Daewoo CMC-518X Service Manual Download | Manualshive

Page: 49 / 61

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47

LOC

PART-CODE

PART-NAME

PART-DESC

D206

DZN4148---

DIODE

1N4148 AUTO 52MM

D210

DZN4148---

DIODE

1N4148 AUTO 52MM

D211

DZN4148---

DIODE

1N4148 AUTO 52MM

D212

DZN4148---

DIODE

1N4148 AUTO 52MM

D213

DZN4148---

DIODE

1N4148 AUTO 52MM

D214

DZN4148---

DIODE

1N4148 AUTO 52MM

D502

DZN4148---

DIODE

1N4148 AUTO 52MM

D504

DZN4148---

DIODE

1N4148 AUTO 52MM

D505

DZN4148---

DIODE

1N4148 AUTO 52MM

D507

DZN4148---

DIODE

1N4148 AUTO 52MM

D508

DZN4148---

DIODE

1N4148 AUTO 52MM

D510

DZN4148---

DIODE

1N4148 AUTO 52MM

D511

DZN4148---

DIODE

1N4148 AUTO 52MM

D517

DZN4148---

DIODE

1N4148 AUTO 52MM

D518

DZN4148---

DIODE

1N4148 AUTO 52MM

D524

DZN4148---

DIODE

1N4148 AUTO 52MM

D525

DZN4148---

DIODE

1N4148 AUTO 52MM

D528

DZN4148---

DIODE

1N4148 AUTO 52MM

D529

DZN4148---

DIODE

1N4148 AUTO 52MM

D531

DZN4148---

DIODE

1N4148 AUTO 52MM

E1

4856310200

EYE LET

BSR T0.2 (R2.0)

E10

4856310200

EYE LET

BSR T0.2 (R2.0)

E11

4856310300

EYE LET

BSR T0.2 (R1.6)

E12

4856310300

EYE LET

BSR T0.2 (R1.6)

E13

4856310300

EYE LET

BSR T0.2 (R1.6)

E14

4856310300

EYE LET

BSR T0.2 (R1.6)

E15

4856310300

EYE LET

BSR T0.2 (R1.6)

E16

4856310300

EYE LET

BSR T0.2 (R1.6)

E17

4856310300

EYE LET

BSR T0.2 (R1.6)

E18

4856310300

EYE LET

BSR T0.2 (R1.6)

E2

4856310200

EYE LET

BSR T0.2 (R2.0)

E3

4856310200

EYE LET

BSR T0.2 (R2.0)

E4

4856310200

EYE LET

BSR T0.2 (R2.0)

E5

4856310200

EYE LET

BSR T0.2 (R2.0)

E6

4856310200

EYE LET

BSR T0.2 (R2.0)

E7

4856310200

EYE LET

BSR T0.2 (R2.0)

E8

4856310200

EYE LET

BSR T0.2 (R2.0)

E9

4856310200

EYE LET

BSR T0.2 (R2.0)

J001

85801052GY

WIRE COPPER

1/0.52 TIN COATING

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Summary of Contents for CMC-518X

Page 1: ...Service Manual XGA COLOR MONITOR Model CMC 518X DAEWOOELECTRONICSCO LTD OVERSEASSERVICEDEPT DAEWOO ELECTRONICS CO LTD...

Page 2: ...CHNICAL INFORMATION 6 GENERAL INFORMATION 7 PIN CONNECTOR 8 CAUTIONS FOR ADJUSTMENT AND REPAIR 8 ALIGNMENT PROCEDURE 9 TROUBLESHOOTING HINTS 11 OPERATION ADJUSTMENT 25 BLOCK DIAGRAM 28 PCB LAYOUT 29 S...

Page 3: ...used in analog color display which are important for safety These parts are shaded on the schematic diagram and on the replacement parts list It is essential that these critical parts should be replac...

Page 4: ...Symbols in the manual This symbol indicates where applicable cautionary or other information is to be found Symbols as marked on equipment Protective GROUND terminal High Voltage Warning And Critical...

Page 5: ...e cleaner cotton tipped stick or comparable nonabrasive applicator 10 by volume Aceton and 90 by volume isopropyl alcohol 90 99 strength 6 Do not defeat any plug socket B voltage interlocks with which...

Page 6: ...horted 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...

Page 7: ...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 against the circuit foil pad and solder it...

Page 8: ...board 4 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 sold...

Page 9: ...nd Apple Macintosh Video Card And so this color monitor has a maximum horizontal resolution of 1024 dots and a maximum vertical resolution of 768 lines for superior clarity of display By accepting ana...

Page 10: ...l 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 Completely disc...

Page 11: ...atic focus and Dynamic focus 4 Geometric Distortion Adjustment a Receive the cross hatch pattern of 54KHz mode signal b Pin balance Pin center Pin corner Parallelogram are adjusted the best geometric...

Page 12: ...all focus on the display Also adjust the brightness to the desired condition c Vertical red and blue lines are converged by varying the angle between the two tabs of the 4 pole magnets d Horizontal r...

Page 13: ...pre amp IC801 normal Rk Gk Bk Change the Contrast Brightness control value to maximum No Raster Check the peripheral circuit of CRT Check the Video output circuit and IC801 pin 2 4 6 and their ambient...

Page 14: ...about 70V Is CRT G2 screen voltage about 560V Is 65Vdc line normal Yes Does increasing of the Brightness control level make screen bright No No No Raster Increase the Brightness Contrast control level...

Page 15: ...uit Trouble in G1 line and G2 line One color is missing Is input signal normal Is the output of pre amp IC801 pin 15 19 22 all normal CRT Cathode Rk Gk Bk is normal Each grid G1 G2 voltage normal Is v...

Page 16: ...and its ambient circuit Trouble in IC204 or its ambient circuit Abnormal OSD Font Is menu key selected Is OSD Font exist No Is the Fast Blanking signal IC204 pin12 normal No Yes Is the output of IC20...

Page 17: ...e in Q501 T501 Q501 and its ambient cirucit Check the circuit of P S U No Trouble in IC501 Trouble in H sync line If the holddown circuit stops the horizontal oscillator during the check turn off the...

Page 18: ...cuit Unstable picture Is the pulse of pin 15 of the IC501 correct Yes No Check IC201 and its ambient circuit Is the pulse of pin 33 of the IC201 correct Yes No Check the IC201 and its ambient circuit...

Page 19: ...ure Is the 12Vdc line voltage is correct Yes No Trouble in vertical D Y Is the pulse of pin 4 6 of the IC401 correct Yes No Check the IC401 and its ambient circuit Is the output of pin 12 13 of IC501...

Page 20: ...7 Focus 18 Yes OK Check Focus VR in FBT Is Focus acceptable Monitor remains unfocused Trouble in Focus circuit FBT No...

Page 21: ...ergence 19 Yes Yes No Is convergence on the center area bad Is convergence on the fringe area bad Poor convergence Adjust static convergence Refer to Adjustment procedure of convergence Adjust D Y Loc...

Page 22: ...efer to Horizontal Output circuit Yes No Yes Check the Q515 Q516 and its ambient circuit Check the IC201 and its ambient circuit Trouble in H OSC Deflection Circuit Trouble in Horizontal output circui...

Page 23: ...9 2 Vertical Size 21 Yes Is changeable the DC voltage of IC201 pin37 Refer to Vertical Output circuit No Check the IC201 and its ambient circuit Trouble in Vertical Output Circuit Abnormal V Size...

Page 24: ...ncushion distortion is excessive or barrel Select the side pincushion icon in OSD menu and adjust acceptable position Yes No Check the Q507 Q510 and its ambient circuit Is the waveform of IC501 pin 11...

Page 25: ...001 O K Is the IC002 O K Is voltage of D001 pin 4 130V 270V Is the waveform T001 pin 5 correct Is voltage of C102 165V DC Is voltage of IC001 pin9 7V 9V DC Is voltage of C104 65V DC Replace IC002 Trou...

Page 26: ...24 No Trouble in D104 T001 Trouble in D106 Q104 or IC112 Trouble in IC111 D103 P S U O K Yes No No Yes Yes A Is voltage of C110 35V DC Is voltage of IC112 pin 3 12V DC Is voltage of IC111 pin 3 5V DC...

Page 27: ...768 60Hz 50 50 PINCUSHION TRAPEZOID COLOR TEMP R GAIN B GAIN DEGAUSSING RECALL 1024X768 60Hz USER 9300 6550 EXIT MENU ADJUST SELECT Launch OSD On Screen Display Menus Select the next function Select t...

Page 28: ...n Adjust the brightness of the entire display 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...

Page 29: ...ines inward or outward UImage turns to by UImage turns to by Choose different preset color temperatures or set your own customized color parameters Adjust the red gain Adjust the blue gain Degauss the...

Page 30: ...28 BLOCK DIAGRAM...

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

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

Page 33: ...31 Main PCB Component Side...

Page 34: ...32 Video PCB Component Side...

Page 35: ...SCHEMATIC DIAGRAM 33...

Page 36: ...34...

Page 37: ...EXPLODED VIEW DIAGRAM 35...

Page 38: ...rts Abbreviation of Description REPLACEMENT PARTS LIST RESISTOR Description Example CAPACITOR Description Example Allowance F 1 J 5 K 10 M 20 G 2 Allowance C 0 25pF D 0 5 F 1pF J 5 K 10 P 100 0 Z 80 F...

Page 39: ...1 5M IVY CA202 99707C0006 CONN AS 5264 12 51088 13 330 CA203 9970780024 CONN AS 5264 8 51088 9 24 330 C001 CL1UC3104M C LINE ACROSS WORLD AC250V 0 1UF M R 47 C004 CEYP2G221Z C ELECTRO 400V SMH 220MF...

Page 40: ...ART DESC Q502A TBU2520DX TR BU2520DX Q502B 9977026500 HEAT SINK 265 A1050P H24 T 1 5 Q510 TBD677A TR BD677A Q506 PCHDSWG067 HEAT SINK D AS CMC 518X Q506A T1RF630 FET IRF630 Q506B 9977010803 HEAT SINK...

Page 41: ...1000PF J 2012 C209 HCFK104ZCA C CHIP CERA 50V Y5V 0 1MF Z 2012 C211 HCFK104ZCA C CHIP CERA 50V Y5V 0 1MF Z 2012 C212 HCFK104ZCA C CHIP CERA 50V Y5V 0 1MF Z 2012 C213 HCFK104ZCA C CHIP CERA 50V Y5V 0...

Page 42: ...HM J 2012 R232 HRFT202JCA R CHIP 1 10 2K OHM J 2012 R234 HRFT202JCA R CHIP 1 10 2K OHM J 2012 R236 HRFT202JCA R CHIP 1 10 2K OHM J 2012 R238 HRFT472JCA R CHIP 1 10 4 7K OHM J 2012 R240 HRFT472JCA R CH...

Page 43: ...J 2012 R537 HRFT513JCA R CHIP 1 10 51K OHM J 2012 R545 HRFT154JCA R CHIP 1 10 150K OHM J 2012 R546 HRFT824JCA R CHIP 1 10 820K OHM J 2012 R547 HRFT912JCA R CHIP 1 10 9 1K OHM J 2012 R549 HRFT153JCA R...

Page 44: ...1KV B 1000PF K TAPPING C516 CMXE2J822J C MYLAR PL 630V 8200PF J C517 CCXB3D101K C CERA 2KV B 100PF K TAPPING C529 CCXB3A102K C CERA 1KV B 1000PF K TAPPING C530 CEXF2C479V C ELECTRO 160V RSS 4 7MF 8X1...

Page 45: ...15VM 1C 1P SW203 5S50101Z01 SW TACT KPT 1115VM 1C 1P SW204 5S50101Z01 SW TACT KPT 1115VM 1C 1P SW205 5S50101Z01 SW TACT KPT 1115VM 1C 1P SW206 5S50101Z01 SW TACT KPT 1115VM 1C 1P SW207 5S50101Z01 SW T...

Page 46: ...2 CMXM2A103J C MYLAR 100V 0 01MF J TP C234 CCXB1H102K C CERA 50V B 1000PF K TAPPING C235 CCXB1H181K C CERA 50V B 180PF K TAPPING C236 CCXB1H181K C CERA 50V B 180PF K TAPPING C401 CMXM2A104J C MYLAR 10...

Page 47: ...XF1E101C C ELECTRO 25V RUS 100MF 6 3X11 TP C541 CMXM2A104J C MYLAR 100V 0 1MF J TP F001A 4857415000 FUSE CLIP BSP3 H T0 4 SN 5 2 F001B 4857415000 FUSE CLIP BSP3 H T0 4 SN 5 2 IC111 1XC62A500 IC REGULA...

Page 48: ...AXIAL BD004 5PB13890 COIL BEAD BI3890 BD005 5PB13857 COIL BEAD BI3857 AXIAL BD006 5PB13857 COIL BEAD BI3857 AXIAL BD202 5PB13857 COIL BEAD BI3857 AXIAL BD203 5PB13857 COIL BEAD BI3857 AXIAL BD501 5PB...

Page 49: ...E 1N4148 AUTO 52MM D528 DZN4148 DIODE 1N4148 AUTO 52MM D529 DZN4148 DIODE 1N4148 AUTO 52MM D531 DZN4148 DIODE 1N4148 AUTO 52MM E1 4856310200 EYE LET BSR T0 2 R2 0 E10 4856310200 EYE LET BSR T0 2 R2 0...

Page 50: ...J119 85801052GY WIRE COPPER 1 0 52 TIN COATING J120 85801052GY WIRE COPPER 1 0 52 TIN COATING J121 85801052GY WIRE COPPER 1 0 52 TIN COATING J122 85801052GY WIRE COPPER 1 0 52 TIN COATING J123 858010...

Page 51: ...J160 85801052GY WIRE COPPER 1 0 52 TIN COATING J161 85801052GY WIRE COPPER 1 0 52 TIN COATING J162 85801052GY WIRE COPPER 1 0 52 TIN COATING J163 85801052GY WIRE COPPER 1 0 52 TIN COATING J164 858010...

Page 52: ...OPPER 1 0 52 TIN COATING J200 85801052GY WIRE COPPER 1 0 52 TIN COATING J201 85801052GY WIRE COPPER 1 0 52 TIN COATING J204 85801052GY WIRE COPPER 1 0 52 TIN COATING J205 85801052GY WIRE COPPER 1 0 52...

Page 53: ...82K OHM J R239 RD AZ103J R CARBON FILM 1 6 10K OHM J R241 RD AZ472J R CARBON FILM 1 6 4 7K OHM J R243 RD AZ512J R CARBON FILM 1 6 5 1K OHM J R245 RD AZ183J R CARBON FILM 1 6 18K OHM J R247 RD AZ123J...

Page 54: ...470K OHM J R523 RD AZ103J R CARBON FILM 1 6 10K OHM J R529 RD AZ622J R CARBON FILM 1 6 6 2K OHM J R530 RD AZ102J R CARBON FILM 1 6 1K OHM J R531 RD AZ682J R CARBON FILM 1 6 6 8K OHM J R532 RD AZ471J R...

Page 55: ...3 00030 9977713400 SPACER CARD NYLON 6 6 DASC 6N 00040 9975816100 LABEL DHHS STICKER 120P 70 45 40010 PCCTJ1G067 PCB CRT CHIP AS CMC 518X C801 HCFK104ZCA C CHIP CERA 50V Y5V 0 1MF Z 2012 C802 HCFK104...

Page 56: ...R840 HRFT750JCA R CHIP 1 10 75 OHM J 2012 R848 HRFT104JCA R CHIP 1 10 100K OHM J 2012 R850 HRFT273JCA R CHIP 1 10 27K OHM J 2012 R851 HRFT622JCA R CHIP 1 10 6 2K OHM J 2012 R852 HRFT101JCA R CHIP 1 10...

Page 57: ...S 10MF 6 3X11 TP C839 CMXM2A103J C MYLAR 100V 0 01MF J TP C840 CEXF2A109V C ELECTRO 100V RSS 1MF 5 11 TP C841 CEXF2A109V C ELECTRO 100V RSS 1MF 5 11 TP C863 CEXF1H100V C ELECTRO 50V RSS 10MF 5X11 TP C...

Page 58: ...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 52...

Page 59: ...GY WIRE COPPER 1 0 52 TIN COATING L801 5CPZ279K03 COIL PEAKING 2 7UH 7MM K LAL03TB L831 5CPZ229M03 COIL PEAKING 2 2UH M AXIAL 7MM L861 5CPZ279K03 COIL PEAKING 2 7UH 7MM K LAL03TB R802 RD AZ101J R CARB...

Page 60: ...R FR ABS GY 258A 00010 2221080957 RESIN ABS LG AF 312 88328B GY 275A 00020 9975420500 LABEL RATING P E T 0 1 98 78 00030 7173401411 SCREW TAPPTITE TT2 BIN 4X14 MFZN 10030 PCPKCPG067 PACKING AS CMC 518...

Page 61: ...TD 686 AHYEON DONG MAPO GU 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 dwe daewoo co kr PRINTED DATE Serv ce Manua...

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