Related Manuals for LG 42PX2RV
Summary of Contents for LG 42PX2RV
- Page 1 PLASMA TV SERVICE MANUAL CHASSIS : MF-056A MODEL : 42PX2RV 42PX2RV-TA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
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Page 2: Table Of Contents
CONTENTS SAFETY PRECAUTIONS ..................3 DESCRIPTION OF CONTROLS ................4 SPECIFICATIONS ....................8 ADJUSTMENT INSTRUCTIONS ...............10 TROUBLE SHOOTING GUIDE ................14 BLOCK DIAGRAM .....................23 EXPLODED VIEW ....................24 EXPLODED VIEW PARTS LIST ................25 REPLACEMENT PARTS LIST................26 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
DESCRIPTION OF CONTROLS MUTE POWER Switches the sound on or off. switches the set on from standby or off to standby. MULTIMEDIA MUTE POWER Selects the Component, RGB or I/II HDMI modes. Selects the language during dual lan- switches the set on from standby. guage broadcast. - Page 5 <Front Panel> ON/OFF TV/AV MENU Main Power Button MENU Displays on screen menus one by one. Remote Control Sensor Exits the current menu. Memorizes menu changes. Power Standby Indicator (Programme Up/Down) TV/AV Button Illuminates red in standby selects a programme or a menu item. Selects the TV, AV, Component, mode, Illuminates green switches the set on from standby.
- Page 6 <Back Panel> A/V 2 A/V 2 AC INPUT VIDEO VIDEO AUDIO AUDIO VIDEO VIDEO AUDIO AUDIO Antenna HDMI/ COMPONENT COMPONENT INPUT INPUT 2 2 MONIT MONITOR OUTPUT OR OUTPUT RGB INPUT AUDIO INPUT DVI(VIDEO) AUDIO AUDIO V V ARIABLE ARIABLE AUDIO OUT AUDIO OUT REMOTE RS-232C INPUT...
- Page 7 Accessories MUTE POWER TV/AV MULTIMEDIA I/II LIST MENU PIP/DW SLEEP REVEAL PIP PR+ TEXT/ WIN. SIZE PIP PR- POSITION SWAP TIME HOLD PIP INPUT INDEX Remote Control handset Owner’s Manual 2-Eye Bolts 1.5V Power Cord Alkaline batteries 2-Wall brackets Fixing the set assembly to the wall to protect the set tumbling - Secure the set assembly by fixing it to a wall by using the Eye Bolts/Wall brackets.
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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 42PX2RV-TA Non-EU Safety : IEC60065, EMI : CISPR13 General Specification 1. Module Specification Item Specification Remark... - Page 9 2. Model Specification Item Specification Remark Market Non-EU Broadcasting system PAL B/G/I/D/K, NTSC BAND NTSC Available Channel VHF/UHF C1~C69 2~83 CATV S1~S47 1~71 Receiving system Upper Heterodyne Video Input (2EA) PAL, SECAM, NTSC 4 System : PAL, SECAM, NTSC,PAL60 PAL, SECAM, NTSC Video Output (1EA) 4 System : PAL, SECAM, NTSC,PAL60 S-Video Input (2EA)
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Page 10: Adjustment Instructions
ADJUSTMENT INSTRUCTIONS 1. Application Object 3-2. Channel memory Method 1) Select “PDP” and “Hurricane” on Model dialog. And check These instructions apply to the MF-056A Chassis. your connection in Communication dialog. (If your connection is ‘NG’, then set your PORT(COM1,2,3,...) 2. -
Page 11: Adjustment Method
2) Connect RS-232C cable and turn on the power. (Use the 5. EDID (The Extended Display special Cable For Sub-program) (If your connection has Identification Data)/ DDC (Display completed, you can see “Ready”) Data Channel) download 5-1. Required Test Equipment 1) Adjusting PC with S/W for writing EDID Data.(S/W : EDID TESTER Ver.2.5) 2) A Jig for EDID Download... - Page 12 6. Auto AV(CVBS) Color Balance Auto adjustment Map(RS-232C) Type MF-056A : RT-42PX40/ RZ-42PX40 6-1. Required - This AV color balance adjustment should be performed befor Baud Rate Data bit Stop bit Parity white Balance Adjustment 115200 NONE 6-2. Required Equipment Index Cmd1 Cmd2 Data Min Value...
- Page 13 8. Auto Component Color Balance 9. Default Value in Adjustment mode 8-1. Required Test Equipment 9-1. Auto Color Balance (Component/RGB) 1) Remote controller for adjustment 2) 802F Pattern Generator Auto Color Balance(Hex) (Which has 720p Ypbpr output & PC 1024x768 60Hz with Standard(0.7Vpp) Vertical 100% Color Bar Pattern as Fig.8) Auto-RGB To Set...
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Page 14: Trouble Shooting Guide
TROUBLE SHOOTING GUIDE 1. Power Board 1-1. The whole flowchart which it follows in voltage output state Start check Is it identical Doesn't the Is the Interface screen whole come with Power Off signal operated? out? condition? 1. Check the Power Off 2. - Page 15 1-2. Sony Power Board Structure T502: Vs Trans T702: Va Trans T101: St-by Trans T103: Low Voltage Trans - 15 -...
- Page 16 1-3. Sanken, LG INNOTEK Power Board Structure T221: Vs Trans T271: Va Trans T121: St-by Trans T201: Low Voltage Trans - 16 -...
- Page 17 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. Board Cable connected? Is the Fuse(F101) on Replace the Fuse.
- Page 18 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 ¯ is red from green. (2) Check following Is the Power Board Is output the normality Low/High Replace Power...
- Page 19 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? Power Board.
- Page 20 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 Replace the cable.
- Page 21 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 22 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. Is the RF/ AV/ Does IC400 Does IC401...
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Page 23: Block Diagram
BLOCK DIAGRAM - 23 -... -
Page 24: Exploded View
EXPLODED VIEW - 24 -... -
Page 25: Exploded View Parts List
4980V01069D SUPPORTER, ASSY AL FILTER RIGHT DN-42PX12X 7T 4980V01070D SUPPORTER, ASSY AL FILTER LEFT DN-42PX12X 7T 5230V00019B FILTER(MECH), RT-42PX10 FG401PAA-05 LG CHEMICAL GLASS FILTER MECH 3809V00605A BACK COVER ASSEMBLY, CHASSIS CHANGE 3809V00605E BACK COVER ASSEMBLY, CHASSIS CHANGE WARNING LABEL LGEAP... -
Page 26: Replacement Parts List
REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION Q101 0TR387500AA 2SC3875S(ALY) BK KEC Q102 0TR102008AA KRA102S R/TP KEC SOT23 TR IC1000 0IPRPML001A MIC39100 MICREL 3P SOT223 R/TP Q102 0TR387500AA 2SC3875S(ALY) BK KEC IC1001 0IMCRRH001A BA033FP-E2 ROHM 3P-SOP,TO252-3 2SC3875S(ALY) BK KEC Q1200 0TR387500AA... - Page 27 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 28 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 29 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 30 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION L1024 6200J000013 MLB-321611-0500P-N2 R/TP 500 OHM L416 6200J000013 MLB-321611-0500P-N2 R/TP 500 OHM MLB-321611-0500P-N2 R/TP 500 OHM L1025 6200J000013 L417 6200J000013 MLB-321611-0500P-N2 R/TP 500 OHM 6200JB8010L MLB-201209-1000L-N2 R/TP 1000OHM 6200J000013 MLB-321611-0500P-N2 R/TP 500 OHM L103 L500 L109...
- Page 34 PRINTED CIRCUIT BOARD MAIN (TOP) MAIN (BOTTOM ) POWER SWITCH(TOP) POWER SWITCH(BOTTOM) SIDE A/V(TOP) SIDE A/V(BOTTOM) CONTROL(TOP) CONTROL(BOTTOM)
- Page 35 Jun., 2005 P/NO : 3828VD0209V Printed in Korea...