Sanyo LED-24XR113D Service Manual Download Page 37 | Manualshive

Page: 37 / 52

background image

2

．

No picture, but backlight is normal:

Yes

Yes

No

No

Yes TV

有

No

No

Yes

Can the TV set be

controlled by keys on

remote control or the unit?

Do no channel

have picture at

all?

Enter into factory menu to initialize

EEPROM, then cut off main power

and then turn on the TV set again,

check if there is picture?

Replace the main

board

Readjust the

main board.

Press key MENU,

can OSD display

normally?

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Summary of Contents for LED-24XR113D

Page 1: ...SERVICE MANUAL PRODUCT CODE No 1 682 351 56 PAL B G Australia FILE NO PRODUCT CODE No REFERENCE No SM0915208 LED 24XR113D NTSC AV LED LCD TV with 3D Function INPUT ...

Page 2: ...upgrade instructions Working principle analysis Block diagram IC block diagram Wiring diagram Troubleshooting flow chart Schematic diagram APPENDIX A Assembly list APPENDIX B Exploded View 3 5 12 15 17 18 21 22 25 Assembling the Stand WALL MOUNTING INSTRUCTIONS ...

Page 3: ... bad effect 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 powe...

Page 4: ...n range 20 85 Storage range 10 90 2 13 Display of a fixed picture for a long time may cause a permanent after image on the screen as commonly called ghost shadow The degree of the after image 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 displaying sti...

Page 5: ...ly IR Key board assembly backlight board assembly correctly supply with power press button to power on the TV set Test voltage of socket X601 each pin on the main board Voltage value and range are listed as Table 1 a for LCD size 26 voltage value and range are listed as Table 1 b for non 3D LCD LED size 24 voltage value and range are listed as Table 1 c for LED size 26 voltage value and range are ...

Page 6: ...C OAD etc Default settings before shipment Input HDMI signal check display and all functions such as analog parameter H V center etc Check USB multimedia port and Music port Check accessory and packing Check if EDID HDCP KEY FLASH has been written General assembly and combined adjustment White balance adjustment Input central signal check TV function omitted channel analog parameters control etc c...

Page 7: ...or digital program manually by performing item DTV of menu Channel k Factory menu item EEPROM Init to be used for initializing factory data and user date the TV set will restart when carrying out the item l Factory menu item Aging Mode to be used for aging the TV set red green blue and white full screen picture displays in turn default setting is OFF m Factory menu item Other Settings including se...

Page 8: ... chromatic coordinates is 295 305 referenced settings of Warm color temperature is 6500K and chromatic coordinates is 313 329 For TV model 24 default settings of COOL color temperature is 12000K and chromatic coordinates is 272 278 referenced settings of Normal color temperature is 9300K and chromatic coordinates is 285 293 referenced settings of Warm color temperature is 6500K and chromatic coord...

Page 9: ... will affect X value but affect Lv value slightly adjust R Gain Offset upward coordinates of X will increase adjust R Gain Offset downward coordinates of X will decrease G Gain Offset adjust G Gain Offset will affect Y value and affect Lv value greatly adjust G Gain Offset upward coordinates of Y will increase adjust G Gain Offset downward coordinates of Y will decrease Note Sanyo customer require...

Page 10: ...5 4 D SUB port Input D SUB signal from VG 849 with formats listed as Table 4 separately check picture and sound if H V of picture displays abnormally enter into main menu items Picture Screen Auto Adjust to perform auto calibration Table 4 D SUB signal formats No Definition H Freq kHz V Freq Hz Dot pulse Freq MHz Note 1 640 480 31 469 59 94 25 175 IBM 2 720 400 31 469 70 086 28 322 IBM 3 640 480 3...

Page 11: ...e for TV model with multimedia processing function and for TV model without multimedia processing function pay attention not to connect movable HD to USB port directly 5 6 1 PVR function Insert a formatted U disk in which recorded programs have been saved press key Record List to choose and play programs check picture sound and other functions 5 6 2 Time Shifting function Insert a formatted U disk...

Page 12: ...k HDMI ARC e Check HDMI CEC f Check OAD for special customer 6 User Menu Setting before Ex factory Enter into LOCK page of user menu and choose submenu item Restore Factory Default to perform presetting before shipment a Clear out all programs b Clear out information of VCHIP parent control etc c Default user analog parameters setting d Recover default password e Set Menu Language as English 7 Sof...

Page 13: ...n main board The Unit upgrading connect both VGA ports of ISP and main board enter into factory menu and set ISP Mode as ON 2 Use Mstar upgrading instrument V4 4 2 0 or higher version enter into menu Device tick off WP Pin pull to high during ISP to make sure Flash hardware write protection is removed and erasing process is normal please refer to Fig 2 Fig 2 Write protection setting 3 Press menu C...

Page 14: ...grading file 5 Press Auto tick off All chip program and other necessary options please refer to Fig 5 Fig 5 Options 6 Press Run shown as Fig 4 to perform upgrading in two steps Erase and Program please refer to Fig 6 normal upgrading processes are described as follow Fig 6 Upgrading processes ...

Page 15: ... on the TV set and make sure the current channel is ATV or DTV without OSD interface then insert U disk to USB port of the unit a First press key INPUT then press keys 2 5 8 0 in turn to enter into primary factory menu b Choose USB SW Update to begin upgrading 4 Upgrading processes a Read data from U disk while data indicator light of U disk is twinkling at the same time b Upgrading flash then the...

Page 16: ...y DEVICE shown as Fig 9 to select company name MICROCHIP then press key OK select type MPU MCU and corresponding adapter type PICF12615 then press key Run then wait until interface as Fig 10 displays Fig 9 Chip selection interface DEVICE 选择厂家 MICROCHIP 选择芯片型号 PICF12615 选择 MPU MCU ...

Page 17: ...menu File select item Load File to programmer buffer shown as Fig 11 Select Intel HEX FF and other options according to settings shown within red frame of Fig 12 then press key OK Fig 11 Upgrading file selection Fig 12 Setup interface ...

Page 18: ...to and Configuration ID data select options according to settings shown within red frame of Fig 13 Fig 13 Option setting interface 5 Press Run to begin upgrading after completing setup Fig 14 Upgrading interface ...

Page 19: ... MSD309PX decoder and video processor then sent to chip 6M30QSR to be processed in the end LVDS signal is outputted to drive display panel Audio channel demultiplexing digital audio signal is processed by MSD309PX decoder and audio processor then double sound track analog audio signal stereo is outputted to MSD309PX to be processed by preamplifier acoustic effect processor and volume controller to...

Page 20: ...d and then outputted to earphone jack the digital part of signal I2S is sent to digital audio power amplifier TAS5711 to be processed by D A converter and power amplifier then outputted to drive speakers 6 SPDIF input signal flow SPDIF audio signal is sent to main chip MSD309PX to be processed by acoustic effect processor volume controller and digital audio coder then is outputted 7 Brief instruct...

Page 21: ...ut for VGA and DVI Mini Phone Jack One group of YPBPR input and RCA L R input One group of RF One group of RS232 Mini Phone Jack One group of Earphone output Mini Phone Jack One group of SPDIF coaxial output One group of USB ...

Page 22: ...09PX LF VIF SIF HDMI1 w ARC HDMI2 HDMI3 VGA YPbPr Video In YPbPr Audio In VGA Audio In SPDIF IN AV Audio In RS 232 USB TAS5711 Audio Amplfier I2S LVDS DDR2 512Mbit X 2PCS Flash IR KEY POWER SUPPLY MAX232 MEMC 6M30QSR Block Diagram ...

Page 23: ... Two full duplex UARTs Supports USB and ISP programming DMA Engine Transport Stream De multiplexer Supports parallel and serial TS interface with or without sync signal Supports TS input and output for external CI module Maximum TS data rate is 104 Mb sec for serial or 16 MB sec for parallel 32 general purpose PID filters and section filters for each transport stream de multiplexer Supports additi...

Page 24: ... spec Hardware JPEG Supports sequential mode single scan Supports both color and grayscale pictures Following the file header scan the hardware decoder fully handles the decode process Supports programmable Region of Interest ROI Supports formats 422 411 420 444 422T Supports scaling down ratios 1 2 1 4 1 8 Supports picture rotation NTSC PAL SECAM Video Decoder Supports NTSC M NTSC J NTSC 4 43 PAL...

Page 25: ... Encoder for transcoding streams to Dolby Digital 5 1 DDCO Supports MPEG Audio Dolby Digital Dolby Digital Plus format AD Audio Description Supports PVR and time shifting Audio Interface One SIF audio input interface with minimal external saw filters Four L R audio line inputs Two L R outputs for main speakers and additional line outputs Supports stereo headphone driver I2S digital audio input out...

Page 26: ...ng engine Nonlinear video scaling supports various modes including Panorama Supports dynamic scaling for VC 1 High Quality DTV video processor 3D motion video deinterlacer with motion object stabilizer Edge oriented deinterlacer with edge and artifact smoother Automatic 3 2 2 2 M N pull down detection and recovery 3D multi purpose noise reduction for DTV or lousy air cable input MPEG artifact remo...

Page 27: ...TX CC WSS output CVBS Video Output Allows CVBS output of all source inputs 3D like Graphics Engine Hardware Graphics Engine for responsive interactive applications Supports point draw line draw rectangle draw fill text draw and trapezoid draw BitBlt stretch BitBlt trapezoid BitBlt mirror BitBlt and rotate BitBlt Supports alpha and destination alpha compare Raster Operation ROP Support Porter Duff ...

Page 28: ... at 7 Msym s Supports IF low IF zero IF inputs Ultra fast automatic blind UHF VHF channel scan constellations and symbol rate Connectivity Two USB 2 0 host ports USB architecture designed for efficient support of external storage devices in conjunction with off air broadcasting Miscellaneous DRAM interface supporting two 16 bit DDR2 1066MHz Supports PVR Supports Common Interface for conditional ac...

Page 29: ...diate Frequency IF which is thensampled by an internal high resolution analog to digital converter A D for further processing The IF signals are filtered using a standard dependent high rejection channel filter and converted to a userprogrammable output frequency At the output of the D A converter the TV signal is low pass filtered using a high performance smoothing filter and input to a variable ...

Page 30: ... accepts a wide range of input data and data rates A fully programmable data path routes these channels to the internal speaker drivers The TAS5711 is an I2S slave only device receiving all clocks from external sources The TAS5711 operates with a PWM carrier between 384 kHz switching rate and 352 KHz switching rate depending on the input sample rate Oversampling combined with a fourth order noise ...

Page 31: ...optimize the panel with best display quality and color saturation and ideally suited to work with front end ATV or DTV chip and WUXGA 100 120Hz panels FEATURES Input Interface Single dual channel 8 10 bit LVDS input Each input LVDS channel frequency supports up to 100 MHz One channel input supports up to WXGA 1366x768 Two channel inputs support up to WUXGA 1920x1200 Input mode supports JEIDA VESA ...

Page 32: ...blur elimination to improve MPRT Advanced halo and artifact elimination Output frame rate 50 60 100 120 f sec Supports MFCTRE under WUXGA resolution Automatic 2 2 3 2 film mode detection Supports 2 2 3 2 pull down reverse processing Support 1080p 24fps 5 5 pull down Supports 10 bit 4 4 4 processing Brightness contrast saturation adjustment White balance adjustment Supports Gamma correction per bit...

Page 33: ...ly eliminating the large output coupling capacitors required by conventional single supply headphone amplifiers The MAX9820 features an undervoltage lockout that prevents over discharging of the battery During brownout conditions click and pop suppression that eliminates audible transients on startup a low power shutdown mode and thermal overload and short circuit protection Additionally the MAX98...

Page 34: ......

Page 35: ...Wiring Diagram ...

Page 36: ...ck backlight board Check STANDBY circuits on power board Press key POWER on remote control or the unit check indicator Check if level of X601 PIN13 on main board is high Check if level of X601 PIN9 on main board is high Check power board Check if 5V is supplied to X601 PIN11 Check power control circuits on main board Check power control circuits on main board ...

Page 37: ...rolled by keys on remote control or the unit Do no channel have picture at all Enter into factory menu to initialize EEPROM then cut off main power and then turn on the TV set again check if there is picture Replace the main board Readjust the main board Press key MENU can OSD display normally ...

Page 38: ...if level of V606 b is low Check if there is signal inputted to N607 PIN15 20 21 22 Check power voltage of N607 Check IIS signal input circuits on main board Check Reset Mute circuits of power amplifier Replace V606 Check 12V on power board Check IIC signal of N607 PIN23 24 Check N607 peripheral circuits Check IIC circuits ...

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Page 44: ...Power board ...

Page 45: ...Backlight ...

Page 46: ...D309PX LF 5270309003 N607 TAS5711 5275711001 N103 EN25Q32B 104HIP 5272532007 N803 MST6M30QSR LF 5270630001 Main board XI6KI00701B0 N312 MAX9820 5279820001 IR board XI635KI00903 Key board XI635MS00801 Power board XI6KI00720B0 Remote control XI6010900802 RC 908 0A Panel XI5203248505 V236H3 LS1 ...

Page 47: ...APPENDIX B Exploded view LED 24XR113D ...

Page 48: ...sembly 5 Power board assembly 6 Back cover assembly 7 Pedestal assembly 8 Standing pole 9 Interface baffle down 10 Interface baffle size 11 Main board connective bar down 12 Key board assembly 13 Powr cord bracket 14 3D IE assembly 15 Speaker assembly 16 IR assembly Note Design and specification are subject to change without notice ...

Page 49: ...1000 Pedestal assembly 1 8 XI58D0030310 Standing pole 1 9 XI5810D78020 Interface baffle down 1 10 XI5810F77910 Interface baffle size 1 11 XI58A0B92600 Main board connective bar down 1 12 XI635MS00801 Key board assembly 1 13 XI58B004361A Powr cord bracket 1 14 XI6KI00707A0 3D IE assembly 1 15 XI6170894000 Speaker assembly 1 16 XI635KI00903 IR assembly 1 17 XI6010900802 Remote control 1 18 XI5944039...

Page 50: ...ower cord You must install your TV into the stand in order for it to stand upright on a cabinet or other flat surface If you intend to mount your TV on a wall or other vertical surface you must remove the stand column If the stand is provided please read these instructions thoroughly before attempting this installation NOTE The appearance of this product in these illustrations may differ from your...

Page 51: ...e sure to ask an authorized service personnel to carry out setup 2 Thoroughly read this instruction before setup and follow the steps below precisely 3 The wall to be mounted should be made from solid materials Only use accessories supplied by the manufacturer 4 Very carefully handle the unit during setup We are not liable for any damage or injury caused by mishandling or improper installation 5 B...

Page 52: ...August 2011 ...

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