Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung LCD TV LA46N71B 10_Wiring Diagram
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8 Wiring Diagrams
8 Wiring Diagram
8-1 LA32N71BX / LA40N71BX / LA46N71BX Wiring Diagram
8-1
8 Wiring Diagrams
8-2 Main Board Layout
JA2005
JA2001
8-2
8 Wiring Diagrams
8-3 PIN characteristic
CN800 - 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
CN600 / CN601 - SPEAKER CONNECTOR
PIN 1 2 3 PIN 1 2
NAME R+ NC R- NAME L+ L-
8-3
8 Wiring Diagrams
CN221 - Front control
PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
NAME SDA-T SCL-T GND KEY LED GND A5V GND IR KEY KEY GND IDENT HP-L HP-R
INPUT1 INPUT1 INPUT2 HP
Function Define
- A5V Front control board poewr supply
- KEY INPUT1,2 Key control, from the memu, change up/down Etc.
- IR Remote control signal
- LED Control the timing and stand by LED color
CN501 - Panel control
PIN 1 2 3 4 5
NAME SW_inverter Ana_dimming PWM_dimming GND Sense_Power
Function Define
- SW_inverter panel inverter control, about 3.3V
- Ana_dimming panel dimming control
- PWM_dimming panel PWM control, duty 40% ~ 90%
8-4
8 Wiring Diagrams
LVDS Signal
PIN NAME PIN NAME
1 VDD 23 TXOUTO4+
2 VDD 24 GND
3 VDD
4 VDD
5 VDD
6 GND
7 GND
8 GND
9 GND
10 TXOUTO0-
11 TXOUTO0+
12 TXOUTO1-
13 TXOUTO1+
14 TXOUTO2-
15 TXOUTO2+
16 GND
17 TXOUTOC-
18 TXOUTOC+
19 GND
20 TXOUTO3-
21 TXOUTO3+
22 TXOUTO4-
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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