September LCD TV 47LX9500
93
MAIN BOARD SECTION
MAIN BOARD SECTION
The Main board receives its operational B+ from the Power Supply via P8000.
There are a single LVDS cable that feeds the Video to the T-CON/3D (TFT Driver) board that drives
the Panel. The LVDS cable carries the 20 bit LVDS Video and the TruMotion (Motion Estimated
Motion Compensated) video. The Main board also includes the Tuner, Audio and Audio/Video inputs
and selection circuits.
STAND-BY
•
STBY 3.5V (P8000 pins 9~12)
The Main board also develops several B+ sources on the board.
LVDS
•
Panel_VCC (12V Not generated, but switched
from the 12V arriving from the SMPS.
AUDIO (IC8801)
•
1.8V
•
3.3V
BCM IC900 Video Processors
•
1.2V
IC9701 Tru-Motion and Local Dimming IC.
•
1.26V_MEMC, 1.5V_MEMC,
D1.5V, D1.8V, and 3.3V
RUN
•
12V pins 13, 19 and 21.
•
24V pins 2-4.
TUNER and VSB CIRCUIT (Made from the 12V)
•
5V_Normal which is used to make 5V TU
•
5V_TU
•
3.3V_TU
•
1.26V_TU
STAND-BY VOLTAGES
•
3.3V_ST (Voltage direct from SMPS)
GENERAL
•
5V_Normal
•
5V USB
Input Voltages from SMPS.
WIRELESS VOLTAGES
•
24V (Switched from 24V from SMPS)
