TC-32LC54 TC-L32C5X TC-L3252C - Philips Parts and Accessories
Contents
1. 32 bit MIPS32 enhanced architecture e 8 K instruction cache 8 K data cache 2 way set associative Programmable memory management unit Multiply Divide unit Power down mode triggered by WAIT instruction EJTAG debug support Fully production tested software suite ATSC NTSC DTV application with customizable OSD e V Chip for analog and digital channels e PSIP parsing for channel map and EPG Analog and digital closed captioning ElA 608 and ElA 708 17 Royalty free Zoran True Fonts for OSD and closed captioning e Transport video decode single MP HL audio decode AC 3 MPEG Layer amp II graphics and display drivers e Drivers for tuner HDMI and analog inputs ThreadX royalty free RTOS 1 2 2 Video Processing Image processing Up to 10 bit processing De interlacing 1080i capable per pixel motion adaptive multiple cadence detection 8 low angle interpolation Black bar detection Horizontal and vertical Image quality enhancements Noise reduction up to 1080p Temporal Spatial Impulse MPEG post processing De blocking Adaptive contrast control histogram based fully programmable Advanced Color Management 2D Horizontal luma peaking with coring Sharpness control Vertical and horizontal L TI Horizontal CTI Y C vertical peaking with adaptive coring e Video scaling and composition Horizontal scaler 17 tap FIR 64 phase FIR Programmable up scaler2. 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 displaying still picture in high brightness for a long time 3 Points for attention during installation 3 1 The front panel of LCD screen is of glass When installing it please make sure to put it in place 3 2 For service or installation it s necessary to use specified screw lest it should damage the screen 3 3 Be sure to take anti dust measures Any foreign substance that happens to fall down between the screen and the glass will affect the receiving and viewing effect 3 4 When dismantling or mounting the protective partition plate that is used for anti vibration and insulation please take care to keep it in intactness so as to avoid hidden trouble 3 5 Be sure to protect the cabinet from damage or scratch during service dismantling or mounting 2 Alignment instructions 1 Test equipment VG 859 YPbPr VGA HDMI signal generator FLUKE 54200 TV signal generator CA210 white balancer 2 Power test Connect main board power board and IR board according the wiring diagram connect the power and press power key Remote controller or Keypad button to t
3. 4 1 1 Set the signal generator to input sources Component on LCD TV ASTRO 859 signal setting to NTSC M PG2 mode Timing 924 and Pattern 984 SMPTE Color Bar PCT LTTE egy 4 1 2 Entering into factory Mode Press up or down key of remote control to select Source Calibration Press OK key to enter the item err bs zz ez rr rr rz zz pre ere perre source Calibration EE Disable gt ETE pp e n Ee a o E Q gt Source calibration performed automatically when finished that will show OK Repeat step 2 to do VGA input sources ASTRO 859 signal setting to1024X768 60Hz PG2 mode Timing 963 and Pattern 942 16step H grayscale white border 4 2 Color Temperature Adjustment amp Check 4 2 1 Set the signal generator to RGB 1024 768 GOHZ ASTRO 859 PG1 856 Level 77 30 or 178 70 Full white pattern RGB gain and offset all should not over 128 and one of RGB gain and offset have to be setting on 110 4 2 2 Press up or down key of remote control to select Cool Press ENTER key to enter the item RGAIN GGAIN BGAIN ROFFSET GOFFSET BOFFSET drive values are set for Warm Normal and Cool independent AASP CI E e e e 4 2 3 Select Warm Step 1 First Turning Gain parts of RGB 1 Warm spec x 0 318 0 005 y 0 331 0 005 2 Ifthe x and y value are larger than specification Decrease R GAIN drive from default value Increase B GAIN drive from default value 3 Ifthe x o
4. 64x Waterglass scaler Programmable down scaler 1 32x Non linear scaler 3 segment parabola 17 tap FIR 64 phase FIR Letterbox support Pan and Scan support 10 bit processing 18 Vertical scaler 5 tap FIR 64 phase FIR Programmable up scaler 64x Programmable down scaler 1 32x 1 2 3 Video Input Integrated HDMI link and PHY Three physical ports BGA package One physical port QFP package Single instance of the PHY HDMI v1 4a compliant Supports up to 1080p input resolution Standby power CEC monitor e Supports all DTV resolutions 480i 5761 480p 576p 720p 1080i 1080p e Capable of carrying IEC61937 compressed audio Dolby Digital etc Integrated High bandwidth Digital Content Protection HDCP cipher Direct capture of video audio and control information in distinct memory buffers Integrated high definition HD capture video inputs Color space conversion Downscaling to either 4 2 2 or 4 4 4 output to memory e One 1 YPbPr input Up to 165MHz sample rate Up to 1080p Sync Modes sync on green SOG or luma SOY input mid point and sync tip clamping SOG or SOY inputs AC coupled Low pass filter 500 KHz Dynamic range 0 5 2 0V gt 1MOhm DC input impedance Coast input and support Activity polarity detectors with timing measurement HSYNC present VSYNC present SOG SOY present e 2nd YPbPr input available using S Video and SIF lines BGA package One 1 RGB inp
5. E aaa ananas 15 SC allee GAGQKAIN ss N eat 16 O NITRO Clara AEN 28 7 Troubleshooting guide aaa 30 OE XDIOG SGV CW a u u u SOL as ad dada da ia aa ada a dd 34 Y Replacementiralns r BSO 36 MOE TO Ka u uu 2 2 e 39 Attention This service manual is only for service personnel to take reference with Before servicing please read the following points carefully Safety precautions 1 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 hand at will b Be sure to use anti static electric iron c Its a must for the welder to wear anti static gloves Please refer to the detailed list before replacing components that have special safety requirements Do not change the specs and type at will 2 Points for attention in servicing of LCD 2 1 Screens are different from one model to another and therefore not interchangeable Be sure to Use the screen of the original model for replacement 2 2 The operation voltage of LCD screen is high voltage Be sure to take proper measures in protecting yourself and the machine when testing the system in the course of normal operation or right after the power is switched off Please do not touch the circuit or the metal part of the module That is in oper
6. Negative 29 175 640x480 99 941 Negative SVGA 60Hz 37 879 1056 Positive E EE EEE XGA 60Hz 48 363 1344 Negative 65 1024 136 160 os eziz SAS WXGA 60Hz 47 716 1664 Negative 79 5 1280 128 192 pos sear tm gi iz z mo WXGA 60Hz 47 712 1792 Positive 85 5 1360 112 256 imo ais m mas zizt 6 5 HDMI terminal Input HDMI signal VG859 signal generator separately input the signals listed in table6 and check the display and sound 32 KHz 44 1 KHz 48 KHz at any situation power on channel switch and format convert etc Table6 HDMI signal format 11 SYNC PIXEL SYNC BACK FREQ FREQ PERIOD CLOCK Display GO deo LINE LINE pixel LINE pixel LINE pixel MHz FRAME FRAME FRAME FIELD lines lines lines VGA 60Hz 31 469 800 bideko 25 175 SVGA 60Hz 37 879 1056 Positive XGA 60Hz 48 363 1344 Negitive 65 1024 136 160 1024x768 EE OEREN WXGA 60Hz 47 716 1664 bako 79 5 1280 128 192 WXGA 60Hz 47 712 1792 Positive 85 5 1360 112 256 1360x768 E mim mi ui e 59 94Hz 720x480i 15 734 1716 Negitive 21 1440 124 114 be er iz E 5 99 94Hz 720x480P 31 469 858 beide 27 720 62 60 60Hz 1280x 20P 1650 Positive 74 25 1280 40 220 A q 60Hz 1920X1080i 33 5 2200 Positive 74 25 1920 44 148 Ta zr ee eee ee 60Hz 1920X1080P 67 5 2200 Positive 148 5 1920 44 148 b minas Toy 24Hz 1920x1080P 2 2750 Positive 74 25 1920 44 148 MENE 6 6 other functions check a Check the turn on turn off timer sleep timer picture sound mode OSD stereo
7. reception using enhanced equalization and synchronization algorithms enabling Brazil and other 0 dB ghost reception Adaptive control loops dependent upon channel conditions for fast channel acquisition and optimal tracking Advanced doppler ghost rejection e QAM B demodulation ANSI SCTE 07 ITU T J 83 Annex B 64 256 QAM 5 06 5 36 Msymbol sec rate respectively Support all DI modes up to l 128 J 8 84 tap equalization range 36 FFE and 48 DFE for superior cable micro reflections rejection Enhanced phase noise rejection Excellent burst noise and combined distortion rejection Exceptional AM noise rejection Fast channel auto search based on auto 64 256 QAM detection and wide carrier acquisition range e Advanced system functions Accepts 44 MHz from the tuner eliminating external base band demodulation IF AGC PWM output All digital recovery loops FEC statistics receiver status and channel data such as S N ratio equalizer taps carrier offset and more are available e Adaptive selection of receiver Adaptive recovery loops based on channel conditions are used to achieve optimum reception for both high doppler echoes conditions and 0dB conditions The synchronization and the equalization algorithms are based on both training signals and blind data lt enables better channel tracking resulting in achieving all A74 requirements Fast channel acquisition in OdB conditions lt 0 5sec Improves immunity to noise
8. signal source enter Channel menu auto tuning check if there are channels be skipped check if the picture and speaker are normal 6 2 AV terminals Input Video signal check if the picture and sound are normal 6 3 YPbPr terminal Input YUV signal VG859 signal generator separately input the YUV signals listed in table4 and check if the display and sound are normal at any situation power on channel switch and format convert etc Table4 YUV signal format 10 SYNC PIXEL SYNC BACK FREQ PERIOD porariry clock Display wiptH PORCH EE LINE kHz LINE pixel TRE LINE pixel LINE pixel LINE pixel FIELD MHz FRAME FRAME FRAME FIELD lines lines lines lines 15 34 1716 Negitive 1440 114 59 94Hz 720x480i 29 94 Negitive 15 31 409 Negitive O 45 1650 Positive 74 25 1280 40 220 erre e a I tz b 33 75 2200 Positive 74 25 1920 44 148 enero e a I et b 67 5 2200 Positive 148 5 1920 44 148 eer e zez ei 9 6 4 VGA terminal Input VGA signal VG848 signal generator separately input the signals listed in table5 and check the display and sound If the image is deflection of the Horizontal and vertical select Menu gt Setup gt Auto Adjust to perform auto correct Table5 VGA signal format SYNC PIXEL SYNC BACK ERE PERIOD POLARITY CLOCK Display WIDTH PORCH Mode LINE kHz LINE pixel LINE ura LINE pixel gise dedi FRAME Hz FIELD lines FIELD FRAME lines ra o VGA 60Hz 31 469
9. to maximum Video Contrast maximum value Brightness maximum value Backlight maximum value Audio Volume maximum value Bass default value Treble default value Press enter key to turn on Full Power and OSD stay display until press enter key to recover from Full Power 6 Source Calibration Source Calibration gain offset must be adjusted color by firmware automatic adjustment in PC Composite and Component input source This item will have a result dialog OK or NG 7 Reset to Default Reset all settings of OSD menu to default value Reset settings Channel table Model table H V Position Clock Phase Source dependent setting Contrast Brightness etc Common setting Volume Language etc Parental Control Rating Password etc Closed Caption 8 RF Burn In Use snow pattern for burn in Selected items are On and Off While turn on burn in mode firmware will automatically turn off Auto power off function If there is no power supply suddenly firmware will re enter burn in mode automatically when power supply is back Pressed the Power key firmware will automatically turn off burn in mode Burn in mode Source is ANT Cable and channel is NTSC channel 3 9 USB F W Upgrade Upgrade firmware through USB 10 UART Enable Enable to communicate with Auto Alignment system 11 Bypass Gamma For factory test value of gamma 6 Performance check 6 1 TV function Connect RF to the center
10. 1 2 4 Has video but no audio out step 2 33 9 Exploded View a la AA A 2 RUA A 2 TIA AR SA KEY PLATE ASSY NA PCBA IR B Cpcs VTV IR42611 O 16 Cpcs Oe es 23 CDC S 24 CDC S V VR Sa TNA ASA FIRMWARE M B VTV L42611 d 1 SN 7 A CDC S N ELO LA PWR MODU 3pcs 9 Replacement Parts List Note All parts aresupplied by PAVCA Safety Part Name amp Description ES AN 1 72200000019A IPCBAIRB j 1 ASA 3 5EDDYY0392 I LCDMODU ah po dd 72200000030A _ SPK SET 90d PIN12d G x 5 ZZ000017A JHCONSET dda y 6 ZZ 000033A J HCONSET dda 7 ZZ000034A JHCONSET dda y 8 ZZ00037A _ JHCONSET dda 9 ZZ 000038A IHCONSET T 11 72200000079A _ IMYLAR AL TAPE 324 7 C AN 12 TZZ000092A__ PWRMODU SPC32PMA dda x 13 TZZ0000025A TOPPANELBRKTASSY dda 15 TzZ00000027A_ BACK COVERASSY NA dda AN 16 TZZ00000028A_ I KEYPLATEASSY NA 1 _ 17 7220000004M4A PANEL BERRITZ 1 _ 18 TZZ000004A PANELBRKT B 19 TZZ00000046A WALL MOUNTBRKT L 1 S 20 72200000047A NAL MOUNTBRKT R dda x 21 72200000048A BOTTOMBRKT 22 72200000049A I POWERCABLESRBRKT dda 23 TZZ000050A _ MAINPCBBRKT CMI 2 _ 24 72200000051A PCB SPRING S x 25 TZZ00000055A_ CR 4305 FORM PD617 dda x 26 Tzz00000078A_
11. LOCKINGCABLETIE 2 x 2 TZZ0000471A JACETICACIDTYPE 4 S 28 72200000083A SCREW LOCK WASHER 8 12 29 TZZ000084A I SCREW dda 30 72200000086A GOREN A x 31 72200000087A SCREW WASHER 32 TZZ000088A J TAPPINGSCREW 4 33 TZZ00000089A MTAPPINGSCREW dda 34 TZZ00000091A_ ISCREW db a AN 37 72200000064A JUSER SMANUAL 32 42 dda 39 TZZ0000067A J KEYLABEL 32420 dda 40 TZZ000015A JENERGY GUIDE 32054 1 ca 40 TZZ000018A ENERGY GUIDE L3252C 1 32520 C x 40 TZZ00006A ENERGY GUIDE BACH 41 TZZ00000 71A I ZIPPEREDBAG dd 72200000074A PE BAG STAND AAA x 43 72200000075A I PEBAGTV gt dd TZZ20000 6A PEBAG dda 45 TZZ00000085A_ SCREW 2 WASHER A 46 TZZ200003A REMOCTRLAAA dda AN 47 72200000029A STANDASSY dda 48 72200000056A JEPSFOAM IL dda 49 TZZ2000057 A_ JEPSFOAM IR 1 x 50 72200000058A EPS FOAM B L x 51 72200000059A EPS FOAM BIR x 52 TZZ00000122A_ RATING NP L32C5X ADI 1 JL32C5X x 52 72200000013A RATING NP 32LC54 ADI dd Ie a x 52 72200000017A RATING NP L3252C ADI 1 32520 a x 52 TZZ00000054A_ RATING NP L32C5 ADI dd J32C5 a dE TzZ00000070A BUBBLE BAG PINK T Essa HE E AAA TZZ00000077A ANTI STA BUBBLE BAG ED 36 10 Boards Layout PCBA IR B Remote Receiver LED All bo
12. ORDER NO MTNC120449CE B01 Canada B61 Service Manual LCD TV Model No TC L32C5 TC 32LC54 TC L32C5X TC L3252C A WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death IMPORTANT SAFETY NOTICE There are special components used in this equipment which are important for safety These parts are marked by A in the Schematic Diagrams Circuit Board Diagrams Exploded Views and Replacement Parts List It is essential that these critical parts should be replaced with manufacturer s specified parts to prevent shock fire or other hazards Do not modify the original design without permission of manufacturer di Panasonic Corporation 2012 anasonic Unauthorized copying and distribution is a violation of law CONTENTS J Salely asea dela 3 2 Alignment instructions and method of software upgrading 5 3 Working principle analysis of the unit 14 Sd Zi OC ee u u usa
13. V035001 390 mm L 360 amp R 570 mm Panel side Main board CN17 Main board CN3 Speaker Tu o 187053 3009LVDS able AZO06WVO 2X20P WTAZ00 WV24 Color LEFT iveco Red JAT PWR ISEK OU GA Green Speaker eee E Eire 2 SPK_OUTL Ea berr 3aivec Rea oy DS d R HE INE a Right 3 SPK OUTR Red P2 Speaker E TL Lalspk QUTR Black P3 Speaker E GND AH oS sono N Main board to IR board 9sELLVDS nc SPC32T AN DC02V034901 IND LH 360mm I EE aa ul VIDS DION IR board CNI Main board oN PI3IRXO White I3 LVDS_D0O P T A2001WR2 5H C ua Tse H o rr ti LVDS DIO N LEEN White iL LVDS ege i zeen O LVDS D2O N I9JRX2 White 9 LVDS D2 lanp Bak IE DI RXCLK Orange 16 LVDS CO N 22 RXCLK White IS LVDS CO P algo HE E BILVDS DO3 aalan Whie 7h LVDS D03 P SEO N a lt L NC sc k nc C E a v qw r o was RR AMINO era aso _ AALEDR Orange ALED R a Sensor S Licht Sensor Pd Pz ES a 29 Trouble shooting 1 Fault clearance Before calling your dealer or service center for assistance check the matters below once again 1 Make sure you have connected LCD TV to your equipment as described in the section CONNECTING LCD TV 2 Check cable connection Verify that all external equipment and power cord are properly connected 3 Verify th
14. and analog TV Teletext etc LINE kHz LINE pixel MODE FRAME Hz FIELD lines 7 Firmware update process 1 Plug the USB with the firmware file named SPC32TM ecc 2 If system detect SPC32TM ecc USB upgrade message would appear automatically Firmware file is detected in USB SPC32TM ecc Do you want to update the above f w 3 Press Left key to select Yes and then press OK key to start the upgrading 12 Firmware file is detected in USB SPC32TM ecc Do you want to update the above f w 4 Upgrading 1s starting please wait for the progress finish Firmware is upgrading Do not power off Progress 8 HM 5 When the progress completed please follow the instruction to remove USB and restart by AC off then on Upgrading is ended Success Please remove the USB Drive and restart the TV by AC off on 13 Working principle analysis of the unit 1 NTSC signals flow Antenna signal will be send to tuner ENV56U05D8F then Tuner will be demodulating and output standard video signal TV CVBS and sound SIF signal TV CVBS will send to the master control IC ZR39748 to video decode de interlace and scaler then output LVDS level drive for panel display The sound IF SIF will be fed into ZR39748 after demodulating pre amplifying bass adjusting and volume control the sound signal will be transform into digital 125 signal and sent to digital amplifier BD5452AMUV 2 Compos
15. ard bl FIRMWARE M B Main Board Audio amp Video Signal Processing dc ic 5 PWR MODU Power AD DC DC DC Sek 9 KEY PLATE ASSY NA Control Button 37
16. at all power is switched on 4 If LCD TV still does not produce an image re start the external equipment 5 If the image still does not appear unplug LCD TV from the external equipment and check the external equipment The problem may be with your graphics controller rather than with LCD TV When you reconnect LCD TV remember to turn the external equipment and TV off before you power up LCD TV Power the equipment back on in order of LCD TV and external equipment 6 If the problem still exists check the following chart Try these Solutions NO POWER Plug this LCD TV into the AC outlet Press POWER button on side control or on Remote Control to turn on LCD TV Check POWER Indicator If this indicator blank this TV has getting trouble Remote Check the batteries Control does Make sure nothing is between the Remote Receiver and the Remote Control Make sure you are not too far from LCD TV when using Remote Control Maximum operating range is 5m Is direct sunlight or strong artificial light shining on LCD TV s Infrared Remote Receiver Eliminate the light by closing curtains pointing the light in a different direction etc No image Check the connection between the external equipment and LCD TV When turning LCD TV on it takes within 12 seconds ATV mode to display the image Check the system that you select is corresponding with the external equipment or the video equipment Make sure the temperature is not out of the Operating Te
17. ation mode Relevant operation is possible only one minute after the power is switched off 2 3 Do not use any adapter that is not identical with the TV set Otherwise it will cause fire or damage to the set 2 4 Never operate the set or do any installation work in bad environment such as wet bathroom laundry kitchen or nearby fire source heating equipment and devices or exposure to sunlight etc Otherwise 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 power off at once Likewise if the screen is not working after the power is on or in the course of operation the power must be cut off immediately and no more operation is allowed under the same condition 2 7 Do not pull out or plug in the connection wire when the module is in operation or just after the power is off because in this case relatively high voltage still remains in the capacitor of the driving circuit Please wait at least one minute before the pulling out or plugging in the connection wire 2 8 When operating or installing LCD please don t subject the LCD components to bending twisting or extrusion collision lest mishap should r
18. digital or line level output Algorithms available for the following Dolbye AC 3 Class A MPEG audio Layer 1 ISO 13818 3 Musicam MPEG audio Layer 2 ISO 13818 3 MP3 MPEG audio Layer 3 ISO 13838 3 Tone generation Post processing 3D surround Dialog Clarity SRS TruSurroundHD QSurround Post processing bass and treble control Audysseye ABX Post processing automatic volume control Audysseye AVL Post processing 5 band equalizer Audysseye AEQ Supports audio and video PTS synchronization Stores processed streams in memory for playback using APU Audio Processing Unit APU Single independent integrated APU unit Audio playback from unified memory Audio select mix cross fade and attenuate all audio sources Supports multiple serial data formats Supports sample rates up to 96 KHz IEC 958 output of encoded or PCM audio data 21 1 2 6 Video Decoders MPEG MP HL decoder Decode of a single HD MP HL stream Decodes of ISO 13818 2 MPOML MP HL Decode of all ATSC compliant formats Slice level and frame level error concealment The decoder engine can decode MPEG compressed bitstreams as defined in the following specifications ISO IEC 13818 2 Information Technology Generic Coding of Moving Pictures and Associated Audio Information Video Up to MP HL A 53 ATSC Digital Television Standard Table 3 DTVMDB04 DIRECTV MPEG 2 Video Bitstream Specification
19. eft gt Exit gt Enter key of remote control to enter factory mode During Factory menu if MENU or EXIT key is pushed system will exit factory mode Press up and down key can move high light item from Color Temperature gt Timer Clear gt Preset Channel gt NVRAM Clear gt Full Power gt Source Calibration gt Reset to Default gt RF Burn In gt USB F W Upgrade gt UART Enable gt Bypass Gamma The Timer Clear NVRAM Clear and Reset to Default items will have a check dialog yes or no to do or not Push Enter key can select high light item function Press left and right can adjust value Display panel Burn in Time on the bottom Display model name firmware version and released date on top Factory Mode OSD SPC32TM 0 003 Nov4201109 11 gt PC32TMAA X HAW version A B C Color Temperature Color Tamperature Color Temperature Col Timer Clear Preset Channel NVRAM Clear Panel version B G Full Power Source Calibration Reset to Default RE Bum In USB FW Upgrade UART Enable Bypass Gamma Panel size 19 22 26 32 37 40 1 Hours 13 Min 1 Factory Color Temp data edit Press up or down key can select high light item function Press enter key to enter the item Color temp default preset No Warm Medium Cool R G B data for each preset Press Up or Down key to select R G B item Press Left or Right key to s
20. esult 2 9 As most of the circuitry in LCD TV set is composed of CMOS integrated circuits it s necessary to pay attention to anti statics Before servicing LCD TV make sure to take anti static measure and ensure full grounding for all the paris that have to be grounded 2 10 There are lots of connection wires between parts behind the LCD screen When servicing or moving the set please take care not to touch or scratch them Once they are damaged the screen would be unable to work and no way to get it repaired If the connection wires connections or components fixed by the thermo tropic glue need to disengage when service please soak the thermo tropic glue into the alcohol and then pull them out in case of damage 2 11 Special care must be taken in transporting or handling it Exquisite shock vibration may lead to breakage of screen glass or damage to driving circuit Therefore it must be packed in a strong case before the transportation or handling 2 12 For the storage make sure to put it in a place where the environment can be controlled so as to prevent the temperature and humidity from exceeding the limits as specified in the manual For prolonged storage it is necessary to house it in an anti moisture bag and put them altogether in one place The ambient conditions are tabulated as follows Temperature Scope for operation Or 40 C Scope for storage 20 60 C Humidity Scope for operation 20 90 Scope for storage 5 90
21. et the R G B value Press MENU or EXIT item to exit to factory mode 2 Timer Clear Reset the timer which records hours of LCD panel burn in This item will have a check dialog yes or no to do or not Time in factory mode Time function shall be displayed automatically Saving the total time of system 9 power on LCD turn on and count the time automatically The timer is continuous and saved per 10 minutes forever unless it will be reset by doing Timer Clear 3 Preset channel Load preset channel for production line Refer 4 4 4 Preset channel table 4 NVRAM CLEAR Initialize program s default values to NVRAM for following adjustment items accuracy In factory mode it is the first and important step to make sure all values are default value and correct Reset settings Gamma table Channel table Favorite channel Channel label etc Model table H V Position Clock Phase Source dependent setting Contrast Brightness etc Common setting Volume Language etc Parental Control Rating Password etc Closed Caption To avoid a mistake initial process after factory setting is done This item will have a check dialog yes or no to do the initial or not Notice After this item is processed then the DUT needs to be powered off then AC powered off 5 Full power This is for power consumption testing To measure the maximum power consumption of TV set we adjust the value of following items
22. for Brazil ensembles over previous Zoran devices e Improved phase noise rejection in OdB conditions NTSC demodulator Fully programmable digital video frequency and group delay equalization including internal digital Nyquist filter and excellent sound carrier digital rejection gt 60dB Digital carrier recovery AFT with accurate report to host Digital carrier recovery without quadrature distortions 23 e Excellent 110 over modulation at all white signal 100IRE Digital video IF AGC and optional delayed tuner AGC with programmable take over point AM interference rejection e BTSC A2 demodulator e BTSC mono stereo and SAP DBX decoding for US NTSC TV reception A2 mono stereo and bilingual decoding for Korea NTSC TV reception e TS demultiplexer Maximum transport bitrate 80 Mbit sec e ISO 13818 1 compliant Supports PID filtering total number of simultaneous PID filters 32 ATSC compliant transport demultiplexer Maximum filtered output demux bit rate of 80 Mbits sec e PCR locking using internal STC counter and VCXO control Demodulator inputs One 1 differential IF pair for all tuner formats e One 1 SIF sound IF for audio only formats 1 2 8 Memory Support 16 bit DDR2 interface 400MHz or 475 MHz Up to 1 87 GByte second peak memory throughput 400MHz DDR2 sufficient for WXGA designs 400MHz DDR2 sufficient for 1080p designs without TCON overdrive 533MHz DDR2 clocked at 4 5MH
23. for the IRD Integrated NTSC decoder 3D adaptive comb filter Eliminates dot crawl from vertical or horizontal transitions Eliminates dot crawl from single pixel lines Eliminates false color from high frequency horizontal luma Performs ideal YC separation for still image No loss in horizontal or vertical chroma detail No loss in horizontal or vertical luma detail Performs well both on real video images and on test patterns e Adaptive horizontal PLL Automatically adjusts loop bandwidth for signal conditions Automatically detects VCR source and enters optimum tracking mode most decoders require a VCR mode bit to be set to optimally handle VCR signals Automatically detects VCR special effects mode and compensates Comb filter automatically disabled when VCR source is detected e Robust sync and DC setup acquisition DC setup and sync recovery is very robust even in the presence of noise ghosting and unlock condition Automatic switch over to fine mode operation once rough lock is acquired Chroma edge enhancement Improves the horizontal transition of the chroma edge e VBI decoder Performs VBI data capture and data slicing embedded in the video lines composite S Video analog RF input JPEG decoding 22 1 2 7 Front End Demod Demux e integrated 8VSB QAM B demodulator e ATSC 8 VSB demodulation Enhanced 8 VSB multi path performance with wide equalizer coverage Superior VSB indoor
24. ion Can also perform simple BLT operations BitBlt stretch BitBlt trapezoid BitBlt mirror BitBlt rotate BitBlt Color space converter Raster Operation ROP 1 2 11 System Interfaces 25 Two 2 PWM outputs e Three 3 2 signal UARTs Maximum baud rate 115200 e 16550 compatible e Third UART is allocated to TVuC and shared with main CPU UART e Two 2 12C master or slave interfaces Maximum bitrate 400 Kb s Master or slave mode One 1 IR receiver with hardware demodulation SPI interface Up to 40 MHz clock rate e Suppports serial FLASH up to 16 MByte Two 2 select signals for peripheral support e Integrated USB interface One High Speed USB v2 0 port 1 2 12 Security Features Integrated One Time Programmable memory OTP e 8 Kb of One Time Programmable OTP secure memory Used for secure storage HDCP Key Selection Vectors KSVs Error Correction ECC Checksum and data e Readable ONLY by specific IROM instructions programmed into the SupraHDe 748 HDMI keys are encrypted with a proprietary Zoran encryption algorithm during the programming process 1 2 13 Misc IC Information e 25 000 MHz crystal input required to support standard ATSC timing 26 27 SPC32T 32 inch Wiring Diagram Limited Height w da EE edi E S e d SS Es a BE ESSE II Wiring Connection CMI panel Main board to Panel Mam board to Speaker SPC32T SPC32T DC02L003001 DC02
25. ite Component signal flow Composite signal and Component signal will be fed to ZR39748 to perform video decode de interlace and scaler then output LVDS drive level for panel display Audio signal from Composite Component terminal via matched resistance is fed to ZR39748 to bass adjust and volume control the sound signal will be transform into digital 12S signal and sent to digital amplifier BD5452AMUV 3 PC signal flow PC signal via terminal socket sent to ZR39748 A D PC output R G B of 24 bit to back end module to Video decode de interlace and image scale then send to LVDS level drive for panel display Sound signal of PC terminal via matched resistance and sent to ZR39748 to bass adjust and volume control the sound signal will be transform into digital 12S signal and sent to digital amplifier BD5452AMUV 4 HDMI signal flow Two HDMI video signals are directly fed to the master control IC ZR39748 to digital decode image scale then output LVDS drive level for panel display HDMI audio signal via decoder built in ZR39748 to bass adjust and volume control the sound signal will be transform into digital 125 signal and sent to digital amplifier BD5452AMUV 5 USB signal flow USB signal via USB connector sent to ZR39748 and its A D conversion to YPbPr output for ZR39748 then output R G B of 24 bit to back end module to Video decode de interlace and image scale then send to LVDS level drive for panel display Sound signal of USB sig
26. mperature 0 C 40 C Turn off power then turn on again re start LCD TV Check Audio cable connection from Audio input source Adjust the Sound System Press VOLUME button Press MUTE button There are tiny Dark or bright points of light red green or blue may appear on the screen black points This is a characteristic of the LCD panel not a malfunction of the LCD TV and or bright LCD panel is produced with very high accuracy technology There is 99 99 or more dot pixel but there is also 0 01 or less of dot pixel lack or dot pixel that is constantly lighted This is not defect not work point on the TV Regarding LCD panel characteristic it may occur picture remain look like a mirror when the screen is changed if it displays same screen for a long time Changing the picture or turn off the power supply may recover Stripe pattern more interference stripes may show up on the screen depends on the reflected picture Abnormal e Adjust the value of color color of image s Select different color system 30 2 Troubleshooting guide The flow chart shown below will help you to troubleshoot your Televison set with it doesn t display normally Each procedure offers a simple way to check for system errors Before starting ensure that there is a signal in and that the Televison is turned on 2 1 Power LED no light 2 2 Has audio but no video out 2 3 Has video but no audio out step
27. nal via matched resistance and sent to ZR39748 to bass adjust and volume control the sound signal will be transform into digital IZE signal and sent to digital amplifier BD5452AMUV SPC32T 32 Block Diagram 4 1 Block Diagram COMPAL lt Main Board j udi IR Board SPC32T Zoran ZR39748 Block Diagram LVDS out Tuner IF PC audio In Digital audio out HDMI 2 HDMI 1 HDMI om HDMI 2 HDMI 1 USB 1 PC P Audio In 15 IC block diagram 1 Zoran ZR748 Integrated Digital amp Analog Demodulator e 8VSB QAM B e NTSC BTSC A2K Video Inputs Three 3 1080p HDMI v1 4a DC One 1 1080p YPbPr One 1 VGA up to WUXGA resolution e Two 2 CVBS One 1 S Video Audio Inputs Five 5 stereo L R line level Internal Video Audio Processing NTSC video decoder MPEG 2 decoder e 10 bit video processing e 10801 motion adaptive de interlacer ACM 2D color processor Graphics blending overlay Audio DSP Video Outputs Dual channel LVDS 1080p up to 10bpp e miniLVDS amp RSDS 6 8bpp up to 330MHz LCD panel timing control signals TCON Audio Outputs One 1 stereo L R DDX differential e One 1 stereo L R single ended DDX e Optional up to four 4 more single ended DDX e Optional up to three 3 125 stereo pairs e One 1 S PDIF System Processors amp Interfaces 300MHz system CPU TV microcont
28. nals activated 330MHZ single channel miniLVDS support with TCON signals activated RSDS single channel output with TCON signals activated BGA package 1 2 5 Audio Processing and I O Five 5 L R line level stereo inputs Multiplexed into a single stereo ADC 16 bit A D conversion 20 82dB dynamic range and 75dB THD A D conversion Supported audio sampling rates from 32 to 96 KHz Up to six 6 channels of audio output on DDX or 125 lines Two 2 DDX differential speaker outputs for direct power stage drive channels 0 1 Or four 4 single ended DDX for analog output channels 0 3 Or one 1 stereo 125 output channels 0 1 12S data aligned in 12S format Contact Zoran for left justified format support e Two 2 single ended DDX for line out channels 2 3 Or two 2 single ended DDX for analog output channels 4 5 only when channels 0 3 are enabled Or two 2 stereo 125 outputs channels 2 5 only when 12S channels 0 1 are enabled 125 data aligned in 12S format Contact Zoran for left justified format support e 12S audio lines shared with DDX can be used as inputs e Six 6 channel 125 input 3 stereo 125 pairs data aligned in 12S format Contact Zoran for left justified and right justified formats support One 1 S PDIF output e Audio decode performed in either both the audio DSP and CPU Audio DSP allows for a significant level of audio post processing L R downmix for standard stereo
29. r y or both x and y value is are smaller than specification Decrease B GAIN drive from default value 4 According to a x and y value please following adjustment of 4 1 or 4 2 4 1 If x value is higher than spec Decrease R GAIN drive from default value Increase B GAIN drive from default value 4 2 If y value is higher than spec Decrease B GAIN drive from default value Step 2 When finish Gain parts then turning OFFSET parts Select Normal 1 Medium spec Same as the Gain session x 0 289 0 005 y 0 306 0 005 2 Ifthe x and y value are larger than specification Decrease R OFFSET drive from default value Increase B OFFSET drive from default value 3 If the x or y or both x and y value is are smaller than specification 8 Decrease B OFFSET drive from default value 4 According to a x and y value please following adjustment of 4 1 or 4 2 4 1 If x value is higher than spec Decrease R OFFSET drive from default value Increase B OFFSET drive from default value 4 2 If y value is higher than spec Decrease B OFFSET drive from default value Step 3 When finishing OFFSET parts then recheck Gain parts unitl Both of them meet the target specification Step 3 Than select Cool using same way to adjust the setting 4 2 4 Exit Factory Mode After finish adjusting color temperature press MENU to exit factory mode 5 Items of Factory menu When in PC Component Video Composite ANT inputs then press the L
30. roller for standby mode One 1 USB 2 0 External SPI Flash Memory 2 16MByte e 2 4MB typical for ATSC DTV application External 16 bit DDR2 Required e DDR2 800 for most design configurations e DDR2 1066 for 1080p with overdrive designs 16 64MByte typical for most designs Power e 1 1V core voltage 1 8V memory I F 3 3V I O e Two Package Options e 365 ball BGA 23x23mmz2 e 256 pin LQFP with e pad 28x28mma Slight variation of support with QFP package 1 1 SupraHDe 748 IC Description The SupraHDe 748 is a member of the SupraHDe family of DTV system on chip SoC developed by Zoran This device is intended to be used in ATSC high definition digital television implementations This device includes all of the functionality required to support the television implementations shown in the following block diagrams Figure 2 shows a typical ATSC system implementation using the SupraHDe 748 Figure 3 shows the detailed block diagram of the SupraHDo 748 Figure 4 shows the video and audio input output options of the SupraHDe 748 1 2 SupraHDe 748 Features The following sub sections list the features of the SupraHDe 748 per category Note that features unique to the BGA package are indicated with a BGA package designation while QFP package features are indicated with QFP package 1 2 1 Embedded Processing Unit High performance CPU Integrated high performance MIPSe 4KEcTM CPU operating at 300MHz
31. urn on the TV a Test the pin voltage of P802 power board the data is shown in table Table1 voltage data of P802 For 32 Voltage 11 4V 12 6V 11 4V 12 6V 4 75V 5 25V Pin12 Pin13 Pin 14 Pin15 Pin16 On 2 5V 5 25V Normal 0V 0 5V On 2 5V 5 25V Off 0 0 5V Abnormal Open drain Off 0 0 5V daiket 3 Alignment flow chart The alignment flow chart is shown as fig 1 Check if DDC HDCP KEY FLASH are written Combined test for general assembly White balance adjustment Connect to the center signal source and check each Function of TV station leaking analog control etc Check the output of earphone and speaker Input AV signal and check the function Input HD signal and check the function of YPbPr Input VGA signal and check if the display is normal check the function analog control horizontal vertical center etc Input USB signal and check if the display is normal check the function analog control horizontal vertical center etc Input HDMI signal and check if the display is normal check the function analog control horizontal vertical center etc Preset ex factory Check the accessories and packing Fig 1 adjustment flow chart 4 Adjustment instruction At any input source then press the lt EXIT and OK Remote control within 1 sec to enter factory mode During Factory menu if MENU key is pushed system will exit factory mode 4 1 Source Calibration
32. ut Separate HSYNC VSYNC inputs TTL level compatible Up to WUXGA 1920x1200x60Hz with reduced blanking Support for 10 bit processing e Up to 165 MHz input bandwidth 19 Standard definition SD video inputs e Two 2 CVBS inputs BGA package One 1 CVBS input QFP package e One 1 S Video input No low pass filter LPF required on SD inputs 1 2 4 Video Output Gradient recovery Up to 10 bit output for 8 bit video input Overdrive Improves LCD response time Proprietary Zoran scheme for applying overshoot undershoot pixel values Display processor Main output display formats include 1920x1080p 1680x1050p 1440x900p 1366x768p 1280x768p 1280x720p and 1024x768p Panel frame rate up to 60Hz support for 1920x1080 panel resolution Output can support 6 8 or 10 bit panels e EIA 608 and ElA 708 closed caption support e Horizontal and vertical flip support Integrated dual channel LVDS output for direct panel display support Supports up to 165MHz see below for miniLVDS speed e 1080p output flat panel support 6 8 and 10 bit panel support Programmable PWM backlight control Spread spectrum clock generation 6 25 clock modulation Integrated Timing Controller TCON for direct panel timing control e Up to 11 user programmable timing control signals to drive source and gate drivers e Fail safe circuit to protect panel from off spec timing e miniLVDS dual channel output with TCON sig
33. z sufficient for 1080p designs with TCON overdrive Up to 128 MBytes maximum memory Typical 64MByte system implementation for WXGA and 1080p designs High performance arbiter with assignable client priorities e SSTL 18 Class 1 electrical interface e Serial FLASH e 40MHz SPI clock Up to 16 MBytes maximum memory Typical 2 4 MByte system implementation 1 2 9 Integrated TV MicroController Support for Sleep mode operation Front panel I O support buttons and display 24 e IRR input General purpose 8 bit ADC with 5 multiplexed inputs i e Voltage monitoring Sleep timer Watchdog timer GPIO interrupt control Support for A V input monitoring Monitors the HDMI inputs for activity Integrated EDID memory for HDMI inputs and VGA inputs 512 bytes memory x 4 input poris Support for automatic VGA signal detection and wake up HDMI CEC support UART for debug Real time clock support 1 2 10 Graphics Processing e 32 bit RGB YCbCr e 16 bit RGB 8 bit indexed with CLUT Graphics Block Transfer BLT Supports copy bit depth conversion and alpha blending of 8 16 and 32 bit pixel maps with 32 bit output Supports Porter Duff alpha blending formulas Alpha destination and alpha compare Point Line Rectangle Text and Trapezoid Draw functions Rectangle Fill function Graphics Unit Scaler GUS Support scaling and blending of several graphics planes in a single operat
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