Sanyo LCD-46XR10DKH Service Manual Download Page 38

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PART LIST

LCD-46XR10DKH ver.

1.0

REF.No. PARTS No.

DESCRIPION

Q'TY REMARK

XI6646521100

Front cabinet assembly

XI5203468301

Display panel

T460HW03 VF

XI58B0043410

Key bracket

XI5293000060

Power switch

XI58A0084100

Wall mounting bracket (left)

XI674652L060

Back cover assembly

XI6151226000

Pedestal assembly

XI6156111000

Standing pole assembly

XI6KH0092010

Power board assembly

XI5810G7220A

Interface baffle (down)

XI6KE02169C0

Main board assembly

XI5810G72110

Interface baffle (right)

XI6153269000

Panel holder assembly

XI58A0084200

Wall mounting bracket (right)

XI635KH00901

Touching key board assembly

XI6170843000

Sound box assmelby

XI6KE02209A0

IR assembly

XI6010900401

Remote control

XI5944038500

User manual

XI60Z0000699

Backlight board

XI60Z0000700

Logical board

Only the parts in above list are used for repairing.
Other parts except the above parts can't be supplied.

Summary of Contents for LCD-46XR10DKH

Page 1: ...SERVICE MANUAL PRODUCT CODE No 1 682 350 58 PAL I NTSC AV FILE NO PRODUCT CODE No REFERENCE No SM0915160 LCD 46XR10DKH LCD iDTV ...

Page 2: ...diagram Working principle analysis of the unit IC block diagram Trouble shooting Wiring diagram Schematic diagram APPENDIX A Assembly list APPENDIX B Exploded View 1 3 14 14 16 20 25 26 Assemble Disassemble the Pedestal Base Option Wall Mounting Instructions ...

Page 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...

Page 4: ...20 80 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 dis...

Page 5: ...bove Table 1 Voltage of 13 pin power socket each pin Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 Voltage 2 5V 2 5V 0 12 V 5 0 N C 5 V 5 0 5 V 5 0 2 5V b Test each pin voltage of 5 pin power socket in turn listed as Table 2 X506 for 26 and above Table 2 Voltage of 5 pin power socket each pin Pin 1 2 3 4 5 Voltage 24V 5 0 2 2 Adjustment flow chart shown as Fig 1 Check if EDID HDCP KEY and FLASH have been burn...

Page 6: ... one page to its superior factory menu f Press key EXIT can exit factory menu at any time g Press key OK can enter into inferior factory menu h Factory menu item ADC Calibrate is used to correct ADC of VGA Component channel i Factory menu item W B ADJUST is used to adjust white balance j Factory menu item POWER MODE is used to set power on mode Standby means the set Input HDMI signal check if the ...

Page 7: ...adjustment before leaving factory o Factory menu item MST ADJUST Default is OFF Engineering sample with RS 232 functions matches the design specifations when the item is set as OFF It s convenient to adjust with equipment when it s set as ON the value of the item can not be kept in the memory that is to say the item is reset as OFF after power on again p Factory menu item BACKLIGHT is used to adju...

Page 8: ...minutes before white balance adjustment for it would be in a stabler state Use white balance apparatus CA 210 and switch to its LCD channel 19 for example a Switch to HDMI channel b Press key SOURCE then press number keys 2 5 8 0 in turn to enter into initial factory menu c Move to item W B ADJUST and press key OK to enter into interior factory menu d Input HDMI signal VG 848 Timing 856 1024 768 6...

Page 9: ...AV signal or Y C separate S Video signal check if the picture and the sound are normal under the circustances of power on switching channel switching signal format etc 4 3 Component port Y Pb Pr Input Component signal from signal generator VG 848 with the formats as Table 3 respectively check if the display and the sound are normal under the circumstances of power on off switching channel switchin...

Page 10: ...8 800 600 46 875 75 49 5 VESA 9 1024 768 48 363 60 004 65 VESA 10 1024 768 56 476 70 069 75 VESA 11 1024 768 60 023 75 029 78 75 VESA 12 1152 864 67 5 75 108 VESA 13 1280 960 60 60 108 VESA 14 1280 1024 63 98 60 02 108 VESA 15 1280 1024 80 75 135 SXGA 16 1360 768 47 7 60 85 5 WXGA 17 1440 900 55 9 60 106 5 WXGA 18 1400 1050 65 22 60 122 61 SXGA 19 1680 1050 65 3 60 146 25 WSXGA 20 1920 1080 67 5 6...

Page 11: ... 54 2880 288p 50 Hz 4 3 16 9 18 1440 576 31 25 50 54 1440 576p 50 Hz 4 3 16 9 19 1920 1080 56 25 50 148 5 1920 1080p 50 Hz 20 1920 1080 26 973 27 23 97 24 74 176 74 25 1920 1080p 23 97 24 Hz 21 1920 1080 28 125 25 74 25 1920 1080p 25 Hz 22 1920 1080 33 716 33 75 29 97 30 74 176 74 25 1920 1080p 29 97 30 Hz 4 6 USB port Connect the USB device with picture sound and video documents and check if the ...

Page 12: ...D Yes burned with program ALL100 26 and above N206 5272402002 AT24C02 VGA EDID Yes burned with program ALL100 Note 1 Write protect setup method Enter into interface of burning program ALL 100 select item Config press item config Setting set item Protect as All Protect Be sure to select item Config before burning software and write protect must be re set after burning program ALL 100 startup every ...

Page 13: ...X25L12805D will be displayed as Fig 3 to show succeeding in connecting If failing to connecting select the first menu Device and manual select item MX25L1280D then press key Connect Fig 3 Successful connection 4 Press key Read select burning file for example MERGE bin as Fig 4 ...

Page 14: ...r the process Erase and Program normal burning processes are as follows the first course Erasing will be lasting for a moment otherwise skipping over means unsuccessful erasing please confirm process 2 and then burn software again the following course Programming will be done until a prompt Pass is displayed 7 A prompt Pass will be displayed beside the key Run for successful burning as Fig 6 ...

Page 15: ...ect confirm to search AP bin stored in USB disk automatically to upgrade the software upgrade progress is below A Reading USB disk a prompt Searching USB will be displayed and an USB disk indicator light twinkling B Burning Flash prompts Updating Please don t power off and upgrading schedule will be displayed at the same time after the burning process completed the set will re start automatically ...

Page 16: ... effect processing and volume control then the audio signal are inputted into earphone amplifiers BH3547F to be amplified and then be divided to two signals one is outputted to earphone jack the other is inputted into D class audio power amplifier R2A15112FP to be amplified and then be outputted to speakers 2 DTMB signal flow DTMB signal from antenna is inputted into TUNER FQD1116 to be lower freq...

Page 17: ...e matching and alternating current coupling then inputted into main chip MSD209 directly for acoustic process and volume control afterwards the audio signal is inputted into earphone amplifier BH3547F directly to be amplified now the audio signal is divided into two ways one is outputted to earphone jack directly the other is inputted into class D audio power amplifier R2A15112FP to be amplified a...

Page 18: ...16 IC block diagram 1 MSD209 ...

Page 19: ...TSC PAL SECAM Video Decoder Multi Standard TV Sound Processor Digital Audio Interface Analog RGB Compliant Input Ports VIF Input Support DVI HDCP HDMI Compliant Input Port High Performance Scaling Engine Auto Configuration Auto Detection Video Processing Conversion Output Interface CVBS Video Output 2D Graphics Engine ...

Page 20: ... and then provides an MPEG 2 transport stream output in parallel or serial format With an external time de interleaver memory a complete GB20600 2006 RF to MPEG front end can be designed z Optimized GB20600 2006 compliant single chip demodulator z Supports 64QAM 32QAM 16QAM 4QAM and 4QAM NR modulation z FEC rates of 0 4 0 6 or 0 8 and guard intervals of PN420 PN595 and PN945 z Time De interleaving...

Page 21: ... maximum power of 15W typ 2ch VD 24V THD 1 SE at a 4 Ω load It is possible to replace a conventional analog amplifier with a digital amplifier easily Feature Maximum power out put No external heat sink note These apply when the thermal pad is soldered to the printed circuit board directly Recommended Power Condition SE operation mode 15Wx2ch VD 24V 4Ω load THD N 1 BTL operation mode 30Wx1ch VD 21V...

Page 22: ...and 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 z Check to see if the power plug has been inserted properly into the socket No picture and sound z 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...

Page 23: ...tteries are installed in the reverse order z Check if the battery is effective z Check the distance or angle from the monitor z Check if there is any obstruct between the remote control and the TV set z Check if the remote control signal receiving window is exposed to strong fluorescence No picture and sound but only hash z Check if the antenna cable is correctly connected or if it has received th...

Page 24: ...V S of X501 11 on the main board is normal Is X501 1 on the main board high voltage Is X501 13 on the main board high voltage Check the circuit of IR board Check the circuit of power standby Blue Red Check backlight circuit of power board and backlight board Check backlight control circuit on digital board Check standby circuit Check standby control circuit on digital board Yes No Yes No Yes No ...

Page 25: ...ormal Is there no signal in each channel Is X508 1 12V Check LVDS Check T CON power supply Yes No Yes Enter the factory menu and perform E2PROM initiallization restart the set and check if has picture Check the circuit of each channel Check the corresponding circuit Yes Check the digital board OK Yes No No Yes ...

Page 26: ...power supply on power board and other circuits Check if N511 10 27 is high level Yes No Check the circuit around the sound amplifier Check if N301 3 5 input signal Yes No Check the mute circuit of the sound amplifier Yes No Check the sound output circuit of the main chip Check the circuit of earphone amplifier ...

Page 27: ...Wiring Diagram ...

Page 28: ...Memory ...

Page 29: ...RF ...

Page 30: ...AV ...

Page 31: ...AV PORT ...

Page 32: ......

Page 33: ...D1 24 ADD0 25 SCLK 26 SDA 27 INT 28 GPIIO7 29 GPIO6 30 GPIO5 31 GPIO4 32 DVSS 33 GPIO3 34 GPIO2 35 GPIO1 36 GPIO0 37 NC 38 THD1 39 THD0 40 CIN0 GND V33 C4 1u V33 D 0 7 C5 100p C8 100n R12 0 R9 20K PAD7 LED3 LED6 R4 100 LED8 R13 5 6K X1 1 2 3 4 5 6 R6 10K C7 100n 5V LED1 TP2 KEY PAD2 V33 R914 3K R912 3K GND R913 47 GND GND R904 2 7K R903 100 N902 HRM138CB5400 Vout GND Vcc GND N901 ISL29001 1 VDD 2 ...

Page 34: ...Power ...

Page 35: ... N201 N103 N511 N106 N107 TUNER201 MSD209GL LF 5270209002 LGS 8G42 5270842001 IC_MX25L128 5271284501 IC_R2A15112 5271511201 K4T51163QI HCF7 5275116302 TUNER _FQD1116M 5524000029 IR board XI6KE02209A0 Touching key board XI635KH00901 Power board XI6KH0092010 Remote control XI6010900401 RC 904 0A Panel XI5203468301 T460HW03 VF ...

Page 36: ...APPENDIX B Exploded view LCD 46XR10DKH ...

Page 37: ...ck cover assembly 7 Pedestal assembly 8 Standing pole assembly 9 Power board assembly 10 Interface baffle down 11 Main board assembly 12 Interface baffle right 13 Panel holder assembly 14 Wall mounting bracket right 15 Touching key board assembly 16 Sound box assmelby 17 IR assembly Note design and specification are subject to change without notice ...

Page 38: ...92010 Power board assembly 1 10 XI5810G7220A Interface baffle down 1 11 XI6KE02169C0 Main board assembly 1 12 XI5810G72110 Interface baffle right 1 13 XI6153269000 Panel holder assembly 1 14 XI58A0084200 Wall mounting bracket right 1 15 XI635KH00901 Touching key board assembly 1 16 XI6170843000 Sound box assmelby 1 17 XI6KE02209A0 IR assembly 1 18 XI6010900401 Remote control 1 19 XI5944038500 User...

Page 39: ...ng the Stand If the stand is provided please read these instructions thoroughly before attempting this installation To remove the stand from the TV perform these steps in reverse order 1 Remove the stand from the box and place it on a table or bench You must pay attention to the direction of the stand The wide portion of the stand should go towards the front of the TV 2 Lay your TV flat screen dow...

Page 40: ...ctor to the rear of the display unit Caution the direction of the connectors should be strictly confirm to the diagram illustrated above 5 Put the back of the display unit close to the wall mounting holder insert the four wall mounting connectors into the four calabash shaped holes on the wall mounting holder Fig 5 Take out these parts from the box Wall Mounting Holder Expansion Bolt Wood Screw Co...

Page 41: ...December 2010 ...

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