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Zenith C34W37 Series Service Manual

Consumer flat screen tv
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SERVICE MANUAL
Product Type:
Chassis:
Manual Series:
Manual Part #:
Model Line:
Product Year:
Description of Controls .................................................5
Specifications .............................................................10
Adjustment Instructions ...............................................15
Diagrams ...................................................................21
Parts List ...................................................................31
Schematics ....................................................................
Printed in Korea
All manuals and user guides at all-guides.com
Consumer Flat Screen TV
AC-02SA
2003
CONTENTS
Published June 2003
by Technical Publications
Zenith Electronics Corporation
201 James Record Road
Huntsville, Alabama 35824-1513
Copyright © 2003 by Zenith Electronics Corporation
Model Series:
C34W37

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  • Page 1: Table Of Contents

    Description of Controls ..........5 Specifications .............10 Adjustment Instructions ..........15 Diagrams ..............21 Parts List ..............31 Schematics ..............Published June 2003 by Technical Publications Zenith Electronics Corporation 201 James Record Road Huntsville, Alabama 35824-1513 Copyright © 2003 by Zenith Electronics Corporation Printed in Korea...
  • Page 2 When servicing this product, under no circumstances should the original design danger of electrical shock. DO NOT USE A LINE ISOLATION be modified or altered without permission from Zenith Electronics Corporation. TRANSFORMER DURING THIS TEST. Use an AC voltmeter having 5000...
  • Page 3 CRT at a safe operating Anode voltage and provide proper shutdown thresholds. If replacement of any of these components are deemed necessary, it is important to use original type Zenith replacement components. After replacement is made, confirm proper Anode voltage using the following procedure.
  • Page 4 All manuals and user guides at all-guides.com TABLE OF CONTENTS DESCRIPTION OF CONTROLS ...........5 SPECIFICATIONS...............10 PROGRAMMING CODES...........11 ADJUSTMENT INSTRUCTIONS ........15 PURITY & CONVERGENCE ADJUSTMENT......18 PRINTED CIRCUIT BOARDS ..........21 BLOCK DIAGRAM...............29 EXPLODED VIEW...............30 EXPLODED VIEW PARTS LIST .........31 REPLACEMENT PARTS LIST ..........32 SCHEMATIC DIAGRAM............

  • Page 5: Description Of Controls

    All manuals and user guides at all-guides.com DESCRIPTION OF CONTROLS Front Panel Controls tv/video menu power Power Standby indicator (Illuminates brightly when the TV is in standby mode. Dims when the TV is switched on.) Remote control sensor TV/VIDEO Menu VOL LEFT / RIGHT Volume( ) button increases the sound level and vol-...
  • Page 6 All manuals and user guides at all-guides.com DESCRIPTION OF CONTROLS Rear Connections Panel Connecting external equipment to your TV. RF Connectors: Antenna 1 Input, Antenna 2 Input Used to connect cable or antenna Digital Audio signals to the televi- CALIBRATION Output Optical sion, either directly Connects to exter-...
  • Page 7 All manuals and user guides at all-guides.com DESCRIPTION OF CONTROLS Front Connections Panel (Front Video) There are four jacks on the lower-right front side of your TV that make connecting Audio/Video devices like video games and camcorders very simple. The jacks are like those found on the back jack connection panel.
  • Page 8 All manuals and user guides at all-guides.com DESCRIPTION OF CONTROLS Remote Control Functions in TV Mode MODE Selects the remote operating MODE INDICATOR mode: TV, VCR, Cable, DVD or LIGHTS Satellite. Select other operating Show active remote mode modes, for the remote to oper- ate external devices.
  • Page 9 All manuals and user guides at all-guides.com DESCRIPTION OF CONTROLS Remote Control Functions in TV Mode vcr cable dvd sat mode light power RATIO POWER Changes the aspect ratio. Turns your TV or any other tv/video front comp/dvi programmed equipment on or off, depending on mode.

  • Page 10: Specifications

    All manuals and user guides at all-guides.com SPECIFICATIONS Product Specifications Models C34W37 Horizontal Size (inches) 41.7 Height (inches) 24.7 Thickness (inches) 23.2 Weight (lbs) 168.2 Power requirement 120V, 60Hz Television system American TV Standard, NTSC, ATSC with STB Television Channel VHF: 2 - 13 UHF: 14 - 69 CATV: 1 - 125...

  • Page 11: Programming Codes

    FUTURETECH 028 040 042 SCOTT 004 028 043 YUPITERU 004 006 008 109 116 124 048 116 143 ZENITH 001 072 073 009 034 056 SEARS 004 007 015 095 103 157 073 074 091 004 006 062 028 030 057...
  • Page 12 041 067 068 SAMSUNG 032 040 102 DAEWOO 005 007 010 MARANTZ 012 031 033 104 105 107 ZENITH 001 034 048 064 065 108 067 069 109 112 113 056 058 072 110 111 112 MARTA 115 120 122...
  • Page 13 VIEWSTAR AMPLICA GENERAL INSTRUMENT 003 004 016 PHILIPS WINEGARD 128 146 BIRDVIEW 051 126 129 029 031 059 PICO ZENITH 001 081 082 PRESIDENT 019 102 083 084 091 CAPETRONICS HITACHI 139 140 PRIMESTAR 030 110 111 CHANNEL MASTER013 014 015...
  • Page 14 012 015 018 REMBRANT 086 087 088 ANTRONIK M-NET ARCHER 005 007 014 MACOM SAMSUNG 030 068 ZENITH 001 060 093 MAGNAVOX 010 012 064 SCIENTIFIC ATLANTA 003 011 041 CABLE STAR 042 043 045 CENTURION MEMOREX CENTURY MOVIE TIME...

  • Page 15: Adjustment Instructions

    All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 1. Application Object 4-2. Adjustment (1) Select EZ Adjust 3. CUT-OFF, pressing ADJ key on the These instructions are applied to the AC-02SA chassis. SVC Remote control. When it enters to adjustment mode, the pattern(14CH.) being selected, it becomes with Normal image 16:9 and the 2.
  • Page 16 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 5-4. Raster H-center(H.CENTER) Adjustment 7. White Balance Adjustment Select 77. H Postion in the adjustment mode and adjust until Do screen adjustment first. left and right screen are symmetrically equal. Color Temp must be adjusted from Medium Mode. (The image condition must be adjusted from Normal condition) 5-5.
  • Page 17 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS (1) Select EZ Adjust 5. Sub Bright pressing ADJ key on the SVC Remote control. (2) Adjust to the point where “2” is not visible. 8-2. Sub COLOR, TINT Adjustment WHITE YELLOW CYAN GREENMAGENTA...

  • Page 18: Purity & Convergence Adjustment

    All manuals and user guides at all-guides.com PURITY & CONVERGENCE ADJUSTMENT Caution: 5. Reconnect the internal degaussing coil. Convergence and Purity have been factory aligned. Do not 6. Position the beam bender locking rings at the 9 o'clock attempt to tamper with these alignments. position and the other three pairs of tabs (2,4 and 6 pole However, the effects of adjacent receiver components, or magnets) at the 12 o'clock position.
  • Page 19 All manuals and user guides at all-guides.com PURITY & CONVERGENCE ADJUSTMENT 1.ADJUST YOKE Z-AXIS FIRST 2 .ADJUST BEAM BENDER 2 POLE TO GET EQUAL BLUE MAGNET TO GET FOUR EQUAL COLOR CIRCLES COLOR CIRCLES MAGNETS 8. Referring to above, perform the following two steps: 5.
  • Page 20 All manuals and user guides at all-guides.com PURITY & CONVERGENCE ADJUSTMENT ROTATION DIRECTION RING MOVEMENT OF RED OF BOTH TABS PAIRS AND BLUE BEAMS OPPOSITE POLE SAME OPPOSITE POLE SAME UP/DOWN ROCKING OF THE YOKE CAUSES LEFT/RIGHT ROCKING OF THE YOKE UP/DOWN ROCKING OF THE YOKE LEET/RIGHT ROCKING OF THE YOKE OPPOSITE ROTATION OF RED AND BLUE...

  • Page 21: Diagrams

    All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD MAIN(BOTTOM) - 21 -...
  • Page 22 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD MAIN(TOP) - 22 -...
  • Page 23 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD MAIN2 - 23 -...
  • Page 24 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD DIGITAL(TOP) - 24 -...
  • Page 25 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD DIGITAL(BOTTOM) - 25 -...
  • Page 26 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD - 26 -...
  • Page 27 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD LINE FILTER - 27 -...
  • Page 28 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD CONTROL FRONT A/V - 28 -...

  • Page 29: Block Diagram

    All manuals and user guides at all-guides.com BLOCK DIAGRAM - 29 -...

  • Page 30: Exploded View

    All manuals and user guides at all-guides.com EXPLODED VIEW - 30 -...

  • Page 31: Parts List

    All manuals and user guides at all-guides.com EXPLODED VIEW PARTS LIST Part No. Description 6335V36002B CPT ASSEMBLY,W86LQQ350X94 0.35G 0G TOSHIBA V2 VERSION 120-C77M SPEAKER,FULLRANGE C122P02K1459 ESTEC 8 OHM 10/15W 4810V00088A BRACKET,SPEAKER CE-29K30 NON PP NONE 6140VC2006B COIL,DEGAUSSING 70TURN 10.7OHM ASSY 6140VC2007B AND 150-D07D 170-797U CPT EARTH,34 48T 0LUG RING 174-225Y...

  • Page 32: Replacement Parts List

    All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST For Capacitor & Resistors, the CC, CX, CK, CN : Ceramic RD : Carbon Film charactors at 2nd and 3rd digit CQ : Polyestor RS : Metal Oxide Film RUN DATE : 2003.6.14 in the P/No.
  • Page 33 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION CHIP 2SA1504S(ASY) KEC CHIP 2SC3875S(ALY) KEC Q1017 0TR150400BA Q1905 0TR387500AA Q102 0TR387500AA CHIP 2SC3875S(ALY) KEC Q1906 0TR387500AA CHIP 2SC3875S(ALY) KEC Q104 0TR387500AA CHIP 2SC3875S(ALY) KEC...
  • Page 34 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION CHIP 2SC3875S(ALY) KEC 1SS133 T72 DO34 90V Q601 0TR387500AA D1604 0DS113379BA Q601 0TR830009BA BSS83 NON NCHANNEL S/W TR D1605 0DS113379BA 1SS133 T72 DO34 90V Q602 0TR387500AA...
  • Page 35 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION SDC15 TVS DIODE SOT23 12.8V 1UF STD 50V M ZD100 0DRSE00038A C1201 0CE105DK618 ZD101 0DRSE00038A SDC15 TVS DIODE SOT23 12.8V C1202 0CE105DK618 1UF STD 50V M...
  • Page 36 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 1000UF STD 25V M 1UF STD 50V M C1414 0CE108DH618 C1528 0CE105DK618 C1415 0CK1020K515 1000P 50V C1602 0CE106DF618 10UF STD 16V M C1416 0CE227BK618 220UF KME 50V M...
  • Page 37 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 0.1UF 2012 50V 10% 10UF MVG 16V 20% C1955 0CK104DK56A C394 0CE106SF6DC C1956 0CK104DK56A 0.1UF 2012 50V 10% C397 0CE226SF6DC 22UF MVG 16V M 0CE107DD618 100UF STD 10V M...
  • Page 38 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 22UF STD 16V M C536 0CE226DF618 C822 0CK4710W515 470PF 500V K B TR 0CE107DH618 100UF STD 25V M C823 0CE228DK650 2200UF STD 50V M 0CE107BK618 100UF KME 50V M...
  • Page 39 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 0.1UF 2012 50V 10% CONNECTOR ASSEMBLY,10P 2.5MM R1977 0CK104DK56A P905 387-A10G JACK RESISTOR AR100 0RRZVTA001C 4.7K OHM 1 / 16 W 1608 5% IC501 6612BBBHN4A JACK,DIN TOTX179...
  • Page 40 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 5.6 OHM 2 W 5.00% 6.8K OHM 2 W 5.00% R1418 0RF0561K607 R1554 0RS6801K607 R1419 0RS2403J607 240K OHM 1 W 5.00% R1555 0RS6801K607 6.8K OHM 2 W 5.00%...
  • Page 41 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 22K OHM 2 W 5.00% SWITCH,TACT 2LEAD 160G(TA) R837 0RS2202K607 140-313B R838 0RD2403F609 240K OHM 1/6 W 5.00% 140-313B SWITCH,TACT 2LEAD 160G(TA) R840 0RD1002F609 10K OHM 1/6 W 5%...
  • Page 42 THERMISTOR,PTC J503P51D6R5S140 +30%/20% TH802 163-051C THERMISTOR,PTC J503P51D6R5S140 +30%/20% TU101 6700NFNS04B TUNER,TDVBH701P TU102 6700NFNS06B TUNER,TAFDH001P LG NTSC FS SUB VA801 164-003K VARISTOR,SVC621D14A 620V 0% X601 6204B47985K OSCILLATOR,BMS873R 25MHZ +/ 50 PPM ACCESSORIES 3828VA0395A MANUAL,OWNERS DU36FZ20 ZENITH 6710V00102B REMOTE CONTROLLER,AC02SA - 42 -...
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