Zenith P50W26 series Service Manual
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SERVICE MANUAL
Product Type:
Chassis:
Manual Series: PV154
Manual Part #: 923-03499
Model Line:
Product Year:
Made/Printed
in the U.S.A.
PLASMA
RF-02CA
E
2002
CONTENTS
OVERVIEW ................................................. 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
Copyright
2002 by Zenith Electronics Corporation
Model Series:
P50W26
P50W26B
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Table of Contents
Related Manuals for Zenith P50W26 series
Summary of Contents for Zenith P50W26 series
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Page 1: Service Manual
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 Copyright 2002 by Zenith Electronics Corporation Made/Printed in the U.S.A. - Page 2 When servicing this product, under no circumstances should the original air flow. design be modified or altered without permission from Zenith Electronics Corporation. All components should be replaced only with types identical to Avoid conditions of high humidity such as: outdoor patio installations...
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Page 3: Table Of Contents
TABLE OF CONTENTS P50W26 OTHER PCBS ......31 OVERVIEW ............5 P50W26 OTHER PCBS ......32 GENERAL INFO ........... 5 SCHEMATICS ..........33 SPECIFICATIONS ........5 CIRCUIT ..........33 INSTALLATION ........5 CIRCUIT ..........34 CONNECTING A COMPUTER ....... 5 CIRCUIT .......... -
Page 5: Overview
Overview OVERVIEW GENERAL INFO and stands are optional and not supplied with the monitor. (For further information, refer to the optional SPECIFICATIONS Tilt/Wall Mounting Bracket Installation and Setup Guide.) Screen Size 50 in diagonal Install this monitor only in a location where adequate Aspect Ratio 16:9 (width:height) ventilation is available. -
Page 6: Front
OVERVIEW FRONT Power Standby Indicator Illuminates red in standby mode, green when the Monitor is on. Remote Control Sensor Input Select ON/OFF INPUT MENU SELECT Menu Channel Volume Main Power Button BACK (MONO) AUDIO AUDIO ( ) L ( ) R AUDIO VIDEO COMPONENT... -
Page 7: Remote Control
OVERVIEW REMOTE CONTROL POWER Switches the Monitor on from standby or off to standby. POWER INPUT SELECT SLEEP Selects: VIDEO S-VIDEO RGB1/2 Sets the sleep timer. SLEEP INPUT SELECT mode. COMPONENT DASP DASP To select the sound appropriate to Adjusts the factory preset picture PIP ARC your viewing program character: according to the room. -
Page 9: Servicing
SERVICING (5) After adjustment, press ¥ key to save adjustment SERVICING and come out of the adjustment mode. OVERVIEW To check whether the circuit adjustment is operated well Because this is not a hot chassis, it is not necessary to or not: use an isolation transformer. -
Page 10: Adjustment Of White Balance
SERVICING Va voltage COLOR adjustment ANALYZER variable resistor CA-100 R-L 70 G-L 70 R-M 128 RGB Signal Input G-M 128 Low Light R-H 216 70 Gray Level PDP MONITOR G-H 216 20~25Cd/§‡ Window MSPG-2100 or MSTG-5200 <Fig 4> Connection Diagram of Manual Adjustment(Low Light) ADJUSTMENT OF WHITE BALANCE Operate the Zero-calibration of the CA-100, then stick... -
Page 11: Ddc Data Input
SERVICING X: 0.290±0.003, Y: 0.300±0.003 COMPONENT OFF-SET ADJUSTMENT 1) Input the signal to HD-STB(SK-010T) and receive 14Ch. Color temperature: 8, 500¡K±500¡K 2) Input Video signal and Component 720P, 1080i sig- 7) Exit adjustment mode using o Key. nal of HD-STB into AV1 and Component input part. DDC DATA INPUT 3) Select Twin Picture by pressing ADJ twice on R/C, check REQUIRED TEST EQUIPMENT... -
Page 12: External Control
SERVICING EXTERNAL CONTROL control device. OVERVIEW RS-232C CONFIGURATIONS Connect the RS-232C input jack to an external control 7-WIRE CABLE CONFIGURATION device (such as a computer or an A/V control system) and control the set’s functions externally. 7-wire configuration Connect the serial port of the control device to the RS- (Standard RS-232C cable) 232C jack on the Monitor back panel. -
Page 13: Communication
SERVICING the volume up button. Use the volume button to adjust Transmission / Receiving Protocol SET ID to choose a desired monitor ID number. The adjustment range for SET ID is 1- 99. Default monitor ID Transmission is 1. [Command][ ][Set ID][ ][Data][Cr] COMMUNICATION * [Command] : To control PDP set. - Page 14 SERVICING 01. Power (Command:p) 03. Aspect Ratio (Command:r) To adjust the screen format. To control Power On/Off of the Monitor. You can also adjust the screen format using the ratio Transmission (Aspect Ratio Control) button on remote control or in the Special menu.
- Page 15 SERVICING 06. Volume control (Command:v) 09. Color (Command:c) To adjust the screen color. To adjust volume. You can also adjust color in the Picture menu. You can also adjust volume with the volume buttons Transmission on remote control. Transmission [c][ ][Set ID][ ][Data][Cr] Data Min : 0 ~ Max : 64...
- Page 16 SERVICING 12. OSD select (Command:d) 14. PIP (Command:z) To control PIP (Picture-in-Picture). You can also control To select OSD (On Screen Display) on/off. PIP using the pip button on remote control or in the Special menu. Transmission [d][ ][Set ID][ ][Data][Cr] Transmission Data 0 : OSD off [z][ ][Set ID][ ][Data][Cr]...
- Page 17 SERVICING 16. PIP sound select (Command:u) 18. Change into Remote control adjustment mode (Command:j) To select main or sub (inset) sound for PIP. You can also select sound select in PIP on the To control the Monitor with the remote control while special menu.
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Page 18: No Video 1
SERVICING NO VIDEO 1 No video Abnormal Check Input of AC Connect plug with the set (90~225V) Normal Abnormal Check ST-BY LED ON Check AC Line Fuse Main S/W ON Normal Check voltage of Vs after Abnormal Abnormal Check LED YELLOW disconnecting with CN802, Replace Q603, Q703 CN803, CN804. -
Page 19: Troubleshooting
SERVICING TROUBLESHOOTING NO VIDEO 2 Abnormal Picture Abnormal Check Input PC signal IC501 Normal Check 74F541D Check CXA2101 IC203 IC902~IC905 Normal Check cable of pin 41 Check ADV7123 IC406 P902 Normal Check FLI2220 IC404 Normal Check FLI2200 IC403 Normal Check VPC3230 IC201 Normal Check Input jack &... -
Page 20: Model Parts
PARTS All 50” models are module level repair only. Parts contact information is below. Voice: 1-888-3-ZENITH Fax: 1-888-6-ZENITH Mail: Zenith National Parts 201 James Record Road Huntsville, AL 35824-1513 P50W26B P50W26 Loc. Part No. Description Loc. Part No Description 6348Q-C030C PDP 50"... -
Page 23: Diagrams
Diagrams P50W26 Exploded View P50W26 P50W26B Loc. Part No. Description Loc. Part No. Description 200 6348Q-C030C PDP 50" 16:9 1365*768 DU 200 6348Q-C030C PDP 50" 16:9 1365*768 DU 201 6871QCH019A PCB ASSY,DI CTRL 201 6871QCH019A PCB ASSY,DI CTRL 202 6871QDH030A PCB ASSY,DI YDRV 202 6871QDH030A PCB ASSY,DI YDRV... -
Page 24: P50W26 Interconnect Diagram
P50W26 Interconnect Diagram NOTE: Some plug locations on the PWB vary depending on model. To Plasma To Plasma FAN GND CN802 CN803 FAN GVCC 5V cnt P601A P801 CN801 CN805 P806B 5V cnt 175V 5Vcnt 5V cnt 175V 5V cnt CN804 5V cnt To Plasma... -
Page 25: P50W26 Block Diagram
P50W26 Block Diagram P50W26 - DIAGRAMS PV154 - 923-03499... -
Page 26: P50W26 Main Pcb
P50W26 Main PCB M A I N( TOP) PV154 - 923-03499 P50W26 - DIAGRAMS... -
Page 27: P50W26 Other Pcbs
P50W26 Other PCBs AUDIO(TOP) LOCAL KEY(TOP) RIGHT SPK(TOP) RIGHT SPK(BOTTOM) LOCAL KEY(BOTTOM) PRE-AMP(TOP) POWER S/W(BOTTOM) POWER S/W(TOP) AUDIO(BOTTOM) PRE-AMP(BOTTOM) P50W26 - DIAGRAMS PV154 - 923-03499... - Page 28 P50W26 Other PCBs PV154 - 923-03499 P50W26 - DIAGRAMS...
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Page 29: Circuit
Circuit ALL SYMBOLS WITH “M” ON END OF DESIGNATOR CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIR PV154 - 923-03499 P50W26 SHEET 33 COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED. INDICATE SURFACE MOUNTED COMPONENT... - Page 30 Circuit CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIR ALL SYMBOLS WITH “M” ON END OF DESIGNATOR P50W26 SHEET 34 PV154 - 923-03499 COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED. INDICATE SURFACE MOUNTED COMPONENT...
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Page 31: Circuit
Circuit ALL SYMBOLS WITH “M” ON END OF DESIGNATOR CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIR PV154 - 923-03499 P50W26 SHEET 35 COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED. INDICATE SURFACE MOUNTED COMPONENT... -
Page 32: Circuit
Circuit CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIR ALL SYMBOLS WITH “M” ON END OF DESIGNATOR P50W26 SHEET 36 PV154 - 923-03499 COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED. INDICATE SURFACE MOUNTED COMPONENT... -
Page 33: Circuit
Circuit ALL SYMBOLS WITH “M” ON END OF DESIGNATOR CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIR PV154 - 923-03499 P50W26 SHEET 37 COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED. INDICATE SURFACE MOUNTED COMPONENT... -
Page 34: Circuit
Circuit CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIR ALL SYMBOLS WITH “M” ON END OF DESIGNATOR P50W26 SHEET 38 PV154 - 923-03499 COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED. INDICATE SURFACE MOUNTED COMPONENT... -
Page 35: Circuit
Circuit ALL SYMBOLS WITH “M” ON END OF DESIGNATOR CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIR PV154 - 923-03499 P50W26 SHEET 39 COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED. INDICATE SURFACE MOUNTED COMPONENT... -
Page 36: Circuit
Circuit CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIR ALL SYMBOLS WITH “M” ON END OF DESIGNATOR P50W26 SHEET 40 PV154 - 923-03499 COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED. INDICATE SURFACE MOUNTED COMPONENT... -
Page 37: Circuit
Circuit ALL SYMBOLS WITH “M” ON END OF DESIGNATOR CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIR PV154 - 923-03499 P50W26 SHEET 41 COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED. INDICATE SURFACE MOUNTED COMPONENT... - Page 38 CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIR ALL SYMBOLS WITH “M” ON END OF DESIGNATOR P50W26 SHEET 42 PV154 - 923-03499 COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED. INDICATE SURFACE MOUNTED COMPONENT...