background image

50

D809

DZN4148---

DIODE

1N4148 AUTO 52MM

D810

D1NS4-----

DIODE

1NS4

D811

DZN4148---

DIODE

1N4148 AUTO 52MM

D812

DZN4148---

DIODE

1N4148 AUTO 52MM

D813

RD-AZ100J-

R CARBON FILM

1/6 10 OHM J

D814

RD-AZ100J-

R CARBON FILM

1/6 10 OHM J

D831

DZN4148---

DIODE

1N4148 AUTO 52MM

D832

DZN4148---

DIODE

1N4148 AUTO 52MM

D833

DZN4148---

DIODE

1N4148 AUTO 52MM

D834

DZN4148---

DIODE

1N4148 AUTO 52MM

D835

DZN4148---

DIODE

1N4148 AUTO 52MM

D836

DZN4148---

DIODE

1N4148 AUTO 52MM

D837

DBAV20----

DIODE

BAV20

D841

DZN4148---

DIODE

1N4148 AUTO 52MM

D842

DZN4148---

DIODE

1N4148 AUTO 52MM

D861

DZN4148---

DIODE

1N4148 AUTO 52MM

D862

DZN4148---

DIODE

1N4148 AUTO 52MM

D863

DZN4148---

DIODE

1N4148 AUTO 52MM

D864

DZN4148---

DIODE

1N4148 AUTO 52MM

D865

DZN4148---

DIODE

1N4148 AUTO 52MM

D866

DZN4148---

DIODE

1N4148 AUTO 52MM

D867

DBAV20----

DIODE

BAV20

D871

DZN4148---

DIODE

1N4148 AUTO 52MM

D872

DZN4148---

DIODE

1N4148 AUTO 52MM

D991

DZN4148---

DIODE

1N4148 AUTO 52MM

DP001 5MG0000063

COIL DEGAUSSING

DG-103F

DSUB 9979200169

D-SUB PCB TYPE 15P15P DDC BLUE 11.6MM

DZ001 DDZ24BM---

DIODE ZENER

DZ24BM

DZ002 DUZ18BM---

DIODE ZENER

UZ-18BM

DZ003 DDZ24BM---

DIODE ZENER

DZ24BM

DZ101 DDZ13BM---

DIODE ZENER

DZ13BM

DZ201 DDZ5R6BM--

DIODE ZENER

DZ5.6BM

DZ202 DDZ5R6BM--

DIODE ZENER

DZ5.6BM

DZ203 DDZ5R6BM--

DIODE ZENER

DZ5.6BM

DZ501 DDZ8R2BM--

DIODE ZENER

DZ8.2BM

DZ502 DDZ5R1B---

DIODE ZENER

DZ-5.1B

DZ503 DDZ5R1B---

DIODE ZENER

DZ-5.1B

DZ509 DDZ15BM---

DIODE ZENER

DZ15BM

DZ610 DDZ5R6BM--

DIODE ZENER

DZ5.6BM

DZ611 DDZ7R5BM--

DIODE ZENER

DZ7.5BM

DZ801 DDZ5R6BM--

DIODE ZENER

DZ5.6BM

DZ802 DDZ5R6BM--

DIODE ZENER

DZ5.6BM

DZ803 DDZ5R6BM--

DIODE ZENER

DZ5.6BM

DZ804 DDZ5R6BM--

DIODE ZENER

DZ5.6BM

DZ805 DDZ5R6BM--

DIODE ZENER

DZ5.6BM

DZ806 DDZ5R6BM--

DIODE ZENER

DZ5.6BM

DZ807 DDZ5R6BM--

DIODE ZENER

DZ5.6BM

DZ808 DDZ5R6BM--

DIODE ZENER

DZ5.6BM

DZ809 DDZ5R1B---

DIODE ZENER

DZ-5.1B

DZ810 DDZ5R6BM--

DIODE ZENER

DZ5.6BM

DZ811 DDZ5R6BM--

DIODE ZENER

DZ5.6BM

DZ991 DDZ6R2BM--

DIODE ZENER

DZ6.2BM

LOC

PART-CODE

PART-NAME PART-DESC

EF104 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

CFI-06-F-1H-104M

EF801 5PF1FH104M

FILTER LC

CFI-06-F-1H-104M

EF802 5PF1FH104M

FILTER LC

CFI-06-F-1H-104M

EF803 5PF1FH104M

FILTER LC

CFI-06-F-1H-104M

EF804 5PF1FH104M

FILTER LC

CFI-06-F-1H-104M

F001

5F3CB3122L

FUSE CERA

SEMKO TL 3.15AH 250V MF51

I101A 1K1A78DL05

IC REGULATOR

KIA78DL05PI

I401A 1TDA8177--

IC VERTICAL

TDA8177

I503A 1KA317----

IC REGULATOR

KA317

I803A 1VPS16----

IC CRT DRIVE

VPS16

IC001 1KA3882---

IC PWM

1KA3882

IC102 1KA78R05--

IC REGULATOR

KA78R05

IC103 1KA78R12--

IC REGULATOR

KA78R12

IC104 1KA78R05--

IC REGULATOR

KA78R05

IC105 1KA431AZ--

IC REGULATOR

KA431AZ

IC201 1MC908BD48

IC MICOM

MC68HC908BD481B

IC202 124C08----

IC EEPROM

24C08

IC203 1K1A7042P-

IC SWITCH

KIA7042P

IC301 1KF347----

IC OPAMP

KF347

IC501 1UPC1884BC

IC H/V OSC

UPC1884BCT

IC504 1DBL358---

IC

DBL358 DUAL OP-AMP

IC505 1KA3843B--

IC

KA3843B

IC506 1DBL358---

IC

DBL358 DUAL OP-AMP

IC507 1K1D65003A

IC

KID65003AP

IC508 1KA393A---

IC

KA393A

IC801 1AN5870K--

IC S/W

AN5870K

IC802 1M52742ASP

IC VIDEO PRE-AMP

M52742ASP

IC804 1DW0SD06--

IC OSD

MTV021

IC805 1KA7808---

IC REGULATOR

KA7808

L201

5CPZ220K02

COIL PEAKING

22UH K (AXIAL 3.5MM)

L501

5CPZ101K03

COIL PEAKING

100UH K (AXIAL 7MM)

L502

5CPZ220K02

COIL PEAKING

22UH K (AXIAL 3.5MM)

L503

5MC0000003

COIL CHOKE

L-82

L504

5CPZ220K02

COIL PEAKING

22UH K (AXIAL 3.5MM)

L801

5CPZ101K03

COIL PEAKING

100UH K (AXIAL 7MM)

L802

5CPZ101K03

COIL PEAKING

100UH K (AXIAL 7MM)

L991

5CPZ128K02

COIL PEAKING

0.12UH K(AXIAL 3.5MM)

L993

5CPZ128K02

COIL PEAKING

0.12UH K(AXIAL 3.5MM)

L995

5CPZ128K02

COIL PEAKING

0.12UH K(AXIAL 3.5MM)

LE701 DSD50GYW--

LED

SD50GYW(GREEN/AMBER)

LF001 5PDLF2828-

FILTER LINE

DLF-2828

P2

4859242220

CONN WAFER

YFW800-02

PCB01 9979800504

PCB VIDEO

T=1.6*246*159

PCB01 9979800505

PCB CONTROL

T=1.6*168*35

PCB01 9979800507

PCB CRT

T=1.6*68*68

PCB01 9979800544

PCB MAIN

T=1.6*246*330

PH001 1TLP733F--

IC PHOTO COUPLER TLP733F

PR001 DECPAC140M POSISTOR

ECPAC140M290

LOC

PART-CODE

PART-NAME PART-DESC

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Summary of Contents for 103FH

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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: ...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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

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

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

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

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

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

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

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

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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