LG 42PX2RV Service Manual Download Page 5 | Manualshive

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<Front Panel>

ON/OFF

TV/AV

MENU

VOL

PR

Main Power Button

Remote Control Sensor

TV/AV Button
Selects the TV, AV, Component,
RGB or HDMI modes. If OSD is
displayed, selects menu item.

MENU
Displays on screen menus one by one.
Exits the current menu.
Memorizes menu changes.

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 settings.

Power Standby Indicator
Illuminates red in standby
mode, Illuminates green
when the set is turned on

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Summary of Contents for 42PX2RV

Page 1: ... SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MF 056A MODEL 42PX2RV 42PX2RV TA website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...ONS 3 DESCRIPTION OF CONTROLS 4 SPECIFICATIONS 8 ADJUSTMENT INSTRUCTIONS 10 TROUBLE SHOOTING GUIDE 14 BLOCK DIAGRAM 23 EXPLODED VIEW 24 EXPLODED VIEW PARTS LIST 25 REPLACEMENT PARTS LIST 26 SCHEMATIC DIAGRAM PRINTED CIRCUIT BOARD ...

Page 3: ... With the instrument AC 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 measur...

Page 4: ... 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 NUMBER buttons SLEEP Sets the sleep timer I II Selects the language during dual lan guage broadcast Selects the sound output TEXT These buttons are used for teletext For furth...

Page 5: ...elects menu item MENU Displays on screen menus one by one Exits the current menu Memorizes menu changes 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 settings Power Standby Indicator Illuminates red in standby mode Illuminates green when the set is turned on ...

Page 6: ...that has a core or the EMI Filter core along with separate cable 2 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 VID...

Page 7: ...o cables Ceiling mounting bracket 40 42 50 42 40 Secure the set assembly by fixing it to a wall by using the Eye Bolts Wall brackets Fixing the set assembly to the wall to protect the set tumbling If the set is mounted on a desk top insert the 2 Eye Bolts and tighten them securely in the upper holes as shown Insert the 2 Eye Bolts and tighten securely in the holes on the bracket Install the wall b...

Page 8: ...ecification by part number 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 42PX2RV TA Market Non EU Remark PDP LGE SPEC Maker SON...

Page 9: ...EA Wired Control Audio 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...

Page 10: ...he screen 3 Channel memory 3 1 Setting 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...

Page 11: ...a Channel download 5 1 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 ...

Page 12: ...on remote control for adjustment 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 ...

Page 13: ...andard 0 7Vpp horizontal 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...

Page 14: ...Doesn t the high tension 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...

Page 15: ... 15 1 2 Sony Power Board Structure 1 2 3 T502 Vs Trans T702 Va Trans T101 St by Trans T103 Low Voltage Trans ...

Page 16: ... 16 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 ...

Page 17: ...er and Power Board Cable 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 ...

Page 18: ... normal after remove P5 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 remo...

Page 19: ... Is the Fuse FS2 normal 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 ...

Page 20: ...ed continuously becomes accomplished 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 ...

Page 21: ...he Tuner Cable connected 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 ...

Page 22: ...ollowing Is the SPK cable 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 ...

Page 23: ... 23 BLOCK DIAGRAM cable ...

Page 24: ... 24 EXPLODED VIEW 300 301 540 121 601 600 120 305 303 530 501 541 410 580 200 400 203 204 201 205 207 206 202 302 304 430 401 520 ...

Page 25: ...DN 42PX12X 7T 304 4980V01070D SUPPORTER ASSY AL FILTER LEFT DN 42PX12X 7T 305 5230V00019B FILTER MECH RT 42PX10 FG401PAA 05 LG CHEMICAL GLASS FILTER MECH 400 3809V00605A BACK COVER ASSEMBLY CHASSIS CHANGE 3809V00605E BACK COVER ASSEMBLY CHASSIS CHANGE WARNING LABEL LGEAP 401 3301V00085B PLATE ASSEMBLY ASSY 3300V00552B RT 42PX17 PLATE TUNER COVER 410 4980V01071A SUPPORTER ASSY AL MODULE VER RZ 42PX...

Page 26: ...7500AA 0TR102008AA 0TR102008AA 0TR387500AA 0TR102008AA 0TR387500AA 0TR387500AA 0TR387500AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD200009AF 0DD200009AF 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD184009AA 0DS113379BA 0DD184009AA 2SC3875S ALY BK KEC KRA102S R TP KEC SOT23 TR...

Page 27: ...N C1118 C1119 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 C1230 C1231 C1245 C1247 C1302 C1304 C1306 C1309 C1311 C1312 C1313 C1314 C1315 C1316 C1317 C1318 C1405 C1406 0CE477SF6DC 0CE477DJ618 0CE227VF6DC 0CE477SF6DC 0CE106SF6DC 0CE107SF6DC 0CE107SF6DC 0CE10...

Page 28: ... TP F Y5V 3 3UF MV 50V 20 R TP SMD SMD 100UF MVG 16V 20 SMD R TP 10UF MVG 16V 20 R TP SMD SMD LOCA NO PART NO DESCRIPTION C464 C465 C480 C481 C482 C483 C484 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 L1000 L1101 L1102 L1103 L1104 L1124 0CE106SF6DC 0CE106SK6D...

Page 29: ...E0A J 510 R OHM 51 OHM 5 LOCA NO PART NO DESCRIPTION AR816 AR817 AR817 R230 R801 R802 D1003 D1101 D1102 D1103 D1104 LD101 SW101 SW102 SW103 SW104 SW105 SW106 SW107 SW108 SW700 SW800 SW800 L100 L1004 L1005 L1006 L1007 L1008 L1009 L101 L1010 L1011 L1012 L1013 L1014 L1015 L1016 L1017 L1018 L1019 L102 L1020 L1021 L1022 L1023 0RRZVTA001D 0RRZVTA001B 0RRZVTA001D 0RD0331H609 0RKZVTA001L 0RKZVTA001L 0DL23...

Page 30: ...N2 R TP 500 OHM MLB 321611 0500P N2 R TP 500 OHM MLB 321611 0500P N2 R TP 500 OHM MLB 321611 0500P N2 R TP 500 OHM MLB 321611 0500P N2 R TP 500 OHM MLB 321611 0500P N2 R TP 500 OHM MLB 321611 0500P N2 R TP 500 OHM MLB 321611 0500P N2 R TP 500 OHM MLB 321611 0500P N2 R TP 500 OHM MLB 321611 0500P N2 R TP 500 OHM MLB 201209 1000L N2 R TP 1000OHM MLB 321611 0500P N2 R TP 500 OHM MLB 321611 0500P N2 R...

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Page 32: ......

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Page 34: ...PRINTED CIRCUIT BOARD MAIN TOP MAIN BOTTOM SIDE A V TOP CONTROL TOP SIDE A V BOTTOM POWER SWITCH TOP CONTROL BOTTOM POWER SWITCH BOTTOM ...

Page 35: ...Jun 2005 Printed in Korea P NO 3828VD0209V ...

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