Plasma Panel Monitors Triage & Troubleshooting Guide
Contents
1. reference label on the rear of Plasma Panel for correct voltage level Vy reference label on the rear of Plasma Panel for correct voltage level Overall Component Block Diagram PDP 04 PFM42V1 Triage amp Troubleshooting Display Panel Assembly YDT Board amp PFM42V 1 Drive ICs Ysus Scan Board YDT Board amp Drive ICs Single Address Scan Power to all Panel AG Assb PCBs Input Power gt Power E STBY 5V Key Control Lines ACD Detects the b i Kg input No Red STBY LED if missing Relay Turns ON AC input relay No Relay click if missing VS ON Turns ON the VS power supply No VS voltage if missing a Video Input 1 DVI Video Input 2 HD15 i H1 Board S Optional Video FPBRMV10 T 1 Input Boards Composite Input TT REM l i Component Input XL address Brd XR address Board EK Section Control Board amp XL address Board SE Rew gt gt gt gt gt gt Audio Amplifier Control an 1 Control Fan 2 2 Control Lo Fan 3 Video Processing Audio Processing Main Microprocessor Fan Control AV Switching Data Temp Sensor 1 Sensor 1 Data Temp Sensor 2 Data Temp Sensor 3 H2 Board gt Power Sw gt IR Sensor gt LEDS PFM42V1 Troubleshooting PFM 42V1 Top of TV G Board YDT Ysus Rear View A Board C2. 18 PFM 42X1 YDT amp YDB Resistance Check 19 PDP 04 Panel Distortion Diagrams erre 20 FWD42PV1 Triage Troubleshooting 24 Overall Component Block Diagram 24 PCB Location Diada Musas eg 25 A A eee aoe nen 26 FWD 42PV1 VS VA Vy VecAdustmente 2 FWD 42PV1 YDT amp YDB Resistance Check 28 Panel Distortion Diagrams err 29 FWD50PX1 Triage Troubleshooting 33 Overall Component Block Diagram oaneannnnnnennenennenn 33 PCB Location Diagram erre 34 Mage Grada taa 35 FWD 50PX1 Vsus amp VADR Check 36 FWD 50PX1 YDT amp YDB Resistance Check 37 Panel Distortion DiagramS er 38 FWD50PX2 Triage Troubleshooting 42 Overall Component Block Diagram 42 PCB Location Diada a 43 Thage Charl ste eiisst aos US Lossio sai ee rsss ade ED ai 44 FWD 50PX2 VS VA Vy Vsc Adjustments 45 FWD 50PX2 YDT amp YDB Resistance Check 46 Panel Distortion Diagrams err 47 General PFM 8 FWD Plasma Monitor Information Address boards for Dual Scan Models Address Board FWD50PX2 Model Only Plasma Panel IS m m of Address Board Address Board No Connection FWD5
3. Replace Panel Assembly Flex Cable NG No Video Horizontal Black Bar upper 1 2 of screen 4St Confirm secure connections between Ysus and YDT boards Check Flex Cable between YDT and Panel Assembly for physical damge Replace YDT board connections 4 Flex Cable OK Replace Panel Assembly Flex Cable NG No Video Vertical Black Box 1 8 of screen 1 Confirm secure connections between associated address board and the Panel Assembly Check driver ICs for physical damage Replace Address Board connections 4 Flex Cable OK Replace Panel Assembly Flex Cable or Driver ICs NG NOTE This same type of symptom can occur due to any defective address boards The black box will occur in the lower or upper part of the screen below or above a particular address board 38 PDP 04 Address Address Address Board Board Board Address Address Board Board Address Board Address Board Address Address Board Board Address Address Address Board Board Board Address Address Address Board Board Board Address Address Address Board Board Board No Video Vertical Black Box 1 8 of screen 15t Confirm secure connections between associated address board and the Panel Assembly Check driver ICs for physical damage Replace Address Board connections amp Flex Cable OK Replace Panel Assembly Flex Cable or Driver ICs NG NOTE This same type of symptom can o
4. adjustment Ysus Board Adjustment VA VS Vsc Vy per the levels indicated on the label located on the rear of the Plasma panel Input and display a Full White raster for adjustment Zsus Board Adjustment VA VS per the levels indicated on the label located on the rear of the Plasma panel Input and display a Full White raster for adjustment Address Board Adjustment VA VS per the levels indicated on the label located on the rear of the Plasma panel Input and display a Full White PDP 04 General Information raster for adjustment Control Board Adjustment VA VS Vsc Vy per the levels indicated on the label located on the rear of the Plasma panel Input and display a Full White raster for adjustment Plasma Panel Adjustment VA VS per the levels indicated on the label located on the rear of the Plasma panel Adjust White Balance and AD Calibration per the procedure found in the unit Service Manual Input and display a Full White raster for adjustment Aor B Board Adjust White Balance andAD Calibration per the procedure found in the unit Service Manual Voltage Checks Power Supplies G Board VA Reference label on the rear of Plasma Panel for correct voltage level Input and display a Full White raster for adjustment VS Reference label on the rear of Plasma Panel for correct voltage level Input and display a Full White raster for adjustment Standby 5V Operating 5V Ysus Board Vsc
5. amp YDB Resistance Check FWD42PV1 Troubleshooting NOTE The resistance measurement between the com and VS voltage pads should read approximately 3M ohms with voltmeter leads oriented as shown in the diagram If the voltmeter leads are reverse the reading will be infinite A typical faulty reading is 500 ohms Replace the YDT or YDB if a low resistance is measured 28 FWD42PV1 Troubleshooting Panel Distortion Diagrams No Video Horizontal Black Bar lower 1 2 of screen 1 Confirm secure connections between Ysus and YDB boards Check Flex Cable between YDB and Panel Assembly for physical damge Replace YDB board connections Flex Cable OK Replace Panel Assembly Flex Cable NG XL address Board XR address Board No Video Horizontal Black Bar upper 1 2 of screen 1 Confirm secure connections between Ysus and YDT boards Check Flex Cable between YDT and Panel Assembly for physical damge Replace YDT board connections amp Flex Cable OK Replace Panel Assembly Flex Cable NG XL address Board XR address Board No Video Vertical Black Bar 1 2 of screen 15t Confirm secure connections between XL Board and the Panel Assembly Replace XL Board connections amp Flex Cable OK Replace Panel Assembly Flex Cable NG XR address Board PDP 04 29 FWD242PV1 Troubleshooting No Video Vertical Black Bar 1 2 of screen 1 Co
6. and VADR voltages are not field adjustable If the voltage levels are not within the voltage range shown on the label after board replacement the TY must be sent into a Sony Service Center for service VSUS TP CN pin 2 4 4 d i Pih pe o AA i 1 iJ VSUS TP ADR TP LN pins 4 9 or Power Board M VADR 08 0 051 2 044 gt A sm KT FWD 50PX1 Vsus 8 VADR Check PDP 04 36 PDP 04 FWD50PX1 Troubleshooting NOTE The resistance measurement between lhe com and VS voltage pads should rad approximately 1 MO ohms with voltmeler leads oriented as shown in the diagram A typical faulty reading is 44 ohms Replace lhe YOT or YDB if a low resistance ls measured FWD 50PX1 YDT 8 YDB Resistance Check 3 Panel Distortion Diagrams PDP 04 Address Address Address Address Board Board Board Board Address Address Address Address Board Board Board Board Address Address Address Address Board Board Board Board Address Address Address Address Board Board Board Board Address Address Address Board Board Board Address Address Address Board Board Board FWD50PX1 Troubleshooting No Video Horizontal Black Bar lower 1 2 of screen 15t Confirm secure connections between Ysus and YDB boards Check Flex Cable between YDB and Panel Assembly for physical damge Replace YDB board connections amp Flex Cable OK
7. board 3 _ Check all voltages and connections to Zsus board Replace Zsus connections amp voltages OK Pixelization amp Black Areas In Video 1 Confirm connections and power supply voltages VS 8 5V to Zsus board are secure Confirm Flex cable connections between Zsus board and Panel ond A Replace Zsus board all connections and voltages OK B Replace G board voltages NG C Replace Plasma Panel Flex cable NG 23 FWD42PV1 Triage amp Troubleshooting FWD42PV 1 Overall Component Block Diag ram Single Address Scan AC Input Key Control Lines ACD Detects the presence of AC input No Red STBY LED if missing Relay Turns ON AC input relay No Relay click if missing VS ON Turns ON the VS power supply No VS voltage if H1 Board missing Optional Video Input Board PEN PDP 04 gt Power Supplies Display Panel Assembly YDT Board 8 Drive ICs YDB Board amp Drive ICs XLB address Board XRB address Board Control Board gt Panel Pixel Control Video Control Audio gt Audio Power to all Panel Amplifier Control Fan 1 e Control EE Control Fa Video Processing Audio Processing Main Microprocessor Fan Control AV Switching Control Bana Control EE VV WW Dala Temp Sensor 1 a ge e emp Sensor Video Input 2 HD15 Data Temp Sensor 3 H2 Board gt
8. the following pages for further failure symptoms and component replacement recommendations e Primary Defective Part A Secondary Defective Part AC Input Plasma Panel Triage Chart PDP 04 17 PFM42X1 Troubleshooting PFM 42X1 VS VA Vy Vsc Adjustments i MEIA Ra A E mp j 1 E et E a Been k pins 2 mem ER H HNK 7 e i e mei em ui if oo e i 5 2 a d q E GRND 4 i j A NOTE TETTE My F Wine e e META fisicos a CHAG pina 8 8 E A Fe mg EA e PDP 04 18 PFM42X1 Troubleshooting PFM 42X1 YDT amp YDB Resistance Check CAUTION Remove power from unit before making the resistance measurement D NOTE The resistance measurement between the com and VS voltage pads should read approximately 2MQ ohms with voltmeter leads oriented as shown in the diagram If the voltmeter leads are reverse the reading will be 1MQ A typical faulty reading is 500 ohms Replace the YDT or YDB if a low resistance is measured Wk ta ETC CK A OWE L PDP 04 19 Panel Distortion Diagrams XLT address Board XRT address Board PFM42X1 Troubleshooting No Video Horizontal Black Bar lower 1 2 of screen XLB address Board XRB address Board XLT address Board XRT address Board XLB address Board XRB address Board XLT address Board XRT address Board Zsus Scan Board XRB a
9. 0PX2 Model RGBYUV D COF Chip On Film Input a EJ FPC Flexible Printed Circui IC FFC Flat Flexible Cable DVI Input Audio Input Points for Disconnection General Plasma Panel Block Diagram PDP 04 Service Modes and Adjustments Accessing amp Navigating Service Modes PFM42V1 PFM42X1 FWD42PV1 FWD50PX2 ENTER gt 1 gt 8 2 Use the Right amp Left arrows to scroll through the main service mode categories Use the Up Down arrows to scroll through the sub category items Use the ENTER key to select and adjust a particular item PDP 04 ASI510 Main ASI510 Sub ADC UPD64012 Contrast Gamma G Bright Gamma B Sharp Y Noise Sharp C Black Expo Gamma R White Expo Contrast Gamma R Bright Gamma G Sharp Y Gamma B Sharp C ContrastR Bright B ContrastG Clock ContrastB Phase Bright R Auto Bright G AD Calibration PC CutOFF CONTG PC Gain CONTB DTV CutOFF ERTR DTV Gain ERTG CONTR ERTB Contrast IFC Bright CBW Staturation LDLY Hue YOF Bright CIP LPF2 Bright CIP PFC SATUR CIP PK TINT CIP DVCO Audio MDIN CONT MDIN SATUR MDIN BRT BOOST SURROUND BALANCE White Balance COLOR TEMP SUB GAIN R GAIN SUB PK G GAIN SUB PFS B GAIN ROFFSET SUB SHARP SHARP THRD LARGE EDGE G OFFSET B OFFSET SUB OFFSET PBPR BAL General Information F Inital
10. EMCSA A Service Company 16530 Via Esprillo San Diego CA 92127 PDP040607 Reproduction in whole or part without written permission is prohibited All rights reserved 06 08 07
11. IGY O IG TEN Leen pap pe pap pe en pal O o C a pp OO pre Esso IA e O IS E EOS IO dd CTO a SPEE a NOTE Check the Panel Distortion diagrams on the following pages for further failure symptoms and Immediate Shutdown component replacement recommendations e Primary Defective Part A Secondary Defective Part E Last Resort Improbable Defective Part Triage Chart PDP 04 AA FWD50PX2 Troubleshooting FWD 50PX2 VS H Isi eaa VA Vy Vsc u Sass Adjustments HE D d BR Vsc GRND VS TP CN806 pins 1 2 3 g VA TP CN806 pins 9 amp 10 Two Vertically mounted boards on the Ysus Board N PDP 04 45 PDP 04 FWD 50PX2 YDT amp YDB Resistance Check FWD50PX2 Troubleshooting CAUTION Remove power from unit before making the resistance measurement NOTE The resistance measurement between the com and VS voltage pads should read approximately 3M ohms with voltmeter leads oriented as shown in the diagram lf the voltmeter leads are reverse the reading will be infinite A typical faulty reading is 500 ohms Replace the YDT or YDB if a low resistance is measured 46 Panel Distortion Diagrams No Video Horizontal Black Bar lower 2 of screen 1 Confirm secure connections between YDT and YDB boards Check Flex Cable between YDB and Panel Assembly for physical damge Replace YDB board connections Flex Cable OK Replace Panel Assembl
12. Power Sw gt IR Sensor BKM V10 gt LEDS Composite Input 24 FWD242PV1 Troubleshooting FWD 42V1 Top of TV Temp G Board Ysus Board Zsus Board A Board L Brd Rear View Control Board XL Board XR Board PCB Location Diagram PDP 04 25 FWD42PV1 Troubleshooting KR ete adia eta a KE Stationary Vor Bed LED ON No Bed LED No Video Green get ale DAS LED Flash H Line Failure No Green LED Jajaj jaj o oe a y o a mam Ae je a Yo o alo a mam INE ef O IO Lem e Leen el OS IS IS IS IS IS II O E O d em el pp pp pp jp o trim me el III Lummen rms el p jp jp Lummen rms el III Lummen rms el p II Lummen Pmem LI IO IO IO e E o Leen arpa O te Ya O lm Ya O e Ap ja pp pp Lsv mamen Esc IA e o o o o Tor E O O STO a ee 8 NOTE Check the Panel Distortion diagrams on the following pages for further failure symptoms and Immediate Shutdown component replacement recommendations e Primary Defective Part A Secondary Defective Part E Last Resort Improbable Defective Part Triage Chart PDP 04 26 FWD42PV1 Troubleshooting Ysus Board A FWD 42PV1 VS VA Vy Vsc Adjustments VS TP CN807 pins 1 2 VS 8 VA d GRND VA TP CN806 pin 6 PDP 04 21 PDP 04 FWD 42PV1 YDT
13. R and the flex cables between the XR Control XL Board and Panel for physical damage Replace Panel Assembly for defective flex cable ICs Control Board amp XL address Board Single Vertical Black Line left side of screen 3 Replace Control XL 1 Confirm secure 2 _ Check the drive ICs on E J K connections between Control the flex cables between the dare Ens XL Board and the Panel Control XL board and Panel for Assembly physical damage Replace Panel Assembly for defective flex cable ICs XR address Board PDP 04 12 PFM42V1 Troubleshooting Single Horizontal Black Line upper half of screen 1 Confirm secure connections between YDT and Panel Assembly Replace Panel Assembly if flex cable is damaged XR address Board Control Board amp XL address Board 2 Check the drive ICs on the YDT board for physical damge Replace YDT board if Ics are damaged Single Horizontal Black Line lower half of screen 15t Confirm secure connections between YDB and Panel Assembly XR address Board Control Board amp XL address Board 2 _ Check the drive ICs on the YDB board for physical damage Replace YDB board if ICs are damaged Less Than Y Screen Horizontal Black Bar the screen XR address Board Control Board amp XL address Board PDP 04 1 Replace the YDT or YDB board depending on
14. RT board Single Vertical Black Line right side of screen 4 Confirm secure 2 Check the drive ICs on connections between XLT the flex cables between the XR and Panel Assembly and Panel for physical damage Replace Panel Assembly for defective Flex cable Ics and or damaged Flex cable NOTE This same type of symptom can occur due to a defective XRT board The single black line will occur in the lower right quadrant below the XRT board Single Vertical Black Line left side of screen 2 _ Check the drive ICs on the flex cables between the XLB board and Panel for physical damage 15t Confirm secure connections between XLB Board and the Panel Assembly Replace Panel Assembly for defective flex cable ICs NOTE This same type of symptom can occur due to a defective XRB board The single black line will occur in the lower right quadrant above the XRB board PFM42X1 Troubleshooting ao Replace XLT board connections and ICs OK 3 Replace XLB board Flex cable and ICs OK 21 PDP 04 XLT address Board XRT address Board XLB address Board XRB address Board XLT address Board XRT address Board XLB address Board XRB address Board XLT address Board XRT address Board XLB address Board XRB address Board PFM42X1 Troubleshooting Single Horizontal Black Line upper half of screen 1 Confirm secure 2 _ Check the drive ICs on connections betwe
15. SONY TTS Guide Plasma Panel Monitors Triage amp Troubleshooting Guide d o a i pr i d a Le 9 A DEM FWD42PV1 FWD50PX1 FWD50PX2 PFM42V1 Plasma Monitors Models PFM42V 1 PFM42X1 FWD42PV1 FWD50PX1 FWD50PX2 Triage and Troubleshooting Course PDP 04 Table of Contents General PFM 8 FWD Plasma Monitor Information 2 General Plasma Panel Block Diagram 2 Service Modes and Adjustments 2ssssssssss 3 Accessing amp Navigating Service Modes 3 PFM42V1 PFM42X1 FWD42PV1 FWD5SOPX2 3 AB a rene mee ere ed 4 Place unit in Standby Mode 4 Board Replacement amp Adiustments 5 Keele el 5 o eege ENEE 5 E EE 5 Plasma Panel Voltage Label en 5 PFM42V1 Triage amp Troubleshooting 6 Overall Component Block Diagram 6 POB Locauom DiaG ram asia ici lapices T Mage Chal EE a 8 PFM 42V1 VS VA Vy VecAdiusimente 9 PFM 42V1 YDT amp YDB Resistance Check 10 Panel Distortion Diagrams eee 11 PFM42X1 Triage amp Troubleshooting 15 Overall Component Block Diagram aanneanennnanneenennenn 15 PCB Location Diagram cccccccssccsscecsseeceeeseusesseeeaeeens 16 Ugen ads ads a du cp 17 PFM 42X1 VS VA Vy Vsc Adjustments
16. T address Board XRT address Board PFM42X1 YDT Board 8 Drive ICs Ysus S Dual Address SE Scan YDB Board 8 Drive ICs XLB address Board XRB address Board Control Board gt Panel Pixel Control Video Control Power to all Panel Assb PCBs AC Input gt Audio Amplifier gt Power Supplies CN801 Control Fai eeng WW ef RELAY E Terme SE eng d eg Control SE Control Video Processing Audio Processing Main Microprocessor Kal Di 3 oO Key Control Lines ACD Detects the Control ESA VUVVV presence of AC Fan Control input No Red STBY AV Switching p Data LED if missing Temp Sensor 1 AC input relay No Video Input 1 DVI emp Sensor Relay click if missing pals VS ON Turns ON Video Input 2 HD 15 Temp Sensor 3 the VS power supply No VS voltage if zeg missing Optional Video H2 Board Input Board 2 q Boia BKM V10 gt Composite Input LEDS 15 PFM42X1 Troubleshooting PFM 42X1 Top of TV Rear View XRT Board XLT Board Control Board XLB Board XRB Board PCB Location Diagram PDP 04 16 PFM42X1 Troubleshooting Board Reference Red LED ON No Red LED Stationary V or H No Video Green No Video Green Ame EELS Mormon LED We Green LED Line Failure LED No Primer LED Primer OK NO Audio Part NOTE Check the Panel Distortion diagrams on
17. XR address Board PDP 04 qnd no A Replace Zsus board all connections and voltages OK B Replace G board voltages NG C Replace Plasma Panel Flex cable NG 32 FWD50PX1 Overall Component Block Diagram PDP 04 AC Input Key Control Lines ACD Detects the presence of AC input No Red STBY LED if missing Relay Turns ON AC input relay No Relay click if missing VS ON Turns ON the VS power supply No VS voltage if missing Dual Address ae Optional Video TEKNA O TT Input Boards FWD50PX1 Triage amp Troubleshooting Display Panel Assembly YDT Board amp Drive ICs Ysus Board Scan YDB Board amp Drive ICs Address Board Address Board Address Board Address Board Control Board gt Panel Pixel Control KL A Power to all Panel Control Assb PCBs Power H2 Board gt Power Switch gt Switches H1 Board gt IR Sensor gt LEDS gt Video Processing gt Main Microprocessor gt Power Supplies SP Board Control Audio gt Audio be i Amplifier Control Fan 1 Control Fan 2 p Control Fan 3 3 Control Fan 4 Fan 4 pala Temp Sensor 1 Sensor 1 gt Audio Processing gt Fan Control gt AV Switching Video Input 1 DVI Video Input 2 HD15 I Composite Input BKM V11 Data Temp Sensor 2 Component Inp
18. ccur due to any defective address boards The black box will occur in the lower or upper part of the screen below or above a particular address board Single Vertical Black Line 2 _ Check the drive ICs on the flex cables between the Address and Panel for physical damage 1 Confirm secure connections between Address board and Panel Assembly Replace Panel Assembly for defective Flex cable ICs and or damaged Flex cable NOTE This same type of symptom can occur due to any defective address boards The black box will occur in the lower or upper part of the screen below or above a particular address board Single Vertical Black Line 2 Check the drive ICs on the flex cables between the Address board and Panel for physical damage 1 Confirm secure connections between Address Board and the Panel Assembly Replace Panel Assembly for defective flex cable ICs NOTE This same type of symptom can occur due to any defective address boards The black box will occur in the lower or upper part of the screen below or above a particular address board FWD50PX1 Troubleshooting 3 _ Replace Address board connections and ICs OK 3 _ Replace Address board Flex cable and ICs OK 39 PDP 04 FWD50PX1 Troubleshooting Address Address Address Address Board Board Board Board Single Horizontal Black Line upper half of screen 1 Confirm secure 2 d Che
19. ck the drive ICs on connections between YDT the YDT board for physical and Panel Assembly damage Replace Panel Assembly if Replace YDT board if Ics are flex cable is damaged damaged Address Address Address Address Board Board Board Board Address Address Address Address Board Board Board Board Single Horizontal Black Line lower half of screen 1 Confirm secure 2 _ Check the drive ICs on connections between YDB the YDB board for physical and Panel Assembly damage Replace YDB board if ICs are damaged Address Address Address Address Board Board Board Board Address Address Address Address Board Board Board Board Less Than Y Screen Horizontal Black Bar 1 Replace the YDT or YDB board depending on where the horizontal black bar is located on the screen Note One drive IC fails on the YDT or YDB board fails causing the successive drive ICs to not function This symptom a Black Bar less than Y the screen can be located in the top or bottom half of the screen depending on if the failed IC is on the YDT or YDB board Address Address Address Address Board Board Board Board 40 PDP 04 Address Address Address Address Board Board Board Board FWD50PX1 Troubleshooting No Video Black Raster 1 Check Flex cable connections between Ysus 8 YDT YDB boards xsus Check VS and 5V power supplies to SE Ysus board Check for screen Priming Replace G boa
20. ddress Board PDP 04 1 Confirm secure connections between Ysus and YDB boards Check Flex Cable between YDB and Panel Assembly for physical damge Replace YDB board connections amp Flex Cable OK Replace Panel Assembly Flex Cable NG No Video Horizontal Black Bar upper 1 2 of screen 1 Confirm secure connections between Ysus and YDT boards Check Flex Cable between YDT and Panel Assembly for physical damge Replace YDT board connections Flex Cable OK Replace Panel Assembly Flex Cable NG No Video Vertical Black Box 1 4 of screen 15t Confirm secure connections between XLB Board and the Panel Assembly Replace XLB Board connections Flex Cable OK Replace Panel Assembly Flex Cable NG NOTE This same type of symptom can occur due to a defective XRB board The black box will occur in the lower right quadrant above the XRB board 20 PDP 04 XRT address Board XLB address Board XRB address Board XRT address Board XLB address Board XRB address Board XLT address Board XRT address Board XRB address Board No Video Vertical Black Box 1 4 of screen 1 _ Confirm secure connections between XLT Board and the Panel Assembly Replace XLT Board connections amp Flex Cable OK Replace Panel Assembly Flex Cable NG NOTE This same type of symptom can occur due to a defective XRT board The black box will occur in the upper right quadrant below the X
21. en YDT the YDT board for physical and Panel Assembly damge Replace Panel Assembly if Replace YDT board if Ics are flex cable is damaged damaged Single Horizontal Black Line lower half of screen 1 Confirm secure 2 _ Check the drive ICs on connections between YDB _ the YDB board for physical and Panel Assembly damage Replace YDB board if ICs are damaged Less Than Y Screen Horizontal Black Bar 1 Replace the YDT or YDB board depending on where the horizontal black bar is located on the screen Note One drive IC fails on the YDT or YDB board fails causing the successive drive ICs to not function This symptom a Black Bar less than Y the screen can be located in the top or bottom half of the screen depending on if the failed IC is on the YDT or YDB board 22 XLT address Board XRT address Board Zsus Scan Board XLB address Board XRB address Board XLT address Board XRT address Board XLB address Board XRB address Board PDP 04 PFM42X1 Troubleshooting No Video Black Raster 1 _ Check Flex cable connections between Ysus amp YDT YDB boards Check VS and 5V power supplies to Ysus board Check for screen Priming Replace G board Volatge s NG Replace Ysus Priming NG Replace Control XL Board Priming OK 2 Check connections between Ysus and Control boards are secure Connections amp Voltages OK A Replace Ysus B Replace Control
22. eo Horizontal Black Bar lower 1 2 of screen 1 Confirm secure connections between Ysus and YDB boards Check Flex Cable between YDB and Panel Assembly for physical damge Replace YDB board connections amp Flex Cable OK Replace Panel Assembly Flex Cable NG XR address Board Control Board XL address Board No Video Horizontal Black Bar upper 1 2 of screen 1 Confirm secure connections between Ysus and YDT boards Check Flex Cable between YDT and Panel Assembly for physical damge Replace YDT board connections amp Flex Cable OK Replace Panel Assembly Flex Cable NG XR address Board Control Board XL address Board No Video Vertical Black Bar 1 2 of screen 1 _ Confirm secure connections between Control XL Board and the Panel Assembly Replace Control XL Board connections 4 Flex Cable OK Replace Panel Assembly Flex Cable NG XR address Board PDP 04 11 PFM42V1 Troubleshooting No Video Vertical Black Bar 1 2 of screen 1 Confirm secure connections 2 Confirm 5V and VA 3 Replace boards in the between XR and Control XL voltages to XR board following order Boards A Replace XR Board B Replace Control Board Control Board amp XL address Board Single Vertical Black Line right side of screen 1 Confirm secure 2 _ Check the drive ICs on 3 _ Replace XR board connections between X
23. ization EEPROM INIT Model No Except WB Fill OxFF Only WB Init S Init Good Elapsed Time Serial Mode Serial No AGING ON OFF FAN ON OFF INIT GOOD For Sony Temper SUB CHROMA S INIT GOOD FAN FOR TEST SELECT RS232 ature REFER SAVE SENSOR3 SENSOR1 SENSOR2 WB Default Data PC DVI Video Copy WB Data DTV General Information FWD50PX1 Place unit in Standby Mode EEPROM Initialize Chroma Decider Press DISPLAY 5 VOL POWER AD Converter A D Converter Adjustment A l i 4 White Balance Adjustment Use the Right amp Left arrows to scroll through the main service mode ee categories Manual Control Preset Edit Service Staus Adjustments per Repair amp Board Replacement When any repair related to picture quality is perfromed White Balance When B board andor it s peripheral is replaced AD Converter When PDP is replaced White Balance When Q board and or it s peripheral is replaced AD Converter PDP 04 4 Label located on the back of the PDP Vy Plasma Panel Voltage Label Use the Up Down arrows to scroll through the sub category items Use the ENTER key to select and adjust a particular item Board Replacement amp Adjustments G Board Adjustment VA VS per the levels indicated on the label located on the rear of the Plasma panel Input and display a Full White raster for
24. l Assembly damage Replace Panel Assembly if Replace YDB board if ICs are flex cable is damaged damaged XL address Board XR address Board Less Than Y Screen Horizontal Black Bar 1 _ Replace the YDT or YDB board depending on where the horizontal black bar is located on the screen Note One drive IC fails on the YDT or YDB board fails causing the successive drive ICs to not function This symptom a Black Bar less than 2 the screen can be located in the top or bottom half of the screen depending on if the failed IC is on the YDT or YDB board XL address Board XR address Board PDP 04 31 No Video Black Raster 1 Check Flex cable connections between Ysus amp YDT YDB boards Check VS and 5V power supplies to Ysus board Check for screen Priming Replace G board Volatge s NG Replace Ysus Priming NG Replace Control Board Priming OK XL address Board XR address Board 2 _ Check connections between Ysus and Control boards are secure Connections amp Voltages OK A Replace Ysus B Replace Control board FWD42PV1 Troubleshooting 3 Check all voltages and connections to Zsus board Replace Zsus connections amp voltages OK Pixelization amp Black Areas In Video 1 _ Confirm connections and power supply voltages VS amp 5V to Zsus board are secure Confirm Flex cable connections between Zsus board and Panel XL address Board
25. nd Panel for physical damage Replace Panel Assembly for defective flex cable ICs XL address Brd XC address Brd Single Vertical Black Line left side of screen 4 Confirm secure 2 4 _ Check the drive ICs on connections between XL and the flex cables between the XL Control Board and Panel for physical damage 3 Replace XL board Replace Panel Assembly for defective flex cable ICs NOTE This same type of symptom can occur due to a defective XC board The single black line will occur in the center of the screen above the XC board XC address Brd XR address Brd PDP 04 48 PDP 04 XL address Brd XC address Brd XR address Brd XL address Brd XC address Brd XR address Brd XL address Board XR address Board FWD50PX2 Troubleshooting Single Horizontal Black Line upper half of screen 1 Confirm secure 2 Check the drive ICs on connections between YDT the YDT board for physical and Panel Assembly damge Replace Panel Assembly if Replace YDT board if Ics are flex cable is damaged damaged Single Horizontal Black Line lower half of screen 1 _ Confirm secure 2 L Check the drive ICs on connections between YDB the YDB board for physical and Panel Assembly damage Replace YDB board if ICs are damaged Single Defective Driver Board Buffer IC on YDT or YDB Board 1 _ Replace the YDT or YDB board depending on where the horizon
26. nfirm secure connections 2 Confirm 5V and VA 3 Replace boards in the between XR XL and Control voltages to XR board following order Boards A Replace XR Board B Replace Control Board XL address Board Single Vertical Black Line right side of screen 1 Confirm secure 2 _ Check the drive ICs on 3 Replace XR board connections between XR XL the flex cables between the XR and Control Boards and Panel for physical damage Replace Panel Assembly for defective flex cable ICs XL address Board Single Vertical Black Line left side of screen 3 Replace XL board nd i 2 Check the drive ICs on Flex ICs OK the flex cables between the XL board and Panel for physical damage 145 Confirm secure connections between XL Board and the Panel Assembly Replace Panel Assembly for defective flex cable ICs XR address Board PDP 04 30 FWD242PV1 Troubleshooting Single Horizontal Black Line upper half of screen 1 Confirm secure 2 _ Check the drive ICs on connections between YDT the YDT board for physical and Panel Assembly damge Replace Panel Assembly if Replace YDT board if Ics are flex cable is damaged damaged XL address Board XR address Board Single Horizontal Black Line lower half of screen 1 Confirm secure 2 _ Check the drive ICs on connections between YDB the YDB board for physical and Pane
27. ontrol Board amp XL Board PCB Location Diagram XR Board PDP 04 7 PFM42V1 Troubleshooting Board Reference Red LED ON No Red LED Stationary V or H No Video Green No Video Green i Amber LEDON ve Green LED Me Green LED Line Failure LED No Primer LED Primer oK NO Audio 1 761 875 11 1 761871 11 1 805 424 11 1 761 812 11 o Check Condition NOTE Check the Panel Distortion diagrams on the following pages for further failure symptoms and component replacement recommendations o Primary Defective Part A Secondary Defective Part Triage Chart PDP 04 8 PFM42V1 Troubleshooting PFM 42V1 VS VA Vy Vsc NOTE Measure Vy amp Vsc across resistors VA TP AT CN806 pins 1 amp 2 VS Adi RV203 BUSS a VS TP CN806 pins 8 9 10 PDP 04 9 PDP 04 Ze a 7 2 m mu Ch Ze E BI SS Ze 2 a PFM 42V1 YDT amp YDB Resistance Check PFM42V1 Troubleshooting CAUTION Remove power from unit before making the resistance measurement NOTE The resistance measurement between the com and VS voltage pads should read approximately 3M ohms with voltmeter leads oriented as shown in the diagram If the voltmeter leads are reverse the reading will be infinite A typical faulty reading is 500 ohms Replace the YDT or YDB ifa low resistance is measured 10 PFM42V1 Troubleshooting Panel Distortion Diagrams No Vid
28. rd Volatge s NG Replace Ysus Priming NG Replace Control XL Board Priming OK Address Address Address Address Board Board Board Board Address Address Address Address Board Board Board Board 2 _ Check connections 3 Check all voltages and between Ysus and Control connections to Xsus board boards are secure Connections 8 Voltages OK Replace Xsus connections 8 A Replace Ysus voltages OK B Replace Control board Pixelization Black Areas In Video 4St Confirm connections and power supply voltages VS 8 5V to Zsus board are secure Confirm Flex cable connections between Zsus board and Panel P P F Address Address Address Address Board Board Board Board qnd A Replace Zsus board all connections and voltages OK B Replace G board voltages NG C Replace Plasma Panel Flex cable NG 41 FWD50PX2 Triage amp Troubleshooting FWD50PX2 Overall Component Block Diagram PDP 04 Key Control Lines ACD Detects the presence ofAC input No Red STBY LED if missing Relay Turns ON AC input relay No Single Address Scan gt Power Relay click if missing VS ON Turns ON the VS power supp No VS voltage if missing ly Optional Video Input Boards Supplies Display Panel Assembly Ysus Scan YDT Board 8 Drive ICs Ysus Scan YDT Board 8 Drive ICs XL address Brd XC address Brd XR addres
29. s Brd Control Board gt Panel Pixel Control Video Control Audio Control Ban 1 e Control Fan 2 Control Video Processing Audio Processing Main Microprocessor Fan Control AV Switching 1 D 5 O Control Tn Di 3 E Control VV WV 1 D 5 al Control 1 D O Video Input 1 DVI Data Video Input 2 HD15 H1 Board E BKM V10 l Composite Input BKM V11 Component Input Data Data Board gt Power Sw gt IR Sensor gt LEDS gt Audio Amplifier Temp Sensor 1 Temp Sensor 2 Temp Sensor 3 jal 42 FWD50PX2 Troubleshooting FWD 50PX2 T pofTV Rear View H2 Brd A Board YDT Ysus Board Control Board YDB XL Board XC Board XR Board H1 Brd PCB Location Diagram PDP 04 43 FWD50PX2 Troubleshooting di EEES a Red LED ON No Red LED Stationary V or No Video Green presen romao wn LED Flash No Green LED No Green LED H Line Failure LED No Primer OK Part Jaja ae jaj o o a o o a mmm Ae jo a oe o a a mmm mag e 1 a po tres ep op pp pp K T e jp Lummen mn op Ja pp jp crec mm el 1 pp op po poo trar mel el 1 pp pp po op poo term me el pp pp pp po op o poo term fs el pp 14 pp AAL o poo trar ms el 1 pp pp op o poo trar me el AK 14 pp po op o poo trar eme
30. tal black bar is located on the screen Note One drive IC fails on the YDT or YDB board fails causing the successive drive ICs to not function H E 1 This symptom a Black Bar less than Y the screen can be located in the top or bottom half of the screen depending on if the failed IC is on the YDT or YDB board 49 No Video Black Raster 1 Check flex cable connections between Ysus YDT YDB boards zsus Check VS and 5V power supplies Scan to Ysus board Board Replace G board Volatge s NG Replace Ysus Priming NG Replace Control Board Priming OK XL address Brd XC address Brd XR address Brd 2 Check connections between Ysus and Control boards are secure Connections amp Voltages OK A Replace Ysus B Replace Control board Pixelization amp Black Areas In Video 1 _ Confirm connections and power supply voltages VS amp 5V to Zsus board are secure Confirm Flex cable connections between Zsus board and Panel XL address Brd XC address Brd XR address Brd PDP 04 qnd no FWD50PX2 Troubleshooting 3 Check all voltages and connections to Zsus board Replace Zsus connections amp voltages OK A Replace Zsus board all connections and voltages OK B Replace G board voltages NG C Replace Plasma Panel Flex cable NG 90 S ONY and i Link are trademarks of Sony Electronics SONY 2007 Sony Electronics Inc
31. ut Ee l Data Temp Sensor 3 33 FWD50PX1 Troubleshooting FWD 50PX1 Top of TV Rear View H2 Brd Address Board Address Board Address Board Address Board S Brd Digital Video YDT Board l l l Q Board i Power Unit l l Board l l l l I X Drive l YDB Interface Board SP Board Address Board Address Board Address Board Address Board H1 Brd PCB Location Diagram PDP 04 34 FWD50PX1 Troubleshooting FWD50PX1 Board Reference Al ternate p No Video No Video Red LED ON Stationary V or H No Red LED Red amp Green Amber LED ON Green LED No Green LED No Audio No Green LED Line Failure No Green LED Part LED Flash Primer Primer OK cet fofa feto o pao fo fam EE IC O i i ero vam e _ a eros Piven i ror ell CCT men fel Fr me pel Fer me gt pel _ Farr we gt pel _ era NEC AS A IA IS SIS IS IO EC MOSCA A OS E OE OS PP SON ER Problem Panel Temp Fan o ev 4 NOTE Check the Panel Distortion diagrams on the following pages for further failure symptoms and Immediate Shutdown component replacement recommendations o Primary Defective Part A Secondary Defective Part m Last Resort Improbable Defective Part Triage Chart PDP 04 35 FWD50PX1 Troubleshooting NOTE Check the voltage label on the rear of the panel for the proper VSUS and VADR voltage levels The VSUS
32. where the horizontal black bar is located on Note One drive IC fails on the YDT or YDB board fails causing the successive drive ICs to not function This symptom a Black Bar less than Y the screen can be located in the top or bottom half of the screen depending on if the failed IC is on the YDT or YDB board 13 No Video Black Raster 15t Check Flex cable connections between Ysus amp YDT YDB boards Check VS and 5V power supplies to Ysus board Check for screen Priming Replace G board Volatge s NG Replace Ysus Priming NG Replace Control XL Board Priming OK XR address Board 2 Check connections between Ysus and Control boards are secure Connections amp Voltages OK A Replace Ysus B Replace Control board PFM42V1 Troubleshooting 3 Check all voltages and connections to Zeus board Replace Zsus connections amp voltages OK Pixelization amp Black Areas In Video 15t Confirm connections and power supply voltages VS 8 5V to Zsus board are secure Confirm Flex cable connections between Zsus board and Panel XR address Board Control Board amp XL address Board PDP 04 qnd pon A Replace Zsus board all connections and voltages OK B Replace G board voltages NG C Replace Plasma Panel Flex cable NG 14 PFM42X1 Triage amp Troubleshooting Overall Component Block Diagram PDP 04 Display Panel Assembly XL
33. y Flex Cable NG XL address Brd XC address Brd XR address Brd No Video Horizontal Black Bar upper Y of screen 1 Confirm secure connections between Ysus and YDT boards Check Flex Cable between YDT and Panel Assembly for physical damge Replace YDT board connections amp Flex Cable OK Replace Panel Assembly Flex Cable NG XL address Brd XC address Brd XR address Brd No Video Vertical Black Bar 1 3 of screen 1 Confirm secure connections 2 _ Confirm 5V and VA between XL and Control Boards voltages to XL board XC address Brd XR address Brd PDP 04 FWD50PX2 Troubleshooting 3 Replace boards in the following order A Replace XL Board B Replace Control Board 47 FWD50PX2 Troubleshooting No Video Vertical Black Bar 1 3 of screen 1 Confirm secure connections 2 _ Confirm 5V and VA 3 Replace boards in the between XR and Control Boards voltages to XR board following order A Replace XR Board B Replace Control Board Note This same symptom can occur due to a defective XC board Follow the same step listed above for the XL board to troubleshoot a possible defective XC board XL address Brd XC address Brd Single Vertical Black Line right side of screen 1 Confirm secure 2 L Check the drive ICs on 3 Replace XR board connections between XR and the flex cables between the XR Control Board a
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