Zenith Z44SZ80 Service Manual
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Zenith Z44SZ80 Service Manual

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SERVICE MANUAL
Product Type:
Chassis:
Manual Series:
Manual Part #:
Model Line:
Product Year:
Description of Controls .................................................4
Product Specifications ..................................................9
Adjustment Instructions ...............................................10
Diagrams ...................................................................18
Parts List ...................................................................21
Schematics ....................................................................
Printed in Korea
DLP Projection TV
NB05ED
2005
CONTENTS
Published Nov. 2004
by Technical Publications
LG Electronics USA, Inc.
201 James Record Road,
Huntsville, Alabama 35824-1513
Copyright © 2004 by LG Electronics U.S.A., Inc.
http//www.zenithservice.com
Model Series:
Z44SZ80

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Summary of Contents for Zenith Z44SZ80

  • Page 1: Table Of Contents

    SERVICE MANUAL Model Series: Z44SZ80 Product Type: DLP Projection TV Chassis: NB05ED Manual Series: Manual Part #: Model Line: Product Year: 2005 CONTENTS Description of Controls ..........4 Product Specifications ..........9 Adjustment Instructions ..........10 Diagrams ..............18 Parts List ..............21 Schematics ..............
  • Page 2 When servicing this product, under no circumstances should the commercially available discharging wrist strap device, which should be original design be modified or altered without permission from Zenith removed for potential shock reasons prior to applying power to the unit under Electronics Corporation.
  • Page 3 TABLE OF CONTENTS DESCRIPTION OF CONTROLS ...........4 SPECIFICATIONS..............9 ADJUSTMENT INSTRUCTION...........10 BLOCK DIAGRAM...............18 EXPLODED VIEW...............20 EXPLODED VIEW PARTS LIST .........21 REPLACEMENT PARTS LIST ..........22 SCHEMATIC DIAGRAM............PRINTED CIRCUIT BOARDS ..........- 3 -...

  • Page 4: Description Of Controls

    DESCRIPTION OF CONTROLS Controls Controls - This is a simplified representation of a front panel. - Here shown may be somewhat different from your TV. Front Panel Controls Front Panel Controls POWER MENU ENTER POWER Button MENU Button VOLUME ( Operation Indicator/ Buttons Lamp Indicator/...

  • Page 5: Connection Options

    DESCRIPTION OF CONTROLS Connection Options Connection Options Back Connection Panel Back Connection Panel DIGITAL AUDIO OPTICAL CABLE Inputs OUTPUT ANTENNA Inputs Used to connect either an external Connect cable signals to Connect antenna sig- amplifier, or add a sub-woofer to the TV, either directly or RGB Input nals to the TV directly.
  • Page 6 DESCRIPTION OF CONTROLS Front Connection Panel Front Connection Panel There are four jacks on the left side on your projection 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 7: Remote Control Key Functions

    DESCRIPTION OF CONTROLS Remote Control Key Functions Remote Control Key Functions - When using the remote control, aim it at the remote control sensor on the TV. MODE Selects the remote operating mode: INDICATOR LIGHTS TV, VCR, Cable, DVD and Satellite. Show active remote mode Select other operating modes, for the VCR CABLE DVD SAT...
  • Page 8 DESCRIPTION OF CONTROLS Remote Control Key Functions Remote Control Key Functions TV INPUT • Rotates the input mode between Antenna and Cable. POWER • Video 1-2, Front Video, Component 1-2, VCR CABLE DVD SAT RGB-DTV (or RGB-PC), HDMI1/DVI, Turns your TV or any other programmed HDMI2 equipment on or off, depending on mode.

  • Page 9: Product Specifications

    SPECIFICATIONS Z52SZ80 MODEL Z44SZ80 Horizontal Size (inches) Height (inches) Depth (inches) 14.5 Weight (lbs.) Power requirement AC120V ~ 60Hz Television System NTSC-M, ATSC, 64 & 256 QAM Program Coverage VHF 2 ~ 13, UHF 14 ~ 69, CATV 1 ~ 135, CADTV 1 ~ 135. DTV 2 ~ 69...

  • Page 10: Adjustment Instructions

    ADJUSTMENT INSTRUCTIONS 1. Application Object (3) As shown <Fig. 1>, using the CH+ ( ), CH- ( ) keys to select an item, press the ENTER or VOLUME+ ( ) keys to These instructions apply to the DLP Projection TV (Chassis: enter the appropriate item and begin adjustment.
  • Page 11 ADJUSTMENT INSTRUCTIONS [ Pattern for focus adjustment Start DMD/Lens Chucking Screw Fwd/Bwd Check Focus DMD Adjustment(Tilt) Check DMD DMD Manual Lens Adjustment(X & Y) Check Lens Manual Tighten Lens Screw . Check Lens Restart <Fig. 6> Focus Pattern(Cross Hatch) Lens Chuck Open DMD Adjustment(X &...
  • Page 12 ADJUSTMENT INSTRUCTIONS 6. EDID(HDMI) Data Input 7. CPLD Download Work 6-1. Required Test Equipment 7-1. Required Test Equipments & (1) Jig for adjusting PC, DDC (PC serial to D-sub connection Preparation for Adjustment device) (1) Connect the PC and memory JIG as shown in <Fig. 8>. (2) S/W for writing DDC(EDID data write &...
  • Page 13 ADJUSTMENT INSTRUCTIONS (4) Select program options. 8-2. Geometry, Adjustment (5) Check the [Erase before programming] and [Verify] menu (1) When the screen is rotated: Rotate the Engine to adjust as shown <Fig. 10> and press the OK button. (6) At this time, the download starts. The download will finish in about 10 seconds.

  • Page 14: Screen Position Adjustment

    ADJUSTMENT INSTRUCTIONS 9-3. Vertical Position Adjustment (1) Select V_position with CHANNEL key. (Initial V: 15) (2) Change data with using the VOLUME keys on the remote control in order to adjust up/down screen semmetry. (3) If symptom is out of adjustable range: N.G. 9-4.
  • Page 15 ADJUSTMENT INSTRUCTIONS 10-3. Offset/ Gain Adjustment 12. CWI/NDC Adjustment (1) Press ADJ key on the Remote Control to enter the (Base value --> CWI: 165, NDC: 10) adjustment mode after more than 10 seconds of receiving the signal. 12-1. Required Test Equipment (2) Adjustment is automatic by pressing the VOLUME+ ( key in AD9883A-SET item of the adjustment menu.

  • Page 16: White Balance Adjustment

    ADJUSTMENT INSTRUCTIONS 12-4. NDC Adjustment 13-3. Sequence of Adjustment For compensation deviation of each Lamp uses NDC Mode. (1) Auto adjustment program is practiced (ccws.exe) Using Channel Keys on the Remote Control adjust so the unit (2) Measure Model is chosen in Work->Select_Model. (*cmf has a uniform color of White (Lamp life compensation).
  • Page 17 ADJUSTMENT INSTRUCTIONS 13-4. Program Edit. (1) Model Edit: Interval time and Target White coordinate that are between command words per Mode, being possible to correct a common difference. (Edit --> Model Edit) <Fig. 20> CCA Automatic Adjustment Program Main Screen (2) Port Edit: CA-210 and RS-232C Connection setting about SET.

  • Page 18: Diagrams

    BLOCK DIAGRAM - 18 -...
  • Page 19 BLOCK DIAGRAM - 19 -...

  • Page 20: Exploded View

    EXPLODED VIEW - 20 -...

  • Page 21: Parts List

    SCREEN ASSEMBLY,SHIINSUNG LGE WLF DN-44SZ80L 991*564*3.4 . 5020V00903G BUTTON,CONTROL RU-44SZ80L ABS, HF-380 7KEY BK SPRAY 5020V00904B BUTTON,POWER RU-44SZ80L ABS 1KEY NON 3809V00450N BACK COVER ASSEMBLY,44SZ8D-UA NON ZENITH(HD3) 3550V00424A COVER,DN-44SZ80L ABS POWER CODE 3550V00423D COVER,LAMP RU-44SZ83D HIPS 40AF TOSHIBA 3550V00425C COVER,RT-44SZ82DP HIPS 40AF HD3 5018V00039F MIRROR,FRONTSIDE 940(H1)*500(H2)*498(V)*3.0(T) 1ST 44 DLP FRONT SURFACE MIRROR...

  • Page 22: Replacement Parts List

    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 : 2005.5.9 in the P/No. means as follows; CE : Electrolytic RN : Metal Film RF : Fusible...
  • Page 23 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION IC808 0IMCRSG008A 74LX1G14CTR 5P SOT323-5L Q211 0TR387500AA CHIP 2SC3875S(ALY) BK KEC SC1565IST-1.8 3P SOT223 CHIP 2SC3875S(ALY) BK KEC IC810 0IMCRSJ001A Q212 0TR387500AA 0ILI817000G LTV817M-VB 4P 0TR387500AA CHIP 2SC3875S(ALY) BK KEC IC830 Q216 IC850...
  • Page 24 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION D717 0DD184009AA KDS184 TP KEC - 85V 300MA C1107 0CK104CF56A 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% D801 0DRSD00050B D25XB60-4000 600V 25A C1108 0CK104CF56A 0DR010009AA EG01C 1000V 0.5A 10A 0CE106SF6DC 10UF MVG 16V 20% D802...
  • Page 25 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C1157 0CK104CF56A 0.1UF 1608 16V 10% C1304 0CE226SF6DC 22UF MVG 16V 20% 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% C1158 0CK104CF56A C1305 0CK104CF56A 0CK104CF56A 0.1UF 1608 16V 10% 0CE226SF6DC 22UF MVG 16V 20% C1159...
  • Page 26 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C1688 0CK104CF56A 0.1UF 1608 16V 10% C227 0CK105DF64A 1UF 2012 16V 20% 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% C1689 0CK104CF56A C228 0CK104CF56A 0CK104CF56A 0.1UF 1608 16V 10% 0CK104CF56A 0.1UF 1608 16V 10% C1690...
  • Page 27 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C406 0CE107SF6DC 100UF MVG 16V 20% C600 0CE106SF6DC 10UF MVG 16V 20% 10UF MVG 16V 20% 10UF MVG 16V 20% C406 0CE106SF6DC C601 0CE106SF6DC 0CK104CF56A 0.1UF 1608 16V 10% 0CE106SF6DC 10UF MVG 16V 20% C407...
  • Page 28 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C642 0CK104CF56A 0.1UF 1608 16V 10% C716 0CE336SH6DC 33UF MVG 25V 20% 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% C643 0CK104CF56A C717 0CK104CF56A 0CE476DF618 47UF STD 16V M 0CE107DD618 100UF STD 10V M C643...
  • Page 29 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C757 0CK104CF56A 0.1UF 1608 16V 10% C808 0CC680CK41A 68PF 1608 50V 5% 0.1UF 1608 16V 10% 47UF STD 50V M C758 0CK104CF56A C808 0CE476DK618 0CE107DD618 100UF STD 10V M 0CK1040K945 0.1UF D 50V 80%,-20% C758...
  • Page 30 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C841 0CE476SF6DC 47UF MVG 16V 20% C949 0CK104CF56A 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% C842 0CK104CF56A C950 0CK104CF56A 0CE227DH618 220UF STD 25V M 0CE335SK6DC 3.3UF MVG 50V 20% C842...
  • Page 31 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 387-907H CONNECTOR ASSEMBLY,1P NON 450MM AR1903 0RRZVTA001D 22 OHM 1 / 16 W 1608 5% 22 OHM 1 / 16 W 1608 5% 6631V20019E CONNECTOR ASSEMBLY,3P 2.0MM 300MM AR1904 0RRZVTA001D 0RRZVTA001D...
  • Page 32 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION R857 0RD5100F609 510 OHM 1/6 W 5.00% L906 0LCML00003B FILTER,EMC MLB-201209-0120P-N2 5A 3.6K OHM 1/6 W 5.00% FILTER,EMC MLB-160808-0068L-N2 1A R865 0RD3601F609 L908 0LCML00004A 0RD3901F609 3.9K OHM 1/6 W 5% 0LCML00003B FILTER,EMC MLB-201209-0120P-N2 5A R866...
  • Page 33 VARISTOR,AVRL161A1R1NT VA611 6102W5V016A VARISTOR,AVRL161A1R1NT VA612 6102W5V016A VARISTOR,AVRL161A1R1NT VA613 6102W5V016A VARISTOR,AVRL161A1R1NT VA614 6102W5V016A VARISTOR,AVRL161A1R1NT 6102W5V016A VARISTOR,AVRL161A1R1NT VA615 VA800 164-003K VARISTOR,SVC621D-14A 620V 0% X601 6204B48352A OSCILLATOR,SCO-103 25.00000MHZ ACCESSORIES 3828VA0540C MANUAL,NB05ED ZENITH 6710V00102V REMOTE CONTROLLER,NB05ED 6850TD9007E CABLE,D-SUB UL20276-9C(5.8MM) DT L1800 - 33 -...
  • Page 40 MAIN(TOP) MAIN(BOTTOM) CONTROL(TOP) AUDIO(TOP) AUDIO(BOTTOM) CONTROL(BOTTOM) AUDIO(TOP) AUDIO(BOTTOM) SIDE A/V INTERFACE DIGITAL(TOP) DIGITAL(BOTTOM) TUNER(TOP) TUNER(BOTTOM) PRE-AMP HD3 DLP SENSOR(TOP) HD3 DLP SENSOR(BOTTOM) CASE DET HD4 DRIVER(TOP) HD4 DRIVER(BOTTOM) POWER AC INPUT...

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