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LG Flatron L3200A, Service Manual

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LG Flatron L3200A Service Manual Download Page 17

- 17 -

3. NO RASTER ON VIDEO SIGNAL INPUT

NO RASTER ON VIDEO SIGNAL

CHECK CABLE OF

VIDEO/COMPONENT

CHECK THE PERIPHERAL

UPD64011(U904)

CHECK THE PERIPHERAL IC

OF UPD64011, MDIN150 SDRAM

CHECK THE PERIPHERAL IC

OF GM1501(U402)

CHECK UPD64011(U904)I/O SIGNAL

CHECK MDIN150(U901) AND

SDRAM(U902) I/O SIGNAL

CHECK GM1501(U402)AND

SDRAM(U401)

POWER CHECK OF CXA2040(U201) : U204(9V)

POWER CHECK OF UPD64011(U904) : U905(3.3V), U906(1.5V)

POWER CHECK OF MDIN150(U901) : U907(3.3V), U908(2.5V)

POWER CHECK OF GM1501(U402) 

NO INPUT SIGNAL

NO OUTPUT SIGNAL

NO INPUT SIGNAL

NO OUTPUT SIGNAL

NO INPUT SIGNAL

YES

YES

Summary of Contents for Flatron L3200A

Page 1: ...e com E mail http www LGEservice com techsup html CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NO CL 70 MODEL L3200A L3200AC AL A L3200A L3200ATC AL A L3200A L3200AFC AL A L3200A L3200AKC AL A Same model for Service ...

Page 2: ...ync Level Input 0 286V 3 Color Burst Input 0 214V 4 Audio Level NTSC Input 0 40V PAL Input 0 5V PC Input 0 7V 5 Video Cross Talk 43dB 5 POWER SUPPLY 5 1 Power Adaptor Input AC 100 240V 50 60Hz 2 8A 5 2 Power Consumption 6 ENVIRONMENT 6 1 Operating Temperature 10 C 35 C 6 2 Operating Humidity 10 80 6 3 MTBF 50 000 HRS with 90 Confidence level Lamp Life 50 000 Hours Min 7 DIMENSIONS L3200AC L3200AKC...

Page 3: ...e 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 module If the surface of panel become dirty please wipe i...

Page 4: ...st 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 Sensitive ES Devices Some semiconductor solid state devices ...

Page 5: ...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 bristle brush It is not necessary to reapply acrylic coati...

Page 6: ...onnection 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 technique involves the installation of a jumper wire on t...

Page 7: ...nes 60 317 628 600 1 4 23 7 H Pixels 49 5 46 875 1056 800 16 80 160 800 x 600 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...

Page 8: ...16 96 48 SDTV V Lines 59 94 525 480 10 2 33 480P 2 H Pixels 27 027 31 5 858 720 16 62 60 HDTV V Lines 60 525 480 10 2 33 720P HDCP 3 H Pixels 74 176 44 955 1650 1280 70 40 260 HDTV V Lines 59 94 750 720 5 5 60 720P HDCP 4 H Pixels 74 250 33 750 2200 1920 44 44 192 HDTV V Lines 60 053 562 540 2 5 15 1080I HDCP 5 H Pixels 74 176 33 716 2200 1920 44 44 192 HTDV V Lines 59 994 562 540 2 5 15 1080I HDC...

Page 9: ... 24 bit HD YPbPr Dsub H V HS VS ADC H V CLK OUT DDC_SCLA DDC_SDAA DDC_SCLB DDC_SDAB SCL SDA SCL SDA CVBS OUT 1 S W CXA2040AQ De interlace 1 MDIN150 SDRAM M56V16160F ADC 1 MST9883C HD YCbCr CVBS OUT 1 Y OUT LPF SIF from Tuner 1 CVBS TTX Audio Decoder MSP3420G MIX IC EX256 Video Decoder UPD64011 uPD HS VS ITUR601 16Bit CLK 13 5MHz CC V chip M37272M6 VCHIP SCL VCHIP SDA HS VS CLK_OUT 13 5MHz ITUR 601...

Page 10: ...02 and peripheral devices The function of the audio amplifier is that to amplify audio L R signal transmitted from audio decoder The audio signal is amplified according to pre defined DC volume control curve 6 De interlacer This block is composed of MDIN150 U901 and peripheral devices GM1501 U402 controls this IC through IIC Line And this IC converts 16 Bit Interlaced Y UV signal to De interlaced ...

Page 11: ...ible 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 L3200TC on the IBM compatible PC 3 Select EEPROM Digital EDID write command and Enter 4 This will write the Digital EDID data to EEPROM RS 232C EXT 220 IB...

Page 12: ...vailable 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 button c Click Write button ...

Page 13: ...OM reset and use Default Data WB Adjust Adjusts the white balance Aging Mode Sets the aging mode User OFF Model Select Use the sizes Model change TV AV TV Model AV Model change Contry Option Chooses a country CNN Use the CNN Option only CNN version ON Resolution Adjusts the picture resolution AI Function built in panel Hotel Mode Enters with the menu which sets a hotel mode SVC Display Color of vi...

Page 14: ...HECK J601 VOLTAGE 18V 12V 5V NO NO NO NO CHECK POWER BOARD CHECK J602 VOLTAGE 24V 33V CHECK KEY CONTROL BOARD YES YES YES YES CHECK X401 CHECK X401 14 318MHz CHECK MICOM U402 SUB POWER PORT R634 CHECK J601 SUB POWER 1 2 3 4 6 7 5 1 3 Waveforms 1 3 Waveforms J601 18V J601 12V J601 5V 2 2 ...

Page 15: ... 15 4 5 6 7 Waveforms J602 24V J602 33V X401 14 318MHz J601 ...

Page 16: ...DISPLAYED NO RASTER OSD IS NOT DISPLAYED CHECK U402 NO CHECK THE PERIPHERAL J802 CHECK LVDS OUTPUT J802 CHECK INVERTER YES CHECK U607 AND THE PERIPHERAL IC U607 CHECK INVERTER POWER J606 J607 YES YES CHECK THE PERIPHERAL IC U402 ...

Page 17: ...E PERIPHERAL IC OF GM1501 U402 CHECK UPD64011 U904 I O SIGNAL CHECK MDIN150 U901 AND SDRAM U902 I O SIGNAL CHECK GM1501 U402 AND SDRAM U401 POWER CHECK OF CXA2040 U201 U204 9V POWER CHECK OF UPD64011 U904 U905 3 3V U906 1 5V POWER CHECK OF MDIN150 U901 U907 3 3V U908 2 5V POWER CHECK OF GM1501 U402 NO INPUT SIGNAL NO OUTPUT SIGNAL NO INPUT SIGNAL NO OUTPUT SIGNAL NO INPUT SIGNAL YES YES ...

Page 18: ...NECTION OF SPEAKER ON MONITOR CHECK SOUND INPUT PC SOUND J707 VIDEO DVD DTV SOUND RED WHITE OF J701 J702 CHECK THE PERIPHERAL IC OF MSP3420G U501 CHECK MSP3420G U501 I O SIGNAL CHECK TPA3004 U502 I O SIGNAL CONNECTOR CHECK POWER CHECK OF MSP3420G U501 U522 8V L501 5V L505 5V POWER CHECK OF TPA3004 U502 C564 18V NO OUTPUT SIGNAL NO OUTPUT SIGNAL NO INPUT SIGNAL NO INPUT SIGNAL NO INPUT SIGNAL YES Y...

Page 19: ... IC OF GM1501 U402 CHECK THE PERIPHERAL IC OF GM1501 U402 CHECK THE PERIPHERAL IC OF D SUB J101 CHECK ADC I O SIGNAL IN GM1501 U402 CHECK GM1501 U402 I O SIGNAL CHECK LVDS I O SIGNAL POWER CHECK OF GM1501 U402 POWER CHECK OF LVDS OUTPUT J802 NO OUTPUT SIGNAL NO INPUT SIGNAL NO OUTPUT SIGNAL NO INPUT SIGNAL NO OUTPUT SIGNAL NO INPUT SIGNAL YES YES ...

Page 20: ...NNECTOR J102 CHECK CHECK THE PERIPHERAL IC OF GM1501 U402 CHECK THE PERIPHERAL IC OF GM1501 U402 CHECK GM1501 U402 I O SIGNAL CHECK LVDS I O SIGNAL POWER CHECK OF GM1501 U402 POWER CHECK OF LVDS OUTPUT J802 NO OUTPUT SIGNAL NO OUTPUT SIGNAL NO INPUT SIGNAL NO INPUT SIGNAL YES ...

Page 21: ...J608 J502 J402 15P 12P 12P 4P 15P 9P 10P Connector Ass y P N 6631T11012Q Connector Ass y P N 6631T25019G Connector Ass y P N 6631T20032H Connector Ass y P N 6631T20032H Connector Ass y P N 6631T25024D Connector Ass y P N 6631T20029G Connector Ass y P N 6631T20029C WIRING DIAGRAM ...

Page 22: ... 22 EXPLODED VIEW 010 050 060 020 070 090 130 080 100 030 110 140 150 170 040 160 120 ...

Page 23: ...R LPL 3313TL3018A MAIN TOTAL ASSEMBLY L3200AC AV BRAND CL 70 4814TKK286A SHIELD REAR _SHIELD_L3200A 3551TKK548A COVER ASSEMBLY L3200A REAR 3550TKK632 DECO COVER Only L3200ATC L3200AFC 3550TKK635A COVER L3200A STAND REAR Only L3200ATC L3200AFC 3551TKS056A COVER ASSEMBLY L3200A SPEAKER 3550TKS103 32INCH SPEAKER Only L3200AFC 6850TD9001J CABLE D SUB UL 2990 9C 7 5 DT 1870MM PEARL WH T541K DM SILVER S...

Page 24: ...NO PART NO DESCRIPTION SPECIFICATION C222 0CE335VK6DC 3 3UF MV 50V 20 R TP SMD S C225 0CH8336H611 33UF 25V M 85STD CYL R TP C226 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y C227 0CE225VK6DC 2 2UF MV 50V 20 R TP SMD S C228 0CE225VK6DC 2 2UF MV 50V 20 R TP SMD S C229 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C231 0CH6680K416 68PF 50V J NP0 2012 R TP C233 0CE227VF6DC 220UF MV 16V 20 R TP SMD S C234 0CK103CK...

Page 25: ...1608 25V 80 20 R T C5013 0CK474CH94A 0 47UF 1608 25V 80 20 R T C5014 0CK474CH94A 0 47UF 1608 25V 80 20 R T DATE 2005 05 19 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C5015 0CH8106F691 10UF 16V 20 105STD CYL R C5019 0CH8106F691 10UF 16V 20 105STD CYL R C502 0CK224CF56A 0 22UF 1608 16V 10 R TP X7R C5020 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y C5022 0CK474CH94A 0 47UF 1608 25V 80 20 R T C503 0CC10...

Page 26: ... SMD S C664 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C666 0CH8226F691 22UF 16V 20 105STD CYL R DATE 2005 05 19 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C667 0CH8226F691 22UF 16V 20 105STD CYL R C669 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C671 0CE107WF6DC 100UF MVK 16V 20 R TP SMD C672 0CE227VF6DC 220UF MV 16V 20 R TP SMD S C673 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C677 0CH3103K516 10000PF 50V...

Page 27: ...V 20 105STD CYL R C979 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C980 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C981 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP DATE 2005 05 19 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C982 0CE337WF6DC 330UF MVK 16V 20 R TP SMD C983 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C984 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C985 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C986 0CH3104K...

Page 28: ... S AL LOC NO PART NO DESCRIPTION SPECIFICATION L512 6140TBZ007E SLF12575T 330M3R2 TDK SMD CH L513 6140TBZ007E SLF12575T 330M3R2 TDK SMD CH L514 6140TBZ007E SLF12575T 330M3R2 TDK SMD CH L22 6210TCE001P HB 1S2012 121JT CERATECH 201 L23 6210TCE001P HB 1S2012 121JT CERATECH 201 L401 6210TCE001H HB 1T2012 301JT CERATEC 2012 L402 6210TCE001H HB 1T2012 301JT CERATEC 2012 L403 6210TCE001H HB 1T2012 301JT ...

Page 29: ...KEC Q902 0TR150400BA CHIP 2SA1504S ASY BK KEC Q903 0TR150400BA CHIP 2SA1504S ASY BK KEC Q904 0TR150400BA CHIP 2SA1504S ASY BK KEC DATE 2005 05 19 S AL LOC NO PART NO DESCRIPTION SPECIFICATION U601 0TFVI80023A VISHAY SI3865DV R TP TSOP 6 U602 0TFVI80023A VISHAY SI3865DV R TP TSOP 6 U603 0TFIR80009B IRF7316 INTERNATIONAL RECTIF U607 0TFFC80009A FAIRCHILD FDC6326L R TP SOT L708 0RH0000D622 0 OHM 1 10...

Page 30: ... OHM 1 10 W 5 1608 R TP R271 0RJ3000D677 300 OHM 1 10 W 5 1608 R TP R272 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP DATE 2005 05 19 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R273 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R274 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R275 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R276 0RJ4700D677 470 OHM 1 10 W 5 1608 R TP R277 0RJ4700D677 470 OHM 1 10 W 5 1608 R TP R278 0...

Page 31: ...R509 0RJ1001D677 1K OHM 1 10 W 5 1608 R TP R510 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP DATE 2005 05 19 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R511 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R512 0RJ1001D677 1K OHM 1 10 W 5 1608 R TP R514 0RJ1001D677 1K OHM 1 10 W 5 1608 R TP R519 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R521 0RJ3302D677 33K OHM 1 10 W 5 1608 R TP R522 0RJ1001D677 1K OHM 1 10 W 5 16...

Page 32: ...10 W 5 1608 R TP R919 0RJ3300D677 330 OHM 1 10 W 5 1608 R TP DATE 2005 05 19 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R920 0RJ4700D677 470 OHM 1 10 W 5 1608 R TP R924 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R925 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R926 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R927 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R928 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R931 0RH0000D62...

Page 33: ... W 2012 5 00 R1 0RJ0562D677 56 OHM 1 10 W 5 1608 R TP R10 0RJ2001D677 2K OHM 1 10 W 5 1608 R TP R2 0RJ0562D677 56 OHM 1 10 W 5 1608 R TP R3 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R4 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R5 0RJ8200D677 820 OHM 1 10 W 5 1608 R TP DATE 2005 05 19 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R6 0RJ8200D677 820 OHM 1 10 W 5 1608 R TP R7 0RJ1501D677 1 5K OHM 1 10 W ...

Page 34: ...SCHEMATIC DIAGRAM 34 1 D SUB DVI D INPUT ...

Page 35: ... 35 2 VIDEO SWITCH CXA2040 TUNER TV OPTION ...

Page 36: ... 36 3 MST9883 ...

Page 37: ... 37 4 SCALER GM1601 6 X401 6 ...

Page 38: ... 38 5 AUDIO CTL AMP RS232 TUNER ...

Page 39: ...J601 5V 3 39 6 POWER CONNECTOR J601 18V 1 J601 12V 2 1 2 3 ...

Page 40: ... 40 6 POWER CONNECTOR J602 24V 4 J602 33V 5 J601 7 7 4 5 ...

Page 41: ... 41 7 A V IN OUT JACK ...

Page 42: ... 42 8 MDIN150 UPD64011A MEMORY ...

Page 43: ... 43 9 EX256 V CHIP M37272M6 ...

Page 44: ...May 2005 P NO 3828TSL093P Printed in Korea ...

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