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LG 42PM1M Service Manual
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LG 42PM1M Service Manual

LG 42PM1M Service Manual

Chassis: rf-052a
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All manuals and user guides at all-guides.com

PLASMA MONITOR

SERVICE MANUAL

CHASSIS : RF-052A
MODEL : 42PM1M
42PM1M-TA
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html

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Summary of Contents for LG 42PM1M

  • Page 1: Plasma Monitor

    All manuals and user guides at all-guides.com website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html PLASMA MONITOR SERVICE MANUAL CHASSIS : RF-052A MODEL : 42PM1M 42PM1M-TA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com CONTENTS SAFETY PRECAUTIONS ..................3 DESCRIPTION OF CONTROLS ................4 SPECIFICATIONS ....................8 ADJUSTMENT INSTRUCTIONS ...............10 TROUBLE SHOOTING GUIDE ................15 PRINTED CIRCUIT BOARD ................24 BLOCK DIAGRAM .....................26 EXPLODED VIEW....................28 EXPLODED VIEW PARTS LIST ................29 REPLACEMENT PARTS LIST................30 SCHEMATIC DIAGRAM..................

  • Page 3: Safety Precautions

    All manuals and user guides at all-guides.com SAFETY PRECAUTIONS IMPORTANT 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

    All manuals and user guides at all-guides.com DESCRIPTION OF CONTROLS MUTE POWER MUTE POWER switches the sound on or off. switches the set on from standby or off to standby. INPUT MULTIMEDIA I/II MULTIMEDIA selects the Component, RGB or DVI I/II (option) modes.
  • Page 5 All manuals and user guides at all-guides.com <Front Panel Controls> ON/OFF ON/OFF 1. Main Power Button 5. MENU Displays on screen menus one by one. 2. Remote Control Sensor Exits the current menu. Memorizes menu changes. 3. Power Standby Indicator Illuminates red in standby mode, Illuminates green when the set is turned on Selects a menu option.
  • Page 6 All manuals and user guides at all-guides.com <Back Panel> AUDIO COMPONENT INPUT 2 MONITOR OUPUT REMOTE RGB OUTPUT CONTROL COMPONENT INPUT 1 A/V INPUT AC INPUT (MONO) (MONO) RS-232C INPUT HDMI/ EXTERNAL SPEAKER AUDIO INPUT RGB INPUT VARIABLE AUDIO OUT (CONTROL/SERVICE) DVI(VIDEO) VIDEO...
  • Page 7 All manuals and user guides at all-guides.com MUTE POWER INPUT MULTIMEDIA I/II LIST/ MENU SPLIT ZOOM TEXT/ SLEEP REVEAL MODE SIZE UPDATE Q.VIEW TIME HOLD INDEX Owner’s Manual Remote Control handset 1.5V Alkaline batteries Power Cord Optional Extras - Optional extras can be changed or modified for quality improvement without any notification new optional extras can be added.

  • Page 8: Specifications

    1) Performance : LGE TV test method followed. 2) Demanded other specification Safety: CE, IEC specification EMC : CE, IEC Model Name Market Remark 42PM1M-TA Non-EU Safety : IEC/EN60065, EMI : CISPR13 General Specification 1. Module Specification Item Specification Remark...
  • Page 9 RGB Input RGB-PC, RGB-DTV RGB Output RGB-PC, RGB-DTV HDMI Input(1EA) HDMI-PC, HDMI-DTV Audio Input(5EA) PC Audio, Component(2EA), 42PM1M, 42PM1MA, 50PM1M, 50PM1MA AV(1EA), S-audio(1EA) 42PM3MV, 42PM3MVA Audio Input(1EA) PC Audio 42PM1MB, 50PM1MB, 42PM3MVB Audio Output(3EA) AV(1EA), External audio out(1EA), 42PM1M, 42PM1MA, 50PM1M, 50PM1MA,...

  • Page 10: Adjustment Instructions

    All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 1. Application Object 3-2. Channel memory Method 1) Select “PDP” and “Hurricane” on Model dialog. And check These instructions is applied all of the 42” PDP TV, RF-052A your connection in Communication dialog. (If your Chassis.

  • Page 11: Adjustment Method

    All manuals and user guides at all-guides.com 5-2. Setting of device Each PCB assembly must be checked by check JIG set. (Because power PCB Assembly damages to PDP Module, especially be careful) 4. POWER PCB Assy Voltage Adjustments (Va, Vs Voltage Adjustments) 4-1.
  • Page 12 All manuals and user guides at all-guides.com 7. Adjustment of White Balance 7-1. Required Equipment 1) Remote controller for adjustment 2) Color Analyzer (CA-100 or same product) 3) Auto W/B adjustment instrument(only for Auto adjustment) 4) AV Pattern Generator 7-2. Connecting diagram of equipment for measuring (For Auto Adjustment) COLOR ANALYZER...
  • Page 13 All manuals and user guides at all-guides.com 6) Stick sensor to center of the screen and select each items (Red/Green/Blue Gain and offset) using (CH +/-) key on R/C. 7) Adjust Only High Light with R Gain/ B Gain using (VOL+/-) key on R/C.
  • Page 14 All manuals and user guides at all-guides.com 10. Default value in adjustment mode 10-1. Auto Color Balance (Component/RGB) Auto Color Balance(HEX) Auto-RGB To Set Source Cortez Offset1 Green Offset1 Blue Offset1 Offset2 Green Offset2 Blue Offset2 Gain Green Gain Blue Gain Reset To Set...

  • Page 15: Trouble Shooting Guide

    All manuals and user guides at all-guides.com TROUBLE SHOOTING GUIDE 1. Power Board 1-1. The whole flowchart which it follows in voltage output state Start check Doesn't the Is it identical Is the Interface screen whole come with Power Off signal operated? out? condition?
  • Page 16 All manuals and user guides at all-guides.com 1-2. Sony Power Board Structure T502: Vs Trans T702: Va Trans T101: St-by Trans T103: Low Voltage Trans - 16 -...
  • Page 17 All manuals and user guides at all-guides.com 1-3. Sanken, LGIT Power Board Structure T221: Vs Trans T271: Va Trans T121: St-by Trans T201: Low Voltage Trans - 17 -...
  • Page 18 All manuals and user guides at all-guides.com 2. No Power (1) Symptom Does’t minute discharge at module. ¯ Non does not come in into the front LED. ¯ (2) Check following Is plug in power cord? Plug in power cord. Is the Line Filter and Power Connect the Cable.
  • Page 19 All manuals and user guides at all-guides.com 3. Protect Mode (1) Symptom After once shining, it does not discharge minutely ¯ from module The Rely falls(The sound is audible “click”) ¯ It is converted with the color where the front LED ¯...
  • Page 20 All manuals and user guides at all-guides.com 4. No Raster (1) Symptom Does’t minute discharge at module. ¯ It maintains the condition where the front LED is green. ¯ (2) Check following Is the Power Board Is output the normality Low/High Replace the normal? voltage except Stand-by 5V?
  • Page 21 All manuals and user guides at all-guides.com 5. In case of occurring strange screen into specific mode 5-1. In case the OSD does not displayed (1) Symptom LED is green ¯ The minute discharged continuously becomes ¯ accomplished from module (2) Check following Is the LVDS cable Is the LVDS cable...
  • Page 22 All manuals and user guides at all-guides.com 5-2. In case of does’t 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 following Check the all input mode should become normality display.
  • Page 23 All manuals and user guides at all-guides.com 6. In case of no sound (1) Symptom LED is green ¯ Screen display but sound is not output ¯ (2) Check following Is the SPK cable Is the SPK cable Replace SPK cable normal? connected well? Cable inserts well.

  • Page 24: Printed Circuit Board

    All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD MAIN(TOP) MAIN(BOTTOM) - 24 -...
  • Page 25 All manuals and user guides at all-guides.com RCA(TOP) RCA(BOTTOM) CONTROL POWER SWITCH - 25 -...

  • Page 26: Block Diagram

    All manuals and user guides at all-guides.com BLOCK DIAGRAM - 26 -...
  • Page 27 All manuals and user guides at all-guides.com - 27 -...

  • Page 28: Exploded View

    All manuals and user guides at all-guides.com EXPLODED VIEW - 28 -...

  • Page 29: Exploded View Parts List

    All manuals and user guides at all-guides.com EXPLODED VIEW PARTS LIST Part No. Descriptions 5900V06008B FAN,DC G6015S12B2-RG DONGYANG 60*60*15 7V 1900RPM 6/12V L=500MM 5900V12006C FAN,DC B1232S12B2-AA DONGYANG 120*120*32 12V 7.8CFM 950RPM DC9-14V 4980V00D43B SUPPORTER, FAN SECC(EGI) MZ-42PM10 PRESS 4980V00E47A SUPPORTER, FAN SECC(EGI) SUPP.BLOWER FAN 6348Q-E074Z PDP, 42”...

  • Page 30: Replacement Parts List

    KDS226 TP KEC IC802 0IMP242560A 24LC256-I/SM 8P,SOP TP 256K KDS226 TP KEC D1110 0DD226239AA 6927V1295AA IC900 2.00V 9CB2 PDP RF052A 42PM1M D1200 0DD184009AA KDS184 TP KEC - 85V - 300MA IC901 0IMMR00002A K4D261638F-LC50,LF TSOPII 66P D1500 0DD226239AA KDS226 TP KEC...
  • Page 31 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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 6210VC0005A BK2125 HS 750 2X1.25X0.85MM R/TP SWITCH L116 6210VC0005A BK2125 HS 750 2X1.25X0.85MM R/TP SW102 140-313B TACT 2LEAD 160G(TA) LG C&D 5V 0.001A L119 6200JB8010L MLB-201209-1000L-N2 1000OHM 350MA TACT 2LEAD 160G(TA) LG C&D 5V 0.001A 6200JB8010L MLB-201209-1000L-N2 1000OHM 350MA SW103...
  • Page 34 JK400 6612JH003CA PPJ137A AUDIO L-MONO JACK JK502 6612F00006F KJA-PH-3-0064 KSD 3.5PHI 14P DUALJACK ACCESSORIES 3828VA0544A MANUAL,OWNERS LG EN 138D TX 6710V00138L REMOTE CONTROLLER,W/O EYE MT-42PM15X 6410VEH003C POWER CORD,M2511A-001 VDE/SEMKO 2800MM 366-017A PIN,DRAWING SUB STAPLE NO.10 D0.3 L1 . MISCELLANEOUS 6850J00005A...
  • Page 35 All manuals and user guides at all-guides.com...
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  • Page 38 All manuals and user guides at all-guides.com...
  • Page 39 All manuals and user guides at all-guides.com Jun., 2005 P/NO : 3828VD0223D Printed in Korea...

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