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CM154 - 923-03488

13

L20V26 - PARTS

PARTS

PARTS

This model is a Factory Service Repair model (in and out
of warranty) and is covered by a one year warranty. For
service, the end user should call 1-800-984-9349 for
complete shipping and handling instructions (or call 1-
877-9ZENITH). Refer to the last page of the opguide for
more information.

Parts contact information:

Voice: 1-888-3-ZENITH

Fax:

1-888-6-ZENITH

Mail:

Zenith National Parts

201 James Record Road

Huntsville, AL 35824-1513

MODEL PARTS

LOC.

PART NO.

DESCRIPTION

1

3091V00A20G

CABINET ASSY, ZENITH

2

120-D44E

SPEAKER G705/080701A MOTORJOY 4OHM

3

6871VSMA75F

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

1 0

6871VMM644L

MAIN PCB ASSY

1 1

6871VSM812B

TUNER PCB ASSY

1 2

3809V00A10J

BACK COVER ASSY

1 3

3550V00202A

A/V COVER ABS

1 4

4950V00081B

METAL  HINGE FIXER SUS304

1 5

4811V00019E

BRACKET ASSY

COMPONENT PARTS

LOC.

PART NO.

DESCRIPTION

C10

0CQ3321N509

CAP,FIXED, 0.0033UF D 100V 10%

C101

0CE476DH618

CAP,FIXED ELECTRO, 47UF STD 25V 20%

C102

0CQ1031N509

CAP,FIXED, 0.01UF D 100V 10%

C104

0CE108DD618

CAP,FIXED ELECTRO, 1000UF STD 10V 20%

C107

0CE106DK618

CAP,FIXED ELECTRO, 10UF STD 50V 20%

C11

0CQ6831N509

CAP,FIXED, 0.068UF D 100V 10%

C1101 0CE107DD618

CAP,FIXED ELECTRO, 100UF STD 10V 20%

C1102 0CN1030F679

CAP,FIXED TUBULAR(HDE), 10000PF D 16V
20%

C112

0CE475DK618

CAP,FIXED ELECTRO, 4.7UF STD 50V 20%

C12

0CE227DD618

CAP,FIXED ELECTRO, 220UF STD 10V 20%

C16

0CQ1041N509

CAP,FIXED, 0.1UF D 100V 10%

C2

0CQ6821N509

CAP,FIXED, 0.0068UF D 100V 10%

C205

0CE107DF618

CAP,FIXED ELECTRO, 100UF STD 16V 20%

C209

0CE106DF618

CAP,FIXED ELECTRO, 10UF STD 16V 20%

C210

0CE106DF618

CAP,FIXED ELECTRO, 10UF STD 16V 20%

C231

0CE476DF618

CAP,FIXED ELECTRO, 47UF STD 16V 20%

C232

0CE107DF618

CAP,FIXED ELECTRO, 100UF STD 16V 20%

C238

0CE476DF618

CAP,FIXED ELECTRO, 47UF STD 16V 20%

C24

0CE106DF618

CAP,FIXED ELECTRO, 10UF STD 16V 20%

C240

0CK224DF56A

CAP,FIXED CERAMIC(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(HDE), 220000PF 2012
16V 10%

C251

0CK224DF56A

CAP,FIXED CERAMIC(HDE), 220000PF 2012
16V 10%

C253

0CK224DF56A

CAP,FIXED CERAMIC(HDE), 220000PF 2012
16V 10%

C254

0CE105DK618

CAP,FIXED ELECTRO, 1UF STD 50V 20%

C255

0CK224DF56A

CAP,FIXED CERAMIC(HDE), 220000PF 2012
16V 10%

C256

0CE105DK618

CAP,FIXED ELECTRO, 1UF STD 50V 20%

C257

0CK224DF56A

CAP,FIXED CERAMIC(HDE), 220000PF 2012
16V 10%

C262

0CE4741K636

CAP,FIXED ELECTRO, 0.47UF SM,SA 50V
20%

C263

0CE224DK618

CAP,FIXED ELECTRO, 0.22UF STD 50V 20%

C273

0CE4741K636

CAP,FIXED ELECTRO, 0.47UF SM,SA 50V
20%

C274

0CE4741K636

CAP,FIXED ELECTRO, 0.47UF SM,SA 50V
20%

C3

0CQ6831N509

CAP,FIXED, 0.068UF D 100V 10%

C312

0CE107DF618

CAP,FIXED ELECTRO, 100UF STD 16V 20%

C313

0CE107DF618

CAP,FIXED ELECTRO, 100UF STD 16V 20%

C314

0CE107DF618

CAP,FIXED ELECTRO, 100UF STD 16V 20%

C315

0CE107DF618

CAP,FIXED ELECTRO, 100UF STD 16V 20%

C320

0CE107DF618

CAP,FIXED ELECTRO, 100UF STD 16V 20%

C321

0CE107DF618

CAP,FIXED ELECTRO, 100UF STD 16V 20%

C343

0CE476DF618

CAP,FIXED ELECTRO, 47UF STD 16V 20%

C349

0CE106DF618

CAP,FIXED ELECTRO, 10UF STD 16V 20%

C359

0CE107DF618

CAP,FIXED ELECTRO, 100UF STD 16V 20%

C402

0CE476DF618

CAP,FIXED ELECTRO, 47UF STD 16V 20%

C408

181-007H

CAP,DRAWING, MPE ECQ-V1H474JL3(TR),
50V 0.47UF

C417

0CE476DF618

CAP,FIXED ELECTRO, 47UF STD 16V 20%

C418

0CE106DF618

CAP,FIXED ELECTRO, 10UF STD 16V 20%

C419

0CE105BK618

CAP,FIXED ELECTRO, 1UF KME TYPE 50V
20%

C422

181-007H

CAP,DRAWING, MPE ECQ-V1H474JL3(TR),
50V 0.47UF

C423

0CE106DF618

CAP,FIXED ELECTRO, 10UF STD 16V 20%

C431

0CE476BK618

CAP,FIXED ELECTRO, 47UF KME TYPE 50V
20%

C435

0CE107BF618

CAP,FIXED ELECTRO, 100UF KME TYPE 16V
20%

C439

0CE477BF618

CAP,FIXED ELECTRO, 470UF KME TYPE 16V
20%

C5

0CE107BF618

CAP,FIXED ELECTRO, 100UF KME TYPE 16V
20%

C604

0CE107SF6DC

CAP,FIXED ELECTRO, 100UF MVG 16V 20%
SMD

C606

0CE107SF6DC

CAP,FIXED ELECTRO, 100UF MVG 16V 20%
SMD

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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