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Panasonic Viera TH-42PW3, Service Manual

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Panasonic Viera TH-42PW3 Service Manual Download Page 8

SCHEMA*99

8.2.2 Adjustments 

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Adjust driver section voltages referring the panel data on the panel data label. 

*See the Panel label. 

 

 

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Name 

Test Point 

Voltage 

Volume 

Remarks 

Vsus 

TPVSUS (SS)  170V ± 1V 

R605 (P) 

 

Vbk 

TPVBK (SC) 

155V ± 5V 

R6443 (SC)   

Ve 

TPVE (SS) 

158V ± 1V 

R6774 (SS)   

Vset 

TPVSET (SC)  218V ± 6V 

--- 

 

Vad 

TPVAD (SC) 

-90V ± 1V 

R6477 (SC)   

Vscn  

TPVSCN (SC)  Vad*+118V ± 2V  --- 

 

Vda 

TPVDA (SS) 

67V ± 1V 

R590 (P) 

 

Summary of Contents for Viera TH-42PW3

Page 1: ...p 75ohm Audio 0 5 Vrms RCA type Component RGB In RCA type Y G 1 0 Vp p including Sync PB B 0 35 Vp p PR R 0 35 Vp p HD 1 0 5 0 Vp p VD 1 0 5 0 Vp p PC VGA SVGA XGA SXGA UXGS Compatible High density D...

Page 2: ...on 8 1 2 Adjustments 8 2 Driver Set up 8 2 1 Item Preparation 8 2 2 Adjustments 8 3 Initialization Pulse Adjust 8 4 P C B Printed Circuit Board exchange 8 4 1 Caution 8 4 2 Quick adjustment after P C...

Page 3: ...SCHEMA 99 8 1 B Set up TOP PREVIOUS NEXT 8 1 1 Item Preparation 8 1 2 Adjustments TOP PREVIOUS NEXT...

Page 4: ...SCHEMA 99 8 1 1 Item Preparation TOP PREVIOUS NEXT 1 Input a Grey scale signal 2 Set the picture controls Picture mode Normal White balance Normal TOP PREVIOUS NEXT...

Page 5: ...lume Voltage Test Point Remarks Vsus R605 170V 1V P11 pin 2 Vda R590 67V 0 5V P12 pin 1 Name Voltage Test Point Remarks 15V 15 4V 0 5V P23 pin 1 15V 15 2V 0 5V P7 pin 1 12V 11 8V 0 5V P25 pin 1 Audio...

Page 6: ...SCHEMA 99 8 2 Driver Set up TOP PREVIOUS NEXT 8 2 1 Item Preparation 8 2 2 Adjustments TOP PREVIOUS NEXT...

Page 7: ...SCHEMA 99 8 2 1 Item Preparation TOP PREVIOUS NEXT 1 Input an APL 100 white signal 2 Set the picture controls Picture mode Normal White balance Cool Aspect 16 9 TOP PREVIOUS NEXT...

Page 8: ...ata on the panel data label See the Panel label TOP PREVIOUS NEXT Name Test Point Voltage Volume Remarks Vsus TPVSUS SS 170V 1V R605 P Vbk TPVBK SC 155V 5V R6443 SC Ve TPVE SS 158V 1V R6774 SS Vset TP...

Page 9: ...1 Input a Cross hatch signal 2 Set the picture controls Picture mode Normal White balance Cool Adjust the indicated test point for the specified wave form TOP PREVIOUS NEXT Test point Volume Level T1...

Page 10: ...SCHEMA 99 8 4 P C B Printed Circuit Board exchange TOP PREVIOUS NEXT 8 4 1 Caution 8 4 2 Quick adjustment after P C B exchange TOP PREVIOUS NEXT...

Page 11: ...SCHEMA 99 8 4 1 Caution TOP PREVIOUS NEXT 1 To remove P C B wait 1 minute after power was off for discharge from electrolysis capacitors TOP PREVIOUS NEXT...

Page 12: ...t Voltage Volume Remarks P Board Vsus TPVSUS SS 170V 1V R605 P Vda TPVDA SS 67V 1V R590 P SC Board Vbk TPVBK SC 155V 5V R6443 SC Vad TPVAD SC 90V 1V R6477 SC Vset TPVSET SC 218V 6V Vscn TPVSCN SC Vad...

Page 13: ...SCHEMA 99 8 5 Adjustment Volume Location TOP PREVIOUS NEXT TOP PREVIOUS NEXT...

Page 14: ...SCHEMA 99 8 6 Test Point Location TOP PREVIOUS NEXT TOP PREVIOUS NEXT...

Page 15: ...SCHEMA 99 9 Service mode TOP PREVIOUS NEXT 9 1 CAT computer Aided Test mode 9 1 1 IIC mode 9 1 2 CD mode 9 1 3 SD mode 9 2 IIC mode structure following items value is sample data TOP PREVIOUS NEXT...

Page 16: ...SCHEMA 99 9 1 CAT computer Aided Test mode TOP PREVIOUS NEXT To exit the CAT mode access the ID mode and switch off the main power 9 1 1 IIC mode 9 1 2 CD mode 9 1 3 SD mode TOP PREVIOUS NEXT...

Page 17: ...IIC mode by Up Down button on the remote control at the front page of CAT mode then press the Action button on the remote control Subject and item are mentioned on page 14 To exit the IIC mode press...

Page 18: ...CAT mode then press the Mute button on the remote control more than 5 sec Micom software version IC9354 this version can be upgrade by 1 replace of new version IC 2 Loading the new version software fr...

Page 19: ...EVIOUS NEXT Select the SD mode by Up Down button on the remote control at the front page of CAT mode then press the Action button on the remote control To exit the SD mode press the R button on the re...

Page 20: ...SCHEMA 99 9 2 IIC mode structure following items value is sample data TOP PREVIOUS NEXT TOP PREVIOUS NEXT...

Page 21: ...PREVIOUS NEXT 10 1 Pedestal setting C 10 2 Pedestal setting B 10 3 NTSC panel white balance 10 4 PAL SECAM panel white balance 10 5 PC RGB panel white balance 10 6 HD 525i 525p 625I 625P panel white...

Page 22: ...10 1 Pedestal setting C TOP PREVIOUS NEXT Note OSD is the difference between UY model and Except UY model Picture Normal Except UY Standard UY model White balance Except UY Color Temp UY model TOP PRE...

Page 23: ...10 2 Pedestal setting B TOP PREVIOUS NEXT Note OSD is the difference between UY model and Except UY model Picture Normal Except UY Standard UY model White balance Except UY Color Temp UY model TOP PRE...

Page 24: ...SCHEMA 99 10 3 NTSC panel white balance TOP PREVIOUS NEXT TOP PREVIOUS NEXT...

Page 25: ...SCHEMA 99 10 4 PAL SECAM panel white balance TOP PREVIOUS NEXT TOP PREVIOUS NEXT...

Page 26: ...SCHEMA 99 10 5 PC RGB panel white balance TOP PREVIOUS NEXT TOP PREVIOUS NEXT...

Page 27: ...SCHEMA 99 10 6 HD 525i 525p 625I 625P panel white balance TOP PREVIOUS NEXT TOP PREVIOUS NEXT...

Page 28: ...MA 99 11 Trouble shooting guide TOP PREVIOUS NEXT 11 1 Self Check 11 1 1 Display Indication 11 1 2 Power LED Blinking timing chart 11 2 No Power 11 3 No Picture 11 4 Local screen failure TOP PREVIOUS...

Page 29: ...SCHEMA 99 11 1 Self Check TOP PREVIOUS NEXT 11 1 1 Display Indication 11 1 2 Power LED Blinking timing chart TOP PREVIOUS NEXT...

Page 30: ...a display 2 To get into the Self check mode press the volume down button on the customer controls at the front of the set at the same time pressing the OFF TIMER button on the remote control and the s...

Page 31: ...tents When an abnormality has occurred the unit the protection circuit operates and reset to the stand by mode At this time the defective block can be identified by the number of blinkes of the Power...

Page 32: ...ower TOP PREVIOUS NEXT First check point There are following 3 states of No Power indication by power LED 1 No lit 2 Green is lit then turns red blinking a few seconds later 3 Only red is lit 1 No lit...

Page 33: ...SCHEMA 99 11 3 No Picture TOP PREVIOUS NEXT TOP PREVIOUS NEXT...

Page 34: ...SCHEMA 99 11 4 Local screen failure TOP PREVIOUS NEXT Plasma display may have local area failure on the screen Fig 1 is the possible defect P C B for each local area Fig 1 TOP PREVIOUS NEXT...

Page 35: ...election while power is on Initial VOL level Off Sets the initial volume level when the power is turned on Allow Volume control while power is on Maximum VOL Level Off Sets the maximum volume to desir...

Page 36: ...f 2 Schematic Diagram 14 11 HY Board 2 of 2 Schematic Diagram 14 12 J Board Block Diagram 14 13 J Board 1 of 4 Schematic Diagram 14 14 J Board 2 of 4 Schematic Diagram 14 15 J Board 3 of 4 Schematic D...

Page 37: ...iagram 14 32 SC Board Block Diagram 14 33 SC Board 1 of 2 Schematic Diagram 14 34 SC Board 2 of 2 Schematic Diagram 14 35 SU Board Block Diagram 14 36 SU Board Schematic Diagram 14 37 SD Board Block D...

Page 38: ...SCHEMA 99 18 Schematic Diagram for printing with A4 TOP PREVIOUS NEXT TOP PREVIOUS NEXT...

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