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Philips S42AX-YD04, Руководство по обслуживанию

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Service Modes, Error Codes, and Fault Finding

EN 29

SDI PDP 2K7

5.

Figure 5-13 Fault finding tree: “No Display”, 42” HD W2 Plus [1/5]

No Display 

Logic Main 

[LED 2000 Blinks] 

Y – Main 

Broken

panel 

Check  

ྙ

 LVDS Cable 

ྚ

 LED 2000;Green 

ྛ

 Fuse F2001 

ྜ

 CN2000 Cable   

Replace Logic B’d 

NO

YES

Fuse

Replace Y-B’d 

OPEN 

FET, IGBT

Replace Y-B’d

SHORT 

X – Main 

YES

Short

Logic-main 

Y-main 

Y – Buffer 

Open

Check  

ྙ

 F5003 for V

cc

 (15V) 

ྚ

  F5001 for Vs (205V) 

ྛ

  F5006 for Vccf 

ྜ

  R5116 for Vs 

Check  

Q5001, Q5002, Q5003, 

Q5004, Q5005, Q5006, 

Q5007, Q5010

G

YES

X-main 

Logic 

Buffer 

Check  

ྙ

  F4001 for V

CC

 (15V) 

ྚ

  F4002 for Vs (205V) 

Fuse 

Replace X-B’d 

FET, IGBT

Check  

ྙ

Q4001 ~ Q4007

G

Replace X-B’d 

Panel 

Replace Y-BUFFER   

OPEN 

SHORT 

SHORT

OPEN

Y-BUFFER 

SHORT 

OPEN

Replace PDP   

Measure 

Resistance 

OUTH&OUTL

Short? 

Logic Buffer 

YES

Fuse 

Check  

F2602 for V

A

(63V)

G

OPEN

SHORT

Replace Logic Buffer 

H_16871_004.eps

240807

Содержание S42AX-YD04

Страница 1: ...ssion of Philips Colour Television Module SDI PDP 2K7 S42AX YD04 42 inch HD W2 S42AX YD08 42 inch HD W2 Plus S50HW YD05 50 inch HD W2 S50HW YD07 50 inch HD W2 Plus Contents Page 1 Technical Specifications Connections and Chassis Overview 2 2 Safety Instructions Warnings and Notes 9 3 Directions For Use 10 4 Mechanical Instructions 11 5 Service Modes Error Codes and Fault Finding 20 6 Block Diagram...

Страница 2: ...8 2 42 HD W2 Plus S42AX YD08 1024 x 768 3 50 HD W2 S50HW YD05 1366 x 768 4 50 HD W2 Plus S50HW YD07 1365 x 768 No Item Specification 42 HD W2 1 Pixel 1 024 H x 768 V pixels 1 pixel 1 R G B cells 2 Number of Cells 3072 H x 768 V 3 Pixel Pitch 0 912mm H x 0 693mm V 4 Cell Pitch R Horizontal 0 304 mm Vertical 0 693 mm G Horizontal 0 304 mm Vertical 0 693 mm B Horizontal 0 304 mm Vertical 0 693 mm 5 D...

Страница 3: ...n aspect 16 9 8 Display colour 1073 7 million colours 10 bit 9 Viewing angle Over 160 deg angle with 50 and greater brightness perpendicular to PDP module 10 Dimensions 1000 W x 588 3 H x 65 3 D mm 11 Weight Module 3 About 17 5 kg 12 Vertical frequency Video Logic Interface 60 50 Hz LVDS H_16871_001 eps 240807 H_16871_002 eps 240807 No Item Specification 50 HD W2 1 Pixel 1366 H x 768 V pixels 1 pi...

Страница 4: ... 270 mm Vertical 0 810 mm G Horizontal 0 270 mm Vertical 0 810 mm B Horizontal 0 270 mm Vertical 0 810 mm 5 Display size 1105 65 H x 622 08 V mm 6 Screen size Diagonal 50 Colour Plasma Display Module 7 Screen aspect 16 9 8 Display colour 549 75 billion colours 13 bit 9 Viewing angle Over 160 deg angle with 50 and greater brightness perpendicular to PDP module 10 Dimensions 1175 W x 682 H x 63 8 D ...

Страница 5: ...Driving Board Assy PWB X Main 4 Y MAIN Driving Board Assy PWB Y Main 5 LOGIC E BUFFER Board Assy PWB Buffer 6 LOGIC F BUFFER Board Assy PWB Buffer 7 Y BUFFER Board Assy PWB Buffer 8 LOGIC Y MAIN FFC Cable flat 9 LOGIC X MAIN FFC Cable flat 10 LOGIC LOGIC BUF E FFC Cable flat 11 LOGIC LOGIC BUF F FFC Cable flat 12 LOGIC BUF E LOG BUF F Lead connector 13 SMPS LOGIC BUF E Lead connector 14 SMPS LOGIC...

Страница 6: ...ing Board Assy PWB X Main 4 Y MAIN Driving Board Assy PWB Y Main 5 LOGIC E BUFFER Board Assy PWB Buffer 6 LOGIC F BUFFER Board Assy PWB Buffer 7 Y BUFFER Board Assy PWB Buffer 8 LOGIC Y MAIN FFC Cable flat 9 LOGIC X MAIN FFC Cable flat 10 LOGIC LOGIC BUF E FFC Cable flat 11 LOGIC LOGIC BUF F FFC Cable flat 12 LOGIC BUF E LOG BUF F Lead connector 13 X MAIN LOGIC BUF F Lead connector 14 SMPS LOGIC M...

Страница 7: ... MAIN Driving Board Assy PWB Y Main 5 LOGIC E BUFFER Board Assy PWB Buffer 6 LOGIC F BUFFER Board Assy PWB Buffer 7 Y BUFFER Upper Board Assy PWB Buffer 8 Y BUFFER Lower Board Assy PWB Buffer 9 LOGIC Y MAIN FFC Cable flat 10 LOGIC X MAIN FFC Cable flat 11 LOGIC LOGIC BUF E FFC Cable flat 12 LOGIC LOGIC BUF F FFC Cable flat 13 LOGIC BUF E LOG BUF F Lead connector 14 SMPS LOGIC BUF E Lead connector ...

Страница 8: ...ing Board Assy PWB X Main 4 Y MAIN Driving Board Assy PWB Y Main 5 LOGIC E BUFFER Board Assy PWB Buffer 6 LOGIC F BUFFER Board Assy PWB Buffer 7 Y BUFFER UP Board Assy PWB Buffer 8 LOGIC Y MAIN FFC Cable flat 9 LOGIC X MAIN FFC Cable flat 10 LOGIC LOGIC BUF E FFC Cable flat 11 LOGIC LOGIC BUF F FFC Cable flat 12 LOGIC BUF E LOG BUF F Lead connector 13 SMPS LOGIC BUF F Lead connector 14 SMPS LOGIC ...

Страница 9: ...ween parts and circuit board Check the cord of AC power preparing damage Product Safety Mark Some of electric or implement material have special characteristics invisible that was related on safety In case of the parts are changed with new one even though the Voltage and Watt is higher than before the Safety and Protection function will be lost The AC power always should be turned off before next ...

Страница 10: ...y before handling the circuit PWB Be sure to handle the circuit PWB by holding the large parts as the heat sink or transformer Failure to observe this precaution may result in the occurrence of an abnormality in the soldered areas Do not stack the circuit PWB Failure to observe this precaution may result in problems resulting from scratches on the parts the deformation of parts and short circuits ...

Страница 11: ...0 HD W2 4 1 8 Exchange YB and YM board 42 HD W2 42 HD W2 Plus 4 1 9 Exchange YB and YM board 50 HD W2 50 HD W2 Plus 4 1 Dis assembling Re assembling 4 1 1 Flexible Printed Circuit of Y Buffer Upper and Lower Dis assembly Pull out the FPC from the connector by holding the lead of the FPC with both hands Re assembly Push the lead of the FPC with equal force on both sides into the connector Note Be c...

Страница 12: ...lamp of the connector 2 Pull the Flat cable out while pressing it down lightly Re assembly Insert the Flat Cable into the connector while pressing it down lightly until you hear a Click Figure 4 3 Dis assembly FCC of X main board Figure 4 4 Re assembly FCC of X main board G_16380_014 eps 190606 G_16380_015 eps 190606 ...

Страница 13: ...refully 2 Close the clamp completely until you hear a Click Notes Carefully check if there is no foreign material on the inside of the connector before inserting the TCP Be careful do not damage the board by ESD during handling of the TCP Figure 4 5 Dis assembly of TCP Figure 4 6 Re assembly of TCP Figure 4 7 Mis assembly of TCP Figure 4 8 Dis and re assembly of FFC G_16380_016 eps 190606 G_16380_...

Страница 14: ...e the defective board 5 Place the new board and then screw tightly 6 Clean the connectors 7 Re connect the TCP FFC and power cable to the connectors 8 Re assemble the TCP heat sink Use the screw mounting order 2 3 1 4 Caution If you screw too tight it is possible to damage the Driver IC of the TCP Figure 4 9 Photo 1 Heatsink 42 HD W2 Figure 4 10 Photo 2 Exchange of LBE LBF board 42 HD W2 Figure 4 ...

Страница 15: ...he defective board 5 Place the new board and then screw tightly 6 Clean the connectors 7 Re connect the TCP FFC and power cable to the connectors 8 Re assemble the TCP heat sink Use the screw mounting order 2 3 1 4 Caution If you screw too tight it is possible to damage the Driver IC of the TCP Figure 4 12 Photo 1 Heatsink 42 HD W2 Plus Figure 4 13 Photo 2 Exchange of LBE LBF board 42 HD W2 Plus F...

Страница 16: ...tive board 5 Replace the new board and then screw tightly 6 Clean the connectors 7 Re connect the TCP FFC and power cable to the connectors 8 Re assemble the TCP heat sink Use the same screw mounting order as described above Caution If you screw too tight it is possible to damage the Driver IC of the TCP Figure 4 15 Photo 1 Heatsink 50 HD W2 Figure 4 16 Photo 2 Exchange of LBE and LBF board 50 HD ...

Страница 17: ...he defective board 5 Place the new board and then screw tightly 6 Clean the connectors 7 Re connect the TCP FFC and power cable to the connectors 8 Re assemble the TCP heat sink Use the screw mounting order 2 3 1 4 Caution If you screw too tight it is possible to damage the Driver IC of the TCP Figure 4 18 Photo 1 Heatsink 50 HD W2 Plus Figure 4 19 Photo 2 Exchange of LBE LBF board 50 HD W2 Plus F...

Страница 18: ...See Photo 2 5 Remove Y Buffer from the Y main 6 Replace the defective board 7 Re assemble Y Buffer to the Y Main 8 Plug in connectors CN5001 CN5002 CN5006 and CN5003 between Y Buffer and Y Main 9 Arrange the boards on the chassis and tighten them 10 Connect the FPC connectors 11 Supply the electric power to the module and then check the waveform of the board 12 Turn off the power after the wavefor...

Страница 19: ...is 5 Remove the YB from the Y main 6 Replace the defective board 7 Re assemble the YB to the Y Main 8 Plug in connectors CN5600 and CN5601 between YB and YM 9 Arrange the board on the chassis and then screw to fix 10 Connect the FPCs 11 Supply the electric power to the module and then check the waveform of the board 12 Turn off the power after the waveform is adjusted Figure 4 22 Photo 1 and 2 Dis...

Страница 20: ...rt some vertical lines appear to be linked on the screen 5 2 8 Criteria for Panel Replacement due to Defective Panel Cells 5 2 9 Defect Overview 5 3 Defect Description Form 5 1 Repair Tools 5 1 1 ComPair For the w2 and w2 Plus models it will be possible to generate test patterns with ComPair The ComPair interface must be connected to the Logic Board with the special interconnection cable see table...

Страница 21: ...cenario with Philips application or PDP as stand alone check No Power supply is not working No voltage output H_16870_067 eps 040407 No Voltage output Operating Voltages don t exist Operating Voltages exist but No Display Abnormal Display not open or short Lines Some horizontal or Vertical Lines don t exist on the Display Sustain open First check complete TV set Fault Symptom Go to Power Supply Ch...

Страница 22: ...3V Check 5Vstandby 5 2V Check Fuse 8001 8002 8003 8005 Replace SMPS NO Check LED 8001 Green SMPS ON OFF Relay RLY 8001 8002 Acts LED Green 8001off NO YES SMPS Replace SMPS Check Protection LED 8001 Green is not blinking YES NO The number of blinking Check output voltage Vs Va NO Replace SMPS Turn off Relay SW Open these connectors One by One CN8007 X Main check CN8006 Y Main check Check output vol...

Страница 23: ...2V Check Fuse 8001 8002 8003 8005 Replace SMPS NO Check LED 8001Green SMPS On OFF Relay RLY 8001 8002 Acts LED Green 8001 off NO YES SMPS Replace SMPS Check Protection LED 8001 Green is not blinking YES NO The number of blinking 1 Check output voltage Vs Va NO Turn off Relay SW Open these connectors One by One CN8007 X Main check CN8006 Y Main check 2 Check output voltage Vs Va NO YES Go to 4 1 2 ...

Страница 24: ...Service Modes Error Codes and Fault Finding EN 24 SDI PDP 2K7 5 Figure 5 6 Power Supply Check for 50 HD W2 Plus models H_16872_006 eps 191007 ...

Страница 25: ...inks Y Main Broken panel X Main Y Buffer 50 LED 2002 Blinks Check LVDS Cable LED 2000 Green Fuse F2001 CN2000 Cable Replace Logic B d NO YES NO Fuse Replace Y B d OPEN FET IGBT Replace Y B d SHORT Replace Logic B d YES Short Logic main Y main Open Check F5004 for Vdd 5V F5003 for Vcc 15V F5001 for Vs 205V F5005 for Vset F5006 for Vccf Check Q5001 Q5010 H_16870_014 eps 040407 Check F4004 for Vdd 5V...

Страница 26: ... Vs fuse F5001 OK 0 x x x ohm Vs fuse F5001 OPEN x x Mohm 15V fuse F5003 OK 0 x x x ohm 15V fuse F5003 OPEN x x Mohm 5V fuse F5004 OK 0 x x x ohm 5V fuse F5004 OPEN x x Mohm Vset fuse F5005 OK 0 x x x ohm Vset fuse F5005 OPEN x x Mohm H_16870_010 eps 040407 Vccf F5006 OK 0 x x x ohm Vccf F5006 OPEN x x Mohm ...

Страница 27: ..._012 eps 040407 OK Short FET IGBT contain the inner diode Ys Yg Yscan Yfr Yrr Xs Xg Xb OK 0 3 0 9 V Short 0 000 0 00x V OK Short IGBT do not contain the inner diode Yr Yf Xr Xf OK xx x kohm Short x x ohm Ys Q5007 Yg Q5001 Yscan Q5008 9 Yfr Q5006 Yrr Q5004 Xs Q4001 Xg Q4002 Xb Q4003 4 Yr Q5003 Yf Q5002 Xr Q4006 Xf Q4005 ...

Страница 28: ... check points 42 HD W2 5 5 H_16870_015 eps 050407 Vs fuse F4002 OK 0 x x x ohm Vs fuse F4002 OPEN x x Mohm 15V fuse F4001 OK 0 x x x ohm 15V fuse F4001 OPEN x x Mohm 5V fuse F4004 OK 0 x x x ohm 5V fuse F4004 OPEN x x Mohm X Main Check Point H_16870_017 eps 020407 OUTL OUTH OK x x Mohm OUTL OUTH Short x x ohm Y Buffer Check Point ...

Страница 29: ... Main YES Short Logic main Y main Y Buffer Open Check ྙ F5003 for Vcc 15V ྚ F5001 for Vs 205V ྛ F5006 for Vccf ྜ R5116 for Vs Check Q5001 Q5002 Q5003 Q5004 Q5005 Q5006 Q5007 Q5010G YES X main Logic Buffer Check ྙ F4001 for VCC 15V ྚ F4002 for Vs 205V Fuse Replace X B d FET IGBT Check ྙ Q4001 Q4007G Replace X B d Panel Replace Y BUFFER OPEN SHORT SHORT OPEN Y BUFFER SHORT OPEN Replace PDP Measure R...

Страница 30: ...D W2 Plus 2 5 H_16871_005 eps 240807 G G G v vyG Vs fuse F5001 OK 0 x x x ohm Vs fuse F5001 OPEN x x Mohm vyG 15V fuse F5003 OK 0 x x x ohm 15V fuse F5003 OPEN x x Mohm vyG Vccf fuse F5006 OK 0 x x x ohm Vcc fuse F5006 OPEN x x Mohm vyG R fusible R5116 OK 1 xohm R fusible R5116 OPEN x x Mohm T Gj Gw G ...

Страница 31: ..._006 eps 240807 G OK ShortG FET IGBT contain the inner diode Ys Yg Yfr Yrr Xs Xg Xb OK 0 3 0 9 V Short 0 000 0 00x V pni SGml Gj Gw G G OK Short IGBT do not contain the inner diode Yr Yf Xr Xf OK xx x kohm Short x x ohm Ys Q5007 Yg Q5001 Yfr Q5006 Yrr Q5004 Xs Q4001 Xg Q4002 Xb Q4003 4 Yr Q5003 Yf Q5002 Xr Q4006 Xf Q4005 G ...

Страница 32: ... W2 Plus 4 5 Figure 5 17 Y Buffer check points 42 HD W2 Plus 5 5 H_16871_007 eps 240807 v vyG Vs fuse F4002 OK 0 x x x ohm Vs fuse F4002 OPEN x x Mohm vyG 15V fuse F4001 OK 0 x x x ohm 15V fuse F4001 OPEN x x Mohm T Gj Gw G H_16871_008 eps 240807 OUTL OUTH OK x x Mohm OUTL OUTH Short x x ohm T Gj Gw G ...

Страница 33: ... Y B d OPEN FET IGBT Replace Y B d SHORT Replace Logic B d YES Short Logic main Y main Open Check F5701 for Vdd 5V F5700 for Vcc 15V F5703 for Vs 207V F5704 for Vddf F5200 for Vset Check Q5000 Q5800 Check F4703 for Vdd 5V F4702 for Vcc 15V F4701 for Vs 207V Fuse Replace X B d FET IGBT Check Q4001 Q4902 Replace X B d Panel Replace Y BUFFER OPEN SHORT YES SHORT OPEN X main Y BUFFER SHORT OPEN Replac...

Страница 34: ...5 H_16870_044 eps 030407 Vs fuse F5703 OK 0 x x x ohm Vs fuse F5703 OPEN x x Mohm 15V fuse F5700 OK 0 x x x ohm 15V fuse F5004 OPEN x x Mohm 5V fuse F5701 OK 0 x x x ohm 5V fuse F5001 OPEN x x Mohm Vset fuse F5200 OK 0 x x x ohm Vset fuse F5200 OPEN x x Mohm Vddf F5704 OK 0 x x x ohm Vddf F5704 OPEN x x Mohm ...

Страница 35: ...t FET IGBT contain the inner diode Ys Yg Ypn Yscan Yfr Yrr Xs Xg Xb OK 0 3 0 9 V Short 0 000 0 00x V OK Short IGBT do not contain the inner diode Yr Yf Xr Xf OK xx x kohm Short x x ohm Ys Q5100 01 Yg Q5102 03 Ypn Q5302 03 04 06 Yscan Q5400 01 Yfr Q5500 Yrr Q5200 Xs Q4101 02 Xg Q4103 04 Xb Q4901 02 Yr Q5000 02 Yf Q5001 03 Xr Q4001 Xf Q4002 03 ...

Страница 36: ...in check points 50 HD W2 4 5 H_16870_048 eps 030407 Vs fuse F4701 OK 0 x x x ohm Vs fuse F4701 OPEN x x Mohm 15V fuse F4702 OK 0 x x x ohm 15V fuse F4702 OPEN x x Mohm 5V fuse F4703 OK 0 x x x ohm 5V fuse F4703 OPEN x x Mohm 5V fuse F4800 OK 0 x x x ohm 5V fuse F4800 OPEN x x Mohm ...

Страница 37: ...Service Modes Error Codes and Fault Finding EN 37 SDI PDP 2K7 5 Figure 5 22 Y Buffer check points 50 HD W2 5 5 H_16870_049 eps 030407 OUTL OUTH OK x x Mohm OUTL OUTH Short x x ohm ...

Страница 38: ...Service Modes Error Codes and Fault Finding EN 38 SDI PDP 2K7 5 Figure 5 23 Fault finding tree No Display 50 HD W2 Plus 1 5 H_16872_007 eps 191007 ...

Страница 39: ...ce Modes Error Codes and Fault Finding EN 39 SDI PDP 2K7 5 Figure 5 24 Y Main check points 50 HD W2 Plus 2 5 Figure 5 25 FET IGBT check points 50 HD W2 Plus 3 5 H_16872_008 eps 191007 H_16872_009 eps 191007 ...

Страница 40: ...ce Modes Error Codes and Fault Finding EN 40 SDI PDP 2K7 5 Figure 5 26 X Main check points 50 HD W2 Plus 4 5 Figure 5 27 Y Buffer check points 50 HD W2 Plus 5 5 H_16872_010 eps 191007 H_16872_011 eps 191007 ...

Страница 41: ...isplay Logic Main Y Main Check necessary points X Main Check necessary points 42 LED 2000 Blinks 50 LED 2002 Blinks H_16870_019 eps 030407 Check F5004 for Vdd 5V F5003 for Vcc 15V F5001 for Vs 205V F5005 for Vset F5006 for Vccf Fuse F4004 for Vdd 5V F4001 for Vcc 15V F4002 for Vs 205V F4005 for Ve 110V Fuse Replace X B d FET IGBT Check Q4001 Q4007 Y main OPEN SHORT X main OPEN SHORT SHORT OPEN Y B...

Страница 42: ...42 HD W2 Plus H_16871_009 eps 240807 Check ྙ R5003 for Ys Q5007 ྚ R5002 for Yset Q5004 R fusible j G R4014 for VE 99V G R fusible Replace X B d Regular Abnormal Logic main Normal State Replace board Y main OPEN SHORT X main OPEN SHORT Replace Y B d Regular Abnormal Logic Main LED 2000 blinks Motion of Vsync ...

Страница 43: ...Vddf F5200 for Vset Fuse Y main OPEN SHORT X main FET IGBT Check Q5000 Q5800 Replace Y B d SHORT OPEN Replace Y B d F4703 for Vdd 5V F4702 for Vcc 15V F4701 for Vs 207V F4800 for Ve 94V Fuse Replace X B d FET IGBT Check Q4002 3 Q4011 Q4016 OPEN SHORT SHORT OPEN Y BUFFER Replace Y BUFFER SHORT OPEN Replace X B d Regular Abnormal Logic main Normal State Replace board Logic Main LED 2002 Blinks Motio...

Страница 44: ...Service Modes Error Codes and Fault Finding EN 44 SDI PDP 2K7 5 Figure 5 32 Fault symptom Abnormal Display 50 HD W2 Plus ...

Страница 45: ...l line or block open Y buffer connector Y FPC Replace PDP Reconnection Y buffer Connection Y buffer Y FPC G Go oo od d Y FPC pin broken or bent Check Y FPC Y buffer connector Check Y buffer connector pin broken or bent Replace Y buffer B d B Br ro ok ke en n o or r b be en nt t G Go oo od d Check P Po oo or r B Br ro ok ke en n o or r b be en nt t G_16380_153 eps 030407 ...

Страница 46: ... Figure 5 35 Fault symptom Address open 2 2 Line Open Data Block Open TCP Block Open Address Open Logic Main FFC Changing some parts Logic Buffer Changing necessary Parts E F G_16380_140 eps 030407 H_16871_010 eps 240807 1 Line or 1 Block Replace PDP YES What is the vertical status of open The open part is black Replace 1 FFC 2 Logic Main or Logic Buffer Half Block or Half of screen Done NO YES NO...

Страница 47: ...ddress Short Logic Main FFC Changing some parts Logic Buffer Changing necessary Parts E F G_16380_144 eps 030407 H_16871_011 eps 111007 1 Line or 1 Block Half Block or Half of screen YES NO YES What is the vertical status of shorted The shorted part is colored Replace PDP Replace 1 FFC 2 Logic Main or Logic Buffer Done NO YES jwG G j G mmjG G j Check TCP Connection Foreign Materials Check FFC Conn...

Страница 48: ...ication Item Number of cell defects Distance between cell defects Non lighting cell defect Zone A 4 and less Zone B 8 and less Non extinguishing cell defect Zone A 0 Zone B 1 and less Flickering cell defect Zone A 0 Zone B 1 and less High Intensity Cell defect Zone A 0 Zone B 1 and less Only Red Blue Regardless of A and B zone Zone A 0 Zone B 1 and less Adjacent cell defect Only Red Blue Total 12 ...

Страница 49: ...e defective Check criteria for replacement of the panel H_16870_021 eps 020407 Defect Address vertical stripe Open Defect Address vertical stripe Short Symptom A line or block does not light up in address electrode direction 1 line block open Cause manufacturing Panel electrode single line foreign material electrostatic TCP defect Parts TCP Board connection defect Operation Assembly error Film dam...

Страница 50: ...the panel discharge non discharge area sustain also open short occurs by the damage of address sustain printout Add Block and Line Open Add and Sustain Open Cause layer uneven abnormal voltage foreign material repair failed H_16870_024 eps 020407 Defect F White low discharge Defect Weak discharge Symptom Low discharge caused by unstable cells occurring at full white pattern if high 60 degree or no...

Страница 51: ... some cause depending on the damaged F4005 X out in oscilloscope The abnormal X out The normal X out Check or replace the Ve fuse F4005 70V 90V 110V overcharge overcharge H_16871_013 eps 070907 ඞ ඞ Defect R5002 R fusible for Yset damage ඞ Defect R4014 R fusible for VE R4014 damage Symptom The abnormal image appears in some cause depending on the damaged F5005 G Y out in oscilloscope G The abnormal...

Страница 52: ...age 50 only Symptom The abnormal image appears in some cause depending on the damaged F5200 Y out in oscilloscope The abnormal Y out The normal Y out Check or replace the Yset fuse F5200 Symptom The abnormal image appears in some cause depending on the damaged F4800 X out in oscilloscope The abnormal X out The normal X out Check or replace the Ve fuse F4800 70V 90V 94V overcharge overcharge ...

Страница 53: ...Service Modes Error Codes and Fault Finding EN 53 SDI PDP 2K7 5 Figure 5 47 Defect overview 50 HD W2 Plus 8 11 H_16872_013 eps 191007 ...

Страница 54: ...ach voltage using comparator Interface DC DC circuit which is connected with Photo coupler SCR Reporting LED Green light on Protection circuit behaviors Enable Circuit This circuit enables protection circuit using Verc voltage Enable High Verc about 60V Voltage sensing Verc Vscl Vsch voltage sensing Verc 130V Normal 100V Vscl 165V Normal 190V Vsch 100V Normal 70V Each comparator enables the protec...

Страница 55: ...Service Modes Error Codes and Fault Finding EN 55 SDI PDP 2K7 5 Figure 5 49 Defect overview 50 HD W2 Plus 10 11 H_16872_014 eps 191007 ...

Страница 56: ...o image appears in some cause depending on the damaged parts and damage level Cause Manufacturing Flatness palette pin interruption Operation overload of panel corner careless handling Panel Flatness assembly error Symptom Crack in break if exhaust pipe an image is partially lacking or the panel noise occurs depending on the damaged parts and with the passage of time Cause Careless panel handling ...

Страница 57: ...acklight No picture Picture too bright Scratches LCD only acc Pixel criteria sheet V4 0 Only partial picture Unstable picture Flickering flashing picture Lines across down image Inactive row s Inactive column s Missing colour s Light leakage Other PANEL REPAIR Pixel Defect s Symptoms Out of warranty Dark dots Bright dots Qty of dots Mark Defect s These symptoms are not claimable Following defect s...

Страница 58: ...uit Sustain Xr Xf Xs Xg Each Voltage from SMPS Drive signal from logic X bias Xe X out Sustain Xr Xf Xs Xg Each Voltage from SMPS Drive signal from logic X bias Xe X out H_16870_038 eps 050407 DC DC Vsch Vccf Sustain Yr Yf Ys Yg Rising ramp Yrr falling ramp Yfr Scan period Ysc Drive signal from logic Each Voltage from SMPS Y out DC DC Vsch Vccf Sustain Yr Yf Ys Yg Rising ramp Yrr falling ramp Yfr ...

Страница 59: ...Circuit Diagrams and PWB Layouts EN 59 SDI PDP 2K7 7 7 Circuit Diagrams and PWB Layouts Not applicable ...

Страница 60: ...te due to the different model executions Important Remove all non default jumpers and reset all DIP switches after the repair 8 1 Power Supply Voltages 8 1 1 PSU Layout Figure 8 1 PSU layout 42 HD W2 Figure 8 2 PSU layout 42 HD W2 Plus STBY PFC Vs Va 8V6 D5V Vg Vsnd POD MICOM Image B d connector Logic main Connector AC input Address Connector X Main Connector H_16870_034 eps 020407 H_16871_014 eps...

Страница 61: ...Alignments EN 61 SDI PDP 2K7 8 Figure 8 3 PSU layout 50 HD W2 Figure 8 4 PSU layout 50 HD W2 Plus H_16870_066 eps 020407 H_16872_015 eps 191007 ...

Страница 62: ...tion of the supply lines from the PSU to the boards 42 HD W2 No Output voltage V Voltage Setting Normal Load Output Voltage Range 1 VS 205 V 1 5 200 V 207 V 2 VA 63 V 1 5 60 V 65 V 3 VE 110 V 1 5 100 V 120 V 4 VSCAN 190 V 1 5 200 V 185 V 5 VG 15 V 5 Fixed 6 D5VL 5 2 V 5 Fixed Check voltage label on the PDP for correct values Vscan TP Vsch TP Y MAIN VR5003 Vscan Vsc VR5004 Vsch X MAIN VR4001 Ve Ve ...

Страница 63: ...r side of the panel Figure 8 7 Location of voltage check points 42 HD W2 Plus No Output voltage V Voltage Setting Normal Load Output Voltage Range 1 VS 205 V 1 5 200 V 215 V 2 VA 63 V 1 5 61 V 65 V 3 VE 99 V 1 5 95 V 105 V 4 VSCAN 190 V 1 5 195 V 185 V 5 VG 15 V 5 Fixed 6 D5VL 5 2 V 5 Fixed Check voltage label on the PDP for correct values H_16871_015 eps 070907 G ...

Страница 64: ...Alignments EN 64 SDI PDP 2K7 8 Figure 8 8 Location of the supply lines from the PSU to the boards 42 HD W2 Plus H_16871_016 eps 070907 ...

Страница 65: ...the PSU to the boards 50 HD W2 No Output voltage V Voltage Setting Normal Load Output Voltage Range 1 VS 207 V 1 5 198 V 202 V 2 VA 63 V 1 5 63 V 67 V 3 VE 94 V 1 5 105 V 115 V 4 VSCAN 190 V 1 5 192 V 188 V 5 VG 15 V 5 Fixed 6 D5VL 5 2 V 5 Fixed Check voltage label on the PDP for correct values Drive board s voltage check point Vscan Ve Vscan TP Vsch TP Vccf TP Ve TP Vs TP Y MAIN VR5800 Vscan X MA...

Страница 66: ...r side of the panel Figure 8 11 Location of the voltage check points 50 HD W2 Plus No Output voltage V Voltage Setting Normal Load Output Voltage Range 1 VS 207 V 1 5 200 V 215 V 2 VA 63 V 1 5 Fixed 3 VE 94 V 1 5 105 V 115 V 4 VSCAN 190 V 1 5 192 V 188 V 5 VG 15 V 5 Fixed 6 D5VL 5 3 V 5 Fixed Check voltage label on the PDP for correct values H_16872_016 eps 191007 ...

Страница 67: ...Alignments EN 67 SDI PDP 2K7 8 Figure 8 12 Location of the supply lines from the PSU to the boards 50 HD W2 Plus H_16872_017 eps 191007 ...

Страница 68: ... full white pattern is visible remove the jumper Now the display shows a continuous full white pattern To restart the cycle of different patterns replace the jumper 2 Check the waveform using an oscilloscope see figures Adjusting waveforms 42 HD W2 Trigger via V_TOGG on the LOGIC Board see figure Logic PWB 42 HD W2 Connect the CN5411 test point located at the bottom of the Y buffer PWB to the othe...

Страница 69: ...Ramp Oscilloscope Setting 20V 10us VR5002 Adjustment Falling Ramp Oscilloscope Setting 20V 10us H_16870_068 eps 060407 Falling Ramp Rising Ramp Adjust VR5001 to set the time of Yrr Main Reset Rising Ramp like the below picture Oscilloscope Setting 20V 10us Adjust VR5002 to set the time of Yfr Main Reset Falling Ramp like the below picture Oscilloscope Setting 20V 10us ...

Страница 70: ...ences in the locations of test points and VRs The differences locations of test points and VRs are shown in the photo above and the photos below Figure 8 20 Y Main Vr for adjusting Yfr Figure 8 21 X Main VR for adjusting Ve Figure 8 22 SMPS VR for adjusting Vs Figure 8 23 SMPS Voltage measuring points Figure 8 24 SMPS Protection mode Display Ramp H_16871_017 eps 070907 Check Point 42HD W2P Vsc VR ...

Страница 71: ...ay shows a continuous full white pattern To restart the cycle of different patterns push the button once more and wait for a few seconds 2 Check the waveform using an oscilloscope see figures Adjusting waveforms 50 HD W2 Trigger via V_TOGG on the Logic Board see figure Logic PWB 50 HD W2 Connect the OUT240 test point located at the centre of the Y buffer PWB to the other channel and then check the...

Страница 72: ...loscope Setting 50V 40us VR5500 Adjustment Falling Ramp Oscilloscope Setting 50V 20us W2 Ramp Waveform Inclination Adjustment Y Board 1 st Sub Field Adjust VR5200 to set the time of Yrr Main Reset Rising Ramp like the below picture Oscilloscope Setting 50V 40us Adjust VR5500 to set the time of Yfr Main Reset Falling Ramp like the below picture Oscilloscope Setting 50V 20us H_16872_019 eps 191007 ...

Страница 73: ... address drive IC TCP module video signal X Y drive signal generation frame memory circuit address data re arrangement 9 1 4 Logic Buffer E F The Logic Buffer transmits the data and control signals 9 1 5 Y Buffer Board The Y Buffer board supplies the Y terminal with scan waveforms The board comprises eight scan driver ICs 9 1 6 TCP Tape Carrier Package The TCP applies the Va pulse to the address e...

Страница 74: ...the Philips Service website for an actual overview monthly updated 11 Revision List Manual xxxx xxx xxxx 0 First release Manual xxxx xxx xxxx 1 Information on 42 inch HD W2 Plus PDP S42AX YD08 added Manual xxxx xxx xxxx 2 Information on 50 inch HD W2 Plus PDP S50HW YD07 added ...

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