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LG RT-42PY10X Service Manual

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PLASMA TV
SERVICE MANUAL
CHASSIS : RF-043B
MODEL : RT-42PY10X
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 RT-42PY10X

  • Page 1 PLASMA TV SERVICE MANUAL CHASSIS : RF-043B MODEL : RT-42PY10X CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ...................3 DESCRIPTION OF CONTROLS ................ 4 SPECIFICATIONS .................... 14 ADJUSTMENT INSTRUCTIONS ..............16 TROUBLE SHOOTING GUIDE ................21 BLOCK DIAGRAM .....................32 EXPLODED VIEW ....................34 EXPLODED VIEW PARTS LIST ................35 REPLACEMENT PARTS LIST................36 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

    PAUSE STOP RECORD Moves the sub picture to Adjusts menu settings. direction. Selects menu item. SKIP DVD BUTTONS Controls a LG DVD player. REVEAL WIN.SIZE WIN.POSITION SLEEP SLEEP VCR BUTTONS Sets the sleep timer. Controls a LG video cassette I/II recorder.
  • Page 5 - Shown is a simplified representation of the set. - Here shown may be somewhat different from your set. <Front Panel Controls> Remote Control Sensor Power Standby Indicator Illuminates red in standby mode, Illuminates green when the set is turned on ON/OFF TV/AV MENU...
  • Page 6 <Back Panel> AC INPUT Antenna COMPONENT MONITOR OUTPUT INPUT 2 DVI INPUT AUDIO INPUT RGB INPUT RS-232C INPUT REMOTE COMPONENT (CONTROL/SERVICE) CONTROL INPUT1 INPUT 1 S-VIDEO L/MOND VIDEO AUDIO AUDIO VIDEO 1. CONTROL LOCK / REMOTE CONTROL 6. ANTENNA INPUT 2.
  • Page 7 External Equipment V iewing Setups External Equipment V iewing Setups 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...
  • Page 8 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 < Back panel of the set > 1.
  • Page 9 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. Turn on the DVD player, and insert a DVD. 2.
  • Page 10 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; use a screen saver when possible. - Connect PC to the RGB INPUT(PC INPUT) or DVI INPUT(DIGITAL RGB INPUT) port of the set;...
  • Page 11 Displayable Monitor Specification Displayable Monitor Specification RGB / DVI mode Horizontal Vertical Resolution Frequency(KHz) Frequency(Hz) 31.468 70.09 640x350 37.861 85.08 31.469 70.08 720x400 37.927 85.03 31.469 59.94 35.000 66.66 640x480 37.861 72.80 37.500 75.00 43.269 85.00 31.500 60.00 848x480 37.799 70.00 39.375 75.00...
  • Page 12 Accessories Accessories CABLE AUDIO MODE FAVOURITE Q.VIEW PIP/DW TEXT/ MENU EXIT PIP PR- PIP INPUT PIP PR+ SWAP PLAY PAUSE STOP RECORD 1.5V SKIP REVEAL WIN.SIZE WIN.POSITION SLEEP I/II LIST SPLIT ZOOM Remote Control handset Owner’s Manual Alkaline batteries 2-TV bracket bolts 6-RING SPACER 2-TV brackets (Only RT-60PY10/11 series...
  • Page 13 Installation Options Installation Options • The set can be installed in different ways such as on a wall, or on a desktop etc. Desktop Pedestal Installation • The set can be mounted on a desk as shown above. (For further information, refer to the optional 'Desktop Stand Installation and Setup Guide'.) •...

  • Page 14: Specifications

    Aspect Ratio 16:9 PDP Module PDP42X1Axxx, 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...
  • Page 15 2. Model Specification Item Specification Remark Market Non-EU Broadcasting system PAL BG/I/DK, NTSC Receiving system Upper Heterodyne Video Input (2EA) PAL, SECAM, NTSC 4 System : PAL, SECAM, NTSC, PAL60 Video Output (1EA) PAL, SECAM, NTSC 4 System : PAL, SECAM, NTSC, PAL60 S-Video Input (2EA) PAL, SECAM, NTSC 4 System : PAL, SECAM, NTSC, PAL60...

  • Page 16: Adjustment Instructions

    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-043A Chassis. (3) Double-click on the ‘LGIDS’ icon on the desktop to execute the program.
  • Page 17 4-2. KEY Generation (Fig. 3) 4. HDCP Download (Fig. 5) 4-1. LGIDS Setting Method (1) Click on ‘setup’ to install in your directory. (1) Click on ‘Key Generation (G)’. (2) After installation is completed, check if the file shown on (2) Input the number of the key in Generation count.
  • Page 18 (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. 10) Abnormal State 4-3. HDCP Download Method (4) If abnormal state (Fig.
  • Page 19 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 20 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 21: 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 22 1-2. Sony Power Board Structure T502: Vs Trans T702: Va Trans T101: St-by Trans T103: Low Voltage Trans - 22 -...
  • Page 23 1-3. Sanken Power Board Structure T221: Vs Trans T271: Va Trans T121: St-by Trans T201: Low Voltage Trans - 23 -...
  • Page 24 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 25 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 follow Is normal the Power Is output the normality Low/High Replace Power...
  • Page 26 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? Board.
  • Page 27 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 Replace cable.
  • Page 28 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 29 (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 30 (7) In the case of becomes unusual display from RGB DTV mode Is normal the Input voltage, IIC Is normal the Replace IC Communication and HV sync? CXA2101? 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 31 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 IC800?

  • Page 32: Block Diagram

    BLOCK DIAGRAM BLOCK DIAGRAM - 32 -...
  • Page 33 - 33 -...

  • Page 34: Exploded View

    EXPLODED VIEW - 34 -...

  • Page 35: Exploded View Parts List

    4980V01064A SUPPORTER, ASSY AL FILTER BOTTOM DN-42PY10 4980V01066A SUPPORTER, ASSY AL FILTER SIDE L DN-42PY10 5230V00021C FILTER(MECH), DU-42PY10 LG-CHEMICAL FLATRON PLASMA DELETE LG FOR AMREICA 4980V01065A SUPPORTER, ASSY AL FILTER SIDE R DN-42PY10 3210V00249A FRAME, FRONT AL DN-42PY10 TOP 4972V00112A...

  • Page 36: Replacement Parts List

    BSS83 TP PHILIPS N-CHANNEL S/W TR 0ISTLSG009A IC403 M74HC123RM13TR 16P SOP Q111 0TR387500AA CHIP 2SC3875S(ALY) KEC IC500 0ICTMLG018A LGDP4410 LG IC 176P TQFP 0TR830009BA Q111 BSS83 TP PHILIPS N-CHANNEL S/W TR IC500 0IMCRMN023A SDA6001 QH B12 MICRONAS 128P MQFP Q112 0TR387500AA...
  • Page 37 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION Q217 0TR387500AA CHIP 2SC3875S(ALY) KEC D105 0DD184009AA KDS184S CHIP 85V 300MA KEC TP CHIP 2SC3875S(ALY) KEC CHIP KDS226 SOT-23 Q218 0TR387500AA D116 0DD226239AA 0TR387500AA CHIP 2SC3875S(ALY) KEC 0DD226239AA CHIP KDS226 SOT-23 Q219 D117 Q300...
  • Page 38 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 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 40 140-315A AR504 0RRZVTA001D 22 OHM 1 / 16 W 1608 5% R/TP 4P E24 SERIES SW700 140-313B TACT 2LEAD 160G(TA) LG C&D NON AR505 0RRZVTA001D 22 OHM 1 / 16 W 1608 5% R/TP 4P E24 SERIES SW800 6600VM2006A SDDF3PATP011 POSTEC UNIVERSAL 250V 4A...
  • Page 41 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION L104 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP L207 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP BK2125 HS 750 2X1.25X0.85MM R/TP L104 6210VC0006A L208 6210VC0005A 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP L105...
  • Page 42 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION X600 6202VDB007B HC49U 20.250MHZ 30PPM 13PF BK X600 6202VDT002J SX-1 13.500000MHZ +/- 50 PPM 14PF 6202VDB007B HC49U 20.250MHZ 30PPM 13PF BK X700 X700 6202VDT002B SX-1 SC14.3MHZ +/- 30 PPM 16PF TP X800 156-A02M HC49U 18.432MHZ 30PPM 10PF BK...
  • Page 47 INDEX...
  • Page 48 PRINTED CIRCUIT BOARD MAIN (BOTTOM ) MAIN (TOP) POWER S/W(TOP) POWER S/W(BOTTOM) SIDE A/V(TOP) SIDE A/V(BOTTOM) CONTROL(TOP) CONTROL(BOTTOM) CONTROL(TOP) TUNER(TOP) TUNER(BOTTOM) CONTROL(BOTTOM) INDEX(TOP) INDEX(BOTTOM)
  • Page 49 July, 2004 P/NO : 3828VD0161M Printed in Korea...

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