LG Flatron W2600H Service Manual
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LG Flatron W2600H Service Manual

Color monitor
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COLOR MONITOR
SERVICE MANUAL
CHASSIS NO. : LM83A
MODEL:
(
) **Same model for Service
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Website:http://biz.LGservice.com
W2600H(W2600H-PFS.A**QAF)
Internal Use Only

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Summary of Contents for LG Flatron W2600H

  • Page 1 Internal Use Only Website:http://biz.LGservice.com COLOR MONITOR SERVICE MANUAL CHASSIS NO. : LM83A MODEL: W2600H(W2600H-PFS.A**QAF) ) **Same model for Service CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Table Of Contents

    SERVICE OSD ..................12 TROUBLE SHOOTING ................13 BLOCK DIAGRAM...................17 EXPLODED VIEW ...................20 REPLACEMENT PARTS LIST ............... 22 SVC. SHEET ................... 25 LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 2 - Only for training and service purposes...

  • Page 3: Precaution

    CAUTION Please use only a plastic screwdriver to protect yourself from shock hazard during service operation. LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 3 - Only for training and service purposes...

  • Page 4: Servicing Precautions

    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. LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 4 - Only for training and service purposes...
  • Page 5 IC. circuit board to prevent excessive component temperatures. LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 5 - Only for training and service purposes...
  • Page 6 Solder the overlapped area and clip off any excess jumper wire. LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 6 - Only for training and service purposes...

  • Page 7: Specification

    : 75Ω 3-3. Operating Frequency Horizontal(Analog) : 30 ~ 83kHz Horizontal(Digital) : 30 ~ 83kHz Vertical : 56 ~ 75Hz LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 7 - Only for training and service purposes...

  • Page 8: Timing Chart

    TIMING CHART VIDEO SYNC * H/V Timming LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 8 - Only for training and service purposes...

  • Page 9: Adjustment

    Mode Data in MICOM itself. # Caution) Must keep power-on more than 3 seconds after AC Power-on first time. LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 9 - Only for training and service purposes...
  • Page 10 OSD function. 3.2.5.6 Confirm the display state by inputting 8 color Bar Pattern & 256 Gray Scale pattern LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 10 - Only for training and service purposes...
  • Page 11 Click “ Write” button c) Remove all default number d) Add 300-3FF e) Click Start button. f) Click Exit button. LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 11 - Only for training and service purposes...

  • Page 12: Service Osd

    (110V/220V) 74LS06 Power LED 4.7K 74LS06 ST Switch V-Sync On/Off Switch (Switch must be ON.) Figure 1. Cable Connection LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 12 - Only for training and service purposes...

  • Page 13: Trouble Shooting

    Do ISP. Then CHECK IC202 Recover? Flash ROM Problem. Waveforms 1 P305 #9~12 2 IC302 #2 3 IC303 #2 4 X200 LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 13 - Only for training and service purposes...
  • Page 14 Main or POWER Broken Lamp BOARD(LIPS) in THE LCD MODULE. REPLACE LCD MODULE Waveforms 1 Inverter 24V 2 Inverter Lamp Voltage LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 14 - Only for training and service purposes...
  • Page 15 #10,11,22,23 CHECK CONNECTION LINE FROM D-SUB TO CHECK LINK CABLE IC202 TROUBLE IN LCD MODULE Waveforms 1 P303 #10 LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 15 - Only for training and service purposes...
  • Page 16 DPM MODE. CHECK IC202 PIN172,173 CHECK H/V SYNC LINE SYNC PULSE TROUBLE IN IC202 Waveforms 1 H-SYNC 2 V-SYNC LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 16 - Only for training and service purposes...

  • Page 17: Block Diagram

    BLOCK DIAGRAM LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 17 - Only for training and service purposes...

  • Page 18: Description Of Block Diagram

    *refer to the each frequency of crystal oscillators and working frequency. Video processor : 14.31818MHz. USB Hub : 30MHz LVDS Clock Freq. : 154MHz MEMORY Clock Freq. : 183MHz LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 18 - Only for training and service purposes...

  • Page 19: Lips Board Block Diagram

    This part function is to collect the any change from the DC output and feed back to the primary through photo transistor. LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 19 - Only for training and service purposes...

  • Page 20: Exploded View

    EXPLODED VIEW LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 20 - Only for training and service purposes...

  • Page 21: Schematic Diagram

    68pF C127 68pF R107 D101 4.7K R103 D100 4.7K MMBD301LT1G MMBD301LT1G R106 4.7K R102 4.7K R105 4.7K R104 4.7K LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 25 - Only for training and service purposes...

  • Page 22: Replacement Parts List

    0 . 1 u F READY C272 0 . 1 u F READY 4.7K R291 4.7K R292 0 . 1 u F C273 LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 26 - Only for training and service purposes...
  • Page 23 R380 R367 RSR025P03 Q306 ADJ/GND INPUT OUTPUT R333 R334 100K R336 R335 R336-*1 R344 270K C353 0.1uF C354 0.01uF LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 27 - Only for training and service purposes...
  • Page 24 5 . 6 B ZD510 5 . 6 B ZD511 5 . 6 B ZD512 5 . 6 B LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 28 - Only for training and service purposes...

  • Page 25: Svc. Sheet

    5. CONTROL CDEG3 CDEG4 CDEG5 CDEG6 CDEG7 OPT/SYNC CDEG8 SLEEP RESET OUT8 LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 29 - Only for training and service purposes...
  • Page 26 6. POWER + LED ZD800 5 . 6 B ZD801 5 . 6 B D800 BL-HKBB533B-TRB 4.7K 4.7K R807 R806 LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 30 - Only for training and service purposes...
  • Page 27 0 . 1 u F LED-AM ZD100 5 . 6 B LED-BU KDS226 KDS226 ST5V KDS226 KDS226 P103 UAR27-4K2300 P104 UAR27-4K2300 LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 31 - Only for training and service purposes...

  • Page 28: Printed Circuit Board

    PRINTED CIRCUIT BOARD MAIN (TOP) LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 32 - Only for training and service purposes...
  • Page 29 MAIN (BOTTOM) LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 33 - Only for training and service purposes...
  • Page 30 CONTROL (TOP) CONTROL (BOTTOM) POWER + LED (TOP) POWER + LED (BOTTOM) USB (TOP) USB (BOTTOM) LGE Internal Use Only Copyright 2008 LG Electronics. Inc. All right reserved. - 34 - Only for training and service purposes...
  • Page 31 Jan. 2008 P/NO : MFL42084802 Printed in Korea...

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