Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for Sanyo LCD-42XR8KH
Summary of Contents for Sanyo LCD-42XR8KH
-
Page 2: Table Of Contents
CONTENTS CONTE Safety precautions………………………………………………………………………..… Alignment instructions …………………………….…….………………………………… Working principle analysis of the unit……………………………….………….…………. Block diagram…………………………………..………………………………….………… IC block diagram………………………………………………………………………..…… Wiring diagram ……………………………………………………………………………. Troubleshooting guide ………………………………………………………………..…… Schematic diagram………………………………………………………………………… APPENDIX-A: Assembly list APPENDIX-B: Exploded View... -
Page 3: Safety Precautions
Attention: A A tten ion This service manual is only for service personnel to take reference with. Before se vice y fo ser onne ence with servicing please read the following points carefully. Safety precautions 1. Instructions Be sure to switch off the power supply before replacing or welding any components inserting/plugging in connection wire Anti static measures to be taken (throughout the entire production process!): a) Do not touch here and there by hand at will;... - Page 4 would be unable to work and no way to get it repaired. would be un able to w ork a nd n o way et it r epair If the connection wires, connectors or components fixed by the thermotropic glue need to disengage If the onne ctio...
-
Page 5: Alignment Instructions
Alignment instructions Alig nment nstructi n 1. Test equipment PM5518 (video signal generator) VG-848 (VGA and HDMI signal generator) CA210 (color analyzer) 2 Alignment flow-chart The alignment flow-chart is shown as fig-1 Check DDC, HDCP KEY, FLASH Combined test for general assembly Factory initialization setup IF channel AFT voltage of TV and AGC voltage adjustment White balance adjustment... - Page 6 SIF PRESCALE adjust according the power consumption adjus t acco wer co nsum tion BACK LIGHT K LIG Adjust according the screen ALL COLOR 1: white balance of each channel auto offset based on the HDMI white balance 0: white balance of each channel adjust the offset base separately 0: no upgrade on line 1: upgrade on line NO STANDY...
- Page 7 normal, if not, set ALL COLOR to 0 and fine adjust according the method of 3.3.2. norm , if n , se t ALL L CO to 0 a ne a djust the m metho od of 3.3.2 Note: it can’t set back to 1 once ALL COLOR changes to 0. Note: back to 1...
-
Page 8: Working Principle Analysis Of The Unit
Working principle analysis of the unit king pr ncip p le a a ysis of the unit The RF signal received by antenna will be sent to tuner TUN601, then IF signal will be obtained through high amplified and mixed frequency. After pre-intermediate amplified by V608, it will be sent to acoustic surface-wave Z605 to do IF filter and get better IF characteristics, then it will be sent to N602 (TDA4470) to do intermediate amplification, phase-lock loop VCO and synchronous wave detection to get the video signal TV-V;... -
Page 9: Block Diagram
Block diagram Block di gram EDID EDID 24C02 24C02 PS321 HDMI 1/2/3 L/R-VGA FLASH YPbPr (DTV) LCD TV EEPROM CONTROLLER SCART1-RGB SCART1-AV HDCP KEY MST9E89DL SCART1-L/R AUDIO SW. SCART2-L/R HEF4052 L/R-YPbPr PANEL L/R-AV/S SCART2-Y SCART2-C SC C C C A A R AUDIO AMP. -
Page 10: Ic Block Diagram
IC block diagram IC b ock diagram m 1. MST9E89DL The MST9E89DL is a high performance and fully integrated IC for multi-function LCD monitor/TV with resolutions up to full HD (1920x1080). It is configured with an integrated triple-ADC/PLL, an integrated DVI/HDCP/HDMI receiver, a multi-standard TV video and audio decoder, two video de-interlacers, two scaling engines, the MStarACE-3 color engine, an on-screen display controller, an 8-bit MCU and a built-in output panel interface. - Page 11 2. TDA4470 2 2 . TDA4470...
- Page 12 3. TPA3120D2 The TPA3120D2 is a 20-W (per channel) efficient, Class-D audio power amplifier for driving stereo single ended speakers or mono bridge tied load. The TPA3120D2 can drive stereo speakers as low as 4 . The efficiency of the TPA3120D2 eliminates the need for an external heat sink when playing music.
-
Page 14: Wiring Diagram
Wiring diagram Wiri ng d ag am power board power board IR board panel output main power key, IR tuner power amplifier power audio output main board m m ai... - Page 15 Trouble shooting Trou ble hooting 1. Fault clearance Before servicing please check to find the possible causes of the troubles according to the table below. 1.1 Antenna (signal): Picture is out of focus or jumping Bad status in signal receiving Poor signal Check if there are failures with the electrical connector or the antenna.
- Page 16 signal types. sign nal ty Picture too bright and there is Pictu e too b i and ther Check if the contrast setting is too high. ck if st se distortion in the brightest area Possibly the output quality of DVD broadcaster is set too high.
-
Page 17: Troubleshooting Guide
2. Troubleshooting guide 2. Tr uble oting g gu de 2.1. No raster 2.1. N o ra Connect the power, check if the red indicator is light in STANDBY? Check if X403 PIN9 (5V) of Press POWER button on the main board is normal? unit or remote sensor control and check the indicator. - Page 18 2.2. Have raster, but no picture 2.2. H ave aster, but no o pi ture Check if the unit button Does display remote control menu in screen when operation? press menu button? Check if the all channels have no signal? HDMI/VGA/YPRPB Enter factory-menu,...
- Page 19 2.3. No sound 2.3. N o so nd Check the voltage of Check the wave of Check N203 and N203 pin1, 3, 10, 12, pin 5, 6 of N203 its periphery 19, 20 Check the wave of Check N304 and Check power board N602 pin 24 its periphery...
-
Page 20: Schematic Diagram
MIAN BOARD... - Page 21 MIAN BOARD...
- Page 22 MIAN BOARD...
- Page 23 MIAN BOARD...
- Page 24 MIAN BOARD...
- Page 25 MIAN BOARD...
- Page 26 INTERFACE CONNECTION...
- Page 30 APPENDIX-A: Main assembly LCD-42XR8KH NDIX-A Main n ass s embly LCD-42XR8K MAIN COMPONENT AND IT'S NO. NAME N304 MST9E89DL (5270989005) Main board XI6HK02001A0 N602 TDK4470MFL (5274470001) TPA3120-D2 (5273120001) N203 SCART connection board XI6FY0064610 Key board XI6HE0130510 IR board XI6HU0230910 Power board...
-
Page 31: Appendix-B: Exploded View
APPENDIX-B: Exploded view (LCD-42XR8KH) APPENDIX-B: Exploded v v iew (LCD-42... - Page 32 PART LIST OF EXPLODED VIEW LIS O EXP DED VIEW DESCRIPTION Front cabinet Speaker Panel Power board SCART connection board Back cabinet Stand IR board Key board Main board User manual Remote Control...
- Page 33 PART LIST LCD-42XR8KH ver. REF.No. PARTS No. DESCRIPION Q'TY REMARK XI5Q240W0020 Front cabinet XI5501206002 Speaker XI5203428305 Panel 1 AU T420HW04 V2 XI6HU0422010 Power board XI6FY0064610 SCART connection board XI5H240WH02B Back cabinet XI6151130010 Stand XI6HU0230910 IR board XI6HE0130510 Key board XI6HK02001A0...