SERVICE MANUAL Model Series: L20V26 Product Type: Chassis: Manual Series: Manual Part #: Model Line: Product Year: LCD TV MF-002A CM154 923-03488 E 2002 CONTENTS Safety .......................................................... 2 Overview ...................................................... 5 Servicing ................................................... 12 Parts ......................................................... 13 Diagrams .................................................... 19 Schematic .....
PRODUCT SAFETY 1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any electrostatic charge on the body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging wrist strap device, which should be removed for potential shock reasons prior to applying power to the unit under test. PRODUCT SAFETY IMPORTANT SAFETY NOTICE This manual was prepared for use only by properly trained audiovisual service technicians.
TABLE OF CONTENTS PRODUCT SAFETY ................................................ 2 TABLE OF CONTENTS ............................................ 3 OVERVIEW ........................................................ 5 WARRANTY/SERVICE ........................................ 5 FEATURES ..................................................... 5 SPECIFICATIONS ............................................. 5 REMOTE CONTROL ........................................... 6 FRONT ........................................
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OVERVIEW GENERAL INFO NTSC TUNER Accepts standard United States broadcast video signals as designated by the National Television Standards Committee. HI-RES COMPONENT VIDEO Delivers the highest quality picture by breaking down video data into three separate signals—red, blue and luminance—before the data is sent to the television. WARRANTY/SERVICE This model is a Factory Service Repair model (in and out of warranty) and is covered by a one year limited warranty.
OVERVIEW CABINET DESCRIPTION Finish .......................................... Brushed Silver Cabinet Style .............................................. New REMOTE CONTROL Transmitter ................................................... Yes Model Number ...................................... MF-002A Transmitter Finish ................................ Off-White REQUIRED APPROVALS UL, C-UL, NOM ........................... UL, C-UL, FCC (B) SERVICE/LIMITED WARRANTY Warranty: Parts/Labor ......................
OVERVIEW FRONT Side Control panel Channel Buttons ch Volume Buttons vol Enter Button enter Menu Button menu tv/video TV/Video Button Remote Control Sensor Power/Standby indicator Power button on/off Illuminates brightly when the TV is in standby mode. Dims when the TV is switched on. BACK (15V) Y PB S PR ANT L IN 75Ω L DC (480i/480p) DC 12V/0.
USER MENUS USER MENUS Press the menu button to display the available menus. Use the channel up/down buttons to select a menu option. CC 1 Text 1 CC 2 Text 2 CC 3 Text 3 CC 4 Text 4 MENU LANGUAGE Language Captions Caption/Text Parental Ctl English Off CC 1 Press the enter button to accept and exit. This TV is programmed to remember the caption/text mode it was last set when you turn the POWER off. EZ MUTE SETUP Use D E F G And And A Use the channel up/down buttons to select the Language option.
USER MENUS PARENTAL CONTROL Language Captions Caption/Text Parental Ctl Use be blocked by TV Rating and/or Individual Categories. Movies that have been shown at the theaters or directto-video movies use the Movie Rating System(MPAA) only.
USER MENUS Press the volume up button to begin the channel search. Wait for auto program to complete the channel search cycle before choosing a channel. The TV scans for over-the-air channels and then channels provided by a cable service. If you press the enter button during auto programming, the function will stop and only channels found up to that time will be added. When the channel search is complete, use the channel up/down buttons to review the memorized channels.
USER MENUS Use the channel up/down button to select the MTS option. Each press of volume up/down buttons changes the audio mode as shown. Press the enter button to select and exit. Contrast Brightness Color Tint Sharpness APC APC DRP DASP Use the menu button to select the Audio menu. Press the channel up/down buttons to select the DASP option.Each press of volume up/down button changes the DASP sound option between User, Cinema, Sports, or Music.
SERVICING USING METHOD FOR CA-110 Use it in case of needing adjustment brightness. SERVICING ADJUSTMENTS APPLICATION OBJECT Notes (1) This set uses an adapter, so connect the adapter and the set correctly before adjustment. (2) The adjustment must be performed under the correct sequence. (3) The adjustment must be performed in the circumstance of 25 +/-5 °C and 65 +/-10% of relative humidity if there is no specific designation. (4) The input voltage of the receiver must keep 110V, 60Hz during adjustment.
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 1877-9ZENITH). 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.
PARTS C607 C627 0CE106SH6DC 0CE107SF6DC C631 0CE107SF6DC C640 C641 C7 C801 C802 C803 0CE227SC6DC 0CE227SC6DC 0CE107DF618 0CE476DK618 0CE107DF618 0CE477BF618 C804 0CE477BF618 C805 0CE477BF618 C806 0CE477BF618 C807 0CE227BH618 C812 0CE227BH618 C814 C816 C816 C819 C820 C826 C827 0CE475DK618 0CE107DH618 0CE107DH618 0CE106DF618 0CE227DH618 0CE337DH618 0CE477BF618 C828 0CE477BF618 C871 C872 C880 0CE477DF618 0CE337DH618 0CE477BF618 C881 C882 C904 0CE107DF618 0CE227DH618 0CE476BK618 C908 0C
PARTS IC501 0ITI808300B IC502 0IMR882840B IC505 0ISS416162B IC506 0TF492509AA IC507 0IKE702700D IC508 IC509 IC801 IC802 IC803 IC806 0ICTMMO001A 0IKE703300E 0ITC786000A 0TFVI80001A 0TFVI80001A 0TF492509AA IC807 0TF492509AA IC808 0TF492509AA IC809 0IKE781200P IC850 0ISH092100B IC851 0ISH323422A IC852 IC853 IC854 IC901 0IKE780500P 0ISH052100C 0ISH122100B 0IMCRMN002A IC902 0IKE703300E IC903 0IKE780800J IC904 0IKE780500Q IC905 0ISA428200A L1 0IFA270000A L101 6210TCE001G L102 6210TCE001G L103 0LA0272K1
PARTS L91 6210TCE001G L910 6210TCE001G LA801 6210VC0004A LA802 6210VC0004A LA803 6210VC0004A LA804 6210VC0004A LA805 6210VC0004A LA806 6210VC0004A LA811 6210VC0004A LA812 6210VC0004A LA813 6210VC0004A LA814 6210VC0004A LA815 6210VC0004A LD11010DL112100AB MJ201 6613V00004P P1 5240VE0001F P1101 6631V20014E P1103 6631V25049F PA1101 6726VV0006D PJ801 6612VAH001C PJ802 6612TAH002A Q1 0TR387500AA Q101 0TR387500AA Q103 0TR387500AA Q1101 0TR126609AA Q201 0TR387500AA Q202 0TR387500AA Q203 0TR387500AA
PARTS R1110 0RD4701F609 R250 0RD1200H609 R253 0RD1200H609 R321 0RN2202F409 R322 0RN5602F409 R803 0RHZVTA001A R804 0RHZVTA001A R880 0RHZVTA001A R932 0RF0561K607 RA501 0RRZVTA001A RA502 0RRZVTA001A RA503 0RRZVTA001A RA504 0RRZVTA001A RA505 0RRZVTA001A RA506 0RRZVTA001A RA507 6210VC0004A SJ201 6612VJH008D SW1101 SW1101 SW1102 SW1103 SW1104 SW1105 SW1106 SW1107 SY302 6200VKR001B SY525 6210VC0004A SY526 6210VC0004A SY527 6210VC0004A SY532 6210VC0004A T801 6170VTCA30A TU301 6700VNF019C CM154 -
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DIAGRAMS DIAGRAMS 8 EXPLODED VIEW 9 10 11 7 1 2 6 13 12 5 3 4 L20V26 Model Parts No. PART NO. DESCRIPTION 1 3091V00A20G CABINET ASSY, ZENITH 2 120-D44E 3 6871VSMA75F POWER PCB ASSY 4 5020V00553E BUTTON SET (#39) 5 5020V00552H BUTTON SET 6 6871VSMA74A CTL PCB ASSY SPEAKER G705/080701A MOTORJOY 4OHM 7 6304VT2011A 8 6633VA0003D INVERTER ASSY, 15VOLT KUBNKM022A 14 LCD,LC201V1-A1 20.
DC Output (12V) L C 2 0 1 V 1 A 3 PC Input Dual Audio AMP LA4282 15V 8 /8 /8bit R/G/B VIDEO RAM 2M 3.3V 5.0V 20 PB SCART JACK Y Y/U/V in R/G/B 24 SCL/SDA RESET 4.2V L PR DVD/DTV Input (480I/480P) R/G/B/FBRinL/ TV/L/R out Audio Processor MSP-34XX RF : 2, SCART : 4 MONO : 1 I2S : 2 ------18.432MHz--L-SPK/WOOFER H/P, I2S SCART OUT : 2 8.0V SCALER(Format Converter) MX88L-284FC-V 14.318MHz 3.3V 5V(FOR RESET IC 3,3V) Analog R/G/B/H/V 3.3V Y/U/V (480P) 0.5-0.
PCB LAYOUTS MAIN PCB LAYOUT CM154 - 923-03488 21 L20V26 - PCBS
PCB LAYOUTS MX PCB LAYOUT CM154 - 923-03488 22 L20V26 - PCBS
PCB LAYOUTS TUNER PCB LAYOUT TUNER(TOP) TUNER(BOTTOM) CONTROL PANEL PCB LAYOUT POWER CONTROL CM154 - 923-03488 23 L20V26 - PCBS
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Main L20V26 Circuit 1 2 3 4 5 6 7 8 9 10 G F E D C B A CM154 - 923-03488 CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL REPLACE ONLY WITH PART NUMBERS SPECIFIED. . 25 NOTE: WAVEFORMS AND VOLTAGES WERE MEASURED AT 120VAC, CHANNEL 5, AND NSTC COLOR BARS.
