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LG MU-42PZ90V Service Manual

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All manuals and user guides at all-guides.com
PLASMA MONITOR
SERVICE MANUAL
CHASSIS : RF-03GA
MODEL : MU-42PZ90V MU-42PZ90XV
MODEL :
MU-42PZ90XC
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CANADA : http//biz.lgservice.com
USA
: http//www.lgservice.com
: http//lgservice.com/techsup.html

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  • Page 1 All manuals and user guides at all-guides.com CANADA : http//biz.lgservice.com : http//www.lgservice.com : http//lgservice.com/techsup.html PLASMA MONITOR SERVICE MANUAL CHASSIS : RF-03GA MODEL : MU-42PZ90V MU-42PZ90XV MODEL : MU-42PZ90XC CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
  • Page 2 If the exposed metallic part has a return path to the chassis, the measured resistance should be between 1MΩ and 5.2MΩ. CANADA: LG Electronics Canada, Inc. 550 Matheson When the exposed metal has no return path to the chassis the Boulevard East Mississauga, Ontario L4Z 4G3 reading must be infinite.

  • Page 3: Table Of Contents

    All manuals and user guides at all-guides.com TABLE OF CONTENTS DESCRIPTION OF CONTROLS ...........4 SPECIFICATIONS..............6 EXTERNAL 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 ...........

  • Page 4: Description Of Controls

    All manuals and user guides at all-guides.com DESCRIPTION OF CONTROLS Controls Controls Front Panel Controls Front Panel Controls ON/OFF Buttons Main Power Button INPUT SELECT Button VOLUME ( ) Buttons MENU Button Remote Control Sensor Power Standby Indicator Illuminates red in standby mode, Illuminates green when the Monitor is turned on Connection Options...
  • Page 5 ZOOM + ration. Adjusts the sub picture size. A.PROG MEMORY/ERASE PIP CH Not functional ZOOM-/ZOOM+ CAPTION FAV CH PIP CH Enlarges or reduces the main picture POWER size. STOP P/STILL VCR BUTTONS PLAY Control LG video cassette recorders. - 5 -...

  • Page 6: Specifications

    All manuals and user guides at all-guides.com SPECIFICATIONS MODELS MU-42PZ44V MU-42PZ90V 40.7 / 1033 Width (inches / mm) 24.5 / 622 Height (inches / mm) 3.2 / 81 Depth (inches / mm) 75 / 34 Weight (pounds / kg) AC100-240V ~ 50/60Hz...
  • Page 7 All manuals and user guides at all-guides.com SPECIFICATIONS Monitor Display Specifications Monitor Display Specifications RGB/DVI Mode Horizontal Vertical Horizontal Vertical Resolution Resolution Frequency(KHz) Frequency(Hz) Frequency(KHz) Frequency(Hz) 31.468 70.09 35.156 56.25 640x350 37.861 85.08 37.879 60.31 31.469 70.08 48.077 72.18 800x600 720x400 37.927 85.03...

  • Page 8: External Control Device Setup

    All manuals and user guides at all-guides.com EXTERNAL CONTROL DEVICE SETUP - 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.
  • Page 9 All manuals and user guides at all-guides.com EXTERNAL CONTROL DEVICE SETUP Set ID Set ID Use this function to specify a monitor ID number. SPECIAL SPECIAL Refer to ‘Real Data Mapping 1’. See page 28. Language 1. Press the MENU button and then use button to select the menu.
  • Page 10 All manuals and user guides at all-guides.com EXTERNAL CONTROL DEVICE SETUP 01. Power (Command2:a) 04. Screen Mute (Command2:d) G To control Power On/Off of the Monitor. G To select screen mute on/off. Transmission Transmission [k][a][ ][Set ID][ ][Data][Cr] [k][d][ ][Set ID][ ][Data][Cr] Data 0 : Power Off 1 : Power On Data 0 : Screen mute off (Picture on)
  • Page 11 All manuals and user guides at all-guides.com EXTERNAL CONTROL DEVICE SETUP 08. Brightness (Command2:h) 13. Remote Control Lock Mode (Command2:m) G To adjust screen brightness. G To lock the remote control and the front panel controls on You can also adjust brightness in the Picture menu. the monitor.
  • Page 12 All manuals and user guides at all-guides.com EXTERNAL CONTROL DEVICE SETUP 17. PIP Position (Command2:q) 21. Color Temperature (Command2:u) G To adjust color temperature. G To select sub picture position for PIP. You can also adjust the sub picture position using You can also adjust ACC in the Sound menu.
  • Page 13 All manuals and user guides at all-guides.com EXTERNAL CONTROL DEVICE SETUP 25. PIP Input Select (Command2:y) 29. Orbiter Time Setting (Command2:r) G To adjust orbiter operation time term. G To select input source for sub picture in PIP mode. Transmission Transmission [k][y][ ][Set ID][ ][Data][Cr] [j][r][ ][Set ID][ ][Data][Cr]...

  • Page 14: Ir Code(Nec Format)

    All manuals and user guides at all-guides.com IR Code(NEC Format) How to Connect How to Connect G Connect your wired remote control to the Remote port on the Monitor. Remote Control IR Code (NEC Format) Remote Control IR Code (NEC Format) G Output waveform Single pulse, modulated with 37.917KHz signal at 455KHz Carrier frequency...
  • Page 15 All manuals and user guides at all-guides.com IR Code(NEC Format) Code (Hexa) Function Note UP ( R/C Button DOWN ( R/C Button VOL+ ( R/C Button VOL- ( R/C Button POWER ON/OFF R/C Button (Power On/Off) POWER ON Discrete IR Code (Only Power On) POWER OFF Discrete IR Code (Only Power Off) MUTE...

  • Page 16: Adjustment Instruction

    All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 1. Application Object 3-2 Connection Diagram for Measuring Refer to Fig 1. These instructions are applied to all of the PDP monitor/TV with Tuner Box, RF-03GA. P805 P805 P805 2. Notes (1) Because this is not a hot chassis, it is not necessary to use RV401 RV401...
  • Page 17 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS White : 255 Gray level (2) Press POWER ON KEY on the Adjustment R/C and select (8) Press Vol. + key and operate To SET for Pr-offset RGB Cut. adjustment. (3) Press Vol. + key and operate TO SET(Black). (9) Original Half Red(127 level) screen will be presented (4) Original Half Black/White(255 Gray) screen will be about 5~10 seconds later and the OK indication appears.
  • Page 18 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 5. Adjustment of White Balance 6. DDC Data Input 5-1. Required Equipment 6-1. Required Test Equipment Color analyzer (CA-100 or similar product) (1) A jig for adjusting PC, DDC. (PC serial to D-sub. Connection equipment) 5-2.

  • Page 19: Block Diagram

    All manuals and user guides at all-guides.com BLOCK DIAGRAM - 19 -...
  • Page 20 All manuals and user guides at all-guides.com BLOCK DIAGRAM BLOCK DIAGRAM - 20 -...
  • Page 21 All manuals and user guides at all-guides.com NOTES - 21 -...

  • Page 22: Exploded View

    All manuals and user guides at all-guides.com EXPLODED VIEW - 22 -...

  • Page 23: Exploded View Parts List

    6871QZH030B PCB ASSEMBLY,DISPLAY ZSUS ASSY 42SD5(YZ SEPARATE) 4980V00240A SUPPORTER,VERTICAL EGI FD-42X3 4980V00240B SUPPORTER,SUPPORTER VERTICAL EGI MN-42PZ10 3091V00516A CABINET ASSEMBLY,MZ-42PZ90 NON NON LG BRAND DARK SILVER 3091V00516G CABINET ASSEMBLY *42PZ90XV(LGEUS) 4980V00266A SUPPORTER ASSY,NON FILTER TOP MN-42PZ10 4980V00267A SUPPORTER ASSY,NON FILTER BOTTOM...

  • Page 24: Replacement Parts List

    All manuals and user guides at all-guides.com 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 : 2004.4.7 in the P/No.
  • Page 25 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION Q416 0TR387500AA CHIP 2SC3875S(ALY) KEC D857 0DD226239AA CHIP KDS226 SOT23 Q417 0TR150400BA CHIP 2SA1504S(ASY) KEC D870 0DD226239AA CHIP KDS226 SOT23 Q418 0TR387500AA CHIP 2SC3875S(ALY) KEC...
  • Page 26 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 100UF MVG 16V M 220000PF 2012 16V 10% C030 0CE107SF6DC C1505 0CK224DF56A C031 0CE105SK6DC 1UF MVG 50V M C1506 0CK224DF56A 220000PF 2012 16V 10% C034 0CE476SF6DC...
  • Page 27 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C785 0CE476SF6DC 47UF MVG 16V M “ 380-068E JACK,PHONE UEJ-CV-018 *42PZ90XV C786 0CE107SF6DC 100UF MVG 16V M P102 6612J00010A JACK,RCA PPJ128A1 A/V 2P MONO C787 0CE107SF6DC 100UF MVG 16V M...
  • Page 28 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION AR462 0RRZVTA001D 22 OHM 1 / 16 W 1608 5% R SW002 140-315A SWITCH,TACT SKHV17910B 12V AR463 0RRZVTA001D 22 OHM 1 / 16 W 1608 5% R SW003 140-315A SWITCH,TACT SKHV17910B 12V...
  • Page 29 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION L907 6210VC0006A FILTER,EMC FBMH3216 HM501NT L908 6210VC0006A FILTER,EMC FBMH3216 HM501NT L909 6210VC0006A FILTER,EMC FBMH3216 HM501NT FILTER,EMC FBMH3216 HM501NT L910 6210VC0006A L911 6210VC0006A FILTER,EMC FBMH3216 HM501NT...
  • Page 30 All manuals and user guides at all-guides.com April, 2004 P/NO : 3828VD0129T Printed in Korea CANADA: LG Electronics Canada, Inc. 550 Matheson Boulevard East Mississauga, Ontario L4Z 4G3 : LG Customer Interactive Center P.O.Box 240007, 201 James Record Road Huntsville,...
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  • Page 36 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD MAIN(TOP) MAIN(BOTTOM) AV(TOP) AV FIX(TOP) SPEAKER (TOP) POWER SWITCH AV FIX(BOTTOM) SPEAKER (BOTTOM) AV(BOTTOM) CONTROL(TOP) CONTROL(BOTTOM)

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