Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung LCD TV LE32-37-40S62B LE32-37-40S62B_ch_gsa32-37-40heu 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
CONTROL
CN701
CN702 30PIN
PANEL
LVDS JACK
POWER SUPPILY
CN101 16PIN
MT8202
BLOCK
CN501
TUNER
D D BLOCK
D D
R R
MT8293 AMP
HDMI IC
JA207_EU
JA304
JA302
JA202_EU
JA201 JA203
JA307 JA306 CN102 15PIN CN802 CN801
CONTROL SPEAKER JACK
JA303_OP JA301_27 JA305_27
8-2
8 Wiring Diagrams
8-3 PIN characteristic
CN101 - Main Board power supply
PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
NAME B12V GND B5V B5V B5V GND GND GND B12VS B12VS B12VS GND GND GND A5V A5V
Function Define
- B12V B8V, B5V-T
- B5V B5V-1, B5V, 5V-P, B1.8V
- B12VS B12VS
- A5V A5V, A3.3V-3, A3.3V, A3.3V-1, B3.3V, A1.8V
CN600 / CN601 - SPEAKER CONNECTOR
PIN 1 2 3 PIN 1 2
NAME R+ NC R- NAME L+ L-
8-3
8 Wiring Diagrams
CN102 - Front control
PIN No 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/SDA/SCL Key control, from the memu, change up/down Etc.
- IR Remote control signal
- LED Control the timing and stand by LED color
CN701 - Panel control
PIN 1 2 3 4 5
NAME SW_inverter Ana_dimming PWM_dimming GND GND
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
CN702 - LVDS Signal
PIN NAME PIN NAME
1 VCC 16 TXOUTCLK +
2 VCC5P 17 TXOUTCLK -
3 VCC5P 18 GND
4 VCC5P 19 TXOUT2 +
5 VCC5P 20 TXOUT2 -
6 GND 21 GND
7 GND 22 TXOUT1 +
8 NOP (NOT USE) 23 TXOUT1 -
9 SDA 1 24 GND
10 SCL 1 25 TXOUT0 +
11 PANEL_SYNC_EN 26 TXOUT0 -
12 GND 27 GND
13 TXOUT3 + 28 SW_INVERTER
14 TXOUT3 - 29 ANA_DIMMING
15 GND 30 PWM_DIMMING
8-5
8 Wiring Diagrams
8-4 Power Block Layout
CN803 14PIN CN802 14PIN
LAMP power supply
Line filter Multi
1 3
Main Board
Power supply
Stand By
2
Stand by
Main Board Panel
AC Input
Power supply Control
CN801 CNM801 24PIN CN804
8-6
8 Wiring Diagrams
CN801 - AC Input
PIN 1 2
NAME Live Netural
VOLTAGE AC AC
Functing Define
- Refer to : AC Input
CNM801 - Main Board power supply
PIN No 1 2 3 4 5 6 7 8 9 10 11 12
Signal POWER- N/C STBY GND- GND- GND- 13V 13V GND- GND- GND- GND-
ON/OFF STBY 13V 13V 5V 5V 5V 5V
PIN No 13 14 15 16 17 18 19 20 21 22 23 24
Signal 5V 5V 5V 5V GND- GND- GND- GND- 12V 12V N.C N.C
12V 12V 12V 12V
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 Ana_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 NC BL ADIM PWM
Functing Define
- AMLCD Panel Inverter Power
- 24V LAMP INVERTER Voltage
- BL Brightness sensor power
- ADIM ANA_DIMMING
- PWM 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 ADIM BL PWM GND
Functing Define
- AUO Panel Inverter Power
- 24V LAMP INVERTER Voltage
- ADIM Brightness sensor power
- PWM PWM_DIMMING
8-8
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