Daewoo 901D Service Manual Download

Page: 1 / 67

Service Manual

XGA COLOR MONITOR

Model : 901D

DAEWOO ELECTRONICS CO., LTD
OVERSEAS SERVICE DEPT.

Summary of Contents for 901D

Page 1: ...ServiceManual XGA COLOR MONITOR Model 901D DAEWOO ELECTRONICS CO LTD OVERSEAS SERVICE DEPT...

Page 2: ...ON 6 GENERAL INFORMATION 7 PIN CONNECTOR 8 CAUTIONS FOR ADJUSTMENT AND REPAIR 8 OPERATION ADJUSTMENT 9 ALIGNMENT PROCEDURE 17 TROUBLESHOOTING HINTS 19 BLOCK DIAGRAM 35 PCB LAYOUT 36 SCHEMATIC DIAGRAM...

Page 3: ...cal parts should be replaced with manufacturer s specified parts to prevent X radiation shock fire or other hazards Do not modify the original design without getting a written permission from DAEWOO E...

Page 4: ...mage to the equipment or other property WARNING Statements identify conditions or practices that could result in personal injury or loss of life Terms as marked on equipment CAUTION Statements indicat...

Page 5: ...the contacts with a pipe cleaner cotton tipped stick or comparable nonabrasive applicator 10 by volume Acetone and 90 by volume isopropyl alcohol 90 99 strength 6 Do not defeat any plug socket B volta...

Page 6: ...together by conductive foam aluminum foil or comparable conductive material 7 Immediately before removing the protective material from the leads of a replacement ES device touch the protective materi...

Page 7: ...rcuit board 2 Carefully bend each IC lead against the circuit foil pad and solder it 3 Clean the soldered areas with a small wire bristle brush lt is not necessary to reapply acrylic coating to the ar...

Page 8: ...Treatment Anti reflect Anti static Video Input Signal R G B Analog Pixel Clock 203 MHz Input Sync TTL separate negative positive H V Sync on Green negative Composite H V Sync negative positive Scan Fr...

Page 9: ...r VGA VESA and XGA and Apple Macintosh Video Card And so this color monitor has a maximum horizontal resolution of 1600 dots and a maximum vertical resolution of 1200 lines for superior clarity of dis...

Page 10: ...ly electrical specification or function Reform the leadwire after any repair work Caution For Servicing In case of servicing or replacing CRT high voltage sometimes remains in the anode of the CRT Com...

Page 11: ...on the MENU window Move cursor to the next FUNCTION on each FUNCTION window Increase the value of any selected FUNCTION Increase the contrast directly when OSD is not displayed Move cursor to the pre...

Page 12: ...10 When you choose the icon on the OSD window you can exit the OSD screen ADJUSTMENT PROCESS OSD MENU MENU MENU MENU MENU WINDOW FUNCTION WINDOW ADJUSTMENT WINDOW CURSOR...

Page 13: ...s of the entire image Adjust the position of the display horizontally left or right Adjust the display width horizontal size Adjust the position of the display vertically up or down Adjust the display...

Page 14: ...urns to by Adjust the parallelogram when the screen is leaning left or right Image turns to by Image turns to by Adjust the side balance when the sides of the screen are bowed towards left or right Im...

Page 15: ...emperatures or set your own customized color parameters Adjust the green gain Adjust the blue gain Adjust the red bias Adjust the green bias Adjust the blue bias Adjust the red gain Color Menu Functio...

Page 16: ...r OSD Select a Input Signaling Type between D Sub and BNC connector Utility Menu Functions Reset the screen to the Factory Preset Display Settings Return to the Utility Menu Window Degauss the display...

Page 17: ...al linearity Adjust the horizontal linearity Adjust the horizontal picture moire cancellation Adjust the vertical picture moire cancellation Special Menu Functions Adjust the focus image Return to the...

Page 18: ...or is on DPMS mode Out of Range screen is displayed when the applied frequency is under or over normal range Normal range H 30 95 KHz V 50 160 Hz When the monitor doesn t display if you press any key...

Page 19: ...mode Therefore Factory preset mode has it s own value according to each control 3 Focus a Set brightness control to Center and contrast control to Max b Receive all H character pattern of 91KHz mode...

Page 20: ...out of range adjust the R G B Bias Gain to get the coordinates in X 0 281 Y 0 311 Make sure that the coordinates is in range by using contrast control n Check the screen luminosity up to 30 Ft L in b...

Page 21: ...TROUBLESHOOTING HINTS 19 1 No Character...

Page 22: ...20 2 No Raster...

Page 23: ...21 3 A missing Color...

Page 24: ...22 4 Abnormal OSD Font...

Page 25: ...23 5 Horizontal Output Circuit MODE P6 Voltage VGA 31 5KHz 48V S VGA 37 8KHz 60V XGA 46K 72V CAD 68K 109V 81KHz 129V 93KHz 144V...

Page 26: ...24 6 Unstable Picture 6 1 Horizontal...

Page 27: ...25 6 2 V OSC Deflection Circuit...

Page 28: ...26 7 Focus...

Page 29: ...27 7 1 Dynamic Focus...

Page 30: ...28 8 Convergence...

Page 31: ...29 9 Abnormal Picture 9 1 Horizontal Size MODE Scan B VGA 48V S VGA 60V XGA 46K 72V CAD 68K 109V 81K 129V 93K 144V The B are as follows At first adjust controls in the OSD MENU...

Page 32: ...30 9 2 Vertical Size...

Page 33: ...31 10 High Voltage Output Circuit MODE B P6 VGA 48V SVGA 60V XGA 46K 72V CAD 68K 109V 81K 129V 93K 144V...

Page 34: ...32 11 Side Pincushion Circuit...

Page 35: ...33 12 Power Supply Unit P S U...

Page 36: ...34...

Page 37: ...35 BLOCK DIAGRAM...

Page 38: ...42 SCHEMATIC DIAGRAM Main...

Page 39: ...43 Video...

Page 40: ...EXPLODED VIEW MECHANICAL PARTS LIST 44...

Page 41: ...any components use only manufacturer s specified parts Abbreviation of Description Fig Part No Description Index R101 Resistors RE 42820J Cabron 82J INFORMATION OF PART DESCRIPTION 45 Allowance F 1 J...

Page 42: ...BI3857 AXIAL B805 5PB13857 COIL BEAD BI3857 AXIAL B807 5PB13857 COIL BEAD BI3857 AXIAL B808 5PB13857 COIL BEAD BI3857 AXIAL B812 5PB13857 COIL BEAD BI3857 AXIAL B813 5PB13857 COIL BEAD BI3857 AXIAL B8...

Page 43: ...0X12 5 TP C120 CEXF1C471C C ELECTRO 16V RUS 470MF 10X12 5 TP C121 CEXF1C471C C ELECTRO 16V RUS 470MF 10X12 5 TP C122 CMXL2A153J C MYLAR MEU 100V 0 015MF J C124 CEXF1E102C C ELECTRO 25V RUS 1000MF 13X2...

Page 44: ...V RUS 47MF 6 3X11 TP C222 CEXF2E339C C ELECTRO 250V RUS 3 3MF 8X16 TP C223 HCFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 C224 CCYB3A103K C CERA 1KV B 0 01MF K C225 CEXF2E470C C ELECTRO 250V RUS 47MF 16...

Page 45: ...0PF J TP C408 CMXM2A224J C MYLAR 100V 0 22MF J C409 CMXM2A153J C MYLAR 100V 0 015MF J TP C410 CEXF1H470C C ELECTRO 50V RUS 47MF 6 3X11 TP C411 CEXF2E478V C ELECTRO RSS 250V 0 47MF 6 3X11 C412 HCFK104Z...

Page 46: ...V B 1000PF K TAPPING C534 CMXM2A104J C MYLAR 100V 0 1MF J TP C537 CMXM2A473J C MYLAR 100V 0 047MF J TP C538 CBXB3D221K C CERA SEMI 2KV BL N 220PF K T C539 CCXB3A102K C CERA 1KV B 1000PF K TAPPING C540...

Page 47: ...3ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 C804 CEXF1E470C C ELECTRO 25V RUS 47MF 5X11 TP C805 CEXF1E470C C ELECTRO 25V RUS 47MF 5X11 TP C806 HCFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 C807 HCFK103ZCA C...

Page 48: ...22J C MYLAR 100V 2200PF J TP C844 HCQK102JCA C CHIP CERA 50V CH 1000PF J 2012 C845 HCQK709DCA C CHIP CERA 50V CH 7PF D 2012 C846 CMXL2E104J C MYLAR MEU 250V 0 1MF J C847 CMXM2A333J C MYLAR 100V 0 033M...

Page 49: ...12 C885 CXCH1H220J C CERA 50V CH 22PF J TAPPING C887 HCFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 C888 HCFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 C889 HCFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 C8...

Page 50: ...24 CONN WAFER SMAW250 09 ANGLE CW804 9979220021 CONN WAFER SMAW250 06 ANGLE CW805 485923242S CONN WAFER 5267 03A STICK TYPE D001 DD5SBA60 DIODE BRIDGE D5SBA60 D021 D1N4937GP DIODE 1N4937GP TAPPING D02...

Page 51: ...O 52MM D311 DZN4148 DIODE 1N4148 AUTO 52MM D312 DZN4148 DIODE 1N4148 AUTO 52MM D313 DRLS4148 DIODE CHIP RLS4148 D315 D1NS4 DIODE 1NS4 D317 DRLS4148 DIODE CHIP RLS4148 D321 DZN4148 DIODE 1N4148 AUTO 52...

Page 52: ...ODE 1N4148 AUTO 52MM D836 DZN4148 DIODE 1N4148 AUTO 52MM D837 DZN4148 DIODE 1N4148 AUTO 52MM D838 DFDH400 DIODE FDH400 D861 DZN4148 DIODE 1N4148 AUTO 52MM D862 DZN4148 DIODE 1N4148 AUTO 52MM D863 DZN4...

Page 53: ...40N IC103 1K1A7912P1 IC REGULATOR KIA7912PI IC104 1KA78R05 IC REGULATOR KA78R05 IC105 1KA78R12 IC REGULATOR KA78R12 IC106 1KA7824 IC KA7824 IC151 1KA3842B IC POWER KA3842B IC201 1DBL358 IC DBL358 DUAL...

Page 54: ...L 15MM P7 9977410800 TERMINAL PIN BSP1 SN L 15MM P8 9977410800 TERMINAL PIN BSP1 SN L 15MM PH001 1TLP721GR IC PHOTO COUPLER TLP721D4GR PR001 DECPAC140M POSISTOR ECPAC140M290 Q021 TKTC2073 TR KTC2073...

Page 55: ...Y AUTO 1959Y Q402 TZTC3198Y TR KTC3198Y 1815Y AUTO Q503 TZTC3198Y TR KTC3198Y 1815Y AUTO Q504 TZTC3202Y TR KTC3202Y AUTO 1959Y Q505 TZTA1270Y TR KTA1270Y AUTO 562Y Q506 T1RF640 FET IRF640 Q507 T2SC524...

Page 56: ...TAPPING R025 HRFT681JCA R CHIP 1 10 680 OHM J 2012 R026 RW01Z168JN R WIRE WOUND 1W 0 16 OHM J NON INDUCT R027 RW01Z168JN R WIRE WOUND 1W 0 16 OHM J NON INDUCT R028 HRFT752JCA R CHIP 1 10 7 5K OHM J 2...

Page 57: ...CARBON FILM 1 6 270K OHM J R151 RN AZ4102F R METAL FILM 1 6 41K OHM F R152 RD 4Z274J R CARBON FILM 1 4 270K OHM J R153 RD 2Z121JS R CARBON FILM 1 2 120 OHM J SMALL R154 RD AZ333J R CARBON FILM 1 6 33...

Page 58: ...470 OHM J R208 HRFT562JCA R CHIP 1 10 5 6K OHM J 2012 R208 RD AZ102J R CARBON FILM 1 6 1K OHM J R209 HRFT101JCA R CHIP 1 10 100 OHM J 2012 R211 RD 2Z823JS R CARBON FILM 1 2 82K OHM J SMALL R212 HRFT56...

Page 59: ...SMALL R255 RD 2Z334JS R CARBON FILM 1 2 330K OHM J SMALL R256 RD 2Z334JS R CARBON FILM 1 2 330K OHM J SMALL R257 RS02Z223J R M OXIDE FILM 2W 22K OHM J TAPPING R258 RS02Z223J R M OXIDE FILM 2W 22K OHM...

Page 60: ...N FILM 1 6 56K OHM J R356 RD AZ122J R CARBON FILM 1 6 1 2K OHM J R357 HRFT563JCA R CHIP 1 10 56K OHM J 2012 R358 RD AZ122J R CARBON FILM 1 6 1 2K OHM J R359 RD AZ563J R CARBON FILM 1 6 56K OHM J R360...

Page 61: ...0 OHM J SMALL R503 RW02Z918JN R WIRE WOUND 2W 0 91 OHM J NON INDUCT R504 RS02Z399J R M OXIDE FILM 2W 3 9 OHM J R505 RD AZ753J R CARBON FILM 1 6 75K OHM J R510 RD AZ101J R CARBON FILM 1 6 100 OHM J R51...

Page 62: ...R CARBON FILM 1 6 2 7K OHM J R551 HRFT103JCA R CHIP 1 10 10K OHM J 2012 R552 HRFT202JCA R CHIP 1 10 2K OHM J 2012 R553 HRFT471JCA R CHIP 1 10 470 OHM J 2012 R554 HRFT472JCA R CHIP 1 10 4 7K OHM J 2012...

Page 63: ...02J R CARBON FILM 1 6 3K OHM J R703 RD AZ153J R CARBON FILM 1 6 15K OHM J R704 RD AZ273J R CARBON FILM 1 6 27K OHM J R801 RD AZ750J R CARBON FILM 1 6 75 OHM J R802 RD AZ750J R CARBON FILM 1 6 75 OHM J...

Page 64: ...LM 1 4 120K OHM J R839 RD 4Z122J R CARBON FILM 1 4 1 2K OHM J R841 HRFT102JCA R CHIP 1 10 1K OHM J 2012 R842 RD AZ154J R CARBON FILM 1 6 150K OHM J R843 RD AZ474J R CARBON FILM 1 6 470K OHM J R844 RD...

Page 65: ...LM 1 6 3 3K OHM J R881 RD AZ103J R CARBON FILM 1 6 10K OHM J R882 RD AZ203J R CARBON FILM 1 6 20K OHM J R883 RD AZ123J R CARBON FILM 1 6 12K OHM J R884 RD AZ123J R CARBON FILM 1 6 12K OHM J R885 RD AZ...

Page 66: ...00007 SOCKET CRT ISDS08S SG991 DWSP201M SURGE ABSORBER WSP 201M SG993 DWSP201M SURGE ABSORBER WSP 201M SG995 DWSP201M SURGE ABSORBER WSP 201M SG997 4SG0D00104 SPARK GAP S 23 1 5KV SW701 5S50101Z10 SW...

Page 67: ...OVERSEAS SERVICE DEPT DAEWOO ELECTRONICS CO LTD 686 AHYEON DONG MAPOGU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC FAX 02 590 6291 TEL 02 360 7114 590 6151 5 http ww...

Search results

Summary of Contents for 901D

Reviews:

Related manuals for 901D

Brands by name

Popular brands

Daewoo 901D, Service Manual

Search results

Summary of Contents for 901D

Reviews:

Related manuals for 901D

Brands by name

Popular brands