Summary of FV926AFW
Page 1
Fv926afw 1 / 19 fv926afw service manual.
Page 2: Table of Contents
Fv926afw 2 / 19 table of contents warning -------------------------------------------------------------------------------------- 3 a. Important safety instruction -------------------------------------- 3 b. Specifications --------------------------------------------------------------------- 4 c. Tim...
Page 3: Warning
Fv926afw 3 / 19 warning to prevent from fire or shock hazard,do notexpose monitor to any rain or any form of water.High voltage is inside the monitor so please do not remove the back cover of the cabinet if you are not a qualified monitor engineer.Contact the local dealer or the nearest proview bran...
Page 4: B. Specifications
Fv926afw 4 / 19 b. Specifications panel general specification panel model cmo m190a1-l01 screen diagonal 19.05” tft active display area 410.4(h) x 256.5(v) mm pixel pitch 0.285(h) x 0.285(v) mm number of colors 16.2m colors view angle horizontal vertical +/-75 degree -60/+70 degree typical luminance...
Page 5: C . Timing Chart
Fv926afw 5 / 19 c . Timing chart the video signal timing is as following : video a: period d b e b: active c: sync width sync. D: back porch c a e: front porch ★ dvi mode support ★ ★ ★ ★ ★ ★ ★ preset modes vga 640x480 vesa 640x480 vesa 640x480 vga 720x400 vesa 800x600 vesa 800x600 vesa 800x600 vesa ...
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Fv926afw 6 / 19 ★ ★ ★ ★ ★ ★ ★ ★ preset modes vesa 1024x768 vesa 1024x768 vesa 1024x768 vesa 1280x1024 vesa 1280x1024 vesa 1440x900 vesa 1440x900 vesa 1440x900 dot rate 65.000mhz 75.000mhz 78.750mhz 108.00mhz 135.00mhz 88.750mhz 106.50mhz 136.75mhz f.H 48.363khz 56.476khz 60.023khz 63.98khz 79.976khz...
Page 7: D. Adjustment Procedure
Fv926afw 7 / 19 d. Adjustment procedure item program menu. ﹟test meter ﹡test point ﹫pattern operation check value a power supply check ﹟digital voltmeter ﹡con101 ﹫crosshatch pattern (1280x1024, 60hz) 1. Plug power cable into the lcd monitor directly. 2. Make sure the voltage of the power plug (con10...
Page 8: E . Trouble Shooting Hints
Fv926afw 8 / 19 e . Trouble shooting hints no no yes yes yes yes no no high voltage ! No yes yes no no yes no display ( black ) led on ? Push the power on/off switch led color change ? Check main board con1/pin1 hi / lo under push power sw? Back light on? To step 2 make sure the connection of power ...
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Fv926afw 9 / 19 no yes yes no yes no b hi / lo under push power sw? Change the power board display ? Nice job ! To step 2 a check the connection of control cable display ? Nice job ! Change the main board change the main board check the main board +12v input? Check the main board +5.0 v ? Check cn1/...
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Fv926afw 10 / 19 no yes no yes no yes no check the main board 3.3v input ? Check h/v input signal ? Check u7/pin37,38 check u2 check 1.8v input display ? Nice job ! Change signal cable yes check q3 c.
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Fv926afw 11 / 19 no yes no yes no yes no yes no display (white) check the main board 5v ? +3.3v ? H/v input signal ? Check u7/pin37,38 display ? Nice job ! Change signal cable check cn1/pin5,6 check u2.
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Fv926afw 12 / 19 f. Block diagram vcc5v vlcd +5v vcc1.8 b6 6.Audio mute volume +12v +5v pb[0..9] vcc5v +5v vlcd +12v pc5v0 vcc1.8 +12v vcc3.3 vcc3.3 b4 4.Scaler pa[0..9] gndb0 gndr0 sogin0 gin0 rin0 gndg0 hsync0 vsync0 bin0 gndb1 rin1 gndr1 hsync1 gndg1 bin1 sogin1 gin1 vsync1 clk- b+ r+ g- clk+ g+ ...
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Fv926afw 13 / 19 g. Exploded diagram.
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Fv926afw 14 / 19 h. Schematic diagram.
Page 15: Tsum66Aj Schematic
5 5 4 4 3 3 2 2 1 1 d d c c b b a a tsum66aj schematic prepare by check by approve by 許許許 top b 200-100-2a1d-bh b 1 6 tuesday, february 21, 2006 title size document number rev date: sheet of b2 2.Power pc5v1 vcc1.8 vcc5v +5v dvi5v vcc3.3 vctrl bklt_adj bklt_en panelvcc_en vlcd +12v b3 3.Input gndb0 ...
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5 5 4 4 3 3 2 2 1 1 d d c c b b a a sot-263 sot-263 5/4 modified 5/17 del c8 9/14 modified s1 and s2 change to s3 and s5 prepare by check by approve by 許許許 power b 200-100-2a1d-bh b 2 6 tuesday, february 21, 2006 title size document number rev date: sheet of bl_ctrl bl_ctrl brt_level brt_level +5v +...
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5 5 4 4 3 3 2 2 1 1 d d c c b b a a a1 a2 by worry ΒΜΙ«²Ώ·ΦΚΗΠΒΤφµ∆Τ Όώ.ΝυΞ∆Θπ; approve by 許許許 check by prepare by input b 200-100-2a1d-bh custom 3 6 tuesday, february 21, 2006 title size document number rev date: sheet of dat_ddc1 hsi0 clk_ddc0 vga0_con vsi0 clk_ddc1 dat_ddc0 dat_ddc2 clk_ddc2 pc5v...
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5 5 4 4 3 3 2 2 1 1 d d c c b b a a to key pad 5/3 modified 5/4 modified 5/4 modified 5/ 4 modify 7/ 15 modify 7/ 15 add prepare by check by approve by 許許許 scaler b 200-100-2a1d-bh custom 4 6 tuesday, february 21, 2006 title size document number rev date: sheet of pb3 ledg pb6 pa1 auto down led_o pb...
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5 5 4 4 3 3 2 2 1 1 d d c c b b a a 3/28 modified for 19" fsc panel prepare by check by approve by 許許許 panel interface b 200-100-2a1d-bh a 5 6 tuesday, february 21, 2006 title size document number rev date: sheet of vcc_test rxein0- rxoin3- rxeckin- rxein0+ rxein2- rxoin1- rxein2+ rxein3- rxockin- r...
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5 5 4 4 3 3 2 2 1 1 d d c c b b a a 5/4 modify 5/4 modify 5/4 modify prepare by check by approve by 許許許 audio b 200-100-2a1d-bh b 6 6 tuesday, february 21, 2006 title size document number rev date: sheet of +12v u_gnd u_gnd +12v u_gnd u_gnd u_gnd u_gnd u_gnd u_gnd u_gnd u_gnd u_gnd u_gnd u_gnd u_gnd...
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聯昌電子企業股份有限公司 lc electronic co., ltd. ＊copy-right lien chang electronic enterprise co., ltd. No copy & disclosure is allowed. All right reserved by lien chang. 1 3 2 4 1 3 2 4 3 3 1 1 2 2 8 8 4 4 5 5 6 6 7 7.
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聯昌電子企業股份有限公司 lc electronic co., ltd. ＊copy-right lien chang electronic enterprise co., ltd. No copy & disclosure is allowed. All right reserved by lien chang..
Page 23: I. Pcb Layout Diagram
Fv926afw 15 / 19 i. Pcb layout diagram main board.
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Fv926afw 16 / 19 power+inverter board top layer.
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Fv926afw 17 / 19 bottom layer.
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Fv926afw 18 / 19 control board earphone board.
Page 27: Memo
Fv926afw 19 / 19 memo.