Summary of L7CMS
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L7cms/l7cmt tatung lcd monitors service manual ver 1.0
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L7c series lcd monitor service manual (v1.0) 2 t able of c ontents 1. Precaution and notices … … … … . … … … … … … … … … … … … … … … 3 1.1 safety precaution … … … … . … … … … … … … … … … … … … … … . 3 1.2 product safety notice … … … … … … … … … … … … … … … … … … 3 1.3 service notes … … … … … … … … …...
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L7c series lcd monitor service manual (v1.0) 3 1. Precautions and notices 1.1 safety precautions although lcd monitors are displays without high voltage as that in the crts, the following precautions still should be take care of. 1) observe all cautions and safety related notes located inside the di...
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L7c series lcd monitor service manual (v1.0) 4 2. Specifications 2.1 monitor specification lcd module 17-in, active matrix tft, anti-glare coating, 0.264 mm pixel pitch display size 337.9 mm x 270.3 mm viewing angle left/right up/down 80 ° / 80 ° (typical) 40 ° /80 ° (typical) luminance contrast rat...
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L7c series lcd monitor service manual (v1.0) 5 2.2 – analog inputs mode no. Mode name resolution h.Freq.(khz) v.Freq.(hz) h. Polarity v. Polarity pixel clk (mhz) 1 vga 60hz 640*480 31.469 59.941 － － 25.175 2 vga 72hz 640*480 37.804 72.81 － － 31.5 3 vga 75hz 640*480 37.5 75.0 － － 31.5 4 svga 56hz 800...
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L7c series lcd monitor service manual (v1.0) 6 3. Control buttons and functions there are four control buttons located at the lower part of the front panel of your display: ð power: push to turn on or turn off the display. The power indicator (green) will light while the display is on. ð select: dis...
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L7c series lcd monitor service manual (v1.0) 7 3) base and back cover removal: as below, after removing the hinge cover, there will be 4 screws (indicated by “c”), and remove them. Then you can remove the whole base of the monitor. Remove 4 screws indicated as “d” of the back cover. Then remove the ...
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L7c series lcd monitor service manual (v1.0) 8 4) metallic cover removal: remove 6 screws indicated as “g” from the back metallic cover. Then remove the back metallic cover. 5) pcb assembly removal: caution: when serving or replacing the panel, disconnect the dc power jack completely. (a) unplug all...
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L7c series lcd monitor service manual (v1.0) 9 5. General connection and applications procedures for installing and using this cml171sx lcd monitor are described as below. 5.1 connecting the monitor to the computer 1) place the display on a flat, sturdy surface. Choose an area free from excessive he...
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L7c series lcd monitor service manual (v1.0) 10 3) first turn the pc power switch on. Then apply power to the display by pressing the power button to turn the monitor on. The power indicator led will then illuminate. Note: do not force the cable into the connector; line it up carefully so that you d...
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6. Electronic block diagram red green blue h_sync v_sync scl sda 3.3v 12v 5v audio in analog r.G.B input 24wc02 (ddc2b) gmzan1 pll adc osd scaler 160 pin pqfp package lvds microcontroller regulat or lvds tft lcd panel audio ampilier speaker/earphone inverter.
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Troubleshooting flow chart no no yes no no yes yes yes yes yes no no yes no no image appear led light up voltage of p006 pin 1 is 5v replace pwb-0319 voltage of c305 is 5v replace pwb-0265 is the frequency of r005 20 mhz replace x001 replace mcu i003 led display is amber is it entering power saving ...
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Appendix f. Service parts description part number wire ass'y signal cable 5057415162 ac/dc adaptor 5061369403 ppower cord,europe 5056705939 power cord,uk 5056705992 wire ass'y w/05p conn. 5057405110 inverter assembly 5000100023 assembly,pcb-main 5097699603 assembly,pcb-audio board 5097699704 assembl...