LG MT-42PZ90 Service Manual Download Page 11

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D-sub 15 pin cable

AS mark

LG TV

Owner’s Manual

1.5V

Alkaline batteries

BNC-RCA adaptor

(optional)

Power Cord

P S M

S S M

SIZE

REVEAL

UPDATE

M I X

HOLD

INDEX

MODE

TIME

POWER

MULTIMEDIA

INPUT SELECT

ARC

I/II/

PIP/DW

TEXT/

PR-/

PR+/

SWAP

MUTE

VOL

WIN.POSITION

SPLIT ZOOM

ZOOM-

WIN.SIZE

ZOOM+

SLEEP

LIST

STOP

PLAY

REC

REW

P/STILL

VOL

PIP INPUT

Remote Control handset

DVI-D Cable

Accessories

Optional extras can be changed or modified for quality improvement without any notification new optional extras can be
added.

Contract your dealer for buying these items.

Optional Extras

Phone scart cable (Optional)

Tilt wall mounting bracket

Video cables

Audio cables

Desktop stand

Wall mounting bracket

Ceiling mounting bracket

Speakers

Desktop Speaker stand

Vertical Wall mounting bracket

Summary of Contents for MT-42PZ90

Page 1: ...CAUTIONS IN THIS MANUAL CHASSIS RF 03FA MODEL RT MT MZ 42PZ90 H B R S MODEL RT MT 42PZ92 H B R S MODEL RT MT MZ 42PZ91M 91V B R S MODEL RT MT 42PZ93M 93V B R S MODEL RT RZ BA50 website http biz LGservice com e mail http www LGEservice com techsup html Aug 2003 Printed in Korea P NO 3828VD0129S ...

Page 2: ...TIONS 3 DESCRIPTION OF CONTROLS 4 SPECIFICATIONS 8 ADJUSTMENT INSTRUCTIONS 17 BLOCK DIAGRAM 19 ASSEMBLY METHOD 20 PRINTED CIRCUIT BOARD 25 EXPLODED VIEW 30 EXPLODED VIEW PARTS LIST 31 REPLACEMENT PARTS LIST 33 SCHEMATIC DIAGRAM ...

Page 3: ... With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path to the chassis the measur...

Page 4: ...AUDIO INPUT AUDIO INPUT COMPONENT INPUT AUDIO INPUT RGB OUTPUT RGB INPUT DVI INPUT VIDEO INPUT EXPANDED INPUT VOL MENU INPUT SELECT ON OFF Main Power Button INPUT SELECT Button VOLUME F G Buttons Power Standby Indicator Illuminates red in standby mode Illuminates green when the Monitor is turned on Remote Control Sensor MENU Button D E Buttons AUDIO INPUT VIDEO INPUT S VIDEO INPUT AUDIO INPUT RS 2...

Page 5: ...ONTROL SERVICE EXPANDED INPUT EXTERNAL SPEAKER Y PB PR MONO R AUDIO L R AUDIO L S VIDEO AC INPUT AUDIO INPUT AUDIO INPUT COMPONENT INPUT AUDIO INPUT RGB OUTPUT RGB INPUT DVI INPUT VIDEO INPUT RCA Type Scart Type ANTENA INPUT AV EXPAND ED INPUT RT BA50 RZ BA50 AV1 2 EXPAND ED INPUT EXTERNAL SPEAKER 8 ohm output RS 232C INPUT CONTROL SE RVICE PORT EXPANDED INPUT POWER CORD SOCKET DVI INPUT RGB INPUT...

Page 6: ...ut Setup The PDP Tuner has a special signal output capability which allows you to hook up a second TV or monitor Just connect the second TV or monitor to the AV OUTPUT socket on the PDP Tuner See the Operating Manual of the second TV or monitor for further details regarding that device s input settings S VIDEO OUT IN R AUDIO L VIDEO ANT OUT ANT IN AV1 EXPANDED EXPANDED OUTPUT ANT IN DC IN DC 12V 7...

Page 7: ...rn the Plasma Display on and select the programme you want Watching VCR 1 Use the INPUT SELECT button on the remote control to select AV AV1 or AV2 or AV EXP AV1 EXP or AV2 EXP If both S VIDEO and VIDEO sockets have been connected to the S VHS VCR simultaneously only the S VIDEO can be received If connected to S VIDEO select the S Video external input source 2 Insert a video tape into the VCR and ...

Page 8: ...digital set top box Refer to the owner s manual for the digital set top box 2 Use INPUT SELECT on the remote control to select Component RGB or DVI Component Input ports You can get better picture quality if you connect DVD player with component input ports as below Component ports of the Monitor Y PB PR Video output ports of DVD player Y Y Y Y Pb B Y Cb PB Pr R Y Cr PR MONO R AUDIO VIDEO L AV EXP...

Page 9: ... INPUT port on the Monitor Connect the audio cable from the PC to the Audio input on the Monitor Audio cables are not included with the Monitor If using a sound card adjust PC sound as required This monitor apply a VESA Plug and Play Solution The monitor provides EDID data to the PC system with a DDC protocol The PC adjusts automatically to use this monitor DDC protocol is preset for RGB Analog RG...

Page 10: ...s a program for the sub picture SWAP Alternates between main and sub pic ture PIP INPUT Selects the input mode for the sub picture WIN SIZE Adjusts the sub picture size WIN POSITION Moves the sub picture to D D E E or F F G G direction SWAP Returns to the previously viewed programme NUMBER buttons MENU Displays on screen menus one by one Exits the current menu Memorizes menu changes SPLIT ZOOM Enl...

Page 11: ...WIN SIZE ZOOM SLEEP LIST STOP PLAY FF REC REW P STILL VOL PIP INPUT M Remote Control handset DVI D Cable Accessories Optional extras can be changed or modified for quality improvement without any notification new optional extras can be added Contract your dealer for buying these items Optional Extras Phone scart cable Optional Tilt wall mounting bracket Video cables Audio cables Desktop stand Wall...

Page 12: ...Test and Inspection Method 1 Performance Follow the Standard of LG TV test 2 Extra standards Safety Follow the standard of CE IEC EMC Follow the standard of CE IEC Remark Safety IEC60065 IEC60095 EMI EN55013 Conducted Radiation EMI EN55013 Antenna Terminal Voltage EMS EN55024 Safety IEC60065 IEC60095 EMI EN55013 Conducted Radiation EMI EN55013 Antenna Terminal Voltage Model Name MZ 42PZ44 MZ 42PZ4...

Page 13: ...Screen Device Aspect Ratio PDP Module Screen Filter Operating Environment Storage Environment Input Voltage PDP LGE Maker NBK E Mesh LGE Mark SPEC MZ 42PZ44 45 MURADA SONY SANKEN 13 V Model Specification 1 MZ 42PZ4x MZ 42PZ44 45 No Item Specification Remark 2 RZ BA50 EU DC 12V PAL B G I D K SECAM L L Upper Heterodyne PAL SECAM No Item Specification Remark Market Input Voltage Broadcasting system R...

Page 14: ...m Specification Remark Market Input Voltage Broadcasting system Receiving system Video In Out System 29 30 31 32 33 1 2 3 4 5 Remote controller code Remote control Local Key Set up method RGB input D Sub 15 pin NEC Code 1 Wireless Remote Control 2 Wired Remote Control RCA AV B D Tuner Box Menu Input select V VOLF VOLG UpD DownE Power Main Power Wall Mount Desk top Pivot Optional RGB PC Input VGA 8...

Page 15: ...0i 480p 576i 576p 1080i 1152i PAL SECAM NTSC L R For Video S Video L R For Component Discrete IR PAL BG DK I SECAM L L Scart 1 TV Out Scart 2 MNT Out Wired Remote Control DC 12V In 36Pin PAL BG DK I NTSC PAL SECAM NTSC Input AV Output Wired Remote Control DC 12V In 36Pin Vin FB RGB in L R in 1 TV out non opposition 2 Auto AV non function Vin Lin R in V out L out R out 1 MNT out of Tuner Box non op...

Page 16: ... User Setting Off On User Setting Time Off On User Setting Time Volume Off On EU 5 languages G English French German Spanish Italian 3 languages G English Chinese Russian On Off G Normal ISM action On G Orbiter 2 min 2pixel a cycle G Inversion 30 min cycle On Off G White Wash Any key Off 1 99 On 30 Off 4 Mode Default Standard 4 Mode Default Normal Each 10 Step Default 0 Default Enable For NTSC 5 M...

Page 17: ... RGB DBI TV AV1 EXP AV2 EXP AV S VIDEO COMPONENT RGB DVI RGB DVI AV1 AV2 S VIDEO TV AV EXP AV S VIDEO COMPONENT RGB DVI RGB DVI COMPONENT AV S VIDEO TV AV1 EXO AV2 EXP RG B DVI TV VIDEO EXP RGB DVI TV AV1 EXP AV2 EXP AV1 AV2 S VIDEO RGB DVI Default Normal Enable For Pivot Disable For DW Mode Default 100 RGB mode only RF AV S Video To Initialize for user data WVGA correspondence RGB DVI Mode Lumina...

Page 18: ...XT action standard 2 4 9 division 100 300 Power Numberic 0 9 TV AV Multimedia PR Numberic 0 9 ARC PR VOL MUTE PIP Input PIP PR MENU PSM SSM Main Input RGB DVI Component 480 TV AV S VIDEO SCART Component 480i Scart AV B D Scart Tuner Box Scart V B D RCA Tuner Box Main Sub screen All PIP Screen Only With Tuner Box Gray Except TV Mode Gray For MNT Main Input sequence For Tuner Boxs Available Sub Inpu...

Page 19: ...00 640 x 480 640 x 480 640 x 480 640 x 480 640 x 480 848 x 480 848 x 480 848 x 480 852 x 480 852 x 480 852 x 480 800 x 600 800 x 600 800 x 600 800 x 600 800 x 600 832 x 624 31 468 37 861 31 469 37 927 31 469 35 000 37 861 37 500 43 269 31 5 37 799 39 375 31 5 37 799 39 375 35 156 37 879 48 077 46 875 53 674 49 725 70 09 85 08 70 08 85 03 59 94 66 66 72 80 75 00 85 00 60 00 70 00 75 00 60 00 70 00 ...

Page 20: ...0 50 00 50 00 50 00 27 027 74 250 74 250 MT 42PZ4x MT 42PZ4x MT 42PZ4x No Resolution H freq kHz V freq Hz Pixel clock MHz Remarks 1 2 3 4 5 6 7 8 9 10 Display area Outline dimension Number of Pixels Number of Grdations Color Arrangement weight net weight gross Operating Environment Storage Enironment Image stick Starts time minimization moe The minimum brightness reaching time 920 1 H x 518 4 V 0 ...

Page 21: ...bout 3 5 seconds later And if there is a mark of OK OSD then the Auto Cut off and Min Bias adjustment will be completed 5 Pass to the next MAX Bias Adjustment after Adjustment Replace PDP Module or Power Board adjust certainly Power PCB Assy Voltage O You can check whether circuit adjustment is operated well or not as below 1 Display RGB1 to the Main picture CVBS to the Sub picture in the TWIN PIC...

Page 22: ...ig for adjusting PC DDC PC serial to D sub Connection equipment 2 S W for writing DDC EDID data write read 3 D Sub 15P cable D Sub to DVI Connector Connect to DVI Jack 6 2 Setting of Device 6 3 Preparation for Adjustment 1 Set devices as above and turn the PC jig on 2 Put S W for writing DDC EDID data write read into operation operated in DOS mode 6 4 Sequence of Adjustment 1 DDC Data Input for An...

Page 23: ...ivibrator Y Pb Pr 480p è high Y Cb Cr 480i low YUV 16 bit Indicate even odd for de_interlace 48 Wired _OR AD9888 unselect by IC power down Sil161B unselect by output floating DTV CH1 CH0 U Com ID Y Pb Pr 480PÀÌ ó Y C DVI D DSUB PC IN DSUB PC OUT RGB PIGGY L R A V L R PC L R MNT L R RGB B IC601 Sil160 TMDS_TX 3 3V 10 24 8 Cntl IC404 FLI2300 De_interlace 3 3V 2 5V 7 IC405 K4S643232E SDRAM 8Mbyte 3 3...

Page 24: ...ULE of a part and PLATE A V unite two things 2 Unite after put on BACK COVER INNER of b part 3 Disassembly is opposite to Assembly NOTE Working sequence of a Part is different from b Part 24 ASSEMBLY METHOD ...

Page 25: ... 25 MAIN TOP PRINTED CIRCUIT BOARD ...

Page 26: ... 26 MAIN BOTTOM ...

Page 27: ... 27 AV BOARD TOP AV BOARD BOTTOM AV FIX BOARD TOP AV FIX BOARD BOTTOM ...

Page 28: ... 28 CONTROL BOARD TOP CONTROL BOARD BOTTOM POWER SWITCH SPEAKER TOP SPEAKER BOTTOM ...

Page 29: ...MEMO 29 ...

Page 30: ... 30 EXPLODED VIEW 200 203 205 202 204 206 570 401 540 541 520 560 550 430 540 521 551 490 552 201 580 301 303 302 300 305 400 102 Tuner 720 710 700 103 101 ...

Page 31: ...81E FILTER MECH MN 42PZ40S 1142G03E GLASS NBK MESH SINGLE AR 400 3809V00245Y BACK COVER ASSEMBLY MU 42PZ90V NON PIVOT 3809V00245X BACK COVER ASSEMBLY MZ 42PZ90 NON PIGGY BLACK 401 3300V00096R PLATE A V AL 675 2 95 8 1 2 MZ 42PZ90 410 4980V00240A SUPPORTER VERTICAL EGI FD 42X3 430 4980V00240B SUPPORTER SUPPORTER VERTICAL EGI MN 42PZ10 490 4814V00309B SHIELD COVER RJ 42PZ40 RF02KC AL AC SOCKET 520 6...

Page 32: ...IC749 IC750 IC751 IC802 IC850 IC852 IC853 IC857 IC858 IC859 IC901 IC902 IC903 0ISO208900A 0IMCRFA010A 0IAL242110A 0IAL242110A 0IMCRTI003A 0IPRPBB005A 0IDS162100B 0IMCRPH015A 0ISH092100B 0ISH122100B 0ISO210100B 0IPRPTI001A 0IMCRTI003A 0IMCRAD003A 0IIT323000E 0IFA741230A 0IMCRGN001B 0IMMRHY033A 0IIT323000E 0IMCRGN002B 0IMMRHY033A 0IMCROT001A 0IMMRHY033A 0IMMRHY033A 0IMMRHY033A 0IS5160000A 0IMCRRS001...

Page 33: ...N DA105 LD740 LD741 LD742 LD743 ZD001 ZD002 ZD830 ZD831 ZD832 C002 C005 C006 C007 C008 C010 C012 C013 C014 C014 C015 C015 C017 C018 C019 C019 C020 C020 C021 C022 C022 C023 C023 C024 C024 C025 C025 C026 C029 C030 C030 C031 C034 C035 C038 C039 C040 C041 C042 C042 0DD226239AA 0DL233309AC 0DL233309AC 0DL233309AC 0DL233309AC 0DR050008AA 0DR050008AA 0DR050008AA 0DR050008AA 0DR050008AA 0CE476SF6DC 0CE107...

Page 34: ... C437 C438 C442 C443 C444 C447 C456 C479 C485 C488 C489 C491 C494 C502 C503 C504 C510 C523 C524 C671 C672 C673 C674 C675 C676 C724 C760 C765 C766 C769 C772 C785 C787 C788 C789 C791 C793 C810 C820 C824 C826 C828 C833 C839 C881 C884 C887 C890 0CK224DF56A 0CK224DF56A 0CE106SF6DC 0CK224DF56A 0CK224DF56A 0CK224DF56A 0CK224DF56A 0CK224DF56A 0CK224DF56A 0CK224DF56A 0CE106SF6DC 0CE106SF6DC 0CE107SF6DC 0CE...

Page 35: ...T12002M 366 932D 6602T11001A 6602V25009L 6602V39003A 6602V25009F 6602V39003A 366 932B 366 932B 387 B04C 6612VLH002A 6612JH003CA 380 068D 6612J00010A 6612BBBHN6A 380 363K 6612VMV002A 6612JH003CA 380 068E 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZV...

Page 36: ...M 350MA LOCA NO PART NO DESCRIPTION L002 L002 L003 L003 L004 L004 L005 L006 L007 L008 L009 L010 L270 L271 L272 L273 L274 L275 L276 L872 L873 L874 L875 L876 L877 L878 L879 L881 L882 L883 L884 L887 L888 L889 L890 L891 L892 L900 L901 L902 L903 L904 L905 L906 L907 L908 L909 L910 L911 L912 L913 L914 6200JB8010L 6210VC0006A 6200JB8010L 6210VC0006A 6200JB8010L 6210VC0006A 6200JB8010L 6200JB8010L 6210VC00...

Page 37: ...501NT 3 2X1 6X1 6MM R TP FILTER FBMH3216 HM501NT 3 2X1 6X1 6MM R TP FILTER SQE2222 7 14MH 0 37PHY 48TURN TDA2616 RESONATOR CRYSTAL 20250000HZ 30PPM 16PF TP RESONATOR CRYSTAL 13 500000MHZ 50 PPM 14PF RESONATOR CRYSTAL 20250000HZ 30PPM 16PF TP RESONATOR CRYSTAL 13 500000MHZ 50 PPM 14PF RESONATOR CRYSTAL 18 432MHZ 30PPM 10PF BK RESONATOR CRYSTAL 25MHZ 50 PPM 20PF T R SWITCH TACT SKHV17910B LG C D NON...

Page 38: ...2SC3875S ALY KEC TR CHIP 2SC3875S ALY KEC TR CHIP 2SC3875S ALY KEC TR CHIP 2SC3875S ALY KEC TR CHIP 2SC3875S ALY KEC TR CHIP 2SC3875S ALY KEC TR CHIP 2SC3875S ALY KEC TR CHIP 2SA1504S ASY KEC TR CHIP 2SC3875S ALY KEC TR CHIP 2SA1504S ASY KEC LOCA NO PART NO DESCRIPTION Q410 Q411 Q601 Q602 Q603 Q604 Q605 D001 D002 D003 D004 D005 D006 D010 D011 D012 D013 D101 D102 D103 D401 D402 D403 D404 D406 D407 ...

Page 39: ... L401 L402 L402 L403 L403 L404 L404 L405 L406 L407 L408 L409 L410 L411 L801 L802 L803 T801 P001 P106 P002 P003 P104 P104 P105 P105 0CE106DK618 0CE107DF618 0CE107DF618 0CE107DF618 0CE477DF618 0CK224DF56A 0CE477DF618 0CE107DF618 0CE106DF618 0CE477DF618 0CE107DF618 0CE477DF618 0CE477DF618 0CE477DF618 0CE106DF618 0CK224DF56A 0CE107DF618 0LC1032101A 0LC0233002A 0LC1032101A 0LC0233002A 0LC1032101A 0LC02...

Page 40: ...TP FILTER FBMH3216 HM501NT 3 2X1 6X1 6MM R TP FILTER FBMH3216 HM501NT 3 2X1 6X1 6MM R TP FILTER FBMH3216 HM501NT 3 2X1 6X1 6MM R TP FILTER FBMH3216 HM501NT 3 2X1 6X1 6MM R TP FILTER FBMH3216 HM501NT 3 2X1 6X1 6MM R TP FILTER FBMH3216 HM501NT 3 2X1 6X1 6MM R TP FILTER FBMH3216 HM501NT 3 2X1 6X1 6MM R TP FILTER FBMH3216 HM501NT 3 2X1 6X1 6MM R TP FILTER FBMH3216 HM501NT 3 2X1 6X1 6MM R TP FILTER FBM...

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Page 51: ... ÆFor europe ...

Page 52: ... ÆFor asia ...

Page 53: ...SVC SHEET 3854V A0133A S1 SVC SHEET 3854V A0133A S2 SVC SHEET 3854V A0133A S3 SVC SHEET 3854V A0133A S4 ...

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