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SERVICE MANUAL

PRODUCT CODE No.
1 682

350

: PAL-BG(

CCIR)

NTSC(AV)

FILE NO.

PRODUCT CODE No.

REFERENCE No.:

SM0915131

LCD-19XR9DA(C)

LCD TV

Содержание LCD-19XR9DA(C)

Страница 1: ...SERVICE MANUAL PRODUCT CODE No 1 682 350 18 PAL BG CCIR NTSC AV FILE NO PRODUCT CODE No REFERENCE No SM0915131 LCD 19XR9DA C LCD TV ...

Страница 2: ...ons Working principle analysis of the unit Block diagram IC block diagram and instruction Wiring diagram Troubleshooting guide Schematic diagram APPENDIX A Main assembly list APPENDIX B Exploded View 3 5 20 23 25 26 33 34 37 Assemble Disassemble the Pedestal Base Wall mounting instructions ...

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: ... 20 80 Scope for storage 80 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 displ...

Страница 5: ...oltage of X401 each pin X108 Pin1 2 3 4 5 6 7 8 9 10 11 12 13 Vol 2 5 V 0 4 85 V 5 35 V 0 4 85 V 5 35 V 0 0 11 4 V 12 6 V 0 3 2 V 3 4 V 4 9 V 5 1 V 1 Safety Instructions Be sure to switch off the power supply before replacing or welding any components or inserting plugging in connection wire Anti static measures to be taken throughout the entire production process a Do not touch here and there by ...

Страница 6: ...meters control etc Check if the output of earphone and speakers are normal Input high definition component signal mode check YPbPr functions are normal Input VGA signal check if display and other functions are normal analog parameters control H V center etc Input AV signal check if AV functions are normal Setup before shipment Accessories checkup and packing Input HDMI signal check if display and ...

Страница 7: ... search digital programs manually which will last about 15s k Factory menu item EEPROM Init for factory and customer data initialization the set will reset and initial guiding interface will display after executing the item l Factory menu item Aging Mode for aging of machines at factory keys of remote control are still working after being aging mode and pressing keys on key board can exit aging mo...

Страница 8: ...stment until completing the calibration 4 2 2 ADC calibration of YPbPr 1 Switch source to YPbPr channel 2 Press key SOURCE then press keys 2 5 8 0 in turn to enter into initial factory menu 3 Move cursor to item ADC ADJUST and press key OK to enter into inferior factory menu 4 Input Y Pb Pr signal VG848 Timing 976 1080i Pattern 918 SMPTE Color Bar move cursor to item MODE press keys and to select ...

Страница 9: ...W B ADJUST after adjustment the data will be save automatically 11 DTV adjustment switch to DTV channel select 16 gray scale program enter into factory menu do adjustment following above step 5 6 7 12 Please refer to the adjusting rules as follows B Gun coordinates of X and Y will increase when B gun is adjusted downwards coordinates of X and Y will decrease when B gun is adjusted upwnwards R Gun ...

Страница 10: ...ed procedures as below a Power on CA210 a dialog box shown as Fig 3 will display for the first installation after data line is connected normally Fig 3 Dialog box b Select option Install from list or specific location Advanced S then press key Next step a dialog box shown as Fig 4 will display RS232 VG848 Specific USB to Mini CA210 USB to RS232 Optical Probe Test Signal ...

Страница 11: ...Fig 4 Dialog box c Select option Do not search I want to select drive program to be installed by myself D press key Next step a dialog box shown as Fig 5 will display Fig 5 Dialog box ...

Страница 12: ...on Set up from disk Fig 6 Dialog box e Select directory of drive program and press file MLTCA200 INF to begin setup if prompt Whether go on appears during setup process ignore it and keep on settiup please refer to dialog box show as Fig 7 Fig 7 Dialog box ...

Страница 13: ...up after above installation completed a dialog box shown as Fig 8 will display Fig 8 Dialog box g Program ISScript8 msi must be set up at the same time press key Next to begin setup after a dialog box shown as Fig 9 display Fig 9 Dialog box ...

Страница 14: ... Fig 11 Fig 10 Connective line Press file Setup exe in the directory of setup programs an interface shown as Fig 11 display and then press key Next to complete setup Fig 11 Setup dialog box 4 4 2 3 Communication setup for VG848 RS232 a Physical communication protocol setup for VG848 ...

Страница 15: ...bits 8 bits Parity None Stop bit 1 bit Detailed setup procedures as follows 1 Press the FUNC key 5 key and SET key Select Function 5 0 E Config Edit 2 Refer RS232 communication setup to Fig 12 Fig 12 RS232 communication setup ...

Страница 16: ...rst input port 4 4 3 Signal connection Connect the channel required adjustment to VG848 if there are several channels for one sort of signal the first channel must be connected for example if AV has three channels AV1 AV2 AV3 and YPbPr has two channels YPbPr1 YPbPr2 AV1 and YPbPr1 must be connected 4 4 4 Adjusting interface shown as Fig 13 and Fig 14 Fig 13 Interface of Prima auto white balance ad...

Страница 17: ...rameters adjusment Chromatic coordinates and precision setup Combination of color temperature color temperature channel adjusting speed setup of bright and dark area Communication serial port selection Administrator passwords setup Save up all setup ...

Страница 18: ...973 23 976 74 176 1080p 23 97p 10 1920 1080 27 24 74 25 1080p 24p 11 1920 1080 28 125 25 74 25 1080p 25p 12 1920 1080 33 716 29 97 74 176 1080p 29 97p 13 1920 1080 33 75 30 74 25 1080p 30p 14 1920 1080 56 25 50 148 5 1080p 50p 15 1920 1080 67 432 67 5 59 94 60 148 35 148 5 1080p 59 94p 60p 5 4 VGA port Input signal from VG848 signal generator to VGA port with VGA signal format listed in Table 4 re...

Страница 19: ...d in Table 3 and Table 4 respectively check if the display and the sound 32 kHz 44 1 kHz 48 kHz are normal under various circumstances such as power on switching channels or formats etc 5 8 Other functions checkup Check if functions timing on off sleeping off picture sound mode OSD stereo and digital audio ports etc are normal Check if pure audio program RADIO are normal when switching to digital ...

Страница 20: ... write protect must be reset after ALL 100 burning software opened every time Note 2 Method of burning and upgrading software by using ISP burning device Main board upgrade Connect 4 core line of ISP burning device to Debug port X107 of main board Unit upgrade Connect both VGA ports of ISP burning device and main board enter into factory menu and set item ISP Mode as ON 1 Using Mstar online burnin...

Страница 21: ...vice and select its option MX25L64 then press menu Connect again 3 Press menu Read select the burning file such as MERGE bin please refer to Fig 17 Fig 17 Burning file selection 4 Press menu Auto cross options All chip and program please refer option switches to Fig 18 Fig 18 Backup option switches ...

Страница 22: ...Note 3 Method of online burning and upgrade through USB 1 Make sure that U disk is formatted as FAT32 2 Copy program file Merge bin to U disk 3 Power on the set be sure to be in channel of ATV or DTV and have not any OSD interface insert U disk into USB port of the set a First press key SOURCE then press keys 2 5 8 0 to enter into initial factory menu b Select item software update to begin upgrade...

Страница 23: ...class AB to be amplified and then drive post speakers 2 DVB T signal flow Send DVB T digital RF signal received from antenna to A D integrative TUNER FT2119 which is controlled by main chip MSD209GL through I2 C BUS after down convertion difference IF signal will be inputted to demodulating IC MSB1210 to be demodulated then it will be sent to main chip MSD209GL with the standard format of serial o...

Страница 24: ...d AC coupling then it is sent to earphone amplifier BH3547F to be amplified one is sent to earphone jack the other is sent to sound power amplifier TDA7266SA class AB to be amplified and then drive post speakers 5 HDMI input signal flow HDMI video signal is sent into main chip MSD209GL to be processed by modules of video decoding video processing and zoom then LVDS signal will be outputted to driv...

Страница 25: ...Block diagram ...

Страница 26: ...E 3 color engine an advanced 2D graphics engine a transport processor a high definition HD MPEG video decoder a high definition HD H 264 video decoder a RealVideo decoder a JPEG video decoder a MPEG 4 decoder and a 24 bit DSP for MPEG audio decoding a DVI HDCP HDMI receiver and a peripheral control unit providing a variety of HDTV control functions For digital TV application the MSD209GL comprises...

Страница 27: ...nt control capability for green mode requirements and spread spectrum support for EMI management MSD209GL Features Twin turbo 8051 Micro controller Twin turbo 8051 MCU Interrupt controller Supports ISP Two full duplex UARTs DMA engine to speed up large data movement Transport Stream De multiplexer One external TS input and one internal TS data path Supports serial TS interface with or without sync...

Страница 28: ...TV standard detection Motion adaptive 3D comb filter for NTSC PAL Seven configurable CVBS Y C S video inputs Supports Teletext level 1 5 Closed Caption analog CC 608 analog CC 708 digital CC 608 digital CC 708 V chip and SCTE Two CVBS video outputs Multi Standard TV Sound Processor Supports BTSC A2 EIA J demodulation in NTSC and A2 NICAM FM AM demodulation in PAL Supports MTS Mode Mono Stereo SAP ...

Страница 29: ...ne year 2009 Edition provides superb visual quality for wider gamut FHD panels Fully programmable shrink zoom capabilities Panorama and various scaling supports 3D motion adaptive video de interlacers with de flickering and edge smoothing functions Automatic 3 2 pull down 2 2 pull down detection and recovery Automatic picture enhancement Dynamic brilliant and fresh color Dynamic Blue Stretch Inten...

Страница 30: ... draw line draw rectangle draw fill and text draw BitBlt and stretch BitBlt Raster Operation ROP Miscellaneous DRAM controller to support 16 bit DDR2 interface SPI serial interface for external SPI flash High efficiency power control module Two ports of USB 2 0 host controller with the flexibility for connecting external storage devices 256 pin LQFP package Operating at 1 26V core 1 8V DDR2 and 3 ...

Страница 31: ...ital frequency offset recovery with wide acquisition range 500kHz IQ imbalance compensation for ZIF Integrated VIF receiver Multi standard analog TV receiver applications Digital low IF architecture Maximum IF gain of 48dB Programmable TOP to accommodate different tuner gain to optimize noise and linearity performance Miscellaneous Embedded 8 bit MCU Clock generation from a single 20 48 28 8MHz cr...

Страница 32: ...standard ETS 300 744 and cable standard ETS 300 429 for digital It consists of a 3 band RF tuner which receives RF signal and down converts it to an IF frequency of 36MHz for digital and 38 9MHz for analog IF The analogue IF output can directly drive a SAW filter A digital IF Stage which consists of one SAW filter gaincontrollable IF that offers a sufficient output level to be connected directly t...

Страница 33: ...PANEL DATA BOARD KEY BOARD IR WIT BOARD POWER SWITCH POWER BOARD IR WIT SPEAKER KEY SPEAKER POWER WIRING DIAGRAM ...

Страница 34: ...Troubleshooting guide LCD 19XR9DA C 1 No Backlight ...

Страница 35: ...heck relative circuits on main board Isn t there picture of each channel Yes No Enter into factory menu initialize E2 PROM power off and then power on again Does picture display Check related channel No No Check if voltage of X405 1 is 5V No Check power circuits of T CON No Check LVDS circuits Yes Check circuits of each channel Yes Yes OK ...

Страница 36: ...d circuits Check if N407 4 12 has input signal Check if voltage of N407 6 7 is high level Check peripheral circuits of power amplifier Check mute circuits of power amplifier Check if N313 3 5 has input signal Check earphone amplified circuits Check audio output circuits of main chip Yes Yes Yes Yes No No No No ...

Страница 37: ...04 C1 R147 22 R145 22 R143 22 R146 22 R148 22 R151 22 R150 22 UART RXSTB 003 D4 ISP_EN 003 B3 R156 10K R131 10K R159 10K R134 10K R155 10K R160 0 R103 390 1 R104 47 R107 47 R105 47 R106 47 R109 13K R111 13K R115 13K R113 13K R108 100 R110 100 R114 100 R112 100 R117 1K R116 1K R136 1K 1 R102 1K 1 R101 1K 1 R135 1K 1 R144 150 R128 1M R130 33 R129 10K N102 APX810 29SAG 7 Vcc GND RESET R139 56 R138 56...

Страница 38: ... 22uH 3 3V DE V204 BC847AW GND D 1 2V DE GND D 5V GND D 3 3V DE SDA 001 C1 004 C2 004 G2 GND D TSVALID 001 E3 3 3V GND D V201 BC857AW R221 33 1 2V VDDC GND D 3 3V DE RST DM 001 E4 GND D ATV SIF 001 B4 V202 BC847AW L201 BG1608B121 R231 33 C235 220u 16V G201 24MHz ATV CVBS 001 B4 SCL 001 C1 004 C2 004 G2 V203 2SC4215 R206 47 47 R202 47 R205 R203 47 R204 300 R201 300 R229 0 R237 0 R230 0 R211 1M R227...

Страница 39: ...D D 5V S USB D 001 D5 220MHz Z301 C363 220u 16V MMBD1204 D302 5V HDMI2 GND D HDMI1 SDA 001 C5 001 B3 VGA B_IN 24C02N 10SI27 N301 AO 1 A1 2 A2 3 GND 4 SDA 5 SCL 6 WP 7 Vcc 8 CM1213 08MS N317 CH1 1 CH2 2 CH3 3 CH4 4 VN 5 CH5 6 CH6 7 VP 8 CH7 9 CH8 10 N313 BH3547F 1 OUT1 2 MUTE 3 IN1 4 GND 5 IN2 6 BIAS 7 OUT2 8 VCC PESD5V0L4UG N318 1 2 3 4 5 GND D HPAMP RIN 001 C6 001 B3 YPBPR PR_IN GND D HDMI2 RX0 0...

Страница 40: ...2_8 3 3V GND D 1 2V VDDC V408 BC857AW GND D R420 33 C410 10u V404 BC847AW 5V 5V PU C402 220u 16V C404 10u N406 AP1117 ADJ IN ADJ OUT C403 470u 25V X401 TJC3S 13A 1 2 3 4 5 6 7 8 9 10 11 12 13 X404 TJC10 04A 1 2 3 4 3 3V R440 10K R441 1K R439 1K 3 3V V410 BC847AW GND D R449 1K 3 3V S R453 1K 3 3V S GND D R401 1K R413 1K R411 1K R408 1K R450 1K R406 1K R458 1K R416 1K R454 10K R442 10K R417 10K R412...

Страница 41: ...Backlight ...

Страница 42: ...Power ...

Страница 43: ...IR Key ...

Страница 44: ...03 N407 N104 TUNER201 5270209002 MSD209GL LF 5271210001 MSB1210 LF 5272564002 EN25Q64 104HIP 5267266001 TDA7266SA 5270164002 K4T1G164QE HCF7 5524050026 FT2119 IR assembly XI6HE0420910 Key board assembly XI6HE0330510 Power Backlight assembly XI6KU00920B0 Remote control XI6010J017A1 RC J17 0A Display panel XI5203195209 CLAA185WA03 V2 AN8 ...

Страница 45: ...APPENDIX B Exploded view LCD 19XR9DA C ...

Страница 46: ...y 6 Standing pole assembly 7 Pedestal assembly 8 Display panel 9 Main frame assembly 10 Data processing assembly 11 Power backlight board assembly 12 Interface baffle down 13 Magnetic ring 14 Bracket of power cord clip 15 Power cord clip 16 Power switch 17 Back cover assembly Note design and specification are subject to change without notice ...

Страница 47: ... panel 1 CLAA185WA03 V2 AN8 9 XI615327600A Main frame assembly 1 10 XI6KH0260110 Data processing assembly 1 11 XI6HE0342010 Power backlight board assembly 1 12 XI5810L68800 Interface baffle down 1 13 XI5461300001 Magnetic ring 1 14 XI58B004031B Bracket of power cord clip 1 15 XI572011201C Power cord clip 1 16 XI5293000056 Power switch 1 17 XI6719421030 Back cover assembly 1 18 XI6010J017A1 Remote ...

Страница 48: ...not covered by the manufacturer s warranty Before attempting assembly or removal of the stand unplug the AC power 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...

Страница 49: ...ce 1 Place carefully the display on its front side with a soft cushion below shake the stand forward or backward to adjust angle between the stand and the display let the angle be 90 If wall mounting please detach the stand column Place carefully the display on its front side with a soft cushion below loosen and remove 4 pcs screws detach the stand column 90 Pull out the stand Tabs Press together ...

Страница 50: ...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...

Страница 51: ...Aug 2010 ...

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