Daewoo 103FH Скачать руководство пользователя страница 39 | Manualshive

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Control PCB Component Side

Control PCB Solder Side

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Содержание 103FH

Страница 1: ...DAEWOO ELECTRONICS CO LTD http svc dwe co kr Service Manual XGA COLOR MONITOR Model 103FH November 2000...

Страница 2: ...ON 6 GENERAL INFORMATION 7 PIN CONNECTOR 8 CAUTIONS FOR ADJUSTMENT AND REPAIR 8 OPERATION ADJUSTMENT 9 ALIGNMENT PROCEDURE 14 TROUBLESHOOTING HINTS 16 BLOCK DIAGRAM 32 PCB LAYOUT 33 SCHEMATIC DIAGRAM...

Страница 3: ...itical parts should be replaced with manufacturer s specified parts to prevent X Ray shock fire or other hazards Do not modify the original design without getting written permission from DAEWOO ELECTR...

Страница 4: ...ult in damage 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 Statement...

Страница 5: ...o the contacts with a pipe cleaner cotton tipped stick or comparable nonabrasive applicator 10 by volume Aceton and 90 by volume isopropyl alchohol 90 99 strength 6 Do not damage any plug socket B vol...

Страница 6: ...S devices are packaged with leads electrically shorted together by conductive foam aluminum foil or comparable conductive material 7 Immediately before removing the protective material from the leads...

Страница 7: ...uit 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 area...

Страница 8: ...ch 0 25mm Face Treatment Anti reflect Anti static Video Input Signal R G B Analog Pixel Clock 230 MHz Input Sync TTL separate negative positive H V Sync on Green negative Composite H V Sync negative p...

Страница 9: ...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 disp...

Страница 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...

Страница 11: ...cursor to the left window on the OSD window Decrease the value of any selected function Launch OSD On Screen Display MENU window Move cursor to the high window on the OSD window Increase the value of...

Страница 12: ...10 DEUTSCH ENGL SH ESPA OL FRANCA S TAL ANO Key Process Start MENU When you choose the icon on the OSD window you can exit the OSD screen...

Страница 13: ...ITY V LINEARITY Adjust the horizontal linearity Adjust the vertical linearity Select language for OSD 5 languages LANGUAGE Adjust the position of the display horizontally left or right and vertically...

Страница 14: ...PIN S Control PARALLELOGRAM Reset the screen to the Factory Preset Display Settings Display a RGB Color Bar to determine whether the screen color is expressed normally or not TEST PATTERN RECALL Displ...

Страница 15: ...nction checks if the status of the monitor is No Signal or Out of range No Signal screen is displayed when the D Sub signal connector is not connected or the status of the monitor is on DPMS mode Out...

Страница 16: ...controls are adjusted at each mode In Factory Auto Alignment was done at each mode Therefore Factory preset mode has it s own value according to each control 3 Focus a Set brightness control to Center...

Страница 17: ...y 0 311 0 015 If the color coordinates is 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 p Recei...

Страница 18: ...heir ambient circuit Trouble in 12Vdc line of the Main PWA Check the clamping pulse circuit Check the signal cable No Character Is whole screen bright Yes Yes Yes Yes Yes No No No No No Yes Yes Rk Gk...

Страница 19: ...U Refer to trouble in P S U Is CRT heater red hot No No No No No No No Yes Yes Yes Yes Yes Yes Yes Yes Is Heater Voltage CRT PCB about 6 3V Turn the Brightness Contrast control fully Maximum No Raste...

Страница 20: ...G1 G2 voltage normal Is the output of pre amp IC802 M52742ASP pin 29 32 35 all normal Check video signal cable or video card Trouble in IC802 or its ambient circuit Trouble in video output circuit IC...

Страница 21: ...s the Fast Blanking signal normal Abnormal OSD Font Is the output of IC804 pin 13 14 15 normal Trouble in IC804 or its ambient circuit Trouble in IC802 or its ambient circuit Trouble in IC804 and its...

Страница 22: ...tal output circuit No Raster Yes No Is the Collector waveform of Q502 or Q503 normal NO Trouble in Q502 Q503 Trouble in Q504 T506 Yes NO Yes NO Yes NO Yes Trouble in H Sync 13Vpp 12V 12Vpp 0 7V 0 2V I...

Страница 23: ...C501 correct Trouble in IC501 or its ambient circuits Is the pulse of pin 42 of the IC201 correct Check IC201 and its ambient circuits Check IC201 and its ambient circuits NO Is the input H Sync corre...

Страница 24: ...S U 2 Check the D108 13Vdc Q106 17Vdc and their ambient circuit No Yes Is the output waveform of IC401 pin 5 normal V DY failure Trouble in V Sync line or IC501 failure Yes No Is the output pulse of...

Страница 25: ...23 7 Focus Monitor remains unfocused Adjust finely Focus VR in HVG Is focus acceptable Trouble in Focus circuit HVG Refer to focus is poor Yes No OK No...

Страница 26: ...line 2 Check Q607 Q602 Q603 Q605 and Q604 3 Check the waveform of pin 13 in IC501 4 Check the DZ610 DZ611 FVH FVH FVV FVV No Yes Yes Is the waveform of the pin 13 in IC501 correct Yes Is the collector...

Страница 27: ...onvergence Is convergence on the center area bad Is convergence on the fringe area bad Adjust static convergence Refer to Adjustment procedure of convergence Yes Adjust D Y Location Yes No Poor conver...

Страница 28: ...heck the Q520 D505 and their ambient circuit Check the IC508 Q506 and their ambient circuit Yes NO Yes NO Yes NO Yes Trouble in IC501 226V 0 Yes Control the VR501 Check the pin 2 in IC505 No Is the wa...

Страница 29: ...in R401 C401 Check the IC501 and its ambient circuit 1 Trouble in IC401 2 Check the 12Vdc line No No Trouble in R410 Yes Yes Is the waveform of the pin5 of IC401 correct No Is changeable the DC level...

Страница 30: ...e of the R622 correct No Yes Yes Trouble in H V output circuit Trouble in HVG Refer to trouble in R S V Is VB 185Vdc 12V lines correct No Is the voltage of the pin3 ON OFF in HVG ON level 1 5V 15V Che...

Страница 31: ...Check IC504 or its ambient circuit Is the waveform of pin9 in IC501correct Yes No Check IC501 or its ambient circuit Trouble in V Sync Is the waveform of pin28 in IC501 V Sync normal Yes No No When th...

Страница 32: ...waveform of T001 pin 7 correct Trouble in T001 IC001 and check cold soldering of IC001 No Trouble in P S U Is power switch on Switch on No Yes Yes Yes Yes Yes Yes Is voltage of C103 226Vdc Trouble in...

Страница 33: ...ouble in IC103 No Is voltage of C107 28Vdc No Yes Yes Yes Is voltage of C111 17Vdc Trouble in Q106 D106 P S U O K Trouble in D105 No Is voltage of C109 5Vdc Trouble in IC101 No Yes Yes Is voltage of C...

Страница 34: ...DC KEY CONTROL EEPROM 24C08 CS H LIN H DRV H SIZE G1 MUTE STEP UP MC34262 FLYBACK CIRCUIT DPMS START UP KA3882 KA431 CLAMP H C V C TILT H V PROCESSOR uPC1884BCT VERTICAL OUT TDA8177 H DEF CONTROL KA38...

Страница 35: ...33 PCB LAYOUT Main PCB Component Side...

Страница 36: ...34 Main PCB Solder Side...

Страница 37: ...35 Video PCB Component Side...

Страница 38: ...36 Video PCB Solder Side...

Страница 39: ...37 Control PCB Component Side Control PCB Solder Side...

Страница 40: ...38 Socket PCB Component Side Socket PCB Solder Side...

Страница 41: ...39 SCHEMATIC DIAGRAM Power PFC Circuit...

Страница 42: ...40 MCU OSD Key Deflection Dynamic Circuit...

Страница 43: ...41 Deflection H V Circuit...

Страница 44: ...42 Video Vertical Convergence Tilt Circuit...

Страница 45: ...EXPLODED VIEW MECHANICAL PARTS LIST 43...

Страница 46: ...any components use only manufacturer s specified parts Abbreviation of Description Fig Part No Description Index R101 Resistors RD 4Z820J Cabron 82J INFORMATION OF PART DESCRIPTION 44 Tolerance F 1 J...

Страница 47: ...pecified in the parts list LOC PART CODE PART NAME PART DESC BD806 5PB13857 COIL BEAD BI3857 AXIAL BD807 5PB13857 COIL BEAD BI3857 AXIAL BD808 5MBFD3565R COIL BEAD BFD 3565 R2 BD833 5PB13857 COIL BEAD...

Страница 48: ...V CH 22PF J 2012 C242 HCQK220JCA C CHIP CERA 50V CH 22PF J 2012 C243 CCZB1H102K C CERA 50V B 1000PF K LOC PART CODE PART NAME PART DESC C250 HCBK104KCA C CHIP CERA 50V X7R 0 1MF K 2012 C301 HCBK104KCA...

Страница 49: ...MYLAR PMA 400V 0 15MF J LOC PART CODE PART NAME PART DESC C569 CMYA2G124J C MYLAR MPA 400V 0 12MF J BULK C570 CMXF2G104J C MYLAR MPP 400V 0 1MF J C571 HCBK104KCA C CHIP CERA 50V X7R 0 1MF K 2012 C572...

Страница 50: ...12 C843 HCBK104KCA C CHIP CERA 50V X7R 0 1MF K 2012 C844 HCBK103KCA C CHIP CERA 50V X7R 0 01MF K 2012 LOC PART CODE PART NAME PART DESC C845 HCQK220JCA C CHIP CERA 50V CH 22PF J 2012 C846 CEXD2A109F C...

Страница 51: ...DIODE RG2 VERY HIGH SPEED D109 D1N4002A DIODE 1N4002 D111 D1N4002A DIODE 1N4002 D113 DZN4148 DIODE 1N4148 AUTO 52MM D114 DS2L60 R DIODE S2L60 D115 DS2L60 R DIODE S2L60 D116 DS2L60 R DIODE S2L60 D201 D...

Страница 52: ...04 5PF1FH104M FILTER LC CFI 06 F 1H 104M EF201 5PF1FH104M FILTER LC CFI 06 F 1H 104M EF202 5PF1FH104M FILTER LC CFI 06 F 1H 104M EF203 5PF1FH104M FILTER LC CFI 06 F 1H 104M EF501 5PF1FH104M FILTER LC...

Страница 53: ...22A Q806 TKST2222A TR CHIP KST2222A Q807 TKST2222A TR CHIP KST2222A Q808 TKST2222A TR CHIP KST2222A Q809 TKST2222A TR CHIP KST2222A Q810 TKSR1102 TR CHIP KSR1102 Q811 TKST2222A TR CHIP KST2222A Q812 T...

Страница 54: ...3J R CARBON FILM 1 6 22K OHM J R234 RD 4Z151J R CARBON FILM 1 4 150 OHM J LOC PART CODE PART NAME PART DESC R235 RD 4Z151J R CARBON FILM 1 4 150 OHM J R239 HRFT102JCA R CHIP 1 10 1K OHM J 2012 R240 HR...

Страница 55: ...OHM J R555 RN AZ8259F R METAL FILM 1 6 82 5 OHM F LOC PART CODE PART NAME PART DESC R556 HRFT104JCA R CHIP 1 10 100K OHM J 2012 R557 RS01Z154J R M OXIDE FILM 1W 150K OHM J TAPPING R558 RD 2Z109J R CAR...

Страница 56: ...F R8020 HRFT102JCA R CHIP 1 10 1K OHM J 2012 R8021 HRFT153JCA R CHIP 1 10 15K OHM J 2012 LOC PART CODE PART NAME PART DESC R803 RD AZ220J R CARBON FILM 1 6 22 OHM J R804 RN AZ7509F R METAL FILM 1 6 75...

Страница 57: ...75 OHM J 2012 R906 RD 4Z220J R CARBON FILM 1 4 22 OHM J R907 RD 4Z220J R CARBON FILM 1 4 22 OHM J LOC PART CODE PART NAME PART DESC R908 HRFT750JCA R CHIP 1 10 75 OHM J 2012 R909 HRFT750JCA R CHIP 1 1...

Страница 58: ...DAEWOO ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC E mail G7F00E web dwe co kr TEL 82 32 510 7620 FAX 82 32 510 7630...

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