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20” TFT TV SERVICE MANUAL (17MB18)

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4. 3 18 7 Panel Inverter Connector 1x11 PL176 Pin Symbol Description Pin Symbol Description 123 12V_INV Inverter power supply 8 BKLON 4 GND Ground 9 GND Ground 5 GND Ground 10 PWMOUT Brightness control 6 7 GND Ground 11 GND Ground 17 TFT TV Service Manual 31 3 18 8 Keypad Card Connector 1x5 PL175 Pin Symbol Pin Symbol 1 Keyl 6 Key3 2 Key2 7 4 3 GND 6 5 4 VCCSA Analog 5V 9 Key6 5 GND 10 Key7 or PWR KEY 3 18 9 Optional Keypad Connector to UOC 1x2 PL 202 Pin Description 1 Data Ground 3 18 10 LED amp IR Receiver Connector 1x6 PL202 Pin Symbol Description Pin Symbol Description 1 ON OFF or PWR KEY 4 LEDI Led2 output 2 GND Digital 5 IRRCVR IR signal input 3 LED2 Led output 6 VCC5 Digital 3 18 11 Optional Rocker Sw Connector 1x4 PL500 Pin Description 1 2 12V External Power Supply In from JK500 3 4 Switched 12V 3 18 12 PROMJet Connector 2x25 PL101 Pin Symbol Description Pin Symbol Description 12 NC Not connected 27 28 A 15 16 Address 3 All Address 29 30 A 13 14 Address 4 V3_3D Digital 3 3V 31 32 A 11 12 Address 5 GND 33 34 A 9
5. Pin Signal Description Signal level Impedance 1 500281 Audio output right 0 5V rms lt lkohm 2 SCIRI Audio input right 0 5V rms gt 10kohm 3 SCOLI Audio output left 0 5V rms lt lkohm 4 Ground audio 5 Ground 6 SCILI Audio input left 0 5V rms gt 10kohm 7 BIN Blue input 0 7V 750hms 8 STATAVI1 Function select AV control gt 10kohm 9 Ground 10 Not connected 11 GIN Green input 0 7V 750hms 12 Not connected 13 Ground red 14 Ground blanking 15 En ES mpat or ia een 75ohms input 16 FBLIN RGB switching control Se ev e 7Sohms 17 Ground video input amp output 18 Ground RGB switching H control 19 CVBSO2 Video output composite 1V including sync 75ohms og VISCARD PHI EE tee 750hms Luminance input 21 Common ground shield 3 18 3 S Video Connector JK403 Pin Signal Impedance 1 Ground 2 Ground 3 Luminance 750 4 Chrominance 750 3 18 4 LVDS Panel Connector 1x20 PL179 Pin Symbol Description 1 NC 2 LVDS_GND Ground 3 TXOUT3 LVDS Signal 4 TXOUT3 LVDS Signal 5 LVDS GND Ground 6 TXCLKOUTO LVDS Signal H TXCLKOUTO LVDS Signal 8 LVDS GND Ground 9 TXOUT2 LVDS Signal 10 TXOUT2 LVDS Signal 11 LVDS GND Ground 12 TXOUT1 LVDS Signal 13 TXOUTI LVDS Signal 14 LVDS GND Ground 15 TXOUTO LVDS Signal 17 TFT TV Service Manual
6. SYMBOL SC No AUDIO MONO DESCRIPTION P0 0 I2SDI1 0 106 port 0 0 or l2S digital input 1 or l2S digital output PO O 16 106 0 0 P1 3 T1 107 107 107 port 1 3 or Counter Timer 1 input P1 6 SCL 108 108 108 port 1 6 or I2C bus clock line P1 7 SDA 109 109 109 port 1 7 or l2C bus data line VDDP 3 3V 110 110 110 Gov to periphery and on chip voltage regulator P2 0 TPWM 111 111 111 port 2 0 or Tuning PWM output P2 1 PWMO 112 112 112 port 2 1 or PWMO output P2 2 PWM1 113 113 113 port 2 2 or PWM1 output P2 3 PWM2 114 114 114 port 2 3 or PWM2 output P3 0 ADCO 115 115 115 port 3 0 or ADCO input P3 1 ADC1 116 116 116 port 3 1 or ADC1 input VDDC1 117 117 117 digital supply to core 1 8 V DECV1V8 118 118 118 decoupling 1 8 V supply P3 2 ADC2 119 119 119 port 3 2 or ADC2 input P3 3 ADC3 120 120 120 port 3 3 or ADC3 input VSSC P 121 121 121 digital ground for m Controller core and periphery P2 4 PWM3 122 122 122 port 2 4 or PWM8 output P2 5 PWM4 123 123 123 port 2 5 or PWM4 output VDDC3 124 124 124 digital supply to core 1 8V VSSC3 125 125 125 ground P1 2 INT2 126 126 126 port 1 2 or external interrupt 2 P1 4 RX 127 127 127 port 1 4 or UART bus P1 5 TX 128 128 128 port 1 5 or UART bus 3 3 PW1306 The PW1306 Video Image Processor is a system on a chip that oversamples and processes RGB or YPbPr video from analog video decoders The PW1306 integrates video processing including deinterlacer and video enhancement f
7. iii 42 5 2 2 Creating Mass Production EEPROM sese 42 3 ET EE EE 42 Dido 42 b 93 2 Ve Te MO MU sists salle iii ian alia 42 53 35 WINDOW AR AE ese li A A N EE 43 5 3 4 Options Me 43 5 35 Settings Menu is nana E AT AA A AAJ 43 5 4 PO Mode Mensa ss edge O TTT 43 5 4 1 PretureMenu o lele A e en ekde eal 43 5 4 2 Audio MENU ser o dado e lala a a nela ado ed n 44 543 Window 44 54 4 Options Mens luna NA VO ALNI ARI 44 6 BLOCK DIAGRAM ll he DE N MG OS aed eh deo lag ga ON ata did OS 45 7 CIRGUIFDIAGRAMS nO AA re ai 47 7 1 17MB18 Main Board 60 ss ee ee ee ee se ee ee ee ee ee ee ee ee ee ee ee ee ee ee 47 1 2 Keypad Schematics ie ss AV NI ENIAM FA IN INKA 52 73 Board Schematics swiss saoo seneso edhe latencies a poe e dee Ie o dada 53 7 4 Remote Controller Schematics suse ee ee ee ee ee ee ee cn nn ee ee ee 54 ii 17 TFT TV Service Manual 19 11 2003 1 INTRODUCTION 1 1 Scope The document covers 20 17MB18 chassis building blocks basic features service menu settings and the other information needed by service personal 1 2 General Features The system is a 14 to 20 TFT LCD TV solution with UOCIII Versatile Signal Processor and PW1306 Video Image Processor chip set on 4 layer PCB The TV will support PAL SECAM B G D K I L L The other general default features of the TV are as listed below
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11. 1 Full Scart input with SVHS support 1 SVHS input through standard S Video interface 1 CVBS input through standard RCA jack 75 ohms antenna input D Sub 15 PC Input GERMAN NICAM STEREO 3W S B Power Consumption from mains supply 2x3W Speaker Output Power 16 Ohm spks HP Output Stereo Audio line out Stereo Audio line in Equalizer IR Control RC5 OSD Menu Languages ENG FRA GER ITA SPA POR TUR SWE DEN FIN NOR POL HUN CZE BUL ARA PER RUS subject to change and be grouped Teletext 2H 4H Comb Filter White balance settings warm normal cool for TV amp PC Full AIR amp CABLE band coverage Auto Shut down 2 SYSTEM BUILDING BLOCKS 17MB18 chassis main blocks are as follows e Analog Front End UOCIII Microcontroller Video Proccessor Sound Proccessor IF CTI Tuner SAW filters Audio Amp DAC e Back End PW1306 Microcontroller Scaler OSD Keyboard IR Interface e Side Board s Keyboards IR LED Boards TTL Panel Interface Cards VCbCr Input Board Optional 2 1 Analog Front End 17MB18 Main Board consists of two major blocks The first block is analog front end and this block is handled by UOCIHI chip that is highly multifunctional This IC does demodulation of Video amp Audio from Tuner IF CVBS Audio RGB SVHS input selection and processing It has an audio processor that supports equalizer or tone control volume control AVL surround effect etc and supplies amplifier headphone an
12. Options by using right button of RC Press Down button of the RC and activate auto adjustment Press right button of the RC to perform auto adjustment and press M to exit from Menu Apply black on the left white on the right as seen below XGA 60Hz 1024x768 pattern from PC Enter PW1306 service menu as described above Press RC DOWN button at Service Submenu 1 and highlight ADC Calibration Press RC RIGHT button to start calibration 17 TFT TV Service Manual 424 Init NVM e Press RC RIGHT button at Service Submenu 1 and switch to Service Submenu 2 e Press RC DOWN button and highlight Init NVM e Press RC RIGHT button to set TV to initial settings Next time TV is turned on default settings will be loaded to TV 4 25 Initial APS e Press RC RIGHT button at Service Submenu 1 and switch to Service Submenu 2 e Press RC DOWN button and highlight Initial APS Press RC RIGHT and LEFT buttons to set Initial APS to on or off When Initial APS is set to on TV will display Initial APS menu at first time it is turned on 4 2 6 Country Press RC RIGHT button at Service Submenu 1 and switch to Service Submenu 2 Press RC RIGHT button at Service Submenu 2 and switch to Service Submenu 3 Press RC DOWN button and highlight Country Press
13. 1 144 FM Radio FM Radio options 1 145 PWR SAVING Power options 1 146 PWR PERF Power options 3 147 PWR REST Power options 0 148 PWR ONKEY Power options 1 149 Factory Mode GTV 3 2 1 0 150 CombFil Combfilter enable disable Video options 1 151 BlueBlackNoMute Video options 0 152 ATS Installation opt 1 153 EVG Bit Control 0 154 DFL Bit Control 0 155 XDT Bit Control 0 156 AKB Bit Control 1 157 OSVE Bit Control 0 158 CL Colour alignment 10 159 LCD BRT UOC Brightness Sub System 36 160 LCD CON UOC Contrast Sub System 32 161 LCD CON FE RF frontend contrast adjust Sub System 30 162 LCD CON AVI Scart CVBS contrast adjust Sub System 32 163 LCD CON AV1S Sub System 32 164 LCD CON AV2 AV CVBS contrast adjust Sub System 32 165 LCD CON AV2S S Video input contrast adjust Sub System 32 166 RBL Sub System 0 167 EGL Sub System 0 168 LPG Sub System 1 169 PGR UOC Red Contrast Sub System 32 170 PGG CVBS UOC Green Contrast for CVBS input Sub System 32 171 PGG RGB UOC Green Contrast for RGB input Sub System 34 172 PGB UOC Blue Contrast Sub System 32 17 TFT TV Service Manual 37 4 1 2 Tuner AGC Alignment In this part tuner AGC alignment procedure is described A TV pattern generator with RF output and volt meter are needed for this alignment Test Set up NICAM Stereo and 60 dB PAL B G RF signal from pattern generator will be applied Frequency must be set to 224 25 MHz e Turnon the TV
14. 10 Address 6 ROMOE ROM output enable 35 36 37 NC Not connected 7 9 11 13 D 0 3 Data 38 ROMWE ROM write enable 8 10 12 14 D 8 11 Data 39 V3_3D Digital 3 3V 15 V3_3D Digital 3 3V 40 42 NC Not connected 16 18 20 22 D 4 7 Data 41 A 19 Address 17 19 21 23 D 12 15 Data 43 44 A 8 A 1 Address 8 24 GND 45 46 A 6 7 Address 25 V3_3D Digital 3 3V 47 48 A 4 5 Address 49 50 A 2 3 Address 3 18 13 Side HP Connector for Side card Option PL405 Pin Signal Pin Signal 1 Ground 4 HP Left 2 HP Right 5 Ground 3 Ground 6 HP switching signal HP_SW 17 TFT TV Service Manual 32 3 18 14 Side AV Connector for Side card Option PL406 Pin Signal Pin Signal 1 Ground 4 Right Audio in 2 Left Audio in 5 Ground 3 Ground 6 CVBS in 3 18 15 Side SVHS Connector for Side card Option PL407 17 TFT TV Service Manual Pin Signal 1 Y Luma 2 Ground 3 C Chroma 33 4 SERVICE MENU SETTINGS 4 1 UOC Service Menu e Turnonthe TV e Press Menu M and 4 7 2 5 buttons of RC respectively The following menu will displayed on the screen GTV 3 2 1 000 EurAsia TVSub 05 01 00000000 00111100 01000000 01100100 11000101 01100100 00000000 01100100 e Enter register index number directly from RC or use P
15. 30 Pin Symbol Description 16 TXOUTO LVDS Signal 17 LVDS GND Ground 18 LVDS GND Ground 19 VPP Power Supply 5 or 3 3V 20 VPP Power Supply 5 or 3 3V 3 18 5 TTL Panel Connector Even 2x17 PL177 Pin Symbol Description Pin Symbol Description 1 DBE6 Blue 18 DGE2 Green 2 DBE7 Blue 19 GND Ground 3 DBE4 Blue 20 DGEO Green 4 DBES Blue 21 DRE6 Red 5 GND Ground 22 DREI Red 6 DBE3 Blue 23 DRE4 Red 7 1 Blue 24 DRES Red 8 DBE2 Blue 25 GND Ground 9 GND Ground 26 DRE3 Red 10 DBEO Blue 27 DREI Red 11 DGE6 Green 28 DRE2 Red 12 DGE7 Green 29 DEN 13 DGE4 Green 30 DREO Red 14 DGES Green 31 DHS 15 GND Ground 32 DVS 16 DGE3 Green 33 DCLK 17 DGEI Green 34 DCLK 3 18 6 TTL Panel Connector Odd 2x17 PL178 Pin Symbol Description Pin Symbol Description 1 DBO7 Blue 18 DGOI Green 2 DBO6 Blue 19 DGOO Green 3 DBOS Blue 20 GND Ground 4 DBO4 Blue 21 DRO7 Red 5 GND Ground 22 DRO6 Red 6 3 Blue 23 DROS Red 7 DBO2 Blue 24 DRO4 Red 8 DBO1 Blue 25 GND Ground 9 DBOO Blue 26 DRO3 Red 10 GND Ground 27 DRO2 Red 11 DGO7 Green 28 DROI Red 12 DGO6 Green 29 DROO Red 13 DGOS Green 30 GND Ground 14 DGO4 Green 31 VPP Power Supply 5 or 3 3V 15 GND Ground 32 VPP Power Supply 5 or 3 3V 16 DGO3 Green 33 VPP Power Supply 5 or 3 3V 17 DGO2 Green 34 VPP Power Supply 5 or 3 3V
16. 38 38 decoupling sound demodulator er ARMA REEM 39 39 39 QSS intercarrier output AM output deemphasis front end audio out GND2 40 40 40 ground 2 for TV processor PLLIF 41 41 41 IF PLL loop filter 13 17 TFT TV Service Manual STEREO AV AV STEREO SYMBOL STEREO NO O MONO DESCRIPTION SIFAGC DVBAGC 2 42 42 42 AGC sound IF internal external AGC for DVB applications DVBO IFVO FMRO 2 Digital Video Broadcast output IF video output 43 43 43 FM radio output DVBO FMRO 2 44 44 Digital Video Broadcast output FM radio output VCC8V 45 45 45 8 Volt supply for audio switches AGC2SIF 46 1 AGC capacitor second sound IF VP2 47 47 47 2ndsupply voltage TV processor 5 V IFVO SVO CVBSI 2 IF video output selected CVBS output CVBS 48 48 48 input AUDIOIN4 7 7 49 audio 4 input AUDIOIN4L 49 49 7 audio 4 input left signal AUDIOIN4R 50 50 audio 4 input right signal CVBS4 Y4 51 51 51 CVBS4 Y4 input C4 52 52 52 chroma 4 input AUDIOIN2 7 53 audio 2 input AUDIOIN2L SSIF 3 53 53 S audio 2 input left signal sound IF input AUDIOIN2R 54 54 audio 2 input right signal CVBS2 Y2 55 55 55 CVBS2 Y2 input AUDIOIN3 56 audio 3 input AUDIOIN3L 56 56 i audio 3 input left signal AUDIOIN3R 57 57 audio 3 input right signal CVBS3 Y3 58 58 58 CVBS3 Y3 input C2 C3 59 59 59 chroma 2 3 input AU
17. 8 22 YNTSC Y delay setting NTSC 0 15 Video 8 23 YPAL Y delay setting PAL 0 15 Video 8 24 YAVI Y delay setting SCART 0 15 Video 4 25 YAV2 Y delay setting FAV 0 15 Video 4 17 TFT TV Service Manual 34 No Name Function Group Default 26 YSVHS1 Y delay setting 0 15 Video 4 27 YSVHS2 Y delay setting S Video 0 15 Video 4 28 ACL Bit Control 0 29 MUS Bit Control 0 30 PWL Bit Control 8 31 CB Bit Control 0 32 BPS Bit Control 0 33 FCO Bit Control 0 34 PeakFreqPAL443 Video 1 35 PeakFreqPALM Video 1 36 PeakFreqPALN Video 1 37 PeakFreqNTSC443 Video 1 38 PeakFreqNTSCM Video 1 39 PeakFreqSECAM Video 1 40 PeakFreqAV Video 1 41 Blackstretch Video options 1 42 Bluestretch Video options 0 43 Whitestretch Video options 0 44 Transfer Rato Video Option 1 45 PeakRatioOvShot Video 2 46 Tint NTSC Video 31 47 OSO Bit Control 0 48 FSL Bit Control 0 49 HP2 Bit Control 0 50 SoftClipLevel Bit Control 0 51 OP AUDIO CONFIG Audio options 2 52 OP BILING Audio options 1 53 OP HP Audio options 1 54 OP EQUAL Audio options 1 55 OP DOLBY Audio options 0 56 OP TRUSUR Audio options 0 57 OP DUB DBE Audio options 0 58 OP BBE Audio options 0 59 AVL LEV AVL level setting Audio 1 60 AVL WGT AVL weight setting Audio 1 61 AVL MOD A
18. A aly ve SIR EK ET ag 6 ser H SS sos d 4 2 g 5 88 ske l ara Il z a Yara 5 T sors ab HEI WH F r e DIOSTOEEASIA wle Ma 7e mp BEBE TE T aa gat E ge e 8 I n e uz vas El K E E Tora suyo Y Jl lt e anoa oe pH SS 28a oj 4 GH para cOrdI ges del 0 7 de ge le ale EP 5 SIE SIE ale e e mu ST 5 2 GEI Se a K voo AO SC 1 ug 91 ONE LIKE VT HE VAVONA Bed AZ vaar vean S LI Li neri venda lt Tt in in 50 EI 17 TFT TV Service Manual 17MB18 2 005 MS HOM Y SYN ONS ABT 1 NVIZN LdHMIAJ Ha Mod 1 T ONS AGT G 0 G AST AST AQT si AQT de AQT 5 UOOT NOOT UBOT HOHLNV LHVd A E eren orca gogo 4834 LNO
19. E Ube 5 5 S ef E ar far 4 z 8 el Tel Tal TEST TET TT TET TET el el TET TETTETTET lel le Tal el Tel Tel Tel Tel Tel Tal Tel Tel Teal Tel Ja Teal TAT TET Tal Teal TET e Te TET Tel TT 2 TET TET Tel Til TAT TET TET Teal TAT TE a 12 8 8 a 2 le S E 8 5 LE a S X 5 R BB 8 8 2 8 8 Y 8 18 8 8 8 3 l E l Bj 8 l BI E 191 E 191 19 mo erem gore ig rom Er Un en 104 re 5 5 s 5 8 3 5 se la lz 5 CER FETO SIR SIR SIR wae X z ne amp 9 X 9 og 5 peg His n i EE L e Lre 8 p ENG El la da 8 la B 9 8 Su 3 sl gil ee alala EE H gl e slels 2a 2 e afojoa IO 8 g a pila s a a a s a a a 2 HEER 3 3j 3J 3 amp ES 8 65 0 0 JH wm HA se e com AED mo a 9 emo Hold sm old Hof o z mb sm gt ve b am b rom aLa tB von Ly cm L D m Lala ho ae SGL Cui E sr SOF Laa ama sara Lei ESKI 7 CIRCUIT DIAGRAMS D n ni 17 TFT TV Service Manual 17MB18 2 002
20. PA B3 MU Audio Preset 29 106 PA B4 MU Audio Preset 29 107 PA B5 MU Audio Preset 45 108 PA BA TH Audio Preset 36 109 PA TR TH Audio Preset 34 110 PA LM TH Audio Preset 1 111 PA ST TH Audio Preset 5 112 PA LO TH Audio Preset 0 113 PA B1 TH Audio Preset 47 114 PA B2 TH Audio Preset 45 115 PA B3 TH Audio Preset 42 116 PA B4 TH Audio Preset 45 117 PA B5 TH Audio Preset 42 118 AGC Speed AGC speed setting Tuning 1 119 AGC Take over AGC setting Tuning 27 120 OIF IF Demodulator OffSet Tuning 32 121 IF IF Frequency Tuning 2 122 SVO Bit Control 0 123 GD Bit Control 1 17 TFT TV Service Manual 36 No Name Function Group Default 124 BPB Source Switching 0 125 BPB2 Source Switching 0 126 RGB IN Source Switching 1 127 DVD1 IN Source Switching 0 128 AV2 IN Source Switching 1 129 DVD2 IN Source Switching 0 130 AV1S IN Source Switching 0 131 AV1D IN Source Switching 0 132 AV2S IN Source Switching 1 133 CBVS OUT Source Switching 1 134 INCL AV Source Switching 0 135 TXT ON Teletext options 1 136 TXT SPLIT Teletext options 1 137 TXT H POS Teletext options 11 138 TIM REM Timer options 1 139 TIM SLP Timer options 1 140 TIM SW Timer options 1 141 TIM OFF Timer options 1 142 TIM SKP Timer options 1 143 TIM RT Timer options
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22. on IC 101 of 17MB18 When TV is turned on the software will realise that EEPROM is not empty so SW will not change the values in the EEPROM 5 3 TV Menu 5 3 1 Picture Menu Brightness and contrast values will be left unchanged after the UOC Calibration Tint value is determined automatically by software and is active in only NTSC channels So there is no need to adjust any value in this section 5 3 2 Audio Menu volume 29 42 17 TFT TV Service Manual KKKK balance 49 AVL On extended audio features Feature headphone equalizer effect normal volume 10 di sound style user balance 9 Will be left unchanged as they are adjusted in the EEPROM 5 3 3 Window Menu image size auto white tone normal 5 3 4 Options Menu menu background Language room lighting sleep time child lock Will be changed according to the DI 5 3 5 Settings Menu Installation Channel Setup APS program number country program name weg aps manual search Sii standard Auto store frequency E fine tuning id program skip Off teletext language Europe teletext region West Will change according to the user and the country it is used 5 4 PC Mode Menu 5 4 1 Picture Menu brightness contrast filter phase frequency Brightness and contrast val
23. order to work with PW panel type selection shortcut service menu 40 17 TFT TV Service Manual e Press Menu M and 4 7 2 7 buttons of RC respectively Caution No visual menu will appear on the screen e Press individual panel type selection digit to select the panel see below table e Turn off the TV from RC When the TV turns on again it will come with new panel settings Hidden Menu Panel types Panel type selection Panel digit 0 15 Samsung 1 20 CMO 2 17 LG 41 17 TFT TV Service Manual 5 PRODUCTION SETTINGS AND FACTORY DEFAULTS 5 1 Production Schedule UOCIII Programming before test Jig Settings that will be performed on the Test Jig Tuner AGC Alignement Section 4 1 2 DCXO Alignement Section 4 1 3 UOC Calibration Section 4 2 2 PW1306 PC Input ADC Calibration Section 4 2 3 Settings that will be performed on the Production Band DDC programming XX 5 2 EEPROM Settings 5 2 1 Creating Master EEPROM Load the new SW version to the TV Place empty EEPROM to IC101 position of the mainboard Turn on the TV SW will automatically assign the initial values to the EEPROM Adjust the settings of Service Menu and User Menu This EEPROM can be used as Master EEPROM 5 2 2 Creating Mass Production EEPROM The Master EEPROM prepared like above is copied and multiplied to use in mass production The copy EEPROM is placed
24. 20 TFT TV SERVICE MANUAL 17MB18 TABLE OF CONTENTS le 3 A AE ME EE EE ER ER AE EE T 3 1 2 General Features is sunkta ED ate lieti ala ie ill dial 3 2 SYSTEM BUILDING BLOCKS EN ala 4 2 1 Analog Frontend sena o nn e intend ila ee DE EO 4 21 4 A O aa a a aa aeea Aaaa aa 5 225 Back e DEE 5 23 65 tada aida triada 8 2d le e 8 ER Re Lt RE 8 24 POWER EIE 5 E 8 3 IC AND COMPONENT DESCRIPTIONS ii 11 3 1 Basic aras 11 32 UOGIII 5 sans EE 11 3 20 Gu Le EE E EE 12 Bos RWI3004 sn skot EE EE 16 OE nt ea toen EE 16 4 MZOWBOOAT WEE E 25 Sor DST dai 25 3 6 ao ee 25 eeler 25 0 300 EE 26 CR e RE 26 3 10 IDA nie again iii Si le i i i io 26 3 11 ROB ite ia rr p Ae EE EO SE 27 3 12 A ini A AA 27 3 13 cata tn i AI ini 27 3 14 AENA rai a 28 3 15 SAASO N0 E sz tei 28 3 16 0 29 3 17 TMS 300 29 3 18 Board Connectors Headers amp Jumpers 29 3 18 1 Analog PC Connector PL400 i 29 3 18 2 Scart Connector PLAOT ss EE se Ee Ee aaa a 30 3 18 3 S Video Connector JK403 ass sese seer neee 20 3 18 4 LVDS Panel Connector 1x20 PL179 sse 30 3 18 5 TTL Panel Connector Even 2X17 PUTZ 31 3 18 6 TTL Panel Connector Odd 2X17 PL178 ee ee se ee RA Ge AA ee AR ee ee AA Ge 31 3 18 7 Panel Inverter Connector 1x11 PL176 iii 31 3 18 8 Keypad Card Connector 1x5 RR Ge AA Re ee Re ee ee ee ee
25. 9 3rdG input Y input B PBIN3 80 80 80 3rdB input PBinput GND3 81 81 81 ground 3 for TV processor VP3 82 82 82 3rasupply for TV processor BCLIN 83 83 83 beam current limiter input BLKIN 84 84 84 black current input RO 85 85 85 Red output GO 86 86 86 Green output BO 87 87 87 Blue output VDDA1 88 88 88 analog supply for TCG m Controller and digital supply for TV processor 3 3 V VREFAD_NEG 89 89 89 negative reference voltage 0 V VREFAD_POS 90 90 90 positive reference voltage 3 3 V VREFAD 91 7 i reference voltage for audio ADCs 3 3 2 V GNDA 92 92 92 ground VDDA 1 8V 93 93 93 analogue supply for audio ADCs 1 8 V VDDA2 3 3 94 94 94 supply voltage SDAC 3 3 V VSSadc 95 95 95 ground for video ADC and PLL VDDadc 1 8 96 96 96 supply voltage video ADC and PLL INTO PO S 97 97 97 external interrupt 0 or port 0 5 4 mA current sinking capability for direct drive of LEDs P1 0 INT1 98 98 98 port 1 0 or external interrupt 1 P1 1 T0 99 99 99 port 1 1 or Counter Timer 0 input VDDC2 100 100 100 digital supply to core 1 8 V VSSC2 101 101 101 ground P0 4 l2SWS 102 S port 0 4 or l25 word select P0 4 7 102 102 port 4 P0 3 I2SCLK 103 1 1 port 0 3 or l2S clock P0 3 103 103 port 3 PO 2 2SDO 104 port 0 2 or l2S digital output 2 P0 2 104 104 port 0 2 P0 1 I2SDO1 105 port 0 1 or l2S digital output 1 PO 1 7 105 105 port 1 15 17 TFT TV Service Manual
26. A ONO lt OI HOT 440 N0 VB TA Z Nr E e de 9 SOINOHLOS 1S HETA Es WN Z 7 gt N E ER kes 0 7 OS POGOI TNST2290dT 2018 AE ja m8 n AQT AST NOOT UOOT AST AST AQT o Ses 6799 UOOT uoge UOOT daan TISO GEED POSO EJOVA amp _ AA LAJ 097 8051 ZITIWI EOEDT INSTEEDJTEWJE RIB Sg A D al ta ONS AE ver e e e e m der 9003 SOSB AST AST gersog DT Dep TT NOOT UOOT AQT Foca resort BIGO UOOF EOS D JOT veea die lt SIDA 440 00 ETSY BIS Am Al D le e LT Va No LAR LA 20801 FNSTZ290F2W78 SESI 98 898 eroga e JOT o queer ug ST BOE ross EE Ze AST AST La AST UOOT DOOF UOOF e e e 1059 206 cata lt P VRALT HE 1057 T LETENT lt INSIZZIATENTE e NOTAS TOS d SR 2 NIT O wies OI ar O m E DES o ABI AST AST AQT ngor HOOF ASE AGE NOOT upor AQT AQT AQT TYT EFSI upor ugor ceso SESO UOOF noot UOOT TIGO 9059 TOGO BESO la AAST cer amp 5 LAAT lt vedon dergods 2087 TE ce FOGD M M TE DOGOT PNST229dF 2718 ETETOODE META ae i FOSH o AOS Dae e AST AST AQT AQT H a Rio Po ul doze ulas BS US 5 nost UOOT NDOOT UDOT gred T BESO HK ZESA ly Esa ala o SI i I goor gt
27. AS is a variable duty cycle pulse reference generator PWM output controlled PORTA6 202 US by PREF1HI and PREF1LO General purpose I O port bit controlled by PADAT7 and PAEN7 This pin has one other possible function when PREFOEN 1 When PREFOEN 1 and PAEN7 0 PORTA7 201 VO PORTA7 is a variable duty cycle pulse reference generator PWM output controlled DS by PREFOHI and PREFOLO RXD 53 VO 5 Serial Receive Data RXD is the serial receive data for the on chip serial port This pin can also function as the 2 wire master data pin when 2WMEN 16 TXD 54 VO U5 Serial Transmit Data TXD is the serial transmit data for the on chip serial port This pin can also function as the 2 wire master clock output pin when 2WMEN 16 TESTEN Test Mode Enable Connect to ground for normal operation Reset Output RESET Nis a bidirectional pin that can be used to either drive external logic in the system or receive an external reset signal Crystal Input Connect to external crystal XI can also function as the MCLK input LVTTL level signal from an external oscillator 23 RESET N 17 TFT TV Service Manual Signal Pn type x m 0 Crystal Output Connect to external crystal VDD1 D 1 8V digital core power DN D Digital core ground VDDQ3 3 3 digital VO power VSSQ Digital VO ground e e ies eme e see e eos gn esse see 70 cota eli 1 8V PLL power PLL ground 1 8
28. CH and P CH buttons in order to go any register setting e Press Volume and Volume buttons of RC in order to change the register value e Press TV button from RC in order to turn the UOC service menu off 4 1 1 UOC Service Menu Settings e Check the following register values in the table from UOCIII Service Menu Change them if they are not the same with the table below No Name Function Group Default 0 EurAsia TVSub GTV 3 2 1 05 01 1 Init TV A UOC default values and turns the tv to GTV 3 2 1 0 2 ISP Mode Sets the TV into ISP state GTV 3 2 1 0 3 DCXO DCXO crystal alignment Crystal alignment 70 Automatic DCXO frequency alignment When it is 4 DCXO Auto set to 1 UOC automaticaly calculates DCXO Crystal alignment O values and writes it to item number 3 5 Track mode Geometry 0 6 Rotation Geometry 31 7 Hor Shift Geometry 32 8 HBL Zoom 0 9 WBF Zoom 4 10 WBR Zoom 8 11 WSS WSS Wide Screen Siganling enable Zoom Options 1 12 Gld SCART Zoom Options 1 13 Col Fe Color Saturation adjustment for RF input Colour alignment 2 14 Col AV1 Color Saturation adjustment for Scart CVBS input Colour alignment 2 15 Col AV1S Colour alignment 2 16 Col AV2 Color Saturation adjustment for AV CVBS input Colour alignment 2 17 Col AV2S Ke Saturation adjustment for for SVHS S video Colour alignment 32 18 BLOR Colour alignment 32 19 BLOG Colour alignment 32 20 RGB Colour alignment 14 21 YSECAM Y delay setting SECAM 0 15 Video
29. DOUTLSL 60 62 E audio output for audio power amplifier left signal AUDOUTLSR 61 63 ce for audio power amplifier right AUDOUT AMOUT FMOU 62 audio output AM output FM output volume T controlled AUDOUTHPL 62 audio output for headphone channel left signal AUDOUTHPR 63 z audio output for headphone channel right signal CVBSO PIP 64 64 64 CVBS PIP output SVM 65 65 65 scan velocity modulation output flyback input sandcastle output or composite H V FBISO CSY 66 66 66 timing output HOUT 67 67 67 horizontal output VSScomb 68 68 68 ground connection for comb filter VDDcomb 69 69 69 supply voltage for comb filter 5 V VIN R PRIN2 Cx 70 70 70 Kerg YUV interface 2naR input PRinput or UIN B PBIN2 71 71 71 U input for YUV interface 2ndB input PB input 3 Y input for YUV interface 2nd G input Y input or YIN G YIN2 CVBS Yx 72 72 72 CVBS Yxinput YSYNC 73 73 73 Y input for sync separator 14 17 TFT TV Service Manual STEREO AV AV STEREO SYMBOL STEREO NO AUDIO MONO DESCRIPTION DSP YOUT 74 74 74 Y output for YUV interface U output for YUV interface 2naRGB YPBPR UOUT INSSW2 75 75 75 insertion input VOUT SWO1 76 76 76 V output for YUV interface general purpose switch output INSSW3 77 77 77 3rdRGB YPBPR insertion input R PRIN3 78 78 78 3rdR input PRinput G YIN3 79 79 7
30. ION PIN VALUE 1 OUTA Output A Voltage swing Min 0 75V Max 4 25V 2 INA neg Inverting input A Vo clip Min 1400mVrms 3 INA pos Non inverting input A 2 5V 4 Vss Negative supply OV 5 INB pos Non inverting input B 2 5V 6 INB neg Inverting input B Vo clip Min 1400mVrms 7 OUTB Output B Voltage swing Min 0 75V Max 4 25V 8 Von Positive supply 5V Min 3 0V Max 7 0V 26 17 TFT TV Service Manual 3 11 LM1117 The LM1117 is a series of low dropout voltage regulators with a dropout of 1 2V at 800mA of load current The output voltage is adjusted according to the formula shown in Figure 9 Available in 1 8V 2 5V 2 85V 3 3V SV and Adjustable Versions Current Limiting and Thermal Protection Output Current 800mA Line Regulation 0 2 Max Vin Load Regulation 0 4 Max Temperature Range LM1117 0 C to 125 C 10 uF LM1117I 40 C to 125 C LM1117 ADJ ViN Vour ADJ Vout 100 uF R2 Vout Veer 1 eil lan R2 Figure 9 Basic adjustable regulator TO 252 SOT 223 TO 220 MET our INPUT ER GH O putut Sr Da AD FORD deeg Tor DT OOSTE Ve Da1000132 DS 06400003 Top View 3 12 24LC32 24LC32 is a 4K x 8 32Kbit Serial Electrically Erasable PROM capable of operation across a broad voltage range 2 5V to 6 0V 3 13 24LC21 24LC21 is a 128 x 8 bit Electrically Erasable PROM This device is designed for use in applications requiring storage and serial transmission of co
31. LM1117 V3_3D 16100 PW1306 IC102 Flash IC176 LVDS IC500 LM1117 VI_8D 1C100 PW1306 IC501 LM1117 VI_8A 16100 PW1306 X IC504 LM1117 VADC3 1C100 PW1306 IC503 LM1117 VI_8VI 1C203 UOC V1_8V2 UOC VPP Panel Display Electronics X Table 3 Power management table 17 TFT TV Service Manual 12V 12V_INV IRF7314 MC34167 VADC3 LMI117 17 TFT TV Service Manual 3 IC AND COMPONENT DESCRIPTIONS 3 1 Basic IC List No Title Description IC203 UOCIII Versatile Signal Processor IC100 PW1306 Video Image Processor with Analog Interface IC102 MT28F800B3W Flash Memory IC176 DS90C385 Programmable LVDS Transmitter IC103 EL 1883 Sync Separator IC405 IC402 P15V330 Wide Bandwidth 2 channel Multiplexer Demultiplexer IC404 74HC4052 Dual 4 channel Analog Multiplexer IC200 TA1366FG LTI CTI IC IC410 IC411 TDA7056A Class AB Mono 3W Power Amplifier IC401 TDA1308 Class AB Stereo Headphone Driver IC500 1 2 3 4 LM1117 Linear Regulator IC201 IC400 24LC21 IC101 24LC32 Serial Electrically Erasable PROM 3 2 UOCIII The UOCIII series combines the functions of a Video Signal Processor VSP together with a FLASH embedded TEXT Control Graphics m Controller TCG m Controller and US Closed Caption decoder In addition the following functions can be added Adaptive digital 4H 2H PAL NTSC combfilter Teletext decoder with 10 page text memory Mul
32. NIXL OND TNIXL SONS CNIXL END o cu e e el lo N e le RI ST IS EI EI PNIXL CJ 22350 e 0 N Tea amp 0320 SRO MN 30 Se AOS ASI UOT UOOT s t OSTO 6210 dETEA OWS 1 811 IRA SYTN GS 40 E Nv3ZA L3HHIA SIVHdHdI esd 199US HOHLNY 1uvd 0 7 UW Z L SLI NOLO LSHA aued oi buUTpuonne 27601 0 860 PABueUI 90 PIMOS S NTEA 19DT3ON CNIANI NON TNIANITNON CDEN CNIANI S1 8 a H AST D m 9814 LE aver LAZ G TOL 3921 Id NOS AST noat EBIYH GLTD EE AAIE ANI E LEVI EF very JOT L G D 5 PF 9 ma tun FHL Den 8 POD DE A nar 6 OT T Sets arena Ww T E oj Ste T OT t 6 B 1 LA D A po G sen P b nd E T E I G T 1d a BT PNT La aasn LON 0 LHOd 4era e azia Z gt SIS c ta 2 lt day M sela kle le lle lela 2 Ao AR AI Ay Ly AT RS e Ak e o o lt YETEA 49 17 TFT TV Service Manual 17MB18 2 004
33. O AO 22 17 TFT TV Service Manual General purpose UO port bit controlled by PADAT1 and PAEN1 This pin has one other possible function when EXTRAMEN 1 When EXTRAMEN 1 and PAEN1 0 PORTAI 207 ie PORTA1 is microprocessor byte high enable BHEN PORTA2 e General purpose I O port bit controlled by PADAT2 and PAEN2 VO General purpose UO port bit controlled by PADAT3 and PAENS This pin can also PORTAS 205 5 function as an external clock source for DCLK DCLKEXT when both the internal PLLs are disabled or when DPLLBYP 1 General purpose UO port bit controlled by PADAT4 and PAEN4 This pin has one other possible function when IREN 1 When IREN 1 and PAEN4 1 this pin can PORTA4 204 K function as an input to the on chip IR receiver 0 IRRCVRO General purpose I O port bit controlled by PADAT5 and PAENS This pin has other possible functions depending on the IREN EIEN registers When EIEN 1 and PAEN5 1 this pin can function as an external interrupt to the on chip CPU When IREN 1 and PAEN5 1 this pin can function as an input to the on chip IR receiver 1 IRRCVR1 When DPLLBYP 1 and PAEN 0 this pin becomes the output of the PORTA5 DCLK PLL This output can be routed through an external spread spectrum chip and then back into port A3 DCLK input to implement spread spectrum General purpose UO port bit controlled by PADAT6 and PAENE This pin has one other possible function when PREF1EN 1 When PREF1EN 1 and PAEN6 0 VO PORT
34. OUTLS L R 60 61 2xTDA7056 I2SDO2 104 La PED CS4335 I2SWS 102 No line out Sa R G B OUT 85 86 87 R G B JOUT SYNC MUX Lem d Comunication SEPARATOR BLOCK Signals DA U H EEPROM YUV VGA SW DC and Handhake PC HS VS PORTD 5 6 58 57 PW1306 mi moj H V SYNC 65 64 Mi RGB VIR G B IN R G B AIN 37 43 50 MACROVISION D R G B E 0 7 PORTA7 201 DHS DVS DEN DCLK D R G B O 0 7 DS90C385 Buffer PANEL Figure 2 TV system block diagram 17 TFT TV Service Manual 19 11 2003 2 3 Side Board s 2 3 1 Keypads The keypads 17TK15 16 17 20 21 for 17MB18 main board are listed in the Table below They have the same connector pinning though 17 Key Name Type Function 21 Power Soft sw Power shut down and turn on X Stand by Tact sw Switch between stand by and turn on modes TV AV Tact sw Input source select button X Menu Tact sw Display main menu on the screen If any menu is X active display the upper menu If main menu is active turn menu off Program Tact sw Go to the lower program at any time in TV mode X In menu mode go to down menu item Program Tact sw Go to the upper program at any time in TV mode X In menu mode go to up menu item Volume Tact sw Decrease the volume level in the volume In menu X mode go to left menu item Volume Tact sw Increase the volume level in the volume In menu X mode go to right menu item Co
35. PANAS RN ESCH AGE AQT L e LOOT noor ee 89 ZEGI TEGO OrSH ASI LIP UOOT Frau 3 al BEG NIT gt 2 o 5 2054 SA a ol A w ru d CH a 7 e Aer Se V 2 5 a O G T o S ASZ AS D uQOF nazr 5 0 o L269 T EE tasa e 2 2 e e E 5 n EE 91760 l i T 5 E pop Z GOGDI Tie An Jo fa 3 O bici 5 ni 51 17 TFT TV Service Manual 7 2 Keypad Schematics 1 TK21 TOP keypad ror 1 MB18 17 E Do HI Y LL DO Mm 17TKXX 52 17 TFT TV Service Manual 7 3 IR amp LED Board Schematics ZA LI LU ER ES E C LU 5 LLI set 17LDXX 53 17 TFT TV Service Manual 7 4 Remote Controller Schematics BAT108 17 TFT TV Service Manual EES SRAZDIO MIK 546 s54 553 BEL GREEN Lo 11UK10 2 54
36. Port Blue Pixel Data In dual pixel output mode these pins are the ODD blue SR5 outputs In single pixel output mode these pins are not used VO 17 TFT TV Service Manual 20 ROMWE ROM Write Enable Low indicates a write to external ROM cso 199 VO D5 Miscellaneous Chip Select 0 Low selects external devices Miscellaneous Chip Select 1 When EXTRAMEN 0 low selects external devices Chip select for external RAM When EXTRAMEN 1 low selects external RAM yo Ds RAMCS ve NE Maskable Interrupt A high input triggers a non maskable interrupt to the on chip RE Microprocessor address bus output bits 19 1 17 TFT TV Service Manual 21 d co i id 5 5 5 5 su l 4 4 5 3 4 o O O O O SIE XIV lt U O a Ola dla dla cla cla dia dia Q O al o a O al g a Co O al U al A O al al al A 0 i al wm Microprocessor 16 bit bidirectional data bus OJ N al A14 A15 A16 A17 A19 NEE e al U ru o 5 E oc Se kakakakakakakabasskassaj ag a Ola dla cla cla cia dia dla dla dla dla dla dla E E ru W General purpose UO port bit controlled by PADATO and PAENO This pin has one other possible function when EXTRAMEN 1 When EXTRAMEN 1 and PAENO O PORTAO 208 PORTA1 is microprocessor address bit
37. RC RIGHT and LEFT buttons to set the desired country option 4 2 7 Language Press RC RIGHT button at Service Submenu 1 and switch to Service Submenu 2 Press RC RIGHT button at Service Submenu 2 and switch to Service Submenu 3 Press RC DOWN button and highlight Language Press RC RIGHT and LEFT buttons to set the desired language option 4 2 8 Menu Background Press RC RIGHT button at Service Submenu 1 and switch to Service Submenu 2 Press RC RIGHT button at Service Submenu 2 and switch to Service Submenu 3 Press RC DOWN button and highlight Menu Background Press RC RIGHT and LEFT buttons to set menu background to opaque or translucent 4 2 9 Remote Control Press RC RIGHT button at Service Submenu 1 and switch to Service Submenu 2 Press RC RIGHT button at Service Submenu 2 and switch to Service Submenu 3 Press RC DOWN button and highlight Remote Control Press RC RIGHT and LEFT buttons to set the desired remote control option 4 3 Panel Type Change Shortcut As 17MB18 software supports from 14 to 20 panel types it is possible not to see anything on the screen after Init NVM as the default panel type is 15 in the software That s why a hidden menu is needed to change supported panel from a hidden menu which is not shown on the screen In
38. S e S e Si S FEL S 5 S FEI 8 Rats 38 3 i 3 Y a a a 3 TADOJ L BEEN YETEA Kre as vos Dear Ka a lt lt n D lt n D D lt D Uu TD D Du n lt v n v n 9 v n lt lt n Uu D DRON Shed CASTA gt SAAT T x X O movu w M D D Nn n Dee 6 OO o 0 G G Z 1 dd ZABTA 0227 2 DO os mes MA e ss UOJ da me e ke far ki 2 KOK Ce U E pl 3 2 5 Mb 4 Zo bo ONE 1 AG IDS b upor Y 8 8 u EN u m R o Li m Lu g ha S H w o BR NM w EN N E Q o wm DR I AE Loj Lem T s S g 8 RE d 3 A I D AE g noor ol als moro DOT fz 7 onvana E iso N 5 B Kl IF 7 N 3 ma N 3 uggt taza ela e li e e vossa 207554 se Nm d en Il 378 sh D I Im oe KOZI sal Eisi 7 E vomon AE K vs Lunkes Ba DISSETVI veea ame y Eevaa AB vaoa ES L JIA HR 9 5 UST AE S 151 8044344 vana es AO HTH e BT ma amp LNO HO nos LANA unor 9 8555 oY A mj ugo 5 aa R T TE i DE IEN ae non Ke DOZI 5 gt 2 K sod U s0970y384 os ino Sech Hek 2 wl g a to 8 ESE EE SH Oe 384 le ki ES na Kk Bra7 5 5 9027 5 ween 6 DE LI len EE veer L D I AE l NITWLX celle egos ina D EEE ODZII ANOWLX 09 ss Hor gt vu noor m e IL a 8 E ven 8 5 G TYSSA Du 58 es moor cb nnu ZK 9037 Al
39. Szen H 8 W 5 SEJE 3 5 5 M I B EET ETE wa S E p o E lt H083 Y Nis eg og ag eg eg eg ep ai H H N sE Beef Eo Beef ces B TT anp BS Fee E Lia 73 B Sch ala ul e 4 I 958 8 Ea dto E 8 5 Bs 2 8 Bg a 2 22 8 le BIB AS jie sl HIS 8 v Avwbvov gua Bla t 5 I T AP bees SS Sons BRE 3 1 2533 GEZ N 3 0 e 5 1 5 51 Le Ja e TITOJ Melen 8 0 8 lg ees We Ros ETE S EE 40 ndur DTPNY eprs TEVOTICO AF L ADS DS 5 AAvv 8 E S 40 8 vooe eo rr Laur A A Se ls 8 8 8 E venon w EE EF 2 EF 6 E BIS L L asumas sd esi I 199U5 alva HD Um AHYd LAAJ 2227 vs FOTI wor ste UE Sur dd k CRL GW Z T SIINOU LDIJ 14 5 17 TFT TV Service Manual 17MB18 2 003 NOSOAT lt ma TOHO EOHO FOHO 9080 TOSO EOSO 7090 3090 TOSO E080 KOLO 5080 vats GAT Id EGIS 7 A E gt p Quo ri 9 A noman Z ad nona D o EHNEN OT vr l Das plo 8zis e e 0 s dla lo Z T k tr inox TETEA SEFE aa dooT 218 E T rinoxi YEDIA ddA E879 9 18 VI VAZI 4 7 91noxi AOS ala Aer eis AOS uot m uot Po 9T sd omou 2500 qus 11434 8879 BBTO p ouma 9
40. V XTALIN BO XTALOUT GO VSSA1 RO VGUARD SWIO Bq BLKIN DECDIG BCLIN VP1 53 VP3 PH2LF GND3 PHILF B Pa 3 GND1 j 3 SECPLL D 9 RIPR3 DECBG INSSW3 AVUEWD 3 VOUT SWO1 VDRB 3 UOUT INSW 2 VDRA P 3 YOUT VIFINI YSYNC VIFIN2 P YIN G Y 2 CVBS Y X VSC E UIN B Pp 2 IREF VIN R Pp 2 C X GNDIF ei VDDcomb DVBINT SIFIN1 ER VSScomb DVBIN2 SIFIN2 E 8d HOUT AGCOUT Sa FBISOICSY EHTO 2 QFP 1 63 SVM EI I El y 2 319 1918 I ld 8119 3552633 9592835833533 PF SN SS SSIES ES 4303323 DEBITON 559590 33238 28393583 28 2 5333 235233 88885 ot 9 Q 3 5 Q 22 2 2 SP 5 Ss 5 3 5 3 Figure 6 UOCIII Pin configuration stereo and AV stereo versions with Audio DSP AV STEREO SYMBOL STEREO AV NO AUDIO MONO DESCRIPTION STEREO ee VSSP2 1 ground ground digital supply to SDACs 1 8V supply 3 3 V VDDC4 VDDA3 3 3V Im al VREF_POS_LSL 7 positive reference voltage SDAC 3 3 V VREF NEG LSL HPL VREF_POS_LSR HPR negative reference voltage SDAC 0 V 7 positive reference voltage SDAC 3 3 V 12 17 TFT TV Service Manual AV STEREO SYMBOL STEREO AV NO AUDIO MONO DESCRIPTION DSP VREF_NEG_HPL HPR 8 negative reference voltage SDAC 0 V VREF_POS_HPR 9 7 E positive reference vol
41. V ADC digital power ADC digital ground e ae e 28 ALVDD 29 1 8V ADC PLL power 30 SES AVDD 17 TFT TV Service Manual ADC PLL ground 3 3V ADC analog power ADC analog ground 3 4 M29W800AT Low Voltage Single Supply Flash Memory to store PW1306 code ELECTRONIC SIGNATURE Manufacturer Code 20h Top Device Code M29W800AT D7h 3 5 DS90C385 The DS90C385 transmitter converts 28 bits of LVCMOS LVTTL data into four LVDS Low Voltage Differential Signaling data streams A phase locked transmit clock is transmitted in parallel with the data streams over a fifth LVDS link Every cycle of the transmit clock 28 bits of input data are sampled and transmitted At a transmit clock frequency of 85 MHz 24 bits of RGB data and 3 bits of LCD timing and control data FPLINE FPFRAME DRDY are transmitted at a rate of 595 Mbps per LVDS data channel Using a 85 MHz clock the data throughput is 297 5 Mbytes sec 20 to 85 MHz shift clock support Tx power consumption 130 mW typ 85MHz Grayscale Supports VGA SVGA XGA and Dual Pixel SXGA Up to 2 38 Gbps throughput Up to 297 5 Megabytes sec bandwidth PLL requires no external components Compatible with TIA EIA 644 LVDS standard 3 6 P15V330 The PISV330 is a true bidirectional Quad 2 channel multiplexer demultiplexer that is for both RGB and composite video switching applications e 200 MHz bandwidth e 3 Ohm on resistance e Switching at 10 ns e 100 mA
42. VL response time setting Audio 3 62 AVLE AVL enable disable Audio 1 63 LOUD NA Audio 5 64 LOUD CH Audio 1 65 BBE CONT Audio 7 66 BBE PROC Audio 7 67 OP CLIP Audio 0 68 DEC LEV FM German Str Prescale setting Audio 23 69 MONO LEV FM Mono Prescale setting Audio 23 70 NIC LEV Nicam Str Prescale setting Audio 17 71 ADC AM L AM Mono Prescale setting Audio 21 72 ADC AVL Scart Line in Prescale setting Audio 18 73 BGSCAL DEC Audio 0 74 BGSCAL MONO Audio 0 17 TFT TV Service Manual 35 No Name Function Group Default 75 BGSCAL NIC Audio 0 76 BGSCAL SAP Audio 0 77 MSCAL DEC Audio 0 78 MSCAL MONO Audio 0 79 MSCAL NIC Audio 0 80 MSCAL SAP Audio 0 81 LSCAL DEC Audio 0 82 LSCAL MONO Audio 0 83 LSCAL NIC Audio 0 84 LSCAL SAP Audio 0 85 E2D Audio 0 86 FFI Audio 0 87 CMUTE Audio 1 88 PA BA VO Audio Preset 31 89 PA TR VO Audio Preset 15 90 PA LM VO Audio Preset 1 91 PA ST VO Audio Preset 5 92 PA LO VO Audio Preset 0 93 PA B1 VO Audio Preset 21 94 PA B2 VO Audio Preset 50 95 PA B3 VO Audio Preset 55 96 PA B4 VO Audio Preset 45 97 PA B5 VO Audio Preset 34 98 PA BA MU Audio Preset 34 99 PA TR MU Audio Preset 39 100 PA LM MU Audio Preset 1 101 PA ST MU Audio Preset 5 102 PA LO MU Audio Preset 1 103 PA B1 MU Audio Preset 52 104 PA B2 MU Audio Preset 47 105
43. and measure the AGC voltage from Tuner Pin1 without plugging in any RF input Around 4 12V e Apply NICAM Stereo and 60 dB 1 mV PAL B G RF signal to the tuner input e Enter UOC service menu as described above and go to AGC Take over setting by pressing 1 1 8 e Measure AGC voltage from Tuner Pin1 By pressing Volume adjust AGC voltage so that the measured value at this step should be 0 5V less than the value measured at first step Around 3 5V 4 1 3 DCXO Alignment If this alignment has not properly been done some front end RF problems can be observed such as Nicam stereo mono sound switching low RF reception and color separation performance Test Set up This alignment will be performed just after Tuner AGC Alignment Apply NICAM Stereo and 60 dB PAL B G FF signal from pattern generator Frequency must be set to 224 25 MHz Turn on the TV Enter UOC service menu as described above and go to DCXO Auto setting Set DCXO Auto value to 1 by pressing Volume TV will automatically align the DCXO Digital Controlled Xtal Oscillator value Then TV automatically re sets DCXO Auto value to 0 This indicates that DCXO Alignment successfully completed 4 2 PW1306 Service Menu In order to work with PW service menu Press Menu M and 4 7 2 6 buttons of RC respectively Make the desired settings Press Menu M fr
44. d CVBS amp audio line outputs It handles video processing such as colour standard detection and demodulation picture alignment brightness contrast colour etc The IC also does teletext decoding with 10 pages text memory After video processing the processed video is applied to PW 1306 chip in RGB format The TV Tuner is an asymmetrical IF output type and is PLL controlled For multistandard reception a switchable SAW filter is used as the sound filter and it is controlled by SAW_SW output from UOC After the SAW filter block IF signal is applied to UOC IF inputs VIFIN 1 2 and SIF 1 2 As UOCIII can handle all the audio processing there is no need for additional audio processor solution on the board UOC supports three Audio outputs These outputs are assigned to Headphone Speaker and Scart Audio line outputs The board employs TDA7056A and TDA1308 to drive speaker and headphone outputs respectively As another dedicated output for Audio Line out from jack is not possible in UOC this line out signal is obtained by using I2S input DAC CS4335 UOCHI 12S output is converted to anolog signal by DAC CS4335 2 1 1 Tuner As the thickness of the TV set has a limit a horizontal mounted tuner with longer connector is used in the product The tuning is available through the digitally controlled FC bus PLL Below you will find info on the Asymmetrical Tuner in use General description The tuner meets a wide range of applications It is a c
45. ed Green and Blue or YPbPr YCbCr YUV analog signals from the analog video source For proper operation of the clamp feature these inputs must be AC coupled 17 17 TFT TV Service Manual Signal Pin Tyee Analog Sync On Green or Sync On Luma input Allows recovery of the HSYNC SOGIN 44 AI signal when this pin is AC coupling to the Green Red or Blue analog signal source If not used this pin should be left unconnected External PLL Loop Filter When using the on chip PLL this pin must be connected to FILT 23 AI an external filter network Horizontal Synchronization Input This digital input signal controls the horizontal scan HSYNC 65 DIS frequency by synchronizing the start of the horizontal scan The logic polarity of this signal is controlled by the HSPOL bit VSYNC Li Synchronization Input This digital signal controls the vertical scan requency DPort Pixel Clock Output clock for the display port pixel data DCLK is enabled by the DCLKEN bit and can be inverted by the DCPOL bit DCLK can be set to run at L pixel rate for dual pixel output mode by setting the DCK2EN bit The internal DCLK DCLK 106 OSR clock domain can be disabled by the DCLKOFF bit to reduce power consumption DCLKNEG DPort Pixel Clock DPort Vertical Sync DVS can be either active high or active low depending on the VSPOL bit Width and timing is controlled by the VPLSE and VDLY registers DPort Vertical Sync DHS can be either ac
46. ee 32 3 18 9 Optional Keypad Connector to UOC 1x2 PL 2021 32 3 18 10 LED amp IR Receiver Connector 1x6 PL202 ee AR AA Ge AA Re RR ee ee ee 32 3 18 11 Optional Rocker Sw Connector 1x4 PL500 i 32 3 18 12 PROMJet Connector 2x25 PL101 esee Ak AA Ge aa a a AA ee RA AA de Ge ee 32 3 18 13 Side HP Connector for Side card Option PL405 sese 32 3 18 14 Side AV Connector for Side card Option PL406 sees 33 3 18 15 Side SVHS Connector for Side card Option PL407 sese 33 4 SERVICE MENU SETTING S 1 ke bestes es ES ges bes bilia aaa ae ao eege 34 4 1 bes lS Aid Menton lla iii EE N Menke 34 4 1 1 UOCIII Service Menu Settings i 34 47 2 TunerAGGAlignment ii iste rali elio leale eb aaa aa 38 4 0 38 4 2 7 PW1306 Service MENU etaa rea tetina ae an aaraa a e aaa lee tealon 38 4 21 UOG Horizontal 0 9100 EEN 39 422 ee tee le 39 4 2 3 PW1306 PC Input ADC Calibration ee AA Re AR Re GR AA Ge ee rca 39 i 17 TFT TV Service Manual 19 11 2003 A EE 20 4 2 5 Initial APSi ET EE VO IE Ka OE ER a A0 7 20 AL He EE 40 KACHEN re te ln BEE A0 42 9 Remote Control E EE E E ER ENE ee Ge oe Es de ee BEE Eege ee 40 4 3 Panel Type Change ii 40 5 PRODUCTION SETTINGS AND FACTORY DEFAULTS i 42 5 WEN Giele Rettel 606 0 iaa 42 Bi2i E diie Eeue EE 42 5 2 1 Creating Master EEPROM
47. er Rr trr aapa Gras ene ir 8 UEE ll KALAJ E HOOT PRA e ox Sr kl A d ca Zaza K OPEO F d D caca EZO 2027 Lieu AS EIES EENNI ONO HINNI OHA coga E 45 pr toza a WOOT Sou E ER L i Brad been MOT aar ONO AE KSE EBNTL ONO ap EA T 6 VEER Ce Ba Tita zonyon BE KE HOLISNNOI 2 ad OMVOEASY IYNOTLdO ale ARTHA F HINIL ONO 8 HI NOTA SISI RIE 028 grit 39 Vi 5 Bes SEI E MS HOAN p we een pla BEE a K A DI 3 2021 gras m MOOT Bo ot voeo 28 pui AST enen RTE Aer Seen 2 8 S094 S 7 DIE sm a LA 5 veon Db EE D er DI Soch EEN 6 8 g namas o HOOF 18 OWS LIEAJ E SCH 58 STE ei E L Z 5 ES 5 Sd a 8 2 A z B MX SS kasio b S z lt i e Ero Dem 4444 8 EIA AA TA z p E 8 Je ES 9 2 5 K a El G iere a 1 2 ar a 1624 sia Nena y a Y 7 B Argine VEER EE RE EDITO 1 578 giess a20 y E l E EH 3 Fr n WE SA e a d Breu ered EI lt S AST D a a sa N o RA SIS vor o a BRR D K z 5 D L H A u 8d E hek re VE EA ven 3 2 5 8 5 ES Zi dE AAA I ere ONE AF ABT TA H El 2 8 S NIAE ES VE EA YEER VETEA y HOOF 4 HAOHHT aldals lala afafa uo la ala 1 Poco lais 558 AREE Sigi el es Geen e SEER oes EE 88 9 9885 BERE seat noe uges 1 T 1 rezo Besi EIT ral Sl Pel SI TOI fs FEL ei fe TET EN SET
48. ilters with a triple ADC Analog RGB or YPbPr in PC graphics standard or high definition video can be displayed in either 4 3 or 16 9 formats Supports analog video decoders with triple 8 bit Analog to Digital Converters ADCs up to 140 MSPS conversion rate Supports Sync on Green SOG Sync on Luma SOY and Composite sync inputs 10801 720p 480p HDTV 480i and 576i NTSC PAL SDTV PC graphics up to SXGA YPbPr YCbCr YUV to RGB Color Space Converter with programmable coefficients On chip bitmap based OSD controller with on chip memory 24 30 48 bit RGB output with 135 MPixels second maximum output rate 3 3 1 Pinout This section lists the pin functions for the PW1306 208 pin PQFP package Pin types include s VO SR5 I O slew rate controlled 5V input tolerant 16 17 TFT TV Service Manual T O DS bidirectional 5 volt tolerant with pull down T O US bidirectional 5 volt tolerant with pull up ID 5 input 5 volt tolerant with pull down OS output with fixed slew rate control AI analog input 5 volt tolerant DI digital input 5 volt tolerant DIS digital input 5 volt tolerant Schmitt trigger I XTALIN XTALOUT P power NC no connect BOD bidirectional open drain OSR output with slew rate PW1306 Top View DEB7 HSYNC PORTD1 PORTD2 PORTD3 PORTD4 PORTOS PORTD6 PORTD7 VPEN TXD ES BERFSSSSSRSLRASSSSSINARAAASTSSREERSSESSS Red Green Blue Analog Inputs These pins receive the R
49. ke art So 510 zz ruzo ODET Md p er 47 ele EST BY OI az fonza Fo 8 er fav oE even 2290 St 82 laan DOTOIL 1917 p tojo n H 9380 ae fesa fond i BS 7 ea CEL san Ska jan LAU e sv ES UD y EST EA 7 rie Laj St alas so ec mme ceca Ee Selena od tav cl lt va rosas sr DEER Iris UM 2380 sa fesso 104214 2380 ae ge f2930 Ku ian 3380 zelroaa pesar er 57 D y nasa w BB fossa FOE PER Z assa Ma EB zuzo gt seka AE IL Terr AS em K sam ek 06 Joso deed wa ma gm 5 bc ma pomos ti suo lals T Jousa S RSR re X sele vako slk ee ES INVEST 1 NE Erte 2050 1 Fr Eb caso TU MET ei EG JEHaa vr mE iama MISE er AT 2360 e 6 enzo pena ee eens D TOVI I or L BE DE b 3 GASA sar Em sun geo Selen var m maar now 8 dE EEA oso a l gel rssA zember ewe ta alati w ST 0 pe L sel ze ruza pris tore tE L ea 86 oHaa LIVES wry Tere L tze 2080 TE 86 800 groer pris reme X 62 Serpe 9080 4 on Jlssoo KM EI E B m D erte Be 2 amy GET ero tosan m Pn me seq oes 3 DS 20 ter cke EE I EAE Bra Evifuso 1210 ze Tel a eL vorja eeaaa salko Ga 8 Lor Is1a 7 o STI B B gt 3 8 2 3 a 8 Ta su lm SP SBABKERBEBEBEEEEBESBPFEBIOESS RRR gt eee eRe eee ea eRe be sis Bz gos ope oR Eu mos Bou Gi DUS 2 5
50. lity Pin Mnemonic Function 1 X7 IPU sense input from key matrix 2 SSM I sense mode selection input 3 20 29 IPU sense inputs from key matrix 7 MDATA OP3 generated output data modulated with 1 12 the oscillator frequency at a 25 duty factor 8 DATA OP3 generated output information 9 13 DR7 DR3 Scan drivers ODN 14 VSS Ground OV 15 17 DR 2 DRO Scan drivers ODN 18 OSC l Oscillator input 19 TP2 l test point 2 20 TP1 l Test point 1 21 27 X0 X6 IPU Sense inputs from key matrix 28 VDD I Voltage supply Note 17 TFT TV Service Manual 28 1 Input IPU input with p channel pull up transistor ODN output with open drain n channel transistor OD3 output 3 state 3 16 MC34167 The MC34167 MC33167 series are high performance fixed frequency power switching regulators that contain the primary functions required for dc to dc converters This series was specifically designed to be incorporated in step down and voltage inverting configurations with a minimum number of external components and can also be used cost effectively in step up applications These devices consist of an internal temperature compensated reference fixed frequency oscillator with on chip timing components latching pulse width modulator for single pulse metering high gain error amplifier and a high current output switch Protective features consist of cycle by cycle cur
51. nfiguration and control information 27 17 TFT TV Service Manual 3 14 74LVC541 The 74LVC541A is an octal non inverting buffer line driver with 5 V tolerant inputs outputs The 3 state outputs are controlled by the output enable inputs OE1and OE2 e 5Vtolerant inputs outputs for interfacing with 5 V logic e Wide supply voltage range from 2 7 to 3 6 V e CMOS low power consumption e Direct interface with TTL levels 3 15 SAA3010T The SAA3010 is intended as a general purpose RC 5 infrared remote control system for use where a low voltage supply and a large debounce time are expected The device can generate 2048 different commands and utilizes a keyboard with a single pole switch for each key The commands are arranged so that 32 systems can be addressed each system containing 64 different commands The circuit response to legal one key pressed at a time and illegal more than one Pin no Symbol Name and function 1 OE1 Output Enable Input 2 3 4 5 6 7 AO to A7 Data Inputs 8 9 11 12 13 14 YO to Y7 Data Outputs 15 16 17 18 2A1 to 2A4 Data Inputs 1Y1 to 1Y4 Data Outputs 19 OE2 Output Enable Input 10 GND Ground OV 20 VCC Positive Supply Voltage key pressed at a time keyboard operation is specified in the section Keyboard operation e Low voltage requirement Biphase transmission technique o e Single pin oscillator e Test mode faci
52. nnector PL1 on keypads connected to the connector PL175 on the main board Pin No Name Pin No Name 1 Volume 6 Program 2 Volume 7 Program 3 Ground 8 Menu 4 Not Connected 9 TV AV 5 Ground 10 Stand by Shut down Reserved It can be 5V in the future designs if needed 2 3 2 IR amp Led Board IR amp LED board contains LED indicator s to show TV s status Red for stand by green for normal operation and one IR receiver to get remote control instructions All the IR amp LED boards have the same circuit and connector pinning but the different mechanical structure to fit different cabinets see the related section for schematics and connector pinning 2 4 Power Several linear regulators and switches are used to generate several separate analog and digital voltage supplies such as 5 3 3 1 8 etc Please check the Figure 3 and Table 3 for power management details S Z al A Folds SIGNAL SUPPLIED ICs 5 lt SUPPLY 12V_INV Panel Inverter PSU 12VA IC410 IC411 Audio Amplifiers x PSU 17 TFT TV Service Manual 2 2 el ale S E SIGNAL SUPPLIED ICs 5 SUPPLY 9V IC200 TA1366FG x LM1117 1C203 UOC TU200 Tuner Sync Circuit IC401 X VCCSA Headphones IC402 MUX Block IC400 DDC IC505 MC3416 EEPROM v3 3A IC203 UOC IC175 Keypad VO IC101 I2C x ER IC502
53. ntrolled by PW1306 via VUN TV SW 58 and VGA TV SW 57 signals A VGA TV SW B VUN TV SW A B SYNC SOURCE 0 0 UOC 0 1 VGA 1 0 YcbCr 1 1 NOT USED Table 2 H V Sync Multiplexing Table The video output from PW1306 is a 48 bit digital RGB bus format and made available on two separate connectors with TTL control signals i e HS VS CLK etc This digital output is intended to interface to TTL compatible display devices As PW1306 does not have integrated LVDS transmitter 24 bit even part of RGB video output and TTL control signals from PW1306 are also inputted to DS90C385 LVDS IC to produce single pixel LVDS output for LVDS compatible LCDs Backlight control is also possible via PW1306 Porta7 pin PWMOUT PL176 10 that is a variable duty cycle pulse generator output 17 TFT TV Service Manual 19 11 2003 TV_ HS VS PC_ HS VS HD_ HS VS 17 TFT TV Service Manual MUX BLOCK AHSYNC MUX AVSYNC 74HC4052D Control Signals VGA_TV_SW YUV_TV_SW VIDEO SWITCH P15V330 SWITCH P15V330 Figure 1 MUX Block 19 11 2003 VFIN 24 25 UOCIII Y4 51 C4 52 CVBS an E p cvp3 v3 58 AUDIOINSL 34 AUDIOINSR 35 C2 59 CVBS2 Y2 55 IFVO 43 AUDIOUTSL 36 La AUDIOUTSR 37 AUDIOIN3L 56 AUDIOIN3R 57 S Audio in VDRA HOUT 23 67 HP DRIVER AUDOUTHP L R 62 63 F TDA1308 Is N EE R G B 78 79 80 AUDIO Y U V OUT 74 75 76 AMPLIFIER AUD
54. om RC to turn off the PW Service menu The menu has the following structure Service Menu Dclock Polarity Falling Init NVM 4 UOC Hposition Initial APS off Language ADC_Calibration Pannel Type LG17WXGA_V3 UOC_ Calibration Menu Background Opaque Remote Control This value indicetes the horisontal positioning of the picture In this row Software version and date is mentioned These will be changed according to the DI 38 KKK 17 TFT TV Service Manual It is possible to move by using UP DOWN LEFT and RIGHT RC buttons in this menu structure 4 21 UOC Horizontal Position Press DOWN RC button at Service Submenu 1 to highlight UOC Hposition Set the proper value to fit the applied pattern to screen by using LEFT and RIGHT buttons 4 2 2 UOC Calibration Apply 11 Vertical bar Grey scale pattern with black on the left and white on the right side of the picture as seen below from CVBS input Press RC AV button and switch to CVBS input and observe the pattern applied Enter to PW1306 service menu Press RC DOWN button at Service Submenu 1 and highlight UOC Calibration Press RC RIGHT button to start calibration 423 PW1306 PC Input ADC Calibration Connect your TV with your PC and press RC PC button and observe the image Press M to display Menu and select
55. ombined VHF UHF tuner suitable for CCIR systems B G H L L and I The low IF output impedance drives a wide variety of SAW filters with sufficient suppression of triple transient Features e Small sized UHF VHF tuners e Systems CCIR B G H L L and l OIRT D K e Digitally controlled PLL tuning via I C bus s Off air channels S cable channels and Hyper band e Zs AE Aerial source impedance unbalanced 75 Ohm mu Tamar peonon 1 AGC Automatic Gain Control Voltage 4 0 1 Tuning voltage monitor output 2C Bus Address Select I 0 Bus Serial Clock 1 C Bus Serial Data nc Not Connected Supply Voltage 5V 0 125 8 ADO ADCImpu O 9 Ver Fixed tuning Supply Voltage 33V 0 5 LE out 2 Symmetrical I F output 2 Do not connect for asymmetrical LE out 1 Asymmetrical I F Output Symmetrical LE output 1 NM Mounting Tags Ground 2 1 2 SAW Filters K3953M is an IF Filter for Video Applications The package is SIP5K Supported standards are B G D K I L L K9656M is an IF Filter for Audio Applications The package is SIP5K Supported standards are B G D K I L L 2 2 Back End The Back End section is handled by PW1306 chip This IC has built in ADC s for RGB and SOY support The RGB input can handle standard interlaced RGB output from UOC PC VGA RGB input As only 1 set of ADC is present in PW1306 these sources should be multiplexed All the multiplexing operations are co
56. output current 3 7 74HC4052 The 74HC HCT4052 are dual 4 channel analog multiplexers demultiplexers with common select logic Each multiplexer has four independent inputs outputs nY0 to nY3 and a common input output nZ The common channel select logics include two digital select inputs SO and S1 and an active LOW enable input E e Wide analog input voltage range 5 V e Low ON resistance 25 17 TFT TV Service Manual 80 Ohm typ at VCC VEE 4 5 V 70 Ohm typ at VCC VEE 6 0 V 60 Ohm typ at VCC VEE 9 0 V 3 8 TA1366FG TA1366FG is an Analog Y Cb Cr picture signal improver in a 24 pin SSOP plastic package TA1366FG functions are controlled via DC bus YCbCr 2inputs Through mode Y bandwidth OdB 30MHz Y block Sharpness SRT LTD Y Group Delay Correction Shoot balance Color Detail Enhancer CDE and Noise Detection Cb Cr block Color SRT CTD Green Stretcher 3 9 TDA7056A The TDA7056A is a mono BTL output amplifier with DCvolume control It is designed for use in TV and monitors e Mute mode No switch on and off clicks e Thermal protection e Short circuit proof e ESD protected on all pins 3 10 TDA1308 The TDA1308 is an integrated class AB stereo headphone driver contained in an SO8 DIP8 or a TSSOP8 plastic package e Wide temperature range e No switch on off clicks e Low power consumption e Short circuit resistant PIN SYMBOL DESCRIPT
57. r opt op 5 H 2 wes pi ES 4 Beveg li eta Se T z H TIPII A See 8 2 am Ven 3 izi amp 4 8 3 e Cai coro 3 3 H am Db Z garge OTFOL vISevOL p 5 D sop 8 I i 4 4 men He 5 3 pi Tao 5 aa ep p kamu ES EC E En i n w 2 e NI SBAJ TV Es Mal wer wa Db 1 Ed EE ua ervo cord ALL aid 5 GR ow mee 8 sa am 7 ES T L E rona GE E EEE D 5 108 T Be Ka uaz Aer Ur 5 S VD Frati goro Il er su 2u1 d i E r e vara 9 Ss 515 P PONI Ge E qs Ta E Age me x v 0 ER mu sam Pl g T i d 5 6 A enas En LE OGESDHPZ ww i SS 5 d saad sae Pl Z y y NAG E CR Sopa pr 0 F h NIB E we LI EE su Pl h l sad Ge NOLLHO LUVOS gt ASE ADE SH Dd as Ed L NOHJ HO HO A HODI NIH 13 UOOF aa e ee ee e Eerd ro SEO CSOPOHPZN EBAVA ve va A uge dL ET NI LNO K WDI vs ari ears ores 2 7a Ba 9 5 GE 55 H 90 EE El gt eII oord se De NI INO A NOJ EET gt onus 4 Bed Dev NIB HOOT T He Gare Set e 8 se El Ab q su moa ES 1 i SS ur m ka hagas E 1 wer 1 907 RL a o e la Jz Ela 14 ee su su ab alza fal TE a voor yA su Ee CLER E A ae D ali 5 FOFOT tons ows H 2 sor DC NIVO A L nr a 8 JE I Zo EE EE A CH E 5 8 8 NIVE AL a 8 A Eat ESE ee L mo x AA or 2 de esru 9 1050 Ge seg 5 T qo nea BOA 4 H e NIVETAL er a Ek e g VORE ER n ER 6
58. rent limiting under voltage lockout and thermal shutdown Also included is a low power standby mode that reduces power supply current to 36 mA e Output Switch Current in Excess of 5 0 A e Fixed Frequency Oscillator 72 kHz with On Chip Timing e Provides 5 05 V Output without External Resistor Divider Precision 2 Reference e 0 to 95 Output Duty Cycle e Cycle by Cycle Current Limiting e Under voltage Lockout with Hysteresis Internal Thermal Shutdown e Operation from 7 5 V to 40 V Standby Mode Reduces Power Supply Current to 36 mA e Economical 5 Lead TO 220 Package with Two Optional Leadforms Also Available in Surface Mount 2 PAK Package e Moisture Sensitivity Level MSL Equals 1 3 17 TFMS5360 The TFMS5360 is a miniature receiver for infrared remote control systems e Photo detector and preamplifier in one e 36 KHZ Pin diode and preamp SP IR filter VI 3 18 Board Connectors Headers amp Jumpers 3 18 1 Analog PC Connector PL400 Pin Logic VO Signal Description Impedance 1 Analog I Red Component 750 2 Analog I Green Comp 750 3 Analog I Blue Comp 750 13 TIL I Horizontal Sync 14 TIL I Vertical Sync 12 TIL VO DC Data 15 TIL I DC Clock 9 Power I 5V 5 6 7 8 10 Ground 4 11 No Connect 29 17 TFT TV Service Manual 3 18 2 Scart Connector PL401
59. tage SDAC 3 3 V XTALIN 10 10 10 crystal oscillator input XTALOUT 11 11 11 crystal oscillator output VSSA1 12 12 12 ground VGUARD SWIO 13 13 13 V guard input I O switch e g 4 mA current sinking capability for direct drive of LEDs DECDIG 14 14 14 decoupling digital supply VPI 15 15 15 1stsupply voltage TV processor 5 V PH2LF 16 16 16 phase 2 filter PHILF 17 17 17 phase 1 filter GND1 18 18 18 ground 1 for TV processor SECPLL 19 19 19 SECAM PLL decoupling DECBG 20 20 20 bandgap decoupling EWD AVL 1 21 21 21 East West drive output or AVL capacitor VDRB 22 22 22 vertical drive B output VDRA 23 23 23 vertical drive A output VIFIN1 24 24 24 IF input 1 VIFIN2 25 25 25 IF input 2 VSC 26 26 26 vertical sawtooth capacitor IREF 27 27 27 reference current input GNDIF 28 28 28 ground connection for IF amplifier SIFIN1 DVBIN1 2 29 29 29 SIF input 1 DVB input 1 SIFIN2 DVBIN2 2 30 30 30 SIF input 2 DVB input 2 AGCOUT 31 31 31 tuner AGC output EHTO 32 32 32 EHT overvoltage protection input AVL SWO SSIF 33 33 33 Automatic Volume Levelling switch output REFO REFIN 2 3 sound IF input subcarrier reference output external reference signal input for signal mixer for DVB operation AUDIOIN5 7 7 34 audio 5 input AUDIOIN5L 34 34 S audio 5 input left signal AUDIOIN5R 35 35 audio 5 input right signal AUDOUTSL 36 36 7 audio output for SCART CINCH left signal AUDOUTSR 37 37 audio output for SCART CINCH right signal DECSDEM 38
60. ti standard stereo decoder BTSC stereo decoder Digital sound processing circuit Digital video processing circuit The UOC III series consists of the following 3 basic concepts e Stereo versions These versions contain the TV processor with a stereo audio selector the TCG m Controller the multi standard stereo or BTSC decoder the digital sound processing circuit and the digital video processing circuit Options are the adaptive digital PAL NTSC comb filter and a teletext decoder with 10 page text memory e AV stereo versions These versions contain the TV processor with stereo audio selector and the TCG m Controller Options are the digital sound processing circuit the digital video processing circuit the adaptive digital PAL NTSC comb filter and a teletext decoder with a 10 page text memory e Mono sound versions These versions contain the TV processor with a selector for mono audio signals and the TCG m Controller Options are the adaptive digital PAL NTSC combfilter and a teletext decoder with 10 page text memory 17 TFT TV Service Manual 3 2 1 Pinout VDDA3 3 3V 4 VREF_POS_LSL VREF_NEG_LSL LSR Ce TA P2 5 PWM4 124 P2 4 PWM3 121 vsscuP TAJ P3 3ADC3 a P1 2 INT2 O TA P1 5 TX J VDDP 3 3V o P1 7 SDA mm P2 0 PMW 91 INTO PO 5 96 VDDadc 1 8 VSSadc 54 VDDA2 3 3V VDDA 1 8V GNDA VREFAD VREF_POS_LSR HPL VREFAD_POS VREF_NEG_HPL HPR 8 VREFAD_NEG VREF POS HPR ra VDDA1 3 3
61. tive high or active low depending on the HSPOL bit Sync width can be controlled by the HPLSE register DPort Pixel Enable This signal is active whenever valid data is present The polarity is specified by the DENPOL bit DEPort Red Pixel Data In dual pixel output mode these pins are the EVEN red outputs 17 TFT TV Service Manual DEPort Green Pixel Data In dual pixel output mode these pins are the EVEN green outputs DEG4 82 OSR DEB3 73 OSR DEPort Blue Pixel Data In dual pixel output mode these pins are the EVEN blue outputs DEB4 71 OSR KON VCLK VO D5 DVPort Pixel Clock The VCLK pin is used for DV port image capture The polarity can be selected by the VCLKPOL bit DVPort Pixel Enable Used when external flow control capture mode is enabled by the EXTFCE bit When VPEN is active the input data is valid The polarity can be VPEN 55 VO D5 selected by the PENPOL bit Use of this pin allows non contiguous input data 17 TFT TV Service Manual Lei EE PORTD 7 0 can be used as GPO Output Only 56 63 VO VO VO DOPort Red Pixel Data In dual pixel output mode these pins are the ODD red outputs In single pixel output mode these pins are not used VO DOR4 127 SR5 VO VO VO VO VO VO DOPort Green Pixel Data In dual pixel output mode these pins are the ODD green EZ VO outputs In single pixel output mode these pins are not used DOG4 117 PORTDIO 7 VO SR5 VO VO VO DOBO 113 VO DO
62. ues will be left unchanged after the UOC Calibration 43 17 TFT TV Service Manual Phase value is automatically set by the software There is no need to adjust any value in this section 5 4 2 Audio Men extended audio features Feature headphone Effect normal volume 10 sound style user balance 9 Will be left unchanged as they are adjusted in the EEPROM 5 4 3 Window Menu H Position 50 V Position 50 5 4 4 Options Men menu background opaque Language vd room lighting normal auto adjustment child lock off Will be changed according to the DI 44 17 TFT TV Service Manual 6 BLOCK DIAGRAM RF TDA7056A TDA1308 TTL 48 S video in K E DRGB 24 EE Audio E Audio In L R Scart DEN DCLK DVS DHS R FB gt YUV out YUV in VGA TV SW Side FBLIN TA1366 Optional YCbCr input TES i from scart O AT Optional YCbCr input ______ PC in 45 17 TFT TV Service Manual 17MB18 2 001 17MB18 Main Board Schematics 7 1 ASA svn KAS S 0 1 00 90 77 NEAZA 13HATA ONS Mova PERSE 3989U5 alya EOULS Leg D ABI T TY 2 8 SIINOBLD3713 HISJA ay E 53 SIE pi 5 i gt HH Agr UGO ger TOT ugo DEFI BOTE eg Wee mws Db H 5 Se SS a el e mus p 9 W WOOF Weer

20” TFT TV SERVICE MANUAL (17MB18)

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20&rdquo; TFT TV SERVICE MANUAL (17MB18)

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20” TFT TV SERVICE MANUAL (17MB18)