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Sony KDE50XBR950 Service Manual

Sony flat panel color tv - panel module service manual.
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KDE50XBR950/KDE-P50MRX1D
PANEL MODULE SERVICE MANUAL
PDP Module Name
NP50C4MF01
KE-P50MRX1
KDE50XBR950
KDE-P50MRX1D UK Model
KE-P50MRX1
FLAT PANEL COLOR TV
UC Model
AEP Model

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Table of Contents

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   Summary of Contents for Sony KDE50XBR950

  • Page 1 KDE50XBR950/KDE-P50MRX1D KE-P50MRX1 PANEL MODULE SERVICE MANUAL PDP Module Name KDE50XBR950 UC Model NP50C4MF01 KDE-P50MRX1D UK Model KE-P50MRX1 AEP Model FLAT PANEL COLOR TV...
  • Page 2 Contents 1. Confirmation Common Manual ・・・・・・・・・・・・・・・・・・・・・・・ P1~P20 2. Confirmation Manual ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ P21~P43 3. Repair Manual ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ P44~P62 4. THE PARTS INFORMATION ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・...
  • Page 3 PDP (NP series) Confirmation Common Manual Ver.1...
  • Page 4 PDP Malfunction Phenomenon No Picture Power-off Alarm protection When you turn-on the main power, the LED light-off after few minutes. Go to Page 8 due to check more details. Power-on No Priming Malfunction The LED is lighting, but The priming does not appear on not appear pictures.
  • Page 5 PDP Malfunction Phenomenon Abnormal Screen Abnormal Color No lighting sell are on screen at white pattern. Go to Page 11 due to check more details. Abnormal Block Colorful blocks appear on screen at color bar pattern. Go to Page 11 due to check more details.
  • Page 6 PDP Malfunction Phenomenon Vertical Vertical Line Single Line Only one line is always lighting. Go to Page 12 due to check more details. Two Lines two lines are lighting. Go to Page 13 due to check more details. Many Lines Many lines are lighting.
  • Page 7 PDP Malfunction Phenomenon Vertical Vertical Block One Black Block One block is always no- lighting by one IC. Go to Page 15 due to check more details. One Zebra Block Zebra block appears by one IC. Go to Page 16 due to check more details.
  • Page 8 PDP Malfunction Phenomenon Horizontal Horizontal Line 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. Horizontal Block Half block does not go out.
  • Page 9 PDP Malfunction Phenomenon Screen Defect Lighting strip Check our specification . Black strip Check our specification .
  • Page 10 No Picture Panel Alarm FPC Opened Panel alarm line go through the edge of the FPC. CHECK POINT FPC cutting at scan side and TCP REWORK side. We can not rework this. Panel Grid Opened Alarm Panel alarm line go through the edge of panel.
  • Page 11 No Picture Vd Protection TCP Broken In case of shortage between Vd line and GND in TCP, Vd protection will be worked. CHECK POINT Shortage between Vd line and GND, REWORK TCP surface We can not rework this. Alarm Data Relay Board Broken Protection In case of shortage between Vd line and GND in data relay board, Vd...
  • Page 12 No Picture High Voltage Circuit Broken Next parts will be broken, Vp or Vbw line on Scan Board, Vsw line on Common Board, (High Voltage Board). No Priming CHECK POINT No Signal Fuse on board, Vp, Vbw and Vsw REWORK line of Power HIC.
  • Page 13 No Picture Abnormal High Voltage Circuit Broken screen Next parts will be broken, Vbw line on Scan Board, Vsw line on Common Board, (High Voltage Board). REWORK Change the scan or common CHECK POINT board (High voltage board). fuse on board, Vbw or Vsw line on board.
  • Page 14 Vertical The output of TCP The output of TCP is fixed at low level or high level. This line is very clear and constant. CHECK POINT REWORK Single Line One line is no-lighting or lighting at We can not rework this. any pure color signal (red, green blue and black) Data Grid Open...
  • Page 15 Vertical The output of TCP The closed outputs of TCP are Shortage. CHECK POINT REWORK Two Lines Two lines are lighting at two colors. We can not rework this. Data Grid Shortage The grids of panel are shortage due to foreign material. CHECK POINT The surface condition of panel grid.
  • Page 16 Vertical Zebra Block Data Relay Board The lead of the buffer IC or the connector on data relay board are shortage by foreign material. CHECK POINT REWORK Input signal condition. 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.
  • Page 17 Vertical 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.
  • Page 18 Vertical TCP Broken TCP is not working. CHECK POINT The surface of TCP is damaged. Black Block REWORK We can not rework this. Data Relay Board The buffer IC is not working on signal lines. The connector on data relay board is opened by the cracking of solder.
  • Page 19 Horizontal The output of Scan IC The output of scan IC is fixed at low level or high level. This line is very clear and constant. CHECK POINT REWORK Single Line One line is no-lighting or lighting at Change the scan relay white signal.
  • Page 20 Horizontal Two Lines Scan Relay Board The output of scan IC are shortage. This line is not clear and not constant. CHECK POINT FPC insert shifting. Foreign material in connector. The lead of scan IC. REWORK Clean in the connector. Reconnect the FPC.
  • Page 21 Horizontal Scan IC broken Scan IC is not working. CHECK POINT The surface of scan IC. Block REWORK Change the scan relay board. Scan Board The output of scan board is not working. CHECK POINT The output of Scan Board. REWORK Change the scan board.
  • Page 22 Voltage Information By June 2003 Since July 2003 Sample 55 x 25mm 40 x 17mm Dimension Sample 20 x 17mm 55 x 15mm Dimension Vd Vbw Vsw Vp Vw...
  • Page 23: Plasma Display

    Plasma Display (NP50C4MF01)                Confirmation Manual        Ver.1...
  • Page 24 Analysis Flow Chart Check procedure Type Name, S/N etc check Page 23 Take pictures (Module and Packing box) Panel crack check Page 24 Flexible cables check Take pictures Page 25 Connectors check Take pictures Page 26-28 Tester check If you can check faults visually , take pictures Page 29-35 Display check Re-use...
  • Page 25 Type name, S/N , Panel ID, Voltage value label check Type name, S/N Voltage value display label Vbw         Vsw Vp NEC NEC NEC NEC (s185.0        /        d65.0)115.2/209.9/199.8   Panel ID MODEL NP50C4MF01 ************************************ 312202867 MADE IN JAPAN...
  • Page 26 Panel crack check Panel crack Check whether it has panel crack or not A panel crack may be based on the handling under transportation or after transportation. 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.
  • Page 27 Flexible Cable check         Flexible Cable Check that the flexible cable is torn, cut, or electrode has come off etc. Flexible Cable for data relay (top) Flexible Cable for data relay (bottom)
  • Page 28 Connectors Check 1 Check the cables or connectors whether connected and locked, or not normally. Connectors check Data Relay PKG(L-T) Data Relay PKG(M-T) Data Relay PKG(R-T) 6 connectors  11 connectors 8 connectors Common Bypass PKG High Voltage PKG 6 connectors Digital PKG 8 connectors Data Relay PKG(L-D)
  • Page 29 Connector Check 2 A connection check of a connector Common Relay PKG (Photo) Scan Relay PKG (Photo) High Voltage Board (Photo) - Panel - Panel - Digital PKG The state of the connector locked The state of the connector unlocked...
  • Page 30 Connector Check 3 A connection check of a connector Digital PKG (Photo) High Voltage PKG (Photo) High Voltage PKG (Photo) - High Voltage PKG - Scan Relay PKG - Data Relay PKG The state of the connector locked The state of the connector unlocked...
  • Page 31 Tester Check 1 High Voltage PKG Digital PKG Chip Fuse on Digital PKG Glass Fuse on High Voltage PKG (FU701) (F301,F302) OK: Short OK: Short NG: Open NG: Open...
  • Page 32 Tester Check 2 High Voltage PKG OK : About4.7ohm(1W) Fuse Resistance(R1),(R29) R29 OK: About4.7ohm(1/4W) NG : Open...
  • Page 33 Tester Check 3 High Voltage PKG Fuse Resistance (R12) Fuse Resistance (R2) Fuse Resistance(R20) R12 OK : About1.0phm(1W) R2 OK : About2.2ohm(1/4W) R20 OK : About1.0ohm(1/4W) NG : Open NG : Open NG: Open...
  • Page 34 Tester Checking 4 Data IC Data Relay PKG (R-T,R-B) No 1 or No 2 pin of each CN8 (Vd Line of Data IC) Check between No 1 or No 2 pin and GND. OK: Open NG: Short Check between No 1 or No 2 pin and GND. Remove each CN8 of each Data relay PKG (R-T,R-B), and.
  • Page 35 Tester Check 5 Parts Location High Voltage PKG PH2301...
  • Page 36 Tester Check 6 Power HIC (112) PH2301 on the back of High Voltage PKG (3-7) (106-109) (104) (9-14) (99-102) (94-97) (16-20) (21) (91) (87-90) (85) (27-28) (80-83) (32) (72-75) (67-70) Check point (44) Judgment A – C I – J P –...
  • Page 37 Tester Check 7 Scan Relay PKG High Voltage PKG Scan Relay PKG (R-T) Scan Relay PKG (R-B) High Voltage PKG POSI NEGA NEGA POSI Judgment Check Point OK : More than K ohms Between NEGA and POSI NG : Short (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.
  • Page 38 Pixel Defect 1 Pixel Defect Judgment : Compare with specification 2 piece continuation 2 piece continuation 1 piece...
  • Page 39 Pixel Defect 2 Pixel Defect 3 piece continuation 3 piece continuation 3 piece continuation...
  • Page 40 Vertical Line 1 Vertical Line : 1 line Phenomenon (Open Mode) All Red Pattern All Green Pattern All Blue Pattern All Black Pattern Black 1 Line Red 1 Line Normal picture Red 1 Line One of red lines is open. Failure of opening and poor contact etc of the flexible The cause of presumed cable for Data relay.
  • Page 41 Vertical Line 2 Vertical Line : Two lines Phenomenon (Short Mode) All Red Pattern All Green Pattern All Blue Pattern All Black Pattern Normal picture Blue 1 Line Normal picture Red 1 Line Adjacent red and blue are short. Failure of data IC etc. The cause of presumed Panel failure.
  • Page 42 Vertical Line 3 Vertical line : A block of a data IC half Phenomenon (Block un-lighting) Un-lighting of data IC half. The cause of presumed Failure of opening and poor contact etc of the flexible cable for Data relay. Failure of data IC.
  • Page 43 Vertical Line 4 Vertical line : A block of a data IC Phenomenon (Block un-lighting) Un-lighting of one data IC. The cause of presumed Failure of opening and poor contact etc of the flexible cable for Data relay. Failure of data IC.
  • Page 44 Vertical Line 5 Vertical Line : A block of some data IC Phenomenon (Block un-lighting) Un-lighting of some data IC. The cause of presumed Failure of opening and poor contact etc of between Data relay PKG and Digital PKG, High Voltage PKG. Opening and poor contact etc of some flexible cables for Data relay.
  • Page 45 Horizontal Line Horizontal Line : 1 line, 2 lines, a block Phenomenon (1 line, 2 lines, Block un-lighting) 1 line 2 lines Block Block The cause of presumed Failure of Scan IC of the Scan relay PKG. Failure of opening and poor contact etc of the Scan voltage flexible cable (CN01- CN04, CN06-CN09) by the side of Scan relay PKG output.
  • Page 46 Plasma Display (NP50C4MF01) Repair Manual        Ver.1...
  • Page 47: Table Of Contents

    Repair Flow Chart Repair Inspection Page 46 Preparation of a tool etc. Attach a module to jig Page 57 Preparation of a module Page 47 Attach P/S and signal cables Page 57 Adjust voltages Remove connectors, cables Page 48-50 Page 58-59 Aging Page 60 Remove screws...
  • Page 48: Preparation Of A Tool Etc

    Preparation of tools Tools, JIGs a) Philips type Driver ----------When taking off PKGs. b) Wristband for static electricity countermeasure ----------At the time of the electronic parts handling of PKG etc. c) Signal generator (PC etc) ----------At the time of voltage adjustment and display inspection d) Power supply ----------At the time of voltage adjustment and display inspection e) The jigs for module installation...
  • Page 49: Preparation Of A Module

    Preparation of module 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.
  • Page 50: Remove Connectors, Cables

    Repair 1 Remove connectors, cables (1) Remove connectors for object repair PKG Data Relay PKG(L-T) Data Relay PKG(R-T) Data Relay PKG(M-T) 6 connectors 8 connectors 11 connectors Common Bypass PKG High Voltage PKG 6 connectors Digital PKG 8 connectors Data Relay PKG(M-B) Data Relay PKG(L-B) Data Relay PKG(R-B) 11 connectors...
  • Page 51 Repair 1 Remove connectors, cable (2) How to remove connectors Flat Cable (Type B) Flat Cable (Type A) The state 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.
  • Page 52 Repair 1 Remove connectors, cable (3) How to remove connectors Cable (Type D) Flat Cable (Type C) The state 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.
  • Page 53: Remove Screws

    Repair 2 Remove PKGs Remove object PKG for repair Data Relay PKG(L-T) Data Relay PKG(M-T) Data Relay PKG(R-T) 5 screws 6 screws 6 screws Common Bypass PKG 14 screws High Voltage 15 screws Digital PKG 4 screws Data Relay PKG(L-B) Data Relay PKG(M-B) Data Relay PKG(R-B) 5 screws...
  • Page 54: Attach Normal Pkg

    Repair 3 Attach normal PKGs Attach normal PKGs Data Relay PKG(L-T) Data Relay PKG(M-T) Data Relay PKG(R-T) 5 screws 6 screws 6 screws Common Bypass PKG 14 screws High Voltage 15 screws Digital PKG 4 screws Data Relay PKG(L-B) Data Relay PKG(M-B) Data Relay PKG(R-B) 6 screws 5 screws...
  • Page 55 Repair4 Connector connection (1) Check the state of cables and a connectors (sockets) FLAT CABLE (Type A) Socket (Type A) Cautions Cautions Please check whether there is any de-bonding Please check whether there is any foreign substance or disconnection, short in connector electrode in connector electrode etc.
  • Page 56 Repair 4 Connector connection (2) Insert cables and lock connectors Data Relay PKG(L-T) Data Relay PKG(R-T) Data Relay PKG(M-T) 6 connectors 8 connectors 11 connectors Common Bypass PKG High Voltage PKG 6 connectors Digital PKG 8 connectors Data Relay PKG(L-B) Data Relay PKG(M-B) Data Relay PKG(R-B) 6 connectors...
  • Page 57 Repair 4 Connector connection (3) Connecting condition HIGH VOLTAGE PKG (Photo) SCAN RELAY PKG (Photo) COMMON RELAY PKG (Photo) - DIGITAL PKG - FLEXIBLE CABLE - FLEXIBLE CABLE The state of the connector locked The state of the connector unlocked...
  • Page 58 Repair 4 Connector connection (4) Connecting condition DIGITAL PKG (Photo) HIGH VOLTAGE PKG (Photo) HIGH VOLTAGE PKG (Photo) - HIGH VOLTAGE PKG - DATA RELAY PKG - SCAN RELAY PKG (Photo) The state of the connector locked The state of the connector unlocked...
  • Page 59: Attach A Module To Jig

    Preparation before electrify Installation to jigs Cautions Cautions Cautions Cautions Please do not stand a module on a bench etc directly. ----- It becomes the cause of destruction 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.
  • Page 60: Adjust Voltages

    Voltage Adjustment (1) VSW Adjustment Adjust the VSW with VR3 between test pad (TP VSW ) and GND on High Voltage PKG. However, adjustment accuracy is VR3(VSW) plus/minus 0.5V. TP VSW (Cautions) Refer to the view of the voltage value display label (P3) of the analysis manual for adjustment voltage value .
  • Page 61 Voltage Adjustment (2) VBW ,VP Adjustment Adjust the VBW with VR2 between test pad (TP329) and GND on High Voltage PKG. VR2(VBW) However, adjustment accuracy is VR1(VP) plus/minus 0.5V. TP329 TP327 (VBW) (VP) Adjust the VP with VR1 between test pad (TP327) and GND on High Voltage PKG.
  • Page 62 A check of operation (1) Aging All screen white displays Aging conditions Aging conditions Aging conditions Aging conditions Please age by all screen white displays for at least 30 minutes. Cautions Cautions Cautions Cautions Please age neither by the window nor fixed patterns, such as a crossing hatch.
  • Page 63: Display Inspection

    A check of operation (2) Display inspection Green Blue Color Bar Gray Scale 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. Cautions When dark defects and bright defects were accept by the inspection after long-term storage, please age by all screen white displays about 1 more hour furthermore.
  • Page 64 The storage method Cautions (1) Please keep a module in the interior of a room which maintained normal temperature. (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.
  • Page 65 4. THE PARTS INFORMATION PDP Module Repair Parts List Sony Model name NPD PDP Module Part Number Spare Parts Name Supplier's Part Number Version Note KDE50XBR950 (U/C) NP50C4MF01** 9-885-058-87 PKG50C4G1 HT4-9S899562 PKG50C4G1 High Voltage board KDE-P50MRX1D(UK) 9-885-058-88 PKG50C4C1 HT4-9S899563 PKG50C4C1...
  • Page 66 English 2004CL08-Data Sony EMCS Corporation Made in Japan Ichinomiya TEC  2004. 3 9-878-231-01...

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