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CM154 - 923-03495

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ZLD15A1B - SERVICING

SERVICING

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Summary of Contents for ZLD15A1B

Page 1: ...002 Overview 5 Servicing Troublshooting 15 Model Part Lists 21 Diagrams 25 Schematics 31 Printed in the U S A Model Series CONTENTS ZLD15A1B Published August 2002 by Technical Publications Zenith Elec...

Page 2: ...ents commonly are called Electro statically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semicon ductor chip components The followi...

Page 3: ...UTER CONNECTIONS 8 USER MENUS 9 CHANNEL 9 TIMER 9 VIDEO 10 SOUND 11 SPECIAL 12 SERVICING 15 OVERVIEW 15 PC INPUT MODE ADJUSTMENT 15 PARTS 21 MODEL PARTS 21 COMPONENT PARTS 21 DIAGRAMS 25 EXPLODED VIEW...

Page 4: ...4...

Page 5: ...RE IN PICTURE PIP Watch two channels at once on the same TV Imposes a full color inset picture in a corner of the main picture DIGITAL PROGRESSIVE SCAN Lines of video data are processed faster and seq...

Page 6: ...button Channel buttons Power button Menu button Remote control sensor Volume buttons On indicator on off button DC 12V ANT IN 75 PC INPUT COMPONENT 480i 480p 720p 1080i S VIDEO H P PC SOUND IN DVD DTV...

Page 7: ...l vol ch cc tv video 0 2 3 5 6 4 8 9 7 1 mts pip ch pip input position POWER BUTTON NUMBER BUTTONS FLASHBK BUTTON MENU BUTTON CHANNEL BUTTONS MTS BUTTON PIP BUTTON PIP INPUT BUTTON TV VIDEO BUTTON CAP...

Page 8: ...to DPM Display Power Management mode MENU ADJUSTMENTS Use the menu button to select the Special Menu Press the volume up and then use the channel up down buttons to select the PC option Press the volu...

Page 9: ...only memorize the channels which are being received at that time ADD DELETE CHANNELS You can select Memory to add the channel or Erase to delete the channel from memory In the channel menu press the v...

Page 10: ...nt channel will change to the set channel when the on timer is activated Unless a button is pressed within three hours after the TV is turned on by the on timer function the TV will automatically turn...

Page 11: ...s function selects the sound appropriate to the program being viewed While in the Sound menu press volume up and then use the channel up down buttons to select the DASP option Press volume up and use...

Page 12: ...les of the dialogue and narration of television programs For prerecorded programs program dialogue can be arranged into captions in advance CH Special Language Caption Text Captions Auto off Key lock...

Page 13: ...ct on or off Each press of channel up down buttons toggles between on and off CH Special Language Caption Text Captions Auto off Key lock Parental On Off On Move Back KEY LOCK The TV can be set up so...

Page 14: ...14...

Page 15: ...nal PC INPUT MODE ADJUSTMENT REQUIRED TEST EQUIPMENT 1 A pattern generator being in proportion to 801GF or VG819 Gray Pattern of 16 11 tones 2 A Service remote control AUTO GRAY ADJUSTMENT 1 Perform H...

Page 16: ...QF 3RODULW B S B S UHT ON 0 9B7RWDO 9B LVSOD 9B ODQNLQJ 9B6 QF 9 3RODULW 9B S 9B S 69 326 326 69 326 326 1 1 1 326 326 0 1 1 326 326 0RGH B7RWDO B LVSOD B ODQNLQJ B6 QF 3RODULW B S B S UHT ON 0 9B7RW...

Page 17: ...SERVICING CM154 923 03495 17 ZLD15A1B SERVICING 7KH WHQGHG LVSOD GHQWLILFDWLRQ DWD 7DEOH 2SWLRQ GDWD 35a 67 ELW 6 6 ELW 237 21 DWD 35 7 7 69 723 67 6 6 6 57 237 21 DWD 35 7 7 69 723 67 6 6 6 57...

Page 18: ...CM154 923 03495 18 ZLD15A1B SERVICING SERVICING 237 21 DWD 35 7 7 69 723 67 6 6 6 57 237 21 DWD 35 7 7 69 723 67 6 6 6 57...

Page 19: ...SERVICING CM154 923 03495 19 ZLD15A1B SERVICING 237 21 DWD 35 7 7 69 723 67 6 6 6 57 237 21 DWD 35 7 7 69 723 67 6 6 6 57...

Page 20: ...CM154 923 03495 20 ZLD15A1B SERVICING SERVICING 237 21 DWD 35 7 7 69 723 67 6 6 6 57 2SWLRQ GDWD 06a ELW 1 ELW 2SWLRQ GDWD 7a 8 ELW 237 21 DWD 06 92 9 237 21 DWD 7 0 6 9 0212 86...

Page 21: ...ER 220000PF 2012 16V 10 C334 0CK224DF56A CAP CER 220000PF 2012 16V 10 C335 0CK224DF56A CAP CER 220000PF 2012 16V 10 C336 0CK224DF56A CAP CER 220000PF 2012 16V 10 C347 0CK224DF56A CAP CER 220000PF 2012...

Page 22: ...SISTOR FETS VISHAY SI4808DYP IC803 0TFVI80001A TRANSISTOR FETS VISHAY SI4808DYP IC804 0TF492509AA TRANSISTOR FETS SI4925DY TP TEMIC 30V 6 1A IC805 0TF492509AA TRANSISTOR FETS SI4925DY TP TEMIC 30V 6 1...

Page 23: ...Q605 0TR150400BA TRANS BI P CHIP 2SA1504S ASY Q702 0TR388009BB TRANS BI P KTC3880 YSOT23 CHIP Q703 0TR388009BB TRANS BI P KTC3880 YSOT23 CHIP Q704 0TR388009BB TRANS BI P KTC3880 YSOT23 CHIP Q705 0TR38...

Page 24: ...C SI 786 TU101 6700VNF019E TUNER TAFH H001P LG NTSC F X1 156 A01P RESON CRYSTAL HC49U SUN RAD 8 000MHZ 30PPM 16PF X301 6202VDT002E RESON CRYSTAL SX 1SMD SUN RAD 20250000HZ 30PPM 16PF X601 156 A02M RES...

Page 25: ...SSEMBLY ML 012A 9 5020V00360B RUBBER CONTROL BUTTON SET 10 6304FLP006A LCD LC151X01 A3 TFT 11 6871VSMA56A PCB ASSEMBLY SU CONT ML 012A 12 6633VA0003G INVERTER ASSY 12VOLT 13 4814V00228A CASEINVERTER S...

Page 26: ...432MHz L SPK WOOFER H P I2S IC601 Audio Processor MSP 3440 SIF_IN SC2_IN SC2_OUT SC3_IN I2S 2 18 432MHz L SPK WOOFER H P I2S 8 0V 5 0V L R TUNER TUNER ANT RF INPUT CVBS IC1 MICOM TXT CAPTION 6MHZ IC1...

Page 27: ...CM154 923 03495 27 ZLD15A1B DIAGRAMS DIAGRAMS WIRING DIAGRAM CN2 CN3 P001B MAIN1 PWB P902 CN1 P1 P2 P602 P601 P201...

Page 28: ...CM154 923 03495 28 ZLD15A1B DIAGRAMS DIAGRAMS MAIN PCB TOP...

Page 29: ...CM154 923 03495 29 ZLD15A1B DIAGRAMS DIAGRAMS MAIN PCB BOTTOM...

Page 30: ...CM154 923 03495 30 ZLD15A1B DIAGRAMS DIAGRAMS CONTROL PANEL PCB...

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Page 33: ...IDENTIFIED BY THE SYMBOL AND OR SHADING REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT 31 ZLD15A1B SHEET 31 CM154 923 03495 ZLD15A1...

Page 34: ...RE IDENTIFIED BY THE SYMBOL AND OR SHADING REPLACE ONLY WITH PART NUMBERS SPECIFIED ALL SYMBOLS WITH M ON END OF DESIGNATOR INDICATE SURFACE MOUNTED COMPONENT 32 ZLD15A1B SHEET 32 CM154 923 03495 ZLD1...

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