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F001A

9977410900

FUSE CLIP

BSP3-H T0.4 SN 5.2

F001B

9977410900

FUSE CLIP

BSP3-H T0.4 SN 5.2

IC001

1STRF6653-

IC POWER

STR-F6653

IC101

1KA431ZTA-

IC SHUNT

KA431ZTA

IC102

1XC62A500-

IC REGULATOR

XC62AP5002TH

IC103

1K1A7812P1

IC REGULATOR

KIA7812PI

IC201

1DWM240T--

IC MICOM

NT68P62

IC202

1M24C04BN6

IC EEPROM

M24C04-BN6

IC203

1KA7542---

IC VOTAGE DETECTOR

KA7542

IC204

1DW0SD03--

IC OSD

DWOSD03

IC401

1TDA4866--

IC V-OUT

TDA4866

IC501

1TDA4858--

IC H-OSC

TDA4858

IC801

1MC13282EP

IC VIDEO PREAMP

MC13282EP

L501

5CPZ568K03

COIL PEAKING

0.56UH K (AXIAL 7MM)

L502

5MH0000064

COIL H-LINEARITY

TRL-523X

L503

5MC0000060

COIL CHOKE

TCH-18A

L801

5CPZ279K03

COIL PEAKING

2.7UH K (AXIAL 7MM)

L802

5CPZ478K03

COIL PEAKING

0.47UH K (AXIAL 7MM)

L831

5CPZ279K03

COIL PEAKING

2.7UH K (AXIAL 7MM)

L832

5CPZ398K03

COIL PEAKING

0.39UH K (AXIAL 7MM)

L861

5CPZ229K03

COIL PEAKING

2.2UH K (AXIAL 7MM)

L862

5CPZ398K03

COIL PEAKING

0.39UH K (AXIAL 7MM)

L891

5CPZ101K04

COIL PEAKING

100UH K (AXIAL 10.5MM)

P001

9979500012

RECEPTACLE

02ME4E1/FILTER EMI

P002

9977410800

TERMINAL PIN

BSP1(SN) L=15MM

P003

9977410800

TERMINAL PIN

BSP1(SN) L=15MM

P004

9977410800

TERMINAL PIN

BSP1(SN) L=15MM

P005

9977410800

TERMINAL PIN

BSP1(SN) L=15MM

P006

9977410800

TERMINAL PIN

BSP1(SN) L=15MM

P007

9977410800

TERMINAL PIN

BSP1(SN) L=15MM

P008

9977410800

TERMINAL PIN

BSP1(SN) L=15MM

P009

9977410800

TERMINAL PIN

BSP1(SN) L=15MM

P010

9977410800

TERMINAL PIN

BSP1(SN) L=15MM

PA001 W1173D831-

CORD POWER

SP30+IS14(I)

PH001 1TLP721GR-

IC PHOTO COUPLER

TLP721D4GR

Q101

TKTA1273Y-

TR

KTA1273-Y

Q102

TZTC3198Y-

TR

KTC3198Y-(1815Y) (AUTO)

Q103

TKTA1273Y-

TR

KTA1273-Y

Q104

TZTC3198Y-

TR

KTC3198Y-(1815Y) (AUTO)

Q105

TZTC3198Y-

TR

KTC3198Y-(1815Y) (AUTO)

Q202

TZTC3198Y-

TR

KTC3198Y-(1815Y) (AUTO)

Q203

TZTC3198Y-

TR

KTC3198Y-(1815Y) (AUTO)

Q204

TZTC3198Y-

TR

KTC3198Y-(1815Y) (AUTO)

Q205

TZTC3198Y-

TR

KTC3198Y-(1815Y) (AUTO)

Q401

TZTC3198Y-

TR

KTC3198Y-(1815Y) (AUTO)

Q501

TZTC3198Y-

TR

KTC3198Y-(1815Y) (AUTO)

Q502

TZTC3198Y-

TR

KTC3198Y-(1815Y) (AUTO)

Q503

TZTC3198Y-

TR

KTC3198Y-(1815Y) (AUTO)

Q504

TZTC3198Y-

TR

KTC3198Y-(1815Y) (AUTO)

Q505

TBSN254A--

FET

BSN254A

Q506

TBU2520DX-

TR

BU2520DX

Q507

TZTC3198Y-

TR

KTC3198Y-(1815Y) (AUTO)

Q508

TZTC3198Y-

TR

KTC3198Y-(1815Y) (AUTO)

Q509

TZTA1266Y-

TR

KTA1266Y- (AUTO)(1015Y)

Q510

T1RF630A--

FET

IRF630A

LOC

PART-CODE

PART-NAME

PART-DESC

D508

DFMP2FUR--

DIODE

FMP-2FUR

D509

DZN4148---

DIODE

1N4148 AUTO 52MM

D510

DD1NL20U--

DIODE

D1NL20U

D511

DZN4148---

DIODE

1N4148 AUTO 52MM

D512

DZN4148---

DIODE

1N4148 AUTO 52MM

D513

DZN4148---

DIODE

1N4148 AUTO 52MM

D518

DZN4148---

DIODE

1N4148 AUTO 52MM

D519

DZN4148---

DIODE

1N4148 AUTO 52MM

D520

DZN4148---

DIODE

1N4148 AUTO 52MM

D560

DRGP10D---

DIODE

RGP 10-D (TAPPING)

D561

D1N4002A--

DIODE

1N4002

D562

D1N4004---

DIODE

1N4004

D564

DZN4148---

DIODE

1N4148 AUTO 52MM

D565

DZN4148---

DIODE

1N4148 AUTO 52MM

D566

DZN4148---

DIODE

1N4148 AUTO 52MM

D567

DZN4148---

DIODE

1N4148 AUTO 52MM

D568

DZN4148---

DIODE

1N4148 AUTO 52MM

D569

DZN4148---

DIODE

1N4148 AUTO 52MM

D580

DZN4148---

DIODE

1N4148 AUTO 52MM

D581

DZN4148---

DIODE

1N4148 AUTO 52MM

D582

DZN4148---

DIODE

1N4148 AUTO 52MM

D590

DZN4148---

DIODE

1N4148 AUTO 52MM

D801

DZN4148---

DIODE

1N4148 AUTO 52MM

D802

DZN4148---

DIODE

1N4148 AUTO 52MM

D803

DZN4148---

DIODE

1N4148 AUTO 52MM

D804

DZN4148---

DIODE

1N4148 AUTO 52MM

D805

DZN4148---

DIODE

1N4148 AUTO 52MM

D806

DZN4148---

DIODE

1N4148 AUTO 52MM

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

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

D890

DZN4148---

DIODE

1N4148 AUTO 52MM

DG

5MG0000056

COIL DEGAUSSING

DG-1512BA

DL211

DSD50GYW--

LED

SD50GYW(GREEN/AMBER)

DZ109 DDZ8R2BM--

DIODE ZENER

DZ8.2BM

DZ201 DDZ5R1B---

DIODE ZENER

DZ-5.1B

DZ202 DDZ5R1B---

DIODE ZENER

DZ-5.1B

DZ203 DDZ5R1B---

DIODE ZENER

DZ-5.1B

DZ204 DDZ5R1B---

DIODE ZENER

DZ-5.1B

DZ205 DDZ5R1B---

DIODE ZENER

DZ-5.1B

DZ206 DDZ5R1B---

DIODE ZENER

DZ-5.1B

DZ516 DDZ15BM---

DIODE ZENER

DZ15BM

DZ517 DDZ15BM---

DIODE ZENER

DZ15BM

DZ563 DDZ5R1B---

DIODE ZENER

DZ-5.1B

DZ580 DDZ10BM---

DIODE ZENER

DZ10BM

F001

5F3CB3122L

FUSE CERA

SEMKO TL 3.15AH 250V MF51

LOC

PART-CODE

PART-NAME

PART-DESC

40

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Summary of Contents for 432X

Page 1: ...ServiceManual XGA COLOR MONITOR Model 432X 523X DAEWOO ELECTRONICS CO LTD OVERSEAS SERVICE DEPT...

Page 2: ...NICAL INFORMATION 6 GENERAL INFORMATION 7 PIN CONNECTOR 8 CAUTIONS FOR ADJUSTMENT AND REPAIR 8 OPERATION AND ADJUSTMENT 9 ALIGNMENT PROCEDURE 12 TROUBLESHOOTING HINTS 14 BLOCK DIAGRAM 28 PCB LAYOUT 29...

Page 3: ...ical 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...

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 Aceton and 90 by volume isopropyl alchohol 90 99 strength 6 Do not defeat any plug socket B volta...

Page 6: ...d 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 mater...

Page 7: ...n anti static suction type solder removal device or with desoldering braid before removing the IC Replacement 1 Carefully insert the replacement IC in the circuit board 2 Carefully bend each IC lead a...

Page 8: ...Securely crimp each connection and solder it 5 Inspect the solder joints of the two original leads on the circuit board copper side If they are not shiny reheat them and apply additional solder if nec...

Page 9: ...monitor has a maximum horizontal resolution of 1024 dots and a maximum vertical resolution of 768 lines for superior clarity of display By accepting analog signal inputs which level is zero to 0 7 Vol...

Page 10: ...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 Completely discharge high voltage before servicing...

Page 11: ...d function Move 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 Increa...

Page 12: ...10 Key Process MENU Start When you choose the icon on the OSD window you can exit the OSD screen Hot Key BRIGHTNESS CONTRAST...

Page 13: ...play Settings LANGUAGE RECALL OSD Functions Adjust the left and right margins for more convex or more concave margins Adjust the trapezoid of the screen by moving the lines inward or outward PINCUSHIO...

Page 14: ...s 4 Geometric Distortion Adjustment a Receive the cross hatch pattern of factory preset mode b Pincushion Trapezoid are adjusted the best geometric status 5 White Balance Adjustment a Select 9300 K on...

Page 15: ...arying the angle between the two tabs of the 4 pole magnets d Horizontal red and blue lines are converged by varying the tabs together keeping the angle between them constant e Apply a yellow cross ha...

Page 16: ...ts ambient circuit Trouble in 8Vdc line of the Main PWB 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 Bk...

Page 17: ...Refer to trouble in power supply unit Is CRT heater red hot No Yes No No No No Yes No Yes Yes Yes Yes No Is Heater Voltage CRT PWB about 6V Increase the Brightness Contrast control level fully Maximu...

Page 18: ...G2 voltage normal Is the output of pre amp IC801 pin 15 19 22 all normal Check video signal cable or video card Trouble in IC801 or its ambient circuit Trouble in video output circuit Q803 Q804 Q833 Q...

Page 19: ...OSD Font Is the output of IC204 PIN 21 22 23 normal Refer to Missing Color No Yes Yes Yes If menu key selected Trouble in IC801 and its ambient circuit No No Yes Is the Fast Blanking signal IC204 pin...

Page 20: ...ble in Q505 T501 If the holddown circuit stops the horizontal oscillator during the check turn off the power then turn on again about 10 seconds later Yes Yes Yes Check the circuit of P S U No Trouble...

Page 21: ...of the IC501 correct Trouble in IC501 or its ambient circuit Is the pulse of pin 33 of the IC201 correct Check IC501 and its ambient circuit No No No Yes Yes Is the input H Sync correct Check IC201 an...

Page 22: ...oltage is correct Refer to P S U Is the pulse of pin 4 6 of the IC401 correct Trouble in vertical D Y No No No Yes Yes Is the output of pin 12 13 of IC501 all normal Check IC401 and its ambient circui...

Page 23: ...21 7 Focus Monitor remains unfocused Check Focus VR in FBT Is focus acceptable Trouble in Focus circuit FBT Yes OK No...

Page 24: ...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 25: ...e base of Q521 changeable No Yes Is the DC level of C221 changeable Yes No Check the Q519 Q520 and its ambient circuit Is the collector pulse of Q506 correct Is the cathode waveform of D508 correct Ch...

Page 26: ...24 9 2 Vertical Size Is the DC voltage of C219 changeable Check the IC201 and its ambient circuit No Trouble in Vertical Output Circuit Refer to Vertical Output circuit Yes Abnormal V Size...

Page 27: ...8 Q522 and its ambient circuit Yes Pincusion distortion is excessive or barrel O K Select the pincushion icon in OSD menu and adjust acceptable position Yes Is the waveform of IC501 pin 11 correct No...

Page 28: ...or IC001 and its ambient circuit Trouble in diode D001 D002 D003 D004 or peripheral device No Is the waveform of T001 pin5 correct Trouble in T001 or D101 No Trouble in P S U Is power switch on Switc...

Page 29: ...27 Is voltage of IC102 pin 3 5Vdc Trouble in IC102 D103 No Is voltage of C108 35Vdc No Yes Yes Yes Is voltage of IC103 pin3 12Vdc Trouble in D106 Q103 Q104 IC103 P S U O K Trouble in D104 T001 No A...

Page 30: ...SIZE H V POS G D H FBP H LIN V BLK SCL SDA F BLK R G B OSD DY SIGNAL IN PRE AMP MC13282EP VIDEO OUT BIAS BFQ225 PH2369 BFQ221 BFQ241 BRIGHT CONTROL EEPROM 24LC04B MCU NT6862 OSD GEN DWOSD04 CONTRAST A...

Page 31: ...PCB LAYOUT 29 Main PCB Component Side...

Page 32: ...30 Main PCB Solder Side...

Page 33: ...31 Video PCB Component Side Video PCB Solder Side...

Page 34: ...32 SCHEMATIC DIAGRAM...

Page 35: ...33...

Page 36: ...34...

Page 37: ...35...

Page 38: ...EXPLODED VIEW DIAGRAM 36...

Page 39: ...placing any components use only manufacturer s specified parts Abbreviation of Description Fig Part No Description Index R101 Resistors RE 42820J Carbon 82J R102 RD 4Z201J Carbon1 4W 200J Allowance F...

Page 40: ...ZCA C CHIP CERA 50V Z5U 0 1MF Z 2012 C216 CEXF1H479V C ELECTRO 50V RSS 4 7MF 5X11 TP C217 CEXF1H479V C ELECTRO 50V RSS 4 7MF 5X11 TP C218 CEXF1H479V C ELECTRO 50V RSS 4 7MF 5X11 TP C219 CEXF1H229V C E...

Page 41: ...41 CEXF2A109V C ELECTRO 100V RSS 1MF 5 11 TP C842 HCZK104ZCA C CHIP CERA 50V Z5U 0 1MF Z 2012 C861 HCZK104ZCA C CHIP CERA 50V Z5U 0 1MF Z 2012 C862 HCZK104ZCA C CHIP CERA 50V Z5U 0 1MF Z 2012 C863 CEX...

Page 42: ...4A FET BSN254A Q506 TBU2520DX TR BU2520DX Q507 TZTC3198Y TR KTC3198Y 1815Y AUTO Q508 TZTC3198Y TR KTC3198Y 1815Y AUTO Q509 TZTA1266Y TR KTA1266Y AUTO 1015Y Q510 T1RF630A FET IRF630A LOC PART CODE PART...

Page 43: ...6 4 7K OHM J R245 HRFT202JCA R CHIP 1 10 2K OHM J 2012 R247 RD AZ393J R CARBON FILM 1 6 39K OHM J R250 HRFT101JCA R CHIP 1 10 100 OHM J 2012 R251 HRFT101JCA R CHIP 1 10 100 OHM J 2012 R252 RD AZ151J...

Page 44: ...HRFT273JCA R CHIP 1 10 27K OHM J 2012 R571 HRFT333JCA R CHIP 1 10 33K OHM J 2012 LOC PART CODE PART NAME PART DESC R255 HRFT562JCA R CHIP 1 10 5 6K OHM J 2012 R256 HRFT105JCA R CHIP 1 10 1M OHM J 2012...

Page 45: ...TAP X201 5PEF0EC8T4 RESONATOR EFOEC8004T4 LOC PART CODE PART NAME PART DESC R572 RD AZ563J R CARBON FILM 1 6 56K OHM J R573 HRFT622JCA R CHIP 1 10 6 2K OHM J 2012 R574 HRFT203JCA R CHIP 1 10 20K OHM...

Page 46: ...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 www...

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