Sharp LC-52LE640U User Manual

LC-52/60/70LE640U,C6400U (1st Edition)
6 – 17
No audio (3)
No audio at UHF/VHF broadcast signal reception. No audio at digital broadcast signal reception.
Is TV selected on the input select menu screen? Is TV selected on the input select menu screen?
YES
NO
YES
NO
Refer to “No video at UHF/VHF broadcast signal
reception”.
Refer to “No video at digital broadcast signal
reception”.
Is the audio output selected for “VARIABLE” on the menu screen? If no video appears, refer to “No video at digital broadcast signal
reception”.
YES
NO
Set the audio output to “FIXED”. Is the audio output selected for “VARIABLE” on the menu screen?
YES
NO
Set the audio output to “FIXED”.
Is there the SIF signal output at pin (8) of tuner (TU1105)?
YES
NO
Check the tuner (TU1105) and its peripheral cir-
cuits.
(I2C line: TUNER_SCL/TUNER_SDA, etc.)
Does the SIF signal come from pin (8) of TU1105 (tuner) to pin
(AM24) of IC3303 (CPU)?
YES
NO
Check the line between TU1105 and IC3303, and
their peripheral circuits.
Does the digital audio signal come from pins (Y32/Y31/Y30/V27) (CPU_AOMCLK/AOBCK/AOLRCK/AOSDATA0) of IC3303 (CPU) to pins (5/7/8/6)
(AMP_MCLK/BCLK/LRCLK/DATA_LR) of IC2703 (AMP for L/R)?
YES
NO
Check the line between IC3303 and IC2703 and their peripheral circuits.
Is the audio output from IC2703 as specified? NO Check IC2703 and their peripheral circuits.
YES
Check the connector (P2701) L/R speakers and their peripheral cir-
cuits.

Sharp LC-52LE640U Specifications

General

Display diagonal	52 \
Display brightness	- cd/m²
Native aspect ratio	16:9
Native refresh rate	120 Hz
Supported video modes	1080p
Viewing angle, vertical	176 °
Contrast ratio (dynamic)	4000000:1
Supported graphics resolutions	1920 x 1080 (HD 1080)
3D	No
Placement supported	Horizontal
Product color	Black
Panel mounting interface	- mm
Tuner type	Analog & digital
Analog signal format system	NTSC
Digital signal format system	ATSC
RMS rated power	20 W
Number of speakers	2
HDCP	-
HDMI version	1.4
HDMI ports quantity	4
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
S-Video inputs quantity	0
Component video (YPbPr/YCbCr) in	1
AC input voltage	120 V
AC input frequency	60 Hz
Power consumption (standby)	- W
Power consumption (typical)	150 W
Sustainability certificates	ENERGY STAR

Weight and Dimensions

Depth (with stand)	333 mm
Height (with stand)	771 mm
Weight (with stand)	25500 g
Depth (without stand)	72 mm
Width (without stand)	1208 mm
Height (without stand)	739 mm
Weight (without stand)	22500 g