background image

Troubleshooting Guide

2008

Order No. ITD0805031BE

<PDP 2008 Models>

TH-50/46PZ850U

TH-50/46/42PZ800U

TH-50/46/42PZ85U

TH-50/46/42PZ80U

TH-50/42PX80U

- Ver 1.1-

This service hint is published for technicians and engineers for repair.

And it gives you the information how to judge the defective board of PDP.

In the future,we will improve the contents for more easy diagnostic and

trouble shooting.

TH-50PZ850U

Summary of Contents for PDP 2008 models

Page 1: ...H 50 46 42PZ85U TH 50 46 42PZ80U TH 50 42PX80U Ver 1 1 This service hint is published for technicians and engineers for repair And it gives you the information how to judge the defective board of PDP In the future we will improve the contents for more easy diagnostic and trouble shooting TH 50PZ850U ...

Page 2: ...s t n e t n o C 1 2008 PDP Line up Feature Comparison P3 2 PCB Location Function P5 3 PCB List P11 4 Block Diagram P13 5 Troubleshooting P19 6 Appendix P25 ...

Page 3: ...3 1 2008 PDP Line up Feature Comparison ...

Page 4: ...4 3 3 3 Y Y Y Y Y t o l S d r a C C H D S Y 2 G E P M D H C V A G E P J Y JPEG JPEG JPEG JPEG Y Y Y t u p n I C P Y Y g n i k r o w t e N d n u o S e r u t c i P l e d o M n o i t p i r c s e D 4 PZ850 Series PZ800 Series PZ85 Series PZ80 Series PX80 Series 30 000 1 30 000 1 30 000 1 20 000 1 15 000 1 Y Super Slim Speaker Woofer Speaker Super Slim Speaker Woofer Speaker 1 2008 PDP Line up Feature ...

Page 5: ...5 2 PCB Location Function ...

Page 6: ...XNSC1RJTUS SU Scan out Upper TXNSU1RJTU SD Scan out Lower TXNSD1RJTU SS Sustain Drive TXNSS1RJTU SS2 Sustain connector TNPA4405S GH HDMI4 in TNPA4603ADS G Front Terminal Key Switch TNPA4526S PB Fan control TNPA4243ABS Board Name Function Part Number P Power Supply MAIN ETX2MM704MGH Power Supply AC ETX2MM704MGB A DC DC Converter Speaker out Sound Processor AV Terminal AV Switch Digital Signal Proce...

Page 7: ... AC ETX2MM704MGB A DC DC Converter Speaker out Sound Processor AV Terminal AV Switch Digital Signal Processor Micon HDMI Interface Peaks Lite 2p TNPH0731ABS D Format Converter Plasma AI Sub Field Processor TNPA4439ABS K Remote receiver Power LED TNPA4525S S Power Switch TNPA4536S GS SD Card Slot TNPA4139ADS GL SD Blue LED TNPA4523ACS C1 Data Driver Lower Right TXNC11RKTC C2 Data Driver Lower Cente...

Page 8: ...tal Signal Processor Micon HDMI Interface Peaks Lite 2p TNPH0721S D Format Converter Plasma AI Sub Field Processor TNPA4439ALS K Remote receiver Power LED TNPA4502S S Power Switch TNPA4499S GS SD Card Slot Key Switch TNPA4504S C1 Data Driver Lower Right TXNC11RLTU C2 Data Driver Lower Left TXNC21RLTU SC Scan Drive TXNSC1RLTUS SU Scan out Upper TXNSU1RLTU SD Scan out Lower TXNSD1RLTU SS Sustain Dri...

Page 9: ...ocessor AV Terminal AV Switch Digital Signal Processor Micon HDMI Interface Peaks Lite 2p TNPH0721AES D Format Converter Plasma AI Sub Field Processor TNPA4439AKS K Remote receiver Power LED TNPA4500S S Power Switch TNPA4499S GS SD Card Slot TNPA4139ADS C1 Data Driver Lower Right TXNC11RKTU C2 Data Driver Lower Center TXNC21RKTU C3 Data Driver Lower Left TXNC31RKTU SC Scan Drive TXNSC1RKTUS SU Sca...

Page 10: ...1RQTU SC Scan Drive TXNSC1RQTUS SU Scan out Upper TXNSU1RQTU SD Scan out Lower TXNSD1RQTU SS Sustain Drive TXNSS1RQTU SS2 Sustain connector Upper TNPA4395S SS3 Sustain connector Lower TNPA4396S GH HDMI3 TNPA4505S G Front Terminal TNPA4501S Board Name Function Part Number P Power Supply LSEP1260ANHB A DC DC Converter Speaker out Sound Processor AV Terminal AV Switch Digital Signal Processor Micon H...

Page 11: ...11 3 PCB List ...

Page 12: ...U TXNC11RKTC TXNC11RLTU TXNC11RJTU TXNC11RKTU TXNC11RLTU TXNC11RJTU TXNC11RKTU TXNC11RLTU TXNC11RQTU TXNC11RRTU C2 TXNC21RJTU TXNC21RKTU TXNC21RJTU TXNC21RKTC TXNC21RLTU TXNC21RJTU TXNC21RKTU TXNC21RLTU TXNC21RJTU TXNC21RKTU TXNC21RLTU TXNC21RQTU TXNC21RRTU C3 TXNC31RJTU TXNC31RKTU TXNC31RJTU TXNC31RKTC TXNC31RJTU TXNC31RKTU TXNC31RJTU TXNC31RKTU TXNC31RQTU SC TXNSC1RJTUS TXNSC1RKTUS TXNSC1RJTUS T...

Page 13: ...13 4 Block Diagram ...

Page 14: ... IC8502 A Board ETHER NET I F IC4503 A Board Switch IC IC4510 A Board HDMI I F A D IC8300 A Board Front End Processor IC8001 A Board Peaks Pro Digital Video Processor IC5100 A Board GC6 Video Processor IC Format Converter LVDS Transmitter IC1100 A Board Micom IC9300 IC9400 D Board PD2M Left Right LVDS Receiver Sub Field Processor Data Driver Processor IC9500 D Board FPGA Discharge Control IC9003 D...

Page 15: ...0 A Board Micom IC9300 IC9400 D Board PD2M Left Right LVDS Receiver Sub Field Processor Data Driver Processor IC9500 D Board FPGA Discharge Control IC9003 D Board Micom G A S G Video in Comp in Monitor out TV Tuner IC3001 Video in PCB Function D D S O T E D e l b a C 3 0 0 9 C I LVDS IC1100 IC4200 H G HDMI 4 IC4503 HDMI 3 IC3801 HDMI 2 HDMI 1 IC4510 PC IC8001 IC9500 Analog Analog Digital IC9300 IC...

Page 16: ...C9400 D Board PD2M Left Right LVDS Receiver Sub Field Processor Data Driver Processor IC9500 D Board FPGA Discharge Control IC9003 D Board Micom 4 Block Diagram G A S G Video in Comp in Monitor out TV Tuner IC3001 Video in PCB Function D D S O T E D e l b a C 3 0 0 9 C I S D V L IC1100 IC4200 H G HDMI 3 IC3801 HDMI 2 HDMI 1 IC4510 PC IC8001 IC9500 Analog Analog Digital IC9300 IC9400 SC SU SD SS SS...

Page 17: ... IC9400 D Board PD2M Left Right LVDS Receiver Sub Field Processor Data Driver Processor IC9500 D Board FPGA Discharge Control IC9003 D Board Micom 4 Block Diagram G A S G Video in Comp in Monitor out TV Tuner IC3001 Video in PCB Function D D S O T E D e l b a C 3 0 0 9 C I S D V L IC1100 IC4200 H G HDMI 3 IC3801 HDMI 2 HDMI 1 IC4510 IC8001 IC9500 Analog Analog Digital IC9300 IC9400 SC SU SD SS SS2...

Page 18: ... Micom IC9900 A Board LVDS Receiver Sub Field Processor Data Driver Processor IC9500 A Board Discharge Control IC9003 A Board Micom 4 Block Diagram SS2 SS SS3 G A S G Video in Comp in Monitor out TV Tuner IC3001 Video in PCB Function T E D e l b a C 3 0 0 9 C I S D V L IC1100 H G HDMI 3 IC3801 HDMI 2 HDMI 1 IC4510 IC8001 IC9500 Analog Analog Digital IC9900 SC SU SD 1 C a t a D o e d i V 2 C 3 C l ...

Page 19: ...5 Troubleshooting 19 ...

Page 20: ... Pattern and Test Pattern are generated by IC9300 IC9400 of D Board When these patterns are normally displayed on the screen It can be seem good processing circuit between the D board and panel drive circuit Notice Regarding information for test pattern in detail Please refer to Page 26 27 Can you see the OSD on the screen After disconnect A5 connector then Power ON Can you see the white pattern 1...

Page 21: ...n a P Discharge Control for SC Discharge Control for SS Reference Waveform 1 Waveform 2 Waveform 3 Waveform 4 Waveform 5 Waveform 6 Waveform 7 Video Signal Check at C4552 Clock Signal Check at R4649 LVDS Signal Check at FL4206 LVDS Signal Check at FL4206 U Signal Check at R4639 Clock Signal Check at R4636 Clock Signal Check at R4649 Notice If you can measure the above waveforms by oscilloscope you...

Page 22: ...t SU board from SC board then Power ON Can you see the picture normally at lower half Connect SU board Disconnect SD board from SC board then Power ON Can you see the picture normally at upper half SU Board SD Board SC Board SC SU SD Board Disconnect SU or SD Board 5 Troubleshooting Picture Problem 2 IC9300 IC9400 IC9003 Discharge Control for SS Discharge Control for SC IC9500 Test Pattern Situati...

Page 23: ... diagnosis Single Scan Drive e g 42 inch Single Scan Drive e g 50 46 inch D C Board Plasma Panel 1 Regarding idea of diagnosis for vertical line problem please refer to Page 23 and the following idea Vertical lines at left or right or center Vertical lines at left or right half Abnormal picture at left or right or center Abnormal picture at left or right half D Board D Board Panel Panel Is a few t...

Page 24: ...C 1 C l e n a P T E D e l b a C Discharge Control for SC Discharge Control for SS IC9900 IC9003 IC9500 Test Pattern A T E D e l b a C Discharge Control for SC Discharge Control for SS IC9900 IC9003 IC9500 Test Pattern A Model No TH 50 46PZ850 TH 50 46PZ800 TH 50 46PZ85 TH 50 46PZ80 Model No TH 50PX80 Model No TH 42PX80 Model No TH 42PZ800 TH 42PZ85 TH 42PZ80 Panel Type 1080p resolution panel Scan ...

Page 25: ...6 Appendix 25 ...

Page 26: ...ture problem at all over the screen Picture Noise Full Vertical Line is mainly caused by D or A board defective This Test Pattern is able to diagnose D or A board Because D board had Test Pattern So we can judge by using Test Pattern which is defective Regarding diagnosis for these board please confirm as follows Defective Board Pattern Abnormal Normal D Board A Board or D Board 1 While pressing V...

Page 27: ...fective Board No Picture White Picture Pattern Diagnosis K O d n u o S e r u t c i p o N Connector Position Block Diagram and Explanation Symptom Model Full HD Models PZ850 PZ800 PZ85 PZ80 series A5 Connector IC4200 or IC5100 IC8001 IC1100 27 In case of No picture problem Sound OK the defective board is mainly A or D board But in this case Test Pattern isn t useful for diagnosis Because this sympt...

Page 28: ...r a o b D FPC FPC 1 Line Buffer Buffer C Board C Board 1 Block 2 Blocks G N C I r e v i r D l e n a p P D P d r a o b C r o d r a o b D r o Driver IC PDP Panel PDP Panel NG Area Front view Panel case2 case2 Drive IC 2 inside r o D Board D Board case1 case1 1 C Buffer IC C I C I C I C I 28 Buffer IC Driver IC Driver IC Driver IC 1 1 1 1 1 For PX80 it is A board because there is no D board Delete De...

Page 29: ...R ...

Reviews: