CANADA : http//biz.lgservice.com USA : http//www.lgservice.com : http//lgservice.com/techsup.html .ne t PLASMA TV SERVICE MANUAL jel CHASSIS : RF-043A MODEL : RU-42PX10/C RU-42PX11/H .w CAUTION htt p: //w ww BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in 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. Do not modify the original design without permission of manufacturer. .
TABLE OF CONTENTS DESCRIPTION OF CONTROLS ...........................................4 SPECIFICATIONS.................................................................7 ADJUSTMENT INSTRUCTIONS ..........................................8 t TROUBLE SHOOTING GUIDE ...........................................12 .ne BLOCK DIAGRAM...............................................................23 EXPLODED VIEW PARTS LIST .........................................27 .w REPLACEMENT PARTS LIST ....................
DESCRIPTION OF CONTROLS Controls t - This is a simplified representation of front panel. Here shown may be somewhat different from your TV. - This manual explains the features available on the RU-42PX10 TVs. //w ON/OFF ww .w jel .ne Front Panel Controls TV/VIDEO htt p: ON/OFF Button Remote Control Sensor MENU VOL MENU Button TV/VIDEO Button Power Standby Indicator Illuminates red in standby mode, Illuminates green when the TV is turned on.
DESCRIPTION OF CONTROLS t Connection Options .ne VIDEO Input Connects the video signal from a video device. jel L / MONO A/V INPUT2 VIDEO S-VIDEO S-VIDEO Input A connection available to provide better picture quality than the video input. .w R AUDIO AUDIO Input Use to connect to hear stereo sound from an external device. ww DVD/DTV Input (Component 1-2) Connect a component video/audio device to these jacks. Monitor Output Connect a second TV or Monitor.
DESCRIPTION OF CONTROLS Remote Control Key Functions - When using the remote control, aim it at the remote control sensor on the TV. TVVIDEO Selects: TV, Video 1-2, Component 1-2, RGB, and DVI input sources. POWER TV/VIDEO MULTIMEDIA MTS ENTER VOL VOL 1 3 5 6 8 FCR 9 PIP/DW Switches between PIP and Twin picture modes. htt p: SPLIT ZOOM Enlarges the picture with regular ration. NUMBER buttons REVIEW Tunes to the last channel viewed.
SPECIFICATIONS RU-42PX10/20 RU-50PX10/20 Width (inches / mm) 48.4 / 1210 56 / 1400 Height (inches / mm) 27.6 / 701 30.4 / 761.5 Depth (inches / mm) 11.4 / 290 11.4 / 290 Weight (pounds / kg) 66 / 22.9 66 / 29.9 Resolution 852 x 480 (Dot) 1366 x 768 (Dot) .
ADJUSTMENT INSTRUCTIONS (2) After installing the Gprobe, [Option -> Connection Setup] or click the icon indicated in the picture and then setup as below the picture. (In case of the port (second one), set to the serial port of the connected PC. The other only have to be set as below the picture.) (3) After finishing inputs, click the button [OK] to complete the connection setup. 1. Application Object These instructions apply to the RF-043A Chassis. 2. Specification 3-2. Confirming the G-prove .
ADJUSTMENT INSTRUCTIONS Each PCB assembly must be checked by check JIG set. (Because power PCB Assembly damages to PDP Module, especially be careful) t 5. POWER PCB Assy Voltage Adjustments (Va, Vs Voltage Adjustments) .ne 5-1. Test Equipment : D.M.M. 1EA 5-2. Connection Diagram for Measuring Refer to Fig 5. jel (Fig 3) 4. HDCP download 4-1. Setting up & Confirming the G-prove .w : Refer to 3-1 and 3-2. 4-2.
ADJUSTMENT INSTRUCTIONS (2) Supply Gray Pattern (216 Level Full Size Pattern) signal to VIDEO input. (AV2 Input 60Hz) (Refer to Fig. 6) (3) To adjust, stick sensor to 216 Gray Level Pattern, press ADJ key twice(White Balance) on remote control. For adjustment and D, E on reomte control for adjustment mode to select Red Gain and Blue Gain, press VOL +, Key and adjust it until color coordination becomes as below. 2) After turning RV401, voltage of D.M.
ADJUSTMENT INSTRUCTIONS 9. Auto Adjustment Map(RS-232C) 6) If Check Sum is not 53, repeat 3) ~ 4). 7) If Check Sum is 53, DDC data for Analog-RGB input is completed. RF-043A RS232 (2) DDC Data input for Digital-RGB(DVI) Stop bit Parity 115200 8 1 NONE Index Cmd1 Cmd2 Data Min Value Max Value R Gain j a 00(00) 255(FF) G Gain j b 00(00) 255(FF) Protocol B Gain Setting R Offset j c 00(00) 255(FF) j d 00(00) 255(FF) G Offset j e 00(00) 255(FF) B Offset j f 00(00) 255(FF) .
TROUBLE SHOOTING GUIDE 1. Power Board 1-1. The whole flowchart which it follows in voltage output state Doesn't the screen whole come out? Yes It is identical with Power Off condition? No Is the Interface signal operated? Yes 1. Check the Power Off condition. Doesn't the St-by 5V signal come out? Yes No Doesn't the VSC signal Vs-ON come out? htt p: High tension output voltage Drop it occurs? Yes 5. Check the VSC RL-ON signal.
TROUBLE SHOOTING GUIDE //w ww .w jel .ne t 1-2.
TROUBLE SHOOTING GUIDE //w ww .w jel .ne t 1-3.
TROUBLE SHOOTING GUIDE 2. No Power (1) Symptom ¯ Does’t minute discharge at module. Non does not come in into the front LED. .ne t ¯ (2) Check follow No Is plug in power cord? Plug in power cord. No Is connect the Line Filter and Power Switch Cable? Yes No Replace Fuse. //w Is normal the Fuse(F101) on Power Board? Connect Cable. ww Yes No .w Connect Cable.
TROUBLE SHOOTING GUIDE 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.
TROUBLE SHOOTING GUIDE 4. No Raster (1) Symptom Does’t minute discharge at module. It maintains the condition where the front LED is green.
TROUBLE SHOOTING GUIDE 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 .ne t ¯ (2) Check follow No Yes Is the LVDS cable connected well? Replace cable. jel Is normal the LVDS cable? Is normal the VSC Digital Board? No ww Cable inserts well. Yes .w No Operates the Thine Yes IC(IC1100)? Operates the IEP(IC500)? Replace Thine IC(IC1100).
TROUBLE SHOOTING GUIDE 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). Check the all input mode should become normality display. Check the Video(Main)/Data(Sub), Video(Main)/Video(Sub) should become normality display from the PIP mode or DW mode.
TROUBLE SHOOTING GUIDE (5) In the case of becomes unusual display from RF, AV, Component 480i mode Is normal the VPC3230? No Is normal the Input voltage, IIC Communication and HV sync? No Is normal the Input voltage, IIC Communication and HV sync? No Is normal the Input voltage, IIC Communication and HV sync? No Replace IC Yes t Replace IC Yes No Replace IC jel Is normal the Scaler? .
TROUBLE SHOOTING GUIDE (7) In the case of becomes unusual display from RGB DTV mode Is normal the CXA2101? No Is normal the Input voltage, IIC Communication and HV sync? No Is normal the Input voltage, IIC Communication and HV sync? No Is normal the Input voltage, IIC Communication and HV sync? No Replace IC Yes Replace IC t No Yes No Replace IC jel Is normal the Scaler? .ne Is normal the M52758? Is normal the M52758? No .
TROUBLE SHOOTING GUIDE 6. In case of no sound (1) Symptom ¯ LED is green Screen display but sound is not output t ¯ Is normal the SPK cable? No Yes Is the SPK cable connected well? Replace SPK cable Cable inserts well. No Is the Flat cable connected well? Operates the IC800? No Cable inserts well. Replace IC800 //w Yes No htt p: Is normal the RF/AV/Component sound? Yes ww No .w Is normal the RGB/DVI sound? jel No Yes .
- 23 - Co mp _Y YCin4 Vin4 TU_Sub Text _V Main_YC Main_V RGB_Dat a SDA6001 Text Processor HYV641620 SRAM DVI_Dat a AM29LV160 F-ROM t 10 24 ZHINE Po s-t p ro c es sing Blo c k is o m it t ed . so-c alled JEPICO, in this c ase TMDS TX is also req uired . So und Pro c es sing Blo c k Diag ram is sep arat ed . . RCA-t yp e Blo c k Diag ram is also sep arat ed . . AM29LV F-ROM (1MB ) .
IIS Co m p 1 - 24 - Sid e S-VHS Side-CVBS Sid e A/ V RF S-VHS CVBS OUT CVBS IN ( DVD/ DTV) Co m p 2 ( DVD/ DT V) Y/ CIN2 VIN2 Tuner ( S) Tuner ( M) Y/ CIN1 MNT_OUT VIN1 Co mp 2 Co mp 24LC21 24LC21 CXA2069Q 74HCT08 ST3232C 74ACT253 MAIN_YOUT MAIN_VOUT MAIN_COUT CAB_VIN DTV2_Co mp LA7151M DVD2_MAIN DVD_MAIN DTV_Co mp DAC_RGB M37136 ( OTP) RGB_24Bit SVPORT ( 16b it) g m1501H SUB_COUT SUB_YOUT DVD2_SUB DVD_SUB ALT_Y2_480I_SUB S656 8 Bit M62320FP ( I2C Exp end er)
//w htt p: t .ne jel .
EXPLODED VIEW 300 121 600 601 t 301 .ne 305 304 jel 120 .
EXPLODED VIEW PARTS LIST No. Part No. 120 6401VD0013H SPEAKER ASSEMBLY,FULL RANGE(L) 121 6401VD0013G SPEAKER ASSEMBLY,FULL RANGE(R) 200 6348Q-E058T PDP,42 16:9 852*480 PDP42V60000.
REPLACEMENT PARTS LIST LOCA. NO CC, CX, CK, CN : Ceramic CQ : Polyestor CE : Electrolytic PART NO RD : Carbon Film RS : Metal Oxide Film RN : Metal Film RF : Fusible RUN DATE : 2004.6.11 DESCRIPTION LOCA. NO IC IC100 0IMMRAL014B IC100 0IMI623200B IC1000 0IMCRFA010A KA7809R 2P IC1001 0IPRPML001A MIC39100 3P SOT223 IC1002 0IMCRSH001A PQ05DZ1U SHARP 5 IC1003 0ITK118100B IC1004 0IMCRSH001A PQ05DZ1U SHARP 5 IC101 0IMMRAL014B AT24C02N 10SI 2.
REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA.
REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA.
REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA.
REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA.
REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA.
REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA.
REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO 6200JB8010L FILTER,EMC MLB 201209 1000L X1100 6212AB2015B RESONATOR,CRYSTAL HC 49/SM5H 20MHZ X500 6202VDT002D RESONATOR,CRYSTAL SX 1SMD 8.0MHZ X600 6202VDT002J RESONATOR,CRYSTAL SX 1 13.500000MHZ X600 6202VDB007B RESONATOR,CRYSTAL HC49U 20.250MHZ X700 6202VDT002B RESONATOR,CRYSTAL SX 1 SC14.3MHZ X700 6202VDB007B RESONATOR,CRYSTAL HC49U 20.250MHZ X800 156-A02M RESONATOR,CRYSTAL HC49U 18.
t .ne jel .w ww //w htt p: P/NO : 3828VD0179D CANADA: LG Electronics Canada, Inc. 550 Matheson Boulevard East Mississauga, Ontario L4Z 4G3 USA : LG Electronics Alabama, Inc. P.O.Box 240007, 201 James Record Road Bldg 3 Huntsville, AL 35824 Sep.
//w htt p: t .ne jel .
//w htt p: t .ne jel .
//w htt p: t .ne jel .
//w htt p: t .ne jel .
MAIN (TOP) //w htt p: t .ne jel .
PRINTED CIRCUIT BOARD MAIN (BOTTOM ) POWER S/W(TOP) //w TUNER(BOTTOM) htt p: TUNER(TOP) ww .w jel .
