LG RZ-42PX10 Service Manual
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LG RZ-42PX10 Service Manual

LG RZ-42PX10 Service Manual

Chassis : rf-043b
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PLASMA TV
SERVICE MANUAL
CHASSIS : RF-043B
MODEL : RZ-42PX10/11
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 RZ-42PX10

  • Page 1 PLASMA TV SERVICE MANUAL CHASSIS : RF-043B MODEL : RZ-42PX10/11 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 .................... 13 ADJUSTMENT INSTRUCTIONS ..............15 TROUBLE SHOOTING GUIDE ................18 BLOCK DIAGRAM .....................29 EXPLODED VIEW ....................32 EXPLODED VIEW PARTS LIST ................33 REPLACEMENT PARTS LIST................34 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 - 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 - 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. Remote Control Sensor Memorizes menu changes.
  • Page 6 <Back Panel> COMPONENT AUDIO RS-232C INPUT DVI INPUT AUDIO INPUT RGB INPUT Antenna AC INPUT REMOTE (MONO) CONTROL (CONTROL/SERVICE) S-VIDEO VIDEO AUDIO 1. REMOTE CONTROL 5. ANTENNA INPUT 2. RS-232C INPUT(CONTROL/SERVICE) PORT 6. EURO SCART SOCKET Connect to the RS-232C port on a PC. Connect the euro scart socket of the VCR to these sockets.
  • Page 7 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 COMPONENT AUDIO RS-232C INPUT DVI INPUT AUDIO INPUT RGB INPUT Antenna AC INPUT (MONO) (CONTROL/SERVICE) S-VIDEO...
  • 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. COMPONENT AUDIO 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 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 31.500 60.00 37.799 70.00 852x480 39.375...
  • Page 12 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 D-sub 15 pin cable Power Cord DVI-D Cable 2-Wall brackets...

  • Page 13: Specifications

    42 inch wide Color Display Module Aspect Ratio 16:9 PDP Module PDP42V6xxxx, RGB Closed Type Maker : NBK / Mitsui / LG Chemical Screen Filter 45% Total light transmittance (E- Mesh) Operating Environment 1) Temp : 0~40 deg 2) Humidity : 0~85%...
  • Page 14 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 :...

  • Page 15: Adjustment Instructions

    3) After finishing inputs, click the button [OK] to complete the connection setup. The spec sheet is applied all of the 42”PDP TV, RF-043B chassis by manufacturing LG TV Plant or sort plants. (2) Confirming the G-prove 1) Connect Rs232 cable and then turn on the power.
  • Page 16 3-2. HDCP download (1) Test Equipment : D.M.M 1EA (1) Setting up & Confirming the G-prove (2) Connection Diagram for Measuring : refer to 3-1-(1) and 3-1-(2) : refer to fig5 (2) HDCP download method (3) Adjustment Method 1) Click [Command -> NVRAM Write] 1) Adjustment method of P/No 3501V00180A B/D 2) When the window of [NVRAM Write] is showed, select 1.
  • Page 17 Baud Rate Data bit Stop bit Parity signal to VIDEO input. 115200 NONE (RZ-42PX10 : AV4 INPUT 50Hz ,RT-42PX10 : AV2 INPUT 50Hz) Index Cmd1 Cmd2 Data Min Value Max Value (refer to Fig6) 3) To adjust, stick sensor to 216 Gray Level Pattern, press...

  • Page 18: 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 19 1-2. Sony Power Board Structure T502: Vs Trans T702: Va Trans T101: St-by Trans T103: Low Voltage Trans - 19 -...
  • Page 20 1-3. Sanken Power Board Structure T221: Vs Trans T271: Va Trans T121: St-by Trans T201: Low Voltage Trans - 20 -...
  • Page 21 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 22 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 23 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 24 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 25 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 26 (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 27 (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 28 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 29: Block Diagram

    BLOCK DIAGRAM BLOCK DIAGRAM - 29 -...
  • Page 30 - 30 -...
  • Page 31 MEMO - 31 -...

  • Page 32: Exploded View

    EXPLODED VIEW - 32 -...

  • Page 33: Exploded View Parts List

    FILTER(MECH), GLASS FILTER MN42PZ44 1142G03EK 42KK NBK ETCHING MESH 3809V00444B BACK COVER ASSEMBLY, RZ-42PX10 SKD 3301V00025F PLATE ASSEMBLY, ASSY VSC TUNER COVER RZ-42PX10 SKD 3301V00023G PLATE ASSEMBLY, ASSY AV VSC TUNER RZ-42PX10 SKD 4980V01071B SUPPORTER, ASSY AL VERTICAL RZ-42PX10 SKD...

  • Page 34: Replacement Parts List

    CHIP 2SC3875S(ALY) KEC 0IMCRTI003A IC402 SN74HCT08D NSTRUMENT 16P QUADRUPLE Q304 0TR387500AA CHIP 2SC3875S(ALY) KEC 0ICTMLG018A IC500 LGDT4410 LG IC 176P QFP TRAY IEP CHIP 2SC3875S(ALY) KEC Q305 0TR387500AA IC500 0IMCRMN023A SDA6001 QH B12 128P MQFP TRAY MICOM Q306 0TR387500AA CHIP 2SC3875S(ALY) KEC...
  • Page 35 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 36 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 37 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 L1310 6210VC0006A FBMH3216 HM501NT3.2X1.6X1.6MM FBMH3216 HM501NT3.2X1.6X1.6MM L1311 6210VC0006A SWITCH 6210VC0006A FBMH3216 HM501NT3.2X1.6X1.6MM L1312 SW001 140-315A TACT, SKHV17910B LG C&D NON 12V L1313 6210VC0006A FBMH3216 HM501NT3.2X1.6X1.6MM SW002 140-315A TACT, SKHV17910B LG C&D NON 12V L1314 6210VC0006A FBMH3216 HM501NT3.2X1.6X1.6MM SW003 140-315A TACT, SKHV17910B LG C&D NON 12V...
  • Page 39 6210VC0005A BK2125 HS 7502X1.25X0.85MM ACCESSORIES L307 6210VC0005A BK2125 HS 7502X1.25X0.85MM L308 6210VC0006A FBMH3216 HM501NT3.2X1.6X1.6MM 3828VA0468F MANUAL,OWNERS RF043B PX10/2 LG MLB-201209-1000L-N2 1000OHM 350MA L309 6200JB8010L 6710V00126R REMOTE CONTROLLER, PIP RZ-42PY20 40 L310 6200JB8010L MLB-201209-1000L-N2 1000OHM 350MA 6410VEH003C POWER CORD, M2511A-001 2800MM...
  • Page 45 PRINTED CIRCUIT BOARD MAIN (TOP) MAIN (BOTTOM ) POWER S/W(TOP) POWER S/W(BOTTOM) SIDE A/V(BOTTOM) SIDE A/V(TOP) CONTROL(TOP) TUNER(TOP) TUNER(BOTTOM) CONTROL(BOTTOM)
  • Page 46 March, 2004 P/NO : 3828VD0161D Printed in Korea...

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