Zenith Z44SZ80 Series Service Manual Download Page 3

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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 .................................................

TABLE OF CONTENTS

Summary of Contents for Z44SZ80 Series

Page 1: ...ies CONTENTS Description of Controls 4 Product Specifications 9 Adjustment Instructions 10 Diagrams 18 Parts List 21 Schematics 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 Printed in Korea http www zenithservice com ...

Page 2: ... Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques should be used to help reduce the incidence of component damage caused by static electricity 1 Immediately before handling any semiconductor component or semiconductor equipped...

Page 3: ...IPTION 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 TABLE OF CONTENTS ...

Page 4: ... a new lamp Contact your service center Red blinking There is a problem with the lamp or around it Contact an authorized service center Green blinking The lamp cover is not closed Orange The projection TV is overheating Check the blocked vents of the projection TV Red The projection TV shut down due to overheating Red blinking The projection TV shut down check the cooling fan Contact your service ...

Page 5: ...t VARIABLE AUDIO OUT Used to connect either an external amplifier or add a sub woofer to your surround sound system COMPONENT INPUT 1 2 Connect a component video audio device to these jacks Refer to your DVD manual for further information VIDEO 1 or 2 Connects the video signals from various types of equipment Left Right AUDIO Used for stereo sound from various types of equipment CABLE Inputs Conne...

Page 6: ...r jackpack may be connect ed to the front connection panel To use the side jacks as the signal source select them using Main Input menu as described on page 23 They will be named Front Video in the Main Input menu If you input both Front Video and S Video only the S Video will work If you re connecting a video game device make sure to change the picture settings with the EZ Picture option in the V...

Page 7: ...g Video1 Video2 Side video Component1 2 RGB HDMI1 DVI and HDMI2 input sources FAV Scrolls the Favorite channels INFO When you watch the TV information dis plays on top of the screen Not available in Component 1 2 RGB HDMI1 DVI and HDMI2 mode MUTE Switches the sound on or off ADJUST Adjusts screen position size and phase in PC mode VOLUME UP DOWN Increases decreases the sound level NUMBER KEYPAD Fo...

Page 8: ...tory preset picture depending on the viewing environ ment Remote Control Key Functions Remote Control Key Functions SLEEP SAP Selects MTS sound Mono Stereo and SAP in Analog mode Change the audio language in DTV mode CHANNEL UP DOWN Scrolls through available channels in EZ Scan memory FLASHBK Tunes to the last channel viewed PIPCH Changes to next higher PIP channel SWAP Switches the picture from P...

Page 9: ... Power requirement Television System Program Coverage Power Consumption W Antenna Audio Output W Supplied Accessories AC120V 60Hz NTSC M ATSC 64 256 QAM VHF 2 13 UHF 14 69 CATV 1 135 CADTV 1 135 DTV 2 69 210W 75 ohm External Terminal for VHF UHF 20Wx2 Remote control 2 size AA batteries D sub 15 pin Cable Z44SZ80 40 30 14 5 51 Z52SZ80 49 32 15 73 SPECIFICATIONS ...

Page 10: ...DJ key to exit 2 Initial Adjustment mode Menu is shown below Fig 1 3 As shown Fig 1 using the CH D CH E keys to select an item press the ENTER or VOLUME G keys to enter the appropriate item and begin adjustment 4 Change the value of adjustment by using the volume G volume F keys To change adjustment item use the CH D CH E keys in EZ ADJ Mode 5 Press the ADJ key to exit after adjustments 6 Preparat...

Page 11: ...iner when not being used or in transit 4 Wearing gloves will help prevent ESD damage and help preserve the physical condition of the DMD 5 All work should be performed in a static free environment 6 Use caution and remove any dust particles on the DMD front glass or back pins pads 5 2 Caution for DMD Cleaning 1 Use caution to prevent scratches to the DMD glass 2 When DMD glass stains with dust pol...

Page 12: ...and by pressing Function Key F8 5 When OK letter appear completed the Write 6 After connector the JIG for download to HDMI 2 2 port open the second file 44 52SZ8D UA HDMI2_V1_1 697B DVI and operate as same above method 7 CPLD Download Work 7 1 Required Test Equipments Preparation for Adjustment 1 Connect the PC and memory JIG as shown in Fig 8 2 Turn on JIG MAIN POWER SW 3 Turn on the PC and monit...

Page 13: ...ust Projection lens downward 3 When the horizontal line is tilting in the Cross Pattern Engine Base is rotating with the left right 8 2 Geometry Adjustment 1 When the screen is rotated Rotate the Engine to adjust 1 Distortion Type Tilt 2 Adjustment Method The adjustments will raise or lower the mount on the right or left side so the image will be level 2 In case of the upper screen size is large b...

Page 14: ...justment 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 After adjustment is completed recieve a NTSC M Digital Pattern and check the adjusment level 10 Component AD9883A Offset Gain Adjustment 10 1 Required Test Equipment Service Remote Contro...

Page 15: ...ation quantity of the Actuator Phase 0 Fix The Tartan plaid of the R G and B adjust is not visible But when the R G and B will not ballance adjust the R and G to acheve ballance 12 CWI NDC Adjustment Base value CWI 165 NDC 10 12 1 Required Test Equipment Service Remote control for Adjustment 12 2 Preparation for Adjustment 1 Connect power and turn the TV set on 2 Using the Remote Control enter by ...

Page 16: ...to adjustment program is practiced ccws exe 2 Measure Model is chosen in Work Select_Model cmf file 3 Check Cool Inspection Warm Inspection Medium Inspection box of left column in the main screen come to be checked If it was not checked Inspection is not practiced after doing measure 4 Color Coordinate Value 5 Click Auto Measure There is progress situation in the right Auto CCA Process Start measu...

Page 17: ...coordinate that are between command words per Mode being possible to correct a common difference Edit Model Edit 2 Port Edit CA 210 and RS 232C Connection setting about SET Edit Port Edit Fig 20 CCA Automatic Adjustment Program Main Screen Fig 21 CCA Automatic Adjustment Program Main Screen ...

Page 18: ... 18 BLOCK DIAGRAM ...

Page 19: ... 19 BLOCK DIAGRAM ...

Page 20: ... 121 300 301 310 302 650 330 600 580 120 630 700 410 400 433 430 401 402 681 680 670 432 431 520 560 540 501 550 503 174 623 612 611 610 617 618 616 720 615 502 601 530 590 602 640 622 570 571 622 20 EXPLODED VIEW ...

Page 21: ...A PCB ASSEMBLY SUB TUNER NB05ED DU 44SZ80D M I 550 6871VSMZZAA PCB ASSEMBLY SUB DIGITAL MB05DA 44SZ8D UA M I 560 6871VSMANTA PCB ASSEMBLY SUB NB05ED DU 44SZ80D COMP M I 570 6871VSMANZA PCB ASSEMBLY SUB DMD NB05ED HD4 MAIN FOR 44SZ8D UA 571 3141VSNS77A CHASSIS ASSEMBLY SUB NB05ED HD4 DMD BOARD FOR 44SZ8D UA 580 6871VSME85A PCB ASSEMBLY SUB AUDIO MB042A DN 44SZ80L 590 6871VPMB16A PCB ASSEMBLY POWER ...

Page 22: ...G14CTR 5P SOT323 5L MAX708SCSA 8P 74LX1G07CTR 5P SOT323 5L MAX708SCSA MAXIM 8P LOCA NO PART NO DESCRIPTION IC1 IC1 IC100 IC100 IC1000 IC1001 IC101 IC102 IC103 IC104 IC105 IC105 IC106 IC107 IC109 IC110 IC110 IC1102 IC1103 IC111 IC1200 IC1201 IC1204 IC1601 IC1602 IC1603 IC2 IC2 IC200 IC200 IC202 IC203 IC3 IC300 IC301 IC314 IC315 IC316 IC319 IC4 IC400 IC401 IC402 IC403 IC404 IC404 0IMCRSH003A 0IPRPTO...

Page 23: ...IP 2SC3875S ALY BK KEC CHIP 2SC3875S ALY BK KEC KRA102S SOT23 50V 0 1A CHIP 2SC3875S ALY BK KEC CHIP 2SC3875S ALY BK KEC CHIP 2SC3875S ALY BK KEC CHIP 2SC3875S ALY BK KEC LOCA NO PART NO DESCRIPTION Q211 Q212 Q216 Q400 Q401 Q402 Q600 Q601 Q602 Q602 Q603 Q603 Q604 Q604 Q605 Q606 Q607 Q608 Q702 Q800 Q801 Q801 Q802 Q802 Q852 D1 D1 D100 D100 D100 D2 D201 D3 D3 D4 D401 D5 D6 D601 D602 D611 D700 D701 D7...

Page 24: ...UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION C1107 C1108 C1109 C111 C1110 C1111 C1112 C1113 C1114 C1115 C1116 C112 C1120 C1121 C1122 C1123 C1124 C1125 C1126 C1127 C1128 C1129 C113 C1130 C1131 C1132 C1133 C1134 C1135 C1136 C1137 C1138 C1139 C114 C1140 C1141 C1142 C1143 C1144 C1145 C1146 C1147 C1148 C1149 C1150 C1151 C1152 C1153 C1154 C1155 C1156 0...

Page 25: ...MVG 50V 20 10UF 0 16V K CA TP 5 1UF MVG 50V 20 10UF MVG 16V 20 22UF MVG 16V 20 10UF MVG 16V 20 LOCA NO PART NO DESCRIPTION C1304 C1305 C1307 C1309 C131 C1310 C132 C1325 C1326 C1327 C1328 C1337 C1338 C1339 C134 C1340 C1341 C1342 C1343 C1344 C140 C144 C144 C145 C145 C147 C149 C149 C15 C154 C1634 C1641 C1643 C1644 C1646 C1650 C1651 C1652 C1653 C1657 C166 C1666 C1669 C1671 C1675 C1677 C1679 C168 C1681...

Page 26: ...F STD 50V 20 4 7UF STD 50V 20 0 1UF 1608 16V 10 470UF STD 35V 20 220UF STD 16V M 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION C227 C228 C229 C229 C23 C230 C231 C231 C232 C233 C236 C24 C242 C246 C247 C248 C249 C2604 C2605 C27 C3 C301 C302 C3102 C3103 C3105 C3106 C3108 C311 C312 C313 C314 C315 C331 C339 C340 C349 C370 C371 C384 C385 C386 C393 C394 C4 C400 C402 C403 C404 C405 C405 0CK105DF64A 0CK104...

Page 27: ...0 100UF MVG 16V 20 47UF MVG 16V 20 10UF MVG 25V 20 0 1UF 1608 16V 10 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION C600 C601 C602 C603 C604 C605 C606 C606 C607 C608 C609 C610 C611 C612 C613 C614 C615 C616 C616 C617 C618 C619 C620 C621 C621 C622 C622 C623 C624 C625 C626 C627 C628 C628 C629 C630 C630 C631 C631 C632 C633 C634 C635 C636 C637 C637 C638 C639 C639 C640 C641 0CE106SF6DC 0CE106SF6DC 0CE106...

Page 28: ...8 16V 10 220UF STD 10V M 0 1UF 1608 16V 10 220UF STD 10V M 100UF MVG 16V 20 LOCA NO PART NO DESCRIPTION C716 C717 C717 C718 C719 C719 C720 C720 C721 C722 C722 C723 C724 C725 C726 C727 C728 C729 C730 C731 C732 C733 C734 C735 C736 C737 C738 C739 C740 C741 C742 C743 C744 C745 C745 C746 C747 C747 C748 C749 C749 C750 C751 C751 C752 C753 C753 C754 C755 C755 C756 0CE336SH6DC 0CK104CF56A 0CE107DD618 0CK10...

Page 29: ...0 0 1UF 1608 16V 10 1000PF D 2KV 10 0 1UF 1608 16V 10 1000PF D 2KV 10 0 1UF 1608 16V 10 47UF STD 50V M LOCA NO PART NO DESCRIPTION C808 C808 C809 C809 C810 C810 C811 C811 C812 C812 C813 C813 C814 C815 C815 C816 C817 C818 C819 C820 C821 C822 C823 C824 C825 C826 C827 C827 C828 C829 C830 C831 C831 C831 C832 C833 C833 C833 C834 C834 C835 C835 C836 C837 C837 C838 C839 C839 C840 C841 C841 0CC680CK41A 0C...

Page 30: ... 35V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION C949 C950 C951 C952 C957 C958 C959 C960 C963 C964 C965 C966 C967 C968 C969 C970 C971 C972 C973 C974 C975 C976 C981 C982 C989 C990 J4 J5 L1 L100 L105 L106 L107 L108 L403 L831 L841 L881 L891 L903 L904 T830 C1 C10 C11 C12 C13 0CK104CF56A 0CK104CF56A 0CE335SK6DC 0CE335SK6DC 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CK104CF5...

Page 31: ...19NDA JAE 1 0MM 19PIN JACK DIN 74320 3004 30PIN 4 7K OHM 1 16 W 1608 5 4 7K OHM 1 16 W 1608 5 22 OHM 1 16 W 1608 5 22 OHM 1 16 W 1608 5 22 OHM 1 16 W 1608 5 LOCA NO PART NO DESCRIPTION AR1903 AR1904 AR1905 AR302 AR303 AR406 AR407 AR408 AR409 AR410 AR611 AR612 AR613 AR614 AR615 AR616 AR617 AR618 AR619 AR800 AR801 AR802 AR803 AR804 AR805 R1 R1286 R2 R3 R4 R5 R773 R800 R801 R802 R804 R805 R809 R810 R...

Page 32: ...17 T418 T512 T513 T514 T515 X1 X100 X1202 X1203 X300 X600 X602 X800 C20 C23 C24 F800 IC1 IC101 IC102 IC312 IC704 PA1 TH801 TH802 TU104 0LCML00003B 0LCML00004A 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 6200QJ3001A 6200VJT006A 6200QJ3001A 6200VJT006A 6200QJ3001A 6200VJT006A 6200VJT006A 6200VJT006A 6200VJT006A 6200VJT006A 6200VJT006A 6200VJT006A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6...

Page 33: ... 6850TD9007E VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR SVC621D 14...

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Page 40: ...OP HD4 DRIVER BOTTOM TUNER TOP TUNER BOTTOM AC INPUT POWER AUDIO TOP AUDIO BOTTOM CONTROL TOP CONTROL BOTTOM AUDIO TOP AUDIO BOTTOM SIDE A V CASE DET PRE AMP HD3 DLP SENSOR TOP HD3 DLP SENSOR BOTTOM INTERFACE DIGITAL TOP DIGITAL BOTTOM ...

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