LG FLATRON M3701C Service Manual Download Page 22 | Manualshive

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Copyright

2007 LG Electronics. Inc. All right reserved.

Only for training and service purposes

LGE Internal Use Only

6. NO RASTER STATE ON HDMI SIGNAL

NO RASTER STATE ON

HDMI SIGNAL

CHECK SIGNAL CABLE AND

OUTPUT DEVICE

CHECK INPUT JACK

(JK501)

NO

1. CHECK IC101
2. CHECK Vcc OF IC101
3. CHECK PERIPHERALS OF

IC101

YES

CHECK VCC AND

PERIPHERALS OF IC508

CHECK HDMI RX IC OUT

(ANX9021)

NO

YES

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Summary of Contents for FLATRON M3701C

Page 1: ...http biz LGservice com CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NO LW61A MODEL M3201C M3201C BAFE A LLC M3701C M3701C BAFE A LLC M4201C M4201C BAFE A LLC Same model for Service Internal Use Only ...

Page 2: ...zontal 30 83kHz Digital 72kHz Vertical 56 85Hz Input Form Separate SOG Composite Digital 4 SPECIAL FUNCTION 4 1 Audio 1 Output Rating 10W 10W Rated Output 10 2 Freq Character 100Hz 10KHz Range 3dB 3 T H D Within 10 4 Input Sensitivity 0 700Vrms 4 2 Speaker 1 TYPE Detachable 2 Impedance 8 3 Input Max 15W Normal 10W 4 2 AV 1 Video Level Input 0 7 0 15Vp p 2 Sync Level Input 0 286 0 075Vp p 3 Color B...

Page 3: ...mm 3 93 Height 540 mm 19 41 M3701C Width 1129 mm 31 61 Depth 227 7 mm 3 93 Height 619 mm 19 41 M4201C Width 1259 mm 31 61 Depth 294 5 mm 3 93 Height 702 mm 19 41 8 WEIGHT with Speaker Stand M3201C Net Weight 21 1 kg 35 28 lbs Gross Weight 26 kg 46 08 lbs M3701C Net Weight 30 5 kg 35 28 lbs Gross Weight 36 4 kg 46 08 lbs M4201C Net Weight 44 kg 35 28 lbs Gross Weight 46 5 kg 46 08 lbs ...

Page 4: ... pen as this may result in damage to the panel Protect the module from the ESD as it may damage the electronic circuit C MOS Make certain that treatment person s body are grounded through wrist band Do not leave the module in high temperature and in areas of high humidity for a long time The module not be exposed to the direct sunlight Avoid contact with water as it may a short circuit within the ...

Page 5: ...eat sinks are correctly installed 8 Always connect the test receiver ground lead to the receiver chassis ground before connecting the test receiver positive lead Always remove the test receiver ground lead last 9 Use with this receiver only the test fixtures specified in this service manual CAUTION Do not connect the test fixture ground strap to any heat sink in this receiver Electrostatically Sen...

Page 6: ... by gently prying up on the lead with the soldering iron tip as the solder melts 2 Draw away the melted solder with an anti static suction type solder removal device or with solder braid before removing the IC Replacement 1 Carefully insert the replacement IC in the circuit board 2 Carefully bend each IC lead against the circuit foil pad and solder it 3 Clean the soldered areas with a small wire b...

Page 7: ... and carefully crimp it around the IC pin Solder the IC connection 4 Route the jumper wire along the path of the out away copper pattern and let it overlap the previously scraped end of the good copper pattern Solder the overlapped area and clip off any excess jumper wire At Other Connections Use the following technique to repair the defective copper pattern at connections other than IC Pins This ...

Page 8: ...V Lines 75 0 625 600 1 3 21 8 H Pixels 56 25 53 674 1048 800 32 64 152 800 x 600 V Lines 85 061 631 600 1 3 27 9 H Pixels 57 283 49 725 1152 832 32 64 224 832 x 624 V Lines 74 55 667 624 1 3 39 10 H Pixels 65 0 48 363 1344 1024 24 136 160 1024 x 768 V Lines 60 0 806 768 3 6 29 11 H Pixels 78 75 60 123 1312 1024 16 96 176 1024 x 768 V Lines 75 029 800 768 1 3 28 12 H Pixels 94 5 68 68 1376 1024 48 ...

Page 9: ... 50 00 HDTV 576p 5 1280 720 45 00 60 00 HDTV 720p 6 1280 720 37 5 50 HDTV 720p 7 1280 720 44 96 59 94 HDTV 720p 8 1920 1080 31 25 50 00 HDTV 1080i 50Hz Australia 9 1920 1080 33 75 60 00 HDTV 1080i 60Hz ATSC 10 1920 1080 33 72 59 94 HDTV 1080i 59 94Hz RGB DTV HDMI DVI DTV Input Resolution H freq kHz V freq Hz 1 480 60P 31 5 60 EDTV 480p 2 720 60P 45 60 HDTV 720p 3 1080 60i 33 75 60 HDTV 1080i 60Hz ...

Page 10: ...d I2S 18 432MHz X800 OUT1A OUT1B OUT2A OUT2B AV Audio OUT PC Audio IN Component Audio IN AV Audio IN CVBS CVBS OUT Component 1 2 IN Component 1 2 Y Pb Pr Component 1 2 Audio IN JK503 CVBS IN OUT JK514 CVBS IN OUT JK513 S Video JK506 JK512 JK511 JK510 27MHz X500 ICL3232C RS232C IC503 74HC14D Schmitt Trigger Inverter IC507 CM2021 ESD Protector AD8009 OP AMP LA7217M Video Sync Seperator LC FILTER TAS...

Page 11: ...mposed of TMDS receiver IC ANX9021_IC508 ESD protection diode CM2021_D526 D527 and peripheral devices TMDS receiver IC receives TMDS signal via ESD protection diode And it convert HDMI signal to digital RGB signal And it sends to scaler 5 RS 232C INPUT OUTPUT CIRCUIT This section is composed of RS 232C IC ICL3232C_IC503 and peripheral devices Computer and scaler micom was connected by RS 232C IC 6...

Page 12: ...data 2 Run alignment program for M3201C on the IBM compatible PC 3 Select EEPROM Analog EDID write command and Enter 4 This will write the Analog EDID data to EEPROM 2 DDC Data Write Procedure Digital 1 Use this procedure only when there is some problem on Digital EDID data 2 Run alignment program for M3201C on the IBM compatible PC 3 Select EEPROM Digital EDID write command and Enter 4 This will ...

Page 13: ...etup Windows 2000 XP Need to Port Setup This program is available to LCD Monitor only 1 Port Setup a Copy UserPort sys file to c WINNT system32 drivers folder b Run Userport exe c Remove all default number d Add 300 3FF e Click Start button f Click Exit button 2 EDID Read Write 1 Run WinEDID exe 2 Edit Week of Manufacture Year of Manufacture Serial Number a Input User Info Data b Click Update butt...

Page 14: ...odel chassis Cortez Version Software Version Panel Used Use time the Panel Area Option OPTION 1 OPTION 2 Not Use OPTION 3 OPTION 4 System Control 3 Debug Print Set up Power off History History Memory of Abnormal Fan Control Nothing The OSD is displayed when OK Key is pressed on Tool Option 1 in Service Menu Tool Option 1 MODULE Inch make factory Module change Cortez Version Fix SW Not change The O...

Page 15: ...the BlkLine Min BlkLine Max Sets the BlkLine Max Full Time Sets the Full time Original Time Sets the Original time The OSD is displayed when OK Key is pressed on System Control 2 in Service Menu System Control 2 System Sets the Color system mode OverScan Sets the Video Signal OverScan RS 232 Host Nothing Baud Rate Sets the RS 232 communication speed RS 232 Select Select the RS 232 communication AG...

Page 16: ... Sets Yes Fixed No Variable about whether the sound volume will be fixed to the current value or not Max Volume Sets the maximum volume within the range of 0 100 when volume control is allowed OSD Display Nothing Remote Control Operation Activates Yes Deactivates No remote control operation Local Key Operation Activates Yes Deactivates No local key operation Power On Operation Sets Yes Operation N...

Page 17: ...l Use Only TROUBLESHOOTING GUIDE 1 NO POWER NO POWER POWER INDICATOR OFF CHECK POWER BOARD CHECK P103 ST_5V NO Low CHECK POWER BOARD CHECK P103 PWR_ONOFF YES High 1 Check IC101 2 Check all Vcc of IC101 YES High NO Low YES YES High CHECK X801 CHECK X801 19 66MHz NO CHECK RESET IC CHECK IC306 SYS_RESET NO Low ...

Page 18: ...OT DISPLAYED NO RASTER OSD IS NOT DISPLAY CHECK THE PERIPHERALS OF IC101 CHECK IC101 OUTPUT WAVE NO CHECK WAFER CONNECTOR AND POWER BOARD CHECK INVERTER VOLTAGE 24V NO 1 CHECK INVERTER 2 CHECK T CON BOARD YES YES YES CHECK MODULE LINK CONNECTOR CHECK MODULE INPUT WAVE NO CHECK WAFER CONNECTOR AND POWER BOARD CHECK T CON VOLTAGE 12V NO YES ...

Page 19: ...O SIGNAL NO RASTER STATE ON VIDEO SIGNAL AV S VHS CHECK SIGNAL CABLE AND OUTPUT DEVICE CHECK INPUT JACK JK506 JK514 NO CHECK Vcc AND PERIPHERALS OF IC513 CHECK VIDEO SWITCH IC OUTPUT CXA2040AQ NO 1 CHECK IC101 2 CHECK Vcc OF IC101 3 CHECK PERIPHERALS OF IC101 YES YES CHECK Vcc AND PERIPHERALS OF IC509 CHECK SYNC DETECTOR OUTPUT LA7217M NO YES ...

Page 20: ...es LGE Internal Use Only 4 NO RASTER STATE ON RGB SIGNAL NO RASTER STATE ON RGB SIGNAL CHECK SIGNAL CABLE AND OUTPUT DEVICE CHECK INPUT JACK P503 NO CHECK Vcc AND PERIPHERALS OF IC507 CHECK SCHMITT TRIGGER I O SYNC IC507 NO 1 CHECK IC101 2 CHECK Vcc OF IC101 3 CHECK PERIPHERALS OF IC101 YES YES ...

Page 21: ...training and service purposes LGE Internal Use Only 5 NO RASTER STATE ON COMPONENT SIGNAL NO RASTER STATE ON COMPONENT SIGNAL CHECK SIGNAL CABLE AND OUTPUT DEVICE CHECK INPUT JACK JK510 JK511 JK512 NO 1 CHECK IC101 2 CHECK Vcc OF IC101 3 CHECK PERIPHERALS OF IC101 YES ...

Page 22: ...oses LGE Internal Use Only 6 NO RASTER STATE ON HDMI SIGNAL NO RASTER STATE ON HDMI SIGNAL CHECK SIGNAL CABLE AND OUTPUT DEVICE CHECK INPUT JACK JK501 NO 1 CHECK IC101 2 CHECK Vcc OF IC101 3 CHECK PERIPHERALS OF IC101 YES CHECK VCC AND PERIPHERALS OF IC508 CHECK HDMI RX IC OUT ANX9021 NO YES ...

Page 23: ... OUTPUT CHECK SIGNAL CABLE AND OUTPUT DEVICE CHECK INPUT JACK JK513 JK503 JK502 JK501 NO 1 CHECK SPEAKER 2 CHECK SPEAKER CONNECOTR YES CHECK VCC AND PERIPHERALS OF IC804 CHECK AUDIO PROCESSOR IC I O MPS4440K NO YES CHECK VCC AND PERIPHERALS OF IC805 CHECK AUDIO PROCESSOR IC OUT NTP2000 NO YES CHECK VCC AND PERIPHERALS OF IC802 CHECK AUDIO AMP OUT TAS5122 NO YES ...

Page 24: ...ight reserved Only for training and service purposes LGE Internal Use Only MAIN POWER LED CONTROL 15P 12P 12P 30P 5P 15P 10P 6631T20029C 6631T11020Z 6631T20041A 6631T25024D M3201C M3701C 6631900131A M4201C 6631T12006P 6631900092A WIRING DIAGRAM ...

Page 25: ...EXPLODED VIEW M3201C 25 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 010 050 060 020 070 090 120 080 100 030 040 110 130 ...

Page 26: ... Assembly Sub L3200TFC PB FREE LED P SW TOTAL BRAND LED LOGO 4951TKS198F Plate Assembly FRAME MAIN M3200C REFRESH 6709900016C SMPS AC DC LGLP2637HEP 90 0VTO264 0V 215W 47TO63HZ UL CSA SEMKO YY AT H E 33139L3017A Main Total Assembly M3200C BAFE BRAND CHAMELEON REFRESH 48159K0011A Plate Assembly REAR M3200C REFRESH 3550TKK635A Cover MOLD ABS L3200A STAND REAR 3551TKS056B Cover Assembly L3200A SPEAKE...

Page 27: ... 27 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only EXPLODED VIEW M3701C 010 020 030 040 110 110 120 050 060 080 070 090 100 130 ...

Page 28: ...2D PCB Assembly Sub L3700TC PB FREE LED P SW HAND BRAND L3700TC ONLY 4951TKS167E Plate Assembly FRAME MAIN M3700C REFRESH 6709900016D SMPS AC DC LGLP2637HEP 90 0VTO264 0V 215W 47TO63HZ UL CSA SEMKO YY AT HE 33139L3024A Main Total Assembly M3700C BAFE BRAND LW 61 4950TKG013A Plate PRESS SECC T0 8 REAR SHIELD NO PUNCHING 3551TKS053B Cover Assembly L3700 SPEAKER 3550TKS094A BLACK 3550TKK498B Cover MO...

Page 29: ... 29 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only EXPLODED VIEW M4201C 010 020 050 060 070 080 090 100 110 120 030 040 ...

Page 30: ...L3700TC PB FREE CONTROL TOTAL BRAND CL 70 WITHOUT COIL FOR CHAMELEON 6871TST928C PCB Assembly Sub L4200TC PB FREE LED P SW TOTAL BRAND 42INCH 46INCH 3551TKS050F Cover Assembly L4200A SPEAKER FRONT BLACK BACK PEARL BACK SP4200K 4951TKS241H Plate Assembly FRAME MAIN M4200C REFRESH 6709900017C SMPS YP4201 HDMI 90 0VTO264 0V 280W 47TO63HZ UL CSA TUV SEMKO 42 LCD 33139L4002A Main Total Assembly M4200C ...

Page 31: ...10TP16VC470M 470uF 20 16 DATE 2006 05 16 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C164 0CE107WF6DC MVK6 3TP16VC100M 100uF 20 1 C165 0CE477WF6DC MVK10TP16VC470M 470uF 20 16 C166 0CE477WF6DC MVK10TP16VC470M 470uF 20 16 C167 0CK104CK56A 0603B104K500CT 100nF 10 50V C169 0CE107WF6DC MVK6 3TP16VC100M 100uF 20 1 C171 0CK104CK56A 0603B104K500CT 100nF 10 50V C172 0CK104CK56A 0603B104K500CT 100nF 10 50...

Page 32: ...104K500CT 100nF 10 50V C334 0CK104CK56A 0603B104K500CT 100nF 10 50V C335 0CK104CK56A 0603B104K500CT 100nF 10 50V C336 0CK104CK56A 0603B104K500CT 100nF 10 50V DATE 2006 05 16 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C337 0CK104CK56A 0603B104K500CT 100nF 10 50V C338 0CK104CK56A 0603B104K500CT 100nF 10 50V C339 0CK104CK56A 0603B104K500CT 100nF 10 50V C340 0CK104CK56A 0603B104K500CT 100nF 10 50V ...

Page 33: ...K51A 0603B103K500CT 10nF 10 50V C471 0CK104CK56A 0603B104K500CT 100nF 10 50V C472 0CK103CK51A 0603B103K500CT 10nF 10 50V C473 0CK104CK56A 0603B104K500CT 100nF 10 50V DATE 2006 05 16 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C474 0CK103CK51A 0603B103K500CT 10nF 10 50V C475 0CK104CK56A 0603B104K500CT 100nF 10 50V C476 0CK103CK51A 0603B103K500CT 10nF 10 50V C477 0CK104CK56A 0603B104K500CT 100nF 1...

Page 34: ... 0603F105Z160CT 1uF 20TO 80 C835 0CK104CK56A 0603B104K500CT 100nF 10 50V C836 0CK333CK56A C1608X7R1H333KT 33nF 10 50V C837 0CK104CK56A 0603B104K500CT 100nF 10 50V DATE 2006 05 16 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C838 0CK103CK56A 0603B103K500CT 10nF 10 50V C839 0CK104CK56A 0603B104K500CT 100nF 10 50V C840 0CF4741L438 PCMT 365 76474 470nF 5 63V C841 0CE335VK6DC VGV335M050S0ANB010 3 3uF ...

Page 35: ... 6V 5 49TO5 73V 60 ZD517 0DZ560009DA UDZS5 6B 5 6V 5 49TO5 73V 60 ZD518 0DZ560009DA UDZS5 6B 5 6V 5 49TO5 73V 60 ZD519 0DZ560009DA UDZS5 6B 5 6V 5 49TO5 73V 60 ZD520 0DZ560009DA UDZS5 6B 5 6V 5 49TO5 73V 60 DATE 2006 05 16 S AL LOC NO PART NO DESCRIPTION SPECIFICATION ZD521 0DZ560009DA UDZS5 6B 5 6V 5 49TO5 73V 60 ZD522 0DZ560009DA UDZS5 6B 5 6V 5 49TO5 73V 60 ZD523 0DZ560009DA UDZS5 6B 5 6V 5 49T...

Page 36: ...G HH 1M3216 501JT 500OHM 3 2X1 L322 6210TCE001G HH 1M3216 501JT 500OHM 3 2X1 L500 0LCML00003B MLB 201209 0120P N2 120OHM 2 L501 0LCML00003B MLB 201209 0120P N2 120OHM 2 L502 6210TCE001G HH 1M3216 501JT 500OHM 3 2X1 L503 6210TCE001G HH 1M3216 501JT 500OHM 3 2X1 DATE 2006 05 16 S AL LOC NO PART NO DESCRIPTION SPECIFICATION L510 6210TCE001A HB 1S2012 080JT 8OHM 2X1 25X L511 6210TCE001Y HB 1H2012 320J...

Page 37: ...R03EZPJ220 22OHM 5 1 10W R365 0RJ0222D677 MCR03EZPJ220 22OHM 5 1 10W R368 0RJ0222D677 MCR03EZPJ220 22OHM 5 1 10W R369 0RJ0222D677 MCR03EZPJ220 22OHM 5 1 10W DATE 2006 05 16 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R371 0RJ0222D677 MCR03EZPJ220 22OHM 5 1 10W R372 0RJ0222D677 MCR03EZPJ220 22OHM 5 1 10W R375 0RJ0000D677 MCR03EZPJ000 0OHM 5 1 10W 1 R379 0RJ0332D677 MCR03EZPJ330 33OHM 5 1 10W R380...

Page 38: ...03EZPJ105 1MOHM 5 1 10W R562 0RJ0000D677 MCR03EZPJ000 0OHM 5 1 10W 1 R563 0RJ0332D677 MCR03EZPJ330 33OHM 5 1 10W R564 0RJ0332D677 MCR03EZPJ330 33OHM 5 1 10W DATE 2006 05 16 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R565 0RJ1002D677 MCR03EZPJ103 10KOHM 5 1 10W R566 0RJ1002D677 MCR03EZPJ103 10KOHM 5 1 10W R567 0RJ4701D677 MCR03EZPJ472 4 7KOHM 5 1 10 R568 0RJ0000D677 MCR03EZPJ000 0OHM 5 1 10W 1 R...

Page 39: ...R03EZPJ000 0OHM 5 1 10W 1 R854 0RJ0000D677 MCR03EZPJ000 0OHM 5 1 10W 1 R855 0RJ0221D677 MCR03EZPJ2R2 2 2OHM 5 1 10W R856 0RJ0101D677 MCR03EZPJ1R0 1OHM 5 1 10W 1 DATE 2006 05 16 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R857 0RJ0221D677 MCR03EZPJ2R2 2 2OHM 5 1 10W R864 0RJ1002D677 MCR03EZPJ103 10KOHM 5 1 10W R866 0RJ0221D677 MCR03EZPJ2R2 2 2OHM 5 1 10W R868 0RJ1000D677 MCR03EZPJ101 100OHM 5 1 1...

Page 40: ...1 10W R3 0RJ4701D677 MCR03EZPJ472 4 7KOHM 5 1 10 R4 0RJ4701D677 MCR03EZPJ472 4 7KOHM 5 1 10 R5 0RJ8200D677 MCR03EZPJ821 820OHM 5 1 10W R6 0RJ8200D677 MCR03EZPJ821 820OHM 5 1 10W R7 0RJ1501D677 MCR03EZPJ152 1 5KOHM 5 1 10 R8 0RJ1501D677 MCR03EZPJ152 1 5KOHM 5 1 10 R9 0RJ2001D677 MCR03EZPJ202 2KOHM 5 1 10W ZD1 0DZ560009DA UDZS5 6B 5 6V 5 49TO5 73V 60 ZD2 0DZ560009DA UDZS5 6B 5 6V 5 49TO5 73V 60 ZD4 ...

Page 41: ...mA 360 M3201C M3701C LED804 0DLNC0058AA NSCW215T WHITE 4 0V 30mA 360 M3201C M3701C LED805 0DLNC0058AA NSCW215T WHITE 4 0V 30mA 360 M3201C M3701C LED806 0DLNC0058AA NSCW215T WHITE 4 0V 30mA 360 M3201C M3701C LED807 0DLNC0058AA NSCW215T WHITE 4 0V 30mA 360 M3201C M3701C LED808 0DLNC0058AA NSCW215T WHITE 4 0V 30mA 360 M3201C M3701C LED809 0DLNC0058AA NSCW215T WHITE 4 0V 30mA 360 M3201C M3701C LED810 ...

Page 42: ...SCHEMATIC DIAGRAM 42 1 MAIN Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 43: ... 43 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 LOGO M3201C ...

Page 44: ... 44 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 LOGO M3701C ...

Page 45: ... 45 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 LOGO M4201C ...

Page 46: ... 46 3 KEY CONTROL Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 47: ...May 2006 P NO MFL36713630 Printed in Korea ...

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