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TEAC 22” TFT IDTV

SERVICE MANUAL

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Содержание TFT IDTV

Страница 1: ...TEAC 22 TFT IDTV SERVICE MANUAL...

Страница 2: ...2 Features 4 11 1 3 Applications 4 11 1 4 Connection Diagrams 4 11 2 LM2576 5 11 2 1 General Description 5 11 2 2 Features 5 11 2 3 Pin description 5 11 3 LM317T 6 11 3 1 Description 6 11 3 2 Features...

Страница 3: ...iption 22 11 18 2 Features 22 11 18 3 Pin Description 22 11 19 MC34063 24 11 19 1 Description 24 11 19 2 Features 24 11 19 3 Pin connections 24 11 20 MSP34X0G 25 11 20 1 Introduction 25 11 20 2 Featur...

Страница 4: ...2 Features 40 12 7 3 Pin Description 40 12 8 24C32 41 12 8 1 General Description 41 12 8 2 Features 41 12 8 3 Pin Description 41 12 9 STV0360 42 12 9 1 General Description 42 12 9 2 Features 42 12 9...

Страница 5: ...PLL tuning via I2 C bus 4 Off air channels S cable channels and Hyper band 5 Compact size 6 Complies to CENELEC EN55020 and EN55013 Pinning 1 Gain control voltage AGC 4 0V Max 4 5V 2 Tuning voltage 3...

Страница 6: ...rs Normal Mode 33 33 MHz CPU clock Power Save mode 8 33 MHz 7 3 Microcontroller Features 8bit 8051 instruction set compatible CPU 33 33 MHz internal clock max 0 360 s min instruction cycle Two 16 bit...

Страница 7: ...tal or analogue inputs for the ADC Port2 One 2 bit I O port with secondary function P4 2 4 3 4 7 One 4 bit I O port with secondary function P4 0 4 1 4 4 Not available in P SDIP 52 8 SERIAL ACCESS CMOS...

Страница 8: ...ixed voltages 1 8V 2 5V 2 85V 3 3V and 5V The LM1117 offers current limiting and thermal shutdown Its circuit includes a zener trimmed bandgap reference to as sure output voltage accuracy to within 1...

Страница 9: ...k is required or its size could be reduced dramatically A standard series of inductors optimized for use with the LM2576 are available from several different manufacturers This feature greatly simplif...

Страница 10: ...be used to make a programmable output regulator or by connecting a fixed resistor between the adjustment and output the LM317 can be used as a precision current regulator 11 3 2 Features Output Curre...

Страница 11: ...y mode except when the power supply is removed The device operates with a power supply value as low as 2 5V Both Plastic Dual in Line and Plastic Small Outline packages are available 11 5 2 Features 1...

Страница 12: ...currently use UV EPROMs OTPs and mask ROMs 11 6 2 Features Organized as 64K x8 128K x8 256K x8 512K x8 2 7 3 6V Read Operation Superior Reliability Endurance At least 1000 Cycles Greater than 100 year...

Страница 13: ...same reference voltage on each input in order to have no differential voltage when switching two RGB generators An AC output signal higher than 2 Vpp makes gain going slowly down to 0dBto protect the...

Страница 14: ...In other case 1 word of 16 bits is necessary to determine one configuration 11 8 2 13 5 2 Features 20MHz Bandwidth Cascadable with another TEA6415C Internal address can be changed by pin 7 voltage 8...

Страница 15: ...80 pin PQFP package 11 9 2 Pin Connections and Short Descriptions NC not connected LV if not used leave vacant X obligatory connect as described in circuit diagram SUPPLYA 4 75 5 25 V SUPPLYD 3 15 3 4...

Страница 16: ...Front Sync Horizontal Clamp Pulse Front End Horizontal Sync Output 56 MSY HS IN OUT LV Main Sync Horizontal Sync Pulse 57 VS OUT LV Vertical Sync Pulse 58 FPDAT VSYA IN OUT LV Front End Back End Data...

Страница 17: ...bilities based on parallel attributes and Pixel oriented characters DRCS The 8 bit Microcontroller runs at 360 ns cycle time min Controller with dedicated hardware does most of the internal TTX acquis...

Страница 18: ...requency Control AFC detector with 4 bit digital to analog converter AFC bits via I2 C bus readable TakeOver Point TOP adjustable via I2 C bus or alternatively with potentiometer Fully integrated soun...

Страница 19: ...DESCRIPTION PIN VALUE OUTA 1 Output A Voltage swing Min 0 75V Max 4 25V INA neg 2 Inverting input A Vo clip Min 1400mVrms INA pos 3 Non inverting input A 2 5V VSS 4 Negative supply 0V INB pos 5 Non i...

Страница 20: ...greater than most analog switches offered today A single 5V supply is all that is required for operation The PI5V330 offers a high performance low cost solution to switch between video sources The app...

Страница 21: ...he design kit is complete with hardware and software Software includes G Probe debug software G Wizard register calculator and G TV application source code The 6015RD1 is a related reference board tha...

Страница 22: ...d in the section Keyboard operation 11 16 2 Features Low voltage requirement Biphase transmission technique Single pin oscillator Test mode facility 11 16 3 Pinning Pin Mnemonic Function 1 X7 IPU Sens...

Страница 23: ...ided in a space saving 80 lead LQFP surface mount plastic package and is specified over the 0C to 70C temperature range 11 17 2 Features 140 MSPS Maximum Conversion Rate 300 MHz Analog Bandwidth 0 5 V...

Страница 24: ...tive The input includes a Schmitt trigger for noise immunity with a nominal input threshold of 1 5 V VSYNC Vertical Sync Input This is the input for vertical sync SOGIN Sync on Green Input This input...

Страница 25: ...er operation the pixel clock generator PLL requires an external filter Connect the filter shown in Figure 6 to this pin For optimal performance minimize noise and parasitics on this node POWER SUPPLY...

Страница 26: ...ht of character and row to row spacing and full screen erasing and Fade In Fade Out are also incorporated There are 8 color selections for any individual character display with row intensity attribute...

Страница 27: ...Data is read at the rising edge of each clock signal VDD Pin 9 This is the power pin for the digital logic of the chip VSYNC Pin 10 Similar to Pin 5 this pin inputs a vertical synchronize signal to sy...

Страница 28: ...duty cycle oscillator with an active current limit circuit driver and high current output switch This series was specifically designed to be incorporated in Step Down and Step Up and Voltage Invertin...

Страница 29: ...MSP 34x0D The MSP 34x0G further simplifies controlling software Standard selection requires a single I C transmission only The MSP 34x0G has built in automatic functions The IC is able to detect the a...

Страница 30: ...C data 9 9 7 2 1 I2C_CL IN OUT OBL I 2 C clock 10 8 1 64 NC LV Not connected 11 7 6 80 63 STANDBYQ IN OBL Stand by low active 12 6 5 79 62 ADR_SEL IN OBL I 2 C bus address select 13 5 4 78 61 D_CTR_I...

Страница 31: ...28 34 26 SC2_OUT_L OUT LV SCART output 2 left 51 33 27 33 25 SC2_OUT_R OUT LV SCART output 2 right 52 32 NC LV Not connected 53 32 31 24 NC LV Not connected 54 31 26 30 23 DACM_SUB OUT LV Subwoofer o...

Страница 32: ...xINPUTs Tx power consumption 130 mW typ 85MHz Grayscale Tx Power down mode 200 W max Supports VGA SVGA XGA and Dual Pixel SXGA Narrow bus reduces cable size and cost Up to 2 38 Gbps throughput Up to 2...

Страница 33: ...P G1 GND G A5 LVDS VCC P G6 GND G A6 TxCLKOUT O B3 LVDS GND G A7 TxCLKOUT O B4 LVDS GND G A8 TxOUT3 O B7 LVDS GND G B1 TxIN1 I D5 LVDS GND G B2 TxIN0 I C6 PLL GND G B3 LVDS GND G D6 PLL GND G B4 LVDS...

Страница 34: ...Blue and 3 control lines FPLINE FPFRAME and DRDY also referred to as HSYNC VSYNC Data Enable TxOUT O 3 Positive LVDS differentiaI data output TxOUT O 3 Negative LVDS differential data output TxCLKIN I...

Страница 35: ...ly controlled analog switches having low ON impedance and very low OFF leakage current These multiplexer circuits dissipate extremely low quiescent power over the full VDD VSS and VDD VEE supply volta...

Страница 36: ...M technology and provides a low power and low voltage operation The IS24CXX family features a write protection feature and is available in 8 pin DIP and 8 pin SOIC packages 11 23 2 Features Low Power...

Страница 37: ...with no regard to the supply voltage This device can be used to interface 5V to 3V All inputs and outputs are equipped with protection circuits against static discharge 11 24 2 Features 5V tolerant i...

Страница 38: ...tremely efficient and reliable device for use in a wide variety of applications The SO 8 has been modified through a customized leadframe for enhanced thermal characteristics and multiple die capabili...

Страница 39: ...ideal for set top boxes featuring trick modes such as live TV recording pausing and time shifting The STi5518 is backward compatible with the popular STi5500 set top box decoder allowing easy migrati...

Страница 40: ...ated in silicon gate C2 MOS technology It has the same high speed performance of LSTTL combined with true CMOS low power consumption As the internal circuit is composed of a single stage inverter it c...

Страница 41: ...r only in the supported interface format The CS4334 family is based on delta sigma modulation where the modulator output controls the reference voltage input to an ultra linear analogue low pass filte...

Страница 42: ...clock cycle Range of operating frequencies programmable latencies allows the same device to be useful for a variety of high bandwidth high performance memory system applications 12 6 2 Features JEDEC...

Страница 43: ...39 22 TFT TV Service Manual 13 10 2004...

Страница 44: ...M compatibility MXIC Flash technology reliably stores memory contents even after 100 000 erase and program cycles The MXIC cell is designed to optimize the erase and programming mechanisms In addition...

Страница 45: ...are Data Protection 32 Byte Page Write Mode Partial Page Writes Allowed Self Timed Write Cycle 10 ms max High Reliability Automotive Grade and Extended Temperature Devices Available 8 Pin JEDEC PDIP 8...

Страница 46: ...tion eliminates the need for external components when using wide band AGC tuners In addition to all the demodulation and FEC forward error correction functions required for recovery of the QAM modulat...

Страница 47: ...43 22 TFT TV Service Manual 13 10 2004...

Страница 48: ...44 22 TFT TV Service Manual 13 10 2004...

Страница 49: ...SET output requires a pull up resistor that can be connected to a voltage higher than VCC The MAX803 MAX809 have an active low RESET output while the MAX810 has an active high RESET output The reset c...

Страница 50: ...terrestrial channels for DVB T system Receiving Channel 47 MHz 862 MHz Intermediate Frequency Digital center 36 125 MHz Input Impedance 75 Unbalanced IF Output Impedance 75 Balanced Loop through RF o...

Страница 51: ...y The following menu appears on the screen After entering the Service menu you can access its items by pressing buttons In order to enter selected menu use buttons To exit the service menu press M but...

Страница 52: ...with APS menu at Start up A P S On Off Enables disables Automatic Programming System Headphone On Off Enables disables the usage of the HP and HP related items in sound menu Vsr On Off Enables disabl...

Страница 53: ...es NZ Standard NM On Off Enables disables NM Standard FM Prs Avl On Adjusts the FM Prescaler value when Automatic Volume Levelling is On Min Value 0000 00000 Max Value 00FF 00255 Options Equalizer BG...

Страница 54: ...justs the FM Prescaler value when Automatic Volume Levelling is Off Min Value 0000 00000 Max Value 00FF 00255 Nicam Prs Avl Off Adjusts the Nicam Prescaler value when Automatic Volume Levelling is Off...

Страница 55: ...Adjusts the IF Frequency Min Value 0000 00000 Max Value 00FF 00255 Sound On Off Enables disables Sound Carrier On Off Enables disables sound Carrier feature RC_Options On Off Enables disables Remote...

Страница 56: ...0001 Disable 00000000 HOTEL MODE Enables disables Hotel mode Enable 00000001 Disable 00000000 X Not used LDLY Adjusts the Luna chroma DeLaY value Min Value 0000 00000 Max Value 0008 00008 AGC Adjusts...

Страница 57: ...or to Aps Wss Test parameter by pressing buttons in Service Menu and press button The following menu appears on the screen There are 7 items in the Aps Wss Test menu Programme Search VPS Pdc Format 1...

Страница 58: ...BOARD ITU 656 8 bit Txt RGB FB MAIN L R POWER REGULATORS 2 5V 3 3V 5V 8V 12V 33V AUDIO AMPLIFIER 2x3W TUNER IF PROCESSOR VIDEO SWITCH 2 X RGB SWITCH VIDEO PROCESSOR AUDIO PROCESSOR HP PREAMPLIFIER AU...

Страница 59: ...T_V C Y CVBS PIP_CVBS_EXT MAIN TUNER CVBS_IF CVBS TDA 9886 IF VPC 3230D Video pro PI5V330 RGB SWITCH SC2_RGB FB RGB_SW SC_RGB TEA 5114 RGB SWITCH TEXT_FB RGB FB TEXT RGB MSP 3410G Audio Pro QSS SC1_L...

Страница 60: ...Mx32 SDRAM ADC AD9883 YUV 4 2 2 8 bit YUV 4 2 2 8 bit HS VS SDA5550 MCU 4 4 4RGB 24 bit 3x8 bit RGB TF T LC D PA NE L Selected Video Txt RGB FB I2C 256K 512K ROM Address Data Bus 8K 16K EEPROM Control...

Страница 61: ...57 22 TFT TV Service Manual 13 10 2004 POWER AUDIO AMP BOARD AN7522N AUDIO AMPL MAIN L R MUTE ST BY SPEAKER L SPEAKER R REGULATORS ST BY 14V 5V 3 3V 2 5V 8V 33V 12V 14V...

Страница 62: ...58 22 TFT TV Service Manual 13 10 2004 14 2 DIGITAL...

Страница 63: ...59 22 TFT TV Service Manual 13 10 2004 15 CIRCUIT DIAGRAMS 15 1 ANALOG 17AMP08 001...

Страница 64: ...60 22 TFT TV Service Manual 13 10 2004 17AMP08 002...

Страница 65: ...61 22 TFT TV Service Manual 13 10 2004 17MB10 001...

Страница 66: ...62 22 TFT TV Service Manual 13 10 2004 17MB10 002...

Страница 67: ...63 22 TFT TV Service Manual 13 10 2004 17MB10 003...

Страница 68: ...64 22 TFT TV Service Manual 13 10 2004 17SC10 1 001...

Страница 69: ...65 22 TFT TV Service Manual 13 10 2004 17SC10 1 002...

Страница 70: ...66 22 TFT TV Service Manual 13 10 2004 17SC10 1 003...

Страница 71: ...67 22 TFT TV Service Manual 13 10 2004 17SC10 1 004...

Страница 72: ...68 22 TFT TV Service Manual 13 10 2004 15 2 DIGITAL...

Страница 73: ...69 22 TFT TV Service Manual 13 10 2004...

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