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XOCECO LC-47FY36S, Руководство по обслуживанию

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Содержание LC-47FY36S

Страница 1: ...LCD TELEVISION LC 42 47FY36S...

Страница 2: ...ent instructions Software upgrade method Block diagram Working principle analysis of the unit IC block diagram Wiring diagram Troubleshooting Schematic diagram APPENDIX A Assembly list APPENDIX B Expl...

Страница 3: ...ill 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 modu...

Страница 4: ...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...

Страница 5: ...n check each function of TV such as station missing system identify analog control etc check the output of headphone and speaker Input SCART AV S signal then check each function of all the terminals I...

Страница 6: ...tment a Base on 3 3 a connect 6 pin wire of power board and X04 of TV board press POWER on the remote control now the indicator light of IR board turns blue TEST PIN2 of X04 to be 5V PIN4 9V L07 3 3V...

Страница 7: ...4 2 SCART AV S terminal Input SCART1 RGB CVBS SCART2 CVBS YC AV S signal check if the picture and sound are normal 4 3 AUDIO OUT VIDEO OUT terminal Separate input signal at the status of TV SCART AV...

Страница 8: ...720X4843 60Hz 480P 978 3 702X574 50Hz 576i 969 4 756X557 50Hz 576P 979 5 1280X720 50Hz 720P 50 5 SET 6 1280X720 60Hz 720P 60 976 7 1920X1080 50Hz 1080i 50 1 SET 8 1920X1080 60Hz 1080i 60 972 9 1920X1...

Страница 9: ...Method of software upgrading The FY series models enable you to update software through the serial interface Hardware requirements 1 One serial cable with female end and female end 2 One PC set Steps...

Страница 10: ...shWrite C isp_fastflash 20y25 hex save them and close 4 Set the LCD to off Connect the Y updating board and PC with parallel cable 5 Connect the VGA MONITOR interface on the Y updating board with the...

Страница 11: ...9 Click the icon of Set the Device to Parallel Then click the item of Delays and Buffer Size...

Страница 12: ...10 Set Long to 50000 ms Click the item of Parallel Set Clock to 120000 Hz...

Страница 13: ...11 7 Click Batch Select the path of the File bat txt Select bat txt and click to open it Click OK to start the process of burning the program...

Страница 14: ...lowing screen appears when the process if finished If you want to update the software next time you just need to click the pull down menu to select the desired Batch file and execute it in the followi...

Страница 15: ...cess or the flash may be damaged Check the following if you fail to update 1 Check whether all cables are properly connected If LCD is turn on 2 Check the settings of Gprobe 3 It is wrong if the Gprob...

Страница 16: ...14 Block diagram...

Страница 17: ...rking principle analysis of the unit The unit has two modules video module and sound module The diagram is show as fig 1 and fig 2 Fig1 diagram of video module Fig2 diagram of sound module SAW Pre IF...

Страница 18: ...ooperate to perform PIP each other The function of PIP can only realize by the signals input from the three terminals A B and C All the signals via FLI8548 processing to the panel directly the output...

Страница 19: ...17...

Страница 20: ...18 3 Sound module SGTV5830 Multistandard TV Audio Processor The diagram is below...

Страница 21: ...o output to ADC then to SSS SOURCE SELECT SWITCH to output selection Output pins MAIN OUT MAIN OUT HP OUT TV OUT AOUT0 HP AOUT1 AV OUT AOUT2 SCART1 MONITOR OUT I2SA OUT I2S OUTPUT All of the sound sig...

Страница 22: ...al of SYNC DELAY is that when process the picture and sound at the same time the process of image is much more complex and needs more time so they may no sync When HDMI act as the main picture and occ...

Страница 23: ...21...

Страница 24: ...7 6 8nF 660KHz 12 MPS7722 17 4 24 8 82 4 7 3 3nF 660KHz 12 MPS7722 5 6 15 0 56 10 8 2nF 670KHz 24 MPS7722 8 2 18 3 82 10 5 6nF 720KHz 24 MPS7722 11 9 21 5 56 4 7 8 2nF 670KHz 24 MPS7722 17 4 24 8 82 4...

Страница 25: ...YPBPR via switch PI5V330 to CAT9983 D A convert CAT9983 has a 150M band width three groups ADC with 8 bit MICROVISON support YPBPR 1080P input CAT9983 Note pin COAST and CLAMP connected to ground for...

Страница 26: ...pport digital 1080P input FSHDMI04 with ESD diagram is below 8 FLI8545 system module Feature 3D comb filter support multi system TV signal and MICROVISION Integrated triple 10 bit ADC HDMI receiver su...

Страница 27: ...25...

Страница 28: ...26 9 Other Power control The unit adopts a PHILP power control IC which works at standby and the power consumption below 1W it also realizes the on time turn off on...

Страница 29: ...way via standby circuit isolation D D convert FSDH321 output 5VAND 32V another way via semi bridge circuit TEA1610T output 24V 18V ect At standby power board send out Vsb 3 3V to cut off 5VSC 32VSC o...

Страница 30: ...28 L6563 block diagram is below...

Страница 31: ...29...

Страница 32: ...30 TEA1610T block diagram is below...

Страница 33: ...31...

Страница 34: ...e control power supply of main board power supply board control main board key board upgrade board IR receive board TV board interface board to speaker power supply of audio amplifier power supply of...

Страница 35: ...terfered possibly by the equipment like transmitting antenna non professional radio station and cellular phone 2 TV set Symptoms Possible cause Unable to switch the power on Check to see if the power...

Страница 36: ...Check if the 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...

Страница 37: ...rcuit of fuse and rectifier No DC output Vsb normal Check 32VSC 5VSC No Check if Standby is high level Yes Check if 24VCF 24VSC 18VSC is normal Yes No Check N504 and the correlative circuit Yes Check...

Страница 38: ...9V of XB7 1 on main board Power board no output or 9V short to the ground IR board has problem Indicator light is damaged There is problem lie in IR board Check XB7 5V of 3 and 18V of 5 Check the pow...

Страница 39: ...DS power supply of C415 is normal N403 and its periphery has problem If X403 has LVDS wave output Main CPU NS02 LVDS have problem Problem lies in LVDS wire or panel If audio amplifier has output if X1...

Страница 40: ...ng IC has output C27 C29 Audio amplifier and the circuit has problem Check the power supply 6 MUTE Turn on again after power off and check if the audio amplifier protection The path from AV terminal t...

Страница 41: ...uit around SCART1 input has problem Check if X203 7 on SCART board has signal NS02 or the circuit around SCART1 input has problem The path from SCART2 socket to X203 has problem If RA26 input signal C...

Страница 42: ...signal NB14 and its periphery has problem The path between VGA and NB14 has problem Check if HDCP KEY flash written Write HDCP KEY If NB13 pin 28 30 33 35 38 40 43 45output signal NS02 or the circuit...

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Страница 49: ...KEY II R...

Страница 50: ...42 power...

Страница 51: ...47 power...

Страница 52: ...anel 5203428504 NAME NO Main board 6FY0050110 NS02 NA03 FLI8548 5278548001 CAT9983 5279983001 Video processing board 6FY0054010 N03 N04 N08 SGTV5830 5275830002 TDA4470 5274470001 MPS7722 5277722001 AV...

Страница 53: ...APPENDIX Exploded view LC 42x36...

Страница 54: ...oard frame 15 high frequency board 16 main board 17 key board 18 AV baffle left 19 back cabinet 20 back cover 21 stand 22 speaker 23 side AV conncetion board 24 AV baffle right 25 interface baffle 26...

Страница 55: ...APPENDIX B Exploded view LC 47X36...

Страница 56: ...ket down 16 column bracket 17 baffle 18 power board 19 terminal baffle 20 SCART connection board 21 video processing board 22 back cover 23 stand 24 back cabinet 25 main board 26 DVB T digital board 2...

Страница 57: ...9242FY3615 Ver 1 0...

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