LC CHASSIS TFT- LCD TV SERVICE MANUAL
Contents
1. aA E G N O Picture Format Temporary mute of volume MUTE Numeric buttons Audio Video AV 0 PC mode transition Teletext MIX TV choice buttons 0 Up Menu Teletext lt gt Left Menu Volume UP Volume DOWN W Red Fastext Button Green Fastext Button Index Button P100 Question Answer button REVEAL UPDATE Button SUB PAGE Button STANDBY Button 9 Return to Selected Program Button SWAP 2 TV mode transition button 0 Menu Button 0 OK Button 2 Right Menu Down Menu Teletext lt gt Program up button P Program down button Blue Fastext Button Yellow Fastext Button STOP Button Teletext enlarge button DOUBLE 5 Equalizer selection button Picture control button SERVICE MENU OF THE TV DEFAULT VALUES OR ITEM NAME 5 VALUES SETUP OPTIONS OFF OFF ADJUSTMENTS 0 255 CONTRAST 0 257 COLOR 0 255 PRESCALE FM 0 127 FACTORY O SW DOWNLOAD SELECTIONS MA PHILIPS SAMSUNG FAST amp TOP NO TEXT FAST TIMER MODE SLEEP TIMER OFF TIMER SLEEP TIMER MSP CLIP REDUCE VOL REDUCE VOLUME REDUCE VOL SWAP ZAPP 2 A d DOLBY VIRTUEL ON OFF LC L5C SERVICE MENU Service Menu is entered by pressing 9 3 0 1 keys on the remote controller when th2. 5 CH2P_LV_O EG6 CH2N_LV_O EG7 CH1P_LV_O EBO CH1N_LV_O EB1 CHOP_LV_O EB2 CHON_LV_O EB3 AVSS_LV O AVDD_LV 3 3 CVDD_1 8 CVSS EB4 EB5 EB6 EB7 DEN DHS DVS RVDD_3 3 CRVSS N C eo ok mo ook oo toc Ede 2 a5 2 62 09 02 0 09 KK CC x k K K K K SS44 YESS 2873100 lt lt TIAN HAAA 944967 6 99 199999972 Akane lt 20 52290000000000 gt 000000 gt 9 900 00 00 STOOL lt gt 0 gt 02 2722722 O LO xr CO CN TODOR D L0 t CO CN v O 10 st TODON OM sr CO OM st 0 1 RR RRR RA ee ee ee eee ee LEE 156 2 155 3 154 4 o 153 5 152 6 151 7 150 8 149 9 148 10 147 1 146 12 145 13 144 14 143 16 141 17 79 140 20 137 21 gt 136 22 135 23 134 24 133 25 132 26 o 131 27 130 en p 29 128 30 427 31 126 32 125 33 mi 124 34 123 35 122 36 NO 121 37 120 3 W 14 39 118 40 117 18 42 45 112 46 111 47 110 48 109 49 108 50 107 51 106 52 e 105 QN st 10 O 00 O gt O st 10 0 O O Q CO st 10 O I 000 O 10
3. General Description 1 Introduction The VCT 49xxl is an IC family of high quality single chip TV processors Modular design and deep submi cron technology allow the economic integration of fea tures in all classes of single scan TV sets The 49 family is based on functional blocks con tained and approved in existing products like DRX 396xA MSP 34x5G VSP 94x7B DDP 3315C and SDA 55xx Each member of the family contains the entire IF audio video display and deflection processing for 4 3 and 16 9 50 60 Hz mono and stereo TV sets The grated microcontroller is supported by a powerful OSD generator with integrated Teletext amp CC acquisition including on chip page memory Fig 1 1 Single chip 49 1 1 Features The VCT 49xxl family offers a rich feature set cover ing the whole range of state of the art 50 60 Hz TV applications PSSDIP88 1 2 package Submicron CMOS technology Low power standby mode Single 20 25 MHz reference crystal 8 bit 8051 instruction set compatible CPU Upto 256 kB on chip program ROM WST PDC VPS and WSS acquisition Closed Caption and V chip acquisition Upto 10 pages on chip teletext memory Multi standard QSS IF processing with single SAW FM Radio and RDS with standard TV tuner TV sound demodulation all A2 standards all NICAM standards BTSC SAP with MNR DBX optional EIA J Baseb
4. 17200 75 7625 22000 76 8325 23200 77 9025 244 00 925 25600 79 5925 26800 80 9325 28000 116 75 128 75 140 75 152 75 164 75 6 14025 14325 14325 176 75 188 75 8 15425 15925 15925 200 75 9 16125 16725 16725 212 75 224 75 236 75 248 75 260 75 4 25225 26325 26325 27275 2 2 2 2 2 CH ORE CH CH CH CH CH CH CH CH CH CH CH CH CH CH CH _ CH CH cH CH CH Channel Number BG 1 DK 1 E E qon 3025 30325 31125 319 25 327 25 335 25 343 25 351 25 359 25 367 25 375 25 383 25 391 25 399 25 407 25 415 25 423 25 43125 43925 447 25 L S 4 46325 46325 46325 46325 ua
5. MP1593 3A 28V Step Down Converter Monolithic Power Systems PRELIMINARY General Description The MP1593 is a step down regulator with an internal Power MOSFET t achieves 3A continuous output current over a wide input supply range with excellent load line regulation Features 3A Output Current Programmable Soft Start 100mQ Internal Power MOSFET Switch Stable with Low ESR Output Ceramic Capacitors Up to 95 Efficiency Current mode operation provides fast transient 20uA Shutdown Mode response and eases loop stabilization Fixed 385KHz Frequency Thermal Shutdown Fault condition protection includes cycle by cycle Cycle by Cycle Over Current Protection current limiting thermal shutdown Wide 4 75 to 28V Operating Input Adjustable soft start reduces the stress on the Range input source at turn on In shutdown mode the Output Adjustable From 1 22 regulator draws 20 of supply current Under Voltage Lockout 2 Available 8 pin SOIC Package The MP1593 requires a minimum number of readily available external components to complete step down DC to DC converter Applications solution Ordering Information Temperature 40 to 85 C Part Number Package MP1593DN SOIC8 w Exposed Paddle For Tape amp Reel use suffix Z e g MP1593DN Z Typical Application Circuit INPUT 4 75to28V MP1593 Distributed Power Systems Battery
6. SKC COLOUR TELEVISIONS e 5 UP y ES gt e 52 3 KN m E 4 2 ANO 13 CHASSIS TFT LCD TV SERVICE MANUAL CONTENTS Safety instructions Technical specifications Power rating and Panel Specifications Remote control explanations Service Menu of the TV Set appearrances Block diagram of the VCTI Block diagram of Microcontroller Genesis Block diagram of power supply Data sheet of important IC s Service mode items and explanations Replacement part List Frequency list of channels PAGES 10 11 12 14 12 23 28 SAFETY PRECAUTIONS GENERAL GUIDELINES 1 Always use the manufacturer s replacement safety components The critical safety components marked with V on the schematics diagrams should not be by other substitutes Other substitute may create the electrical shock fire or other hazards Take attention to replace the spacers with the originals Furthermore where a short circuit has occurred replace those components that indicate evidence of overheating 2 After servicing see that all the protective devices such as insulation barriers insulation papers shields and isolation R C combinations are correctly installed 3 When the receiver is not being used for a long time of period of time unplug the power cord of the Adaptor from the AC outlet Color TFT LCD Module
7. FINLAND UK FRANCE GERMANY IRELAND ITALY NETHERLANDS NORWAY PORTUGAL SPAIN SWEDEN SWITZERLAND HUNGARY TURKISH GREEK GREECE TURKEY PC MODE PC mode can be entered by pressing PC button on the remote controller User can return back to TV mode by pressing the PC or TV buttons After the switching to PC mode VGA input will be displayed on screen as soon as the mode input resolution and frequency is determined If there is no input from the VGA input NO SIGNAL dialog will be displayed for 15 seconds At the end of this period if there is no signal from VGA input the TV will go to Sleep State While in the sleep state the TV will keep monitoring the VGA input If VGA signal is detected the TV will wake from Sleep State to PC mode Alternatively the user may select to switch the TV on from Sleep State just like switching on from Stand by In this case the set will switch on from TV mode SET APPEARANCE OF 26 32 INCH Back light module Main Built in Panel Chassis Back light module Main Chassis BLOCK DIAGRAM OF VCTI AND PERIPHERALS HEADPHONE JACK MULTISYSTEM SAW VCTIIC AT DE TUNER FILTER PSS DIP88 0303 SC1 AUDIO OUT lt Aout1 RIL SC2 AUDIO OUT SPEAKERS Aout2 R L AUDIO AMPL SCART 1 MAX9704 SC1 AUDIO IN OUT E Ain2 L R E Aint L R RGB IN RESET Q S
8. O F COD O O O O O LO LO LO UO LO UO LO KO KO O O O O O O KO O F P P 00 O O OOOO O Y 58 0 9 28505898 555855885988554585988 588580 gt 2 gt 112 12 gt gt i il o5pooooa amp koozrcrootoaonkrTtfrzsn lt ouaccroaoood xona I 25453 gt UADD gt 0525355 ENSF 5 171 05 FO lt x x x x x x X gt X 5105 E 9 2005 o 219 EEE 2 OO ee an oo 86 2 gm5221 Pin Out Diagram AGND_ADC RESERVED AVDD_ADC_3 3 AGND_RED RED RED AVDD_RED_3 3 AGND_GREEN GREEN GREEN SOG_MCSS GREEN 3 3 AGND_BLUE BLUE BLUE AVDD_BLUE_3 3 CRVSS CVDD_1 8 RESERVED VDD_RXPLL_1 8 GND_RXPLL RESERVED AVDD_RXC_3 3 RXC RXC AGND_RXC 3 3 RXO RXO AGND_RXO VDD_RX0_1 8 AVDD_RX1_3 3 RX1 RX1 AGND_RX1 VDD_RX1_1 8 AVDD_RX2 3 3 RX2 RX2 AGND_RX2 VDD_RX2_1 8 AGND_IMB REXT AVDD_IMB_3 3 VCLK GPIO23 VDATAO GPIO22 VDATA1 GPIO21 VDATA2 GPIO20 VDATA3 GPIO19 VDATA4 GPIO18 VDATA5 NC 49 Volume 1 General Description
9. Depends on LCD 4 3 Panels NO 16 9 Panels Depends on LCD 4 3 Panels NO 16 9 Panels Depends on LCD Panorama Letterbox j 0 SSS AA vs vs j vs 5 5 5 5 5 5 5 5 5 5 5 On Off or Slee Optional by to in N E YE YE YE YE YE YE YE YE YE YE St On in PC mode Optional when last watched is PC Stby to On automatically when PC signal is available Optional POWER RATING AND PANEL SPECIFICATION o pe e tion Input Range 100 240V 50 60Hz 100 240V 50 60Hz 100 240V 50 60Hz 100 240 50 60H4100 240V 50 60 21100 240 50 60H 100 240V 50 60Hz Audio Output Power 9010 THD 2X2W 2X3W 2X3W 2X7W 2X7W 2X7W Samsung Samsung Manufacturer CMO Samsung CMO AUO Samsung LG Philips Chimei Chimei AUO a Interface 006 sl ry al LVDS ES TEE single Single LVDS LVDS Singlel LVDS Singel LVDS Singel LVDS SXGA SVGA 800x600 WXGA WXGA AES 05508 NDS IAN 640x480 uu EE AE WCE ETE Brightness cdm2 gt cd m2 gt E 13 14 15 16 REMOTE CONTROL 8 0000 L 0000 19 20 21 22 23 24 25 26 27 28 29 30 31 NCO Q Rw CO N N N NN N N N N N N mi 000 O Q
10. TIMER is selected the user will be able to enter time of the day info for the TV to switch off If SLEEP TIMER is selected the user can specify some time period after which the TV will go to stand by automatically MSP CLIP This selection identifies which method will be used by the sound processor to prevent clipping effects on volume AUTOPROGRAMMING When the user selects the Autoprogram item in Setup menu Country Selection menu is opened The user must select a country before the Autoprogramming starts Broadcast system will be selected according to the country selected Broadcast systems according to countries BELGIUM BG L CROATIA BG CZECH REP DK DENMARK BG FINLAND BG FRANCE L BG GERMANY BG GREECE BG HUNGARY DK IRELAND ITALY BG NETHERLANDS BG NORWAY BG POLAND DK PORTUGAL BG SPAIN BG SWEDEN BG SWITZERLAND BG L TURKEY BG UNITED KINGDOM For countries France Belgium and Switzerland autoprogramming is done twice For Belgium and Switzerland first BG channels will be searched after the search in BG is done searching will restart for L standard If the selected country is France the sequence of standards is reversed thus first L then BG TELETEXT LANGUAGES L5C SW decides which teletext language group will be used for teletext decoding according to the country selected for autoprogramming Teletext languages according to countries EAST EUROPE CROATIA CZECH REP POLAND WEST EUROPE BELGIUM DENMARK
11. is very sensitive both electrically and physically Users therefore are requested to follow the Guidance of handling color TFT LCD Module on the followings 1 Be careful not to make scratch on the polarizer Surface of polarizer is soft and can be physically damaged easily Please do not touch push or rub polarizer surface with materials over HB hardness 2 Keep clean the surface Please wear rubber glove when touch the surface of LCD screen Please use soft and antistatic material as cleaner 3 Keep out of water Water on in the LCD may cause electrical short or corrosion Please wipe out dry or water carefully 4 Prevent swift Temperature Humidity change Instantaneous temperature and or humidity change can make dew or ice which cause nonconformance such as malfunction 5 High temperature amp high humidity reduce the life time LCD is not proper to be used at high temperature and high humidity Please keep specified temperature and humidity condition 6 Keep out of Corrosive Gas Corrosive gas effect the polarizer and the circuit chemically and cause defects accordingly 7 Electrostatic discharge can make Damage There are electro static sensitive components such as CMOS in LCD Module Please earth human body when handle the LCD In addition please do not touch the interface connector pin with bare 8 Donot operate for a long time under the same pattern Operating LCD for a long time under
12. 117 CONVERTOR Tuner Supply 3 3V STBY OPTIONAL FOR 20 W 22 23 U601 LM1117 gt J VOLTAGE DOUBLER 33V For Tuner PANEL POWER 0604 519933 MOSFET POWER 5V U605 SWITCH MC78L08 E Y AMP_POW INV_POW BLOCK DIAGRAM OF 26 32 INCH POWER SUPPLY 12V R101 150K R609 220K R102 10K 5 R101 56K R609 NI R102 18K INV POW AMP POW S step DOWN E O CONVERTOR gt 5 5V 606 LM1117 o Enable lt 0100 1593 STEP DOWN 5 STBY CONVERTOR 3V3 STBY U601 LM1117 U101 MC34063 33V For STEP UP Tuner CONVERTOR 1V8 STBY U603 LM1117 _ gt lt Stand by 2 0605 MC78L08 GENESIS GM5221 LCD TV CONTROLLER The gm5221 is an LCD TV controller supporting resolutions up to SXGA 1280x1024 The gm5221 leverages Genesis patented advanced image processing technology as well as a proven integrated ADC PLL and an Ultra Reliable DVITM compliant digital receiver to provide excellent image quality gm5221 also integrates a microcontroller an OSD controller advanced color management and dual LVDS tran
13. 170754R 170754R 170754R 170754R 170754R 170754R RC CHIP 249R 1 0603 PART PART Pos NUMBER PART DESCRIPTION Pos NUMBER PART DESCRIPTION PART PART Pos NUMBER PART DESCRIPTION Pos NUMBER PART DESCRIPTION PART PART Pos NUMBER PART DESCRIPTION Pos NUMBER PART DESCRIPTION PART PART Pos NUMBER PART DESCRIPTION Pos NUMBER PART DESCRIPTION 0600 453553R MP1593DN LF Z DC DC CONV SOIC8N x52527R CABLE WITH TERM L 110MM YEL C600 294125R CC CHIP 100NF K 25V 0603 X7R ZF7524R HARNESS AC POW PLUG SW C601 294256 100 K 25v 0603 X7R_ 17 172 CUASSY 32WL97 L5A TX8193 10 J308 031163R KONN CINCH WHITE HOR 14 1 Re 101494R CFR470RJ14W 626MM 031164R KONN CINCH RED HOR 14 1 1872 CUASSYS2LS7LSAVER 031165R KONN CINCH YELLOW HOR 14 1 5303 031251R scARTSOCKET 14 1 7x9174 CUASSYPNS2Le4LSAVER citi 252428 EC100UF16V116R 5 Re 102141R ICFR1KJ14W 626MM C563 253227R EC2200UF35V 16 25 R75 102400R CFR3 9KJ1 4W 6260MM KW5502R CABLE PANEL LVDS 32 AUO VERS V5 L 300MM TW5140 LC26 32 AUDIO AMPLIFIER MW1504R CON CAB PSU AUDIO MODULE L 380 MAKARON C484 250227R EC2 2UF 16V 115R 5 031491R PLUG AC INLET TWO PHASE NOISE FILTER__ C250 294476R ICC CHIP470NFK16V 0805X7R Y56913R AC12V 4A 15 CLASSIIW O
14. C1 CVBS IN SUBWOOFER SUBWOOF SPEAKER SC2 CVBS IN gt SVHS C Y IN OPTIONAL RCA CVBS IN OPTIONAL SC1 CVBS OUT 4 SC2 CVBS OUT 1 94 241 02 MS NIVW LS 2nd RGB SWITCH RGB DSUB PI3V512 VGA SOCKET HS VS DSUB RGB SW HS VS SW SWITCH R CD4053 CD4053 AUDIO AUDIO SWITCH SWITCH OPTIONAL OPTIONAL BLOCK DIAGRAM OF GENESIS AND PERIPHERALS RESET Q lt IR INPUT KEYBOARD U201 EEPROM 24LC16 U203 SERIAL FLASH 25VF040 SCART1 PIN 8 gt SCART2 PIN 8 STANDBY lt STANDBY 2 lt MUTE lt U200 GM5221 1 GENESIS LCD TV CONTROLLER 24 BIT RGB OUTPUT TO LVDS INTERFACE PANEL CTRL DE e CLOCK PANEL EN MEMORY CARD RCA SW RCA S2 SW S1 MAIN SW gt PC SD SW LED LED 2 gt PANEL PWR BACKLIGHT EN BACKLIGHT CONNECTOR BRT ADJ UART RX TX S202 SW UPDATE CONN BLOCK DIAGRAM OF 14 23 INCH POWER SUPPLY OPTIONAL FOR 14 17 20 0602 1593 STEP DOWN 0600 MP 1593 STBY 1 8V STBY CONVERTOR STEP DOWN 0603 LM1
15. Charger Pre Regulator for Linear Regulators Monolithic Power Systems MP1593 3A 28V Step Down Converter PRELIMINARY Pin Description Exposed Pad on Backside Connect to Pin 4 Table 1 Pin Designators Description BS High Side Gate Drive Boost Input BS supplies the drive for the high side n channel MOSFET switch Connect a 10nF or greater capacitor from SW to BS to power the high side switch IN Power Input IN supplies the power to the IC well as the step down converter switches Drive IN with a 4 75V to 28V power source Bypass IN to GND with a suitably large capacitor to eliminate noise on the input to the IC See nput Capacitor section SW Power Switching Output SW is the switching node that supplies power to the output Connect the output LC filter from SW to the output load Note that a capacitor is required from SW to BS to power the high side switch GND Ground Note Connect the exposed pad on backside to Pin 4 FB Feedback Input FB senses the output voltage to regulate that voltage Drive FB with a resistive voltage divider from the output voltage The feedback threshold is 1 222 See Setting the Output Voltage section COMP Compensation Node COMP is used to compensate the regulation control loop Connect a series RC network from COMP to GND to compensate the regulation control loop In some cases an additional capacitor from COMP to G
16. GND 0410 303867R DIODE CHIP SL23 DO214AA C4A187F KUMANDAKMK 01 SILVER BEKO S LI 1406 055622R FERRITBEAD CHIP 100MHZ4A Y92913R ADAPTOR AC12V 5A CLASS II W O GND UK 1411 0556228 FERRITBEAD CHIP 100MHZ4A 038948R MAIN CABLE CLSII UK TYPE 173228R RC CHIP22KJ 710W 0603 8R9183RFJ1 INVERTOR 17 W FUJITSU PLCD0817410 R435 173228R IRC CHIP22KJ1 10W O603 X60183RSS2 15 LTM150XH LOGA PLCD2615412 F600 0542908 FUSESA250VROUND _ ZHIIB3RLP2 VERTOR 20 L2o1vo2 A3Ke YAA FREQUENCY TABLE MHz Channel Number BG I DK LL 42978 CH 6 18225 17525 17525 18400 CH 8 19625 19125 19125 20000 CH 9 20325 19925 19925 20800 13 5375 4575 19625 CH 4 6225 5375 21025 CH 15 8225 6175 CH 16 17525 6975 CH 17 18325 9525 CH 8 1925 9 202 CH 9 21025 J Channel Number BG 1 DK wit H H 71125 719 25 H 727 25 735 25 H 743 25 H 751 25 759 25 767 25 775 25 60 78325 78325 78325 78325 791 25 799 25 807 25 815 25 823 25 66 83125 83125 83125 83125 839 25 68 84725 84725 84725 847 25 69 85525 85525 85525 85525 oo 86325 86325 on 87125 Rp 5792 j 88725 16000 74 6925
17. ND is required See Compensation section EN Enable Input EN is a digital input that turns the regulator or off Drive EN high to turn on the regulator drive EN low to turn it off An Under Voltage Lockout UVLO function can be implemented by the addition of a resistor divider from to GND For complete low current shutdown its needs to be less than 0 7V For automatic startup leave EN unconnected 55 Soft Start Control Input SS controls the soft start period Connect a capacitor from SS to GND to set the soft start period A 0 1uF capacitor sets the soft start period to 10ms To disable the soft start feature leave SS unconnected REPLACEMENT PART LIST The components which are referred positions may changes by model size cosmetic and specification of the LCD TV Please apply web pages for current part list The items marked with red are safety components or need to be replaced with original approved parts PART PART Pos NUMBER PART DESCRIPTION Pos NUMBER PART DESCRIPTION H PHONE MOD PN LCDTVL5ACHASIS R213 172479R RC CHIP 4 7K J 1 16W 0603 YO187R R CLSASASIKUMANDA KMK 01 SILVER R408 1704748 RC CHIP 478 J 1 16W 0603 _ LC SD 32W M INX 2 K SVIVGAIA OSDIAU3 R409 1704748 RC CHIP47RJ 1 16W 0603 J310 031163R KONN CINCH WHITE HOR 14 1 170754R 031164R KONN CINCH RED HOR 14 1 170754R 170754R
18. T2R RSW1 AIN3L AOUT2L RSW2 AOUT1R EW AOUT1L VERT SPEAKERR VERT SPEAKERL PSSDIP88 2 package VAREFAU VSUP5 0BE VSUP8 0AU GND GND January 2001 FAIRCHILO AA S MICONDLICTOTA Si9933ADY Dual P Channel PowerTrench MOSFET General Description Features This P Channel MOSFET is a rugged gate version of 5 20 V 75 mQ Vas 4 5 V Fairchild Semiconductors advanced PowerTrench process It has been optimized for power management Roson 105 Ves 3 0 V applications with a wide range of gate drive voltage Roson 115 Ves 2 7 V 2 5 12V Extended Vess range 12V for battery applications Applications Low gate charge Load switch Motor drive High performance trench technology for extremely DC DC conversion low Power management High power and current handling capability Absolute Maximum Ratings 7 25 c unless otherwise noted Symbol Parameter Ratings Units Drain Source Voltage Gate Source Voltage Drain Current Continuous Note 1a Pulsed Power Dissipation for Single Operation Note 1a Note 1b Thermal Characteristics Reva Thermal Resistance Junction to Ambient Note 1a Thermal Resistance Junction to Case Note 1 Package Marking and Ordering Information Device Marking Device BReelSize Tape width Quantity 88 EADY 2500 le 2001 Fairchild Semiconductor International Si9933ADY Rev A W AQVE E66 S
19. and sound processing for loudspeaker chan nel volume bass and treble loudness balance spatial effect e g pseudo stereo Micronas AROUND virtual Dolby optional Micronas BASS CVBS S VHS and RGB inputs 4H adaptive comb filter PAL NTSC multi standard color decoder PAL NTSC SECAM Nonlinear horizontal scaling panorama vision Luma and chroma transient improvement LTI CTI Non linear color space enhancement NCE Dynamic black level expander BLE Scan velocity modulation output Soft start stop of H drive Vertical angle and bow correction Average and peak beam current limiter Nonlinear and dynamic EHT compensation Black switch off procedure BSO IFIN IFIN TAGC SIF CVBS in YCrCb in RGB in CVBS out AIN AOUT SPEAKER ADB DB PSENG PSWEQ WRQ RDQ Fig 1 2 Block diagram of the VCT 49 GND GND VSUP3 3FE VSUP1 8FE P10 VOUT3 P11 VOUT2 P12 VOUT1 P13 VIN1 P14 VIN2 P15 VIN3 P16 VIN4 P17 VIN5 P20 DFVBL VIN6 P21 VIN7 SCL VIN8 SDA VIN9 VPROT VIN10 HOUT VIN11 HFLB SAFETY gt P22 GNDDAC XTAL2 VSUP3 3DAC gt lt XTAL1 VSUP3 310 O VSUP1 8DIG GND GND GND er GND VSUP3 3BE VSUP3 3DIG XREF VSUP5 0IF VRD GNDIF BOUT RESETQ GOUT IFIN ROUT IFIN SVMOUT VREFIF BIN gt TAGC GIN SIF AIN1R RIN AIN1L FBIN AIN2R GNDM AIN2L SENSE AIN3R AOU
20. e Picture icon is highlighted in the Main Menu Service Menu has 3 sub menus These are Options e Adjustments e Selections Navigation through these menus can be done by pressing OK button Every adjustment made in this menu is saved automatically OPTIONS Options are adjustments that the user can select On or Off SCART 2 FAV SVHS HOTEL MODE STAND BY MSP CARRIER MUTE WSS SCART FIRST ATS SCART 2 FAV I SVHS If a source is disabled in the Service Menu it will be skipped during source switches If SCART2 is enabled SW assumes that the FAV source share the same path as the SVHS source on the HW If it is disabled it is assumed that and SVHS share separate paths TUNER and SCART1 are enabled by default HOTEL MODE Enabling Hotel Mode has two effects First SETUP menu is no longer accessible by the user Second maximum adjustable volume value is limited to HOTEL VOLUME value This value can be adjusted in the ADJUSTMENTS sub menu of the Service Menu STAND BY If this Option is OFF the TV will stay in Stand By mode after a Power On If this Option is ON the TV will recall its last stand by status before the Power Off and switch on from Stand By automatically if the last state was Stand by On MSP CARRIER MUTE If this option is ON sound processor s carrier mute functionality will be enabled The MSP will mute the sound automatically if the signal quality is bad Setting this option Off will disab
21. le this functionality ATS If this option is set to ON TV will display Country Selection menu in the next start After some country is selected the user will be prompted for the start of AutoProgramming process ADJUSTMENTS This sub menu contains numeric adjustments These items are WHITE R WHITE G WHITE B BRIGHTNESS CONTRAST COLOR PRESCALE FM PRESCALE NICAM PRESCALE SCART HOTEL VOLUME WHITE R WHITE WHITE These are used for color bias adjustment Unlike other items in the service menu changes will take effect immediately PRESCALE FM PRESCALE NICAM PRESCALE SCART These are prescale values that will be used for the initialization of the sound processor MSP at the next switch on HOTEL VOLUME This value is used as the volume limit when the Hotel Mode is on SELECTIONS This sub menu contains selections e TUNER TYPE SAMSUNG PHILIPS TELETEXT NO TEXT FAST MSP CLIP REDUCE VOL REDUCE TONE TUNER TYPE One of two supported tuner can be selected from this item System must be restarted for this change to take effect TELETEXT NO TEXT Teletext is totally disabled TXT MIX button will not be functional AUTO picture format mode will be disabled in RF F AV and SHVS modes Naming and sorting functionality during Autoprogramming will be disabled FAST TOPtext functionality will be disabled FAST amp TOP TOPtext functionality is enabled TIMER MODE If OFF
22. r 50mW sleep mode power consumption e debug support for firmware debugging Built in Test Pattern Generator e Simplifies manufacturing test Energy Spectrum Management ESM e Digital clock spectrum management e Eliminates EMI suppression components and shielding Built in LVDS Transmitters e Four channel 6 8 bit LVDS transmitter e Support for 8 or 6 bit panels with high quality dithering e Single double wide up to SXGA 75Hz output e Pin swap odd even swap and red blue group swap of RGB outputs for flexibility in board layout Highly integrated System on a Chip e All system clocks synthesized from a single external crystal e 50mW power saving mode e 5 Volt tolerant inputs Two Layer PCB support e On chip reset feature to eliminate external reset component e Integrated Schmitt trigger for HSYNC and VSYNC PACKAGE 208 PQFP 3 3V IO and 1 8V core power supplies 2 gm5221 Pinout The gm5221 devices are packaged in 208 pin Plastic Quad Flat Pack PQFP ROM DATA3 ROM DATA2 ROM DATA1 ROM DATAO ROM OEn ROM WEn ROM CSn CRVSS CVDD 1 8 RESERVED AVDD LV E 3 3 AVSS LV E LV E ERO CH3N LV E ER1 LV E ER2 CLKN_LV_E ER3 CH2P_LV_E ER4 CH2N_LV_E ER5 CH1P_LV_E ER6 CH1N_LV_E ER7 CHOP_LV_E EGO CHON_LV_E EG1 AVSS LV E AVDD LV E 3 3 AVSS LV AVDD LV 3 3 AVDD LV O 3 3 AVSS LV LV O EG2 CH3N LV CLKP LV O EG4 LV
23. smitters 1 1 gm5221 System Design Example Figure 1 below shows a typical dual interface LCD TV system based on the gm5221 Designs based on the gm5221 have reduced system cost simplified hardware and firmware design and increased reliability because only a minimal number of components are required in the system AUDIO AUDIO PROCESSOR AMPL Figure 1 gm5221 System Design Example 1 2 gm5221 Family Features Intelligent Image Processing e Fully programmable zoom ratios e High quality shrink capability from UXGA resolution e Programmable coefficients for variable sharpness control RealRecovery provides full color recovery image for refresh rates higher than those supported by the LCD panel Analog RGB Input Port e Supports SDTV RGB inputs interlaced mode e Supports EDTV 480p up to 1080i HDTV inputs e Supports mid level clamp for YPbPr inputs e Macro vision decoding Supports up to 162 MHz SXGA 75Hz UXGA 60Hz e On chip high performance PLLs single reference crystal required Composite sync Sync on Green SOG and Sync on Y SoY support e Input format detection e Phase and image positioning Ultra Reliable DVI Compliant Input Port e Operating up to 165 MHz up to UXGA 60Hz e Direct connect to all DVI 1 0 compliant transmitters e High bandwidth Digital Content Protection HDCP Note HDCP function is available H version only CCIR 656 8 bit Video Inpu
24. t Port e Supporting NTSC PAL interlaced and progressive e Direct connect to commercially available video decoders e Spatial de interlacing Advanced Color Management e Programmable gamma correction CLUT e color controls including hue and saturation controls e Full color matrix allows end users to experience the same colors as viewed on CRTs and other displays e g SRGB compliance e Advanced Active Color Management ACM II provide flesh tone compensation and image enhancement for video preset modes like sport nature e Adaptive Contrast and Color ACC ensures full dynamic range is used in video content On chip Versatile OSD Controller e On chip RAM for high quality programmable menus e 1 2 and 4 bit per pixel character cells e Horizontal and vertical stretch of OSD menus e Blinking transparency and blending e Supports two independent OSD menu rectangles e Proportional fonts Embedded X86 On chip Microcontroller e High performance X86 MCU with on chip RAM and ROM e External parallel ROM or serial SPI ROM interface e Unified memory architecture simplifies chip programming 23 general purpose inputs outputs GPIOs available 2 wire serial bus master to control NVRAM video decoder e Two DDC2Bi ports with DMA buffer to internal RAM e Four PWM outputs for analog backlight control audio etc e General purpose ADC s for keypad and temperature sensing e Integrated reset circuit e Slow clock mode fo
25. the same pattern can cause image persistence and can damage it Please follow following guidance 1 Turn the power off when do not use 2 Change the pattern periodically LTI CTI Filters Sync On Green SOG support on graphics Stereo Decoding German A2 Nicam BTSC YPbPr In Progressive Number of speakers Supported Menu Languages Picture Formats 4 3 16 9 14 9 Panorama LetterBox Subtitle WSS Wide Screen Signalling ATS Automatic Tuning System Manual Search AFT Auto Fine Tuning Number of Program Storage No Ident Timer AVL Automatic Volume Level Sound Status Memory Picture Status Memory Zapping Swap Panel Lock Picture Format Switching Through Scart Pin 8 Auto RGB Detect Through Scart Pin 16 Timer Picture Smart Modes Sound Smart Modes Simple Hotel Mode Wake Up in PC SPECIFICATIONS areca dno RENE tna es j x man a a x Om O 2 28 evel 1 5 2 5 Teleweb Teletext 1 5 Fast Text Optional Type Top Text amp Fast Default List Mode Optional Page Memory ENGLISH DEUTSCH DUTCH FRANCAIS ESPA OL ITALIANO PORTUGUESA EHAANIKA SVENSKA NORSK SUOMI T RK E POLSKI MAGYAR CESTINA ROMANESTE SLOVEN INA DANSK SERBIAN Bulgarian Crotian gt gt 22 Languages 43 Panorama No Text Optional 4 3 Panels Depends on LCD 16 9 Panels YES 4 3 Panels NO 16 9 Panels
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