Sharp LC-39LE440U User Manual

51
[2]POWER MANAGEMENT BLOCK DIAGRAM
There are 1 part circuits in Power board of this project (fig.1), Power circuits which is a single layer board,
There are 3 output in the power parts, one is interface board including USB and TV tuner et; the other is
inverter board and audio circuit.+24V output is inverter part. The system block diagram as below; the last
is panel Vcc and audio, the power is 12V.
DC:24V/1.6A output to Inverter
Standby
DC:5.3V/2A output to IF BD
DC-DC
Rectifier
filter
ACD
DC:12V/2.23A output to
Audio
AC
INPUT
EMI
ACD
(fig.1)

Sharp LC-39LE440U Specifications

General

Display diagonal	39 \
Native aspect ratio	16:9
Native refresh rate	60 Hz
LED backlighting type	Edge-Lit LED
Supported video modes	1080p
Contrast ratio (dynamic)	5000000:1
Viewing angle, horizontal	88 °
3D	No
Analog signal format system	NTSC
Digital signal format system	ATSC
RMS rated power	20 W
Number of speakers	2
DVI port	-
HDMI ports quantity	3
USB 2.0 ports quantity	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0
Product color	Black
AC input voltage	120 V
Power consumption (standby)	1 W

Weight and Dimensions

Depth (with stand)	229.9 mm
Height (with stand)	611.6 mm
Weight (with stand)	18510 g
Depth (without stand)	44.96 mm
Width (without stand)	916.4 mm
Height (without stand)	577.8 mm
Weight (without stand)	16010 g