LG MT-42PM10 Service Manual Download Page 24 | Manualshive

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(7) In the case of becomes unusual display from RGB DTV mode

(8) In the case of becomes unusual display from RGB PC mode

(8) In the case of becomes unusual display from DVI mode

Is normal the

CXA2101?

Yes

Is normal the

M52758?

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

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 the Scaler?

Is normal the Input voltage, IIC

Communication and HV sync?

No

Replace IC

No

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Summary of Contents for MT-42PM10

Page 1: ...ICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS RF 04GA MODEL MT 42PM10 B HB MODEL MT 42PM11 R 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: ... 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 AUDIO MONO COMPONENT INPUT R L EXTERNAL SPEAKER Connection to PC Connection to AV equipment ...

Page 7: ...S Connect 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 monitorÕs PC input port 4 EXTERNAL SPEAKER OUTPUT 8 ohm Connect to optional external speaker s For further information refer to ÔSpeaker Speaker StandÕ manual 5 AUDIO COMPONENT INPUT S VIDEO VIDEO INPUT AUDIO INPUT SOCKETS EURO...

Page 8: ...68 677 54 348 63 995 67 500 77 487 68 681 60 023 63 981 RGB DVI mode MT MZ 42PM10 12X 20 series MT MZ 50PM10 20 series Resolution 640x350 720x400 640x480 848x480 800x600 Horizontal Frequency KHz Vertical Frequency Hz 852x480 832x624 1024x768 1360x768 1366x768 1152x864 1152x870 1280x960 1280x768 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 3...

Page 9: ...OSITION SKIP STOP SWAP POWER PAUSE INPUTSELECT Remote Control handset Optional extras can be changed or modified for quality improvement without any notification new optional extras can be added Contract your dealer for buying these items Optional Extras Accessories Accessories Tilt wall mounting bracket 40 42 50 40 42 50 Video cables Audio cables Ceiling mounting bracket 40 42 50 42 40 Desktop st...

Page 10: ... each parts 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 Model...

Page 11: ...al 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 Mits...

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: ...onnector 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 volt...

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 ...

Page 29: ... ASSEMBLY 42PM10B HB RF04GA 3091V00731J CABINET ASSEMBLY 42PM11R RF043E REVERSE 2TONE 301 4980V00C59G SUPPORTER ASSY AL SUPP FILTER TOP APPLY 42PM10 AL 302 4980V00C59E SUPPORTER ASSY AL SUPP FILTER BOTTOM APPLY 42PM10 AL 303 4980V00C61K SUPPORTER ASSY AL SUPP FILTER LEFT APLLY TO 42PM10 AL 304 4980V00C61H SUPPORTER ASSY AL SUPP FILTER RIGHT APLLY TO 42PM10 AL 305 3790V00709B FILTER MECH MN42PZ41 L...

Page 30: ...6 SOT 23 LOCA NO PART NO DESCRIPTION IC100 IC100 IC1000 IC1001 IC101 IC101 IC1100 IC1200 IC1300 IC1301 IC1302 IC1400 IC1401 IC1402 IC1403 IC1404 IC1405 IC1500 IC1501 IC1502 IC1503 IC200 IC201 IC202 IC400 IC400 IC401 IC401 IC500 IC501 IC502 IC503 IC504 IC505 IC506 IC700 IC800 IC801 IC900 IC901 IC902 Q001 Q002 Q100 Q100 Q101 Q101 Q102 Q103 0IMCRSG010A 0ISO208900A 0IMMRHY020B 0IMMRMR023B 0IMCRFA010A ...

Page 31: ...C1322 C1323 C1325 C1326 C133 C1330 C1331 C1332 C1335 C1336 C1338 C134 C1349 C135 C1350 C1351 C1354 C1355 C1356 C140 C1402 C1403 C141 C1418 C1419 C142 C1420 C1422 C1423 C1424 C1427 C1428 C143 0CH3104K566 0CE105SK6DC 0CE105SK6DC 0CE105SK6DC 0CE105SK6DC 0CE105SK6DC 0CH3104K566 0CH3104K566 0CE476SF6DC 0CE105SK6DC 0CH5101K416 0CH5101K416 0CE477SF6DC 0CE227VF6DC 0CE227VF6DC 0CE477SF6DC 0CE105SK6DC 0CE47...

Page 32: ...ART NO DESCRIPTION C215 C216 C221 C223 C225 C227 C300 C305 C309 C400 C404 C404 C405 C406 C406 C407 C408 C409 C410 C411 C411 C412 C415 C416 C417 C418 C420 C423 C426 C427 C429 C431 C434 C437 C500 C501 C506 C507 C513 C514 C515 C516 C517 C517 C522 C525 C530 C534 C536 C538 C540 C545 0CE107SF6DC 0CE107SF6DC 0CE107SF6DC 0CE477SF6DC 0CE477SF6DC 0CE477SF6DC 0CE476SF6DC 0CE476SF6DC 0CE476SF6DC 0CE476SF6DC 0...

Page 33: ... RA1103 RA1104 RA1105 RA1106 RA700 RA701 RA702 RA703 RA800 RA801 RA802 RA803 RA804 RA805 RA806 RA807 RA808 RA809 RA810 RA811 RA812 RA813 RA814 RA815 RA816 RA817 RA818 RA900 RA901 RA902 RA903 RA904 RA905 RA906 RA907 RA908 RA909 RA910 RA911 RA912 6630VGA001C 385 173B 0RD0302A609 0RKZVTA001L 0RKZVTA001L 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0R...

Page 34: ...A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A SAM2333 GREEN RED GREEN 10MCD RED 6MCD SAM2333 GREEN RED GREEN 10MCD RED 6MCD SAM2333 GREEN RED GREEN 10MCD RED 6MCD SAM2333 GREEN RED GREEN 10MCD RED 6MCD SAM5670 DL 2LRG BK Y GREEN SAM2333 GREEN RED GREEN 10MCD RED 6MCD SAM2333 GREEN RED GREEN 10MCD RED 6MCD SAM2333 GREEN RED GREEN 10MCD...

Page 35: ...002B 6850J00004A 0FS1002B53K MANUAL OWNERS RU EN 138D TX 026H REMOTE CONTROLLER RF04GA MZ 42PM10 40 POWER CORD M2511A 001 VDE SEMKO 2800MM JACK DRAWING UCT EX 031 UGCOM BNC CABLE DVI LVDS UL20276 AWG30 500MM FUSE SLOW BLOW 10000MA 250 V 5 2X20 MISCELLANEOUS ACCESSORIES LOCA NO PART NO DESCRIPTION ...

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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: ...Feb 2005 Printed in Korea P NO 3828VD0198F ...

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