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23

Plasma TV Service Manual

05/01/2006

or more pictures can be viewed at the same time. An inexpensive NTSC titler can be implemented by
superimposing the output of a character generator on a standard composite video background.

12.21. MST9883

12.21.1. General Description

The MST9883C is a fully integrated analog interface for digitizing high-resolution RGB graphics signals
from PC’s and workstations. With a sampling rate capability of up to 140 MHz, it can accurately support
display resolutions up to 1280x1024 (SXGA) at 75 Hz. The clamped input circuits provide sufficient
bandwidth to accurately digitize each pixel.

12.21.2. Features

• Triple ADC with 12 - 140 MHz Sampling Rate
• Integrated line locked PLL generates pixel clock from HSYNC
• Integrated clamp with timing generator
• Integrated Brightness & Contrast controls
• Pin Compatible with AD9883A
• 4:2:2 and 4:4:4 Output Format Mode
• BT656 output format mode*
• Black and mid-level precision clamp and calibration

12.21.3. Pin Descriptions

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Содержание 17MB11

Страница 1: ...50 PLASMA TV 17MB11 SERVICE MANUAL...

Страница 2: ...eral Description 6 12 3 2 Features 6 12 3 3 Pinning 7 12 4 TEA6415C 7 12 4 1 General Description 7 12 4 2 Features 8 12 4 3 Pinning 8 12 5 SAA3010T 8 12 5 1 Description 8 12 5 2 Features 8 12 5 3 Pinn...

Страница 3: ...18 1 Description 21 12 18 2 Features 21 12 18 3 Pin Connection 21 12 19 TDA1308 22 12 19 1 General Description 22 12 19 2 Features 22 12 19 3 Pinning 22 12 20 PI5V330 22 12 20 1 General Description 2...

Страница 4: ...ption 35 12 29 2 Features 36 12 29 3 Pin Descriptions 36 12 30 FLASH 8MBit 37 12 30 1 Description 37 12 30 2 Features 37 12 31 LM2576 37 12 31 1 Description 37 12 31 2 Features 38 12 31 3 Pin Descript...

Страница 5: ...e low IF output impedance has been designed for direct drive of a wide variety of SAW filters with sufficient suppression of triple transient Features of UV1316 1 Member of the UV1300 family small siz...

Страница 6: ...any adjustments 5 VIDEO SWITCH TEA6415 In case of three or more external sources are used the video switch IC TEA6415 is used The main function of this device is to switch 8 video input sources on the...

Страница 7: ...serial master slave interface modules that can be multiplexed to control up to five 2 wire serial ports The slave 2 wire interface is designed for HDCP use only and requires the use of HDCP Image Pro...

Страница 8: ...0 Terminals Tinned CuFe alloy Pin configuration 1 Input 2 Input ground 3 Chip carrier ground 4 Output 5 Output 12 IC DESCRIPTIONS MC34063 24LC32 TDA9886 TEA6415C SAA3010T 24C32 SAA5264 LM317T LM393 ST...

Страница 9: ...ically Erasable PROM capable of operation across a broad voltage range 2 5V to 6 0V This device has been developed for advanced low power applications such as personal communications or data acquisiti...

Страница 10: ...yte or page Factory programming QTP available Up to 8 devices may be connected to the same bus for up to 256K bits total memory Electrostatic discharge protection 4000V Data retention 200 years 8 pin...

Страница 11: ...tchable via I2 C bus AM demodulator without extra reference circuit Alignment free selective FM PLL demodulator with high linearity and low noise I2 C bus control for all functions I2 C bus transceive...

Страница 12: ...lock Low level 0 3V Max 1 5V High level 3 0V Max Vcc 0 5V 5 Input Max 2Vpp Input Current 1mA Max 3mA 6 Input Max 2Vpp Input Current 1mA Max 3mA 7 Prog 8 Input Max 2Vpp Input Current 1mA Max 3mA 9 Vcc...

Страница 13: ...cycles guaranteed 32 byte page or byte write modes available Schmitt trigger filtered inputs for noise suppression Output slope control to eliminate ground bounce 2 ms typical write cycle time byte o...

Страница 14: ...Wide Screen Signalling WSS decoding Pan European Cyrillic Greek Turkish and French Arabic character sets in each chip High level command interface via I2 C bus gives easy control with a low software...

Страница 15: ...Signal CVBS input a positive going 1V CVBS1 24 I peak to peak input is required connected via a 100 nF capacitor SYNC_FILTER 25 I sync pulse filter input for CVBS this pin should be connected to VSSA...

Страница 16: ...only a resistive divider making the device exceptionally easy to use and eliminating the stocking of many fixed regulators 12 8 2 Features Output voltage range 1 2 To 37V Output current In excess of 1...

Страница 17: ...nal mode to the Transmit Only 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...

Страница 18: ...ion the TLC77xx power has to be supplied by the battery The TLC77xxQ is characterized for operation over a temperature range of 40 C to 125 C and the TLC77xxI is characterized for operation over a tem...

Страница 19: ...tter free output signals 12 13 4 Pin Description PIN NUMBER SYMBOL DESCRIPTION 1 3 5 9 11 13 1A 6A Data inputs 2 4 6 8 10 12 1Y 6Y Data outputs 7 GND Ground 0V 14 Vcc Positive supply voltage 12 14 LM1...

Страница 20: ...97 5 Mbytes sec Also available is the DS90C365 that converts 21 bits of LVCMOS LVTTL data into three LVDS Low Voltage Differential Signaling data streams Both transmitters can be programmed for Rising...

Страница 21: ...ta output TxCLKIN I 1 TTL Ievel clock input The rising edge acts as data strobe Pin name TxCLK IN R_FB I 1 Programmable strobe select HIGH rising edge LOW falling edge TxCLK OUT O 1 Positive LVDS diff...

Страница 22: ...ming to the standard recommended by the Broadcast Television Systems Committee BTSC The DBX noise reduction or alternatively MICRONAS Noise Reduction MNR is performed alignment free Other processed st...

Страница 23: ...us change Loudspeaker Headphone channel with volume balance bass treble loudness AVC Automatic Volume Correction Subwoofer output with programmable low pass and complementary high pass filter 5 band g...

Страница 24: ...6 66 49 AVSUP OBL Analog power supply 5V 65 AVSUP OBL Analog power supply 5V 64 NC LV Not connected 63 NC LV Not connected 27 56 45 62 48 AVSS OBL Analog ground 61 AVSS OBL Analog ground 28 55 44 60 4...

Страница 25: ...d 67 18 16 13 10 DVSUP OBL Digital power supply 5V 12 DVSUP OBL Digital power supply 5V 11 DVSUP OBL Digital power supply 5V 68 17 15 10 9 ADR_CL OUT LV ADR clock 12 18 TDA8928 12 18 1 Description The...

Страница 26: ...temperature range No switch ON OFF clicks Excellent power supply ripple rejection Low power consumption Short circuit resistant High performance High signal to noise ratio High slew rate Low distortio...

Страница 27: ...orkstations With a sampling rate capability of up to 140 MHz it can accurately support display resolutions up to 1280x1024 SXGA at 75 Hz The clamped input circuits provide sufficient bandwidth to accu...

Страница 28: ...uit It is a highly integrated circuit for desktop video and similar applications The decoder is based on the principle of line locked clock decoding and is able to decode the colour of PAL SECAM and N...

Страница 29: ...colour and cross luminance artifacts PAL delay line for correcting PAL phase errors Brightness Contrast Saturation BCS adjustment separately for composite and baseband signals User programmable sharpn...

Страница 30: ...complies with the IEEE Std 1149 b1 1994 BGA156 package 12 22 3 Pinning SYMBOL PIN TYPE DESCRIPTION XTOUT A2 O crystal oscillator output signal auxiliary signal XTALO A3 O 24 576 MHz 32 11 MHz crystal...

Страница 31: ...ertical reference I O expansion port VSSD3 D9 P digital ground 3 peripheral cells VSSD4 D10 P digital ground 4 core VSSD5 D11 P digital ground 5 peripheral cells VDDD5 D12 P digital supply voltage 5 p...

Страница 32: ...ddresses 84H and 85H IGPV K14 O multi purpose vertical reference output signal image port controlled by subaddresses 84H and 85H VDDA1A L1 P analog supply voltage for analog inputs AI1x 3 3 V AGNDA L2...

Страница 33: ...esting TEST18 P2 I O do not connect reserved for future extensions and for testing EXMCLR P3 I pd external mode clear with internal pull down LLC P4 O line locked system clock output 27 MHz nominal RE...

Страница 34: ...d Standby current is less than 1 A Each regulator option is available in either a SOT223 5 D TPS72501 only or DDPAK package With a low input voltage and properly heatsinked package the regulator dissi...

Страница 35: ...settling time after power on 200_s 12 25 PCF8591 12 25 1 General Description The PCF8591 is a single chip single supply low power 8 bit CMOS data acquisition device with four analog inputs one analog...

Страница 36: ...y digital video signal processor that incorporates Pixelworks patented deinterlacing scaling and video enhancement algorithms The PW1231 accepts industry standard video formats and resolutions and con...

Страница 37: ...frame rate conversion and enhanced video processing completely on chip A separate memory is dedicated to storage of on screen display images and CPU general purpose use Advanced video processing tech...

Страница 38: ...re programmed HDCP eys to simplify manufacturing and provide the highest level of security 12 28 2 Features Integrated 25 165MHz PanelLink DVI 1 0 compliant core supports VGA to UXGA resolutions Suppo...

Страница 39: ...or WRITE command are used to select the starting column location for the burst access The SDRAM provides for programmable READ or WRITE burst lengths of 1 2 4 or 8 locations or the full page with a bu...

Страница 40: ...selection on systems with multiple banks CS is considered part of the command code 16 17 18 WE CAS RAS Input Command Inputs WE CAS and RAS along with CS define the command being entered 39 x4 x8 DQM...

Страница 41: ...ten to the device in cycles of commands to a Command Interface using standard microprocessor write timings 12 30 2 Features 2 7V to 3 6V Supply Voltage for Program Erase and Read Operations Access Tim...

Страница 42: ...load conditions The oscillator frequency is guaranteed to 10 External shutdown is included featuring less than 200 A standby current The output switch includes cycle bycycle current limiting and ther...

Страница 43: ...it the service menu press M button Entire service menu parameters of Plasma TV are listed below 13 1 display menu By pressing buttons select the first icon display menu appears on the screen blank col...

Страница 44: ...ss e f button to set the subwoofer level Subwoofer level can be adjusted between 0 and 32 agc adjustment Adjustment for automatic gain control of tuner By pressing c d button select agc adjustment Pre...

Страница 45: ...f color temp is set as user then R G B settings can be adjusted By pressing c d button select Red Green or Blue Press f button to increase the color value Press e button to decrease the color value R...

Страница 46: ...ing values main tuner By pressing c d button select main tuner Press e f button to set a tuner as main tuner pip tuner By pressing c d button select pip tuner Press e f button to set a tuner as pip tu...

Страница 47: ...e f button bad cut By pressing c d button select vof Bad cut can be set to on or off by pressing e f button nr threshold By pressing c d button select nr threshold Nr threshold can be set to low or h...

Страница 48: ...n Brightness contrast sharpness color volume and headphone volume factory settings can be seen in this menu When factory reset is selected in the calibration menu the values in the factory settings me...

Страница 49: ...R 8 Ohms 12W HP_L R PW181A PW1231 MT48LC4M16A2 SDRAM A0 A13 14 D0 D15 16 MT28F800B3W Flash Memory A0 A19 20 D0 D15 16 RGB 24 DS90C385 LVDS TX S Video_Y_IN S Video_C_IN TEA6415 Video Switch SC1_V_OUT...

Страница 50: ...47 Plasma TV Service Manual 25 08 2005 15 CIRCUIT DIAGRAMS...

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