Sony KDE-50XBR950 - 50" Xbr Plasma Wega™ Integrated Television Service Manual Download Page 8

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Horizontal

Horizontal Line

Horizontal Block

One Black Block

One black line appears
on screen.

Go to Page 17
due to check more details.

Two Lines

Two lines appear on
screen.

Go to Page 18
due to check more details.

Half block does not go out.

Go to Page 19
due to check more details.

PDP Malfunction Phenomenon

Summary of Contents for KDE-50XBR950 - 50" Xbr Plasma Wega™ Integrated Television

Page 1: ...PANEL MODULE SERVICE MANUAL PDP Module Name FLAT PANEL COLOR TV KDE50XBR950 KDE P50MRX1D NP50C4MF01 KDE50XBR950 UC Model KDE P50MRX1D UK Model KE P50MRX1 AEP Model KE P50MRX1 ...

Page 2: ...Contents 1 Confirmation Common Manual P1 P20 2 Confirmation Manual P21 P43 3 Repair Manual P44 P62 4 THE PARTS INFORMATION P63 ...

Page 3: ...1 PDP NP series Confirmation Common Manual Ver 1 ...

Page 4: ... power the LED light off after few minutes Go to Page 8 due to check more details The priming does not appear on screen The LED is lighting but not appear pictures Go to Page 10 due to check more details The priming is on screen but not appear pictures Go to Page 10 due to check more details PDP Malfunction Phenomenon ...

Page 5: ...creen at white pattern Go to Page 11 due to check more details Colorful blocks appear on screen at color bar pattern Go to Page 11 due to check more details Abnormal Screen Abnormal Color Abnormal Block PDP Malfunction Phenomenon ...

Page 6: ...tical Line Single Line Two Lines Many Lines Only one line is always lighting Go to Page 12 due to check more details two lines are lighting Go to Page 13 due to check more details Many lines are lighting Go to Page 14 due to check more details ...

Page 7: ...k Blocks One block is always no lighting by one IC Go to Page 15 due to check more details Zebra block appears by one IC Go to Page 16 due to check more details Many block appear by one data relay board Go to Page 16 due to check more details PDP Malfunction Phenomenon ...

Page 8: ...ack Block One black line appears on screen Go to Page 17 due to check more details Two Lines Two lines appear on screen Go to Page 18 due to check more details Half block does not go out Go to Page 19 due to check more details PDP Malfunction Phenomenon ...

Page 9: ...7 PDP Malfunction Phenomenon Lighting strip Check our specification Screen Defect Black strip Check our specification ...

Page 10: ...se is caused by sulfur issue Next parts will be broken Scan Board Common Board High Voltage Board Scan Relay Board CHECK POINT FPC cutting at scan side and TCP side CHECK POINT Panel Grid condition CHECK POINT Fuse on boards Power HIC Between NEGA and POSI on scan relay board REWORK Change the Scan Common board and Scan relay board REWORK We can not rework this REWORK We can not rework this No Pic...

Page 11: ... between Vd line and GND TCP surface In case of shortage between Vd line and GND in data relay board Vd protection will be worked CHECK POINT Shortage between Vd line and GND on data relay board In case of no supply from supply board 5V protection will be worked CHECK POINT Fuse on digital board REWORK We can not rework this REWORK Change the data relay board REWORK Change the digital board No Pic...

Page 12: ... Power HIC CHECK POINT fuse on digital board LVDS cable Next parts will be broken Vp or Vbw line on Scan Board Vsw line on Common Board High Voltage Board REWORK Change the scan or common board High voltage board REWORK Change the digital board Vacuum Tube Cracking With big noise CHECK POINT Vacuum tube REWORK We can not rework this No Picture ...

Page 13: ...ge Circuit Broken CHECK POINT fuse on board Vbw or Vsw line on board Next parts will be broken Vbw line on Scan Board Vsw line on Common Board High Voltage Board REWORK Change the scan or common board High voltage board No Picture ...

Page 14: ... POINT One line is no lighting or lighting at any pure color signal red green blue and black CHECK POINT The surface condition of panel grid The output of TCP is fixed at low level or high level This line is very clear and constant REWORK We can not rework this REWORK We can not rework this Vertical ...

Page 15: ...grids of panel are shortage due to foreign material CHECK POINT Two lines are lighting at two colors CHECK POINT The surface condition of panel grid The closed outputs of TCP are Shortage REWORK We can not rework this REWORK We can not rework this Vertical ...

Page 16: ...hortage by foreign material CHECK POINT Input signal condition REWORK Change the data relay board Many Blocks Data Relay Board The lead of the buffer IC or the connector on data relay board are shortage by foreign material CHECK POINT Input signal condition REWORK Change the data relay board Vertical ...

Page 17: ...14 Many Lines Data Grid Open Damaged data grid in panel EX Sulfur scratch CHECK POINT The surface condition of panel grid REWORK We can not rework this Vertical ...

Page 18: ... working on signal lines The connector on data relay board is opened by the cracking of solder CHECK POINT The surface of TCP is damaged CHECK POINT Input signal condition TCP is not working REWORK We can not rework this REWORK Change the data relay board Vertical ...

Page 19: ... of scan relay board CHECK POINT One line is no lighting or lighting at white signal CHECK POINT The output of scan IC Reconnection The output of scan IC is fixed at low level or high level This line is very clear and constant REWORK Change the scan relay board REWORK Reconnect the FPC Horizontal ...

Page 20: ...POINT FPC insert shifting Foreign material in connector The lead of scan IC The output of scan IC are shortage This line is not clear and not constant REWORK Clean in the connector Reconnect the FPC Change the scan relay board Horizontal ...

Page 21: ...en The output of scan board is not working CHECK POINT The surface of scan IC CHECK POINT The output of Scan Board Scan IC is not working REWORK Change the scan relay board REWORK Change the scan board Scan Board Horizontal ...

Page 22: ...20 Sample Sample 55 x 15mm 20 x 17mm Dimension Label B 55 x 25mm 40 x 17mm Dimension Label A Since July 2003 By June 2003 Vs Vd Vbw Vsw Vp Vw Voltage Information ...

Page 23: ...21 Plasma Display NP50C4MF01 Confirmation Manual Ver 1 ...

Page 24: ...l Line Horizontal Line No Display Page 38 42 Page 43 Page 29 35 It investigates individually Judgement Make Failure Description sheet please Flexible cables check NG OK Page 24 Page 25 Page 26 28 Page 23 Display check Take pictures Module and Packing box Take pictures If you can check faults visually take pictures Take pictures Re use OK Page 29 35 Page 36 37 ...

Page 25: ...99 8 311200062 The above mentioned example Vbw 115 2V Vsw 209 9V Vp 199 8V The above mentioned example Type name NP50C4MF01DA S N 312202867 ＮＥＣＮＥＣＮＥＣＮＥＣ MODEL NP50C4MF01 312202867 MADE IN JAPAN CODE DA 01 NEC Plasma Display Corporation Panel ID Type name S N Panel ID Voltage value label check ...

Page 26: ...nsportation Please take pictures of the part of a panel crack and the packing box with the module was packed up and inform of a delivery of goods day Cautions When a photograph cannot be taken we ll make decision the disposal of the broken module Check whether it has panel crack or not Panel crack ...

Page 27: ...ata relay bottom Flexible Cable for data relay top Flexible Cable for scan voltage Flexible Cable for common voltage Check that the flexible cable is torn cut or electrode has come off etc Flexible Cable check Flexible Cable ...

Page 28: ...nectors Data Relay PKG L D 6 connectors Common Relay PKG 5 connectors Data Relay PKG M T 11 connectors Data Relay PKG R Ｔ 8 connectors Data Relay PKG L T 6 connectors Check the cables or connectors whether connected and locked or not normally Cautions It becomes the cause of failure when not connecting normally So heed about connecting of connectors please Connectors check Connectors Check 1 ...

Page 29: ...nection check of a connector High Voltage Board Photo Digital PKG Scan Relay PKG Photo Panel The state of the connector locked Common Relay PKG Photo Panel The state of the connector unlocked Connector Check 2 ...

Page 30: ...KG Photo Data Relay PKG Digital PKG Photo High Voltage PKG High Voltage PKG Photo Scan Relay PKG The state of the connector locked The state of the connector unlocked A connection check of a connector Connector Check 3 ...

Page 31: ...29 Glass Fuse on High Voltage PKG F301 F302 Chip Fuse on Digital PKG FU701 OK Short NG Open High Voltage PKG Digital PKG OK Short NG Open Tester Check 1 ...

Page 32: ...30 R29 R1 Fuse Resistance R1 R29 R1 OK About4 7ohm 1W R29 OK About4 7ohm 1 4W NG Open High Voltage PKG Tester Check 2 ...

Page 33: ...31 Fuse Resistance R20 Fuse Resistance R12 R20 OK About1 0ohm 1 4W NG Open R2 OK About2 2ohm 1 4W NG Open Fuse Resistance R2 R12 OK About1 0phm 1W NG Open R20 R12 R2 High Voltage PKG Tester Check 3 ...

Page 34: ...heck between No 1 or No 2 pin and GND of each connector with tester 2 When short Since there is a certain possibility data IC connected to Data relay PKG is failure Remove the heat sink on data IC and check whether there are any abnormalities such as destructive sign in the surface CN8 CN8 Data Relay PKG R T Ｒ B No 1 or No 2 pin of each CN8 Vd Line of Data IC Tester Checking 4 ...

Page 35: ...33 PH2301 Parts Location High Voltage PKG Tester Check 5 ...

Page 36: ... P L F G H M E D C B A Judgment OK Diode characteristic NG Except above I K J N O P Q A B C D E F G H I J K L M N O P Q R S T U V Cautions D E F G I and R are GND A 1 V 112 C 9 14 B 3 7 E 21 G 32 H 44 I 52 J 57 60 K 62 65 L 67 70 M 72 75 N 80 83 O 85 P 87 90 Q 91 R 94 97 S 99 102 T 104 U 106 109 56 D 16 20 F 27 28 Tester Check 6 ...

Page 37: ... Cautions Even if it removes the connector during High voltage PKG and Scan relay PKG when between NEGA POSI by the side of Scan relay PKG is short it is failure of Scan IC on the Scan relay PKG Scan Relay PKG Scan Relay PKG R T Scan Relay PKG R B High Voltage PKG High Voltage PKG Tester Check 7 ...

Page 38: ...36 Judgment Compare with specification 1 piece 2 piece continuation Pixel Defect 2 piece continuation Pixel Defect 1 ...

Page 39: ...37 3 piece continuation 3 piece continuation 3 piece continuation Pixel Defect 2 Pixel Defect ...

Page 40: ...nd poor contact etc of the flexible cable for Data relay b Failure of data IC etc c Panel failure All Red Pattern All Green Pattern All Blue Pattern All Black Pattern Black 1 Line Red 1 Line Red 1 Line Normal picture Phenomenon Open Mode Vertical Line 1 line Vertical Line 1 ...

Page 41: ...ed Pattern All Green Pattern All Blue Pattern All Black Pattern Blue 1 Line Red 1 Line Vertical Line Two lines Phenomenon Short Mode The cause of presumed a Failure of data IC etc b Panel failure Normal picture Normal picture Vertical Line 2 ...

Page 42: ...data IC half Vertical line A block of a data IC half Phenomenon Block un lighting The cause of presumed a Failure of opening and poor contact etc of the flexible cable for Data relay b Failure of data IC Vertical Line 3 ...

Page 43: ... presumed a Failure of opening and poor contact etc of the flexible cable for Data relay b Failure of data IC Vertical line A block of a data IC Un lighting of one data IC Phenomenon Block un lighting Vertical Line 4 ...

Page 44: ... IC Phenomenon Block un lighting The cause of presumed a Failure of opening and poor contact etc of between Data relay PKG and Digital PKG High Voltage PKG b Opening and poor contact etc of some flexible cables for Data relay c Failure of some data IC Vertical Line 5 ...

Page 45: ...contact etc of the Scan voltage flexible cable CN01 CN04 CN06 CN09 by the side of Scan relay PKG output c Failure of poor contact of the connector between Scan PKG and Scan relay PKG d Short between Scan IC terminals by conductive substances such as screw waste The cause of presumed Phenomenon 1 line 2 lines Block un lighting Horizontal Line ...

Page 46: ...44 Plasma Display NP50C4MF01 Repair Manual Ver 1 ...

Page 47: ...s Attach a module to jig Attach P S and signal cables Aging Remove a module from jig Analysis Repair Inspection Page 46 Page 47 Page 48 50 Page 51 Page 51 Page 52 Page 52 Page 53 56 Page 57 Page 60 Page 61 Do analysis based on Confirmation Manual NG OK Adjust voltages Page 58 59 Page 57 Display inspection To the following process as normal module Repair Flow Chart ...

Page 48: ...nd display inspection d Power supply At the time of voltage adjustment and display inspection e The jigs for module installation At the time of standing a module upright and checking picture f Tester At the time of a short check and voltage adjustments g Cushions At the time of PKG exchange etc Cautions Please always wear a wristband for the destructive prevention by static electricity when handle...

Page 49: ...47 Put a cushion on bench and put a module for repair on it Cautions When you put a glass side downward on cushion please install a cushion to wear the whole glass side Preparation of module ...

Page 50: ...KG Data Relay PKG L B 6 connectors Data Relay PKG M B 11 connectors Data Relay PKG R B 8 connectors Digital PKG 8 connectors Common Bypass PKG High Voltage PKG 6 connectors Scan Relay PKG B 4 connectors Common Relay PKG 5 connectors Data Relay PKG L T 6 connectors Data Relay PKG M T 11 connectors Data Relay PKG R T 8 connectors Scan Relay PKG T 4 connectors Repair 1 Remove connectors cables 1 ...

Page 51: ...ate of the connector locked The state of the connector unlocked Cautions Since how to remove differs please be careful with the type of a connector Moreover if the handling of a connector is mistaken please be careful since you may break Repair 1 Remove connectors cable 2 ...

Page 52: ... of the connector locked The state of the connector unlocked Cautions Since how to remove differs please be careful with the type of a connector Moreover if the handling of a connector is mistaken please be careful since you may break Repair 1 Remove connectors cable 3 ...

Page 53: ...d removal of a screw since they become the cause of failure When you remove the data relay PKG please remove a heat sink before it Scan Relay PKG T 3 screws Scan Relay PKG B 3 screws Common Relay PKG 8 screws Data Relay PKG L B 5 screws Data Relay PKG M B 6 screws Data Relay PKG R B 6 screws Data Relay PKG L T 5 screws Data Relay PKG M T 6 screws Data Relay PKG R T 6 screws Remove object PKG for r...

Page 54: ...G L B 5 screws Data Relay PKG M B 6 screws Data Relay PKG R B 6 screws Cautions Please be careful not to stress each PKGs connectors and cables at the time of attachment When you attach the data relay PKG please attach a heat sink after that Data Relay PKG L T 5 screws Data Relay PKG M T 6 screws Data Relay PKG R T 6 screws Attach normal PKGs Repair 3 Attach normal PKGs ...

Page 55: ... FLAT CABLE Type A Socket Type A Cautions Please check whether there is any foreign substance in connector electrode etc Cautions Please check whether there is any de bonding or disconnection short in connector electrode etc Repair4 Connector connection 1 ...

Page 56: ...ctors Scan Relay PKG B 4 connectors Common Relay PKG 5 connectors Data Relay PKG L T 6 connectors Data Relay PKG M T 11 connectors Data Relay PKG R T 8 connectors Scan Relay PKG T 4 connectors Insert cables and lock connectors Cautions Cautions Cautions Cautions Please check that connector connection of red line parts are made normally Repair 4 Connector connection 2 ...

Page 57: ...PKG Photo DIGITAL PKG SCAN RELAY PKG Photo FLEXIBLE CABLE COMMON RELAY PKG Photo FLEXIBLE CABLE The state of the connector locked The state of the connector unlocked Connecting condition Repair 4 Connector connection 3 ...

Page 58: ...ion DIGITAL PKG Photo HIGH VOLTAGE PKG HIGH VOLTAGE PKG Photo DATA RELAY PKG HIGH VOLTAGE PKG Photo SCAN RELAY PKG Photo The state of the connector locked The state of the connector unlocked Repair 4 Connector connection 4 ...

Page 59: ...truction such as tears of flexible cable TCP Please check that connector connection from the main power supply is ensured It becomes the cause of destruction of high voltage PKG etc Please adjust the setting voltage of a module When setting voltage is not protected it is predicted that a picture becomes unusual Preparation before electrify ...

Page 60: ... and GND on High Voltage PKG However adjustment accuracy is plus minus 0 5V VSW Adjustment Cautions Refer to the view of the voltage value display label P3 of the analysis manual for adjustment voltage value Moreover GND should use nearby chassis Voltage Adjustment 1 ...

Page 61: ... 0 5V Adjust the VBW with VR2 between test pad TP329 and GND on High Voltage PKG However adjustment accuracy is plus minus 0 5V VR2 VBW VR1 VP TP329 VBW TP327 VP Cautions Refer to the view of the voltage value display label P3 of an analysis manual for adjustment voltage value Moreover GND should use nearby chassis Voltage Adjustment 2 ...

Page 62: ...e age neither by the window nor fixed patterns such as a crossing hatch Aging conditions Aging conditions Aging conditions Aging conditions Please age by all screen white displays for at least 30 minutes All screen white displays A check of operation 1 ...

Page 63: ...fter long term storage please age by all screen white displays about 1 more hour furthermore Display inspection conditions Please perform a display check by display of all screen red all screen green all screen blue a color bar and gray scale Red Green Blue Color Bar Gray Scale A check of operation 2 ...

Page 64: ...ature 2 When you place a carton box please put the long neighborhood on the bottom like the following photo left Please do not turn down the short neighborhood the following photograph right and the long neighborhood which the handle attached or do not place for lying prone The storage method ...

Page 65: ...er Top 9 885 058 91 PKG50C4J3 HT4 9S899566 PKG50C4J3 01A Data Relay board RT 9 885 058 92 PKG50C4J4 HT4 9S899567 PKG50C4J4 01A Data Relay board LB 9 885 058 93 PKG50C4J5 HT4 9S899568 PKG50C4J5 01A Data Relay boardG Center BTM 9 885 058 94 PKG50C4J6 HT4 9S899569 PKG50C4J6 01A Data Relay boardG RB 9 885 058 95 PKG50C4E1 HT4 9S899570 PKG50C4E1 01A Scan Relay board Top 9 885 058 96 PKG50C4E2 HT4 9S899...

Page 66: ...Sony EMCS Corporation Ichinomiya TEC 9 878 231 01 English 2004CL08 Data Made in Japan 2004 3 ...

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