Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung LCD TV LA46F71B 10_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 (40"/46")
LVDS (30P)
Sound
Inverter DDR amp
Control
(5P)
SVP-LX
DDR
Sound
main Block
Power
micom
(32P)
TUNER
BLOCK
Deburgging Sub HDMI-IC
(5P) micom
JA300
Sub
micom
(5P)
CN300 CN301
CN201_NT
JA301 JA302 JA210 JA209
JA201_NT
CN900 CN101 CN102 CN200 CN305
(15P) (3P) (2P) (14P) (16P)
JA204 JA205 Control Speaker Jack Side AV MMS
8-2
8 Wiring Diagrams
8-3 Main Board Layout (52")
LVDS (24P)
LVDS
(20P)
Sound
Power DDR amp
(32P)
SVP-LX
DDR
main
micom Sound
Inverter Block
Control
(5P)
TUNER
BLOCK
Deburgging Sub HDMI-IC
(5P) micom
JA300
Sub
micom
(5P)
CN300 CN301
CN201_NT
JA301 JA302 JA210 JA209
JA201_NT
CN900 CN101 CN102 CN200
(15P) (3P) (2P) (14P)
JA204 JA205 Control Speaker Jack Side AV
8-3
8 Wiring Diagrams
8-4 PIN characteristic
CN100 - 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
CN101 / CN102 - SPEAKER CONNECTOR
PIN 1 2 3 PIN 1 2
NAME R+ NC R- NAME L+ L-
8-4
8 Wiring Diagrams
CN900 - 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
CN505 - 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%
8-5
8 Wiring Diagrams
LVDS Signal (40"/46")
PIN NAME PIN NAME
1 VDD 16 TXOUTO2-
2 VDD 17 TXOUTO1+
3 VDD 18 TXOUTO1-
4 VDD 19 TXOUTIO0+
5 VDD 20 TXOUTO0-
6 GND 21 TXOUTE3+
7 GND 22 TXOUTE3-
8 GND 23 TXOUTEC+
9 GND 24 TXOUTEC-
10 LVDS OPTION 25 TXOUTE2+
11 TXOUTO3+ 26 TXOUTE2-
12 TXOUTO3- 27 TXOUTE1+
13 TXOUTOC+ 28 TXOUTE1-
14 TXOUTOC- 29 TXOUTE0+
15 TXOUTOC2+ 30 TXOUTE0-
8-6
8 Wiring Diagrams
LVDS Signal (52")
PIN NAME PIN NAME
1 VDD 13 TXOUTO1+
2 VDD 14 TXOUTO2-
3 VDD 15 TXOUTO2+
4 VDD 16 GND
5 VDD 17 TXOUTOC-
6 GND 18 TXOUTOC+
7 GND 19 GND
8 GND 20 TXOUTO3-
9 GND 21 TXOUTO3+
10 TXOUTO0- 22 TXOUTO4-
11 TXOUTO0+ 23 TXOUTO4+
12 TXOUTO1- 24 GND
PIN NAME PIN NAME
1 TXOUTE0- 11 TXOUTE3-
2 TXOUTE0+ 12 TXOUTE3+
3 TXOUTE1- 13 TXOUTE4-
4 TXOUTE1+ 14 TXOUTE4+
5 TXOUTE2- 15 GND
6 TXOUTE2+ 16 NC
7 GND 17 NC
8 TXOUTEC- 18 NC
9 TXOUTEC+ 19 NC
10 GND 20 NC
8-7
8 Wiring Diagrams
8-5 Power Board Layout
CNM803 14PIN CNM802 14PIN
Inverter power supply
Line Filter Multi
1 3
Main Board
Power supply
Stand By
2
AC Input Stand By Main Board Panel
Power supply Control
CN801
CNM801 16PIN CNI804
8-8
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
8-9
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
8-10
8 Wiring Diagrams
CN804 14PIN CN803 14PIN
Inverter power supply
Line Filter Multi
1 3
Main Board
Power supply
Stand By
2
AC Input Stand By Main Board Panel
Power supply Control
CN800
CN801 16PIN CN802
8-11
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
8-12
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
8-13
8 Wiring Diagrams
Memo
8-14
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