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 PLASMA TV 

(Built-in Tuner) 

SERVICE MANUAL 

Summary of Contents for HPT-4205

Page 1: ...42 PLASMA TV Built in Tuner SERVICE MANUAL...

Page 2: ...12 5 SAA3010T 8 12 6 24C32A 9 12 7 SAA5264 10 12 8 LM317 12 12 9 LM393 12 12 10 ST24LC21 13 12 11 TLC7733 13 12 12 74LVC14A 14 12 13 LM1086 15 12 14 LM1117 16 12 15 DS90C385 16 12 16 TL431 18 12 17 M...

Page 3: ...e of a wide variety of SAW filters with sufficient suppression of triple transient Features of UV1316 1 Member of the UV1300 family small sized UHF VHF tuners 2 Systems CCIR B G H L L I and I OIRT D K...

Page 4: ...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 6 outputs Each output can be switched on only one of each...

Page 5: ...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...

Page 6: ...rminals Tinned CuFe alloy Pin configuration 1 Input 2 Input ground 3 Chip carrier ground 4 Output 5 Output 12 IC DESCRIPTIONS MC44608 TCET1102G TDA9886 TEA6415C SAA3010T 24C32 SAA5264 LM317T LM393 ST2...

Page 7: ...detect the secondary reconfiguration status and the 120mA level to detect an Over Voltage status called Quick OVP 2 ISENSE The Current Sense pin senses the voltage developed on the series resistor in...

Page 8: ...t 1 Special construction Therefore extra low coupling capacity of typical 0 2pF high Common Mode Rejection Low temperature coefficient of CTR G Leadform 10 16 mm provides creepage distance 8 mm for TC...

Page 9: ...eference input VAGC 16 VIF AGC for capacitor note 1 CVBS 17 video output AGND 18 analog ground VPLL 19 VIF PLL for loop filter VP 20 supply voltage 5 V AFC 21 AFC output OP2 22 output 2 open collector...

Page 10: ...ent 1mA Max 3mA 12 5 SAA3010T 12 5 1 Description 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 expec...

Page 11: ...atic discharge protection 4000V Data retention 200 years 8 pin PDIP and SOIC packages Temperature ranges Commercial C 0 C to 70 C Industrial I 40 C to 85 C Automotive E 40 C to 125 C 12 6 2 Descriptio...

Page 12: ...rd colour decoder ICs current source Versatile 8 bit open drain Input Output I O expander 5 V tolerant Single 12 MHz crystal oscillator 3 3 V supply voltage SAA5264 features Automatic detection of tra...

Page 13: ...drain active LOW output which allows selective contrast reduction of the TV picture to enhance a mixed mode display 30 I O P3 4 PWM7 described above VDDA 31 analog supply voltage 3 3 V B 32 O Blue co...

Page 14: ...oa Control 12 9 LM393 12 9 1 Description The LM393 series are dual independent precision voltage comparators capable of single or split supply operation These devices are designed to permit a common m...

Page 15: ...bility over the full range of supply voltage Two wire serial interface I2 C bus compatible Page Write Up To 8 Bytes Byte random and sequential read modes Self timed programming cycle Automatic address...

Page 16: ...es at 85 C 5 Volt tolerant inputs outputs for interfacing with 5 Volt logic 12 11 4 Description The 74LVC257A is a high performance low power low voltage Si gate CMOS device and superior to most advan...

Page 17: ...supply voltage 12 13 LM1086 12 13 1 Description The LM1086 is a series of low dropout positive voltage regulators with a maximum dropout of 1 5V at 1 5A of load current It has the same pin out as Nat...

Page 18: ...Converter High Efficiency Linear Regulators Battery Charger Battery Powered Instrumentation 12 14 4 Connection Diagrams 12 15 DS90C385 12 15 1 General Description The DS90C385 transmitter converts 28...

Page 19: ...LVDS differential clock output TxCLK OUT O 1 Negative LVDS differential clock output PWR DOWN I 1 TTL level input Assertion low input TRI STATES the outputs ensuring low current at power down Vcc I 3...

Page 20: ...dards worldwide as well as the NICAM digital sound standards The full TV sound processing starting with analog sound IF signal in down to processed analog AF out is performed on a single chip Figure s...

Page 21: ...tus 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...

Page 22: ...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 47...

Page 23: ...nd 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 Th...

Page 24: ...uperimposing the output of a character generator on a standard composite video background 12 21 AD9883A 12 21 1 General Description The AD9883A is a complete 8 bit 140 MSPS monolithic analog interface...

Page 25: ...AMP Signal PLL COAST Signal Input 0 0 V to 1 0 V 0 0 V to 1 0 V 0 0 V to 1 0 V 3 3 V CMOS 3 3 V CMOS 0 0 V to 1 0 V 3 3 V CMOS 3 3 V CMOS 54 48 43 30 31 49 38 29 Outputs Red 7 0 Green 7 0 Blue 7 0 DAT...

Page 26: ...ed When the sampling time is changed by adjusting the PHASE register the output timing is shifted as well The DATACK and HSOUT outputs are also moved so the timing relationship among the signals is ma...

Page 27: ...k at its current frequency and phase This is useful when processing signals from sources that fail to produce horizontal sync pulses during the vertical interval The COAST signal is generally not requ...

Page 28: ...port the SAA7118E supports 8 or 16 bit wide output data with auxiliary reference data for interfacing to VGA controllers The target application for the SAA7118E is to capture and scale video images to...

Page 29: ...synchronization e g for World Standard Teletext WST North American Broadcast Text System NABTS close caption Wide Screen Signaling WSS etc Audio clock generation Generation of a field locked audio ma...

Page 30: ...nal affects all X port pins XPD7 to XPD0 XRH XRV XDQ and XCLK enable and active polarity is under software control bits XPE in subaddress 83H TEST4 B12 O do not connect reserved for future extensions...

Page 31: ...ort data I O extended CB CR input for expansion port extended CB CR output for image port AI34 G1 I analog input 34 VDDA3A G2 P analog supply voltage for analog inputs AI3x 3 3 V AI22 G3 I analog inpu...

Page 32: ...core ADP7 M6 O MSB 1 of direct analog to digital converted output data VSB ADP2 M7 O MSB 6 of direct analog to digital converted output data VSB VDDD11 M8 P digital supply voltage 11 peripheral cells...

Page 33: ...Test Access Port TAP controller to the TEST_LOGIC_RESET state normal operation at once 5 Pin strapping is done by connecting the pin to the supply via a 3 3 resistor During the power up reset sequenc...

Page 34: ...Input Voltage Down to 1 8 V Low 170 mV Dropout Voltage at 1 A TPS72525 Stable With Any Type Value Output Capacitor Integrated Supervisor SVS With 50 ms RESET Delay Time Low 210 A Ground Current at Fu...

Page 35: ...ut output via I 2 C bus Address by 3 hardware address pins Sampling rate given by I 2 C bus speed 4 analog inputs programmable as single ended or differential inputs Auto incremented channel selection...

Page 36: ...upported Multi region nonlinear scaling allows these inputs to be resized optimally for the native resolution of the display Advanced scaling techniques are supported such as format conversion using m...

Page 37: ...t for future performance enhancements while maintaining the same logical interface System designers can be assured that the interface will be stable through a number of technology and performance gene...

Page 38: ...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...

Page 39: ...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...

Page 40: ...es in the application Each block can be programmed and erased over 100 000 cycles Instructions for Read Reset Auto Select for reading the Electronic Signature or Block Protection status Programming Bl...

Page 41: ...o exit 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...

Page 42: ...ss 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 button select agc adjustment Press butto...

Page 43: ...color temp is set as user then R G B settings can be adjusted By pressing button select Red Green or Blue Press button to increase the color value Press button to decrease the color value R G B values...

Page 44: ...evel By pressing button select solid field level Press button to increase or button to decrease the solid field level Solid field level can be adjusted between 0 and 64 factory reset By pressing butto...

Page 45: ...nt By pressing button select dlti DLTI can be adjusted between 0 and 255 by pressing button luminance peaking By pressing button select luminance peaking Luminance peaking can be set to on or off by p...

Page 46: ...threshold By pressing button select nr threshold Nr threshold can be set to low or high by pressing button noise reduction By pressing button select noise reduction Noise reduction can be adjusted bet...

Page 47: ...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...

Page 48: ...CESSOR MAIN PICTURE PHILIPS SAA7118E VIDEO PROCESSOR PIP PICTURE PHILIPS PW181 AUDIO VIDEO GRAPHICS IN OUT AUDIO AMPL BOARD 2 LAYER MAIN BOARD 6 LAYER DS090C385 LVDS Tx NATIONAL 24 bit RGB I2C HS VS D...

Page 49: ...PS IF IC 1 TDA9886 I2C I2C IF 1 TUN1_CVBS TUN1_QSS1 SC1_V_OUT PHILIPS IF IC 2 TDA9886 IF 2 TUN2_CVBS TO TEA6415 VIDEO SWITCH TO MSP3410G AUDIO PROCESSOR FOR MAIN SOUND TO TEA6415 PIP VIDEO SWITCH A V...

Page 50: ...C VIDEO SWITCH ST SC1_V_IN SC2_V_IN PIP_CVBS FAV_CVBS VxtoSAA7118 MP SELECTED VIDEO TO SAA7118 MP FOR MAIN PICTURE VxtoSAA7118 PIP SELECTED VIDEO TO SAA7118 PIP FOR PIP PICTURE TUN1_CVBS SC2_V_OUT SEL...

Page 51: ...49 Plasma TV Service Manual 14 03 2005 MSP SC1_AUDIO_L R_IN SC2_AUDIO_L R_IN FAV_AUDIO_L R_IN PC_AUDIO_L R_IN LINE_L R_OUT SC2_AUDIO_L R_OUT SC1_AUDIO_L R_OUT HEADPHONE AUDIO MATRIXING...

Page 52: ...NTO TEA6415 VIDEO SWITCH SVHSfromSC2_C SC2_FB INTO VPC3230D SC2_B SC2_G SC2_R INTO RGB SWITCH INTO PCF8591 INTO PCF8591 A V IN OUT CIN SVHS_Y_IN S VIDEO INTO SAA7118 INTO SAA7118 PC_AUDIO_R_IN PC_AUDI...

Page 53: ...1231 DE INTERLACER 24 bit RGB SVIDEO1_C SVIDEO1_Y SVIDEO1_C SVIDEO1_Y TXT CC_FB TXT CC_R TXT CC_G TXT CC_B TXT CC_FB TXT CC_R TXT CC_G TXT CC_B TXT CC_R TXT CC_G TXT CC_B 16 bit YUV Progressive or Int...

Page 54: ...PHILIPS CVBS_ for TELETEXT TXT CC_R TXT CC_FB TXT CC_G TXT CC_B FROM VIDEO SWITCH INTO SAA7118 RGB FB PORTS PIN 8 SWITCHING PCF8591 SC2 PIN8 SC2 PIN8 SC3 PIN8 SC3 PIN8 SC1 PIN8 SC1 PIN8 SC4 PIN8 SC4...

Page 55: ...SCART 1 CVBS INPUT 2 SCART 2 CVBS INPUT 3 SCART 1 RGB FB INPUT 4 SCART 2 RGB FB INPUT 5 BAV IN 6 FAV IN 7 FRONT SVHS IN 8 VGA INPUT 9 DVI INPUT 10 MAIN TUNER 11 PIP TUNER 1 SCART 1 CVBS OUT 2 SCART 2...

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