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PLASMA TV

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : RF-043A

MODEL : RU-42PZ61 RU-42PZ71

CANADA : http//biz.lgservice.com
USA : http//www.lgservice.com

: http//lgservice.com/techsup.html

Содержание RU-42PZ61

Страница 1: ... MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS RF 043A MODEL RU 42PZ61 RU 42PZ71 CANADA http biz lgservice com USA http www lgservice com http lgservice com techsup html ...

Страница 2: ...ngs Place the AC switch in the on positioin connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path to the chassis the measured resistance should be between 1MΩ and 5 2MΩ When the exposed metal has no return path to the chassis the...

Страница 3: ...LS 4 SPECIFICATIONS 7 ADJUSTMENT INSTRUCTIONS 8 TROUBLE SHOOTING GUIDE 12 BLOCK DIAGRAM 23 EXPLODED VIEW 26 28 EXPLODED VIEW PARTS LIST 27 29 REPLACEMENT PARTS LIST 30 SCHEMATIC DIAGRAM PRINTED CIRCUIT BOARD TABLE OF CONTENTS ...

Страница 4: ...ront Panel Controls 1 ON OFF Button 2 S VIDEO Input A connection available to provide better picture quality than the video input 3 VIDEO Input Connects the video signal from a video device 4 AUDIO Input Use to connect to hear stereo sound from an external device 5 INDEX Switches LED Display on or off 6 Remote Control Sensor 7 Power Standby Indicator Illuminates red in standby mode Illuminates gre...

Страница 5: ...eaker s For further information refer to Speaker Speaker Stand manual RS 232C INPUT CONTROL SER VICE PORT Connect to the RS 232C port on a PC DVD DTV Input Component 1 2 Connect a component video audio device to these jacks Audio Video Input 1 Connect audio video output from an external device to these jacks Monitor Output Connect a second TV or Monitor S Video Input Connect S Video out from an S ...

Страница 6: ...n or off depending on mode MUTE Switches the sound on or off DASP Selects the sound appropriate for the pro gram s character EXIT Clears all on screen displays and returns to TV viewing from any menu REVIEW Tunes to the last channel viewed THUMBSTICK Up Down Left Right ENTER Allows you to navigate the on screen menus and adjust the system settings to your preference CHANNEL UP DOWN Selects availab...

Страница 7: ...ution Power requirement Television System Program Coverage External Antenna Impedance Color Operating Temperature Range Operating Humidity Range Maximum Elevation 49 6 1260 28 5 724 8 11 3 287 96 7 43 84 RU 60PZ61 56 5 1436 36 913 2 3 9 98 6 172 3 78 15 1366 x 768 Dot 1024 x 768 Dot 852 x 480 Dot RU 42PZ61 RU 42PZ71 MODEL RU 50PZ61 4 7 120 30 7 779 4 3 9 98 2 5 7 2 57 Width inches mm Height inches...

Страница 8: ...nel memory 3 1 Setting up the LGIDS 1 Install the LGIDS idsinst exe After installation has completed check if the file shown in Fig 1 has been created 2 Right click on LGIDS and select Create Shortcut Then move the shortcut icon onto the desktop 3 Double click on the LGIDS icon on the desktop to execute the program 3 2 Channel memory Method 1 Check if Malibu has been selected on Model 2 Check if C...

Страница 9: ...15200 4 2 KEY Generation 1 Click on Key Generation G 2 Input the number of the key in Generation count ex If 100 Keys are required then just register 100 and next time it will automatically get 101 3 Input file When installing the program for the first time you must find the original KEY that you copied and open it It is crucial that you copy the original KEY into this directory When you use Gener...

Страница 10: ...efer to Fig 11 5 3 Adjustment Method for P No 3501V00180A B D 1 Va Adjustment 1 After receiving 100 Full White Pattern HEAT RUN 2 Connect terminal of D M M to Va pin of P805 connect terminal to GND pin of P805 3 Turn RV501 to adjust the Va voltage to match the value marked on the label on the right top of the panel Deviation 0 5V 2 Vs Adjustment 1 Connect terminal of D M M to Vs pin of P805 connec...

Страница 11: ... jig on 2 Put S W for writing DDC EDID data Write Read into operation operated in DOS mode 6 4 Sequence of Adjustment 1 DDC Data Input for Analog RGB 1 Put the set on the table and turn the power on 2 Connect PC Serial to D sub 15P Cable of jig for DDC adjustment to RGB terminal D Sub 15Pin 3 Operate S W for DDC record and select DDC data for Analog RGB in Model Menu 4 Operate EDID Write command 5...

Страница 12: ... Pattern Equipment MSP3240A or similar product 16 Gray Scale Pattern output Component output Level 0 7Vp p 8 2 Method of Auto RGB Color Balance 1 Input RGB Source Component 480p 576p 16 Gray Scale Pattern At this time only connect the Y signal not Pb and Pr 2 Press ADJ KEY on the S R C 3 Press Vol KEY and operate To set 4 Auto RGB OK means completed adjustment 9 Auto RGB Color Balance 9 1 Required...

Страница 13: ...gh tension output come out Doesn t the VSC signal Vs ON come out Yes Yes High tension output voltage Drop it occurs When remove the Y B D Module Input Connector output voltage Drop it occurs When remove the Y Z B D Module Input Connector Power Board high tension output voltage Drop it occurs Yes No No 9 Check the Power Board Output high tension circuit Yes 10 Check the Z B D Module Coutput circuit...

Страница 14: ... 14 TROUBLE SHOOTING GUIDE 1 2 3510V00182A Power Board Structure T502 Vs Trans T702 Va Trans T101 St by Trans T103 Low Voltage Trans 1 2 3 ...

Страница 15: ... 15 TROUBLE SHOOTING GUIDE 1 3 3501V00180A Power Board Structure T221 Vs Trans T271 Va Trans T121 St by Trans T201 Low Voltage Trans 1 2 3 ...

Страница 16: ...n power cord Yes No Cable connecting the Line Filter and Power Switch connected Connect Cable Yes No Is the Power Switch connected to Power Board Connect Cable Yes No Is Fuse F101 on Power Board good Replace Fuse Yes No Is the Power Board connected to 7P of VSC Board Connect Cable Yes No When ST BY 5V does not operate replace Power Board ...

Страница 17: ...Check Fuse F52 on Y B D In case of open replace fuse Yes No Yes Yes Replace Z Board Is the Z Board good Is the output voltage good after removing P1 connector of Z B D Check Fuse FS1 FS2 on Z B D In case of open replace fuse Yes No Yes Is the X Board good Is the output voltage good after removing P1 2 3 4 6 7 connector of X B D After removing P1 P2 P3 P4 output voltage normal Replace Right X B D A...

Страница 18: ...n case of open replace fuse Yes No Yes Yes Replace Z Board Is the Z Board good Is the output voltage good after removing P1 connector of Z B D Check Fuse FS1 FS2 on Z B D In case of open replace fuse Yes No Yes Is the X Board good Is the output voltage good after removing P1 2 3 4 6 7 connector of X B D After removing P1 P2 P3 P4 output voltage normal Replace Right X B D After removing P6 P7 outpu...

Страница 19: ...e 2 Check follow Check the LVDS cable Is the VSC Digital Board good Is the LVDS cable connected well Reset cable Yes No No Yes Operates the Thine IC IC1100 Replace Thine IC IC1100 No Is the Ctrl Board good Replace Ctrl B D No No Check IEP IC500 Replace IEP IC500 Yes No Check Scaler IC700 Replace VSC Digital B D Replace Scaler IC700 Yes Yes No Replace cable Yes ...

Страница 20: ...y in RF mode 4 Abnormal display in AV mode Is the Tuner normal Is IC400 Switch CXA2069Q good Is the Tuner Cable connected well Reset cable Yes No No Yes Is the Video Decoder VPC3230 good Replace Tuner No Are the Input voltage IIC Comm and CVBS outputs good Yes Are the Input voltage IIC Comm and HV sync good No Replace IC400 No Are the Input voltage IIC Comm and HV sync good No Replace IC No Is IC4...

Страница 21: ...m and HV sync good No Replace IC No Yes Is Scaler good Are the Input voltage IIC Comm and HV sync good No Replace IC No Is normal the 74LS123 Yes Is IC401 CXA2101 good Are the Input voltage IIC Comm and HV sync good No Replace IC No Are the Input voltage IIC Comm and HV sync good No Replace IC401 No Yes Is normal the M52758 Are the Input voltage IIC Comm and HV sync good No Replace IC No Yes Is Sc...

Страница 22: ...place IC No Are the Input voltage IIC Comm and HV sync good No Replace IC No Is normal the M52758 Yes Is normal the Scaler Are the Input voltage IIC Comm and HV sync good No Replace IC No Is normal the Scaler Are the Input voltage IIC Comm and HV sync good No Replace IC No Are the Input voltage IIC Comm and HV sync good No Replace IC No Yes Is normal the Scaler Are the Input voltage IIC Comm and H...

Страница 23: ...er cable Is the SPK cable connected well Reset cable No No Reset cable No Replace IC800 No Replace IC801 No Replace SPK cable Yes Yes Audio normal on RGB DVI Is the Flat cable connected well No No IC800 good Yes IC801 good Replace IC802 No IC802 good Replace VSC Analog B D Yes Yes Yes Audio normal on RF AV Component ...

Страница 24: ...ac er YCb Cr 8 HY57V64322 SDRAM 8MB RGB PC DTV RGB PC RGB DTV g m 1601 Sc aler Malib u Comp DTV CXA_RGB RGB_Dat a Main_Vid eo 24 Sub _Vid eo 8 DVI_Dat a TX_Out RS232_RX TX Co mp RGB_SW Fro m Malib u Dig it al Analo g Sid e AV CVBS S VHS Vin5 YCin5 Co mp _Y Co mp _480I P To Malib u Vid eo f o r Text Text TX0 1 2 3 C Disp _En SDATA SCLK SLE HY5DU283222A SDRAM 128MB AM29LV F ROM 1MB Co mp RGB_SW Co m...

Страница 25: ... M62320FP I2C Exp end er M62320FP I2C Exp end er CXA2069Q UPD64083 UPD64083 VPC3230 MAIN VPC3230 MAIN VPC3230 SUB VPC3230 SUB DVD_SUB DTV_Co mp M52758FP IC400 MUX M52758FP IC400 MUX DVD_MAIN DVD2_MAIN DVD2_SUB DTV2_Co mp S VHS Tuner M Tuner S VIN1 Y CIN1 Co mp Co mp 2 MNT_OUT VIN2 Y CIN2 MAIN_VOUT SUB_COUT SUB_YOUT CAB_VIN MAIN_YOUT MAIN_COUT LA7151M SW CVBS Y COMB_YOUT COMB_COUT ALT_Y_480I_MAIN A...

Страница 26: ...VIEW RU 42PZ61 307 308 315 311 313 312 314 310 309 306 300 580 305 301 304 303 302 400 102 401 430 410 590 501 560 520 530 570 571 541 540 200 204 207 201 205 206 202 203 101 120 122 550 600 123 124 126 125 121 127 ...

Страница 27: ...V00281G FILTER MECH NBK 1142G03EK M6 AR NIR MESH GLASS 3 LAYER 306 3210V00193A FRAME FRONT AL DN 42PZ60 TOP 307 3210V00196A FRAME FRONT AL DN 42PZ60 LEFT 308 4972V00099A FIXER FRAME AL DN 42PZ60 309 4972V00101A FIXER FRAME AL DN 42PZ60 310 3210V00194A FRAME FRONT AL DN 42PZ60 BOTTOM 311 3300V00287C PLATE FRONT NON NON DU 42PZ60 ONLY USA 312 3210V00195A FRAME FRONT AL DN 42PZ60 RIGHT 313 4972V00098...

Страница 28: ... 28 EXPLODED VIEW RU 42PZ71 300 305 301 304 303 302 400 401 430 410 590 501 560 520 530 570 571 541 540 120 122 600 123 124 126 125 121 127 202 206 200 207 203 204 201 205 580 ...

Страница 29: ...PORTER FILTER AL RU 42PZ61 71 302 4980V00719E SUPPORTER FILTER AL RU 42PZ61 303 4980V00720D SUPPORTER FILTER AL RU 42PZ71 RIGHT 304 4980V00721D SUPPORTER FILTER AL RU 42PZ71 LEFT 305 3790V00281G FILTER MECH NBK 1142G03EK M6 AR NIR MESH GLASS 3 LAYER 400 3809V00352D BACK COVER ASSEMBLY RU 42PZ61 NON NOBLE BLACK 401 3301V00025S PLATE ASSEMBLY VSC TUNER COVER RU 42PZ71 410 4980V00C74B SUPPORTER ASSY ...

Страница 30: ...RT NO DESCRIPTION IC100 IC100 IC1000 IC1001 IC1002 IC1003 IC1004 IC101 IC102 IC103 IC104 IC1100 IC1100 IC1101 IC1200 IC1201 IC1202 IC1300 IC1301 IC1302 IC1303 IC1304 IC1305 IC1306 IC200 IC201 IC202 IC203 IC204 IC400 IC401 IC402 IC403 IC500 IC500 IC5001 IC5002 IC5003 IC5004 IC5005 IC5006 IC501 IC502 IC503 IC600 IC600 0IMMRAL014B 0IMI623200B 0IMCRFA010A 0IPRPML001A 0IMCRSH001A 0ITK118100B 0IMCRSH001...

Страница 31: ...75S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SA1504S ASY KEC CHIP 2SC3875S ALY KEC CHIP 2SA1504S ASY KEC CHIP 2SC3875S ALY KEC LOCA NO PART NO DESCRIPTION Q402 Q403 Q403 Q404 Q405 Q406 Q600 Q601 Q602 Q603 Q800 Q801 Q802 D100 D100 D1000 D1001 D1002 D1003 D1004 D101 D101 D102 D102 D103 D105 D106 D116 D117 D118 D119 D120 D1200 D1201 D1206 D121 D122 D123 D124 D125 D126 D127 D128 D129 ...

Страница 32: ...UF MVG 50V 20 100UF MVG 16V M 470UF MVG 16V 20 470UF MVG 16V 20 47UF STD 16V M LOCA NO PART NO DESCRIPTION C1042 C1045 C105 C1058 C1059 C106 C1060 C1063 C1066 C1067 C107 C1072 C1074 C1077 C108 C1081 C1083 C1084 C1087 C110 C1108 C111 C112 C1128 C1129 C113 C114 C1145 C1146 C1147 C1152 C1159 C1160 C120 C1202 C1205 C1206 C121 C121 C1211 C1212 C1215 C1216 C1218 C1220 C1223 C1229 C1233 C124 C1249 C1250 ...

Страница 33: ...16V M 47UF MVG 16V M 100UF MVG 16V M 100UF MVG 16V M 100UF MVG 16V M 10UF MVG 16V 20 1 0UF 3216 35V 10 47UF MVG 16V M 47UF MVG 16V M LOCA NO PART NO DESCRIPTION C303 C315 C316 C317 C322 C324 C334 C335 C400 C401 C402 C404 C406 C410 C423 C429 C435 C440 C442 C5001 C5002 C5003 C5005 C5007 C5008 C5009 C5010 C5011 C5012 C5013 C5014 C5015 C5016 C5017 C5018 C5019 C5020 C5021 C5022 C508 C520 C524 C526 C601...

Страница 34: ...LOCA NO PART NO DESCRIPTION JK200 JK201 JK202 P101 P102 P200 P201 L1004 L1005 L1006 L1007 L1200 L1203 L1209 L1213 L803 L804 L805 L806 AR500 AR501 AR502 AR503 AR504 AR505 AR507 AR508 AR509 AR512 AR513 AR600 AR600 AR601 AR601 AR602 AR602 AR603 AR603 AR604 AR605 AR606 AR607 AR608 AR609 AR610 AR611 AR612 6612VJH020B 6612VJH020C 6612VJH019B 380 068E 6612BBBHN6A 380 363G 380 068E 6140VB0004B 6140VB0004B...

Страница 35: ...108 L1102 L1201 L1206 L1207 L1210 L1211 L1216 L1217 L1300 L1302 L1303 L1304 L1305 L1307 L1310 L1311 L1312 L1313 L1314 L1315 L1316 L1317 L1318 L1321 L1322 L1325 L1326 L1327 L1328 L1329 L1330 L1331 L1332 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6200JB...

Страница 36: ...1NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC BK2125 HS 750 FILTER EMC BK2125 HS 750 FILTER EMC BK2125 HS 750 FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FB...

Страница 37: ...nted in Korea P NO 3828VD0179R 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 ...

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Страница 42: ...MAIN TOP ...

Страница 43: ...P PRINTED CIRCUIT BOARD MAIN BOTTOM TUNER TOP TUNER BOTTOM POWER S W SIDE A V TOP SIDE A V BOTTOM CONTROL TOP CONTROL BOTTOM AUDIO SPK_TERMINAL TOP FAN CONTROL TOP FAN CONTROL BOTTOM AUDIO SPK_TERMINAL BOTTOM ...

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