LG 27UP850 Service Manual
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LG 27UP850 Service Manual

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LED MONITOR
SERVICE MANUAL
SERVICE MANUAL
CHASSIS :
MODEL :
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL69413839 (2102-REV00)
P/NO :
LM21B
27UP850
27BP85U
CONFIDENTIAL
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Summary of Contents for LG 27UP850

  • Page 1 CONFIDENTIAL LED MONITOR SERVICE MANUAL SERVICE MANUAL CHASSIS : LM21B MODEL : 27UP850 27BP85U CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : P/NO : MFL69413839 (2102-REV00)

  • Page 2: Table Of Contents

    CONTENTS CONTENTS ....................2 SPECIFICATION ..................3 SAFETY PRECAUTIONS ................8 BLOCK DIAGRAM ................... 9 EXPLODED VIEW ..................10...

  • Page 3: Specification

    * Provided accessory: #8/#9 , it’s different marketing request. Item Content Measurement Result Remark Customer BRAND Checked BRAND : LGE Product User Model Name 27UP850/27BP85U Checked Sale region Worldwide Checked Feature 27” LCD MONITOR (IPS UHD HDR) Checked Chassis Name LM21B Checked PCB, Product spec., Adjustment spec.
  • Page 4 USB DN USB 3.0 Downstream x 2 Checked Do not support Quick charging H/P OUT Audio L/R Checked RS-232C Checked Do not support Length 1.55±0.05m: 1.55m Refer to Suffix standard and Power Cord Weight 0.174kg ± 10%, 0.173kg Power cord Table. Color White Checked...
  • Page 5 P/N : EAY65068601 ACC-LATP1 100-240Vac 19.5Vdc 10.8 Output: DC 19.5V 10.8A, 210W Adapter Power (Adapter / PSU /LPB) Checked A 50/60Hz World wide(IT) INLET 3P Color: White, Weight : 0.769kg ±10% DC PIN PLUG - SHENZHEN HONO R ELECTRONIC CO.,LTD Need to be checked by NT regulation Power Rating Input :...
  • Page 6 2. Signal Timing (Resolution) 2.1. Signal (Video & Sync) 7.1 Signal (Video & Sync) – DisplayPort Frequency Total Display Front Sync. Back Mode section polarity CLOCK Resolution Measurement Result Remark [kHz]/[Hz] Period(E) Porch(D) Porch(B) [MHz] H(Pixels) 31.469 PC : Display 25.175 640 x 480 Checked...
  • Page 7 HDMI Frequency Total Display Front Sync. Back Mode section polarity DOT CLOCK[MHz] Resolution Measurement Result Remark [kHz]/[Hz] Period(E) Porch(D) Porch(B) H(Pixels) 31.469 Checked PC : Display 25.175 640 x 480 V(Lines) 59.94 Resolution H(Pixels) 37.879 1056 Checked Information 800 x 600 V(Lines) 60.317 H(Pixels)

  • Page 8: Safety Precautions

    SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Exploded View. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent Shock, Fire, or other Hazards.

  • Page 9: Block Diagram

    BLOCK DIAGRAM...

  • Page 10: Exploded View

    EXPLODED VIEW IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the EXPLODED VIEW. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent Shock, Fire, or other Hazards.

This manual is also suitable for:

27bp85u