Sharp LC-52LE700E Service Manual

LC-32/40/46LE700E/RU/S,LU700E/S,LX700E/RU,LC-52LE700E/RU/S
6 – 16
<During external connection> No picture on the monitor (2-1)
No picture appears on EXT1/EXT2 connected monitor during the DTV reception.
Is CVBS signal output into pin (19) of EXT1 (SC503) from pin(67)
of IC504 (TUNER OUT)?
YES Check the setting of an external input device that connects with
EXT1.
Is CVBS signal output into pin (19) of EXT2 (SC502) from pin(65)
of IC508 (MONITOR OUT)?
YES Check the setting of an external input device that connects with
EXT2.
NO
Is CVBS signal input to pin (6) of IC504 from pin(2) of IC507
(MUX)?
YES Check the IC504 and their peripheral circuits.
NO
Is TUNER_CVBS signal input to pin (4) of IC507 from pin(AK24/
CVBS_TU_OUT) of IC3302
(Digital AV decode & Main CPU)?
YES Check the IC507 and their peripheral circuits.
NO
Is IF signal sent to p(AA29/D__IF_P, AB29/D__IF_N) of
IC3302(Digital AV decode & Main CPU)?
YES Check the IC3302 and their peripheral circuits.
NO
Is IF signal output from pins(16, 17) of TU1101? YES Check the line between TU1101 and IC3302.
NO
Whether the TUNER circuit operates correctly is checked.
<During external connection> No picture on the monitor (2-2)
No picture appears on EXT1/EXT2 connected monitor during the DTV reception.
Is CVBS signal output into pin (19) of EXT1 (SC503) from pin(67)
of IC504 (TUNER OUT)?
YES Check the setting of an external input device that connects with
EXT1.
Is CVBS signal output into pin (19) of EXT2 (SC502) from pin(65)
of IC508 (MONITOR OUT)?
YES Check the setting of an external input device that connects with
EXT2.
NO
Is CVBS signal output into pin(1) of IC508 from pin(AJ24/
CVBS_MONI_OUT) of IC3302
(Digital AV decode & Main CPU)?
YES Check the IC508 and their peripheral circuits.
NO
Is IF signal sent to p(AA29/D__IF_P, AB29/D__IF_N) of
IC3302(Digital AV decode & Main CPU)?
YES Check the IC3302 and their peripheral circuits.
NO
Is IF signal output from pins(16, 17) of TU1101? YES Check the line between TU1101 and IC3302.
NO
Whether the TUNER circuit operates correctly is checked.

Sharp LC-52LE700E Specifications

General

Display diagonal	52 \
Display brightness	450 cd/m²
Display technology	LCD
Native aspect ratio	16:9
Viewable size diagonal	1320 mm
Contrast ratio (dynamic)	3000000:1
Contrast ratio (typical)	4000:1
Viewing angle, horizontal	176 °
Power requirements	AC 220-240 V / 50 Hz
RS-232 ports	1
HDMI ports quantity	4
SCART ports quantity	2
Component video (YPbPr/YCbCr) in	3
Product color	Black
Tuner type	Analog & digital
Analog signal format system	NTSC

Weight and Dimensions

Depth (without stand)	95 mm
Width (without stand)	1238 mm
Height (without stand)	765 mm
Weight (without stand)	27600 g