LG RZ-50PX10 Service Manual
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LG RZ-50PX10 Service Manual

LG RZ-50PX10 Service Manual

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PLASMA TV
SERVICE MANUAL
CHASSIS : RF-043B
MODEL : RZ-50PX10
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-50PX10

  • Page 1 PLASMA TV SERVICE MANUAL CHASSIS : RF-043B MODEL : RZ-50PX10 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 ................20 BLOCK DIAGRAM .....................31 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

    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 60.00 77.487 85.00 1280x768 60.091 75.00 1152x870 68.681 75.06 (XGA) 68.504 85.00 47.693 60.00 60.023 60.02 60.091 75.00 1280x960 (RGB) 1280x768 63.981 60.02 68.504 85.00 1280x1024 (RGB) 60.023 60.02 1280x960 RZ-42PX10/11/12X/20/21 series 63.981 60.02 1280x1024 RZ-50PX10/11/20/21 series - 11 -...
  • Page 12 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 D-sub 15 pin cable (Optional) Power Cord DVI Cable (Optional)

  • Page 13: Specifications

    Aspect Ratio 16:9 PDP Module PDP50X2xxxx, 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 14 2. Model Specification Item Specification Remark Market Broadcasting system PAL BG/I/DK, SECAM L/L’ Receiving system Upper Heterodyne Scart Jack (3EA) PAL, SECAM 4 System : PAL, SECAM, NTSC, PAL60 Video Input (2EA) PAL, SECAM, NTSC 4 System : PAL, SECAM, NTSC, PAL60 S-Video Input (2EA) PAL, SECAM, NTSC 4 System : PAL, SECAM, NTSC, PAL60...

  • Page 15: 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-043B Chassis. (3) Double-click on the ‘LGIDS’ icon on the desktop to execute the program.
  • Page 16 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 17 (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 18 5-4. Adjustment Method for 6. DDC Data Input P/No. 3501V00188A 50”SONY 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 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

    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 21 1-2. Sony Power Board Structure T502: Vs Trans T702: Va Trans T101: St-by Trans T103: Low Voltage Trans - 21 -...
  • Page 22 1-3. Sanken Power Board Structure T221: Vs Trans T271: Va Trans T121: St-by Trans T201: Low Voltage Trans - 22 -...
  • Page 23 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 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 25 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 26 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 27 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 (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 29 (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 30 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 31: Block Diagram

    BLOCK DIAGRAM BLOCK DIAGRAM - 31 -...
  • Page 32 - 32 -...
  • Page 33 MEMO - 33 -...

  • Page 34: Exploded View

    EXPLODED VIEW - 34 -...

  • Page 35: Exploded View Parts List

    BRACKET ASSEMBLY, SIDE AV RZ-42PX10 6871VSMABNA 6871VSMABNA PWB(PCB) ASSEMBLY,SUB CONT RF043B 50 LOCAL KEY B/D 3501V00187A 3501V00187A BOARD ASSEMBLY, POWER RZ-50PX10 RF043B SANKEN 1H211W1 PDP 50 PSU H/C 6871VSMG27A 6871VSMG27B PWB(PCB) ASSEMBLY,SUB CONT RF043B SUB RF043A FAN CTRL - 35 -...

  • Page 36: Replacement Parts List

    0TR387500AA IC403 0ISTLSG009A M74HC123RM13TR SGS-THOMSON 16P SOP 0TR150400BA CHIP 2SA1504S(ASY) KEC Q209 IC500 0ICTMLG018A LGDP4410 LG IC 176P TQFP TRAY IEP Q210 0TR387500AA CHIP 2SC3875S(ALY) KEC 0IMCRMN023A IC500 SDA6001 QH B12 MICRONAS 128P MQFP Q211 0TR104009AF CHIP KRC104S SOT-23 TP KEC...
  • 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 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 0RKZVTA001L RESISTOR SWITCH AR500 0RRZVTA001D 22 OHM 1 / 16 W 1608 5% SW001 140-315A TACT SKHV17910B LG C&D NON 12V AR501 0RRZVTA001D 22 OHM 1 / 16 W 1608 5% SW002 140-315A TACT SKHV17910B LG C&D NON 12V 0RRZVTA001D...
  • Page 41 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION L1304 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP L310 6200JB8010L MLB-201209-1000L-N2 R/TP 1000OHM 350MA FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP MLB-201209-1000L-N2 R/TP 1000OHM 350MA L1305 6210VC0006A L311 6200JB8010L 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP 6200JB8010L MLB-201209-1000L-N2 R/TP 1000OHM 350MA L1307 L312...
  • Page 42 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION ACCESSORIES 3828VA0468R MANUAL,OWNERS, LG EN/GE/CZ/SK/HU/PL/RU 126R 6710V00126Y REMOTE CONTROLLER, RF043B PIP 6410VEH003C POWER CORD, M2511A-001 VDE/SEMKO 2800MM 6850J00004A CABLE,DVI LVDS UL20276 AWG30 500MM 6850VA0004J CABLE,COAXIAL UL1365#26 150MM UCA-EX-069 4810V00509B BRACKET, WALL AP-60DA10...
  • 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) FAN CONTROL(TOP) TUNER(TOP) TUNER(BOTTOM) FAN CONTROL(BOTTOM)
  • Page 49 Nov., 2004 P/NO : 3828VD0161G Printed in Korea...

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