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2. NO RASTER : [B] Process

Check LED status

On Display Unit.

Fail

Repeat A PROCESS.

Fail

Check Panel Link Cable

or Module.

Change Panel Link Cable
or Module.

Check Inverter

Connector or inverter.

Change Inverter Connector
or Inverter.

Change IC100

Check Output

of R305

Check the LVDS Output

of IC100

Check Input source Cable

and Jack.

Change Module.

Change R305

Pass

Pass

Pass

Pass

Pass

Fail

Fail

Fail

Fail

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Содержание Flatron M198WA

Страница 1: ...SERVICE MANUAL Website http biz LGservice com CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NO LP69G MODEL M198WA M198WA BMH A MLP M228WA M228WA BMH A MLP Same model for Service ...

Страница 2: ... 2 CONTENTS CONTENTS 2 PRECAUTION 3 SPECIFICATION 7 DISASSEMBLY 14 ADJUSTMENT 16 SERVICE OSD 22 TROUBLE SHOOTING 23 BLOCK DIAGRAM 29 EXPLODED VIEW 32 REPLACEMENT PARTS LIST 34 SVC SHEET ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 7: ... 3 1 Performance LGE test method followed 3 2 Demanded other specification Safety CE IEC Specification EMC CE IEC SPECIFICATION NOTE Specifications and others are subject to change without notice for improvement 4 1 General Specification 4 1 1 TV 4 General Specification TV No Item Specification Remark 1 Video input applicable system NTSC NTSC 4 43 2 Receivable Broadcasting System PAL N M NTSC M CH...

Страница 8: ...og Max 1440 x 900 75Hz Recommend 1440 x 900 60Hz Digital Max 1440 x 900 60Hz Recommend 1440 x 900 60Hz Resolution M228WA Analog Max 1680 x 1050 60Hz Recommend 1680 x 1050 60Hz Digital Max 1680 x 1050 60Hz Recommend 1680 x 1050 60Hz 4 Input Voltage Voltage 100 240 Vac 50 or 60Hz 5 Inrush Current Cold Start 50 A Hot 120 A 6 Operating Condition Sync H V Video LED Wattage Power S W On On mode On On Ac...

Страница 9: ...00K Gy 0 615 White BLUE Bx 0 146 100 IRE By 0 068 WHITE Wx 0 285 Wy 0 293 In AV Component TV input RED Rx 0 639 Ry 0 342 PSM Dynamic GREEN Gx 0 297 CSM Cool Gy 0 615 White BLUE Bx 0 146 85 IRE By 0 068 Typ 0 03 Typ 0 015 Typ 0 03 Typ 0 015 No Item Min Typ Max Unit Remark 1 Type TFT Color LCD Module 2 Active Display area 473 76 H x 296 1 V mm 3 Outline dimension 493 7 H x 320 1 V x16 5 D mm Typ 4 P...

Страница 10: ... 285 Wy 0 293 In AV Component TV input RED Rx 0 635 Ry 0 342 PSM Dynamic GREEN Gx 0 292 CSM Cool Gy 0 611 White BLUE Bx 0 147 85 IRE By 0 070 Typ 0 03 Typ 0 015 Typ 0 03 Typ 0 015 4 4 Model Specification No Item Specification Remark 1 Market CHILE 2 Broadcasting system PAL N M NTSC M 3 RF Input Channel VHF 2 13 UHF 14 69 NTSC CATV 1 125 4 CVBS Input 1EA PAL N M NTSC 3 System Rear PAL50 60 NTSC 5 S...

Страница 11: ...480 15 75 60 00 13 514 480i 3 720 576 15 625 50 00 13 500 576i 4 720 480 31 47 59 94 27 000 480P 5 720 480 31 50 60 00 27 027 480P 6 720 576 31 25 50 00 27 000 576P 7 1280 720 44 96 59 94 74 176 720P 8 1280 720 45 00 60 00 74 250 720P 9 1280 720 37 50 50 00 74 25 720P 10 1920 1080 33 72 59 94 74 176 1080i 11 1920 1080 33 75 60 00 74 250 1080i 12 1920 1080 28 125 50 00 74 250 1080i M228WA No Resolu...

Страница 12: ... 480P 2 720 480 31 50 60 00 27 027 480P 3 720 576 31 25 50 00 27 000 576P 4 1280 720 37 5 50 00 74 250 720P 5 1280 720 44 96 59 94 74 176 720P 6 1280 720 45 00 60 00 74 250 720P 7 1920 1080 33 72 59 94 74 176 1080i 8 1920 1080 33 75 60 00 74 250 1080i 9 1920 1080 28 125 50 00 74 250 1080i 7 RGB input DTV M228WA No Resolution H freq kHz V freq Hz Pixel clock MHz 1 720 400 31 468 70 08 28 321 2 640 ...

Страница 13: ...9 94 27 000 480P 2 720 480 31 50 60 00 27 027 480P 3 720 576 31 25 50 00 27 000 576P 4 1280 720 37 5 50 00 74 250 720P 5 1280 720 44 96 59 94 74 176 720P 6 1280 720 45 00 60 00 74 250 720P 7 1920 1080 33 72 59 94 74 176 1080i 8 1920 1080 33 75 60 00 74 250 1080i 9 1920 1080 28 125 50 00 74 250 1080i ...

Страница 14: ...ush the cable management like above fig Downward Disassembly the Cable management with pulling it upward 3 Disassembly Cable Holder Disassembly Stand base Remove base body Like a picture Push 2 letches Like a picture Push the button Hold the stand base 1 4 2 5 3 6 ...

Страница 15: ... 15 7 9 8 10 Pull base body to separate from set during pressing 2 letches Remove the screws 11 Pull the connector Disassembly back cover 1 Remove the screws 2 Disassembly Hinge Cover ...

Страница 16: ...oad file XXXX bin by clicking Read 5 Click Auto tab and set as below 6 click Run 7 After downloading check OK message 3 2 ADC Process If a scaler IC changed for PCB repairing it is need to do ADC process at all times 1 PC input ADC 1 Auto RGB Gain Offset Adjustment Convert to PC in Input source Signal equipment displays Output Voltage 700 mVp p Impress Resolution XGA 1024 x 768 60Hz Model 60 in Pa...

Страница 17: ... 0 313 0 03 y 0 329 0 03 or not Confirm whether luminance 180 50 cd m2 4 3 Confirm color coordinate of AV 1 Set Input to AV 2 Input signal CVBS NTSC 60Hz Full white 216 255 gray level 85 IRE Model 202 Pattern 78 at MSPG925L 3 Set PSM Dynamic CSM Cool 4 Confirm whether x 0 285 0 03 y 0 293 0 03 or not 4 4 Confirm color coordinate of component 1 Set Input to COMPONENT 2 Input signal 480P Full white ...

Страница 18: ...c 1 M198WA EDID DATA 1 ANALOG DATA 128Byte 2 DIGITAL DATA 256Byte 2 M208WA EDID DATA 1 ANALOG DATA 128Byte 2 DIGITAL DATA 256Byte 3 M228WA EDID DATA 1 ANALOG DATA 128Byte 2 DIGITAL DATA 256Byte 4 9 HDCP SETTING High Bandwidth Digital Contents Protection 1 Connect D sub Signal Cable to D Sub Jack 2 Input HDCP key with HDCP key in program 3 HDCP Key value is stored on EEPROM AT24C64 which is E00 F20...

Страница 19: ...E 0 0 EEPROM Write Protection On 1 EEPROM Write Protection Off 3 CHANNEL MUTE 1 RAM Delay 1 Clock Phase 7 2 DQS0 Phase 2 3 DQS1 Phase 2 4 DQS2 Phase 2 5 DQS3 Phase 2 Power Off History 1 Last Power 0 2 Remocon 0 3 Key 0 4 Sleep Timer 0 5 RS232 0 6 Off Timer 0 7 Auto Off 0 8 2Hour Off 0 9 Reset 0 ETC 1 DFC Control 1 2 Exit Key 0 3 PWM DIM 255 4 Dimming Ctl 255 5 DEBUG ON 0 6 UART ON 3 7 AGC TAKEOVER...

Страница 20: ... EEPROM ALL INIT E4 00 00 EEPROM All clear EEPROM Read E7 00 00 EEPROM Read EEPROM Write E8 00 data EEPROM Write by some values COLOR SAVE R G B cutoff Drive EB 00 00 Color Save Contrast Bright H POSITION 20 00 00 100 They have different range V POSITION 30 00 00 100 each mode FOS Adjustment CLOCK 90 00 00 100 PHASE 92 00 00 100 R DRIVE 16 00 00 FF Drive adjustment G DRIVE 18 00 00 FF B DRIVE 1A 0...

Страница 21: ... 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 button c Click Write button ...

Страница 22: ...ion S Am 2HR OFF 1 FACTORY MODE 0 CHANNEL MUTE 1 RAM Delay ETC BLUEBIRD3 LP69G Version 3 00 070502 UTT M198WA WXGA LPL 19W 0 Power Off History Tool Option 7810 Area Option S Am 2HR OFF 1 FACTORY MODE 0 CHANNEL MUTE 1 RAM Delay ETC BLUEBIRD3 LP69G Version 3 00 070502 UTT M198WA WSXGA LPL 22W 0 Power Off History Description of operation Tool Option Adjust Tool Option Area Option Adjust Area Option S...

Страница 23: ...ge defect part of IC100 Q307 Change IC1100 IC1101 Change IC1102 IC1103 Check Output of IC1102 IC1103 Check short of IC100 TU600 IC500 Re soldering of Change defect part of IC100 TU600 IC500 Change IC1104 IC1105 Change LED Assy Check Output of IC1104 IC1105 Check LED Assy Check P304 Connector Check short of IC100 IC400 Re soldering of Change defect part of IC100 IC400 Fail Fail Fail Fail Fail Fail ...

Страница 24: ...Link Cable or Module Change Panel Link Cable or Module Check Inverter Connector or inverter Change Inverter Connector or Inverter Change IC100 Check Output of R305 Check the LVDS Output of IC100 Check Input source Cable and Jack Change Module Change R305 Pass Pass Pass Pass Pass Fail Fail Fail Fail ...

Страница 25: ...ut of R708 R709 Fail Check the J701 Fail Fail Re soldering or change the defect part Check the X100 Check the input output of R128 R131 R136 Check the input output of IC100 Check input source cable and jack Re soldering or Change the defect part Pass Pass Pass Pass X100 ...

Страница 26: ...he input output of R901 Fail Check the J900 Fail Pass Re soldering or change the defect part Check the X100 Check the input output of R125 Check the input output of IC100 Check input source cable and jack Re soldering or Change the defect part Pass Pass Fail X100 ...

Страница 27: ...t in Video S Video Signal 7 No Rasteron TV RF Signal Check input source cable and jack Repeat A B process Fail Check short of IC100 Q307 Fail Fail Fail Pass Check 5V of TU600 Re Soldering or change the defect part Check the input output of L804 L1002 L1003 L1004 Change L804 L1002 L1003 L1004 Check Output of IC1104 IC1105 Re soldering of Change defect part Check the X100 Pass Pass Pass Pass Pass X1...

Страница 28: ...he source input Check input Output ofIC100 Pass Re soldering of Change the defect part Check the X100 Check the input output of IC500 Re soldering of Change the defect part Check the Speaker Check the Speaker wire Change Speaker Pass Pass Fail Fail Fail X100 ...

Страница 29: ...31 FSA 0 11 Y Pb Pr 4Mb Serial Flash Memory MX25L4005A Data OCMD 0 7 OCMA 0 19 Analog Signal R G B H V TMDS Signal COMP PC Audio COMP Audio CVBS Audio EEPROM D SUB EEPROM Tuner TAFT Z003D CVBS SIF L R LVDS Signal L R Scaler Video Decorder LGE9689 9789AD LF L R L R INPUT MENU OK VOL PR POWER IR EAGLE EYE BLOCK DIAGRAM ...

Страница 30: ...al On decoding We can control signal like Contrast Brightness Sharpness Color tint signals including Adaptive Comb Filter 2 Audio Signal This block analyzes audio input signal through A V Jack and PC audio and Tuner IF The analyzed signals transmitted to audio amplifier YDA138 On decoding We can control signal like Bass treble 4 Flash Memory MX25L4005A This is composed of MX25L4005A This store the...

Страница 31: ...a bridge rectifier and a bulk capacitor 3 Energy Transfer This part function is for transfer the primary energy to secondary through a power transformer 4 Output rectifier and filter This part function is to make a pulse width modulation control and to provide the driver signal to power switch to adjust the duty cycle during different AC input and output loading condition to achieve the dcoutput s...

Страница 32: ...EXPLODED VIEW 32 300 200 120 510 320 330 500 310 520 420 430 530 410 400 940 900 950 910 930 920 ...

Страница 33: ...8064 Frame Assembly M228WA BTH LP69G BB3 ETC METAL FRAME ASSY M228WA BB3 NON EU 420 MEY35721301 Knob MOLD ABS HF 350 SUB 7KEY M198W M198W TACT KNOB BK 430 MGJ35722501 Plate Shield PRESS SBHG 0 6T FRAME EGI M198W LAMP WIRE SHIELD 0 6T 500 EBR35410101 PCB Assembly Sub LED P SW T T LP69G M198WA M208WA M228WA AEUGLPX BRAND 510 6871TPT318G PCB Assembly Power PLLM M602C POWER T T CMO L225W 22 Wide Scale...

Страница 34: ...G5 0TP25VB47 C1125 0CE107WF6DC Capacitor AL ChipMVK6 3TP16VC100M C1126 0CE227WF6DC Capacitor AL ChipMVK8 0TP16VC220M C1127 0CK104CK56A Capacitor Ceramic Chip0603B104K50 C1128 0CK104CK56A Capacitor Ceramic Chip0603B104K50 C1129 0CE227WF6DC Capacitor AL ChipMVK8 0TP16VC220M C1130 0CK104CK56A Capacitor Ceramic Chip0603B104K50 C1133 0CK104CK56A Capacitor Ceramic Chip0603B104K50 C114 0CK104CK56A Capaci...

Страница 35: ...02 0CK104CK56A Capacitor Ceramic Chip0603B104K50 C204 0CK104CK56A Capacitor Ceramic Chip0603B104K50 C205 0CK104CK56A Capacitor Ceramic Chip0603B104K50 C301 0CE107WF6DC Capacitor AL ChipMVK6 3TP16VC100M C302 0CK103CK56A Capacitor Ceramic Chip0603B103K50 C303 0CC101CK41A Capacitor Ceramic ChipC1608C0G1H1 C304 0CC101CK41A Capacitor Ceramic ChipC1608C0G1H1 C305 0CC101CK41A Capacitor Ceramic ChipC1608C...

Страница 36: ...V 85V 30 D710 0DS226009AA Diode SwitchingKDS226 1 2V 85V 30 D711 0DS226009AA Diode SwitchingKDS226 1 2V 85V 30 D712 0DSON00138A Diode SchottkyMMBD301LT1G 600MV 3 D713 0DSON00138A Diode SchottkyMMBD301LT1G 600MV 3 D714 0DD184009AA Diode AssemblyKDS184 KDS184 TP KE D715 0DD184009AA Diode AssemblyKDS184 KDS184 TP KE ZD1000 0DZ560009GB Diode ZenerBZT52C5V6S F 5 6V 5 ZD1005 0DZ560009GB Diode ZenerBZT52...

Страница 37: ...or ArrayRCA86TRJ100R 100OHM R1000 0RJ0752D477 Resistor ChipMCR03EZPF750 75OHM 1 R1001 0RJ0752D477 Resistor ChipMCR03EZPF750 75OHM 1 R1002 0RJ4703D677 Resistor ChipMCR03EZPJ474 470KOHM R1003 0RJ4703D677 Resistor ChipMCR03EZPJ474 470KOHM R1004 0RJ4703D677 Resistor ChipMCR03EZPJ474 470KOHM R1005 0RJ0752D477 Resistor ChipMCR03EZPF750 75OHM 1 R1006 0RJ1502D677 Resistor ChipMCR03EZPJ153 15KOHM R1007 0RJ...

Страница 38: ...91 0RJ1000D677 Resistor ChipMCR03EZPJ101 100OHM R192 0RJ1000D677 Resistor ChipMCR03EZPJ101 100OHM R193 0RJ1000D677 Resistor ChipMCR03EZPJ101 100OHM R194 0RJ1000D677 Resistor ChipMCR03EZPJ101 100OHM R196 0RJ1000D677 Resistor ChipMCR03EZPJ101 100OHM R198 0RJ0332D677 Resistor ChipMCR03EZPJ330 33OHM 5 R201 0RJ0332D677 Resistor ChipMCR03EZPJ330 33OHM 5 R202 0RJ1000D677 Resistor ChipMCR03EZPJ101 100OHM ...

Страница 39: ...J472 4 7KOHM R702 0RJ4701D677 Resistor ChipMCR03EZPJ472 4 7KOHM R703 0RJ0332D677 Resistor ChipMCR03EZPJ330 33OHM 5 R704 0RJ0332D677 Resistor ChipMCR03EZPJ330 33OHM 5 R705 0RJ0332D677 Resistor ChipMCR03EZPJ330 33OHM 5 R706 0RJ0332D677 Resistor ChipMCR03EZPJ330 33OHM 5 R707 0RJ0000D677 Resistor ChipMCR03EZPJ000 0OHM 5 R708 0RJ0682D677 Resistor ChipMCR03EZPJ680 68OHM 5 R709 0RJ0682D677 Resistor ChipM...

Страница 40: ...PB205K 1C1P 15VDC 0 SW4003 140 058B Switch TactEVQPB205K 1C1P 15VDC 0 SW4004 140 058B Switch TactEVQPB205K 1C1P 15VDC 0 SW4005 140 058B Switch TactEVQPB205K 1C1P 15VDC 0 SW4006 140 058B Switch TactEVQPB205K 1C1P 15VDC 0 B1 MAY36479301 BoxBOX SW 508 141 410 2 COLOR M19 IC102 SAA30949101 S W Firmware3 00 9614 CENTRAL AND IC2001 6712SCA232A Receiver ModuleTSOP34838SO1 2 7TO LED2001 0DLGP0080AA LED DI...

Страница 41: ... 41 PRINTED CIRCUIT BOARD MAIN TOP ...

Страница 42: ... 42 MAIN BOTTOM ...

Страница 43: ... 43 CONTROL LED P SW ...

Страница 44: ... 44 SCHEMATIC DIAGRAM 1 MSTAR ...

Страница 45: ... 45 2 PANEL CONNECTOR ...

Страница 46: ... 46 3 DDR ...

Страница 47: ... 47 4 AMP ...

Страница 48: ... 48 5 TUNER ...

Страница 49: ... 49 6 D SUB DVI ...

Страница 50: ... 50 7 SCART DAC ...

Страница 51: ... 51 8 JACK ...

Страница 52: ... 52 9 POWER ...

Страница 53: ... 53 10 CONTROL KEY ...

Страница 54: ... 54 11 IR LED POWER ...

Страница 55: ...Jun 2007 P NO MFL38456749 Printed in Korea ...

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