Samsung LE23R71BH 10 Wiring Diagram

8-1

8 Wiring Diagrams

RX2+

GND

RX2-

RX1+

GND

RX1-

RX0+

GND

RX0-

RXC+

GND

RXC-

HDMI_CECNCDDC_SCL_HDMI

DDC_SDA_HDMI

GND

IDENT_HDMI

HDMI_HPDNCGND

8 Wiring Diag ram

8-1 Wiring Diagr am

8 Wiring Diagrams

8-2

8-2 Main Board Layout

8-3

8 Wiring Diagrams

8-3 PIN characteristic

CN801 - 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 B12VSB12VS 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

CN621 / CN622 - SPEAKER CONNECTOR

PIN 1 2 3

NAME R+ NC R-

PIN 1 2

NAME L+ L-

8 Wiring Diagrams

8-4

CN802 - Front control

PIN 1 2 3 4 5 6 7 8 9 10 11 12 13

NAME GND GND A5V_1 GND KEY KEY GND IDENT IR HP HP LED GND

INPUT1 INPUT2

HP 7414

OUT_L OUT_R

Function Define

- A5V Front board Control Voltage.

- 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

CN815 - 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%