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PV154 - 923-03499

14

P50W26 - SERVICING

SERVICING

01. Power (Command:p)

To control Power On/Off of the Monitor.

Transmission

Data 0  : Power Off

1  : Power On 

* Example : Power on for set ID No.3.

Type : P 3 1  0x0D

[p][  ][Set ID][  ][Data][Cr]

Acknowledgement

Data 0  : Power Off

1  : Power On 

* In example : Monitor Acknowledges power on for set ID

No.3.

[Set ID][:][OK][x][Data][x]

02. Input select (Command:i)

To select input source for the Monitor. 
You can also select an input source using the
video/pc button on the Monitor’s remote control.

Transmission

Data 0 : RGB

1 : AV (Video)
2 : Component
3  : S-AV (S-Video)

[i][  ][Set ID][  ][Data][Cr]

Acknowledgement

Data 0 : RGB

1 : AV (Video)
2 : Component
3  : S-AV (S-Video)

[Set ID][:][OK][x][Data][x]

To show Power On/Off.

Transmission

[p][  ][Set ID][  ][FF][Cr]

Acknowledgement

Data 0  : Power Off

1  : Power On (RGB)
2  : Power On (Video)
3  : Power On (Component)
4  : Power On (S-Video)

* In like manner, if other functions transmit  FF data

based on this format, Acknowledgement data feed
back presents 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 control or in
the Special menu.

Transmission

Data 0  :  Wide screen (16:9)

1  :  Normal screen (4:3) 
2  :  Full screen (Zoom) 

[r][  ][Set ID][  ][Data][Cr]

Acknowledgement

Data 0  :  Wide screen (16:9)

1  :  Normal screen (4:3) 
2  :  Full screen (Zoom) 

* Using the PC input, you select either 16:9 or 4:3 screen

aspect ratio.

* Using the DTV 720p/1080i input, you can only select

16:9 screen aspect ratio.

[Set ID][:][OK][x][Data][x]

04. Screen mute (Command:m)

To select screen mute on/off.

Transmission

Data 0  :  Screen mute on (Picture off)

1  :  Screen mute off (Picture on)

[m][  ][Set ID][  ][Data][Cr]

Acknowledgement

Data 0  :  Screen mute on (Picture off)

1  :  Screen mute off (Picture on)

[Set ID][:][OK][x][Data][x]

05. Volume mute (Command:w)

To control volume mute on/off.

You can also adjust mute using the mute button on
remote control.

Transmission

Data 0  :  Volume mute on (Volume off)

1  :  Volume mute off (Volume on)

[w][  ][Set ID][  ][Data][Cr]

Acknowledgement

Data 0  :  Volume mute on (Volume off)

1  :  Volume mute off (Volume on)

[Set ID][:][OK][x][Data][x]

Содержание P50W26

Страница 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...

Страница 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...

Страница 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...

Страница 4: ......

Страница 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...

Страница 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...

Страница 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...

Страница 8: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 21: ......

Страница 22: ......

Страница 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...

Страница 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...

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

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

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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