Sanyo LCD-19XR7 Скачать руководство пользователя страница 9 | Manualshive

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7

Block diagram

VGA

YPbPr

SCART1-RGB

SCART1-V

SCART1-L/R

L/R-VGA

L/R-YPbPr

L/R

TUNER

TV-SIF

TV-V

SCART1-V OUT

TV-L/R

SCART1-L/R OUT

HDTV SW.

PI5V330

LCD TV
CONTROLLER

MST9E19A

AUDIO AMP.

R2S15102NP

EEPROM

FLASH

PANEL

SPEAKER

EDID

24C02

IF AMP

TDA4470

POWER MEG.

ATMEG8L

2*AMP

SAW

PRE AMP

PRE AMP

LM358D

PRE AMP

LM358D

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Содержание LCD-19XR7

Страница 1: ...FILE NO LCD 19XR7 PRODUCT CODE No 1 682 343 87 PAL SECAM LCD 20XR7 PRODUCT CODE No 1 682 343 88 SANYO INDIA REFERENCE No SM0915015 SERVICE MANUAL LCD TV ...

Страница 2: ...instructions Adjustment instruction working principle analysis block diagram IC block diagram Wiring diagram Troubleshooting guide Schematic diagram APPENDIX A Assembly list APPENDIX B Exploded view 1 3 6 7 8 13 14 20 ...

Страница 3: ... will result 2 5 If any foreign substance such as water liquid metal slices or other matters happens to fall into the module be sure to cut the power off immediately and do not move anything on the module lest it should cause fire or electric shock due to contact with the high voltage or short circuit 2 6 Should there be smoke abnormal smell or sound from the module please shut the power off at on...

Страница 4: ...0 85 Scope for storage 10 90 2 13 Display of a fixed picture for a long time may result in appearance of picture residue on the screen as commonly called ghost shadow The extent of the residual picture varies with the maker of LCD screen This phenomenon doesn t represent failure This ghost shadow may remain in the picture for a period of time several minutes But when operating it please avoid disp...

Страница 5: ...st value items press MENU continuously to exit 3 1 Initialization Enter factory menu select OPTION EEPROM and HOTEL OPTION sub menu adjustment of items to see table1 Table1 sub menu adjustment Items Preset Introduce HOTEL 0 1 HOTEL OPTION of factory menu is optional 0 HOTEL OPTION of factory menu is not optional LOGO 1 1 display LOGO in no signal or turn on 0 no LOGO display ADC PRESCALE 046 Softw...

Страница 6: ...A white balance correct a Input VG 848 signal to VGA TIMING854 800 600 60Hz 8 level gray scale of PAT920 adjust the balance with CA210 b Enter COLOR TEMP sub menu and select color temperature of standard 9300K c Fixed B GAIN adjust R GAIN G GAIN to let the color coordinate of the seventh level be 285 293 Fixed B OFF adjust R OFF G OFF to let the color coordinate of the second level be 285 293 and ...

Страница 7: ...gnal of 640X480 60 Hz and check if the display is normal 5 4 check sound channel Check the speaker of each channel 5 5 other function check Check the turn on turn off timer asleep timer picture sound mode OSD freeze mute stereo ect 5 6 presetting before ex factory Item Setting Item Setting Item Setting PICTURE MODE STANDARD BALANCE 50 OSD LANGUAGE English COLOR MODE NORMAL VOLUME 50 OSD HPOSITION ...

Страница 8: ...W19A too Video signal of YPbPr and Video RGB of SCART1 via video switch N5 PI5V330 selection to MST9E19A Video V CVBS of SCART1 and the audio signal L R of YPbPr and SCART1 also sent to MST9E19A The main IC NS2 MST9E19A is a high performance and fully integrated IC which can realize video demodulating video switch selection A D and D A conversion interlace de interlace processing modes conversion ...

Страница 9: ... L R VGA L R YPbPr L R TUNER TV SIF TV V SCART1 V OUT TV L R SCART1 L R OUT HDTV SW PI5V330 LCD TV CONTROLLER MST9E19A AUDIO AMP R2S15102NP EEPROM FLASH PANEL SPEAKER EDID 24C02 IF AMP TDA4470 POWER MEG ATMEG8L 2 AMP SAW PRE AMP PRE AMP LM358D PRE AMP LM358D ...

Страница 10: ...DC PLL an integrated DVI HDCP HDMI receiver a multi standard TV video and audio decoder a video de interlacer a scaling engine the MStarACE 3 color engine an on screen display controller an 8 bit MCU and a built in output panel interface To further reduce system costs the MST9E19A also integrates intelligent power management control capability for green mode requirements and spread spectrum suppor...

Страница 11: ...a Digital Power Amplifier IC developed for TV R2S15102NP can realize maximum Power 10W X 2ch VD 24V THD 10 SE at 8Ω load It is possible to replace from the conventional analog amplifier system to the digital amplifier system easily ...

Страница 12: ...10 ...

Страница 13: ... for multi standard video sound IF VIF SIF signal processing in TV VCR and multimedia applications The circuit processed all TV video IF signals with negative modulation e g B G standard positive modulation e g L standard and the AM FM NICAM sound IF signals ...

Страница 14: ...12 ...

Страница 15: ...panel key board IR board power board main board pin pin pin pin pin Wiring diagram 13 ...

Страница 16: ...nd if interfered possibly by the equipment like transmitting antenna non professional radio station and cellular phone 1 2 TV set Symptoms Possible cause Unable to switch the power on Check to see if the power plug has been inserted properly into the socket No picture and sound Check to see if the power supply of liquid crystal TV has been switched on As can be indicated by the red LED at the fron...

Страница 17: ... batteries are installed in the reverse order Check if the battery is effective Check the distance or angle from the monitor Check if there is any obstruct between the remote control and the TV set Check if the remote control signal receiving window is exposed to strong fluorescence No picture and sound but only hash Check if the antenna cable is correctly connected or if it has received the video...

Страница 18: ...l Check STANDBY circuit of power supply board Press POWER button in the unit or sensor control and check the indicator Check if the PIN9 10 of XB1 in main board is high level Check if the PIN11 of XB1 in main board is low level Check power supply board Check back light board yes no no red blue no yes Replace NS2 no yes Check N801 and its peripheral circuit ...

Страница 19: ...he TV turn on again display picture Adjust main board again Which is no signal of channels Replace main board Check if 1VPP signal and noise wave of TP1 in the TV board Check if output IF signal of TUN1 pin 11 is normal Check TUNER401 and its periphery Check IF N3 and its periphery no yes yes VGA YPRPB SCART TV yes no no no yes Does display OSD menu in screen when press menu button yes no yes no ...

Страница 20: ...f NV1 is normal Check power supply Check PIN5 and PIN11 output wave of NV1 Check PIN24 wave of N3 Check PIN11 wave of TUN1 Check TUN1 and its periphery Check NV1 and its periphery Check NS2 and its periphery Check N3 and its periphery no yes no yes yes yes no no ...

Страница 21: ...main board ...

Страница 22: ...main board ...

Страница 23: ...main board ...

Страница 24: ...main board ...

Страница 25: ...main board ...

Страница 26: ......

Страница 27: ...back light board ...

Страница 28: ...9E19A 5270919001 R2S15102NP 5271510201 Key board XI6HU0050510 IR board XI6HU0050910 Backlight board XI6LY0121410 Power board XI6HU0042010 Remote control XI6010Y03507 Panel XI5203196503 RC Y35 0F M190A1 L02 APPENDIX A Main assembly LCD 19XR7 MAIN COMPONENT AND IT S NO ...

Страница 29: ......

Страница 30: ...een 2 Front cover 3 Speaker 4 Main board 5 Back cabinet 6 Stand 7 Power switch 8 Key board 9 Back light board 10 Power board 11 Infrared receiving board 12 User manual 13 Remote Control PART LIST OF EXPLODED VIEW LCD 19XR7 ...

Страница 31: ...35020 1 4 XI6HU04601S 0 Main Board 1 5 XI5HP32BH020 1 6 XI6151080100 1 7 XI5293000042 Power S witch 1 8 XI6HU0050510 Key Board 1 9 XI6LY0121410 Back Light Board 1 10 XI6HU0042010 Power Board 1 11 XI6HU0050910 Infrared R eceiving Board 1 12 XI5944029420 User Manual 1 13 XI6010Y03507 R emote Control 1 S ep 07 LCD 19XR7 S creen Front Cover S peaker Bottom Back Cabinet S tand ver 1 0 CMO M190A1 L02 ...

Страница 32: ...Jun 2007 30 CPS ...

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