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Fall 2009 1080P Plasma 50PS60

Specifications Pg 1

Specifications Pg 1

1080P PLASMA HDTV

Full HD 1080p Plasma TV (50” diagonal)

•50" Screen
•Full HD 1080p
•THX Display Certification and THX Cinema Mode
•THX Media Director
•Super Bright Panel: 1,500 cd/m2 Brightness
•30,000:1 Contrast Ration
•600Hz Sub Field Driving
•Four (4) HDMI (V.1.3 with Deep Color)
•ISFccc ready
•USB 2.0 for access to digital music and photos (MP3, JPEG)
•LG SimpLink(TM) Connectivity
•Smart Energy Saving
•LG Core Technologies:

(Clear Voice II, Invisible Speaker, Picture Wizard, Intelligent Sensor)

•Easy UI menu interface
•Pure Black Level
•Auto Navigation:

(VCR, DVD, Bluray, HD DVD, SetTop Box, Satellite, Cable Box, Game, PC)

•Input Labeling

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Содержание 50PS60 Series

Страница 1: ...Advanced Single Scan Troubleshooting Training Manual 50PS60 Plasma Display 50PS60 Plasma Display July 2009 ...

Страница 2: ...rd Layout 24 Power supply board Removal 25 Main board Removal 26 Control board Removal 27 50PS60 TABLE OF CONTENTS TOPICS DISASSEMBLY continued Y SUS board Removal 28 Top Y Drive board Removal 29 Bottom Y Drive board 30 Z SUS board Removal 31 Ft Control board Removal 32 X Board Removal Text 33 X Board Removal 34 TROUBLESHOOTING 35 Signal and Voltage Block Diagram 36 Panel Label Explained 37 Adjust...

Страница 3: ...ard Operation Troubleshooting and Alignment of Switch Mode Power Supply Main Board Section 1 Section 2 Contact Information Preliminary Matters Specifications Plasma Overview General Troubleshooting Steps Disassembly Instructions Voltage and Signal Distribution OUTLINE OUTLINE Power Button Front Key Board NEW Receives its 5V from Power Supply not Y SUS Turns off the SMPS via Key On line NEW ...

Страница 4: ... can save time and money sometimes can be overlooked These techniques will also be presented This Section will get the Technician familiar with the Disassembly Identification and Layout of the Plasma Display Panel At the end of this Section the Technician should be able to Identify the Circuit Boards and have the ability and knowledge necessary to safely remove and replace any Circuit Board or Ass...

Страница 5: ...G Electronics Unauthorized modifications will not only void the warranty but may lead to property damage or user injury If wires screws clips straps nuts or washers used to complete a ground path are removed for service they must be returned to their original positions and properly fastened CAUTION CAUTION To avoid personal injury disconnect the power before servicing this product If electrical po...

Страница 6: ...evice pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications However ther...

Страница 7: ... 243 0000 Technical Support and Part Sales 800 847 7597 USA Website GCSC aic lgservice com Customer Service Website us lgservice com LG Web Training lge webex com LG CS Academy lgcsacademy com LG Electronics Alabama Inc 201 James Record Road Huntsville AL 35813 http 136 166 4 200 Published August 2009 by LG Technical Support and Training 32LG40 32LH30 42LG60 42LG70 42LH20 42LH40 42LH50 47LG90 42PG...

Страница 8: ...se of residual current stored before Circuit Board removal 4 C MOS circuits are used extensively for processing the Drive Signals and should be protected from static electricity 5 The PDP Module must be carried by two people Always carry vertical NOT horizontal 6 The Plasma television should be transported vertical NOT horizontal 7 Exercise care when making voltage and waveform checks to prevent c...

Страница 9: ...gh examination using your senses the first check should always be the DC Supply Voltages to those circuits under test Always confirm the supplies are not only the proper level but be sure they are noise free If the supplies are missing check the resistance for possible short circuits Isolate To further isolate the failure check for the proper waveforms with the Oscilloscope to make a final determi...

Страница 10: ...his section of the manual will discuss the specifications of the 50PS60 Single layer design The 1080p Full HD resolution and THX Display certification makes this series the must have HDTV in 2009 Product Information Product Information ...

Страница 11: ...00 cd m2 Brightness 30 000 1 Contrast Ration 600Hz Sub Field Driving Four 4 HDMI V 1 3 with Deep Color ISFccc ready USB 2 0 for access to digital music and photos MP3 JPEG LG SimpLink TM Connectivity Smart Energy Saving LG Core Technologies Clear Voice II Invisible Speaker Picture Wizard Intelligent Sensor Easy UI menu interface Pure Black Level Auto Navigation VCR DVD Bluray HD DVD SetTop Box Sat...

Страница 12: ...V Chip Key Lock Closed Caption 3 English Spanish French Trilingual Menus English Spanish French EZ Menus High Performance Interface Channel Add Delete Favorite Channel Auto Clock Manual Clock On Off Timer Sleep Timer SimpLink Auto Off When no video is present Image Sticking Minimization 100 000 Hour Panel Life typical NTSC ATSC Tuners with Clear QAM ...

Страница 13: ...ESOLUTION 1080p HD Resolution Pixels 1920 H 1080 V High definition television is the highest performance segment of the DTV system used in the US It s a wide screen high resolution video image coupled with multi channel compact disc quality sound HDMI 1 3 Deep Color Digital multi connectivity HDMI 1 3 Deep color provides a wider bandwidth 340MHz 10 2Gbps than that of HDMI 1 2 delivering a broader ...

Страница 14: ...rization Picture Wizard Specifications Logo Familiarization Picture Wizard Customers can customize picture performance without the need for additional expense Picture Wizard easily guides consumers through the calibration process using on screen reference points ...

Страница 15: ...ncy ensuring clear sound despite loud background noise Save Energy Save Money Home electronic products use energy when they re off to power features like clock displays and remote controls Those that have earned the ENERGY STAR use as much as 60 less energy to perform these functions while providing the same performance at the same price as less efficient models Less energy means you pay less on y...

Страница 16: ...rame No smeared images during fast motion scenes 600Hz Sub Field Driving 600Hz Sub Field Driving Note Sub field 2 Note Sub field 2 through 10 are through 10 are actually in reverse actually in reverse Brighter image Brighter image should be last should be last Sub Field firing occurs using wall charge and polarity differences between Y SUS and Z SUS signals ...

Страница 17: ... Display Certification signifies that an HDTV delivers exceptional images bringing more immersive movie broadcast and video game experiences to your living room Long history in the video category DVD D cinema mastering programs THX Optimizer THX is unique since it is involved in every step of the production chain Mission make the picture at home look like the picture in the studio THX Familiarizat...

Страница 18: ...17 Fall 2009 1080P Plasma 50PS60 Remote Control Remote Control TOP PORTION BOTTOM PORTION ...

Страница 19: ...ultaneously Press and Hold the Menu Key on the Side Key pad and Press and Hold the Menu Key on the Remote approximately 5 seconds 3 If Customer s Menu appears continue to hold until it disappears 4 The Service Menu appears Note It is possible dependant upon the Software Version a Password may be required to enter the Service Menu If a password is required enter 0000 ...

Страница 20: ...19 Fall 2009 1080P Plasma 50PS60 Rear and Side Input Jacks Rear and Side Input Jacks USB Music Pictures and Software Upgrades ...

Страница 21: ...ted you will see COMPLETE 9 Your TV will be restarted automatically CAUTION Do not remove AC power or the USB Flash Drive Do not turn off Power during the upgrade process 2 Copy new software xxx bin to Root Make sure to have correct software file 3 With TV turned on insert USB flash drive 4 You can see the message TV Software Upgrade Shows the Currently Installed Version Shows the Software Version...

Страница 22: ...wall mount Model No Serial No Label 15 5 16 405mm 25 7 16 646mm 32 1 2 825 5mm 5 11 16 145mm 6 7 8 174mm 2 1 8 54mm 15 3 4 400mm 4 3 4 120mm 15 3 4 400mm 15 3 4 400mm 15 3 4 400mm 80 lbs with Stand 74 5 lbs without Stand Weight 21 There must be at least 4 inches of Clearance on all sides 295W Typical 0 13W Stand By Power ...

Страница 23: ...t Board Identification of the 50PS60 Advanced Single Scan Plasma Display Panel Upon completion of this section the Technician will have a better understanding of the disassembly procedures the layout of the printed circuit boards and be able to identify each board DISASSEMBLY SECTION DISASSEMBLY SECTION ...

Страница 24: ...Cover To remove the back cover remove the 29 screws Indicated by the arrows The Stand does not need to be removed PAY CLOSE ATTENTION TO THE TYPE SIZE AND LENGTH Of the screws when replacing the back cover Improper type can damage the front 23 ...

Страница 25: ...ht X Left X Main PWB Power Supply SMPS PWB FPC FPC Power Button FPC FPC AC In Side Input part of main FPC FPC FPC FPC FPC FPC FPC Center X Z SUB PWB Y Drive Upper Panel Voltage Label Control PWB Panel ID Label Conductive Tape Under Main PWB TCP Heat Sink Control Keys Y Drive Lower Invisible Speakers ...

Страница 26: ...25 Fall 2009 1080P Plasma 50PS60 SMPS Switch Mode Power Supply PWB Removal SMPS Switch Mode Power Supply PWB Removal P812 P811 P813 SC101 Disconnect P811 P812 P813 and SC101 Then Remove the 8 Screws ...

Страница 27: ...P Plasma 50PS60 Main PWB Removal Main PWB Removal P1001 Disconnect P1001 P1005 and P1006 Disconnect P1003 by lifting up the locking mechanism and removing the LVDS ribbon cable Then Remove the 4 Screws P1005 P1006 P1003 ...

Страница 28: ...ssing inward on the two locking tabs and rocking the cable out Disconnect P1 P101 P102 and P104 by removing the tape and lifting upward on the locking tab pulling the cable out Then Remove the 4 Screws P101 P5 P104 P102 P2 P200 n c n c n c n c n c n c Look on back Look on back for heat transfer for heat transfer material material ...

Страница 29: ... Removal Disconnect P302 and P307 Disconnect P101 and P309 by removing the tape and lifting upward on the locking tab pulling the cable out Then Remove the 10 Screws Carefully separate the Y SUS from the Y Drive Upper and Lower Boards P302 P101 P307 P309 n c n c ...

Страница 30: ...e All connectors Note All connectors going to the Y going to the Y SUS board SUS board are fragile are fragile P114 P116 P214 and P114 P116 P214 and P216 P216 Removing and reinserting Removing and reinserting the drive board or the the drive board or the Y Y SUS can cause an SUS can cause an intermittent or open intermittent or open connection connection Investigate these Investigate these connect...

Страница 31: ...tors Note All connectors going to the Y going to the Y SUS board SUS board are fragile are fragile P114 P116 P214 and P114 P116 P214 and P216 P216 Removing and reinserting Removing and reinserting the drive board or the the drive board or the Y Y SUS can cause an SUS can cause an intermittent or open intermittent or open connection connection Investigate these Investigate these connectors carefull...

Страница 32: ... Removal Disconnect P100 and P101 Disconnect P102 and P104 by pulling out to the right the locking tabs and removing the FPC from the connector Then Remove the 8 Screws Carefully separate the Z SUS from the Z SUB P103 and remove P104 P102 P103 P101 P100 n c n c ...

Страница 33: ...t the bottom of the Power LED PWB Remove the 1 screw at the bottom of the Power LED PWB 1 1 2 2 Note this s Note this screw has an Oversized washer which locks the board in place 2 Ground Strap screw Ground snap Cabinet Bottom Note the left screw in step 1 has a ground strap Note the left screw in step 1 has a ground strap lug Make sure to return it when reinstalling the lug Make sure to return it...

Страница 34: ...8 P1101 and P900 The LVDS connector should already be removed see above D Remove the 4 screws from the Main Board Mounting Bracket Note Decorative Plastic Piece on right does not need to be removed Carefully reposition the Main Board and Mounting Bracket up and off to the right side E Remove the metal support Braces marked E Note There is a Left and a Right brace 3 Screws per bracket F Remove the ...

Страница 35: ...X Circuit Boards Getting to the X Circuit Boards A C E Left F Heat Sink Warning Never run the TV with the TCP Heat Sink removed Warning Shorting Hazard Conductive Tape Do not allow to touch energized circuits Also under the Main board B C E Right B D ...

Страница 36: ... Drive Boards At the end of this Section the technician should understand the operation of each circuit board and how to adjust the controls The technician should be able with confidence to troubleshoot a circuit board failure replace the defective circuit and perform all necessary adjustments CIRCUIT OPERATION TROUBLESHOOTING AND CIRCUIT ALIGNMENT SECTION CIRCUIT OPERATION TROUBLESHOOTING AND CIR...

Страница 37: ...US PWB P101 P200 P104 P232 P211 P311 P331 Display Panel Vertical Address Color Information Display Panel Grids Address Reset 17V Relay On M5 On VS On STB5V 5V 17V 12V to Main PWB Vs Va and M5V to Y SUS Z SUS M5V to Control PWB SMPS OUTPUT VOLTAGES IN RUN P104 17V Z Drive Signals IR Power LED Intelligent Sensor FPCs FPCs 5V STBY P103 P214 P111 P211 P112 P116 P114 Drive Data Clock i2c P309 Data Cloc...

Страница 38: ...sting Voltage Set Up Vy Vsc Ve Vzb 6 Trade name of LG Electronics 7 Manufactured date Year Month 8 Warning Panel Label Explanation Panel Label Explanation 9 TUV Approval Mark 10 UL Approval Mark 11 UL Approval No 12 Model Name 13 Max Watt Full White 14 Max Volts 15 Max Amps 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ...

Страница 39: ... 2 Panel is replaced Check Va Vs since the SMPS does not come with new panel 3 A Picture issue is encountered 4 As a general rule of thumb when ever the back is removed Remember the Voltage Label MUST be followed it is specific to the panel s needs All label references are from a specific panel They are not the same for every panel encountered The Waveform adjustment is only necessary 1 When the Y...

Страница 40: ...The SMPS outputs the following voltages STBY 5V Stand STBY 5V Stand By By 5V 12V when Relay On command arrives 5V 12V when Relay On command arrives M5V to the Control Y M5V to the Control Y SUS and Z SUS and Z SUS boards when M5 On SUS boards when M5 On command arrives command arrives 17V to the Main board when Vs on arrives 17V to the Main board when Vs on arrives VS to the Y VS to the Y SUS and ...

Страница 41: ...M5V Monitor 5 volts Used to develop Bias Voltages on the Y SUS Z SUS and Control Boards 17V Audio B Supply 5V Signal Input Circuits Adjustments There are 2 adjustments located on the Power Supply Board VA and VS The 5V VCC is pre adjusted and fixed All adjustments are made with relation to Chassis Ground Use Full White Raster 100 IRE Each panel has its own adjustment values for Va and Vs Use the P...

Страница 42: ...ontrol P814 To Main SC101 Fuse F101 2 15A 250V F302 1A 250V Vs Adj VR901 Va Adj VR501 Hot Ground Symbol M5V M5V Gnd VA VA Gnd Gnd NC VS VS IC701 1 SMPS Switch Mode Power Supply PWB Layout SMPS Switch Mode Power Supply PWB Layout 1 1 1 VS VS NC Gnd Gnd VA VA Gnd M5V M5V 1 4 M5V 5 8 Gnd ...

Страница 43: ...ircuit to close both Relays RL102 and RL103 bringing the PFC source up to full power by increasing the 165V standby to 380V run which can be read measuring voltage at Fuse F302 and F801 from Hot Ground At this time the run voltages 12V and 5V sources become active and are sent to the Main Board via P814 12V at pins 5 and 6 and 5V at pins 9 10 and 12 The 5V detect line from the Main Board to the SM...

Страница 44: ...Relay On Primary side is 386V 4 4 14 Control PWB X PWB Left 14 3 3V Reg 2 5V Det Relay On Y SUS PWB Z SUS PWB 10 17V 17V 17V 17V 5VFG Va Y DRIVE Upper X PWB Center X PWB Right Y DRIVE Lower STBY 5V M5V M5V M5V Vs Va Vs Va 15 11 11 11 12 16 16 15 3 3V 12 13 9 15 15 15 5 2 5 Other Circuits Vs Va 13 14 16 10 15 16 10 10 15 15 Standby 5V will not be output if the Power Button is off Power Button On Of...

Страница 45: ...ight Set should be in Full White Raster and Heat Run 10 Minutes 1 VS ADJUST Connect DVM to pin 1 or 2 of P812 Adjust VR901 until the voltage matches your panel s voltage label 2 VA ADJUST Connect DVM to pin 6 or 7 of P812 Adjust VR501 until the voltage matches your panel s voltage label VS and VA adjustment resistors are shown in the drawing below VR901 is the VS adjustment pot VR501 is the VA adj...

Страница 46: ...r Va voltage Note This SMPS will run without a load however if the Vs is not loaded the 17V will pulsate up and down It is always best to test the SMPS under a load using the 2 light bulbs P811 P814 1 2 P813 U701 P812 T301 SC101 10 M5V 9 M5V 8 Gnd 7 VA 6 VA 5 Gnd 4 Gnd 3 NC 2 VS 1 VS 23 24 Check Pins 11 or 23 for 5V SBY Check Pin 18 for AC Det 5V If AC Det is missing the TV will come on then shut ...

Страница 47: ...ower Button is pressed on the Key On Line is grounded which allows the 5V Standby to go to 5V 46 A Grounding both the Auto Gnd and the Key On Lines will allow the supply to be powered up one section at a time B Add a 100Ω watt resistor from 5V Standby to RL_ON and the 12V and 5V Run Lines will become active C Add a 100Ω watt resistor from 5V Standby to M5V_ON to make the Main 5V Line operational D...

Страница 48: ...nd 3 2 2V 17 3V 0V 17V 1 Diode Mode Run STBY Label Pin Open Gnd Gnd Auto Gnd 22 Open 0V 0V Key On 24 Open 3 2V 0V VS On 20 1 45V 5V 5V AC Det 18 n c n c n c n c 16 Gnd Gnd Gnd Gnd 14 1 2V 5 15V 0V 5V 12 1 2V 5 15V 0V 5V 10 Gnd Gnd Gnd Gnd 8 Open 12V 0V 12V 6 Gnd Gnd Gnd Gnd 4 2 2V 17 3V 0V 17V 2 Diode Mode Run STBY Label Pin P814 CONNECTOR SMPS to Main PWB P1006 Pin 24 When the Power Button is ope...

Страница 49: ...with Panel Label 0 74V 5V 0V M5V 10 0 74V 5V 0V M5V 9 n c n c n c n c 8 Open 65V 0V Va 7 Open 65V 0V Va 6 Gnd Gnd Gnd Gnd 5 Gnd Gnd Gnd Gnd 4 n c n c n c n c 3 Open 195V 0V Vs 2 Open 195V 0V Vs 1 Diode Mode Connected Run STBY Label Pin SC101 AC INPUT Standby Run Diode Mode Connector Pin Number SC101 120VAC 120VAC Open 1 and 3 Diode Mode Readings taken with all connectors Disconnected Black lead on...

Страница 50: ...ge will vary in accordance with Panel Label 0 74V 5V 0V M5V 10 0 74V 5V 0V M5V 9 Gnd n c n c n c 8 Open 65V 0V Va 7 Open 65V 0V Va 6 Gnd Gnd Gnd Gnd 5 Gnd Gnd Gnd Gnd 4 n c n c n c n c 3 Open 195V 0V Vs 2 Open 195V 0V Vs 1 Diode Mode Connected Run STBY Label Pin Diode Mode Readings taken with all connectors Disconnected Unless specified Black lead on Gnd DVM in Diode Mode P812 CONNECTOR Power Supp...

Страница 51: ... Gnd Gnd Gnd Gnd 7 Gnd Gnd Gnd Gnd 6 Gnd Gnd Gnd Gnd 5 0 75V 5V 0V M5V 4 0 75V 5V 0V M5V 3 0 75V 5V 0V M5V 2 0 75V 5V 0V M5V 1 Diode Mode Connected Run STBY Label Pin Diode Mode Readings taken with all connectors Disconnected Black lead on Gnd DVM in Diode Mode P813 CONNECTOR Power Supply PWB to Control PWB P200 1 NOTE The Black wire on P813 Connector is not pin 1 P813 ...

Страница 52: ...m development signals from the Control board The Y waveform development signals from the Control board The Y SUS SUS also develops additional voltages via internal switch mode power also develops additional voltages via internal switch mode power supplies 15V floating ground 5V VSC voltages and supplies 15V floating ground 5V VSC voltages and Vy voltages Vy voltages This board has 4 adjustments 2 ...

Страница 53: ...S P101 To Control P309 Vy TP R305 FS302 Vs 3A 250V FS303 Va 10A 125V n c Logic Signals in Top 6 pins 17 8V out Set Dn1 Adj VR601 Vy Adj VR902 Set Up1 Adj VR602 P307 To Left X Pins 1 4 Va To Y Drive Upper To Y Drive Lower Vsc TP R306 C324 lower leg Y SUS drive TP 400V p p C323 upper leg Not for Adjustment of the Y Drive signal used to test Y SUS FS301 M5V 4A 125V ...

Страница 54: ...nel Y SUS PWB LAYOUT 50PS60 50H3 Panel Y SUS PWB LAYOUT 53 R305 VY TP VR901 VSCAN P309 VR601 SET dn1 VR602 SET up1 R306 VSC TP P312 P311 P313 P314 P101 P302 FS302 Vs FS303 Va FS901 M5V P307 VR902 DD_Var Vy FS301 M5V ...

Страница 55: ...fore making adjustments Vs and Va adjustments complete 2 Place unit into White Wash from the Customer s Menu for all adjustments 3 Be sure to use all adjustment values as indicated on your panel s voltage label in the upper right of the panel Example shown above 5 Adjust VSC using VR901 Measured across VSC TPs R306 Match your specific Panel s Voltage label 1V Location Bottom Center Vy VR902 VSC VR...

Страница 56: ...he picture below External Triggering of the Oscilloscope allows for a Stable Display of both the Y and Z SUS Output Waveforms regardless of how distorted the waveforms may be allowing the wave shape and phasing to be easily examined Observing the Y and Z Observing the Y and Z SUS SUS Output Waveforms Output Waveforms External Trigger Source 55 T Trigger Level Adjust VS_DA Test Point Located on the...

Страница 57: ...rm above observed 100uSec div e Highlighted signal from waveforms above observed 50uS div Either test point is OK to use NOTE The Waveform Test Points are fragile If by accident the land is torn and the run lifted make sure there are no lines left to right in the screen picture 50uS 510V p p Y Drive PWB Test Points Middle of bottom Y Drive Board 78V RMS ...

Страница 58: ... Waveform Fig 2 At 100us per div the signal for Set Up Down adjustment is now easier to recognize It is outlined within the Waveform Fig 3 At 50uSec per division the adjustment for SET UP or SET DOWN can be made Note When actually performing the adjustments The portion of the waveform being adjusted can be Zoomed in on by increasing the speed of the scope FIG1 2mS FIG2 100uS Outlined Area Blanking...

Страница 59: ... observing only the peak of the waveform turn the pot CW which will cause the peak to dome to the left of the flat portion CCW will cause the peak to decrease in amplitude Turn CW until the dome appears then back off CCW 4 SET DOWN ADJUSTMENT VR601 Adjust VR601 while observing area B and set to 160uSec 5uSec 1 Pre Heat unit for at least 10 Minutes before making adjustments Vs Va Vy and VSC adjustm...

Страница 60: ...Low All Waveforms taken at 50V per div 50uSec per div Ramp Vset UP too high Ramp Vset UP too low Vset DN too high Vset DN too low NOTE If Vset DN too high this set will go to excessive bright then shutdown To correct remove the LVDS from control PWB and make necessary adjustments ...

Страница 61: ...enerated by on board SMPS Distribute VA to X Boards Receive M5V Va Vs from SMPS FETs amplify Sustain Waveform Generates Floating Ground 5V by on board SMPS To Y Drive Boards Generates Vsc and Vy from Vs or M5V by internal SMPS Also controls Set Up Down via adj Logic signals needed to generate drive waveform M5V Vs Va from SPS Y Scan Signal to Y Drive Board ...

Страница 62: ...V Gnd Open Open Gnd Gnd n c Open Open Diode Mode Disconnected 0 74V 5V M5V 10 0 74V 5V M5V 9 Gnd n c n c 8 Open 65V Va 7 Open 65V Va 6 Gnd Gnd Gnd 5 Gnd Gnd Gnd 4 n c n c n c 3 Open 195V Vs 2 Open 195V Vs 1 Diode Mode Connected Run Label Pin P302 CONNECTOR Y SUS to Power Supply PWB P811 Note This voltage will vary in accordance with Panel Label Voltage and Diode Mode Measurements Note There are no...

Страница 63: ...rmation SUS P307 to Left X Drive P121 Plug Information Gnd Gnd Gnd 7 Gnd Gnd Gnd 6 NC NC NC 5 Open 65V VA 4 Open 65V VA 3 Open 65V VA 2 Open 65V VA 1 Diode Mode Run Label Pin Note This voltage will vary in accordance with Panel Label P307 CONNECTOR Y SUS PWB to X Drive Left P121 Voltage and Diode Mode Measurements Note There are no Stand By Voltages to this board 1 P307 ...

Страница 64: ...d 0 1V Gnd 4 9V Gnd 3 48V 0V Gnd 1 4V Gnd 0 7V Gnd 0 2V Gnd 0 1V Gnd 0 1 0 4V Gnd 4V Gnd 1 15V 2 15V 3 15V 4 15V 5 15V 6 15V 7 NC 8 OC2_ODD 9 GND 10 CLK 11 GND 12 DATA_ODD 13 GND 14 DATA_EVEN 15 16 17 STB 18 GND 19 20 GND GND OC2_EVEN 21 22 GND GND 23 OC1_EVEN 24 GND 25 OC1_ODD GND 26 27 28 29 30 31 32 33 34 35 41 42 43 44 45 46 47 48 49 50 36 37 38 39 40 15V 15V 15V 15V 15V 15V NC OC2_ODD GND CLK...

Страница 65: ... Pin 1 44V 0 1V ER_DN 45 Gnd Gnd GND 46 1 44V 0 1 0 4V SUS_UP 47 Gnd Gnd GND 48 1 44V 4V SUS_DN 49 Gnd Gnd GND 50 Gnd Gnd GND 44 1 44V 0 2V ER_UP 43 Gnd Gnd GND 42 1 44V 0 7V DELTA_VY2 41 Gnd Gnd GND 40 1 44V 1 4V PASS_TOP 39 Gnd Gnd GND 38 1 44V 0V CTRL_OE 37 1 44V 3 48V SET_DN1 36 Gnd Gnd GND 35 1 44V 4 9V SET_DN2 34 Gnd Gnd GND 33 1 44V 0 1V SET_UP1 32 Gnd Gnd GND 31 1 44V 0V SET_UP2 30 Gnd Gnd...

Страница 66: ...Digital Volt Meter is in Diode Mode 1 1 Red Lead 0 6V Red Lead 0 6V Black Lead 0 5V Black Lead 0 5V Note All connectors going to the Y Note All connectors going to the Y SUS board are fragile SUS board are fragile P114 P116 P214 and P216 P114 P116 P214 and P216 Removing and reinserting the drive board or the Y Removing and reinserting the drive board or the Y SUS can SUS can cause an intermittent ...

Страница 67: ...Run Label Pin Note All Voltage Measurement taken from Floating Ground 2 7V 140V VScan 11 12 n c n c n c 10 1 3V 5V 5VFG 8 9 FGnd FGnd FGnd 1 7 Diode Mode Run Label Pin Voltage and Diode Check Measurements This board has no Stand By voltage All Pins are Floating Ground P312 CONNECTOR Y SUS to Upper Y Drive P114 All Pins are Floating Ground P314 CONNECTOR Y SUS to Lower Y Drive P216 P313 CONNECTOR Y...

Страница 68: ...080 horizontal electrodes These boards have no DC adjustments These boards receives their main B from the Y These boards receives their main B from the Y SUS PWB SUS PWB Floating ground 5V from the Switched Mode Power Floating ground 5V from the Switched Mode Power Supply on the Y Supply on the Y SUS board SUS board Must be measured from the Floating Ground Must be measured from the Floating Groun...

Страница 69: ...e All connectors going to the Y going to the Y SUS SUS board are fragile board are fragile P114 P116 P114 P116 P214 and P216 P214 and P216 Removing and Removing and reinserting the drive reinserting the drive board or the Y board or the Y SUS can SUS can cause an intermittent or cause an intermittent or open connection open connection Investigate these Investigate these connectors carefully connec...

Страница 70: ... signals for lower drive board lower drive board Y Drive V Scan signal in Y Drive V Scan signal in on bottom two pins 1 and 2 on bottom two pins 1 and 2 Y Drive V Scan signal Y Drive V Scan signal in on top two pins 11 and 12 in on top two pins 11 and 12 All Pins Floating Ground All Pins Floating Ground All Pins Floating Ground All Pins Floating Ground Floating Ground 5V pins 8 and 9 Floating Grou...

Страница 71: ...ote When removing either Note When removing either Y Y Drive board these Drive board these Chocolate pieces will Chocolate pieces will Stick Stick making the board feel as making the board feel as thought its still attached thought its still attached Note the PWB stand Note the PWB stand off The off The top of the stand top of the stand off has a off has a collar which enters the PWB collar which ...

Страница 72: ... under either end object under either end of the FPC and lift up of the FPC and lift up gently releasing the tab gently releasing the tab Tab Tab Tab Tab Gently pull the FPC Gently pull the FPC from the connector from the connector When reinserting the When reinserting the FPC make certain that FPC make certain that both tabs are seated both tabs are seated correctly before correctly before attemp...

Страница 73: ...ating Gnd Checked from Floating Gnd Y Drive Upper P116 Y Drive Upper P116 Y Drive Upper P214 Y Drive Upper P214 Floating Floating Ground Ground 5V FG 5V FG VSCAN VSCAN n c n c Floating Floating Ground Ground 5V FG 5V FG VSCAN VSCAN n c n c BL 0 60V BL 0 60V RL RL Open Open 5V FG 5V FG VSCAN VSCAN Diode Check means the Digital Volt Meter is in Diode Mode all connectors to PWB are removed 1 1 These ...

Страница 74: ...Run Label Pin Note All Voltage Measurement taken from Floating Ground Open 140V VScan 11 12 n c n c n c 10 Open 5V 5VFG 8 9 FGnd FGnd FGnd 1 7 Diode Mode Run Label Pin Voltage and Diode Check Measurements This board has no Stand By voltage All Pins are Floating Ground P114 CONNECTOR Upper Y Drive to Y SUS P312 All Pins are Floating Ground P216 CONNECTOR Lower Y Drive to Y SUS P314 P214 CONNECTOR L...

Страница 75: ... RL Red Lead on test point black lead on FG BL 0 76V BL 0 76V RL RL Open Open BL 0 87V BL 0 87V BL 0 87V BL 0 87V BL 0 85V BL 0 85V BL 0 85V BL 0 85V BL 0 87V BL 0 87V BL 0 84V BL 0 84V BL 0 84V BL 0 84V BL 0 87V BL 0 87V BL 0 87V BL 0 87V BL 0 87V BL 0 87V BL 0 85V BL 0 85V BL 0 85V BL 0 85V BL 0 84V BL 0 84V BL 0 87V BL 0 87V All readings Open with All readings Open with RL RL All All readings r...

Страница 76: ...round 5V Floating Ground BL 0 6V BL 0 6V RL RL Open Open Diode Mode Check All checks from Floating Gnd BL Black Lead on test point red lead on FG RL Red Lead on test point black lead on FG BL 0 76V BL 0 76V RL RL Open Open BL 0 84V BL 0 84V BL 0 84V BL 0 84V BL 0 87V BL 0 87V BL 0 87V BL 0 87V BL 0 84V BL 0 84V BL 0 84V BL 0 84V BL 0 87V BL 0 87V BL 0 87V BL 0 87V All readings Open with All readin...

Страница 77: ...d on the left are actually the bottom connections on the Flexible bottom connections on the Flexible Ribbon Cable to the Panel FPC The Ribbon Cable to the Panel FPC The top connections to the FPC are on top top connections to the FPC are on top of the board as shown on the right of the board as shown on the right Back Side of Y Drive board Back Side of Y Drive board Front Side of Y Drive board Fro...

Страница 78: ...Erase Sustain Signals Sustain Signals This board has one DC adjustment Z This board has one DC adjustment Z Bias Bias This Board Receives its operational B from the This Board Receives its operational B from the VS from the Switched Mode Power Supply VS from the Switched Mode Power Supply M5V from the Switched Mode Power Supply M5V from the Switched Mode Power Supply 15V from the Control board but...

Страница 79: ...ayout Z Bias Adj VR201 P312 To SMPS P103 To Z Sub Z Bias TP R457 Top Side to Chassis Gnd P301 nc P100 To Control VS VS NC GND GND VA VA NC M5V M5V Pins 1 4 17 8V FS102 Vs 3A 250V FS100 5V 4A 125V P104 To Panel P102 To Panel Z Drive TP FL103 No IPMs No IPMs Z SUS ...

Страница 80: ... for all adjustments 3 Be sure to use all adjustment values as indicated on the panel voltage label in the upper right hand corner of the panel Example above PROCEDURE See preceding page for locations 4 Place DC Volt meter on VZB TP Top of R457 to Chassis Gnd 5 Adjust VZB Z Bias VR201 to match your specific Panel s voltage label Z Bias ADJ VR201 Z Bias TP Top of R457 to Chassis Gnd Lower Right Sid...

Страница 81: ... Y SUS and Z SUS From the Waveform it can be seen that the timing of the Z SUS must align to the Y SUS for the panel to work correctly If the timing is out of sync the Control board is at fault Note While making adjustments to the Ramp Up and or Rame Down portion of the Y Drive signal the Control board makes the same adjustments to the Z SUS waveform ...

Страница 82: ...int FL103 5 Confirm there is an Output from the Z SUS PWB approximate 230V p p in this test This test confirms that the Power Supply Control Board and Z SUS boards are all working OK Light bulbs must remain connected to the Vs from the Power Supply to Gnd Failure to do so will cause the 17V to fluxuate and cause the Z SUS to shutdown 260V p p Normal 41V RMS Note If the Y SUS is defective but is st...

Страница 83: ...l connectors Disconnected unless specified Black lead on Gnd DVM in Diode Mode P101 CONNECTOR Z SUS PWB to Power Supply P812 Open Open Gnd Open Open Gnd Gnd n c Open Open Diode Mode Disconnected 0 74V 5V M5V 10 0 74V 5V M5V 9 Gnd n c n c 8 Open 65V Va 7 Open 65V Va 6 Gnd Gnd Gnd 5 Gnd Gnd Gnd 4 n c n c n c 3 Open 195V Vs 2 Open 195V Vs 1 Diode Mode Connected Run Label Pin Note This voltage will va...

Страница 84: ...Open 0V ER UP 6 Open 0V CTRL OE 5 1 9V 17 8V 15V 4 1 9V 17 8V 15V 3 1 9V 17 8V 15V 2 1 9V 17 8V 15V 1 Diode Mode Run Label Pin Diode Mode Readings taken with all connectors Disconnected Black lead on Gnd DVM in Diode Mode P100 CONNECTOR Z SUS PWB to Control Board P2 1 Note Black wire is NOT pin 1 Voltage and Diode Mode Measurements for the Z SUS PWB This board has no Stand By voltages ...

Страница 85: ...n for testing purposes This can be done without the Main board oard delivering LVDS video to confirm if the problem lies with the Ma delivering LVDS video to confirm if the problem lies with the Main board or in board or the panel and its boards the panel and its boards Note In this set If P814 is removed pull the LVDS cable from Note In this set If P814 is removed pull the LVDS cable from the Con...

Страница 86: ...V P2 To Z SUS IC7 IC1 P101 To Left X Top 6 pins 17 8V in P102 To Center X P104 To Right X P5 LVDS P200 To SMPS P202 n c IC16 IC304 P6 Auto Gen Short 1 2 IC12 Pins 1 4 5V P3 n c X2 50Mhz FL4 5V FL5 5V D7 Data D6 Temp 1 1 1 3 3V FOR TCPs Pins 1 4 To each X Board Pins 1 4 3 3V Pins 1 4 3 3V Pins 1 4 3 3V ...

Страница 87: ...5V FL5 5V The two EMI Filters just below P200 are surface mount mini devices which shunt high frequencies to ground They have 4 pins The top and bottom are the B route the two side solder points are Chassis Gnd Gnd 5V Gnd 5V FL4 or FL5 5V EMI filters P200 1 NOTE The Black wire on P200 Connector is not pin 1 ...

Страница 88: ... missing the Control board can still be tested If the ll be tested If the SMPS is developing STBY 5V the STBY 5V can be jumped to any 5V SMPS is developing STBY 5V the STBY 5V can be jumped to any 5V point on the point on the Control board Confirm that LED D6 and LED D7 are illuminated or Control board Confirm that LED D6 and LED D7 are illuminated or blinking if they blinking if they are the boar...

Страница 89: ...88 Fall 2009 1080P Plasma 50PS60 Control Board Crystal X2 Check Control Board Crystal X2 Check 50Mhz 4V P P Use bottom left leg of Crystal ...

Страница 90: ...oard supplies Video Signals to the TCP Tape Carrier Package ICs If there is a bar defect on the screen it could be a Control Board problem MCM 16 bit 256 Lines output Total Control Board to X Board Address Signal Flow IC1 Control PWB Signal Block Control PWB Signal Block MCM IC1 DRAM 2 Buffers per TCP CONTROL PWB X DRIVE PWB PANEL 128 Lines per Buffer EEPROM 23 Total TCPs 5888 Line Outputs RGB per...

Страница 91: ...lug are too close together for safe readings use Test Points To remove the LVDS cable press the two locking tabs inward then rock the connector side to side while pulling out on the connector If a video problem is encountered to eliminate all Panel boards remove the LVDS cable and then jump the Auto Gen connector pin 1 and 2 If the picture is OK the Power Supply Y SUS Z SUS Y Drives X Boards TCPs ...

Страница 92: ... 3V 0V 2 Diode Mode Run Pin 15 15 5 5 2 2 Open 3 3V 42 Open 3 3V 40 Open 3 3V 41 Open 1 1V 38 Open 1 2V 39 1 3V 1 1V 35 1 3V 1 2V 36 Open 0 58V 43 1 3V 1 2V 33 1 3V 1 1V 32 1 3V 1 1V 31 1 3V 1 2V 30 1 3V 1 1V 29 1 3V 1 2V 28 1 3V 1 2V 27 1 3V 1 1V 26 1 3V 1 2V 25 Diode Mode Run Pin P5 Connector Control Board to Main PWB P1003 Note There are no voltages in Stand By mode Gnd Gnd P5 20 20 25 25 30 30...

Страница 93: ... mode 1 32V 17 8V 15V 10 1 32V 17 8V 15V 11 1 32V 17 8V 15V 12 1 32V 17 8V 15V 9 1 4V 0V CTRL OE 8 1 48V 0V ER UP 7 1 48V 0V ER DN 6 Gnd Gnd Gnd 5 1 48V 3V Z Bias 4 1 49V Gnd Gnd 3 1 49V 0 4V SUS UP 2 1 49V 0 7V SUS DN 1 Diode Mode Run Label Pin Diode Mode Readings taken with all connectors Disconnected Black lead on Gnd DVM in Diode Mode P2 CONNECTOR Control Board to Z SUS PWB P100 1 1 P2 Label P...

Страница 94: ...d 6 Gnd Gnd Gnd 5 0 75V 5V M5V 4 0 75V 5V M5V 3 0 75V 5V M5V 2 0 75V 5V M5V 1 Diode Mode Connected Run Label Pin Diode Mode Readings taken with all connectors Disconnected Unless Specified Black lead on Gnd DVM in Diode Mode P200 CONNECTOR Control PWB to Power Supply PWB P813 1 Voltage and Diode Mode Measurements for the Control PWB Note There are no voltages in Stand By mode NOTE The Black wire o...

Страница 95: ...8 39 40 15V 15V 15V 15V 15V 15V NC OC2_ODD GND CLK GND DATA_ODD GND DATA_EVEN STB GND GND GND OC2_EVEN GND GND OC1_EVEN DELTA_VY_ON_OFF GND GND DELTA_VY1 GND SET_UP2 GND SET_UP1 GND SET_DN2 GND DELTA_VY2 GND ER_UP GND ER_DN GND SUS_UP GND SUS_DN GND SET_DN1 CTRL_OE GND PASS_TOP GND OC1_ODD GND P101 Y SUS PWB P1 Control PWB 17 8V 17 8V 17 8V 17 8V 17 8V 17 8V NC 2 84V Gnd 1 87V Gnd 0 3V Gnd 0V Gnd ...

Страница 96: ...e Run Label Pin 1 44V 0 1V ER_DN 45 Gnd Gnd GND 46 1 44V 0 1 0 4V SUS_UP 47 Gnd Gnd GND 48 1 44V 4V SUS_DN 49 Gnd Gnd GND 50 Gnd Gnd GND 44 1 44V 0 2V ER_UP 43 Gnd Gnd GND 42 1 44V 0 7V DELTA_VY2 41 Gnd Gnd GND 40 1 44V 1 4V PASS_TOP 39 Gnd Gnd GND 38 1 44V 0V CTRL_OE 37 1 44V 3 48V SET_DN1 36 Gnd Gnd GND 35 1 44V 4 9V SET_DN2 34 Gnd Gnd GND 33 1 44V 0 1V SET_UP1 32 Gnd Gnd GND 31 1 44V 0V SET_UP2...

Страница 97: ...7 0 97V 1 0V 6 0 67V 3 3V 1 4 Diode Mode Run Pin Leave Connector P101 Connected to the X Board P110 Pins with no TP are Gnd 1 4 1 4 6 6 11 11 20 20 31 31 40 40 56 56 0 97V 1 0V 53 0 97V 1 27V 54 1 2V 1 87V 56 1 2V 1 87V 57 1 2V 3 22V 58 1 1V 0 49V 59 0 97V 1 27V 52 0 97V 1 27V 50 0 97V 1 0V 51 0 97V 1 27V 47 0 97V 1 0V 49 0 97V 1 27V 45 0 97V 1 0V 46 1 1V 0 49V 60 0 97V 1 0V 44 0 97V 1 27V 42 0 97...

Страница 98: ... TP are Gnd 0 97V 1 27V 21 0 97V 1 0V 22 0 97V 1 0V 33 0 97V 1 27V 34 0 97V 1 0V 36 0 97V 1 27V 31 0 97V 1 0V 30 0 97V 1 27V 28 0 97V 1 0V 27 0 97V 1 27V 25 0 97V 1 0V 24 Diode Mode Run Pin 0 97V 1 27V 37 0 97V 1 0V 39 0 97V 1 27V 40 0 97V 1 0V 42 0 97V 1 27V 46 0 97V 1 0V 48 0 97V 1 27V 49 0 97V 1 0V 51 0 97V 1 27V 52 0 97V 1 0V 45 0 97V 1 27V 43 Diode Mode Run Pin 0 97V 1 0V 53 0 97V 1 27V 54 1 ...

Страница 99: ...0V 6 0 67V 3 3V 1 4 Diode Mode Run Pin 1 4 1 4 6 6 10 10 20 20 40 40 56 56 Leave Connector P104 Connected to the X Board P310 Note There are no voltages in Stand By mode Pins with no TP are Gnd 60 60 0 98V 1 0V 53 0 98V 1 27V 54 0 49V 1 87V 56 0 49V 1 87V 57 3 22V 3 22V 58 1 87V 0 49V 59 0 98V 1 27V 52 0 98V 1 27V 50 0 98V 1 0V 51 0 98V 1 27V 47 0 98V 1 0V 49 0 98V 1 27V 45 0 98V 1 0V 46 1 87V 0 4...

Страница 100: ...ds are the attachment points for these FPCs points for these FPCs These boards have no adjustment These boards have no adjustment These boards receive their main B from the These boards receive their main B from the Originally developed on the Switched Mode Power Supply Originally developed on the Switched Mode Power Supply Va Voltage for Address is routed through the Y Va Voltage for Address is r...

Страница 101: ...the Center X sends Va to the Righ Va to the Center X and then the Center X sends Va to the Right X t X They route the Logic Color signals from the Control board They route the Logic Color signals from the Control board to all of the Taped Carrier Packages TCPs Including to all of the Taped Carrier Packages TCPs Including VPP VPP which is which is generated on each of the 3 X boards generated on ea...

Страница 102: ...have one TCPs have one heat sink across heat sink across all 23 TCPs as all 23 TCPs as indicated by the indicated by the arrow arrow NEVER run the television with this heat sink removed NEVER run the television with this heat sink removed Damage to the TCPs will occur and cause a defective panel Damage to the TCPs will occur and cause a defective panel ...

Страница 103: ...ards have two similar circuit layouts for the connections going to the TCPs as shown below On any Va 0 54V TCPs connected On any Va 0 84V TCPs disconnected On 3 3V 0 42V On any VPP 0 42V On any Gnd On the below On any Va Open On 3 3V 0 62V On any VPP Open On any Gnd On the below Readings given with TCPs connected unless specified ...

Страница 104: ...r Package Control Board Back side of TCP Ribbon TCP Taped Carrier Package Flexible Cable Y SUS Board Va Logic Connector X Drive Board Heat Sink 128 lines 128 lines 256 total lines This shows the layout of the bottom ribbon cables connecting to the Panel s Vertical electrodes Address Bus Note that each ribbon cable has a solid state device called a TCP attached 256 Vertical Electrodes Chocolate ...

Страница 105: ... any TCPs being discolored Ribbon Damage Cracks folds Pinches scratches etc On any Gnd On any Va 0 58V On 3 3V 0 72V On any VPP 0 58V Reverse leads reads Open 10 15 20 25 30 35 40 45 50 1 Va Va Gnd Gnd VPP VPP 3 3V Gnd Must be checked on flexible cable On the below 5 ...

Страница 106: ... X PWB P310 Center X PWB P210 For Connectors P101 P102 and P104 on the Control board see Control board section 3 3V for TCPs IC304 on Control Board All Connectors to All TCPs look very similar for the 3 3V test point The upside down L trace at pins 34 and 35 of each connector Example here from P204 You can only check for continuity you can not run the set with heat sink removed Red Lead On 3 3V 0 ...

Страница 107: ... to shutdown b Generate abnormal vertical bars c Cause the entire area driven by the TCP to be All White d Cause the entire area driven by the TCP to be All Black e Cause a Single Line defect Warning DO NOT attempt to run the set with the Heat Sink over the TCPs removed After a very short time these ICs will begin to self destruct due to overheating ...

Страница 108: ... Y Left X Drive P121 Connector to Y SUS P307 Information SUS P307 Information Gnd Gnd Gnd 7 Gnd Gnd Gnd 6 NC NC NC 5 Open 65V VA 4 Open 65V VA 3 Open 65V VA 2 Open 65V VA 1 Diode Mode Run Label Pin Note This voltage will vary in accordance with Panel Label P121 CONNECTOR X Drive Left PWB to Y SUS P307 Voltage and Diode Mode Measurement No Stand By Voltages 1 ...

Страница 109: ...n Pin Leave Connector P310 Connected to the Control Board P104 0 67V 3 3V 57 60 0 97V 1 0V 55 0 97V 1 27V 54 0 97V 1 0V 53 0 97V 1 27V 52 0 97V 1 0V 50 0 97V 1 27V 49 0 97V 1 0V 48 0 97V 1 27V 47 0 97V 1 0V 46 0 97V 1 27V 45 0 97V 1 0V 43 0 97V 1 27V 42 0 97V 1 0V 41 0 97V 1 27V 40 0 97V 1 0V 38 0 97V 1 27V 37 0 97V 1 0V 35 0 97V 1 27V 34 0 97V 1 0V 33 0 97V 1 27V 32 0 97V 1 0V 30 0 97V 1 27V 29 D...

Страница 110: ... 0 49V 1 Diode Mode Run Pin Leave Connector P210 Connected to the Control Board P102 0 67V 3 3V 57 60 0 97V 1 0V 55 0 97V 1 27V 54 0 97V 1 0V 53 0 97V 1 27V 52 0 97V 1 0V 50 0 97V 1 27V 49 0 97V 1 0V 48 0 97V 1 27V 47 0 97V 1 0V 46 0 97V 1 27V 45 0 97V 1 0V 43 0 97V 1 27V 42 0 97V 1 0V 41 0 97V 1 27V 40 0 97V 1 0V 38 0 97V 1 27V 37 0 97V 1 0V 35 0 97V 1 27V 34 0 97V 1 0V 33 0 97V 1 27V 32 0 97V 1 ...

Страница 111: ...7 0 97V 1 27V 16 0 97V 1 0V 15 0 97V 1 27V 14 0 97V 1 0V 12 0 97V 1 27V 11 0 97V 1 0V 10 0 97V 1 27V 9 0 97V 1 0V 8 0 97V 1 27V 7 1 2V 1 87V 5 1 2 1 87V 4 1 2V 3 22V 3 1 1V 0 49V 2 1 1V 0 49V 1 Diode Mode Run Pin 0 67V 3 3V 57 60 0 97V 1 0V 55 0 97V 1 27V 54 0 97V 1 0V 53 0 97V 1 27V 52 0 97V 1 0V 50 0 97V 1 27V 49 0 97V 1 0V 48 0 97V 1 27V 47 0 97V 1 0V 46 0 97V 1 27V 45 0 97V 1 0V 43 0 97V 1 27V...

Страница 112: ...enter X Right X P221 P320 16 18 16 18 nc nc On any Va 0 54V TCPs connected On any Va 0 84V TCPs disconnected On any Gnd On any Va Open TCPs connected or disconnected On any Gnd Note Va voltage will vary by panel check your specific panel Note Va voltage will vary by panel check your specific panel s voltage label s voltage label 1 15 1 15 Gnd Gnd 16 30 16 30 Gnd Gnd 13 15 13 15 nc nc 1 12 1 12 Va ...

Страница 113: ... board via the LVDS cable The main tuner r VSB VSB 8VSB and QAM is located on the main board This board is also w 8VSB and QAM is located on the main board This board is also where the here the television television s software upgrades are accomplished through the USB input s software upgrades are accomplished through the USB input This board has no adjustment This board has no adjustment The Main...

Страница 114: ...upply HDMI inputs RS232 SPK Out To Front Controls Main PWB Layout and Identification Main PWB Layout and Identification X1 12 Mhz Audio Audio RGB DVI USB HDMI 3 Wired Remote A V Composite inputs P1003 Pin 1 LD501 Pin 19 S In RF Optical Audio IC801 IC504 IC952 IC804 IC1 Micro Tuner X501 25 Mhz IC302 IC503 IC1001 IC203 IC805 ...

Страница 115: ...ideo 5V 4 DIF 12 DIF 13 15 5V D502 IC952 IC804 Components that are Grayed out are on the back IC302 IC503 X1 X501 IC201 P1006 P1003 LVDS P1001 P1005 IC1 IC801 IC504 HDMI USB IC805 A 5V A 0V C 4 7V D303 Q1002 IC203 D805 D804 Q801 K A ZD601 IC202 IC204 Q301 1 5 1V 2 Gnd 3 3 2V 4 0V 5 0V 6 5 1V IC804 USB A C A A C A A C A A C A B C E B C E ...

Страница 116: ...0PS60 Main PWB Back Side Regulator Checks Main PWB Back Side Regulator Checks IC305 IC502 IC304 IC201 IC601 IC803 IC802 IC602 D951 D801 Q951 Q502 Q503 Q504 Q501 IC301 Q303 Q302 Q1001 D892 D802 D890 IC202 IC505 D1001 D628 Q602 D627 ...

Страница 117: ...04 HDMI USB IC805 A 5V A 0V C 4 7V D303 Q1002 Q303 IC203 D805 D804 Q801 K A ZD601 D951 IC202 IC304 IC201 2 1 3 2 D801 B C E B C E B C E Q951 Q891 Q503 C A D1001 Q302 Q1001 IC601 A K A D802 IC803 IC802 Q892 A K A D628 Q601 D627 A K A B C E Q890 B C E B C E IC602 A K A Q502 B C E IC204 IC301 Q301 B C E B C E B C E B C E B C E A C A A C A A C A A C A A C A D633 2 3 1 1 5 1V 2 Gnd 3 3 2V 4 0V 5 0V 6 5...

Страница 118: ... Switch Q601 RS232 TX 8 3 28V In 0V 3 3V 12 3 3V 8 4 5V B 0V 0 6V Pin Buffer D801 EDID B D802 HDMI CEC Out 0V 1 2V 13 0V E 0V B 0 6V Pin Pin B IC301 3 3V VST 14 5 4V C 3 3V 0V E Gnd A 4 6V A 0V Pin 15 0V On Digital CH Off Analog C 0V C 4 9V C 3 17V 1 Gnd 16 3 3V A 5 1V A 3 27V 2 3 3V D1001 IC1001 D951 HDMI4 PWR D627 RS232 TX Noise D628 RS232 RX Noise D633 RGB B 3 5 0V Pin Reset Limit Pin Pin Suppr...

Страница 119: ...ns Exposed TDVW Main PWB Tuner Check Shield Off Pins Exposed TDVW H103F H103F Video Pin 19 Video Test Point SIF Pin 16 Audio Test Point Pin 4 Tuner B 5V Pin 1 n c DIG IF Pin 13 DIG IF Pin 12 Digital Channel Test Point Data Pin 9 Clock Pin 8 TU501 MAIN PWB Tuner Location ...

Страница 120: ... Tuner Location Pin 19 Video Signal Pin 16 SIF Signal USING COLOR BAR SIGNAL INPUT Pin 12 and Pin 13 Dig IF Signal Note 8VSB or QAM Only Dig IF Signal only when receiving a Digital Channel Pin 1 Note NTSC Only Video Out Signal only when receiving an analog Channel 100mV 1uSec 700mVp p 450mVp p 200mV 2uSec 2 24Vp p 500mV 10uSec ...

Страница 121: ...lasma 50PS60 MAIN PWB Main PWB Crystal X1 and X501 Check Main PWB Crystal X1 and X501 Check Crystal Location X1 1 5V DC 2 4V p p 12Mhz X501 1 5V DC 110mV p p 25Mhz X1 Runs all the time X1 X501 X501 Runs only when set is on ...

Страница 122: ... Since the locking tab is very thin and fragile its best to lift Since the locking tab is very thin and fragile its best to lift slightly one end then work across the locking tab slightly one end then work across the locking tab a little at a time back and forth until the tab is released a little at a time back and forth until the tab is released 2 Pull the Cable from the Connector 2 Pull the Cabl...

Страница 123: ...gnal Test Points Main PWB P1003 LVDS Video Signal Test Points P1003 Location Pin c 39 39 11 11 36 36 12 12 40 40 30 30 17 17 13 13 14 14 16 16 19 19 38 38 37 37 35 35 33 33 32 32 29 29 28 28 27 27 24 24 23 23 20 20 22 22 21 21 LVDS Waveform TPs P1003 Location TP Locations ...

Страница 124: ...PS60 Main PWB P203 LVDS Video Signal Check Main PWB P203 LVDS Video Signal Check Pins 11 12 16 and 17 Pins 11 12 16 and 17 SMTP Color Bar Signal Input Waveform TP see 1 page back Pin 17 R1020 Pin 16 R1019 Pin 12 R1024 Pin 11 R1023 ...

Страница 125: ...PS60 Main PWB P203 LVDS Video Signal Check Main PWB P203 LVDS Video Signal Check Pins 21 22 27 and 28 Pins 21 22 27 and 28 SMTP Color Bar Signal Input Waveform TP see 2 pages back Pin 28 R1012 Pin 27 R1011 Pin 22 R1016 Pin 21 R1015 ...

Страница 126: ...16 0 94V 0V 0V 14 0 84V 1 29V 0V 13 0 94V 1 19V 0V 12 0 89V 1 46V 0V 11 Diode Mode Run SBY Pin P1003 CONNECTOR Main to P121 Control PWB Open 0 5V 0V ROM RX1 50 ROM TX1 SCL DISP EN SDA RE2 RE2 RD2 RD2 RCLK2 RCLK2 RC2 RC2 RB2 Label Open 3 28V 0V 49 Open 3 28V 0V 48 0 5V 2 8V 0V 47 Open 3 28V 0V 46 0 9V 1 3V 0V 40 0 9V 1 18V 0V 39 0 9V 1 29V 0V 38 0 9V 1 16V 0V 37 0 9V 1 26V 0V 36 0 9V 1 22V 0V 35 0 ...

Страница 127: ...nd Gnd 12 0 6V 5V 0 56V 5V 11 1 25V 5V 5V STBY 5V 10 Gnd Gnd Gnd Gnd 9 2V 3 3V 3V EYEQ SDA 8 2V 3 3V 3V EYEQ SCL 7 Gnd Gnd Gnd Gnd 6 Gnd Open 0V 0V 4 3V Key On 5 1 9V 3 3V 3 3V Key2 4 1 9V 3 3V 3 3V Key1 3 Gnd Gnd Gnd Gnd 2 2V 3 98V 4V IR 1 Diode Check Run STBY Label Pin Stand By 5V Not Used 7 8 Intelligent Sensor Pin 5 Power Key This pin is 0V when the button is locked On In and 5V when locked Of...

Страница 128: ...Diode Mode Run STBY Label Pin P1006 Pin c front Gnd Gnd Gnd Auto Gnd 22 Open 0V 0V Key On 24 Open 3 2V 0V VS On 20 Open 5V 5V AC Det 18 Gnd n c n c n c 16 Gnd Gnd Gnd Gnd 14 1 0 V 5 15V 0V 5V 12 1 0 V 5 15V 0V 5V 10 Gnd Gnd Gnd Gnd 8 Open 12V 0V 12V 6 Gnd Gnd Gnd Gnd 4 Open 17 3V 0V 17V 2 Diode Mode Run STBY Label Pin P1006 CONNECTOR Main to SMPS PWB P813 Pin 24 When the Power Button is opened Pin...

Страница 129: ...peaker Plug P1005 Main PWB Speaker Plug P1005 P1005 Speaker Connector Diode Mode Check with the PWB Disconnected DVM in the Diode mode L L R R Label Open 8 65V 0V 4 Open 8 65V 0V 3 Open 8 65V 0V 2 Open 8 65V 0V 1 Diode Mode Run SBY Pin MAIN PWB Board Location P1005 CONNECTOR Main to Speakers Right Right Left Left ...

Страница 130: ...PWB The front Intelligent Sensor IC communicates with the Main PWB Microprocessor via Clock and Data lines Microprocessor via Clock and Data lines These boards have no adjustments These boards have no adjustments The Front Control Board IR and Intelligent Sensor receives its The Front Control Board IR and Intelligent Sensor receives its main main B from the Main PWB B from the Main PWB STBY 5V fro...

Страница 131: ...ont Control IR and Intelligent Sensor PWB and Power LED PWB Front Control IR and Intelligent Sensor PWB and Power LED PWB Location Location Lower Left Side As viewed from rear Lower Left Side As viewed from rear Power LED PWB Front IR PWB ...

Страница 132: ...131 Fall 2009 1080P Plasma 50PS60 Front Power LED and IR Board Layout Front Power LED and IR Board Layout Power LED PWB Front IR PWB P2 P1 J1 J2 Intelligent Sensor IR Sensor Power LEDs Ground snap ...

Страница 133: ... LED and IR Board Connector Layout Front IR PWB J1 J2 Power LED PWB front P2 P1 Power LEDs Power LED PWB back Green Red Stand By Green Green LEDs turn on when power first turned on Then they get brighter then they go off J1 To Power LED P2 J2 To Side Key P1 P1 To Main PWB P1001 P2 To Ft IR J1 ...

Страница 134: ...133 Fall 2009 1080P Plasma 50PS60 Front IR and Intelligent Sensor Board Layout Front IR and Intelligent Sensor Board Layout Intelligent Sensor U2 Infrared Sensor U1 Ft View U1 ...

Страница 135: ...ED R 13 Gnd Gnd Gnd Gnd 12 0 6V 5V 0 56V 5V 11 1 25V 5V 5V STBY 5V 10 Gnd Gnd Gnd Gnd 9 2V 3 3V 3V EYEQ SDA 8 2V 3 3V 3V EYEQ SCL 7 Gnd Gnd Gnd Gnd 6 Gnd Open 0V 0V 4 3V Key On 5 1 9V 3 3V 3 3V Key2 4 1 9V 3 3V 3 3V Key1 3 Gnd Gnd Gnd Gnd 2 2V 3 98V 4V IR 1 Diode Check Run STBY Label Pin Stand By 5V Not Used 7 8 Intelligent Sensor Pin 5 Power Key This pin is 0V when the button is locked On In and ...

Страница 136: ... Key Voltages and Pin Identification n Gnd Gnd 3 3V 3 3V STBY2 Gnd Gnd Gnd 4 Open Gnd 4 38V 3 Open 3 3V 0V 2 Open 3 3V 0V 1 Diode Mode Run STBY1 Pin J2 CONNECTOR Ft IR PWB to Ft Key STBY2 Power Button IN STBY1 Power Button OUT Diode Mode Readings taken with all connectors Disconnected Black lead on Gnd DVM in Diode Mode For Voltages when each Key is pressed see the Key PWB section ...

Страница 137: ...136 Fall 2009 1080P Plasma 50PS60 Side Key Assembly Side Key Assembly c To Ft IR PWB P1 SW8 SW2 SW6 SW7 SW4 SW5 SW3 SW1 c ...

Страница 138: ...ements with Key pressed P1 Connector Side Key to IR LED Control PWB J2 No Key Pressed Gnd PWR SW KEY 2 KEY 1 Gnd Gnd 3 3V 3 3V STBY2 Open Gnd Gnd 4 Open Gnd 4 38V 3 Open 3 3V 0V 2 Open 3 3V 0V 1 Diode Mode Run STBY1 Pin STBY 1 Power Button Out Diode Mode Readings taken with all connectors Disconnected Black lead on Gnd DVM in Diode Mode Menu Enter Volume Volume KEY 1 56V 2 2V 0 19V 0 86V Pin 2 mea...

Страница 139: ...sheet drawing with This drawing is a quick reference single sheet drawing with references to many of the repair tips voltages and layouts givi references to many of the repair tips voltages and layouts giving ng during the presentation during the presentation The 11 X 17 foldout is best viewed in the Adobe version in which The 11 X 17 foldout is best viewed in the Adobe version in which the the pa...

Страница 140: ... 9 12 Note P2 pins reversed from P100 LOC Source Gate Q901 140V 144V Q903 85V Drain 163V 275V 88V TIP To Test Z SUS Without a good Y SUS 1 Light bulb load Vs 2 Jump the 17V from pin 1 or pin 2 P814 to the Z SUS connector P100 1 5 Note The 17V supply will pulsate 2 to 3 times a second with Vs unloaded 1 2 pins Y Drive Logic Sig P110 3 3V in on Pins 57 60 P210 3 3V in on Pins 57 60 P310 3 3V in on P...

Страница 141: ...EO TEST POINT Pin 21 MAIN PWB VIDEO TEST POINT Pin 12 1V per div 2mSec per div 7 25V p p MAIN PWB VIDEO TEST POINT Pin 11 1V per div 2mSec per div 5 25V p p 1V per div 2mSec per div 6 4V p p 1V per div 2mSec per div 5 25V p p 200mV per div 10uSec per div 900mV p p 1V per div 10uSec per div 6V p p 1V per div 10uSec per div 6 25V p p 1V per div 10uSec per div 7V p p NOTE LVDS P1003 Information There...

Страница 142: ...in Switch Q601 RS232 TX 8 3 28V In 0V 3 3V 12 3 3V 8 4 5V B 0V 0 6V Pin Buffer Out 0V 1 2V 13 0V E 0V B 0 6V IC301 3 3V VST 14 5 4V C 3 3V 0V E Gnd Pin 15 0V On Digital CH Off Analog C 0V 1 Gnd 16 3 3V 2 3 3V D1001 IC1001 D951 HDMI4 PWR D627 RS232 TX Noise D628 RS232 RX Noise D633 RGB B D801 EDID B D802 HDMI CEC 3 5 0V Pin Reset Limit Pin Pin Suppression Pin Suppression Pin Pin Pin B A 3 27V A 5 1...

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