Sanyo LCD-47XR7H Скачать руководство пользователя страница 15 | Manualshive

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Note: Do not cut off the power or turn off the unit during the burning process, 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 Gprobe shows as the following icon.

Now just click the icon of

to show below icon.

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Содержание LCD-47XR7H

Страница 1: ...FILE NO LCD 47XR7H PRODUCT CODE No 1 682 344 07 PAL SECAM REFERENCE No SM0915016 SERVICE MANUAL LCD TV ...

Страница 2: ...ment 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 Exploded view 1 3 7 14 15 16 32 33 41 ...

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 onc...

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: ...en 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 Input HDMI signal check if the display is normal at HDMI1 and HDMI2 check sound and each function such as analog control etc Input VGA signal and check the display at PC status check each function suc...

Страница 6: ...stment 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 b Input 5V to TP1 and 0V to TP2 input 38 9m IF signal to J1 use IF signal generator adjust L10 to let X08 be 1 6V c Input 0V to TP1 and 5V to TP2 input 33 5m IF signal to J1 use IF signal generator a...

Страница 7: ...l 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 S connect AUDIO VIDEO OUT to the monitor and check if the sound and the picture of the AUDIO OUT are normal 4 4 SCART terminal 4 4 1 check the content of SCART OUTPUT Separate input signal at the sta...

Страница 8: ...2 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 1920X1080 50Hz 1080P 50 10 1920X1080 60Hz 1080P 60 970 No Resolution Picture element clock MHz H SYNC kHz V SYNC Hz Remark 1 640X480 60 885 25 175 31 47 59 94 2 640X480 72 851 31 500 37 86 85 08 3 640X480 ...

Страница 9: ...x 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 of software updating are as follows 1 Install Gprobe 5 0 The first Double click the GProbe5 1 0 0 15_S0006 EXE 09A to install it According to the prompt of Windows and follow the steps one by one to...

Страница 10: ...ashWrite 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 VGA cable connect the other end to the VGA interface of the LCD 6 Turn on the LCD Double click to run Gprobe5 ...

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: ...llowing 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 following screen ...

Страница 15: ...ocess 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 Gprobe shows as the following icon Now just click the icon of to show below icon ...

Страница 16: ...14 Block diagram ...

Страница 17: ...orking 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 IF IC ...

Страница 18: ...cooperate 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 interface is configurable for single wide TTL LVDS 18 24 or 30 bit RGB or dual wide TTL 18 24 bit RGB LVDS 18 24 or 30 bit RGB FY use the dual wide LVDS 30 bit RGB to support the 1080P panel 2 TV mod...

Страница 19: ...17 ...

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

Страница 21: ...to 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 signal via front processor to SSS switch the sound of main channel will output I2S OUT to FLI8548 as a signal of SYNC DELAY then sent back to SSS switch to SGTV5830 digital processing module DAP after p...

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 occupy the I2S terminal SYNC DELAY is needless SGVT5830 output MAIN L R to sound amplifier MPS7722 then to speaker 4 Audio amplifier MPS7722 The MPS7722 is a dual ended 20W Class D Audio Amplifier with 2...

Страница 23: ...21 ...

Страница 24: ...4 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 7 5 6nF 720KHz 24 MPS7722 33 0 30 4 330 10 1 8nF 700KHz 24 MPS7722 5 NJW1109 IN a b HP L R SCL SDA SCL_ 5V SDA_ 5V Out A B earphone output V 9V power supply 6 High definition module ...

Страница 25: ...d 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 auto test ...

Страница 26: ...upport 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 support 1080P input I2S output Built in MCU GPIP control ACC Adaptive Contrast and Color ACM Active Color Management DCDI Dynamic mode test ...

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: ...e 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 output by the control of Standby signal and stop working of PFC circuit L6563 and semi bridge TEA1610T When turn on it makes all the IC working and output voltage L1653 PFC power factor correct TEA161...

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

Страница 31: ...29 ...

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

Страница 33: ...31 ...

Страница 34: ...ce 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 TV board backlight power switch Wiring diagram 32 ...

Страница 35: ...nterfered 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 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 front of the ...

Страница 36: ...y 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 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 rece...

Страница 37: ...ircuit 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 the fore circuit No Check the correlative circuit Check if the voltage of C533 is about 395V less than 370V is abnormal Yes No Check L6563 and its periphery include the VCC Check N512 and its periphe...

Страница 38: ...k 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 power supply of main CPU DDR CB47 3 3V CS80 1 8V C434 2 5V NB10 NS03 N404 and their periphery have problem Main CPU NS02 DDR N400 N402 FLASH NA02 or their periphery have problem Power board no output or...

Страница 39: ...VDS 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 X13 has wave Speaker damaged If sound processing IC has output C116 C117 Audio amplifier and the circuit has problem Check the power supply 6 MUTE 14 19 Sound processing IC N03 and its periphery has pr...

Страница 40: ...ing 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 to this socket has problem NS02 or the periphery circuit of AV input have problem If X09 4 input signal If N04 12 of TV board has output signal If X09 4 input signal N04 emitter follow circuit and N07...

Страница 41: ...cuit 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 Check if NA01 5 has signal The path between YPbPr socket and NA01 has problem NA01 or the periphery has problem NA03 and its periphery has problem Yes No Yes No Yes No Yes No ...

Страница 42: ...c 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 around HDMI input has problem NB14 or its periphery has problem If one channel HDMI no picture The path from NB14 or HDMI socket to NB14 has problem Yes No Yes No Yes No Yes No Yes No No Yes ...

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Страница 49: ...KEY II R ...

Страница 50: ...power ...

Страница 51: ...TV5830 5275830002 TDA4470 5274470001 MPS7722 5277722001 SCART connection board XI6FY0144610 Key board XI6FY0050510 Interface connection board XI6FY0052910 IR board XI6FY0050910 Power board XI6FN0052010 Remote control XI6010J01101 Panel XI5203478503 V470H1 L03 RC J11 0A APPENDIX A Main assembly LCD 47XR7H MAIN COMPONENT AND IT S NO ...

Страница 52: ...APPENDIX B Exploded view LCD 47XR7H ...

Страница 53: ...face connection board 4 Video processing board 5 SCART connection board 6 Screen 7 IR board 8 Key board 9 Front cabinet 10 Power switch 11 Speaker 12 Power board 13 Main board 14 User manual 15 Remote Control PART LIST OF EXPLODED VIEW LCD 47XR7H ...

Страница 54: ...0 Infrared R eceiving Board 1 8 XI6FY0050510 Key Board 1 9 XI5Q327R 010C Front Cabinet 1 10 XI5293000042 Power S witch 1 11 XI6170692060 S peaker R L same 1 12 XI6FN0052010 Power Board 1 13 XI6FY0050110 Main Board 1 14 XI5944030060 User Manual 1 S ep 07 LCD 47XR7H S tand Back Cabinet Interface Connecting Board S cart Connection Board S creen ver 1 0 CMO V470H1 L03 XI6010J01101 R emote Control 1 15...

Страница 55: ...Aug 2007 30 CPS ...

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