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Zenith L30W26, Service Manual

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Zenith L30W26 Service Manual Download Page 5

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SPECIFICATIONS

Product Specifications

MODEL

Width (inches / mm)

Height (inches / mm)

Depth (inches / mm)

Weight (pounds / kg)

Power requirement

Resolution

Colors

L30W26

29.9 / 759

21.5 / 546

7.1 / 179.5

40.6 / 18.4

AC 120V, 60Hz

1280 x 768(Dot)

16,770,000 (256 steps of each R, G, and B)

• The specifications shown above may be changed without prior notice for

quality improvement.

Summary of Contents for L30W26

Page 1: ......

Page 2: ...Model Series CONTENTS Description of Controls 4 Adjustment Instructions 9 Troubleshooting 11 Diagrams 18 Parts List 27 Schematics 32 Published June 2002 by Technical Publications Zenith Electronics C...

Page 3: ...nts commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following...

Page 4: ...TROLS 5 ADJUSTMENT INSTRUCTION 9 TROUBLESHOOTING 11 EXTERNAL CONTROL DEVICE SETUP 12 PRINTED CIRCUIT BOARDS 18 BLOCK DIAGRAM 22 EXPLODED VIEW 26 EXPLODED VIEW PARTS LIST 27 REPLACEMENT PARTS LIST 28 S...

Page 5: ...mm Depth inches mm Weight pounds kg Power requirement Resolution Colors L30W26 29 9 759 21 5 546 7 1 179 5 40 6 18 4 AC 120V 60Hz 1280 x 768 Dot 16 770 000 256 steps of each R G and B The specificati...

Page 6: ...T SELECT INPUT SELECT Front Panel Controls Main Power Button Input Select Button Power Standby Indicator Illuminates orange in stand by mode illuminates green when the Monitor is turned on Remote Cont...

Page 7: ...PUT PC DTV INPUT RS 232C INPUT CONTROL SERVICE DC OUTPUT DC 12V R L EXTERNAL SPEAKER 6 Back Panel A V Input Component DVD DTV Input Jacks S video Audio Input Sound R L Jacks RGB 1 PC DTV Input RGB 2 D...

Page 8: ...ASP ARC PIP ARC PIP TWIN PICTURE SWAP SUB INPUT MENU MUTE VOL VOL ENTER ZOOM ZOOM WIN SIZE WIN POSITION MUTE switches the sound on or off VOL PIP ARC APC DASP PIP ARC PIP Operation TWIN PICTURE SLEEP...

Page 9: ...5 00 77 487 85 05 49 725 74 55 60 000 60 00 75 000 75 00 63 981 60 02 79 976 75 02 Resolution Horizontal Frequency KHz Vertical Frequency Hz 640x480 800x600 640x350 720x400 31 468 70 09 37 861 85 08 3...

Page 10: ...ht adjustment of this LCD panel is not necessary 3 2 EDID The Extended Display Identification Data Adjustment 1 This is the Plug and Play function used by computers to identify and communicate with th...

Page 11: ...B Adjustment 1 Select the WHITE PATTERN of the HEAT RUN mode by pressing the ADJ button on the Remote Control Then operate HEAT RUN for more than 15 minutes 2 Supply the pattern signal for WB adjustme...

Page 12: ...R937 R939 when the Pin Bias power no 7 of U903 is abnormal normal 15V 25V Replace U903 FAN7554 parts Check the error of Q802 4 Replace T802 1 Replace U901 MC33368D if there is no error in the peripher...

Page 13: ...code Use the Crossed reverse cable The RS 232C input jack is used to control the Monitor s functions using an external control device NAME Command Command DATA 01 Power k a 0 1 02 Input Select k b 0 4...

Page 14: ...ransmits ACK acknowledgement based on this format when receiving abnormal data from non viable functions or communication errors Data 01 illegal code This command is not supported 02 not support funct...

Page 15: ...and c G To adjust the screen format You can also adjust the screen format using the ARC button on remote control or in the Picture Adj menu Transmission Data 0 Wide screen 16 9 1 Normal screen 4 3 2 F...

Page 16: ...Data Cr Acknowledgement Data Min 0 Max 64 k Set ID OK Data X 12 OSD Select Command l G To select OSD On Screen Display on off Transmission Data 0 OSD off 1 OSD on k l Set ID Data Cr Acknowledgement Da...

Page 17: ...Cr Acknowledgement Data 0 Right down on screen 1 Left down on screen 2 Left up on screen 3 Right up on screen q Set ID OK Data X 15 PIP Size Command e G To select PIP size Transmission Data 0 Normal s...

Page 18: ...adecimal code v Set ID OK Data X 22 G Adjust Command w G To adjust G adjust in the color temperature Transmission k w Set ID Data Cr Acknowledgement Data Min 0 Max 64 Data Min 0 Max 64 Transmit as Hex...

Page 19: ...18 PRINTED CIRCUIT BOARDS MAIN TOP...

Page 20: ...19 MAIN BOTTOM PRINTED CIRCUIT BOARDS...

Page 21: ...20 SIDE A V TOP SIDE A V BOTTOM PRINTED CIRCUIT BOARDS...

Page 22: ...21 CONTROL TOP POWER TOP POWER BOTTOM CONTROL BOTTOM PRINTED CIRCUIT BOARDS...

Page 23: ...22 BLOCK DIAGRAM 1 VSC Board...

Page 24: ...RGB 2 Mode Compatibility Up to SXGA 60Hz See Compatibility Table in Product Specification in detail 2 2 Video Controls 1 RGB Video Controls Contrast Brightness Color Red Color Green Color Blue User S...

Page 25: ...24 3 Power BLOCK DIAGRAM...

Page 26: ...rt 5 10 through the control circuit 9 BLOCK 2 works as a forward converter by receiving Input from BLOCK 1 It supplies MAIN DC 24V 12V voltage and the Step Down circuit 8 supplies 18V BLOCK 3 works as...

Page 27: ...26 EXPLODED VIEW 112 300 400 520 501 530 580 531 420 410 550 551 540 570 943...

Page 28: ...MBLY MAIN MF 02HA MW 30LZ10 530 6871VSN182B PCB ASSEMBLY SUB A V MF 02HA MW 30LZ10 531 4930V00226E HOLDER AV 540 3141VPN048A CHASSIS ASSEMBLY SMPS MF 02HA LCD30 550 6871VSN181A PCB ASSEMBLY SUB SPK MF...

Page 29: ...IC705 IC706 IC707 IC708 IC710 IC801 IC802 0IMCRRS001A 0IDS232000A 0IDS170800A 0ISJ111733A 0IMMRSS064A 0IMMRMR006A 0IPH748600D 0IOK825522A 0IKE704200J 0IAL241610A 0IMCRFA008A 0IFA741230A 0IMCRFA008A 0...

Page 30: ...O DESCRIPTION C279 C286 C299 C300 C302 C304 C311 C312 C313 C314 C315 C316 C317 C323 C325 C501 C510 C523 C525 C527 C529 C531 C533 C535 C537 C540 C542 C576 C586 C588 C590 C594 C598 C602 C605 C612 C615 C...

Page 31: ...SLF7045T 150M1R1 TDK 15UF COIL SLF7045T 150M1R1 TDK 15UF COIL SLF7045T 150M1R1 TDK 15UF COIL SB1260 470 GET 47UH COIL SB1260 470 GET 47UH COIL SB1260 470 GET 47UH COIL SB1260 470 GET 47UH LOCA NO PAR...

Page 32: ...501 FILTER EMC ACB2012M 300 T FILTER EMC ACB2012M 300 T FILTER EMC ACB2012M 300 T FILTER EMC HH 1M3216 501 FILTER EMC HH 1M3216 501 FILTER EMC HH 1M3216 501 FILTER EMC HH 1M3216 501 FILTER EMC HH 1M3...

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