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Internal Use Only LED MONITOR SERVICE MANUAL SERVICE MANUAL CHASSIS : LM 8AA MODEL :27BK4 SERIES CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL69406845(1806-REV01)
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 Schematic Diagram and 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.
SPECIFICATION Item Content Measurement Result Remark Checked Customer BRAND 20MK400/22MK430(22BK430)/24MK430( Checked 24BK430)/27MK400(27BK400) User Model Name 22MK400(22BK400)/24MK400 24BK400) /27MK430 Checked Sale region Worldwide 20MK400 19.5” Wide LCD MNT Checked 22MK430( Checked 22BK430) 21.5” Wide LCD MNT 22MK400( 22BK400) 24MK430( Checked Feature 24BK430) 23.8”...
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Checked External SW & Adj. 5-way joystick switch General OSD,DDC2B,DDC2AB, HDCP, Control Checked Scope Lock, Wide/Original, Smart Energy Function Saving, Color Weakness, Black level, Reader mode, Flicker safe Length 1.5m±0.05m Shape Checked Detachable Type / Color : Black / Weight : SET accessory 0.091kg±...
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Color: Black, Weight : 154g ±10%, without vinyl bag Output: DC 19V 0.84A, 16W Adapter Color: Black, Weight : 126g ± 10%, without vinyl bag 20MK400/22MK400H 22BK400) Output: DC 19V 0.84A, 16W Adapter Color: Black, Weight : 126g ±10%, without vinyl bag 20MK430H***VMVN Checked 20MK400A***...
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2. Signal Timing (Resolution) 2.1. Signal (Video & Sync) Video Sync 1) Main Recommended Timing Frequency Total Display Front Sync. Back Measurement Result Mode section polarity CLOCK[ Resolution [kHz]/[Hz] Period(E) Porch(D) Porch(B) MHz] H(Pixels) 31.468 Checked 28.321 720 X 400 V(Lines) 70.08 Checked...
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H(Pixels) 83.99 2080 1920 Checked 174.5 1920 x 1080 V(Lines) 74.97 1119 1080 Checked 6.1.2 HDMI Video input Factory support Horizontal Vertical mode frequency frequency HDMI (Preset Mode) (KHz) (Hz) 480P 31.5 576P 31.25 720P 37.5 720P 1080P 56.25 1080P 67.5 (Recommend Mode)
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1. Monitor JIGs LG Monitor JIG(P/N RAD33028001) Novatek JIG(P/N RAD32227901) 1. How to connect 1.1 Connect the PC USB cable and HDMI (or D-sub) Cable as like below picture Monitor ...
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1.2 USB cable is connected with PC(or Desktop PC) HDMI(or D-Sub) cable is connected on Monitor. ** If there is only DVI port on Monitor, you can use HDMI to DVI cable instead of HDMI cable Connect to Monitor ...
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2.1 execute EasyWriter Tool and then select [Setup ISP Tool ] on [Option] 2.2 change the setting as like below image and then click [Confirm Change] button Select ISP Jig type depends on board LG Monitor JIG(P/N RAD33028001) Novatek (P/N RAD32227901) Monitor Monitor ...
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2.3 After start EasyWriter Tool, like below image, on [Option] tab, lick the [WP Pin Select] 2.4 Check the WP pin slection.For the rest, it must be unchecked. And then click the [save].
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2.6 After start EasyWriter Tool, like below image, on [Option] tab, 2.5 Setting of the FE2P Block Select check [FE2P Mode Enable] Check the bank0, bank1, bank2, bank3 • Caution : If not checked FE2P Mode Enable, EDID and HDCP key will be deleted. ...
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2.8 click [ Auto] icon for download new File on Monitor. 2.9 check the [ end ] message, that means completed download.
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 Schematic Diagram and 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.
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■ Disassemble method Fig.2 use a coin to release the screw and disassemble the base . Fig.1 Place the monitor’s screen face down on a soft plane. Fig 4 use screw driver to release 1 EA screw Fig.3 use screw driver to release the 2 screw and disassemble the Stand body.
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■ Disassemble method 27BK400H 27BK430H Fig 6 detach the tapes, latches and lines. Fig 5 detach the latches of 3 edges to disassemble the back cover Fig 7 Disassemble the module and cabinet.