LG MT-42PM10 Service Manual
LG MT-42PM10 Service Manual

LG MT-42PM10 Service Manual

Plasma monitor
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PLASMA MONITOR

SERVICE MANUAL

CHASSIS : RF-04GA
MODEL : MT-42PM10/B/HB
MODEL :
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
MT-42PM11/R
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html

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Summary of Contents for LG MT-42PM10

  • Page 1: Plasma Monitor

    PLASMA MONITOR SERVICE MANUAL CHASSIS : RF-04GA MODEL : MT-42PM10/B/HB MODEL : MT-42PM11/R CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
  • Page 2: Table Of Contents

    CONTENTS CONTENTS ......................2 SAFETY PRECAUTIONS ..................3 ADJUSTMENT INSTRUCTIONS ................4 SPECIFICATIONS ....................10 ADJUSTMENT INSTRUCTIONS ................13 TROUBLE SHOOTING GUIDE ................15 BLOCK DIAGRAM ....................26 EXPLODED VIEW ....................28 EXPLODED VIEW PARTS LIST ................29 REPLACEMENT PARTS LIST................30 SCHEMATIC DIAGRAM ................... PRINTED CIRCUIT BOARD ..................- 2 -...
  • Page 3: Safety Precautions

    SAFETY PRECAUTIONS IMPORT ANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
  • Page 4: Description Of Controls

    SWAP WIN.SIZE Adjusts the sub picture size. SWAP SCAN- PLAY SCAN+ Alternates between main and sub pic- ture. SKIP- STOP SKIP+ POSITION Moves the sub picture to PAUSE POWER DVD BUTTONS direction. controls a LG DVD player. - 4 -...
  • Page 5 - Shown is a simplified representation of the set. - Here shown may be somewhat different from your set. <Front Panel Controls> MT/MZ-42/50PM10 series ON/OFF MT/MZ-42/50PM20 series ON/OFF 1. Main Power Button 5. MENU Displays on screen menus one by one. 2.
  • Page 6: Back Panel

    <Back Panel> AUDIO INPUT RS-232C INPUT REMOTE DVI INPUT AUDIO INPUT RGB INPUT RGB OUTPUT AC INPUT (CONTROL/SERVICE) CONTROL AUDIO (MONO) EXTERNAL SPEAKER COMPONENT INPUT AUDIO INPUT S-VIDEO AUDIO INPUT VIDEO INPUT Connection to PC Connection to AV equipment - 6 -...
  • Page 7 <Back Panel> RCA Type AUDIO INPUT REMOTE RS-232C INPUT DVI INPUT AUDIO INPUT RGB INPUT RGB OUTPUT AC INPUT (CONTROL/SERVICE) CONTROL AUDIO (MONO) EXTERNAL SPEAKER COMPONENT INPUT AUDIO INPUT S-VIDEO AUDIO INPUT VIDEO INPUT Scart Type RS-232C INPUT REMOTE DVI INPUT AUDIO INPUT RGB INPUT RGB OUTPUT...
  • Page 8 Displayable Monitor Specification Displayable Monitor Specification RGB / DVI mode RGB / DVI mode Horizontal Vertical Horizontal Vertical Resolution Resolution Frequency(KHz) Frequency(Hz) Frequency(KHz) Frequency(Hz) 31.468 70.09 31.468 70.09 640x350 640x350 37.861 85.08 37.861 85.08 31.469 70.08 31.469 70.08 720x400 720x400 37.927 85.03 37.927...
  • Page 9 Accessories Accessories MUTE POWER PIP INPUT MULTIMEDIA INPUT SELECT EXIT MENU SPLIT ZOOM PIP/DW SLEEP WIN. SIZE POSITION SWAP 1.5V SCAN- PLAY SCAN+ SKIP- STOP SKIP+ PAUSE POWER Alkaline batteries OwnerÕs Manual Remote Control handset Power Cord Optional Extras Optional extras can be changed or modified for quality improvement without any notification new optional extras can be added.
  • Page 10 This spec is sheet is applide to the 42Ó,50Ó PDP TV used RF-04GA chassis. Brand Chassis Model Name Market Place MZ-42PM10 MZ-42PM12X MZ-50PM10 MZ-50PM20 RF-04GA MT-42PM10 MT-42PM20 MT-42PM12X Non-EU MT-50PM10 MT-50PM20 Specification Each part is tested as below without special appointment. 1) Temperature : 25¡ 5 ¡C ( 77¡ 9 ¡ F ) 2) Relative Humidity: 65¡...
  • Page 11 Aspect Ratio 16:9 PDP Module PDP42V6000 Screen Filter 45% Total light transmittance (E- Mesh) Maker : NBK / Mitsui / LG Chemical Operating Environment 1) Temp : 0~40 deg LGE SPEC 2) Humidity : 0~85% Storage Environment 1) Temp : -20~60 deg...
  • Page 12 DVI Input (1EA ) DVI-PC/DTV DVI-D Audio Input (4EA ) PC Audio, Component,S-VHS, CVBS L/R Input Wired Control Discrete IR 2. MT-42PM10 / 42PM20 / 42PM12X / 50PM10 / 50PM20 Item Specification Remark Market Non-EU Scart Jack (2EA ) PAL, SECAM, NTSC 4 System : PAL, B/G/I/D/K, SECAM L/, NTSC4.43, PAL60...
  • Page 13: Adjustment Instructions

    1. Application Object Vs ADJ This spec sjeet os applied all of the 42Ó, 50Ó, RF-04GA VR551 chassis bymanufacturing LG TV Plant or sort plant. P806 2. Specification (1) Because this is not a hot chassis, it is not necessary to use an isolation transformer.
  • Page 14: Required Test Equipment

    Adjustment of White Balance 5. DDC Data Input 5-1. Required Test Equipment (1) Required Equipment Color Analyzer( CA-100 or same product) (1) A jig for adjusting PC, DDC (PC serial to D-sub (2) Connecting diagram of equipment for measuring. Connection equipment) (2) S/W for writing DDC (EDID Data Write &...
  • Page 15: Trouble Shooting Guide

    TROUBLE SHOOTING GUIDE 1. Power Board 1-1. The whole flowchart which it follows in voltage output state Start check Doesn't the It is identical Is the Interface screen whole come with Power Off signal operated? out? condition? 1. Check the Power Off 2.
  • Page 16 1-2. Sony Power Board Structure T502: Vs Trans T702: Va Trans T101: St-by Trans T103: Low Voltage Trans - 16 -...
  • Page 17 1-3. Sanken Power Board Structure T221: Vs Trans T271: Va Trans T121: St-by Trans T201: Low Voltage Trans - 17 -...
  • Page 18: No Power

    2. No Power (1) Symptom DoesÕt minute discharge at module. ¯ Non does not come in into the front LED. ¯ (2) Check follow Is plug in power cord? Plug in power cord. Is connect the Line Filter and Power Connect Cable.
  • Page 19: Protect Mode

    3. Protect Mode (1) Symptom After once shining, it does not discharge minutely ¯ from module The Rely falls(The sound is audible ÒclickÓ) ¯ It is converted with the color where the front LED ¯ is red from green. (2) Check follow Is normal the Power Is output the normality Low/High Replace Power...
  • Page 20 4. No Raster (1) Symptom DoesÕt minute discharge at module. ¯ It maintains the condition where the front LED is green. ¯ (2) Check follow Is normal the Power Is output the normality Low/High Replace Power Board? voltage except Stand-by 5V? Board.
  • Page 21 5. In case of occur strange screen into specific mode 5-1. In case of doesÕt display the OSD (1) Symptom LED is green ¯ The minute discharge continuously becomes ¯ accomplished from module (2) Check follow Is normal the LVDS Is the LVDS cable Replace cable.
  • Page 22 5-2. In case of doesÕt display the screen into specific mode (1) Symptom The screen does not become the display from specific input mode ¯ (RF, AV, Component, RGB, DVI). (2) Check follow Check the all input mode should become normality display. ¯...
  • Page 23 (5) In the case of becomes unusual display from RF, AV, Component 480i mode Is normal the Input voltage, IIC Is normal the Replace IC Communication and HV sync? VPC3230? Is normal the Input voltage, IIC Is normal the S2300? Replace IC Communication and HV sync? Is normal the Input voltage, IIC...
  • Page 24 (7) In the case of becomes unusual display from RGB DTV mode Is normal the Is normal the Input voltage, IIC Replace IC CXA2101? Communication and HV sync? Is normal the Is normal the Input voltage, IIC Replace IC M52758? Communication and HV sync? Is normal the Input voltage, IIC Is normal the Scaler?
  • Page 25 6. In case of no sound (1) Symptom LED is green ¯ Screen display but sound is not output ¯ (2) Check follow Is normal the SPK Is the SPK cable Replace SPK cable cable? connected well? Cable inserts well. Is normal the Is the Flat cable Operates the IC501?
  • Page 26: Block Diagram

    BLOCK DIAGRAM - 26 -...
  • Page 27 BLOCK DIAGRAM - 27 -...
  • Page 28: Exploded View

    EXPLODED VIEW - 28 -...
  • Page 29: Exploded View Parts List

    5020V01009C BUTTON, POWER MZ-42PM10B/HB ABS, AF-303S 1KEY 6871VSMAAVA PWB(PCB) ASSEMBLY,SUB A/V RF04GA FIX B/D 3501V00202A BOARD ASSEMBLY, POWER RT-42PY10X RF043B YPSU-J005A LG INNOTEK 42 PSU 6871VSMAATA PWB(PCB) ASSEMBLY,SUB, A/V RF04GA RCA NTSC 4980V00C71B SUPPORTER, AV INTERFACE EGI - 29 -...
  • Page 30: Replacement Parts List

    BSS83 TP PHILIPS N-CHANNEL S/W TR Q200 IC101 0IMMRAL014B AT24C02N-10SI-2.7 ATMEL 8P SOIC Q201 0TR830009BA BSS83 TP PHILIPS N-CHANNEL S/W TR IC1100 0ICTMLG018A LGDP4410 LG IC 176P TQFP Q300 0TR387500AA CHIP 2SC3875S(ALY) KEC 0IMCRTH002A THC63LVD103 64P TQFP IC1200 Q301 0TR387500AA CHIP 2SC3875S(ALY) KEC...
  • Page 31 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 32 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 33 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 34 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM L1421 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM SWITCH L1422 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM SW001 140-313B TACT 2LEAD 160G(TA) LG C&D L1423 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM SW002 140-313B TACT 2LEAD 160G(TA) LG C&D L1424 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM SW003 140-313B TACT 2LEAD 160G(TA) LG C&D...
  • Page 35 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION ACCESSORIES 3828VA0513E MANUAL,OWNERS RU/EN 138D TX 026H 6710V00138D REMOTE CONTROLLER, RF04GA MZ-42PM10 40 6410VEH003C POWER CORD, M2511A-001 VDE/SEMKO 2800MM 6612VMV002B JACK,DRAWING UCT-EX-031 UGCOM BNC 6850J00004A CABLE,DVI LVDS UL20276 AWG30 500MM MISCELLANEOUS F801 0FS1002B53K...
  • Page 41 PRINTED CIRCUIT BOARD MAIN (TOP) MAIN (BOTTOM ) A/V FIX B/D(TOP) A/V FIX B/D(TOP) A/V RCA PAL(BOTTOM) A/V RCA PAL(TOP) POWER S/W(TOP) POWER S/W(BOTTOM) CONTROL(TOP) CONTROL(BOTTOM)
  • Page 42 Feb., 2005 P/NO : 3828VD0198F Printed in Korea...

This manual is also suitable for:

Mt-42pm10bMt-42pm10hbMt-42pm11Mt-42pm11r

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