Philips LC320WXD, Service Manual

Page 1: ...of Philips Colour Television Module LPL LG Philips LCD LCD 2k8 LC320WXD LC320WXN LC370WUF LC370WXE LC420WUE LC420WUF LC420WXE LC470WUE LC470WUF Contents Page 1 Technical Specifications Connections and Chassis Overview 2 2 Safety Instructions Warnings and Notes 4 3 Directions for Use 5 4 Mechanical Instructions 6 5 Service Modes Error Codes and Fault Finding 18 6 Block Diagrams Test Point Overviews...

Page 2: ...ary information to perform the Board Level Repair board swap scenario on LCD panels These LCD repair manuals are created per brand and they will contain all necessary information for the different panels used in Philips flat LCD TVs 1 2 General Figure 1 1 LPL board labelling H_16890_024 eps 230507 Number of order progress The Marking position could be different each model of T Con or inverter P N ...

Page 3: ...SXGA 2560X2048 G QUXGA 3200X2400 W Wide J CIF N NTSC P PAL B NTSC PAL C SECAM A NTSC PAL SECAM D HD 1 99 AA ZZ ex LP141X09 LP141X10 LP141X99 LP141XAA Development T TN Twist Numeric S IPS In Plane Switching A Z Ex P1 A P2 B P3 C P4 D P5 E P6 F P7 G Display Mode Product Revision Code A Best A1 Good B Not bed Quality Grade VGA 640 x 480 SVGA 800 x 600 XGA 1 024 x 768 SXGA 1 280 x 1 024 SXGA 1 400 x 1...

Page 4: ...with excessive force may cause the core of the cable to be exposed or break the cable and this can lead to fire or electric shock This product contains glass If shock vibration heat or distortion is applied to the product the glass may be broken If glass surface of the display breaks or is scratched do not touched the broken pieces or the scratched with bare hands You may be injured LCD Module req...

Page 5: ...ule It eventually can make the TCP crack or lead to other unexpected defects Let the Backlight Wire at the backside of the LCD Module If let the Backlight wire in front of the LCD Module the Backlight connector can hurt the surface of the polariser Never dis connect at power ON The LCD Module consists of CMOS components which are known as weak components against EOS It can damage the product Elect...

Page 6: ...ger caused by electrical sparks Never replace modules or other components while the unit is switched on Connectors to and from the Inverter Boards must be thoroughly connected to avoid any electrical sparks during operation 4 1 2 Inverter repair policy Note When an LCD display has a master and slave inverter configuration and one of these boards is defective it is advised to replace both the inver...

Page 7: ...tions T CON board Prepare the LCM Separate the Screw 3EA Separate the Cover Shield I_17780_009 eps 180408 MODEL LC320WXD SAB1 Separate the FFC 60pin Separate the T CON Board Attach the Cover Shield and Assemble the Screw 3EA Check the FFC 60pin Replace of T CON Board and Assemble the FFC 60pin Guide Pin station keeping check ...

Page 8: ...ructions Inverter master board Prepare the LCM Separate the Screw 3EA Separate the Cover Shield I_17780_010 eps 180408 MODEL LC320WXD SAB1 Unlock of Connector and sperate the Wire Connector 2pin Separate the Inverter Attach the Cover Shield and Assemble the Screw 3EA Assemble the Wire Connector 2pin ...

Page 9: ...tions T CON board Separate the FFC 60pin Separate the T CON Board Attach the Cover Shield and Assemble the Screw 2EA Check the FFC 60pin Replace of T CON Board and Assemble the FFC 60pin Guide Pin station keeping check Prepare the LCM Separate the Screw 2EA Separate the Cover Shield I_17780_001 eps 160408 MODEL LC320WXN SAA1 ...

Page 10: ...lacement instructions Inverter master board Separate the Inverter Attach the Cover Shield and Assemble the Screw 3EA Assemble the Wire Connector 2pin I_17780_002 eps 160408 MODEL LC320WXN SAA1 Prepare the LCM Separate the Screw 3EA Unlock of Connector and sperate the Wire Connector 2pin ...

Page 11: ...the Inverter Board located on the PSU This is a so called IPB Integrated Power Board MODEL LC370WUF SAB1 Separate the 96pin FFC Separate the T CON Board Replace of T CON Board and Assemble the 96pin FFC Guide Pin station keeping check Attach the Cover Shield and Assemble the Screw 3EA Check the FFC 96pin I_16892_018 eps 150808 Prepare the LCM Separate the Screw 3EA Separate the Cover Shield ...

Page 12: ...the Inverter Board located on the PSU This is a so called IPB Integrated Power Board Prepare the LCM Separate the Screw 3EA Separate the Cover Shield Separate the 60pin FFC Separate the T CON Board Replace of T CON Board and Assemble the 60pin FFC Guide Pin station keeping check Attach the Cover Shield and Assemble the Screw 3EA Check the FFC 60pin I_17781_001 eps 140708 MODEL LC370WXE SAA1 ...

Page 13: ...the Inverter Board located on the PSU This is a so called IPB Integrated Power Board Prepare the LCM Separate the Screw 3EA Separate the Cover Shield Separate the 60pin FFC Separate the T CON Board Replace of T CON Board and Assemble the 60pin FFC Guide Pin station keeping check Attach the Cover Shield and Assemble the Screw 3EA Check the FFC 60pin I_17780_003 eps 160408 MODEL LC420WUE SAB1 ...

Page 14: ...the Inverter Board located on the PSU This is a so called IPB Integrated Power Board Separate the 96pin FFC Separate the T CON Board Replace of T CON Board and Assemble the 96pin FFC Guide Pin station keeping check Attach the Cover Shield and Assemble the Screw 3EA Check the FFC 96pin Prepare the LCM Separate the Screw 3EA Separate the Cover Shield I_17780_004 eps 160408 MODEL LC420WUF SAC1 ...

Page 15: ...the Inverter Board located on the PSU This is a so called IPB Integrated Power Board Prepare the LCM Separate the Screw 3EA Separate the Cover Shield I_17780_005 eps 160408 MODEL LC420WXE SAA1 Separate the 60pin FFC Separate the T CON Board Replace of T CON Board and Assemble the 60pin FFC Guide Pin station keeping check Attach the Cover Shield and Assemble the Screw 3EA Check the FFC 60pin ...

Page 16: ...the Inverter Board located on the PSU This is a so called IPB Integrated Power Board Prepare the LCM Separate the Screw 3EA Separate the Cover Shield I_17780_006 eps 160408 MODEL LC470WUE SAB1 Separate the 96pin FFC Separate the T CON Board Replace of T CON Board and Assemble the 96pin FFC Guide Pin station keeping check Attach the Cover Shield and Assemble the Screw 3EA Check the FFC 96pin ...

Page 17: ...e the Inverter Board located on the PSU This is a so called IPB Integrated Power Board Separate the 96pin FFC Separate the T CON Board Replace of T CON Board and Assemble the 96pin FFC Guide Pin station keeping check Attach the Cover Shield and Assemble the Screw 3EA Check the FFC 96pin I_17780_007 eps 160408 MODEL LC470WUF SAC1 Prepare the LCM Separate the Screw 3EA Separate the Cover Shield ...

Page 18: ...1107 Case 1 Abnormal Display T CON Solder defect CNT Broken Case 2 Abnormal Display Case 3 Abnormal Display Case 4 Abnormal Display Case 5 Abnormal Display Case 6 Abnormal Display Abnormal Power section Case 7 Noise Solder defect Short Crack Case 8 Abnormal Display Abnormal Power section Case 9 Noise Solder defect Short Crack Case 10 Abnormal Display Abnormal Power section Case 11 Abnormal Display...

Page 19: ...ertical line D IC abnormal output Case 27 Vertical block D IC Crack TCP COF abnormal bonding Case 28 Vertical block D IC Crack TCP COF abnormal bonding Case 29 Horizontal block D IC Crack TCP COF abnormal bonding Case 30 Horizontal block D IC Crack TCP COF abnormal bonding Case 31 Horizontal line D IC abnormal output Case 32 Horizontal block D IC Crack TCP COF abnormal bonding Case 33 Horizontal b...

Page 20: ...ct Transistor FFC Flat Foil Cable FPC Flexible Printed Circuit IC Integrated Circuit IPB Integrated Power Board PSU incl inverter LCD Liquid Crystal Display LCM Liquid Crystal Module LED Light Emitting Diode LPL LG Philips LCD supplier PCB Printed Circuit Board same as PWB PSU Power Supply Unit PWB Printed Wiring Board same as PCB RGB Red Green Blue colour space TCP Tape Carrier Package 9 3 IC Dat...