DOWNLOAD Sharp LC-19LE320E Service Manual ↓ Size: 40.22 MB | Pages: 127 in PDF or view online for FREE

         2008-03-14 

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320 

 125 

Does not the picture of the HDMI signal input to HDMI3 go out?

 

MINI AV_UNIT:

  

 

      ↓ 

 

 

↓ 

 

YES

 

 

 

 

 

 

    

 

↓NO 

YES

 

  

 

 

                                                           

YES

 

 

 

 

 

 

      

↓

YES 

 

 

 

<External input VGA>No picture on the display (9) 

↓

 

Does not the picture of the PC IN(ANALOG) video signal input to VGA(15pin-D-SUB terminal) go out?

 

TERMINAL_UNIT:

   

    ↓ 

 

 

MAIN_UNIT: 

 

    

↓YES 

 

 

 

 

 

    

↓YES 

 

 

 
 
 

<External input AV1(Component)>No picture on the display (10) 

↓

  

Does not the picture of the component video signal input to Component go out?

 

TERMINAL_UNIT:

    

    ↓ 

 

 

MAIN_UNIT: 

 

    

↓YES 

 

 

 

 

 

    

↓YES 

 

 
 
 
 

NO 

 

Is R/G/B/H/V signal sent to pin (1)/R, (2)/G, (3)/B, (14)/H, (13)/V of 
VGA (CN101)?

 

NO 

 

Check the setting of an external input device that connects of 
CN101.

 

Refer to “The picture doesn't appear in all modes.”

 

Is R/G/B/H/V signal sent to pin (AT25)/R, (AU24)/G, (AT23)/B, 
(AR22)/H, (AU22)/V of IC U401?

 

NO 

 

Check the line between IC U401 and CN101.

Is the HOT_PLUG detection function of pin (19) of a HDMI terminal 
(CN506) normal?

 

Check the line between pin (35) of IC U501 and CN506.

Refer to “The picture doesn't appear in all modes.”

 

Check the connection and setup with the external HDMI devices.

Are EDID data pin (6)(SCL) of IC U504 (EEPROM), pin (5)(SDA)  
accessed, and is it read from pin (15), pin (16) of a HDMI terminal 
(CN506)?

 

NO 

 

Is access possible in the re-writing or exchange of EDID data of 
IC U504?

 

Check CN506, IC U504 and peripheral circuits.

Is TMDS signal input into pin(48, 47)/RX3-2±,(45, 44)/RX3-1±, (42, 
41)/RX3-0±, (39, 38)/RX3-C± of IC U501?

Check the line between IC U501 and CN506.

NO 

 

Is TMDS signal output from pin(17, 18)/ 2±,(20, 21)/ 1±, (23, 24)/ 0±, 
(26, 27)/ C± of IC U501?

 

Check IC U501 and peripheral circuits.

 

NO 

 

Is Component Y/Pb/Pr signal sent to pin (2)/Y, (4)/Pb, (6)/Pr of 
AV1(CN111) ?

 

NO 

 

Check the setting of an external input device that connects of 
CN111.

 

Refer to “The picture doesn't appear in all modes.”

 

Is Component Y/Pb/Pr signal sent to pin (AU26)/Y, (AT27)/Pb, 
(AP27)/Pr of IC U401?

 

NO 

 

Check the line between IC U401 and CN111.

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320 

126  

< During external connection > No picture on the monitor (1) 

↓

  

No picture appears on SCART1 - connected monitor during the tuner (U/V) reception.

 

↓

  

 

 

 

 

 

TERMINAL_UNIT:

    

    ↓ 

 

 

 

 

 

     

↓NO 

 

 

 

 

 

    

↓NO 

 

 

 
 
 

 

< During external connection > No picture on the monitor (2) 

SCART2:  

 

     

↓

  

No picture from SCART1 appears on SCART2-connected monitor. 
NOTE:  Normally, if the screen during display is sent to SCART2, no picture is sent to SCART2.

 

↓

  

 

 

 

 

 

TERMINAL_UNIT:

    

   ↓ 

 

 

 

 

 

    

↓NO 

 

 

 

 

 

   

↓NO 

 

 

 
 

 
 
 

Is CVBS signal output into pin (19) of CN151 (SCART1)?

 

YES 

 

Check the setting of an external input device that connects of 
CN151.

 

Refer to “The picture doesn't appear in all modes.”

 

Is U401 pin (AT31) CVBS signal output into pin (19) of CN151 
(SCART1)?

 

YES 

 

Check the line between CN151 and U401.

Checklist: 
1)  Is the Signal Type (item) in MENU-Option-Input Select equal to Signal Type of an external device? …Set it to “CVBS”, “Y/C”, “RGB”, “AUTO”. 
2)  Is ANT-CABLE disconnected or connected improperly? …Connect it correctly as per the operation manual. 
3)  The picture is sent to the monitor in a CVBS signal if the source during display is ATV/DTV, CVBS or Y/C of SCART1, AV3. 

When sent by component, etc., that signal is not sent to the monitor. 

4)  When the monitor picture is not sent and is not displayed on the monitor, refer to “No picture” for each terminal. 
5)  The video output from SCART1 is not the monitor output (output of the picture now watching). 

The picture of the last selected TV channel is always sent to SCART1. (Specification)

Is CVBS signal output into pin (19) of CN152 (SCART2)?

 

YES 

 

Check the setting of an external input device that connects of 
CN152.

 

Refer to “The picture doesn't appear in all modes.”

 

Is CVBS signal output from pin (AP31) of IC U401 into pin (19) of 
CN152 (SCART2)?

 

YES 

 

Check the line between CN152 and IC U401.

Checklist: 
1)  Is the Signal Type (item) in MENU-Option-Input Select equal to Signal Type of an external device? …Set it to “CVBS”, “Y/C”, “AUTO”. 
2)  The picture is sent to the monitor in a CVBS signal if the source during display is TV, CVBS or Y/C of SCART1-2, AV3. 

When sent by component, etc., that signal is not sent to the monitor. 

3)  When the monitor picture is not sent and is not displayed on the monitor, refer to “No picture” for each terminal. 
4)  The video output from SCART1 is not the monitor output (output of the picture now watching). 

The picture of the last selected TV channel is always sent to SCART1. (Specification)

         2008-03-14 

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320 

 127 

CHAPTER 5. 

 

 

[1] MAJOR IC INFORMATIONS 

 

1. MAJOR IC INFORMATIONS 

The MediaTek MT5363LICG family is a backend decoder and a TV controller and offers high integration for advanced applications. It combines a 

transport de-multiplexer, a high definition video decoder, an AC3 audio decoder, a dual-link LVDS transmitter, and an NTSC/PAL/SECAM TV decoder with 

The MT5363LICG supports most Full-HD video decoder standards, including H.264, MPEG4, MPEG2 and 

JPEG. The MT5363LICG also supports MediaTek MDDi

TM

 de-interlace solution can reach very smooth picture quality for motions. A 3D comb filter added 

to the TV decoder recovers great details for still pictures. The special color processing technology provides natural, deep colors and true studio quality 

video. Also, the MT5363LICG family has built-in high resolution and high-quality audio codec

. 

: The MT5363LICG family enables true single-chip experience. It integrates high-quality HDMI1.3, high speed 

VGA ADC, dual-channel LVDS, USB2.0 receiver and multi-media decoder. 

 

1. 

DVB-T demodulator  

2. 

A transport demultiplexer 

3. 

A multi-standard video decoder 

4. 

An AC3/MPEG2 audio decoder 

5. HDMI1.3 

receiver 

6. Audio 

codec 

7. Support 

networking 

GENERAL FEATURE LIST 

ARM11 

16K I-Cache and 16K D-Cache 

4KB Instruction TCM 

JTAG ICE interface 

Watch Dog timers 

Build-in CPI analyzer and Cache Hit Rate Meter 

Supports New generation 2 demux design   

Supports one parallel or two serial transport stream input(s) and each rate could up to 80Mbps 

Supports one serial/parallel transport stream output and its rate could up to 72Mbps 

Supports ATSC, DVB, MPEG-2, MPEG-4, and H.264 transport stream and MPEG-2 program stream demultiplexing 

Supports independent TS record and TS playback at the same time with independent data structure (PID setting/configuration/status) 

Supports TS time-shifting and/or background record functions with computation power for up to 3 TS processes  

Supports time stamp insertion for TS record and time stamp remove for TS playback 

Supports DES (64-bit key ECB/CBC) / 3-DES (192 bit key ECB/CBC) / DVB-CSA / AES (128/192/256-bit key ECB/CBC) / Multi-2 de-scramblers for TS 

Up to 8-PID even/odd descrambled keys for each of two transport stream sources (one from demodulator and the other from DRAM) 

Supports AES (128/192/256-bit key ECB/CBC) record encryption and playback decryption 

Supports AES (128/192/256-bit key ECB/CBC/CTR) encryption/decryption for all kinds of stream 

Supports up to 8-PID even/odd descrambled keys for record encryption and playback decryption 

Supports 32 PID filters for record only and 32 PID filters for playback   

Supports up to 32 section filters and also positive / negative / mask section filtering scheme  

Supports hardware CRC-32 calculation for all kinds of streams 

LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320 

128  

Supports DVB-CI 1.0, DVB-CI+, and CableCARD 2.0 (both S-mode and M-mode) 

Supports simple trick play (Playback / Pause / Fast Forward (up to x32)) through USB or Flash 

Supports AVI format data playback with DivX DRM decryption and WMV format data playback with ND (Network Device) DRM 

Supports I/P/B picture or other start code search function 

Supports a stream processor for stream process and video data start code detection 

MPEG2 MP@ML, MP@HL and MPEG-1 video standards   

Supports de-blocking filter 

ASP@L0~L5 (1920x1088 @ 30 fps) 

[email protected], [email protected], BP@L3 (baseline) video standard 

RV8 / 9 /10 

JPEG (base-line or progressive) 

Supports multiple color modes  

Point, horizontal/vertical line primitive drawings 

Rectangle fill and gradient fill functions 

Bitblt with transparent options  

Alpha blending and alpha composition Bitblt  

Stretch Bitblt 

Font rendering by color expansion 

YCbCr to RGB color space conversion 

Supports 16bpp/32bpp direct color format. 

Supports 420/422 video format. 

Supports 420/422/444 JPEG format. 

Arbitrary ratio vertical/horizontal scaling of video, from 1/128X to 128X  

Simple DMA. 

Two linking list OSDs with multiple color mode and both of them have scaler 

Supports video capture and over scan. 

Flesh tone management 

Gamma correction 

De-mosquito and de-blocking engine for all AV inputs 

Built-in motion-adaptive 3D Noise Reduction  

Color Transient Improvement (CTI) 

2D Peaking 

Saturation/hue adjustment 

Brightness and contrast adjustment 

Black and White level extender  

Adaptive Luma/Chroma management 

Automatic detect film or video source 

3:2/2:2 pull down source detection 

Supports maximum 1920 width motion-adaptive de-interlace.  

Supports excellent low angle image processing.