Zenith Z52SZ80 Service Manual
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Zenith Z52SZ80 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:
Z52SZ80

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Summary of Contents for Zenith Z52SZ80

  • Page 1: Table Of Contents

    SERVICE MANUAL Model Series: Z52SZ80 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 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 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 Turns your TV or any other programmed RGB-DTV (or RGB-PC), HDMI1/DVI, 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 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 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

    SPEAKER,TWEETER D016D01K1450 8HMOHM 15/25W 85DB 50 NON 6410VUH004A POWER CORD,UL/CSA3000MM 3P 3000MM HUG BLACK 500MH 7A 3091V00669C CABINET ASSEMBLY,RU-52SZ80L STEREO NON FRONT 4811V00123K BRACKET ASSEMBLY,SPEAKER 52SZ8D-UA NB05ED ZENITH 4980V00C04E SUPPORTER,SCREEN AL RN-52SZ80 4980V00C04F SUPPORTER,SCREEN AL RN-52SZ80 3351V00022A SCREEN ASSEMBLY,RN-52SZ30H 1178*670*3.9 NEW STRUCTURE...

  • 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 : 2005.5.13 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 SEMTECH 3P SOT223 CHIP 2SC3875S(ALY) BK KEC IC810 0IMCRSJ001A Q212 0TR387500AA IC830 0ILI817000G LTV817M-VB 4P Q216 0TR387500AA CHIP 2SC3875S(ALY) BK KEC...
  • 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% D25XB60-4000 600V 25A 350A 0.1UF 1608 16V 10% D801 0DRSD00050B C1108 0CK104CF56A D802 0DR010009AA EG01C 1000V 0.5A 10A C1109...
  • 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 C1159 0CK104CF56A 0.1UF 1608 16V 10% C1307 0CE226SF6DC 22UF MVG 16V 20%...
  • Page 26 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C1690 0CK104CF56A 0.1UF 1608 16V 10% C229 0CK104CF56A 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% 22UF STD 16V M C1691 0CK104CF56A C229 0CE226DF618 C1692 0CK104CF56A 0.1UF 1608 16V 10% 0CE107DF618 100UF STD 16V M 0CK104CF56A...
  • Page 27 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C407 0CE476SF6DC 47UF MVG 16V 20% C604 0CE335SK6DC 3.3UF MVG 50V 20% 0.1UF 1608 16V 10% 10UF MVG 16V 20% C408 0CK104CF56A C605 0CE106SF6DC C409 0CK103CK56A 0.01UF 1608 50V 10% C606 0CE106SF6DC 10UF MVG 16V 20%...
  • Page 28 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C644 0CK104CF56A 0.1UF 1608 16V 10% C719 0CK104CF56A 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% 220UF KME TYPE 16V 20% C645 0CK104CF56A C719 0CE227BF618 C646 0CK104CF56A 0.1UF 1608 16V 10% C720 0CK104CF56A...
  • Page 29 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C760 0CK104CF56A 0.1UF 1608 16V 10% C810 181-091U R 220PF 2KV 10%,-10% 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% C761 0CK104CF56A C810 0CK104CF56A C761 0CE107DF618 100UF STD 16V M C811 0CK104CF56A 0.1UF 1608 16V 10%...
  • Page 30 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C843 0CK104CF56A 0.1UF 1608 16V 10% C957 0CK104CF56A 0.1UF 1608 16V 10% 47UF MVG 16V 20% 0.1UF 1608 16V 10% C843 0CE476SF6DC C958 0CK104CF56A C844 0CK104CF56A 0.1UF 1608 16V 10% C959 0CK104CF56A 0.1UF 1608 16V 10%...
  • Page 31 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 6631V20033J CONNECTOR ASSEMBLY,3P 2.0MM 500MM AR303 0RRZVTA001D 22 OHM 1 / 16 W 1608 5% 22 OHM 1 / 16 W 1608 5% 6631V25064F CONNECTOR ASSEMBLY,3P 2.5MM 500/250MM AR406 0RRZVTA001D 6631V25063E...
  • Page 32 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION R868 0RD2001F609 2K OHM 1/6 W 5% L912 0LCML00003B FILTER,EMC MLB-201209-0120P-N2 5A 10K OHM 1/2 W 5.00% FILTER,EMC MLB-201209-0120P-N2 5A R891 0RD1002H609 L913 0LCML00003B R894 0RD1001F609 1K OHM 1/6 W 5% T400 6200QJ3001A FILTER,EMC BMS400 25V 200MA...
  • Page 33 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION VA605 6102W5V016A VARISTOR,AVRL161A1R1NT VA606 6102W5V016A VARISTOR,AVRL161A1R1NT VA607 6102W5V016A VARISTOR,AVRL161A1R1NT VARISTOR,AVRL161A1R1NT VA608 6102W5V016A VA609 6102W5V016A VARISTOR,AVRL161A1R1NT VA610 6102W5V016A VARISTOR,AVRL161A1R1NT VA611 6102W5V016A VARISTOR,AVRL161A1R1NT VA612 6102W5V016A VARISTOR,AVRL161A1R1NT VA613 6102W5V016A VARISTOR,AVRL161A1R1NT VA614 6102W5V016A VARISTOR,AVRL161A1R1NT...
  • Page 40 MAIN(TOP) MAIN(BOTTOM) CONTROL(TOP) AUDIO(TOP) AUDIO(BOTTOM) CONTROL(BOTTOM) AUDIO(TOP) AUDIO(BOTTOM) INTERFACE SIDE A/V 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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