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R113 RD-AZ562J-

R CARBON FILM

1/6 5.6K OHM J

R202 RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

R203 RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

R204 RD-AZ202J-

R CARBON FILM

1/6 2K OHM J

R205 RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

R206 RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

R207 RD-AZ103J-

R CARBON FILM

1/6 10K OHM J

R208 RD-AZ105J-

R CARBON FILM

1/6 1M OHM J

R209 RD-AZ562J-

R CARBON FILM

1/6 5.6K OHM J

R210 RD-AZ562J-

R CARBON FILM

1/6 5.6K OHM J

R211 RD-AZ153J-

R CARBON FILM

1/6 15K OHM J

R212 RD-AZ433J-

R CARBON FILM

1/6 43K OHM J

R213 RD-AZ203J-

R CARBON FILM

1/6 20K OHM J

R214 RD-AZ103J-

R CARBON FILM

1/6 10K OHM J

R215 RD-AZ153J-

R CARBON FILM

1/6 15K OHM J

R216 RD-AZ433J-

R CARBON FILM

1/6 43K OHM J

R217 RD-AZ203J-

R CARBON FILM

1/6 20K OHM J

R218 RD-AZ202J-

R CARBON FILM

1/6 2K OHM J

R219 RD-AZ152J-

R CARBON FILM

1/6 1.5K OHM J

R220 RD-AZ152J-

R CARBON FILM

1/6 1.5K OHM J

R221 RD-AZ391J-

R CARBON FILM

1/6 390 OHM J

R223 RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

R224 RD-AZ202J-

R CARBON FILM

1/6 2K OHM J

R225 RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

R226 RD-AZ202J-

R CARBON FILM

1/6 2K OHM J

R228 RD-AZ391J-

R CARBON FILM

1/6 390 OHM J

R231 RD-AZ274J-

R CARBON FILM

1/6 270K OHM J

R232 RD-AZ223J-

R CARBON FILM

1/6 22K OHM J

R233 RD-AZ202J-

R CARBON FILM

1/6 2K OHM J

R234 RD-AZ122J-

R CARBON FILM

1/6 1.2K OHM J

R237 RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

R240 RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

R250 RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

R251 RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

R252 RD-AZ511J-

R CARBON FILM

1/6 510 OHM J

R253 RD-AZ562J-

R CARBON FILM

1/6 5.6K OHM J

R254 85801052GY

WIRE COPPER

1/0.52 TIN COATING

R255 RD-AZ562J-

R CARBON FILM

1/6 5.6K OHM J

R256 RD-AZ105J-

R CARBON FILM

1/6 1M OHM J

R257 RD-AZ511J-

R CARBON FILM

1/6 510 OHM J

R258 RD-AZ563J-

R CARBON FILM

1/6 56K OHM J

R260 RD-AZ362J-

R CARBON FILM

1/6 3.6K OHM J

R262 RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

R263 RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

R264 RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

R401 RD-AZ223J-

R CARBON FILM

1/6 22K OHM J

R402 RD-AZ512J-

R CARBON FILM

1/6 5.1K OHM J

R403 RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

R404 RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

LOC

PART-CODE

PART-NAME PART-DESC

R410 RD-AZ682J-

R CARBON FILM

1/6 6.8K OHM J

R411 RD-AZ682J-

R CARBON FILM

1/6 6.8K OHM J

R412 RD-AZ562J-

R CARBON FILM

1/6 5.6K OHM J

R413 RD-AZ682J-

R CARBON FILM

1/6 6.8K OHM J

R414 RD-AZ682J-

R CARBON FILM

1/6 6.8K OHM J

R415 RD-2Z109J-

R CARBON FILM

1/2 1 OHM J

R416 RD-AZ562J-

R CARBON FILM

1/6 5.6K OHM J

R417 RD-2Z309J-

R CARBON FILM

1/2 3 OHM J

R418 RD-2Z339J-

R CARBON FILM

1/2 3.3 OHM J

R420 RD-AZ472J-

R CARBON FILM

1/6 4.7K OHM J

R421 RD-AZ562J-

R CARBON FILM

1/6 5.6K OHM J

R422 RD-AZ303J-

R CARBON FILM

1/6 30K OHM J

R426 RD-AZ103J-

R CARBON FILM

1/6 10K OHM J

R427 RD-AZ202J-

R CARBON FILM

1/6 2K OHM J

R500 RD-AZ393J-

R CARBON FILM

1/6 39K OHM J

R501 RD-AZ302J-

R CARBON FILM

1/6 3K OHM J

R502 RD-AZ332J-

R CARBON FILM

1/6 3.3K OHM J

R504 RD-AZ103J-

R CARBON FILM

1/6 10K OHM J

R506 RD-AZ471J-

R CARBON FILM

1/6 470 OHM J

R507 RD-AZ122J-

R CARBON FILM

1/6 1.2K OHM J

R508 RD-AZ222J-

R CARBON FILM

1/6 2.2K OHM J

R510 RD-AZ473J-

R CARBON FILM

1/6 47K OHM J

R511 RN-AZ2741F

R METAL FILM

1/6 2.74K OHM F

R512 RN-AZ1211F

R METAL FILM

1/6 1.21K OHM F

R513 RD-AZ332J-

R CARBON FILM

1/6 3.3K OHM J

R514 RD-AZ512J-

R CARBON FILM

1/6 5.1K OHM J

R515 RD-AZ472J-

R CARBON FILM

1/6 4.7K OHM J

R516 RD-AZ332J-

R CARBON FILM

1/6 3.3K OHM J

R517 RD-AZ153J-

R CARBON FILM

1/6 15K OHM J

R520 RD-2Z121J-

R CARBON FILM

1/2 120 OHM J

R521 RD-AZ220J-

R CARBON FILM

1/6 22 OHM J

R522 RD-AZ223J-

R CARBON FILM

1/6 22K OHM J

R523 RD-AZ563J-

R CARBON FILM

1/6 56K OHM J

R524 RD-2Z121J-

R CARBON FILM

1/2 120 OHM J

R525 RD-2Z121J-

R CARBON FILM

1/2 120 OHM J

R526 RD-2Z221J-

R CARBON FILM

1/2 220 OHM J

R527 RD-AZ102J-

R CARBON FILM

1/6 1K OHM J

R528 RD-AZ223J-

R CARBON FILM

1/6 22K OHM J

R529 RD-2Z229J-

R CARBON FILM

1/2 2.2 OHM J

R530 RD-2Z221J-

R CARBON FILM

1/2 220 OHM J

R533 RD-AZ513J-

R CARBON FILM

1/6 51K OHM J

R534 RD-AZ153J-

R CARBON FILM

1/6 15K OHM J

R535 RD-AZ182J-

R CARBON FILM

1/6 1.8K OHM J

R536 RD-AZ105J-

R CARBON FILM

1/6 1M OHM J

R537 RD-AZ153J-

R CARBON FILM

1/6 15K OHM J

R538 RD-AZ182J-

R CARBON FILM

1/6 1.8K OHM J

R541 RD-AZ102J-

R CARBON FILM

1/6 1K OHM J

R543 RD-AZ912J-

R CARBON FILM

1/6 9.1K OHM J

R544 RD-AZ391J-

R CARBON FILM

1/6 390 OHM J

LOC

PART-CODE

PART-NAME PART-DESC

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Summary of Contents for 531X

Page 1: ...DAEWOO ELECTRONICS CO LTD http svc dwe co kr Service Manual XGA COLOR MONITOR Model 531X September 2000...

Page 2: ...RMATION 6 GENERAL INFORMATION 7 PIN CONNECTOR 8 CAUTIONS FOR ADJUSTMENT AND REPAIR 8 OPERATION AND ADJUSTMENT 9 ALIGNMENT PROCEDURE 12 TROUBLESHOOTING HINTS 15 BLOCK DIAGRAM 29 PCB LAYOUT 30 SCHEMATIC...

Page 3: ...ntial that these critical 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...

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: ...ctrically shorted together by conductive foam aluminum foil or comparable conductive material 7 Immediately before removing the protective material from the leads of replacement ES devices touch the p...

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: ...polarity wrap each lead out of the new diode around the corresponding lead on the circuit board 4 Securely crimp each connection and solder it 5 Inspect the solder joints of the two original leads on...

Page 9: ...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 Volts This color monitor...

Page 10: ...tment procedure described in the service manual is made by a visual check Allow 20 minutes warm up time for the display before checking or adjusting only electrical specification or function Reform th...

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 When you choose the icon on the OSD window you can exit the OSD screen OSD OFF MENU MENU MENU MENU Key Process...

Page 13: ...N BALANCE TRAPEZOID Adjust the left and right margins for more convex or more concave margins PINCUSHION Choose different preset color temperatures or set your own customized color parameters COLOR TE...

Page 14: ...the Factory Preset Display Settings RECALL ICON CONTROL FUNCTIONS Adjust the vertical picture moire cancellation V MOIRE Adjust the horizontal picture moire cancellation H MOIRE Select language for OS...

Page 15: ...r pattern of 1024 X 768 48KHz 60Hz c Adjust the Focus control of FBT to obtain best Focus 4 Geometric Distortion Adjustment a Receive the cross hatch pattern of factory preset mode b Pincushion Trapez...

Page 16: ...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 17: ...ck 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 About 30 35Vpp No No Is CRT Cathode Rk Gk Bk signal level n...

Page 18: ...efer to trouble in P S U 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 Turn the Brightness Contrast contro...

Page 19: ...ach grid G1 G2 voltage normal Is the output of pre amp IC801 TDA9210 pin 14 16 18 all normal Check video signal cable or video card Trouble in IC801 or its ambient circuit Trouble in video output IC80...

Page 20: ...ter Voltage about 6V Abnormal OSD Font Is the output of IC204 pin 13 14 15 normal Trouble in Heater voltage line Refer to trouble in P S U Troubie in IC803 or its ambient circuit Trouble in IC204 and...

Page 21: ...Is the H out waveform of IC501 normal Trouble in IC501 Trouble in Horizontal output circuit No Raster Yes No Is the Collector wave form of Q504 normal Yes Yes Yes Trouble in Q505 No No No Trouble in Q...

Page 22: ...of the IC501 correct Trouble in IC501 or its ambient circuit Is the pulse of pin 28 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 23: ...voltage is correct Refer to P S U Is the pulse of pin 6 of the IC401 correct Trouble in vertical D Y No No No Yes Yes Is the output of pin 8 of IC501 all normal Check IC401 and its ambient circuit Yes...

Page 24: ...22 7 Focus Monitor remains unfocused Check Focus VR in FBT Is focus acceptable Trouble in Focus circuit FBT Yes OK No...

Page 25: ...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 26: ...n H OSC Deflection Circuit Refer to Horizontal Output circuit Is the DC level of the base of Q517 changeable No Yes Is the DC level of IC501 pin 11 changeable Yes Check IC501 pin 11 Is the collector p...

Page 27: ...DC voltage of IC401 pin 1 Check the IC401 and its ambient circuit Check the IC501 and its ambient circuit No No Trouble V OSC Deflection Circuit Refer to V OSC Deflection circuit Yes Is the 3 5Vdc of...

Page 28: ...Check the Base waveform of the Q515 Yes Pincusion distortion is excessive or barrel O K Select the side pincushion icon in OSD menu and adjust acceptable position Yes Is the pin 11 waveform of IC501 c...

Page 29: ...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 30: ...28 Is voltage of C105 8Vdc Trouble in D103 No Is voltage of C109 13Vdc No Yes Yes Yes Is voltage of C108 12Vdc Trouble in D104 or vertical part P S U O K Trouble in D106 or horizontal part No A...

Page 31: ...C INPUT SMPS Transformer MCU NT68P62 Novatek H V OSC Processor TDA4856 Philips V Driver KA2142B Samsung PWM D A IIC Control H Linearity Coil TRL 531X H Def Output TR Damper C S Switching KSC5801 SDS06...

Page 32: ...PCB LAYOUT 30 Main PCB Component Side...

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

Page 34: ...32 CRT PCB Component Side CRT PCB Solder Side...

Page 35: ...33 SCHEMATIC DIAGRAM Power Connection Section...

Page 36: ...34 Control Vert out Section...

Page 37: ...35 Horizontal Section...

Page 38: ...36 Video Section...

Page 39: ...EXPLODED VIEW DIAGRAM 37...

Page 40: ...25pF D 0 5 F 1pF J 5 K 10 P 100 0 Z 80 Fig Part No Description Index R101 Resistors RD 4Z820J Carbon 82J R102 RD 4Z201J Carbon1 4W 200J Allowance F 1 J 5 K 10 M 20 G 2 INFORMATION OF PART DESCRIPTION...

Page 41: ...entified by mark have special characteristics important for safety and x ray radiation These should be replaced only with the types specified in the parts list LOC PART CODE PART NAME PART DESC C210 C...

Page 42: ...61 CCXF1H104Z C CERA 50V F 0 1MF Z C862 CCXF1H104Z C CERA 50V F 0 1MF Z C863 CCXB1H682K C CERA 50V B 6800PF K TAPPING C864 CCXF1H104Z C CERA 50V F 0 1MF Z C866 CCXF1H103Z C CERA 50V F 0 01MF Z TAPPING...

Page 43: ...EMI PR001 DECPAC140M POSISTOR ECPAC140M290 LOC PART CODE PART NAME PART DESC Q001 TSPP04N60S FET SPP04N60S5 Q002 TZTC3198Y TR KTC3198Y 1815Y AUTO Q101 TZTA1270Y TR KTA1270Y AUTO 562Y Q102 TZTC3198Y TR...

Page 44: ...BON FILM 1 6 100 OHM J R404 RD AZ101J R CARBON FILM 1 6 100 OHM J LOC PART CODE PART NAME PART DESC R410 RD AZ682J R CARBON FILM 1 6 6 8K OHM J R411 RD AZ682J R CARBON FILM 1 6 6 8K OHM J R412 RD AZ56...

Page 45: ...R624 RD AZ133J R CARBON FILM 1 6 13K OHM J R625 RD AZ822J R CARBON FILM 1 6 8 2K OHM J R801 RD AZ750J R CARBON FILM 1 6 75 OHM J LOC PART CODE PART NAME PART DESC R802 RD AZ330J R CARBON FILM 1 6 33 O...

Page 46: ...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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