Polaroid PLA-4200M Service Manual Download | Manualshive

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PDP TV SERVICE MANUAL

(6) TDA8944J

STEREO AUDIO AMPLIFIER

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Summary of Contents for PLA-4200M

Page 1: ...42 Plasma Color Television Model PLA 4200M Service Manual...

Page 2: ...Safety instruction 2 2 Specification 4 3 Signal processing and system block diagram 5 4 Part list 7 5 General assembly drawing 10 6 General connection diagram 11 7 Failures analysis 15 8 Description...

Page 3: ...le bath tub laundry tub kitchen sink in a wet basement or near a swimming pool and also near fire or heater for example near or over radiator heat resistor or where it is exposed to direct sunlight or...

Page 4: ...damage it may result in fire hazard or electric shock Also if the PDP module drop or fall it may result in personal injury When you draw or insert the PDP s cable you must turn off the power supply a...

Page 5: ...1 to CATV125 Signal intensity 70dB Audio input Input impedance 10k Input voltage 0 1 0 5 V rms Speaker output 2 5W Visual angle Max 160 Resolution 852 480 Power supply AC 100V 240V 50Hz 60Hz Energy co...

Page 6: ...T Audio IN A2 IN A1 IN Cable air IN 12V 3 3V 5V Speaker U31 5V AC Card U101 U531 U4 U1 U303 J2 J3 J4 S VHS IN Digital RGB J201 U202 R G B H V VGA IN DC DC TDA8944 Audio Amp MSP 3450G U3 MTS Process 27...

Page 7: ...PDP TV SERVICE MANUAL B PDP DISPLAY SCREEN BLOCK DIAGRAM 6...

Page 8: ...aroid PLA 4200M Zinnia PDP Control Circuit Board Polaroid PLA 4200M Main Power Button Polaroid PLA 4200M Tapping Screw ST3 8F Polaroid PLA 4200M Tapping Screw ST3 8 black Polaroid PLA 4200M Tapping Sc...

Page 9: ...PDP TV SERVICE MANUAL 4 Part list 8 This page left intentionally blank...

Page 10: ...PDP TV SERVICE MANUAL 4 Part list 9 This page left intentionally blank...

Page 11: ...PDP TV SERVICE MANUAL 5 General assembly drawing 10...

Page 12: ...PbPr Socket 1 Main board Tuner board Power supply socket 5 3 5 3 1 6 1 9 1 13 1 31 1 Power filter board CN8702 CN8701 220V IN SWITCH CON8002 4 6 1 9 W5 7 31 6 15 15 W17 X1001 Speaker S42SD YD Plasma D...

Page 13: ......

Page 14: ...GND 3 GND D GND 4 B5d1 NC 5 RELAY PDP RELAY 6 TH DET NC 7 FAN DET NC 8 GND A GND 9 GND A GND 10 NC NC 11 V12A NC 12 V5a Vcc5 PDP 13 NC NC Connector Name AUDIO J2 W5 to The Audio Amp Board Pin no Volt...

Page 15: ...Pin no Usage 1 SPEAKER SW 2 SPK OUT1 3 SPK OUT1 4 GND 5 SPK OUT2 6 SPK OUT2 Connector Name OSD W17 Pin no Usage 1 Vcc5 2 KPAD0 3 KPAD1 4 KPAD2 5 KPAD3 6 LED RED 7 LED GREEN 8 Vcc5 SB 9 GND 10 POWER S...

Page 16: ...e control Press power key to turn on Check the external signal source Turn off for 2 minutes then turn on again to check whether the picture emerges if it is ok maybe failure results from poor contact...

Page 17: ...rd voltage Check the supply voltages of mainboard Vcc5 SUB IC U 15 4 Vcc3 IC U8 2 Check and transpose the line of connector check and transpose the main board Check or transpose the signal data line o...

Page 18: ...s correctly set Check J7 waveform of Speaker s audio output Check and exchange IC U3 Check IC U3 Whether input 60 output 27 28 signal is OK Check and exchange speaker Check IC U4 whether input or outp...

Page 19: ...NUAL Check and exchange the connector which is not good Check whether there is audio output in connector CN1 CN2 40 pin Check whether there is audio output in tuner board U5 14 Exchange the tuner boar...

Page 20: ...independently The video switches contain amplifiers can be controled a gain of output 0dB or 6dB FEATURES Video and stereo sound switches in one package Wide frequency range video switch DC 20MHz Hig...

Page 21: ...PDP TV SERVICE MANUAL 20...

Page 22: ...or alternatively MICRONAS Noise Reduction MNR is performed alignment free Other processed standards are the Japanese FM FM multiplex standard EIA J and the FM Stereo Radio standard Current ICs have t...

Page 23: ...Blank FB input integrated high quality A D converters and associated clamp and AGC circuits multi standard sync processing linear horizontal scaling 0 25 4 as well as non linear horizontal scaling Pa...

Page 24: ...PDP TV SERVICE MANUAL Pin Configuration Fig 6 80 pin PQFP package 23...

Page 25: ...two Texts Field 2 consists of five additional data channels two Captions two Texts and Extended Data Services XDS The XDS data structure is defined in EIA 608 The Z86229 can recover and display data...

Page 26: ...PDP TV SERVICE MANUAL 25...

Page 27: ...PDP TV SERVICE MANUAL 5 HY57V641620HG DRAM 26...

Page 28: ...PDP TV SERVICE MANUAL 27...

Page 29: ...PDP TV SERVICE MANUAL 6 TDA8944J STEREO AUDIO AMPLIFIER 28...

Page 30: ...PDP TV SERVICE MANUAL 29 Fig 9 Block diagram...

Page 31: ...PDP TV SERVICE MANUAL 7 PW166 ImageProcessor XGA SXGA Flat Panel Display Controller IC 30...

Page 32: ...PDP TV SERVICE MANUAL Fig11 PW166 Pin Diagram Top View 31...

Page 33: ...PDP TV SERVICE MANUAL ImageProcessor Pin Descriptions 32...

Page 34: ...PDP TV SERVICE MANUAL ImageProcessor Pin Descriptions continued 33...

Page 35: ...PDP TV SERVICE MANUAL ImageProcessor Pin Descriptions continued 34...

Page 36: ...PDP TV SERVICE MANUAL ImageProcessor Pin Descriptions continued 35...

Page 37: ...PDP TV SERVICE MANUAL ImageProcessor Pin Descriptions continued 36...

Page 38: ...PDP TV SERVICE MANUAL ImageProcessor Pin Descriptions continued 37...

Page 39: ...PDP TV SERVICE MANUAL ImageProcessor Pin Descriptions continued 38...

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