LG MU-42PZ90V Service Manual Download Page 7 | Manualshive

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SPECIFICATIONS

Monitor Display Specifications

Monitor Display Specifications

RGB/DVI Mode

Frequency(KHz)

Frequency(Hz)

Frequency(KHz)

Frequency(Hz)

Ensure that you connect the grounding / earth wire to prevent possible
electric shock. If grounding methods are not possible, have a qualified
electrician install a separate circuit breaker. Do not try to ground the
unit by connecting it to telephone wires, lightening rods, or gas pipes.

For proper ventilation, allow a clearance of 4” on each
side and 2” from the wall. Detailed installation instruc-
tions are included from your dealer in the optional Wall
Mounting Bracket Installation and Setup Guide.

http://www.wjel.net

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Summary of Contents for MU-42PZ90V

Page 1: ... SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS RF 03GA MODEL MU 42PZ90V MU 42PZ90XV MODEL MU 42PZ90XC CANADA http biz lgservice com USA http www lgservice com http lgservice com techsup html h t t p w w w w j e l n e t ...

Page 2: ...AC switch in the on positioin 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 measured resistance should be between 1MΩ and 5 2MΩ When the exposed metal has no return path to the chassis the reading must ...

Page 3: ...ERNAL CONTROL DEVICE SETUP 8 IR CODE NEC FORMAT 14 ADJUSTMENT INSTRUCTION 16 BLOCK DIAGRAM 19 EXPLODED VIEW 22 EXPLODED VIEW PARTS LIST 23 REPLACEMENT PARTS LIST 24 SCHEMATIC DIAGRAM PRINTED CIRCUIT BOARD TABLE OF CONTENTS h t t p w w w w j e l n e t ...

Page 4: ... to another monitor s PC input port 5 EXPANDED INPUT Connect the Monitor with the PDP Tuner by using the tuner box cable 6 COMPONENT INPUT AUDIO INPUT JACKS 7 REMOTE CONTROL Connect your wired remote control to the remote control port on the Monitor 8 S VIDEO INPUTS Connect video out from an S VIDEO VCR to the S VIDEO input AUDIO VIDEO INPUT JACKS Connect audio video out from external equipment to...

Page 5: ...hanges the picture format PIP Switches the sub picture on and off SWAP Exchange main and sub picture image MENU Displays on screen menus Exits the current menu Memorizes menu changes ENTER CH D D E E Channel button Select menu options VOL F F G G Volume button Increases decreases sound level Adjusts menu settings INPUT SELECT Selects Video S Video Component RGB or DVI mode DASP Selects the sound a...

Page 6: ...s mm Weight pounds kg Power requirement Resolution Color Operating Temperature Range Operating Humidity Range Maximum Elevation MU 42PZ44V MU 42PZ90V 40 7 1033 24 5 622 3 2 81 75 34 AC100 240V 50 60Hz 852 x 480 Dot 16 770 000 256 steps of each R G and B 32 104 F 0 40 C Less than 80 6561 feet 2000m SPECIFICATIONS h t t p w w w w j e l n e t ...

Page 7: ... 70 06 75 02 60 05 70 01 75 00 75 06 60 00 60 02 Vertical Frequency Hz Resolution 800x600 832x624 1024x768 1152x864 1152x870 1280x1024 Horizontal Frequency KHz Vertical Frequency Hz 1280x960 GROUNDING Ensure that you connect the grounding earth wire to prevent possible electric shock If grounding methods are not possible have a qualified electrician install a separate circuit breaker Do not try to...

Page 8: ... Connect the RS 232C input jack to an external control device such as a computer or an A V control system and control the Monitor s functions externally Connect the serial port of the control device to the RS 232C jack on the Monitor back panel RS 232C connection cables are not supplied with the Monitor T Type of Connector D Sub 9 Pin Male ype of Connector D Sub 9 Pin Male RS 232C Configurations R...

Page 9: ...rotocol ransmission Receiving Protocol OK Acknowledgement The Monitor transmits ACK acknowledgement based on this format when receiving normal data At this time if the data is data read mode it indicates present status data If the data is data write mode it returns the data of the PC computer Command2 Set ID OK Data x Error Acknowledgement The Monitor transmits ACK acknowledgement based on this fo...

Page 10: ...e mute on Volume off 1 Volume mute off Volume on k e Set ID Data Cr Acknowledgement e Set ID OK Data x 03 Aspect Ratio Command2 c Main picture format G To adjust the screen format You can also adjust the screen format using the ARC Aspect Ratio Control button on remote control or in the Screen menu Transmission Data 0 Wide screen 16 9 1 Normal screen 4 3 2 Full screen Zoom 3 Horizon k c Set ID Dat...

Page 11: ...ing the PIP or DW but ton on the remote control or in the PIP DW menu Transmission Data 0 PIP DW off 1 PIP 2 DW1 3 DW2 k n Set ID Data Cr Acknowledgement n Set ID OK Data x G To adjust the screen sharpness You can also adjust sharpness in the Picture menu Transmission 11 Sharpness Command2 k Data Min 0 Max 64 Refer to Real data mapping1 See page 28 k k Set ID Data Cr Acknowledgement k Set ID OK Da...

Page 12: ...mmand2 t G To adjust balance You can also adjust balance in the Sound menu Transmission Data Min 0 Max 64 Refer to Real data mapping1 See page 28 k t Set ID Data Cr Acknowledgement t Set ID OK Data x 18 Treble Command2 r G To adjust treble You can also adjust treble in the Sound menu Transmission Data Min 0 Max 64 Refer to Real data mapping1 See page 28 k r Set ID Data Cr Acknowledgement r Set ID ...

Page 13: ...sion Data Min 0 Max 64 Refer to Real data mapping1 See page 28 j t Set ID Data Cr Acknowledgement t Set ID OK Data x 32 Auto Configure Command2 u G To adjust picture position and minimize image shaking automatically It works only in RGB PC mode Transmission Data 1 To set j u Set ID Data Cr Acknowledgement u Set ID OK Data x 25 PIP Input Select Command2 y G To select input source for sub picture in...

Page 14: ... C0 Carrier frequency FCAR 1 TC fOSC 12 Duty ratio T1 TC 1 3 Repeat frame C1 C2 C3 C4 C5 C6 C7 C0 C1 C2 C3 C4 C5 C6 C7 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7 Repeat code 9 ms 4 5 ms 0 55 ms 9 ms 2 25 ms G Bit description G Frame interval Tf The waveform is transmitted as long as a key is depressed Bit 0 Tf Tf Tf 108ms 455KHz 0 56 ms 0 56 ms 1 12 ms Bit 1 2 24 ms How to Connect How to Conn...

Page 15: ...ete IR Code Input Video Selection Discrete IR Code Input S video Selection R C Button R C Button R C Button R C Button R C Button R C Button R C Button R C Button PIP Double window Exchange R C Button 4 3 16 9 R C Button R C Button R C Button R C Button R C Button R C Button R C Button 4 3 16 9 Zoom mode Selection Discrete Only 4 3 mode Discrete Only 16 9 mode Discrete Only Zoom mode Discrete IR C...

Page 16: ...protected For the protection of data Micom does not permit any more adjustments after completion O In case of re adjustment operate First Value Setting Each PCB Assy must be checked prior to installation Especially be careful Power PCB Assy which can cause damage to PDP Module 3 POWER PCB Assy Voltage Adjustments Va Vs Voltage Adjustments 3 1 Test Equipment Digital Multi Meter DMM 3 2 Connection D...

Page 17: ...lf Red 127 level signal for Pr offset adjustment 8 Press Vol key and operate To SET for Pr offset adjustment 9 Original Half Red 127 level screen will be presented about 5 10 seconds later and the OK indication appears This case Component Auto offset Gain adjustment will be completed O You can check whether circuit adjustment is correct or not below Item 4 1 1 Display RGB to the Main picture CVBS ...

Page 18: ...or writing DDC EDID data write read 3 D Sub 15P cable D Sub to DVI Connector DVI D 6 2 Setting of Device 6 3 Preparation for Adjustments 1 Set devices as above and turn the PC JIG on 2 Open S W for writing DDC EDID data write read operated in DOS mode 6 4 Sequence of Adjustments 1 DDC Data Input for Analog RGB 1 Place the set on the table and turn the power on 2 Connect PC Serial to D sub 15P Cabl...

Page 19: ... 19 BLOCK DIAGRAM h t t p w w w w j e l n e t ...

Page 20: ... 20 BLOCK DIAGRAM BLOCK DIAGRAM h t t p w w w w j e l n e t ...

Page 21: ... 21 NOTES h t t p w w w w j e l n e t ...

Page 22: ... 22 EXPLODED VIEW 200 203 205 202 204 206 530 401 540 541 520 560 550 210 570 521 551 553 552 201 580 301 303 302 300 305 400 101 102 103 h t t p w w w w j e l n e t ...

Page 23: ...Y NON FILTER BOTTOM 303 4980V00268A SUPPORTER ASSY NON FILTER SIDE 305 3790V00709B FILTER MECH LGM42 01 400 3809V00245Y BACK COVER ASSEMBLY MU 42PZ90V NON PIVOT 3809V00400D BACK COVER ASSEMBLY 42PZ90XV 401 3300V00096R PLATE A V AL 675 2 95 8 1 2 MZ 42PZ90 3300V00096W PLATE ASSY 42PZ90XV 520 6871VMMP39D PCB ASSEMBLY MAIN RF 03GA MU 42PZ44 45V VSC 6871VMMS46A PCB ASSEMBLY MAIN 42PZ90XV 521 4980V0079...

Page 24: ... IC1401 IC1405 IC1406 IC202 IC301 IC401 IC402 IC403 IC405 IC407 IC410 IC415 IC501 IC502 IC503 IC504 IC601 IC701 IC702 IC703 IC704 IC740 IC741 IC742 IC743 IC744 IC746 IC747 IC748 IC749 IC750 IC751 IC802 0ISO208900A 0IMCRFA010A 0IAL242110A 0IAL242110A 0IMCRTI003A 0IPRPBB005A 0IMCRPH015A 0ISH122100B 0IMCRTI021A 0IMCRTI021A 0IMCRTI021A 0IMCRTI021A 0IMCRTI021A 0IIT323000E 0IMCRGN001B 0IMMRHY033A 0IMCRS...

Page 25: ...IP KDS226 SOT23 CHIP KDS226 SOT23 CHIP KDS226 SOT23 CHIP KDS226 SOT23 CHIP KDS226 SOT23 CHIP KDS226 SOT23 CHIP KDS226 SOT23 CHIP KDS226 SOT23 CHIP KDS226 SOT23 CHIP KDS226 SOT23 CHIP KDS226 SOT23 LOCA NO PART NO DESCRIPTION D857 D870 D871 D872 D873 D880 D881 D882 D883 DA105 LD300 LD740 LD741 LD742 LD743 ZD100 ZD830 ZD831 ZD832 C002 C005 C006 C007 C008 C010 C012 C013 C014 C014 C015 C015 C017 C018 C...

Page 26: ...V M 10UF MVG 16V 20 220000PF 2012 16V 10 10UF MVG 16V 20 220000PF 2012 16V 10 LOCA NO PART NO DESCRIPTION C1505 C1506 C1507 C1510 C201 C204 C207 C211 C216 C221 C383 C384 C410 C413 C416 C420 C440 C441 C445 C468 C469 C471 C472 C479 C485 C488 C489 C491 C494 C505 C506 C507 C510 C523 C524 C671 C672 C673 C674 C675 C676 C726 C755 C758 C760 C765 C766 C769 C770 C772 C774 0CK224DF56A 0CK224DF56A 0CK224DF56A...

Page 27: ...401 AR1402 AR1403 AR1460 AR1461 AR1462 AR1463 AR1465 AR1466 AR1467 AR1468 AR1469 AR1470 AR1471 AR1472 AR1473 AR1474 AR1475 AR1476 AR1516 AR1517 AR260 AR261 AR262 AR263 AR264 AR265 AR400 AR401 AR402 AR403 AR460 AR461 380 068E 6612J00010A 6612BBBHN6A 380 363K 6612VMV002A 6612JH003CA 380 068E 6630VGA001C 387 B04C 6630VGA001C 6630VGA004B 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZ...

Page 28: ...02 SW741 SW800 F601 F602 IC411 IC412 IC413 L001 L002 L003 L004 L007 L008 L009 L010 L100 L101 L411 L412 L871 L873 L874 L875 L876 L877 L878 L879 L880 L881 L882 L883 L884 L887 L888 L889 L890 L900 L901 L902 L903 L904 L905 L906 140 315A 140 315A 140 315A 140 315A 140 315A 140 275A 140 313B 6600VM2006A 6200VJS001A 6200VJS001A 6200C000010 6200C000010 6200C000009 6210VC0006A 6210VC0006A 6210VC0006A 6210VC...

Page 29: ...BMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 ...

Page 30: ...NO 3828VD0129T CANADA LG Electronics Canada Inc 550 Matheson Boulevard East Mississauga Ontario L4Z 4G3 USA LG Customer Interactive Center P O Box 240007 201 James Record Road Huntsville AL 35824 ATTN CIC h t t p w w w w j e l n e t ...

Page 31: ...h t t p w w w w j e l n e t ...

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Page 36: ...AV TOP AV BOTTOM AV FIX TOP AV FIX BOTTOM POWER SWITCH CONTROL TOP CONTROL BOTTOM SPEAKER TOP SPEAKER BOTTOM PRINTED CIRCUIT BOARD MAIN TOP MAIN BOTTOM h t t p w w w w j e l n e t ...

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