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SERVICE MANUAL

PRODUCT CODE No.
1 682

351 89

:

PAL-B/G (Australia)

FILE NO.

PRODUCT CODE No.

REFERENCE No.:

SM0915222

L

ED-46XR123D

NTSC(AV)

LED-LCD TV

with 3D Function

EPG

MENU

MUTE

LIST

RECALL

EXIT

INPUT

VOL

CH

STEREO

TTX

INDEX

SUBTITLE

1

7

4

2

8

5

0

3

9

6

ZOO M

TV/RADIO

OK

INFO

FAV.LIST

Q.TOOL

FRZ/MIX

1
2
3
...
»

Summary of Contents for LED-46XR123D

Page 1: ...L B G Australia FILE NO PRODUCT CODE No REFERENCE No SM0915222 LED 46XR123D NTSC AV LED LCD TV with 3D Function EPG MENU MUTE LIST RECALL EXIT INPUT VOL CH STEREO TTX INDEX SUBTITLE 1 7 4 2 8 5 0 3 9 6 ZOOM TV RADIO OK INFO FAV LIST Q TOOL FRZ MIX ...

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: ... 2 Adjustment Equipments Multimeter or osciillograph VG 849 CA 21 USB DVD included HDMI 1 4 or equipments with the same functions 3 Adjustment Processes 3 1 Power voltage test According to the wiring diagram specified by Product Specification connect power board assembly data processing assembly IR Key board assembly backlight board assembly correctly supply with power press button to power on the...

Page 6: ...justment Input central signal check TV function omitted channel analog parameters control etc check earphone speakers output Input Component signal check YPbPr functions Input D SUB signal check display and all functions such as analog parameter H V center etc Check AV input output and relevant functions Default settings before ex factory Check USB multimedia port and Check accessory and packing C...

Page 7: ...setting could not change if central signal setting has any modification so please search for digital program manually by perform item DTV of menu Channel k Factory menu item Color Temp to be used for white balance adjustment l Factory menu item Store Setting Init m Factory menu item USB SW Update to be used for software updating from USB port when U disk containing updating software is inserted in...

Page 8: ...rn 921 16 step Gray move cursor to item MODE press keys and to choose item HDMI then move cursor to item TEMPERTURE and press keys and to choose COOL e Fix G GAIN adjust R GAIN B GAIN to set 14th chromatic coordinates as 272 278 f Fix G OFFSET adjust R OFFSET B OFFSET to set 4th chromatic coordinates as 272 278 g To make sure chromatic coordinates of bright scale are X 272 10 Y 278 10 and chromati...

Page 9: ...isplay 5 2 AV port Input AV signal with formats listed as Table 1 separately check picture sound and other functions Table 1 AV video signal formats No Lines per frame H Freq kHz V Freq Hz Note 1 525 15 734 15 75 59 94 60 NTSC NTSC4 43 PAL60 PAL M 2 625 15 625 50 PAL PAL N SECAM 5 3 Component port Input Component signal from VG 849 with formats listed as Table 2 separately check picture and sound ...

Page 10: ...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 Panel National only 18 1680 1050 65 3 60 146 25 WSXGA Panel National only 19 1920 1080 67 5 60 148 5 5 5 HDMI port HDMI port supports all signal formats supported by Component port Table 2 and...

Page 11: ...elow Photo JPEG BMP PNG Video H 264 MPEG 1 MPEG 2 VC 1 FLV Audio WMA MP3 M4A AAC 5 7 Music port depending on different models whether contain the port or not Input audio signal to back VGA MUSIC AUDIO In port from audio output equipment check audio output is normal or not 5 8 Other functions check a Check timing on off sleeping time off picture sound mode OSD stereo digital audio port etc b Check ...

Page 12: ...lease make sure option Config is ticked off during software upgrading and reset write protection after ALL 100 upgrading software is opened each time Note 2 Upgrading method with ISP upgrading instrument 1 Main board upgrading connect 4 core line of ISP to Debug port X107 on 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 ...

Page 13: ...he first menu Device and choose MX25L64 manually then press Connect 4 Press Read choose upgrading file such as MERGE bin please refer to Fig 4 Fig 4 Choosing upgrading file 5 Press Auto tick off All chip program and other necessary options please refer to Fig 5 Fig 5 Options ...

Page 14: ...d 6 need repeat Note 3 Upgrading with USB 1 Make sure U disk is formatted as FAT32 2 Copy software file named as Merge bin to U disk 3 Turn on the TV set then insert U disk in 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 lig...

Page 15: ...cessed Video channel demultiplexing digital video signal is processed by MSD309PX decoder and video processor then a pair of LVDS signals are outputted to chip MST6M30 to be processed by modules of 120HZ MEMC and 3D effect then two pairs of LVDS signals are outputted to drive display panel Audio channel demultiplexing digital audio signal is processed by MSD309PX decoder and audio processor then d...

Page 16: ...of signal I2S is sent to digital audio power amplifier TAS5711 to be processed by D A convertor and power amplifier then outputted to drive speakers 5 HDMI input signal flow HDMI video signal is inputted to main chip MSD309PX to be processed by video decoder video processor and zoom controller then a pair of LVDS signals are outputted to chip MST6M30 to be processed by modules of 120HZ MEMC and 3D...

Page 17: ...Speakers Block Diagram ...

Page 18: ...Intermediate Frequency IF which is then sampled 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 user programmable 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 ...

Page 19: ... 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 Over sampling combined with a fourth order noise...

Page 20: ...citors 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 MAX9820 suppresses RF radiation received by input ...

Page 21: ...Panel Power board Backlight Board Power Switch Key Board I IR Board Speakers Power Debug Speaker Main board Key IR Wiring Diagram ...

Page 22: ...eck backlight board Check STANDBY circuits on power board Press key POWER on remote control or the unit check indicator Check if level of X601 PIN1 on main board is high Check if level of X601 PIN5 on main board is high Check power board Check if 5V is supplied to X601 PIN3 Check power control circuits on main board Check power control circuits on main board ...

Page 23: ...set 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 24: ...19 25 are all high Check 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 24V on power board Check IIC signal of N607 PIN23 24 ...

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Page 30: ...R532 82K R531 82K C534 1n 1KV D511 1N4007 C531 47u 63V C519 C532 10p 1KV C543 330p 1KV C555 820u 35V C558 820u 35V C556 820u 35V D520 SR506 D521 SR506 D510 ES1J R562 10K R567 10K C553 470n V_9500 R550 10 C561 220u 25V D501 1 2 3 AC 4 X504 TJC3S 13AW 1 2 3 4 5 6 7 8 9 10 11 12 13 C557 1000u 25V C552 1000u 25V C541 1000u 25V C544 1000u 25V V502 2SA966 0 C526 4 7u BON FU501 C536 4 7n C538 4 7n R505 4...

Page 31: ...M16DG_AC 5273216001 N312 SGM4918 5274918001 N607 TAS5711 5275711001 N205 XC5200C 5275200002 N803 MST6M30RS 5270630002 Data processing board XI6KI0230110 N804 NT5TU32M16DG BE 5273216002 IR board XI635KI01606 3D IE board XI635KI01608 Key board XI635KI01605 Power Inverter board XI6KI02320A0 Remote control XI6011300401 RC 1304 0A Panel XI5203468510 V460H1 LS2 C7 ...

Page 32: ......

Page 33: ... 5 Power board assembly 6 Back cover assembly 7 Standing pole assembly 8 Pedestal assembly 9 Panel pressing block 10 Pedestal connecter 11 Interface baffle down 12 Interface baffle side 13 3D IE assembly 14 Power cord bracket 15 Sound box assembly 16 IR assembly Note Design and specification are subject to change without notice ...

Page 34: ...244000 Pedestal assembly 1 9 XI5810082000 Panel pressing block 5 10 XI58A0096600 Pedestal connecter 1 11 XI5810M78610 Interface baffle down 1 12 XI5810F79610 Interface baffle side 1 13 XI635KI01608 3D IE assembly 1 14 XI58B0A45610 Power cord bracket 1 15 XI6170859000 Sound box assembly 1 16 XI635KI01606 IR assembly 1 17 XI6011300401 Remote control 1 18 XI5944040340 User manual 1 19 XI60Z0000777 Ba...

Page 35: ...t 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 actual product and is for comparative purposes only To remove t...

Page 36: ...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 37: ...April 2011 ...

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