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CM154 - 923-03488

15

L20V26 - PARTS

PARTS

IC501 0ITI808300B

IC,TEXAS INSTRUMENT, THS8083 100QFP
ADC IC PD-40X3

IC502 0IMR882840B

IC,MACRONIX, MX88L284-V 208QFP SCALE
MF004A

IC505 0ISS416162B

IC,SAMSUNG,K4S161622D-TC80 50 TSOP
SDRAM

IC506 0TF492509AA

TRANSISTOR,FETS, SI4925DY TP TEMIC 30V
6.1A

IC507 0IKE702700D

IC,KEC, KIA7027AF 3, SOT-89 TP RESET IC
2.7V

IC508 0ICTMMO001A

IC,CUSTOMIZED, SC786104DWR2 MOTOROL

IC509 0IKE703300E

IC,KEC, KIA7033AF 3P SOT-89

IC801 0ITC786000A

IC,TEMIC, SI786 28SSOP

IC802 0TFVI80001A

TRANSISTOR,FETS, VISHAY SI4808DY

IC803 0TFVI80001A

TRANSISTOR,FETS, VISHAY SI4808DY

IC806 0TF492509AA

TRANSISTOR,FETS, SI4925DY TP TEMIC 30V
6.1A

IC807 0TF492509AA

TRANSISTOR,FETS, SI4925DY TP TEMIC 30V
6.1A

IC808 0TF492509AA

TRANSISTOR,FETS, SI4925DY TP TEMIC 30V
6.1A

IC809 0IKE781200P

IC,KEC, KIA7812API TO220 ST 3P 12V
REGULATOR

IC850 0ISH092100B

IC,SHARP, PQ09RD21 4SIP ST REGULATOR

IC851 0ISH323422A

IC,SHARP, PQ3RF23 4P(TO-220) 3.3V
REGUL

IC852 0IKE780500P

IC,KEC,  KIA78L05BP(AT) 3P 5V,150MA

IC853 0ISH052100C

IC,SHARP, PQ05RD21 4SIP ST REGULATOR

IC854 0ISH122100B

IC,SHARP, PQ12RD21 4SIP ST REGULATOR

IC901 0IMCRMN002A

IC,MICRO CONTROLLER, MSP3400G QA B6
MICRO

IC902 0IKE703300E

IC,KEC, KIA7033AF 3P SOT-89

IC903 0IKE780800J

IC,KEC, KIA7808API 3 ST REGULATOR

IC904 0IKE780500Q

IC,KEC, KIA7805API 3P TO-220 ST
REGULATOR 5V(=KIA7805PI)

IC905 0ISA428200A

IC,SANYO,  LA4282 12S 2CHX10W AUDIO
AMP

L1

0IFA270000A

IC,FAIRCHILD, 2N7000TA TO-92, LEVEL
SHIFT 60V/0.2A,MC007A

L101

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L102

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L103

0LA0272K139

INDUCTOR,AXIAL LEAD, 27UH 10% A 4.0 X
10.5

L1101 0LA0222K119

INDUCTOR,AXIAL LEAD, 22UH 10% A 2.3 X
3.4

L2

0IFA270000A

IC,FAIRCHILD, 2N7000TA TO-92, LEVEL
SHIFT 60V/0.2A,MC007A

L207

6210TCE001A

FILTER(CIRC),EMC, HB-1S2012-080JT
CERATEC

L209

6210TCE001A

FILTER(CIRC),EMC, HB-1S2012-080JT
CERATEC

L210

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L211

6210TCE001A

FILTER(CIRC),EMC, HB-1S2012-080JT
CERATEC

L212

6210TCE001A

FILTER(CIRC),EMC, HB-1S2012-080JT
CERATEC

L214

0LA0331K119

INDUCTOR,AXIAL LEAD, 3.3UH 10% A 2.3
X 3.4

L215

0LA0331K119

INDUCTOR,AXIAL LEAD, 3.3UH 10% A 2.3

X 3.4

L216

0LA0331K119

INDUCTOR,AXIAL LEAD, 3.3UH 10% A 2.3
X 3.4

L217

0LA0331K119

INDUCTOR,AXIAL LEAD, 3.3UH 10% A 2.3
X 3.4

L218

0LA0331K119

INDUCTOR,AXIAL LEAD, 3.3UH 10% A 2.3
X 3.4

L305

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L306

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L307

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L308

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L309

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L310

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L311

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L312

6210TCE001A

FILTER(CIRC),EMC, HB-1S2012-080JT
CERATEC

L401

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L402

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L403

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L511

6210TCE001A

FILTER(CIRC),EMC, HB-1S2012-080JT
CERATEC

L512

6210TCE001A

FILTER(CIRC),EMC, HB-1S2012-080JT
CERATEC

L519

6210TCE001E

FILTER(CIRC),EMC, HB-1M2012-800JT
CERATEC 2012MM

L601

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L602

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L603

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L801

6140VB0004B

COIL,CHOKE, 26UH 1UEWPHY 22.5TURN
YL-9N 0.4

L802

6140VB0004B

COIL,CHOKE, 26UH 1UEWPHY 22.5TURN
YL-9N 0.4

L803

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L804

6140VB0004A

COIL,CHOKE, 9.5UH 1UEWPHY 13.5TURN
YL-9N 0.5

L805

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L806

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L807

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L90

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L901

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L902

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

L903

6210TCE001G

FILTER(CIRC),EMC, HH-1M3216-501
CERATEC 3216MM

Summary of Contents for L20V26 Seroes

Page 1: ...Product Year 2002 Safety 2 Overview 5 Servicing 12 Parts 13 Diagrams 19 Schematic 25 Printed in U S A Model Series CONTENTS L20V26 Published June 2002 by Technical Publications Zenith Electronics Corporation 201 James Record Road Huntsville Alabama 35824 1513 Copyright 2002 by Zenith Electronics Corporation ...

Page 2: ...nents 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 following techniques should be used to help reduce the incidence of component damage caused by static electricity 1 Immediately before handling any semiconductor component or semiconductor equipped assembly...

Page 3: ...RONT 7 BACK 7 USER MENUS 8 MENU LANGUAGE 8 CLOSED CAPTIONING 8 PARENTAL CONTROL 9 CHANNEL SEARCH 9 SLEEP TIMER 10 AUDIO SETUP 10 VIDEO 11 SERVICING 12 ADJUSTMENTS 12 PARTS 13 MODEL PARTS 13 COMPONENT PARTS 13 DIAGRAMS 19 EXPLODED VIEW 19 BLOCK DIAGRAM 20 MAIN PCB LAYOUT 21 MX PCB LAYOUT 22 TUNER PCB LAYOUT 23 CONTROL PANEL PCB LAYOUT 23 MAIN L20V26 CIRCUIT 25 ...

Page 4: ... 4 ...

Page 5: ...ity images than the conventional interlacing method DIGITAL PROGRESSIVE SCAN Lines of video data are processed faster and sequentially a significant improvement on the old interlacing method This allows the TV to display crisp clear images when receiving data from a DVD player or other video sources requiring more bandwidth NTSC TUNER Accepts standard United States broadcast video signals as desig...

Page 6: ...ear 1 Year MTBF Approx 40K Hours DIMENSIONS Width x Height x Depth Monitor 27 4 x 19 x 7 7 Weight 30 2 lbs DIMENSIONS WITH PACKAGING Width x Height x Depth 22 8 x 24 8 x 11 9 Weight 36 4 lbs UPC Code 4464200402 6 REMOTE CONTROL power flashbk menu mute sleep ch enter vol vol ch cc tv video 0 2 3 5 6 4 8 9 7 1 mts TV VIDEO BUTTON CAPTION BUTTON MUTE BUTTON ENTER BUTTON VOLUME BUTTONS SLEEP BUTTON PO...

Page 7: ...nates brightly when the TV is in standby mode Dims when the TV is switched on DC 15V DC 12V 0 2A S ANT IN 75Ω L L Y PB PR DVD DTV 480i 480p DC IN 15V DC 12V 0 2A ANT IN 75Ω L L Y PB PR DVD DTV IN COMPONENT 480i 480p L R AUDIO OUT S VIDEO IN MONITER OUT H P R L VIDEO VIDEO AUDIO R L AUDIO MONO Power Input Antenna Input DVD DTV Input Headphone Jack Audio Video Input S Video Input Monitor Output Powe...

Page 8: ...s while Another mode might show demonstration or programming information CAPTIONS TEXT SETUP Captions Off Caption Text CC 1 Parental Ctl Language English Use And Use the menu button to select the menu shown Use the channel up down buttons to select the Caption Text option Each time you press the volume up down buttons the caption mode is cycled to the next option CC 1 CC 3 CC 2 CC 4 Text 3 Text 4 ...

Page 9: ...o set the number of hours for the blocking Up to 99 Use the channel up down buttons to select the Set Password option Enter a four digit password Enter it again when requested A new password may be chosen each time blocking is set up Press the channel up down buttons to select the Lock on off option Press the volume up down buttons to turn the lock On Press the menu button to save the blocking set...

Page 10: ...l Program TV 7 Memory TV 7 Memory Use And Press the enter button to select and exit The current channel is added to Memory or Erased from the channel list SLEEP TIMER Sleep timer turns the TV off at a preset time Use the sleep button to set sleep timer Each press of sleep changes the setting as shown below 10 20 30 60 240 180 120 90 Sleep Use And To cancel sleep time setting press the sleep button...

Page 11: ...t 0 Sharpness 70 APC Clear DRP Clear Use And APC AUTO PICTURE CONTROL APC adjusts the TV for the best picture appearance Use the channel up down buttons to select the APC option Each press of volume up down button selects a different picture appearance Options are Clear Optimum User and Soft Press the enter button to select and exit Clear Optimum User Soft Contrast 100 Brightness 60 Color 60 Tint ...

Page 12: ...Key or SVC Key of Remote Control for Adjustment 3 Press the VOL Key repeatly to appear OK AUTO RGB ADJUSTMENT 1 Adjust RGB after performing DVCO Adjustment 2 Receive a Digital Pattern 3 Select AUTO RGB ADJ by pressing ADJ Key or SVC Key of Remote Control for Adjustment 4 Press the VOL Key repeatly to appear OK RGB LEVEL ADJUSTMENT Equipment 1 Pattern Generator 408NPS READER with 10 STEP if availab...

Page 13: ...ERAMIC HDE 220000PF 2012 16V 10 C241 0CK224DF56A CAP FIXED CERAMIC HDE 220000PF 2012 16V 10 C242 0CE226DF618 CAP FIXED ELECTRO 22UF STD 16V 20 C244 0CE107DF618 CAP FIXED ELECTRO 100UF STD 16V 20 C248 0CK224DF56A CAP FIXED CERAMIC HDE 220000PF 2012 16V 10 C249 0CK224DF56A CAP FIXED CERAMIC HDE 220000PF 2012 16V 10 C25 0CE106DF618 CAP FIXED ELECTRO 10UF STD 16V 20 C250 0CK224DF56A CAP FIXED CERAMIC ...

Page 14: ...A CAP FIXED CERAMIC HDE 220000PF 2012 16V 10 C933 0CK224DF56A CAP FIXED CERAMIC HDE 220000PF 2012 16V 10 C935 0CE106DF618 CAP FIXED ELECTRO 10UF STD 16V 20 C936 0CK224DF56A CAP FIXED CERAMIC HDE 220000PF 2012 16V 10 C937 0CK224DF56A CAP FIXED CERAMIC HDE 220000PF 2012 16V 10 C938 0CK224DF56A CAP FIXED CERAMIC HDE 220000PF 2012 16V 10 C94 0CE476DF618 CAP FIXED ELECTRO 47UF STD 16V 20 C940 0CK224DF5...

Page 15: ...TEC 3216MM L211 6210TCE001A FILTER CIRC EMC HB 1S2012 080JT CERATEC L212 6210TCE001A FILTER CIRC EMC HB 1S2012 080JT CERATEC L214 0LA0331K119 INDUCTOR AXIAL LEAD 3 3UH 10 A 2 3 X 3 4 L215 0LA0331K119 INDUCTOR AXIAL LEAD 3 3UH 10 A 2 3 X 3 4 L216 0LA0331K119 INDUCTOR AXIAL LEAD 3 3UH 10 A 2 3 X 3 4 L217 0LA0331K119 INDUCTOR AXIAL LEAD 3 3UH 10 A 2 3 X 3 4 L218 0LA0331K119 INDUCTOR AXIAL LEAD 3 3UH ...

Page 16: ... TRANSISTOR BIPOLARS CHIP 2SC3875S ALY Q208 0TR387500AA TRANSISTOR BIPOLARS CHIP 2SC3875S ALY Q209 0TR387500AA TRANSISTOR BIPOLARS CHIP 2SC3875S ALY Q210 0TR387500AA TRANSISTOR BIPOLARS CHIP 2SC3875S ALY Q211 0TR387500AA TRANSISTOR BIPOLARS CHIP 2SC3875S ALY Q212 0TR387500AA TRANSISTOR BIPOLARS CHIP 2SC3875S ALY Q213 0TR387500AA TRANSISTOR BIPOLARS CHIP 2SC3875S ALY Q214 0TR150400BA TRANSISTOR BIP...

Page 17: ...WITCH PUSH SDKLA1 ALPS UL CSA 250V 5A SW1102 140 313A SWITCH TACT TACT 2LEAD 100G TA SW1103 140 313A SWITCH TACT TACT 2LEAD 100G TA SW1104 140 313A SWITCH TACT TACT 2LEAD 100G TA SW1105 140 313A SWITCH TACT TACT 2LEAD 100G TA SW1106 140 313A SWITCH TACT TACT 2LEAD 100G TA SW1107 140 313A SWITCH TACT TACT 2LEAD 100G TA SY302 6200VKR001B FILTER CIRC BAND PASS LPF 2EA SMD TH355LSK K5214 SY525 6210VC0...

Page 18: ... 18 ...

Page 19: ...VSMA75F POWER PCB ASSY 4 5020V00553E BUTTON SET 39 5 5020V00552H BUTTON SET 6 6871VSMA74A CTL PCB ASSY 7 6304VT2011A LCD LC201V1 A1 20 1 8 6633VA0003D INVERTER ASSY 15VOLT KUBNKM022A 9 6871VSM814B MX PCB ASSY 10 6871VMM644L MAIN PCB ASSY 11 6871VSM812B TUNER PCB ASSY 12 3809V00A10J BACK COVER ASSY 13 3550V00202A A V COVER ABS 14 4950V00081B METAL HINGEFIXER SUS304 15 4811V00019E BRACKET ASSY L20V2...

Page 20: ...der A D Converter VPC 3230D COMB FIL 4H INPUT 4 CVBS 1 S VHS 2 RGB YCrCb 1 F B 1 CVBS OUTPUT Y Cr Cb OUTPUT IC1 MICOM TXT 6 0MHz Caption Processor POWER DC to DC Converter SI786 SI4808DY T801 30 V 5V SCL SDA CVBS SIF IF AGC 5V 3 3V 33V X2 Y U V 480P Y U V 480P 0 5 0 7 Y U V 4 2 2 4 2 2 Y U V Analog R G B H V Dual Audio AMP LA4282 SCL SDA L SPK R SPK R G B OSD H V 2H VIDEO H V CLK 5V 3 3V 3 3 V 9V ...

Page 21: ...CM154 923 03488 21 L20V26 PCBS PCB LAYOUTS MAIN PCB LAYOUT ...

Page 22: ...CM154 923 03488 22 L20V26 PCBS PCB LAYOUTS MX PCB LAYOUT ...

Page 23: ...CM154 923 03488 23 L20V26 PCBS PCB LAYOUTS TUNER PCB LAYOUT CONTROL PANEL PCB LAYOUT TUNER TOP TUNER BOTTOM CONTROL POWER ...

Page 24: ... 24 ...

Page 25: ......

Page 26: ......

Page 27: ...9 10 L20V26 SHEET 25 CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL REPLACE ONLY WITH PART NUMBERS SPECIFIED NOTE WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC CHANNEL 5 AND NSTC COLOR BARS CM154 923 03488 Main L20V26 Circuit ...

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