LG 42PX3RVC Service Manual Download Page 16 | Manualshive

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1-2. Sony Power Board Structure

1 2 3

T502: Vs Trans

T702: Va Trans

T101: St-by Trans

T103: Low Voltage Trans

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Summary of Contents for 42PX3RVC

Page 1: ...IS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MF 056A MODEL 42PX3RVC RV 42PX3RVC RV TA website http biz LGservice com e mail http www LGEservice com techsup html PR VOL MENU TV AV OK All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 2: ...NTROLS 4 SPECIFICATIONS 8 ADJUSTMENT INSTRUCTIONS 11 TROUBLE SHOOTING GUIDE 15 BLOCK DIAGRAM 24 EXPLODED VIEW 26 EXPLODED VIEW PARTS LIST 27 REPLACEMENT PARTS LIST 28 SCHEMATIC DIAGRAM PRINTED CIRCUIT BOARD All manuals and user guides at all guides com ...

Page 3: ...C plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position 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 b...

Page 4: ...enu Memorizes menu changes SWAP Returns to the previously viewed programme Note This function works only when Favourite programme is set to Off Otherwise each press of this button will select a stored favorite programme SSM To select the sound appropriate to your viewing programme character NUMBER buttons SLEEP Sets the sleep timer I II Selects the language during dual lan guage broadcast Selects ...

Page 5: ...o standby 4 TV AV Button Selects the TV AV Component RGB or HDMI modes Switches the set on from standby 5 MENU Displays on screen menus one by one Exits the current menu Memorizes menu changes 6 OK Accepts your selection or displays the current mode 7 D D E E Programme Up Down Selects a programme or a menu item Switches the set on from standby F F G G Volume Up Down Adjusts the volume Adjusts menu...

Page 6: ...ng with separate cable 2 CONTROL LOCK REMOTE CONTROL 3 RS 232C INPUT CONTROL SERVICE PORT Connect to the RS 232C port on a PC 4 COMPONENT INPUT Connect DVD video outputs to Y PB PR of COMPONENT INPUT and audio outputs to Audio sockets of AUDIO INPUT 5 VIDEO AUDIO IN OUT SOCKETS A V INPUT 1 Connect the video audio out sockets of external equipment to these sockets S VIDEO AUDIO IN SOCKETS Connect t...

Page 7: ...dio cables Ceiling mounting bracket 40 42 50 42 40 Secure the TV assembly by joinning it to a wall by using the Eye Bolts Wall brackets Joinning the TV assembly to the wall to protect the set tumbling After the set must be mounted on a desktop install the Eye Bolts on the set as shown Insert the 2 Eye Bolts and tighten securely in the holes on the bracket Install the wall brackets on the wall with...

Page 8: ...er in accordance with BOM 5 The receiver must be operated for about 20 minutes prior to the adjustment V Test Method 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC V General Specification 1 Module Specification Remark Safety IEC60065 EMI CISPR13 Model Name 42PX3RVC TA Market Non EU Remark PDP LGE SPEC Maker SONY Sanken Specification ...

Page 9: ...variable out No 1 2 3 4 5 6 7 8 9 10 11 12 13 Specification Non EU PAL B G I D K NTSC BAND PAL NTSC VHF UHF C1 C69 2 83 CATV S1 S47 1 71 Upper Heterodyne PAL SECAM NTSC PAL SECAM NTSC PAL SECAM NTSC Y Cb Cr Y Pb Pr RGB PC RGB DTV HDMI PC HDMI DTV PC Audio Component 2EA AV 2EA Remark 4 System PAL SECAM NTSC PAL60 4 System PAL SECAM NTSC PAL60 4 System PAL SECAM NTSC PAL60 L R Input All manuals and ...

Page 10: ...0PX3RV series 42PX3RV series Resolution 640x350 720x400 640x480 848x480 800x600 Horizontal Frequency KHz Vertical Frequency Hz 852x480 832x624 1024x768 1360x768 1366x768 1152x864 1152x870 1280x960 1280x768 1280x1024 70 09 85 08 70 08 85 03 59 94 66 66 72 80 75 00 85 00 60 00 70 00 75 00 60 00 70 00 75 00 56 25 RGB 60 31 72 18 75 00 85 06 74 55 60 00 70 06 75 02 85 00 60 00 75 02 85 00 60 00 75 02 ...

Page 11: ...ing up the LGIDS 1 Install the LGIDS idsinst exe 2 After installation restart your PC 3 Extract files zip to folder c LGIDS files 4 Start LGIDS 3 2 Channel memory Method 1 Select PDP and Hurricane on Model dialog And check your connection in Communication dialog If your connection is NG then set your PORT COM1 2 3 correctly 2 Connect RS 232C cable and turn on the power If your connection has compl...

Page 12: ...Required Test Equipment 1 Adjusting PC with S W for writing EDID Data S W EDID TESTER Ver 2 5 2 A Jig for EDID Download 3 Cable Serial 9Pin or USB to D sub 15Pin cable D sub 15Pin cable DVI to HDMI cable 5 2 Setting of device 5 3 Preparation for Adjustment 1 As above Fig 5 Connect the Set EDID Download Jig PC Cable 2 Turn on the PC EDID Download Jig And Execute the S W EDID TESTER Ver 2 5 3 Set up...

Page 13: ...djustment then operate heat run more than 15 minutes 2 As below Fig 7 1 Supply 216Level 85 IRE full screen pattern to Video input 42PX4RV TA AV1 AV2 INPUT 50Hz 42PX4RV ZA AV4 AV5 INPUT 3 Press the TV AV KEY on R C for converting input mode 4 Set the PSM to Standard mode in Picture menu 5 Enter the White Balance adjustment mode by pressing the INSTART key twice White Balance on R C 6 Stick sensor t...

Page 14: ...l black and white pattern as Fig 10 9 2 Method of Auto RGB Color Balance 1 Input the PC 1024x768 60Hz horizontal black and white pattern into RGB 2 Set the PSM to Standard mode in Picture menu 3 Press ADJ key on R C for adjustment 4 Press the G Vol key operate To set then it becomes automatically 5 Auto RGB OK means completed adjustment 9 Default Value in Adjustment mode 9 1 Auto Color Balance Com...

Page 15: ...n output come out Doesn t the VSC signal Vs ON come out Yes Yes Does high tension output voltage Drop occur When the Y B D Module input connector is removed does output voltage drop occur When the Y Z B D Module input connector is remove does Power Board hightension output voltage Drop occur Yes No No 9 Check the Power Board Output high tension circuit Yes 10 Check the Z B D Module output circuit ...

Page 16: ... 16 1 2 Sony Power Board Structure 1 2 3 T502 Vs Trans T702 Va Trans T101 St by Trans T103 Low Voltage Trans All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 17: ... 17 1 3 Sanken LG INNOTEK Power Board Structure 1 2 3 T221 Vs Trans T271 Va Trans T121 St by Trans T201 Low Voltage Trans All manuals and user guides at all guides com ...

Page 18: ...e connected Connect the Cable Yes No Is the Fuse F101 on Power Board normal Replace the Fuse Yes No Is the Power Board and 7P of VSC Board Cable connected Connect the Cable Yes No After the cable connect is remved to Power Board except the CN101 connection cable the AC voltage marking is authorized on manual When ST BY 5V is not operated replace Power Board All manuals and user guides at all guide...

Page 19: ... P6 connector of Y B D Is the Fuse FS2 on Y B D normal In case of open is replace Yes No Yes Yes Replace Z Board Is the Z Board normal Is the output voltage normal after remove P1 connector of Z B D Is the Fuse FS1 FS2 on Z B D normal In case of open is replace Yes No Yes Is the X Board normal Is the output voltage normal after remove P1 2 3 4 5 connector of X B D After remove P1 P2 P3 output volt...

Page 20: ... on Y B D In case of open is replace Yes No Yes Yes Replace Z Board Is the Z Board normal Is normal the output voltage after remove P1 connector of Z B D Is the Fuse FS1 FS2 normal on Z B D In case of open is replace Yes No Yes Is the X Board normal Is the output voltage normal after remove P1 2 3 4 5 connector of X B D After remove P1 P2 P3 output voltage normality Replace Right X B D After remov...

Page 21: ...d from module 2 Check following Is the LVDS cable normal Is the VSC Board normal Is the LVDS cable connected well Cable inserts well Yes No No Yes Does the FIL8532 IC IC800 Operates Replace FIL8532 IC IC800 No Is the Ctrl Board of Module normal Replace Ctrl B D No No Yes Replace VSC B D Replace the cable Yes All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 22: ...d well Cable inserts well Yes No No Yes Is the FIL8532 normal Replace the Tuner No Is the Input voltage IIC Communication and CVBS output normal Yes Is the Input voltage IIC Communication and HV sync normal No Replace the IC No Is normal the Input voltage IIC Communication and HV sync No Replace the IC No Is the CXA2069Q normal Yes Is the FIL8532 normal Is the Input voltage IIC Communication and H...

Page 23: ...le normal Is the SPK cable connected well Cable inserts well No No Replace IC400 No Replace IC401 No Replace SPK cable Yes Yes Is the RF AV Component RGB HDMI sound normal No Does IC400 Operates Does IC401 Operates Replace IC402 No Does IC402 Operates Replace VSC B D Yes Yes All manuals and user guides at all guides com ...

Page 24: ... 24 BLOCK DIAGRAM cable All manuals and user guides at all guides com ...

Page 25: ...MEMO 25 All manuals and user guides at all guides com ...

Page 26: ... 26 EXPLODED VIEW 300 301 304 302 202 206 203 204 201 205 580 410 530 121 601 600 120 501 401 400 303 207 200 520 430 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 27: ...P RZ 42PX30 302 4980V01204A SUPPORTER ASSY AL FILTER BOTTOM RZ 42PX30 303 4980V01205A SUPPORTER ASSY AL FILTER RIGHT RZ 42PX30 304 4980V01206A SUPPORTER ASSY AL FILTER LEFT RZ 42PX30 400 3809V00605A BACK COVER ASSEMBLY 42PX17 30 NON CHASSIS CHANGE 3809V00605E BACK COVER ASSEMBLY CHASSIS CHANGE WARNING LABEL LGEAP 401 3301V00085B PLATE ASSEMBLY ASSY 3300V00552B RT 42PX17 PLATE TUNER COVER 410 4980V...

Page 28: ...50008AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2...

Page 29: ...19 C1120 C1126 C113 C1135 C1136 C1137 C1138 C114 C1148 C1149 C115 C1150 C1151 C1154 C1159 C1162 C1165 C1166 C1185 C1186 C1187 C1188 C1189 C1190 C1191 C1192 C1193 C1195 C1199 C1200 C1201 C1225 C1245 C1247 C1302 C1304 C1306 C1309 0CE476SF6DC 0CE477SF6DC 0CE476SF6DC 0CE476SF6DC 0CE476SF6DC 0CE476SF6DC 0CE107SF6DC 0CE107SF6DC 0CE477SF6DC 0CE477DJ618 0CE477SF6DC 0CE227VF6DC 0CE477SF6DC 0CE477DJ618 0CE2...

Page 30: ... 3 3UF MV 50V 20 R TP SMD SMD 100UF MVG 16V 20 SMD R TP LOCA NO PART NO DESCRIPTION C463 C464 C465 C480 C481 C482 C495 C527 C610 C728 C729 C730 C731 C735 C737 C739 C745 C750 C752 C760 C762 C764 C767 C771 C832 C833 C834 C835 C836 C837 C838 C839 C840 C851 C853 C884 C896 C901 C904 C905 C930 C943 C950 C483 C484 L1000 L1101 L1102 L1103 L1104 0CE106SF6DC 0CE106SF6DC 0CE106SK6DC 0CE108DJ618 0CE475SK6DC 0...

Page 31: ...E24 MNR14 E0A J 510 R OHM 51 OHM 5 22 OHM 1 16 W 1608 5 R TP 4P E24 LOCA NO PART NO DESCRIPTION AR817 R230 D1003 D1101 D1102 D1103 D1104 LD101 SW101 SW102 SW103 SW104 SW105 SW106 SW107 SW108 SW700 SW800 L100 L1004 L1005 L1006 L1007 L1008 L1009 L101 L1010 L1011 L1012 L1013 L1014 L1015 L1016 L1017 L1018 L1019 L102 L1020 L1021 L1022 L1023 L1024 L1025 L103 L109 L110 0RRZVTA001B 0RD0331H609 0DL233309AC...

Page 32: ... 321611 0500P N2 MAG LAYERS MLB 321611 0500P N2 MAG LAYERS MLB 321611 0500P N2 MAG LAYERS MLB 321611 0500P N2 MAG LAYERS MLB 321611 0500P N2 MAG LAYERS MLB 321611 0500P N2 MAG LAYERS MLB 201209 1000L N2 MAG LAYERS MLB 321611 0500P N2 MAG LAYERS MLB 321611 0500P N2 MAG LAYERS MLB 321611 0500P N2 MAG LAYERS MLB 321611 0500P N2 MAG LAYERS MLB 201209 1000L N2 MAG LAYERS MLB 201209 1000L N2 MAG LAYERS ...

Page 33: ...All manuals and user guides at all guides com ...

Page 34: ...All manuals and user guides at all guides com ...

Page 35: ...All manuals and user guides at all guides com ...

Page 36: ...PRINTED CIRCUIT BOARD MAIN TOP MAIN BOTTOM SIDE A V BOTTOM CONTROL All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 37: ...Apr 2005 Printed in Korea P NO 3828VD0209R All manuals and user guides at all guides com ...

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