Table of Contents
Advertisement
Quick Links
SERVICE MANUAL
Product Type:
Chassis:
Manual Series:
Manual Part #:
Model Line:
Product Year:
Description of Controls .................................................5
Specifications ..............................................................8
Adjustment Instructions ................................................9
Diagrams ...................................................................26
Parts List ...................................................................29
Schematics ....................................................................
Printed in Korea
Consumer Flat Screen TV
MC-021B
2004
CONTENTS
Published Oct. 2003
by Technical Publications
LG Electronics USA, Inc.
201 James Record Road,
Huntsville, Alabama 35824-1513
Copyright © 2003 by Zenith Electronics Corporation
http//www.zenithservice.com
Model Series:
C30W46
Advertisement
Table of Contents
Related Manuals for Zenith C30W46
Summary of Contents for Zenith C30W46
-
Page 1: Table Of Contents
Description of Controls ..........5 Specifications ..............8 Adjustment Instructions ..........9 Diagrams ..............26 Parts List ..............29 Schematics ..............Published Oct. 2003 by Technical Publications LG Electronics USA, Inc. 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 TABLE OF CONTENTS DESCRIPTION OF CONTROLS ...........5 SPECIFICATIONS..............8 ADJUSTMENT INSTRUCTION..........9 FEATURE OF MICOM FUNCTION........13 TROUBLESHOOTING ............17 PRINTED CIRCUIT BOARDS ..........21 BLOCK DIAGRAM...............26 EXPLODED VIEW...............28 EXPLODED VIEW PARTS LIST .........29 REPLACEMENT PARTS LIST ..........30 SCHEMATIC DIAGRAM............- 4 -...
-
Page 5: Description Of Controls
DESCRIPTION OF CONTROLS 1. POWER (or ON/OFF) Refer to "Turning the TV on/off". power 2. CAPTION Selects CAPTIONS: EZ Mute , or caption tv/video 3. MULTIMEDIA pip/dw Selects COMPONENT mode. multimedia audio 4. VIDEO video Clear Selects factory preset picture settings: Day Light, Optimum Soft... - Page 6 DESCRIPTION OF CONTROLS 13. TV/VIDEO Selects TV, VIDEO, or COMPONENT mode. 14. ARC power Selects 4:3, 16:9 or Zoom picture formats. caption tv/video 15. AUDIO (Not available using earphones). Selects the sound appropriate for the program's pip/dw Flat Music Movie Sports User character;...
- Page 7 DESCRIPTION OF CONTROLS This is a simplified representation of the front panel. tv/video menu on/off 21. STANDBY INDICATOR ( Illuminates red bright when the TV is in standby mode. Refer to "Turning the TV on/off". 22. REMOTE CONTROL SENSOR - 7 -...
-
Page 8: Specifications
SPECIFICATIONS Model C30W46 Power requirements AC 120 V Television system NTSC Television channels VHF : 2 ~ 13, UHF : 14 ~ 69 Cable : 01 ~ 125 Power consumption See the back of the TV 75 Ω External antenna impedance... -
Page 9: Adjustment Instructions
ADJUSTMENT INSTRUCTIONS 1. Application Object These instructions are applied to MC-021B chassis. <Fig. 1> 2. Notes 3. Make a full screen Red by pulling DY back slowly. <Fig. (1) Because this is not a hot chassis, it is not necessary to use 2>... - Page 10 ADJUSTMENT INSTRUCTIONS (4) Dynamic Convergence (DYC) Adjustment 6. Focus Adjustment 1. Vertical Line Adjustment : Adjust by moving DY right and Adjust after operating the receiver for 15 minuets. left. 2. Horizontal Line Adjustment : Adjust by moving DY up 6.1 Preliminary steps and down.
- Page 11 ADJUSTMENT INSTRUCTIONS 3. Select VP 8(AFC-BOW) and adjust the left and right crooked line on upper and lower side. 0 1 2 3 4 . . . 9 4. Select VP 9(PIN-AMP) and adjust until Pincushion distortion disspears on left and right side. 5.
- Page 12 ADJUSTMENT INSTRUCTIONS 2. Select VP 7(AFC-ANGLE) and adjust the vertical slope. 3. Select VP 8(AFC-BOW) and adjust the left and right crooked line on upper and lower side. 4. Select VP 9(PIN-AMP) and adjust until Pincushion distortion disspears on left and right side. 5.
-
Page 13: Feature Of Micom Function
Feature of MICOM Function 1. Peripheral H/W 2. Feature of system IC Name Usage (1) 181 Channel F.S Tunning system, AFT Fuction, Finetune data memory(all the channels) CXA2150AQ Deflection & Picture (2) Direct selecting channel with number buttons, Selecting CXA2069 A/V Switch memorized channel with up/down button (3) AUTO Program, CH Memory/ERASE, Favorite Channel... - Page 14 Feature of MICOM Function 4. Description of PIN Symbol Functional Description Horizontal Sync. Signal Input Input Polarity : Active “L“ Vertical Sync. Signal Input Input Polarity : Active “L“ Eye in Inputs C Data of Chroma picture (Data is input by A/D) IR(Remocon) For remote control input(uses external interupt) B_ICVoltage...
- Page 15 Feature of MICOM Function Symbol Functional Description V-Hold Hold Terminal for CAPTION CVBS In CAPTION CVBS In Terminal CNVss Analog GND X In 8MHz In X Out 8MHz Out Digital GND Digital Power OSC1 27MHz In(For OSD) OSC2 27MHz Out(For OSD) RESET Micom IC Reset IIC-Reset...
- Page 16 Feature of MICOM Function Symbol Functional Description PIP Volume(sub) Outputs sound data of sub picture(Using PWM ) ¤ Indicates -/+ for degaussing(High $ +/Low $ -) TILT 1 TILT 2 Degaussing Output Terminal(PWM) ¤ SCREEN Horizontal Line regulation hour High output ¤...
-
Page 17: Troubleshooting
TROUBLE SHOOTING - 17 -... - Page 18 TROUBLE SHOOTING - 18 -...
- Page 19 TROUBLE SHOOTING - 19 -...
- Page 20 TROUBLE SHOOTING - 20 -...
-
Page 21: Printed Circuit Boards
PRINTED CIRCUIT BOARD MAIN - 21 -... - Page 22 PRINTED CIRCUIT BOARD PROGRESSIVE(TOP) PROGRESSIVE(BOTTOM) - 22 -...
- Page 23 PRINTED CIRCUIT BOARD MICOM SIDE A/V - 23 -...
- Page 24 PRINTED CIRCUIT BOARD - 24 -...
- Page 25 PRINTED CIRCUIT BOARD CONTROL - 25 -...
-
Page 26: Diagrams
BLOCK DIAGRAM - 26 -... - Page 27 BLOCK DIAGRAM - 27 -...
-
Page 28: Exploded View
EXPLODED VIEW - 28 -... -
Page 29: Parts List
EXPLODED VIEW PARTS LIST Part No. Description 2440GE489AS WVT SET,W76QDD259X V8N7ND 120-D38C SPEAKER,MID-RANGE 8 OHM 15/25W 87 128*77 6400VG0002A SPEAKER,TWEETER T0520101(C76G) 8 OHM 10/20W 88DB 4810V00165B BRACKET,DOME(L) PS 60HR CT-29Q20 4810V00165A BRACKET,DOME CT-29Q20 NON PP NON 3550V00068A COVER,DOME NON HIPS 60HR NON 6140VC2006A COIL,DEGAUSSING KOREA TRADING 32 TURN L=600 170-797X... -
Page 30: 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 : 2004.6.8 in the P/No. means as follows; CE : Electrolytic RN : Metal Film RF : Fusible... - Page 31 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION ZD1206 0DZ620009BB ZENERS,MTZJ6.2B DIODE ZD1601 0DZ910009AJ ZENERS,MTZJ9.1B D001 0DS113379BA 1SS133 T-72 DO34 90V ZD351 0DZ750009AG ZENERS,MTZJ7.5B D004 0DD414809ED 1N4148 TP GRANDE ZD403 0DZ510009BF ZENERS,GDZ5.1B D006 0DD414809ED 1N4148 TP GRANDE ZD447 0DZ560009CF ZENERS,MTZJ5.6B...
- Page 32 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C1600 0CE227DF618 220UF STD 16V M C333 0CN3320F569 3300P 16V K X C1601 0CE337DF618 330UF STD 16V M C338 0CE228DH610 2200UF STD 25V M C1602 0CK224DF56A 220000PF 2012 16V 10% C339 181-091C DEHR33A471KN2A 470PF 1KV 10%,-10%...
- Page 33 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C553 0CE107DF618 100UF STD 16V M C806 181-014Y MPP 1.6KV 0.0015UF J C555 0CE227DF618 220UF STD 16V M C807 181-091C DEHR33A471KN2A 470PF 1KV 10%,-10% C570 0CE107DF618 100UF STD 16V M C808 0CE107BJ618 100UF KME 35V M...
- Page 34 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C917 0CN1040K949 0.1UF D 50V 80%,-20% P602B 387-B04K CONNECTOR ASSEMBLY,4P 2.5MM C918 0CC0500K115 D NP0 TS P902B 387-A10G CONNECTOR ASSEMBLY,10P 2.5MM C919 0CK5610W515 560P 500V K RESISTOR C925 0CN1040K949 0.1UF D 50V 80%,-20%...
- Page 35 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION R1102 0RD2001F609 2K OHM 1/6 W 5% R403 0RS1001K619 1K OHM 2 W 5% TR R1103 0RD3300F609 330 OHM 1/6 W 5.00% R403 0RN1002F409 10K OHM 1/6 W 1.00% R1104 0RD4702F609 47K OHM 1/6 W 5%...
- Page 36 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION R657 0RD1001F609 1K OHM 1/6 W 5% R917 0RD1803A609 180K OHM 1/2 W(7.0) 5.00% R658 0RD1001F609 1K OHM 1/6 W 5% R918 0RS5602K607 56K OHM 2 W 5.00% R659 0RD1001F609 1K OHM 1/6 W 5%...
- Page 37 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION L1601 6210VC0006A FILTER,EMC FBMH3216 HM501NT L201 6210VC0006A FILTER,EMC FBMH3216 HM501NT L202 6210VC0006A FILTER,EMC FBMH3216 HM501NT L401 6210VC0006A FILTER,EMC FBMH3216 HM501NT L402 6210VC0006A FILTER,EMC FBMH3216 HM501NT T1101 150-F06L FILTER,EMC SQE2930 10MH T811 150-F06T...