LG Flatron 206WTQ Скачать руководство пользователя страница 29 | Manualshive

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Jun. 2007

P/NO : MFL38456740

Printed in Korea

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Содержание Flatron 206WTQ

Страница 1: ...bsite http biz LGservice com CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NO LM74B MODEL L206WTQ L206WTQ BFS A MQP A OQP L206WTQ L206WTQ WFS A MQP A OQP Same model for Service Internal Use Only ...

Страница 2: ...Contrast Ratio 500 min 1000 Typ DFC 3000 1 Typ 3 SIGNAL Refer to the Timing Chart 3 1 Sync Signal Type Separate Sync SOG Digital 3 2 Video Input Signal 1 Type R G B Analog 2 Voltage Level 0 0 7 V 3 Input Impedance 75 Ω 3 3 Operating Frequency Horizontal 28 83kHz Vertical 56 75Hz 4 MAX RESOLUTION Analog 1680 x 1050 60Hz Digital 1680 x 1050 60Hz 5 POWER SUPPLY 5 1 Power Adaptor Built in Power Input ...

Страница 3: ...ta4 T M D S Data4 DDC Clock DDC Data Analog Vertical Sync T M D S Data1 T M D S Data1 T M D S Data1 3 Shield T M D S Data3 T M D S Data3 5V Power Ground return for 5V H Sync and V Sync Pin Signal DVI D 1 8 9 17 24 16 16 17 18 19 20 21 22 23 24 Hot Plug Detect T M D S Data0 T M D S Data0 T M D S Data0 5 Shield T M D S Data5 T M D S Data5 T M D S Clock Shield T M D S Clock T M D S Clock T M D S Tran...

Страница 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 ...

Страница 5: ...at 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 Sens...

Страница 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 br...

Страница 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 t...

Страница 8: ...1 3 21 6 H Pixels 65 0 48 363 1344 1024 24 136 160 1024 x 768 V Lines 60 0 806 768 3 6 29 7 H Pixels 78 75 60 123 1312 1024 16 96 176 1024 x 768 V Lines 75 029 800 768 1 3 28 8 H Pixels 108 0 67 500 1600 1152 64 128 256 1152 x 864 V Lines 75 000 900 864 1 3 32 9 H Pixels 108 0 63 981 1688 1280 48 112 248 1280 x 1024 V Lines 60 02 1066 1024 1 3 38 10 H Pixels 135 0 79 976 1688 1280 16 144 248 1280 ...

Страница 9: ...eserved Only for training and service purposes LGE Internal Use Only DISASSEMBLY Set Remove the screws Disassemble back cover Remove the screws 1 Pull the front cover upward 2 Then let the all latches are separated 3 Put the front face down 1 4 2 3 ...

Страница 10: ...ll right reserved Only for training and service purposes LGE Internal Use Only DISASSEMBLY Stand Please pull the stand body lightly to separate it from the hinge body Pushing Latch inside Take the stand base from stand body 1 1 2 1 1 2 1 2 ...

Страница 11: ...ilter 5V 15V 5V Regulator 3 3V Vcc 5V 3 3V Inverter 4Lamps 15V DVI D DVI TMDS KEY 1 8V 1 8V Module SDA SCL EEPROM EDID EEPROM System 3 3V EEPROM EDID 1680X1050 60Hz 146Mhz Dual Interface Engine Display Processing Engine Response Time Enhancement LVDS Panel Interface OSD Clock Generator MCU DRAM TSUMO58CWHJ Flash ROM 3 3V Crystal 14 318MHz BLOCK DIAGRAM ...

Страница 12: ...log to digital interpolates input to 1680X1050 L226WTQ WTG resolution signal and outputs 8 bit R G B signal to transmitter 2 Power Part This part consists of the one 3 3V and one 1 8V regulators to convert power which is provided 5V in Power board 15V is provided for inverter in L226WTQ WTG Also 5V is converted 3 3V and 1 8V by regulator Converted power is provided for IC in the main board The inv...

Страница 13: ... transfer the input AC voltage to a DC voltage through 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...

Страница 14: ...eed setup Windows 2000 XP Need to Port Setup This program is available for 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 Updat...

Страница 15: ...switch at the right side of the display 2 Wait for about 5 seconds and press MENU POWER switch for 1 second interval 3 The SVC OSD menu contains additional menus that the User OSD menu as described below a CLEAR ETI To initialize using time c Auto Color W B balance and Automatically sets the gain and offset value press key for over 3 sec d AGING Select Aging mode on off b Module To select applied ...

Страница 16: ...NO POWER NO POWER POWER INDICATOR OFF CHECK U501 NO NO CHECK POWER BOARD AND FIND OUT A SHORT POINT AS OPENING EACH POWER LINE CHECK U901 3 3V U902 1 8V LINE NO CHECK CRYSTAL X501 YES YES YES CHECK J905 VOLTAGE PIN5 PIN6 5V IS U901 PIN2 3 3V U902 PIN2 1 8V CHECK X501 PIN127 PULSE 1 2 1 3 1 4 Waveforms 1 J905 5 6 2 U901 2 3 U902 2 4 U501 127 ...

Страница 17: ...3V NO RASTER OSD IS NOT DISPLAYED CHECK POWER BOARD LIPS CHECK J905 VOLTAGE PIN5 6 5V NO NO NO NO 1 CONFIRM BRIGHTNESS OSD CONTRL STATUS 2 CHECK MICOM DIM ADJ PORT CHECK J905 PIN10 POWER BOARD LIPS CHECK PULSE AS CONTACTING PROBE TO THE LAMP WIRE OF THE LCD MODULE REPLACE LCD MODULE YES 1 2 3 4 YES YES YES Waveforms 1 J905 5 6 2 J905 9 3 J905 10 Brightness 100 5 LAMP CURRENT 3 J905 10 Brightness 0...

Страница 18: ...N 127 128 SOLDERING CONDITION 2 CHECK X501 3 TROUBLE IN U501 CHECK U501 PIN114 3 3V PIN21 1 8V NO NO NO CHECK U901 3 3V U902 1 8V U501 PIN 127 128 14 3MHZ CHECK CONNECTION LINE FROM D SUB TO U501 TROUBLE IN CABLE OR LCD MODULE YES YES NO RASTER OSD IS NOT DISPLAYED CHECK U501 PIN32 H SYNC AND PIN33 V SYNC IS PULSE APPEARED AT SIGNAL PINS YES 1 Waveforms 1 U501 127 ...

Страница 19: ...training and service purposes LGE Internal Use Only 4 TROUBLE IN DPM TROUBLE IN DPM TROUBLE IN U501 CHECK PC PC IS GOING INTO DPM MODE NO CHECK H V SYNC LINE NO YES CHECK R718 AND R719 SYNC APPEARED CHECK U501 PIN 32 33 SYNC PULSE YES 1 H SYNC 2 V SYNC Waveforms 1 2 ...

Страница 20: ...EXPLODED VIEW 20 Copyright 2007LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 300 520 310 330 320 200 500 510 450 440 430 420 410 400 900 910 930 920 ...

Страница 21: ...43001 Supporter PRESS EGI 0 8 GUIDE EGI Metal stand bracket 420 MDQ35941901 Frame PRESS SPTE 0 3 L206W METAL LampWire shield 430 ADV32509407 Frame Assembly L206W 20 REAR FRAME ASSY LPL S CHASSIS ADV32509408 Frame Assembly L206W 20 REAR FRAME ASSY VE_LPL S CHASSIS 440 MAZ35951701 Bracket PRESS SBHG A 1 0 FIXER Lx6W AB SBHG PCB mounting bracket 450 MCK35940801 Cover MOLD ABS 380 L206W Vesa mold brac...

Страница 22: ...F56A Capacitor Ceramic Chip0603B104K16 C538 0CK104CF56A Capacitor Ceramic Chip0603B104K16 C539 0CC080CK11A Capacitor Ceramic ChipC1608C0G1H0 C540 0CC080CK11A Capacitor Ceramic ChipC1608C0G1H0 C541 0CC080CK11A Capacitor Ceramic ChipC1608C0G1H0 C701 0CC101CK41A Capacitor Ceramic ChipC1608C0G1H1 C702 0CC101CK41A Capacitor Ceramic ChipC1608C0G1H1 C703 0CC680CK41A Capacitor Ceramic ChipC1608C0G1H6 C704...

Страница 23: ...CR03EZPJ560 56OHM 5 R505 0RJ4700D677 Resistor ChipMCR03EZPJ471 470OHM R506 0RJ1000D677 Resistor ChipMCR03EZPJ101 100OHM R507 0RJ0562D677 Resistor ChipMCR03EZPJ560 56OHM 5 R508 0RJ4701D677 Resistor ChipMCR03EZPJ472 4 7KOHM R509 0RJ4701D677 Resistor ChipMCR03EZPJ472 4 7KOHM R510 0RJ4701D677 Resistor ChipMCR03EZPJ472 4 7KOHM R511 0RJ4701D677 Resistor ChipMCR03EZPJ472 4 7KOHM R512 0RJ4700D677 Resistor...

Страница 24: ...2031G Harness Single12505HS 0400 12505H C3 6631T12002H Harness Single6P 1 25MM 12505HS C4 6631T20034P Harness Single11P M203WTB SMH200 J1 6602T12005E Connector Wafer12505WR 06A00 6P 1 J2 6602T12005C Connector Wafer12505WR 04A00 4P 1 J3 6602T12005C Connector Wafer12505WR 04A00 4P 1 J901 6630TGA005B Connector DSUBQH11121 DN0 D DVI 2 J902 6630TGA004F Connector DSUBKCN DS 3 0062 D SUB J905 6602T20008K...

Страница 25: ...SCHEMATIC DIAGRAM 25 1 SCALER Copyright 2007LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 26: ... 26 2 POWER WAFER Copyright 2007LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 27: ... 27 3 CONTROL Copyright 2007LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 28: ... 28 Copyright 2007LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only PRINTED CIRCUIT BOARD MAIN TOP MAIN BOTTOM CONTROL ...

Страница 29: ...Jun 2007 P NO MFL38456740 Printed in Korea ...

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