Philips T260XW02V4 Service Manual Download Page 27

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Service Modes, Error Codes, and Fault Finding

EN 27

LCD AUO 2k7

Figure 5-2 Symptom/Cure overview: replace the inverter/IPB in case of this symptom

Figure 5-3 Fault Finding in the inverter parts

B/L shut down

No Display

H_16901_025.ep

261007

H_16901_017.ep

171007

Summary of Contents for T260XW02V4

Page 1: ...evision Module AUO ACER UNIP OPT LCD 2k7 T260XW02V4 T260XW02V401 T260XW03V1 T296XW01V0 T296XW01V3 T315XW01V5 T315XW02VD01 T370XW01V1 T370XW02V5 T420HW01V2 T420XW01V8 Contents Page 1 Technical Specifications Connections and Chassis Overview 2 2 Safety Instructions Warnings and Notes 3 3 Directions for Use 4 4 Mechanical Instructions 5 5 Service Modes Error Codes and Fault Finding 26 6 Block Diagram...

Page 2: ...igure 1 1 AUO board labelling example from T260XW03V3 1 3 Specifications Below find attached the data sheets of the different LCD panels Click on the model number to open Model T260XW02V4 Model T260XW03V1 Model T296XW01V0 Model T296XW01V3 Model T315XW01V5 Model T315XW02VD01 Model T370XW01V1 Model T370XW02V5 Model T420HW01V2 Model T420XW01V8 TM8200701921 ZS0201 Fig 1 1 AUO shipping label a Manufact...

Page 3: ...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 4: ...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 5: ...careful during measurements in the high voltage section Never pull plugs out under operation conditions just to prevent danger 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 Foam Bars Figure 4 2 Foam bars The foam bars or...

Page 6: ... the Control board Figure 4 5 Lift cover 4 Remove the fixation screw of the Control board Figure 4 6 Fixation screw removal 5 Carefully disconnect the flat cable FPCs from their connectors Figure 4 7 Unplug FPCs 6 You can now remove the Control Board Reassembly To reassemble perform all processes in reverse order Important Be sure to insert the FPCs correctly the white line must be invisible when ...

Page 7: ...erter cover 3 Unplug the lamp connectors on the inverter Start at the top and be careful not to pull and drag the wires The use of a pair of pliers can be helpful Figure 4 10 Remove Inverter connectors 4 Remove the Inverter board as shown in figure below Figure 4 11 Remove Inverter board Reassembly To reassemble perform all processes in reverse order H_16900_029 eps 110707 H_16900_010 eps 110707 H...

Page 8: ... left down one Figure 4 12 Cover screws removal 3 Lift the cover from the Control board 4 Carefully disconnect the flat cable FPCs from their connectors Figure 4 13 Unplug FPCs 5 You can now remove the Control Board Reassembly To reassemble perform all processes in reverse order Important Be sure to insert the FPCs correctly the white line must be invisible when inserted correctly see figure below...

Page 9: ...d remove the cover Figure 4 15 Remove Inverter cover 3 Unplug the lamp connectors on the inverter Start at the top and be careful not to pull and drag the wires The use of a pair of pliers can be helpful Figure 4 16 Remove Inverter connectors 4 Remove the Inverter board Reassembly To reassemble perform all processes in reverse order I_17791_039 eps 240808 I_17791_041 eps 240808 ...

Page 10: ...rews removal 3 Lift the cover from the Control board Figure 4 19 Lift cover 4 Carefully disconnect the flat cable FPCs from their connectors Figure 4 20 Unplug flat cable Figure 4 21 Unplug FPCs 5 You can now remove the Control Board Reassembly To reassemble perform all processes in reverse order Important Be sure to insert the FPCs correctly the white line must be invisible when inserted correctl...

Page 11: ...over 3 Unplug the lamp connectors on the inverter Start at the top and be careful not to pull and drag the wires The use of a pair of pliers can be helpful Figure 4 25 Remove Inverter connectors 4 Unplug the supply connector on the end of the inverter and remove the Inverter board Figure 4 26 Remove supply connector Reassembly To reassemble perform all processes in reverse order H_16900_024 eps 11...

Page 12: ...the Control board Figure 4 29 Lift cover 4 Remove the fixation screw of the Control board Figure 4 30 Fixation screw removal 5 Carefully disconnect the flat cable FPCs from their connectors Figure 4 31 Unplug FPCs 6 You can now remove the Control Board Reassembly To reassemble perform all processes in reverse order Important Be sure to insert the FPCs correctly the white line must be invisible whe...

Page 13: ...verter cover 3 Unplug the lamp connectors on the inverter Start at the top and be careful not to pull and drag the wires The use of a pair of pliers can be helpful Figure 4 34 Remove Inverter connectors 4 Remove the Inverter board as shown in figure below Figure 4 35 Remove Inverter board Reassembly To reassemble perform all processes in reverse order H_16900_008 eps 110707 H_16900_010 eps 110707 ...

Page 14: ...d finally the left down one 3 Lift the cover from the Control board Figure 4 37 Lift cover 4 Carefully disconnect the flat cable FPCs from their connectors Figure 4 38 Unplug FPCs 5 You can now remove the Control Board Reassembly To reassemble perform all processes in reverse order Important Be sure to insert the FPCs correctly the white line must be invisible when inserted correctly see figure be...

Page 15: ...emove Inverter cover 1 2 Figure 4 41 Remove Inverter cover 2 2 3 Unplug the lamp connectors on the inverter Start at the top and be careful not to pull and drag the wires The use of a pair of pliers can be helpful Figure 4 42 Remove Inverter connectors 4 Remove the Inverter board Reassembly To reassemble perform all processes in reverse order I_17791_045 eps 240808 I_17791_046 eps 240808 I_17791_0...

Page 16: ...the Control board Figure 4 45 Lift cover 4 Remove the fixation screw of the Control board Figure 4 46 Fixation screw removal 5 Carefully disconnect the flat cable FPCs from their connectors Figure 4 47 Unplug FPCs 6 You can now remove the Control Board Reassembly To reassemble perform all processes in reverse order Important Be sure to insert the FPCs correctly the white line must be invisible whe...

Page 17: ...on the inverter Start at the top and be careful not to pull and drag the wires The use of a pair of pliers can be helpful Figure 4 51 Remove Inverter connectors 4 Remove the Inverter board as shown in figure below Figure 4 52 Remove Inverter board 5 Unplug connector CN2 on the Inverter board Figure 4 53 Remove connector CN2 Reassembly To reassemble perform all processes in reverse order H_16900_03...

Page 18: ...4 54 Cover screws removal 3 Lift the cover from the Control board Figure 4 55 Lift cover 4 Carefully disconnect the flat cable FPCs from their connectors Figure 4 56 Unplug FPCs 5 You can now remove the Control Board Reassembly To reassemble perform all processes in reverse order Important Be sure to insert the FPCs correctly the white line must be invisible when inserted correctly see figure belo...

Page 19: ...erter cover 3 Unplug the lamp connectors on the inverter Start at the top and be careful not to pull and drag the wires The use of a pair of pliers can be helpful Figure 4 60 Remove Inverter connectors 4 Remove the Inverter board 5 Unplug connector CN2 on the Inverter board Figure 4 61 Remove connector CN2 Reassembly To reassemble perform all processes in reverse order I_17791_051 eps 240808 I_177...

Page 20: ...igure 4 63 Cover screws removal 3 Lift the cover from the Control board Figure 4 64 Lift cover 4 Carefully disconnect the flat cable FPCs from their connectors Figure 4 65 Unplug FPCs 5 You can now remove the Control Board Reassembly To reassemble perform all processes in reverse order Important Be sure to insert the FPCs correctly the white line must be invisible when inserted correctly see figur...

Page 21: ...cover screws 3 Unplug the lamp connector on the inverter Be careful not to pull and drag the wires The use of a pair of pliers can be helpful Figure 4 68 Remove Inverter connectors 4 Unplug connector on the Inverter board see figure below and remove the inverter panel Figure 4 69 Remove connector Reassembly Master Inverter To reassemble perform all processes in reverse order H_16901_018 eps 171007...

Page 22: ...s 3 Unplug the lamp connector on the inverter Be careful not to pull and drag the wires The use of a pair of pliers can be helpful Figure 4 71 Remove Inverter connectors 4 Unplug connector on the Inverter board see figure below and remove the inverter panel Figure 4 72 Remove connector Reassembly Slave Inverter To reassemble perform all processes in reverse order H_16901_021 eps 171007 H_16901_022...

Page 23: ...Figure 4 74 Cover screws removal 3 Lift the cover from the Control board Figure 4 75 Lift cover 4 Carefully disconnect the flat cable FPCs from their connectors Figure 4 76 Unplug FPCs 5 You can now remove the Control Board Reassembly To reassemble perform all processes in reverse order Important Be sure to insert the FPCs correctly the white line must be invisible when inserted correctly see figu...

Page 24: ...r cover 3 Unplug the lamp connectors on the inverter Start at the top and be careful not to pull and drag the wires The use of a pair of pliers can be helpful Figure 4 80 Remove Inverter connectors 4 Unplug connector on the Inverter board see figure below and remove the inverter panel Figure 4 81 Remove connector Reassembly Master Inverter To reassemble perform all processes in reverse order H_169...

Page 25: ...plug the lamp connectors on the inverter Start at the top and be careful not to pull and drag the wires The use of a pair of pliers can be helpful Figure 4 84 Remove Inverter connectors 4 Unplug connector on the Inverter board see figure below and remove the inverter panel Figure 4 85 Remove connector Reassembly Slave Inverter To reassemble perform all processes in reverse order H_16901_009 eps 17...

Page 26: ... Service Modes 5 2 Error Codes 5 3 Fault Finding 5 1 Service Modes Not applicable 5 2 Error Codes Not applicable 5 3 Fault Finding Figure 5 1 Symptom Cure overview exchange the control board EXCEPT for above symptoms H LI NE V LI NE H BLOCK V BL OCK less than half frame Mura Bright point Dark point Spacer broken H_16901_024 eps 261007 ...

Page 27: ...ault Finding EN 27 LCD AUO 2k7 5 Figure 5 2 Symptom Cure overview replace the inverter IPB in case of this symptom Figure 5 3 Fault Finding in the inverter parts B L shut down No Display H_16901_025 eps 261007 H_16901_017 eps 171007 ...

Page 28: ... Current FET Field Effect 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 Car...

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