OUT L-REFERENCE
8-3
8 Wiring Diagrams
CN5001 - Front control
PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
NAME GND GND A5V - KEY KEY GND - IR - LED_ LED_ GND SDA SCL
INPUT1 INPUT2 GREEN RED
Function Define
- A5V Front control board poewr supply
- KEY INPUT1,2/SDA/SCL Key control, from the memu, change up/down Etc.
- IR Remote control signal
- LED_GREEN/LED_RED Control the timing and stand by LED color
CN4002 - Panel control
PIN 1 2 3 4 5
NAME SW_inverter Ana_dimming PWM_dimming GND Sensor_Power
Function Define
- SW_inverter panel inverter control, about 5V
- Ana_dimming panel dimming control
- PWM_dimming panel PWM control, duty 40% ~ 90%
- Sensor Power brightness sensor power supply
8-4
8 Wiring Diagrams
CN5005[pin#25~#44] - NEO MOSEL LVDS Signal
PIN NAME PIN NAME
1 VDD 23 TXOUTO4+
2 VDD 24 GND
3 VDD 25 TXOUTE0-
4 VDD 26 TXOUTE0+
5 VDD 27 TXOUTO1-
6 GND 28 TXOUTO1+
7 GND 29 TXOUTO2-
8 GND 30 TXOUTO2+
9 GND 31 GND
10 TXOUTO0- 32 TXOUTOC-
11 TXOUTO0+ 33 TXOUTOC+
12 TXOUTO1- 34 GND
13 TXOUTO1+ 35 TXOUTO3-
14 TXOUTO2- 36 TXOUTO3+
15 TXOUTO2+ 37 TXOUTO4-
16 GND 38 TXOUTO4+
17 TXOUTOC- 39 GND
18 TXOUTOC+ 40 CTRL1
19 GND 41 CTRL2
20 TXOUTO3- 42 CTRL3
21 TXOUTO3+ 43 LVDS OPTION
22 TXOUTO4- 44 DOC OPTION
8-5
8 Wiring Diagrams
8-4 Power Board Layout
8-6
8 Wiring Diagrams
CN801 - AC Input
PIN I 2
NAME Live Netural
VOLTAGE AC AC
Functing Define
- Refer to : AC Input
CN801 - Main Board power supply
PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
NAME 13V GND 5.4V 5.4V 5.4V GND GND GND 12V 12V 12V GND GND GND ST7V PWR
Functing Define
- ST7V Stand-By Output
- PWR Power On/Off Control
- Refer to : CN801 function define
CNM804 - Panel control
PIN 1 2 3 4 5
NAME SW_inverter Ana_dimming PWM_dimming GND SENSOR POWER
Functing Define
- Refer to : CN815 function define
8-7
8 Wiring Diagrams
CN802 - Inverter power supply
PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14
NAME 24V 24V 24V 24V 24V GND GND GND GND GND GND B/L A_D P_D
Functing Define
- AMLCD Panel Inverter Power
- 24V LAMP INVERTER Voltage
- B/L Brightness sensor power
- A_D ANA_DIMMING
- P_D PWM_DIMMING
CN803 - Inverter power supply
PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14
NAME 24V 24V 24V 24V 24V GND GND GND GND GND A_D B/L P_D GND
Functing Define
- AUO Panel Inverter Power
- 24V LAMP INVERTER Voltage
- B/L Brightness sensor power
- A_D ANA_DIMMING
- P_D PWM_DIMMING
8-8
8 Wiring Diagrams
8-9
8 Wiring Diagrams
CN801 - AC Input
PIN I 2
NAME Live Netural
VOLTAGE AC AC
Functing Define
- Refer to : AC Input
CN801 - Main Board power supply
PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
NAME 13V GND 5.4V 5.4V 5.4V GND GND GND 12V 12V 12V GND GND GND ST7V PWR
Functing Define
- ST7V Stand-By Output
- PWR Power On/Off Control
- Refer to : CN801 function define
CNM804 - Panel control
PIN 1 2 3 4 5
NAME SW_inverter Ana_dimming PWM_dimming GND SENSOR POWER
Functing Define
- Refer to : CN815 function define
8-10
8 Wiring Diagrams
CN803 - Inverter power supply
PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14
NAME 24V 24V 24V 24V 24V GND GND GND GND GND GND B/L A_D P_D
Functing Define
- AMLCD Panel Inverter Power
- 24V LAMP INVERTER Voltage
- B/L Brightness sensor power
- A_D ANA_DIMMING
- P_D PWM_DIMMING
CN804 - Inverter power supply
PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14
NAME 24V 24V 24V 24V 24V GND GND GND GND GND B/D P_L GND B/L
Functing Define
- CMO Panel Inverter Power
- 24V LAMP INVERTER Voltage
- B/L Brightness sensor power
- P_D PWM_DIMMING
8-11
8 Wiring Diagrams
Memo
8-12
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