LG MZ-42PM10 Service Manual Download Page 40 | Manualshive

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Summary of Contents for MZ-42PM10

Page 1: ...ITOR SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS RF 04GA MODEL MZ 42PM10 B 14 website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...CAUTIONS 3 ADJUSTMENT INSTRUCTIONS 4 SPECIFICATIONS 10 ADJUSTMENT INSTRUCTIONS 13 TROUBLE SHOOTING GUIDE 15 BLOCK DIAGRAM 26 EXPLODED VIEW 28 EXPLODED VIEW PARTS LIST 29 REPLACEMENT PARTS LIST 30 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: ...screen menus one by one Exits the current menu Memorizes menu changes SSM To select the sound appropriate to your viewing programme character NUMBER buttons SLEEP Sets the sleep timer PIP DW Switches the sub picture on or off Selects PIP or DW modes DVD BUTTONS controls a LG DVD player SWAP Alternates between main and sub pic ture INPUT SELECT EXIT Clears all on screen displays PIP INPUT Selects t...

Page 5: ...our set 1 Main Power Button 2 Remote Control Sensor 3 Power Standby Indicator Illuminates red in standby mode Illuminates green when the set is turned on 4 INPUT SELECT Button 5 MENU Displays on screen menus one by one Exits the current menu Memorizes menu changes 6 D D E E Selects a menu option F F G G Volume Up Down Increases decreases sound level Adjusts menu settings 1 2 3 4 5 6 1 4 5 6 2 3 ...

Page 6: ...T AUDIO INPUT AUDIO INPUT VIDEO INPUT AUDIO INPUT S VIDEO RGB OUTPUT RGB INPUT DVI INPUT RS 232C INPUT CONTROL SERVICE REMOTE CONTROL Y PB PR AUDIO MONO COMPONENT INPUT R L EXTERNAL SPEAKER Connection to PC Connection to AV equipment MZ 42PM10 ...

Page 7: ...nnect the monitor output socket of the PERSONAL COM PUTER to this socket RGB OUTPUT SOCKET You can watch the RGB signal on another monitor connect RGB OUTPUT to another monitor s PC input port 4 EXTERNAL SPEAKER OUTPUT 8 ohm Connect to optional external speaker s For further information refer to Speaker Speaker Stand manual 5 AUDIO COMPONENT INPUT S VIDEO VIDEO INPUT AUDIO INPUT SOCKETS EURO SCART...

Page 8: ... Back Panel R L R L AC INPUT AUDIO INPUT AUDIO INPUT VIDEO INPUT AUDIO INPUT S VIDEO RGB OUTPUT RGB INPUT DVI INPUT RS 232C INPUT CONTROL SERVICE REMOTE CONTROL Y PB PR MONO COMPONENT INPUT R L EXTERNAL SPEAKER AV2 AV1 Connection to PC Connection to AV equipment MZ 42PM14 ...

Page 9: ... socket RGB OUTPUT SOCKET You can watch the RGB signal on another monitor connect RGB OUTPUT to another monitor s PC input port 4 EXTERNAL SPEAKER OUTPUT 8 ohm Connect to optional external speaker s For further information refer to Speaker Speaker Stand manual 5 COMPONENT AUDIO INPUT SOCKETS S VIDEO AUDIO L MONO INPUT SOCKETS VIDEO AUDIO L MONO INPUT SOCKETS EURO SCART SOCKET Note If you want to u...

Page 10: ...arts are followed each drawing and specification by part number in accordance with BOM 5 The receiver must be operated for about 20 minutes prior to the adjustment V Test and Inspection Method 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC Remark Safety IEC60065 EMI EN55022 EMS EN55024 Safety IEC60065 IE60950 EMI EN55022 Remark TEST ...

Page 11: ... LGE SPEC Maker SONY Sanken Specification 42 inch wide Color Display Module 16 9 PDP42X1A RGB Closed Type 45 Total light transmittance E Mesh 1 Temp 0 40 deg 2 Humidity 0 85 1 Temp 20 60 deg 2 Humidity 0 85 AC100 240V 50 60Hz No 8 9 10 11 12 13 14 Item Display Screen Device Aspect Ratio PDP Module Screen Filter Operating Environment Storage Environment Input Voltage Remark PDP LGE Maker NBK Mitsui...

Page 12: ...7 28 29 30 Item Market Scart Jack 2EA S AV Input 1EA Component Input 1EA RGB Input 1EA RGB Outpu t 1EA DVI Input 1EA Audio Input 4EA Wired Control Remark 4 System PAL B G I D K SECAM L NTSC4 43 PAL60 4 System PAL B G I D K SECAM L NTSC4 43 PAL60 Up to UXGA 60Hz 480P Up to UXGA 60Hz 480P DVI D L R Input Specification Non EU PAL SECAM NTSC PAL SECAM NTSC Y Cb Cr Y Pb Pr RGB PC DTV RGB PC DTV DVI PC ...

Page 13: ...tal pattern cross hatch pattern a after image may be occur in the black level part of the screen 3 POWER PCB Assy Voltage Adjustments Va Vs Voltage Adjustments 3 1 Test Equipment D M M 1EA 3 2 Connection Diagram for Measuring Refer to Fig 1 3 3 Adjustment Method for 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 G...

Page 14: ...ck 5 2 Setting of Device 5 3 Preparation for Adjustment 1 Set devices as above and turn the PC jig on 2 Put S W for writing DDC EDID data Write Read into operation operated in DOS mode 5 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 ...

Page 15: ...signal Doesn t the high 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 M...

Page 16: ... 16 1 2 Sony Power Board Structure T502 Vs Trans T702 Va Trans T101 St by Trans T103 Low Voltage Trans 1 2 3 ...

Page 17: ... 17 1 3 Sanken Power Board Structure T221 Vs Trans T271 Va Trans T121 St by Trans T201 Low Voltage Trans 1 2 3 ...

Page 18: ...ect the Power Switch and Power Board Cable Connect Cable Yes No Is normal the Fuse F101 on Power Board Replace Fuse Yes No Is connect the Power Board and 7P of VSC Board Cable Connect Cable Yes No Is connect the Power Switch and Power Board Cable After remove the cable connect to Power Board except the CN101 connection cable authorizes the AC voltage marking on manual When ST BY 5V does not operat...

Page 19: ...nnector of Y B D Is normal the Fuse F52 on Y B D In case of open is replace Yes No Yes Yes Replace Z Board Is normal the Z Board Is normal the output voltage after remove P1 connector of Z B D Is normal the Fuse FS1 FS2 on Z B D In case of open is replace Yes No Yes Is normal the X Board Is normal the output voltage after remove P1 2 3 4 6 7 connector of X B D After remove P1 P2 P3 P4 output volta...

Page 20: ... Y B D In case of open is replace Yes No Yes Yes Replace Z Board Is normal the Z Board Is normal the output voltage after remove P1 connector of Z B D Is normal the Fuse FS1 FS2 on Z B D In case of open is replace Yes No Yes Is normal the X Board Is normal the output voltage after remove P1 2 3 4 6 7 connector of X B D After remove P1 P2 P3 P4 output voltage normality Replace Right X B D After rem...

Page 21: ... follow Is normal the LVDS cable Is normal the VSC Digital Board Is the LVDS cable connected well Cable inserts well Yes No No Yes Operates the Thine IC IC1200 Replace Thine IC IC1200 No Is normal the Ctrl Board of Module Replace Ctrl B D No No Operates the IEP IC1100 Replace IEP IC1100 Yes No Operates the Scaler IC900 Replace VSC Digital B D Replace Scaler IC900 Yes Yes No Replace cable Yes ...

Page 22: ...n the case of becomes unusual display from RF AV mode Is normal the Tuner Is normal the CXA2069Q Is the Tuner Cable connected well Cable inserts well Yes No No Yes Is normal the VPC3230 Replace Tuner No Is normal the Input voltage IIC Communication and CVBS output Yes Is normal the Input voltage IIC Communication and HV sync No Replace IC No Is normal the Input voltage IIC Communication and HV syn...

Page 23: ...ync No Replace IC No Yes Is normal the Scaler Is normal the Input voltage IIC Communication and HV sync No Replace IC No Is normal the 74LS123 Yes Is normal the CXA2101 Is normal the Input voltage IIC Communication and HV sync No Replace IC No Is normal the Input voltage IIC Communication and HV sync No Replace IC No Yes Is normal the M52758 Is normal the Input voltage IIC Communication and HV syn...

Page 24: ...No Replace IC No Is normal the Input voltage IIC Communication and HV sync No Replace IC No Is normal the M52758 Yes Is normal the Scaler Is normal the Input voltage IIC Communication and HV sync No Replace IC No Is normal the Scaler Is normal the Input voltage IIC Communication and HV sync No Replace IC No Is normal the Input voltage IIC Communication and HV sync No Replace IC No Yes Is normal th...

Page 25: ...ble connected well Cable inserts well No No Cable inserts well No Replace IC501 No Replace IC502 No Replace SPK cable Yes Yes Is normal the RGB DVI sound Is the Flat cable connected well No No Operates the IC501 Yes Operates the IC502 Replace IC504 No Operates the IC502 Replace VSC Analog B D Yes Yes Yes Is normal the RF AV Component sound ...

Page 26: ... 26 BLOCK DIAGRAM Cable ...

Page 27: ... 27 BLOCK DIAGRAM Cable ...

Page 28: ... 28 EXPLODED VIEW 305 300 212 213 216 217 200 214 211 215 580 501 550 520 600 540 541 301 303 530 601 410 400 101 103 101 102 302 304 ...

Page 29: ...APPLY 42PM10 AL SKD 302 4980V00C59F SUPPORTER ASSY AL SUPP FILTER BOT APPLY 42PM10 AL SKD 303 4980V00C45A SUPPORTER FILTER SECC EGI SIDE MZ 42PM10 304 4980V00C61J SUPPORTER ASSY AL SUPP FILTER RIGHT APLLY TO 42PM10 SKD 305 3790V00709B FILTER MECH MN42PZ41 LGM42 01 MITSUI 42 ETCHING MESH GLASS FILTER 400 3809V00504B BACK COVER ASSEMBLY MZ 42PM10 C SKD 410 4980V00C62B SUPPORTER ASSY ZDC SUPP MODULE ...

Page 30: ...EC CHIP 2SC3875S ALY KEC CHIP 2SA1504S ASY KEC CHIP 2SA1504S ASY KEC CHIP 2SA1504S ASY KEC CHIP 2SA1504S ASY KEC CHIP 2SA1504S ASY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC LOCA NO PART NO DESCRIPTION IC100 IC1000 IC1001 IC101 IC1100 IC1200 IC1300 IC1301 IC1302 IC1400 IC1401 IC1402 IC1403 IC1404 IC1405 IC1500 IC1501 IC1502 IC1...

Page 31: ...D302 D303 D304 D305 D306 D307 D308 D309 D310 D400 D401 D402 ZD100 ZD101 ZD102 ZD200 ZD201 ZD202 ZD203 ZD500 D1301 D1302 D1303 D600 LD001 LED400 LED401 LED402 C002 C1000 C1001 C1019 C115 C1300 C1305 C1306 C1308 C1318 C1322 C1323 C1325 C1326 C1330 C1331 C1332 C1335 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD2...

Page 32: ...16V M SMD R TP LOCA NO PART NO DESCRIPTION C212 C212 C213 C214 C215 C216 C217 C218 C219 C220 C221 C221 C222 C223 C223 C224 C225 C225 C227 C230 C231 C232 C233 C234 C235 C237 C238 C239 C240 C241 C242 C244 C245 C246 C247 C248 C249 C250 C300 C300 C301 C302 C303 C304 C305 C305 C306 C307 C308 C309 C309 C310 0CE107SF6DC 0CE476SF6DC 0CE107SF6DC 0CE107SF6DC 0CE107SF6DC 0CE107SF6DC 0CH5471K416 0CH5471K416 0...

Page 33: ... R TP SMD SMD LOCA NO PART NO DESCRIPTION C427 C429 C431 C434 C437 C500 C501 C506 C507 C513 C514 C515 C516 C517 C517 C522 C525 C530 C534 C536 C538 C540 C545 C549 C553 C554 C567 C568 C569 C600 C611 C612 C627 C627 C634 C635 C638 C639 C640 C641 C705 C709 C714 C730 C827 C833 C904 C905 C906 C908 C909 C910 0CE107SF6DC 0CE107SF6DC 0CE477SF6DC 0CE476SF6DC 0CE107SF6DC 0CE476SF6DC 0CE476SF6DC 0CE335SK6DC 0C...

Page 34: ...CA NO PART NO DESCRIPTION RA811 RA812 RA813 RA814 RA815 RA816 RA817 RA818 RA900 RA901 RA902 RA903 RA904 RA905 RA906 RA907 RA908 RA909 RA910 RA911 RA912 SW001 SW002 SW003 SW004 SW005 SW006 SW800 SW900 F100 F101 F102 F103 F500 F501 F502 L100 L1000 L101 L102 L103 L104 L105 L106 L1305 L1307 L1308 L1309 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZ...

Page 35: ... FBMH3216 HM501NT FBMH3216 HM501NT FBMH3216 HM501NT FBMH3216 HM501NT FBMH3216 HM501NT FBMH3216 HM501NT FBMH3216 HM501NT FBMH3216 HM501NT FBMH3216 HM501NT FBMH3216 HM501NT FBMH3216 HM501NT FBMH3216 HM501NT FBMH3216 HM501NT FBMH3216 HM501NT FBMH3216 HM501NT FBMH3216 HM501NT FBMH3216 HM501NT BK2125 HS 750 FBMH3216 HM501NT FBMH3216 HM501NT FBMH3216 HM501NT FBMH3216 HM501NT FBMH3216 HM501NT FBMH3216 HM...

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Page 41: ...PRINTED CIRCUIT BOARD MAIN TOP CONTROL TOP CONTROL BOTTOM MAIN BOTTOM A V FIX B D TOP A V FIX B D TOP A V RCA PAL BOTTOM A V RCA PAL TOP POWER S W BOTTOM POWER S W TOP ...

Page 42: ...Jan 2005 Printed in Korea P NO 3828VD0198A ...

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