LG RT-42PX11 Service Manual
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LG RT-42PX11 Service Manual

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PLASMA TV
SERVICE MANUAL
CHASSIS : RF-043B
MODEL : RT-42PX11
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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  • Page 1 All manuals and user guides at all-guides.com website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html PLASMA TV SERVICE MANUAL CHASSIS : RF-043B MODEL : RT-42PX11 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 .................... 13 ADJUSTMENT INSTRUCTIONS ..............15 TROUBLE SHOOTING GUIDE ................20 BLOCK DIAGRAM .....................31 EXPLODED VIEW ....................34 EXPLODED VIEW PARTS LIST ................35 REPLACEMENT PARTS LIST................36 SCHEMATIC DIAGRAM ..................

  • Page 3: Safety Precautions

    All manuals and user guides at all-guides.com 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

    All manuals and user guides at all-guides.com DESCRIPTION OF CONTROLS - When using the remote control aim it at the remote control sensor of the set. - There's maybe a defect in consecutive operation of remote control in specified brightness according to this set feature. MUTE POWER Switches the sound on or off.
  • Page 5 All manuals and user guides at all-guides.com - Shown is a simplified representation of the set. - Here shown may be somewhat different from your set. <Front Panel Controls> ON/OFF TV/AV MENU TV/AV MENU Main Power Button MENU Displays on screen menus one by one. Exits the current menu.
  • Page 6 All manuals and user guides at all-guides.com <Back Panel> AC INPUT Antenna COMPONENT MONITOR INPUT 2 OUTPUT RS-232C INPUT DVI INPUT AUDIO INPUT RGB INPUT REMOTE COMPONENT CONTROL (CONTROL/SERVICE) INPUT1 INPUT 1 S-VIDEO L/MOND VIDEO AUDIO AUDIO VIDEO 1. CONTROL LOCK / REMOTE CONTROL 6.
  • Page 7 All manuals and user guides at all-guides.com Antenna Connection - Be careful for the bronze wire not to be bended in connecting to antenna input port. Apartments (connecting to wall antenna socket) wall antenna socket VIDEO AUDIO AUDIO VIDEO L/MOND AC INPUT Antenna COMPONENT...
  • Page 8 All manuals and user guides at all-guides.com Watching Cable TV - After subscribing for a local cable TV station and installing a converter you can watch cable TV. - For further information of cable TV, contact the local cable TV station. To watch cable TV <...
  • Page 9 All manuals and user guides at all-guides.com Watching DVD How to connect < Back panel of the set > Connect DVD video outputs to Y, P of COMPO- NENT INPUT and audio outputs to Audio sockets of AUDIO INPUT. How to use 1.
  • Page 10 All manuals and user guides at all-guides.com Connecting PC - To enjoy vivid picture and sound, connect a PC to the set. - Avoid keeping a fixed image on the set’s screen for a long period of time. The fixed image may become permanently imprinted on the screen;...
  • Page 11 All manuals and user guides at all-guides.com 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...
  • Page 12 All manuals and user guides at all-guides.com Accessories Accessories MUTE POWER TV/AV MULTIMEDIA I/II LIST MENU SPLIT ZOOM PIP/DW SLEEP REVEAL PIP PR+ TEXT/ 1.5V WIN. SIZE PIP PR- POSITION SWAP TIME HOLD PIP INPUT INDEX Remote Control handset 2-TV bracket bolts Owner’s Manual Alkaline batteries 2-TV brackets...

  • Page 13: Specifications

    Aspect Ratio 16:9 PDP Module PDP42V6xxxx,RGB Closed Type Screen Filter 45% Total light transmittance (E- Mesh) Maker : NBK / Mitsui / LG Chemical Operating Environment 1) Temp : 0~40 deg 2) Humidity : 0~85% LGE SPEC Storage Environment 1) Temp : -20~60 deg...
  • Page 14 All manuals and user guides at all-guides.com 2. Model Specification (1) RZ-42PX10 Remark Item Specification Market Broadcasting PAL B/G/I/D/K, SECAM L/L Receiving system Upper Heterodyne Scart Jack ( 3EA ) PAL, SECAM 4 System : Video Input(2EA) PAL, SECAM, NTSC PAL B/G/I/D/K, SECAM L, NTSC4.43,PAL60 4 System : S-Video Input(2EA)

  • Page 15: Adjustment Instructions

    All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 1. Application Object (2) select ‘Create Shortcut’ from the menu with the left mouse button and move the shortcut icon onto the desktop. These instructions apply to the RF-043B Chassis. (3) Double-click on the ‘LGIDS’ icon on the desktop to execute the program.
  • Page 16 All manuals and user guides at all-guides.com 4-2. KEY Generation (Fig. 3) 4. HDCP Download 4-1. LGIDS Setting Method (1) Click on ‘setup’ to install in your directory. (Fig. 5) (2) After installation is completed, check if the file shown on (Fig.
  • Page 17 All manuals and user guides at all-guides.com (6) It is possible to check how many Generations are created at this point. (Fig. 7) shows that you have created 130 Generations and you will start from 131 next time. (Fig. 7) (Fig.
  • Page 18 All manuals and user guides at all-guides.com 5-4. Adjustment Method for 6. DDC Data Input P/No. 3501V00182A B/D 6-1. Required Test Equipment (1) A jig for adjusting PC, DDC (PC serial to D-sub (1) Va Adjustment Connection equipment) 1) After receiving 100% Full White Pattern, HEAT RUN. (2) S/W for writing DDC (EDID Data Write &...
  • Page 19 All manuals and user guides at all-guides.com 7. Adjustment of White Balance 8-2. Method of Auto RGB Color Balance (1) Input RGB Source : Component 480p/576p 16 Gray Scale 7-1. Required Equipment Pattern At this time, except Pb and Pr signal, only Y signal insert. Color Analyzer (CA-100 or same product) (2) Press ADJ KEY on R/C for adjustment.

  • Page 20: 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 It is identical Is the Interface screen whole come with Power Off signal operated? out? condition?
  • Page 21 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 - 21 -...
  • Page 22 All manuals and user guides at all-guides.com 1-3. Sanken Power Board Structure T221: Vs Trans T271: Va Trans T121: St-by Trans T201: Low Voltage Trans - 22 -...
  • Page 23 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 follow Is plug in power cord? Plug in power cord. Is connect the Line Filter and Power Connect Cable.
  • Page 24 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 25 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 follow Is normal the Power Is output the normality Low/High Replace Power Board? voltage except Stand-by 5V?
  • Page 26 All manuals and user guides at all-guides.com 5. In case of occur strange screen into specific mode 5-1. In case of does’t 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...
  • Page 27 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 follow Check the all input mode should become normality display.
  • Page 28 All manuals and user guides at all-guides.com (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?
  • Page 29 All manuals and user guides at all-guides.com (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?
  • Page 30 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 follow Is normal the SPK Is the SPK cable Replace SPK cable cable? connected well? Cable inserts well.

  • Page 31: Block Diagram

    All manuals and user guides at all-guides.com BLOCK DIAGRAM BLOCK DIAGRAM - 31 -...
  • Page 32 All manuals and user guides at all-guides.com - 32 -...
  • Page 33 All manuals and user guides at all-guides.com MEMO - 33 -...

  • Page 34: Exploded View

    All manuals and user guides at all-guides.com EXPLODED VIEW - 34 -...

  • Page 35: Exploded View Parts List

    All manuals and user guides at all-guides.com EXPLODED VIEW PARTS LIST Part No. Description 6401VD0013H SPEAKER ASSEMBLY, FULL RANGE(L) RZ-42PX10 6401VD0013G SPEAKER ASSEMBLY, FULL RANGE(R) RZ-42PX10 6348Q-E061Z PDP, 42” 16:9 852*480 PDP42V60011.AKLGG 6871QCH046B PWB(PCB) ASSEMBLY,DISPLAY CTRL ASSY HAND INSERT 42V6A ASIC 4023 100PIN FPGA 6871QDH066A PWB(PCB) ASSEMBLY,DISPLAY YDRV ASSY HAND INSERT 42V6 YDRV TOP HAND INSERT ASSY 6871QDH067A...

  • Page 36: Replacement Parts List

    0TR387500AA CHIP 2SC3875S(ALY) KEC 0IMCRTI003A IC402 SN74HCT08D 16P R/TP QUADRUPLE 0TR387500AA CHIP 2SC3875S(ALY) KEC Q219 IC500 0ICTMLG018A LGDP4410 LG IC 176P TQFP Q300 0TR387500AA CHIP 2SC3875S(ALY) KEC IC500 0IMCRMN023A SDA6001 QH B12 MICRONAS 128P MQFP Q301 0TR387500AA CHIP 2SC3875S(ALY) KEC...
  • Page 37 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 38 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 39 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 40 SWITCH L1314 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP 140-315A L1315 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP SW001 TACT SKHV17910B LG C&D 12V FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP SW002 140-315A TACT SKHV17910B LG C&D 12V L1316 6210VC0006A SW003 140-315A TACT SKHV17910B LG C&D 12V...
  • Page 41 FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP ACCESSORIES 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP L301 L302 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP 3828VA0468A MANUAL,OWNERS LG EN 126R TX L303 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP 6710V00126R REMOTE CONTROLLER,PIP RZ-42PY20 40 . L304 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP...
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  • Page 46 All manuals and user guides at all-guides.com...
  • Page 47 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD MAIN (BOTTOM ) MAIN (TOP) POWER S/W(TOP) POWER S/W(BOTTOM) SIDE A/V(TOP) SIDE A/V(BOTTOM) TUNER(TOP) TUNER(BOTTOM) CONTROL(TOP) CONTROL(BOTTOM)
  • Page 48 All manuals and user guides at all-guides.com Sep., 2004 P/NO : 3828VD0161Z Printed in Korea...

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