Zenith P50W26 Page 4 Service Manual Download | Manualshive

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Summary of Contents for P50W26

Page 1: ...5 USERS MENUS 9 SERVICING 12 PARTS 23 DIAGRAMS 25 SCHEMATICS 33 Published September 2002 by Technical Publications Zenith Electronics Corporation 201 James Record Road Huntsville Alabama 35824 1513 C...

Page 2: ...oints solder splashes or sharp solder points Be certain to remove all loose foreign particles 4 Check for physical evidence of damage or deterioration to parts and compo nents for frayed leads or dama...

Page 3: ...11 COMPONENT OFF SET ADJUSTMENT 11 EXTERNAL CONTROL 12 OVERVIEW 12 CONNECTION 12 RS 232C CONFIGURATIONS 12 SET ID 12 COMMUNICATION 13 NO VIDEO 1 18 NO SOUND 18 TROUBLESHOOTING 19 NO VIDEO 2 19 NO SOU...

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Page 5: ...ther information refer to the optional Tilt Wall Mounting Bracket Installation and Setup Guide Install this monitor only in a location where adequate ventilation is available Minimum allowable clearan...

Page 6: ...CKET This monitor operates on an AC power The voltage is indicated on the Specifications page Never attempt to operate the monitor on DC power 3 AUDIO VIDEO INPUT JACKS Connect audio video out from ex...

Page 7: ...U Displays on screen menus one by one Exits the current menu Memorizes menu changes NUMBER buttons WIN SIZE Adjusts the sub picture size WIN POSITION Moves the sub picture SPLIT ZOOM Enlarge the scree...

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Page 9: ...te 255 Gray signal which generated from Pattern Generator into Component input and RGB1 Input 2 Press POWER ON KEY on R C for adjustment and select MAX BIAS 3 Press Vol key 4 Original Full White scree...

Page 10: ...possible by the following sequence 1 Select WHITE PATTERN of HEAT RUN mode by press ing POWER ON KEY on remote control for adjust ment then operate HEAT RUN more than 15 minute 2 Supply 216Gray 128Gra...

Page 11: ...te EDID Write command 5 Operate EDID Read command and check whether Check Sum is OK 6 If Check Sum is NG repeat 3 4 7 If Check Sum is OK DDC Data for Analog RGB input is completed DDC DATA INPUT FOR D...

Page 12: ...Ready to send 8 CTS Clear to send 9 No Connection With the RS 232 input connected the set cannot be controlled by both an external control device and the remote control at the same time The set can o...

Page 13: ...s s 0 64 12 OSD select d 0 1 13 Abnormal state a 0 1 14 PIP z 0 3 15 PIP input select e 0 1 16 PIP sound select u 0 1 17 PIP position x 0 3 18 remote control adjustment mode j 0 1 Transmission Command...

Page 14: ...nts status about each function Set ID OK x Data x 03 Aspect Ratio Command r To adjust the screen format You can also adjust the screen format using the ratio Aspect Ratio Control button on remote cont...

Page 15: ...ssion Data Min 0 Max 64 Refer to Real data mapping as shown below b Set ID Data Cr Acknowledgement Data Min 0 Max 64 Set ID OK x Data x 09 Color Command c To adjust the screen color You can also adjus...

Page 16: ...trol PIP Picture in Picture You can also control PIP using the pip button on remote control or in the Special menu Transmission Data 0 PIP off 1 PIP small 2 PIP large z Set ID Data Cr Acknowledgement...

Page 17: ...adjustment turn the Monitor off and then on again 18 Change into Remote control adjustment mode Command j To control the Monitor with the remote control while the cable is still connected Transmission...

Page 18: ...Connect plug with the set Check AC Line Fuse Check voltage of Vs after disconnecting with CN802 CN803 CN804 Check short of Q603 Q703 Abnormal Replace Q603 Q703 Normal Check conditions of and various...

Page 19: ...3401 IC601 Check LA4282 IC603 Check Input Jack Abnormal Picture Input PC signal Normal Abnormal Check CXA2101 IC203 Normal Check ADV7123 IC406 Check IC501 Check 74F541D IC902 IC905 Check cable of pin...

Page 20: ...871VSMD08A PCB KBD RF 02CA 50IN 581 5020V00647A BUTTON CONTROL INNER 590 6871VSMD09A PCB PSW RF 02CA 50IN 591 5020V00648A POWER BUTTON INNER MN 50PZ4 600 6871VSMN17A PCB EXTRA RF02CA 610 3501V00085A B...

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Page 23: ...D RF 02CA 50IN 581 5020V00647A BUTTON CONTROL INNER 590 6871VSMD09A PCB PSW RF 02CA 50IN 591 5020V00648A POWER BUTTON INNER MN 50PZ4 600 6871VSMN17A PCB EXTRA RF02CA 610 3501V00085A BOARD ASSY P BOARD...

Page 24: ...P1 P806B P007B P112 P111 To Plasma To Plasma P110 To Plasma 5V 5V 5V GND GND GND 12V 12V GND GND NC NC 5V GND 15V GND NC VA NC NC NC NC GND NC Vse 5V cnt GND 15V GND GND NC 175V 175V 75V GND GND NC 26...

Page 25: ...29 P50W26 DIAGRAMS PV154 923 03499 P50W26 Block Diagram...

Page 26: ...30 P50W26 DIAGRAMS PV154 923 03499 P50W26 Main PCB M A I N TOP...

Page 27: ...31 P50W26 DIAGRAMS PV154 923 03499 P50W26 Other PCBs PRE AMP TOP PRE AMP BOTTOM LOCAL KEY TOP LOCAL KEY BOTTOM POWER S W TOP POWER S W BOTTOM RIGHT SPK TOP RIGHT SPK BOTTOM AUDIO TOP AUDIO BOTTOM...

Page 28: ...32 P50W26 DIAGRAMS PV154 923 03499 P50W26 Other PCBs...

Page 29: ...BY THE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 3...

Page 30: ...BY THE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 3...

Page 31: ...BY THE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 3...

Page 32: ...BY THE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 3...

Page 33: ...BY THE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 3...

Page 34: ...BY THE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 3...

Page 35: ...BY THE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 3...

Page 36: ...BY THE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 4...

Page 37: ...BY THE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9 10 4...

Page 38: ...FIED BY THE LETTER X IN THEIR COMPONENT DESIGNATORS REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT A B C D E F G 1 2 3 4 5 6 7 8 9...

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