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CMC-518B (Page 1) - Super TV Servis M+S

1. LOC PART CODE PART NAME PART DESC 30010 PCMPJ1G066 PCB SMD AS CMC 518B C011 HCQK681JCA C CHIP CERA 50V CH 680PF J 2012 C012 HCQK182JCA C CHIP CERA 50V CH 1800PF J 2012 C013 HCFK104ZCA C CHIP CERA 50V YSV 0 1MF 2 2012 C109 1042 C CHIP CERA 50V Y5V 0 1MF Z 2012 C201 HCFK104ZCA C CHIP CERA 50V YSV 0 1MF Z 2012 C203 HCQK220JCA C CHIP CERA 50V CH 22PF J 2012 C204 HCQK221JCA C CHIP CERA 50V CH 220PF J 2012 C205 HCQK221JCA C CHIP CERA 50V CH 220PF J 2012 C206 HCQK221JCA C CHIP CERA 50V CH 220PF J 2012 C207 HCQK221JCA C CHIP CERA 50V CH 220PF J 2012 C208 HCQK220JCA C CHIP CERA 50V CH 22PF J 2012 C209 HCQK220JCA C CHIP CERA 50V CH 22PF J 2012 C211 HCFK104ZCA C CHIP CERA 50V Y5V 1 Z 2012 C213 HCQK181JCA C CHIP CERA 50V CH 180PF J 2012 C214 1042 C CHIP CERA 50V 5 0 1MF 2 2012 C231 1042 C CHIP CERA 50V Y5V 0 1MF Z 2012 C233 HCQK562JCA C CHIP CERA 50V CH 5600PF J 2012 C234 HCQK102JCA C CHIP CERA 50V CH 1000PF J 2012 C273 1042 C CHIP CERA 50V Y5V 0 1MF Z 2012 C301 HCFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 C302 HCQK470JCA C CHIP CERA 50V CH 47PF J 2012 C303 HCFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 C304 HCQK680JCA C CHIP CERA 50V CH 68PF J 2012 C305 HCFK104ZCA C CHIP CERA 50V YSV 0 1MF 2 2012 C308 HCQK221JCA C CHIP CERA 50V CH 220PF J 2012 C309 HCQK221JCA C CHIP CERA 50V CH 220PF J 2012 C312 HCFK104ZCA C CHIP CERA
2. Is the 13Vdc line voltage is correct Is the output of IC501 pin 12 13 all correct p Check the IC501 and its ambient circuit Yes Refer to the P S U Check the IC401 and its ambient circuit 21 10 Side Pincushion Circuit Side Pincushion distortion is excessive or barrel Y the side pincushion icon in OSD menu O K and adjust acceptable position Is T Yes Check the Q571 waveform o and its base correct ambient circuit Is the waveform of IC501 pin 11 EWDRV normal Yes Check IC571 orits ambient circuit Check IC501 and its ambient circuit 22 11 Power Supply Unit P S U Trouble P S U Is power switch on Is fuse 001 surge protector resistor R002 O K voltage of T001 pin 6 130V 270V Is the waveform T001 pin 8 correct voltage of C101 190V DC 15 voltage of C102 87V DC Switch on Check the power cord outlet and diode Bridge D001 Replace R002 Trouble in bridge diode D001 or peripheral device No Trouble in switching power transformer T001 Trouble in D101 or TOO1 Trouble in T001 or D103 23 voltage of Q101 col
3. TCD TID em Register Value Change Register Value Change OSD OFF 25 1 OSD On Screen Display Menu 1 Adjust the contrast of image the difference EO H between light and dark areas on the screen N Range 0 100 CONTRAST A Adjust the brightness of the entire display BRIGHTNESS No YES Degauss the display and restore image quality DEGAUSS Reset the screen to the Factory Preset Display NO YES Settings RECALL Choose different preset color temperatures 9300 690 set your own customized color parameters COLOR TEMPERATURE H 37 6KHz Display horizontal amp vertical frequency and V 72Hz polarity SYSTEM SPEC 26 2 OSD On Screen Display Menu 2 ch Adjust the position of the display horizontally 50 left or right HORIZONTAL POSITION J Adjust the display width horizontal size HORIZONTAL SIZE B T14 Adjust the position of the display vertically 5096 up or down VERTICAL POSITION 1 l Adjust the display height vertical size VERTICAL SIZE Eliminate a moire pattern looking like a series of concentric circles or arcs 50 e I
4. E11 4856310200 EYE LET BSR T0 2 R2 0 E12 4856310200 EYE LET BSR T0 2 R2 0 E13 4856310300 EYE LET BSR 0 2 R1 6 E14 4856310300 EYE LET BSR T0 2 R1 6 E15 4856310300 EYE LET BSR 0 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 0 2 R1 6 E19 4856310300 EYE LET BSR 0 2 R1 6 E2 4856310200 EYE LET BSR T0 2 R2 0 E20 4856310300 EYE LET BSR T0 2 R1 6 E3 4856310200 EYE LET BSR T0 2 R2 0 E4 4856310200 EYE LET BSR 0 2 820 E5 4856310200 EYE LET BSR T0 2 R2 0 E6 4856310200 EYE LET BSR T0 2 R2 0 E7 4856310300 EYE LET 858 0 2 R1 6 50 LOC PART CODE PART NAME PART DESC E8 4856310300 EYE LET BSR T0 2 R1 6 E9 4856310200 EYE LET BSR T0 2 R2 0 4001 85801052GY WIRE COPPER 1 0 52 TIN COATING 002 85801052GY WIRE COPPER 1 0 52 TIN COATING J003 85801052GY WIRE COPPER 1 0 52 TIN COATING J004 85801052GY WIRE COPPER 1 0 52 TIN COATING J101 85801052GY WIRE COPPER 1 0 52 TIN COATING J102 85801052GY WIRE COPPER 1 0 52 TIN COATING J103 85801052GY WIRE COPPER 1 0 52 TIN COATING J104 85801052GY WIRE COPPER 1 0 52 TIN COATING J105 85801052GY WIRE COPPER 1 0 52 TIN COATING J106 85801052GY WIRE COPPER 1 0 52 TIN COATING J107 85801052GY WIRE COPPER 1 0 52 TIN COATING J108 85801052GY WIRE COPPER 1 0 52 TIN COATING J109 85801052GY WIRE COPPER 1 0 52 TIN COA
5. Trouble in FBT normal Is Q501 Gate Yes waveform Trouble in Q501 T503 normal Is 0501 8pin H DRV waveform Yes Q501 Q510 Q511 and its ambient cirucit normal Is 501 10 voltage about 13V Check the circuit of 13Vdc line Is the input H Sync Trouble in 501 correct Trouble in H Sync line Refer to trouble in power supply unit 15 6 Unstable Picture 6 1 Horizontal Unstable picture Y Is the pulse of pin 10 of the 10501 correct Is the pulse of pin 21 of the 10201 correct Is the input H Sync correct Trouble in Signal Cable or 15P D Sub Connector Yes Yes Yes Trouble in IC501 or its ambient circuit Check 201 and its ambient circuit Check the Q203 and its ambient circuit 16 6 2 Vertical Unstable picture Y Is the 13Vdc line voltage is correct Is the pulse of pin 6 4 of the IC401 correct Is the output of IC501 pin 12 13 all correct Check the IC501 and its ambient circuit Yes Yes Refer to the P S U Troube in vertical D Y Check the 401 and its ambient circuit 17 7 Focus Monit
6. B 1 hen P EM us CEN HR 8 554 uu TE mb 1 i am u 1 2 web T ims ml sei Ct PUER wel ELECTRONICS COATO 5188 LIVE PART mins ma am Bana 8 Set hu Wa 34 T 855 383 02 SLOT OMAJ E Era qanm en la m 1 a ir i ka lt e e tri Coe ie 35 s IRL Sg m gt oT SHEET ea l 36 6 a gt SHEET4 VIDEO SECTION an E FEJE AEF 4 803 gt T DII rep TD DA D Feng a pa LT 53 MENT YG a KG HE 4 EM Kj uF im um ki FROM 5 5 2 0 803 5188 HETT DAEWOO ELECTROMCS CO LTD 37 EXPLODED VIEW DIAGRAM 38 REPLACEMENT PARTS LIST Important Safety Notice Components identified with the International Symbol have special characteristics important for safety When replacing any c
7. 1N4937GP TAPPING IC203 124LC04B IC MEMORY 24LC04B IC301 1MC141547 IC OSD MC141547 IC571 1DBL358 IC DBL358 DUAL OP AMP IC701 1DBL358 IC DBL358 DUAL OP AMP PR001 DECPAC140M POSISTOR ECPAC140M290 P1 4857417500 TERM PIN DA IB0214 D2 3 DY PIN P2 4857417500 TERM PIN DA IB0214 D2 3 DY PIN P3 4857417500 TERM PIN DA IB0214 D2 3 DY PIN P4 4857417500 TERM PIN DA IB0214 D2 3 DY PIN P5 4857417500 TERM PIN DA IB0214 D2 3 DY PIN P6 4857417500 TERM PIN DA IB0214 D2 3 DY PIN 4857417500 TERM PIN DA IB0214 D2 3 DY PIN 46 LOC PART CODE PART NAME PART DESC P8 4857417500 TERM PIN DA IB0214 D2 3 DY PIN P9 4857417500 TERM PIN DA IB0214 D2 3 DY PIN R007 RS02Z223JS R M OXIDE FILM 2W 22K OHM J SMALL R012 RW01Z118JN R WIRE WOUND 1W 0 11 OHM J NON INDUCT R139 RS02Z472JS R M OXIDE FILM 2W 4 7K OHM J SMALL R514 RS02Z151JS R M OXIDE FILM 2W 150 OHM J SMALL R515 RS02Z478JS R M OXIDE FILM 2W 0 47 OHM J SMALL R517 RS02Z201JS R M OXIDE FILM 2W 200 OHM J SMALL R555 RS02Z820JS R M OXIDE FILM 2W 82 OHM J SMALL SW101 5550101201 SW KPT 1115VM 1 1 SW102 5550101201 SW KPT 1115VM 1 1 SW103 5550101201 SW KPT 1115VM 1C 1P SW104 5550101201 SW TACT KPT 1115VM 1C 1P SW105 5550101201 SWTACT KPT 1115VM 1 1 SW106 5S50101Z01 SWTACT KPT 1115VM 1 1 SW107 5550101201 SW KPT 1115VM 1 1 VR104 RV6121502P SEMI FIXED
8. 2 4K OHM J 2012 R206 HRFT472JCA R CHIP 1 10 4 7K OHM J 2012 R208 HRFT331JCA R CHIP 1 10 330 OHM J 2012 R212 HRFT623JCA R CHIP 1 10 62K OHM J 2012 R213 HRFT681JCA R CHIP 1 10 680 OHM J 2012 R217 HRFT222JCA R CHIP 1 10 2 2K OHM J 2012 R221 HRFT105JCA R CHIP 1 10 1M OHM J 2012 R224 HRFT472JCA R CHIP 1 10 4 7K OHM J 2012 R225 HRFT472JCA R CHIP 1 10 4 7K OHM J 2012 R226 HRFT472JCA R CHIP 1 10 4 7K OHM J 2012 R227 HRFT472JCA R CHIP 1 10 4 7K OHM J 2012 R230 HRFT472JCA R CHIP 1 10 4 7K OHM 2012 R234 HRFT203JCA R CHIP 1 10 20K OHM J 2012 R235 HRFT472JCA R CHIP 1 10 4 7K OHM J 2012 R236 HRFT333JCA R CHIP 1 10 33K OHM J 2012 R237 HRFT911JCA R CHIP 1 10 910 OHM J 2012 R239 HRFT472JCA R CHIP 1 10 4 7K OHM J 2012 R241 HRFT103JCA R CHIP 1 10 10K OHM J 2012 R250 HRFT222JCA R CHIP 1 10 2 2K OHM J 2012 R254 HRFT101JCA R CHIP 1 10 100 OHM 2012 R255 HRFT101JCA R CHIP 1 10 100 OHM J 2012 R256 HRFT101JCA R CHIP 1 10 100 OHM J 2012 43 LOC PART CODE PART NAME PART DESC R271 HRFT472JCA R CHIP 1 10 4 7K OHM J 2012 R272 HRFT682JCA R CHIP 1 10 6 8K OHM J 2012 R290 HRFT472JCA R CHIP 1 10 4 7K OHM 2012 R291 HRFT000JCA R CHIP 1100 OHM J 2012 R301 HRFT474JCA R CHIP 1 10 470K OHM J 2012 R302 HRFT102JCA R CHIP 1 10 1K OHM J 2012 R304 HRFT332JCA R CHIP 1 10 3 3K OHM J 2012 R305 HRFT471JCA R CHIP 1 10 470 OHM 2012 R306 HRFT203JCA R CHIP 1 10 20K OHM J 2012 R310 HRFT
9. 50V YSV 0 1MF 2 2012 C431 HCQK681JCA C CHIP CERA 50V CH 680PF J 2012 C508 HCQK150JCA C CHIP CERA 50 CH 15PF J 2012 C513 HCFK104ZCA C CHIP CERA 50V Y5V 1 Z 2012 C543 HCFK104ZCA C CHIP CERA 50V YSV 0 1MF 2 2012 C553 1042 C CHIP CERA 50V Y5V 0 1MF Z 2012 571 HCFK104ZCA C CHIP CERA 50V Y5V 1 Z 2012 C575 HCQK221JCA C CHIP CERA 50V CH 220PF J 2012 C602 HCQK221JCA C CHIP CERA 50V CH 220PF J 2012 C603 HCQK471JCA C CHIP CERA 50V CH 470PF J 2012 C692 HCQK221JCA C CHIP CERA 50V CH 220PF J 2012 C693 HCQK221JCA C CHIP CERA 50V CH 220PF J 2012 42 LOC PART CODE PART NAME PART DESC R009 HRFT120JCA R CHIP 110 12 OHM J 2012 R011 HRFT681JCA R CHIP 1 10 680 OHM J 2012 R013 HRFT332JCA R CHIP 1 10 3 3K OHM J 2012 R104 HRFT472JCA R CHIP 1 10 4 7K OHM J 2012 R106 HRFT472JCA R CHIP 1 10 4 7K OHM J 2012 R108 HRFT103JCA R CHIP 1 10 10K OHM J 2012 R111 HRFT201JCA R CHIP 1 10 200 OHM J 2012 R114 HRFT472JCA R CHIP 1 10 4 7K OHM J 2012 R116 HRFT621JCA R CHIP 1 10 620 OHM J 2012 R118 HRFT103JCA R CHIP 1 10 10K OHM J 2012 R152 HRFT133JCA R CHIP 1 10 13K OHM J 2012 R157 HRFT104JCA R CHIP 1 10 100K OHM J 2012 R158 HRFT122JCA R CHIP 1 10 1 2K OHM J 2012 R201 HRFT333JCA R CHIP 1 10 33K OHM J 2012 R202 HRFT203JCA R CHIP 1 10 20K OHM J 2012 R203 HRFT472JCA R CHIP 1 10 4 7K OHM J 2012 R204 HRFT103JCA R CHIP 1 10 10K OHM J 2012 R205 HRFT242JCA R CHIP 1 10
10. A FAQ SVISHHAO
11. COPPER 1 0 52 TIN COATING J171 85801052GY WIRE COPPER 1 0 52 TIN COATING J172 85801052GY WIRE COPPER 1 0 52 TIN COATING J173 85801052GY WIRE COPPER 1 0 52 TIN COATING 52 LOC PART CODE PART NAME PART DESC 174 85801052GY WIRE COPPER 1 0 52 TIN COATING J175 85801052GY WIRE COPPER 1 0 52 TIN COATING 176 85801052GY WIRE COPPER 1 0 52 TIN COATING J177 85801052GY WIRE COPPER 1 0 52 TIN COATING J178 85801052GY WIRE COPPER 1 0 52 TIN COATING J179 85801052GY WIRE COPPER 1 0 52 TIN COATING J180 85801052GY WIRE COPPER 1 0 52 TIN COATING J181 85801052GY WIRE COPPER 1 0 52 TIN COATING J182 85801052GY WIRE COPPER 1 0 52 TIN COATING J184 85801052GY WIRE COPPER 1 0 52 TIN COATING J185 85801052GY WIRE COPPER 1 0 52 TIN COATING J186 85801052GY WIRE COPPER 1 0 52 TIN COATING J187 85801052GY WIRE COPPER 1 0 52 TIN COATING J188 85801052GY WIRE COPPER 1 0 52 TIN COATING J189 85801052GY WIRE COPPER 1 0 52 TIN COATING J190 85801052GY WIRE COPPER 1 0 52 TIN COATING J191 85801052GY WIRE COPPER 1 0 52 TIN COATING J192 85801052GY WIRE COPPER 1 0 52 TIN COATING J193 85801052GY WIRE COPPER 1 0 52 TIN COATING J194 85801052GY WIRE COPPER 1 0 52 TIN COATING J195 85801052GY WIRE COPPER 1 0 52 TIN COATING J196 85801052GY WIRE COPPER 1 0 52 TIN COATING J197 85801052GY WIRE COPPER 1 0 52 TIN COATING J198 85801052GY WIRE COPPER 1 0 52 TIN COATING J199 85801052GY WIRE COPPER 1 0
12. DZN4148 DIODE 1N4148 AUTO 52MM D871 0155133777 DIODE 155133 77 0872 0155133 77 DIODE 1SS133 T 77 D873 0155133777 DIODE 155133 T 77 J802 85801052GY WIRE COPPER 1 0 52 TIN COATING J803 85801052GY WIRE COPPER 1 0 52 TIN COATING J804 85801052GY WIRE COPPER 1 0 52 TIN COATING J806 85801052GY WIRE COPPER 1 0 52 TIN COATING J807 85801052GY WIRE COPPER 1 0 52 TIN COATING J808 85801052GY WIRE COPPER 1 0 52 TIN COATING J809 85801052GY WIRE COPPER 1 0 52 TIN COATING J810 85801052GY WIRE COPPER 1 0 52 TIN COATING 811 85801052GY WIRE COPPER 1 0 52 TIN COATING J812 85801052GY WIRE COPPER 1 0 52 TIN COATING J813 85801052GY WIRE COPPER 1 0 52 TIN COATING 814 85801052GY WIRE COPPER 1 0 52 TIN COATING J815 85801052GY WIRE COPPER 1 0 52 TIN COATING J816 85801052GY WIRE COPPER 1 0 52 TIN COATING 817 85801052GY WIRE COPPER 1 0 52 TIN COATING L804 5CPZ229M02 COIL PEAKING 2 2UH M AXIAL 3 5MM L809 5CPZ109M02 COIL PEAKING 1UH M AXIAL 3 5 L814 5CPZ689M02 COIL PEAKING 6 8UH K AXIAL 3 5MM L819 5CPZ568M02 COIL PEAKING 0 56UH M AXIAL 3 5MM L824 5CPZ229M02 COIL PEAKING 2 2UH M AXIAL 3 5MM L829 5CPZ109M02 COIL PEAKING 1UH M AXIAL 3 5MM R802 RD AZ330J R CARBON FILM 1 6 33 OHM J R803 RD AZ470J R CARBON FILM 1 6 47 OHM J R804 RN AZ1370F R METAL FILM 1 6 137 0 OHM F R807 RD 3Z220JF R CARBON FILM 1 3 22 OHM J FRAME FROCF R808 RD 32220JF R CARBON FILM 1 3 22 OHM J FRAME FROOF R809 RD AZ102J R CARBON FILM 1 6 1K OHM J R810 RC 2Z470J R CARB
13. J TP C421 CMXM2A473J C MYLAR 100V 0 047 J TP C422 CEXF2C109C C ELECTRO 160V RUS 1MF 6 3X11 TP 442 1 470 C ELECTRO 50V RUS 47MF 6 3X11 TP C504 CEXF1E101C C ELECTRO 25V RUS 100MF 6 3X11 TP C505 CMXM2A104J C MYLAR 100 0 1MF J TP C506 CMXM2A682J C MYLAR 100V 6800PF J C507 CMXT2A972G C MYLAR OSMP 100V 9700PF G TP C509 CMXM2A562J C MYLAR 100V 5600PF J 511 2 561 500V B 560 K TAPPING C512 CEXF1V101C C ELECTRO 35V RUS 100MF 8X11 5 TP 531 2 109 C ELECTRO 160V RUS 1MF 6 3X11 TP C533 CEXF2C109C C ELECTRO 160V RUS 1MF 6 3X11 TP C535 CEXF2C109C C ELECTRO 160V RUS 1MF 6 3X11 TP C540 CCXB2H102K C CERA 500V B 1000PF K TAPPING C544 CEXF1H470C C ELECTRO 50V RUS 47MF 6 3X11 TP C573 CEXF1H470C C ELECTRO 50V RUS 47MF 6 3X11 TP C591 CEXF1H109C C ELECTRO 50V RUS 1MF 5X11 TP C592 CEXF1H109C C ELECTRO 50V RUS 1MF 5X11 TP C601 CEXF1H479C C ELECTRO 50V RUS 4 7MF 5X11 TP C621 CMXM2A104J C MYLAR 100V 0 1MF J TP C622 CEXF1H470C C ELECTRO 50V RUS 47MF 6 3X11 TP C623 CEXF1H470C C ELECTRO 50V RUS 47MF 6 3X11 TP C651 CEXF1H101C C ELECTRO 50V RUS 100MF 8X11 5 TP C661 CMXM2A473J C MYLAR 100V 0 047 J TP C694 CEXF1H109C C ELECTRO 50V RUS 1MF 5X11 TP C701 CEXF1H479C C ELECTRO 50V RUS 4 7MF 5X11 TP C702 CEXF1H229C C ELECTRO 50V RUS 2 2 5X11 TP F001A 4857415001 CLIP FUSE PFC5000 0702 F001B 4857415001 CLIP FUSE PFC5000 0702 IC101 1K1A78L05B IC REGULA
14. diaplay when using the following graphics adapters VGA 8514 A Supper VGA VESA and XGA and Apple Macintosh Video Card And so this color monitor has a maximum horizontal resolution of 1280 dots and a maximum vertical resolution of 1024 lines for superior clarity of display By accepting analog signal inputs which level is zero to 0 7 Volts This color monitor can display an unlimited palette of colors depending on the graphics adapter and software being used Abbreviations ADJ Adjustment AFG Automatic Frequency Control CRT Cathode Ray Tube Def Deflection D Y Deflection Yoke FBT Flyback Transformer H SYNC Horizontal Synchronization OSG Oscillator P S U Power Supply Unit PWA Printed Circuit Board Wiring Assembly R G B Red Green Blue V Sync Vertical Synchronization PIN CONNECTOR Pin Signal 1 Red 2 3 Blue 4 GND 5 GND Self Test 6 GND Red 7 GND Green 8 GND Blue Arrangement of 15 pin D sub connector No Pin 10 GND H Sync 11 GND 12 Bi directional Data SDA 13 Horizontal Sync 14 Vertical Sync VCLK 15 Data clock SCL CAUTIONS FOR ADJUSTMENT AND REPAIR O Degaussing is always required when adjusting purity or convergence The white balance adjustment has been done by a color analyzer in factroy The adjustment procedure described in the service manual is made by a visual check Allow 20 minutes warm up time for the display before checking or adj
15. maximum contrast control and center brightness control I Check if the a full white pattern is over 30Ft L If you satisfied with the result readjust the internal sub contrast VR 6 Static Convergence Adjustment a Apply a magenta cross hatch pattern on display b Adjust the focus from the best over 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 red and blue lines are converged by varing the tabs together keeping the angle between them constant e Apply a white cross hatch pattern on display f Vertical green and magenta lines are converged by varing the the angle between the two tabs of the 6 pole magnets g Horizontal green and magenta lines are converged by varing the tabs together keeping the angle between them constant 10 TROUBLESHOOTING HINTS 1 No Character No Character Are the Contrast amp Change the Contrast amp Brightness Controls Brightness control value maximum 2 to maximum Refer to whole screen No Raster No Raster bright Is CRT Cathode Rk Gk Bk signal level normal Yes Check the peripheral circuit of CRT Rk Gk Bk 111 About 45Vpp output signal of the Check the Video output pin 20 25 30 pre amp circuit and IC801 IC801 TDA4885 pi
16. radiation safety For continued safety replace critical components indicated in the service manual only with exact replacement parts given in the parts list Operating high voltage for this product is 25KV at minimum brightness Refer to service manual for measurement procedures and proper service adjustments SERVICING PRECAUTIONS CAUTION Before servicing instruments covered by this service manual its supplements and addenda read and follow the SAFETY PRECAUTIONS of this manual NOTE If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions on page 1 of this manual always follow the safety precautions Remember Safety First General Servicing Precautions 1 Always unplug the AC power cord from the AC power source before a Removing or reinstalling any component circuit board module or any other instrument assembly b Disconnecting or reconnecting any electrical plug or other electrical connection c Connecting a test substitute in parallel with an electrolytic capacitor in the instrument CAUTION wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in a explosion hazard d Discharging the picture tube anode 2 Test high voltage only by measuring it with an appropriate high voltage meter or other voltage measuring device DVM FETVOM etc equipped with a suitable high volt
17. 1052GY WIRE COPPER 1 0 52 TIN COATING J140 85801052GY WIRE COPPER 1 0 52 TIN COATING J141 85801052GY WIRE COPPER 1 0 52 TIN COATING J142 85801052GY WIRE COPPER 1 0 52 TIN COATING J143 85801052GY WIRE COPPER 1 0 52 TIN COATING J144 85801052GY WIRE COPPER 1 0 52 TIN COATING J145 85801052GY WIRE COPPER 1 0 52 TIN COATING J146 85801052GY WIRE COPPER 1 0 52 TIN COATING J147 85801052GY WIRE COPPER 1 0 52 TIN COATING J148 85801052GY WIRE COPPER 1 0 52 TIN COATING J149 85801052GY WIRE COPPER 1 0 52 TIN COATING J150 85801052GY WIRE COPPER 1 0 52 TIN COATING 151 85801052GY WIRE COPPER 1 0 52 TIN COATING J152 85801052GY WIRE COPPER 1 0 52 TIN COATING J153 85801052GY WIRE COPPER 1 0 52 TIN COATING J154 85801052GY WIRE COPPER 1 0 52 TIN COATING J155 85801052GY WIRE COPPER 1 0 52 TIN COATING J156 85801052GY WIRE COPPER 1 0 52 TIN COATING J157 85801052GY WIRE COPPER 1 0 52 TIN COATING J158 85801052GY WIRE COPPER 1 0 52 TIN COATING J159 85801052GY WIRE COPPER 1 0 52 TIN COATING 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 85801052GY WIRE COPPER 1 0 52 TIN COATING J165 85801052GY WIRE COPPER 1 0 52 TIN COATING J166 85801052GY WIRE COPPER 1 0 52 TIN COATING J167 85801052GY WIRE COPPER 1 0 52 TIN COATING J168 85801052GY WIRE COPPER 1 0 52 TIN COATING J169 85801052GY WIRE COPPER 1 0 52 TIN COATING J170 85801052GY WIRE
18. 2 HRFT152JCA R CHIP 1 10 1 5K OHM J 2012 R603 HRFT681JCA R CHIP 1 10 680 OHM J 2012 R621 HRFT362JCA R CHIP 1 10 3 6K OHM J 2012 R622 HRFT752JCA R CHIP 1 10 7 5K OHM J 2012 R623 HRFT752JCA R CHIP 1 10 7 5K OHM J 2012 R624 HRFT472JCA R CHIP 1 10 4 7K OHM J 2012 R625 HRFT102JCA R CHIP 1 10 1K OHM J 2012 R655 HRFT104JCA R CHIP 1 10 100K OHM J 2012 R661 HRFT682JCA R CHIP 1 10 6 8K OHM J 2012 R662 HRFT133JCA R CHIP 1 10 13K OHM J 2012 R667 HRFT473JCA R CHIP 1 10 47K OHM J 2012 R681 HRFT102JCA R CHIP 1 10 1K OHM J 2012 R682 HRFT273JCA R CHIP 1 10 27K OHM J 2012 R684 HRFT472JCA R CHIP 1 10 4 7K OHM J 2012 R687 HRFT682JCA R CHIP 1 10 6 8K OHM J 2012 R688 HRFT123JCA R CHIP 1 10 12K OHM J 2012 R689 HRFT331JCA R CHIP 1 10 330 OHM J 2012 R702 HRFT822JCA R CHIP 1 10 8 2K OHM J 2012 R703 HRFT473JCA R CHIP 1 10 47K OHM J 2012 R707 HRFT473JCA R CHIP 1 10 47K OHM J 2012 R708 HRFT153JCA R CHIP 1 10 15K OHM J 2012 40010 PCMPJ0G066 ODD SHAPE A 518 CW100 4859232625 CONN WAFER 5267 05A STICK TYPE CW200 4859232425 CONN WAFER 5267 STICK TYPE C001 CL1UC3104M C LINE ACROSS WORLD AC250V 0 1UF M R 47 C006 CCXB3D103P C CERA HIKB 2KV 0 01MF K C007 CCXB3D102K C CERA 2KV B 1000PF K TAPPING C101 CEXF2C470C C ELECTRO 160V RUS 47MF 13X25 TP C102 CEXF2C470C C ELECTRO 160V RUS 47MF 13X25 TP C104 CEXF1C102C C ELECTRO 16V RUS 1000MF 10X20 TP C105 CEXF1C102C C ELECTRO 16V RUS 1000MF 10X20 TP C106 CEXF1C102C C ELECTRO 16V R
19. 471JCA R CHIP 1 10 470 OHM J 2012 R399 HRFT242JCA R CHIP 1 10 2 4K OHM J 2012 R403 HRT2212FCA R CHIP 1 10 22 1K OHM F 2012 R412 HRFT101JCA R CHIP 1 10 100 OHM J 2012 R413 HRFT102JCA R CHIP 1 10 1K OHM J 2012 R414 HRFT102JCA R CHIP 1 10 1K OHM J 2012 R421 HRFT102JCA R CHIP 1 10 1K OHM J 2012 R423 HRFT202JCA R CHIP 1 10 2K OHM J 2012 R425 HRFT471JCA R CHIP 1 10 470 OHM J 2012 R431 HRFT302JCA R CHIP 1 10 3K OHM J 2012 R432 HRFT472JCA R CHIP 1 10 4 7K OHM J 2012 R434 HRFT102JCA R CHIP 1 10 1K OHM J 2012 R451 HRFT682JCA R CHIP 1 10 6 8K OHM J 2012 R476 HRFTOOOJCA R CHIP 1 10 0 OHM J 2012 R506 HRFT152JCA R CHIP 1 10 1 5K OHM J 2012 R507 HRT6810FCA R CHIP 1 10 681 OHM F 2012 R508 HRT3011FCA R CHIP 1 10 3 01K OHM F 2012 R510 HRFT102JCA R CHIP 1 10 1K OHM J 2012 R511 HRFT122JCA R CHIP 1 10 1 2K OHM J 2012 R524 HRFT622JCA R CHIP 1 10 6 2K OHM J 2012 531 HRFT243JCA R CHIP 1 10 24K OHM J 2012 R532 HRFT243JCA R CHIP 1 10 24K OHM J 2012 8533 HRFT243JCA R CHIP 1 10 24K OHM J 2012 R554 HRFT103JCA R CHIP 1 10 10K OHM J 2012 R572 HRFT104JCA R CHIP 1 10 100K OHM J 2012 R575 HRT2213FCA R CHIP 1 10 221K OHM F 2012 R581 HRFT332JCA R CHIP 1 10 3 3K OHM J 2012 R583 HRFT000JCA R CHIP 1100 OHM J 2012 R585 HRFT473JCA R CHIP 1 10 47K OHM J 2012 R592 HRFT512JCA R CHIP 1 10 5 1K OHM J 2012 44 LOC PART CODE PART NAME PART DESC R593 HRFT102JCA R CHIP 1 10 1K OHM J 2012 R60
20. 4854 IC H OUT TDA4854 IC531 1DW111 IC DW111 L301 5CPZ101K02 COIL PEAKING 100UH K AXIAL 3 5MM L501 5MC0000057 COIL CHOKE CH 130 L502 5 0000058 COIL H LINEARITY TRL 148 L503 5MC0000006 COIL CHOKE HC 202K 2MH PH001 1TLP721GR IC PHOTO COUPLER TLP721D4GR A P002 9979500012 RECEPTACLE O2ME4E1 FILTER EMI 0133 2 449 TR 26 449 0501 T1RF630 FET IRF630 Q502 PCHCSWG066 HEAT SINK C AS 518 D504 DBY359X150 DIODE BY359X 1500 A 0502 TBU2520AX TR BU2520AX Q571 TKTB988Y TR KTB 988 Y 00010 9977026500 HEAT SINK 265 A1050P H24 T 1 5 00020 9976012000 SCREW SPECIAL TT2 BIN 3 8 MFZN PW A RL101 5600101325 SW RELAY HR CR7 DC12V RL501 5SC0201103 SW RELAY HR CR323 2C 1P DC12V SW501 5S80303001 SWLEVER P12T21 TH001 DTP8D15 THERMISTOR TP8D15 A 1 5RM0000081 TRANS SMPS DWT 35A2 1131 5RP0000034 TRANS CHPPER DCT 006 T502 5880000097 FBT FFA81057U 1503 5RD0000032 TRANS DRIVE DDT 140B 00010 99741138A0 FRAME AS CMC 518B 00010 9974113800 FRAME MAIN T 0 8 00020 9973723200 SUPPORTER PCB L FR ABS GY 258A 00010 2221080957 RESIN ABS LG AF 312 88328B GY 275A 00030 9973723201 SUPPORTER PCB R FR ABS GY 258A 00010 2221080957 RESIN ABS LG AF 312 88328B GY 275A 00040 9972212100 COVER SIGNAL FR ABS GY 258A 00010 2221080957 RESIN ABS LG AF 312 88328B GY 275A 00050 9977713400 SPACER CARD NYLON 6 6 DASC 6N 00030 7173401011 SCREW TAPPTITE TT2 BIN 4X10 MFZN 00040 7S103B0481 SCREW SPECIAL M C BIN 4X8 MFZN 41
21. 52 TIN COATING J200 85801052GY WIRE COPPER 1 0 52 TIN COATING J201 85801052GY WIRE COPPER 1 0 52 TIN COATING J202 85801052GY WIRE COPPER 1 0 52 TIN COATING J203 85801052GY WIRE COPPER 1 0 52 TIN COATING J204 85801052GY WIRE COPPER 1 0 52 TIN COATING J205 85801052GY WIRE COPPER 1 0 52 TIN COATING J206 85801052GY WIRE COPPER 1 0 52 TIN COATING J208 85801052GY WIRE COPPER 1 0 52 TIN COATING J209 85801052GY WIRE COPPER 1 0 52 TIN COATING J210 85801052GY WIRE COPPER 1 0 52 TIN COATING J211 85801052GY WIRE COPPER 1 0 52 TIN COATING J212 85801052GY WIRE COPPER 1 0 52 TIN COATING J213 85801052GY WIRE COPPER 1 0 52 TIN COATING J214 85801052GY WIRE COPPER 1 0 52 TIN COATING 53 LOC PART CODE PART NAME PART DESC J215 85801052GY WIRE COPPER 1 0 52 TIN COATING J216 85801052GY WIRE COPPER 1 0 52 TIN COATING J217 85801052GY WIRE COPPER 1 0 52 TIN COATING J219 85801052GY WIRE COPPER 1 0 52 TIN COATING J220 85801052GY WIRE COPPER 1 0 52 TIN COATING J221 85801052GY WIRE COPPER 1 0 52 TIN COATING J222 85801052GY WIRE COPPER 1 0 52 TIN COATING J223 85801052GY WIRE COPPER 1 0 52 TIN COATING J225 85801052GY WIRE COPPER 1 0 52 TIN COATING J226 85801052GY WIRE COPPER 1 0 52 TIN COATING J227 85801052GY WIRE COPPER 1 0 52 TIN COATING J228 85801052GY WIRE COPPER 1 0 52 TIN COATING J229 85801052GY WIRE COPPER 1 0 52 TIN COATING J230 85801052GY WIRE COPPER 1 0 52 TIN COATING
22. 75A 00030 9974820000 BUTTON TACT B FR ABS GY 258A 00010 2221080957 RESIN ABS LG AF 312 88328B GY 275A 00040 9977915800 LENS LED ACRYL 00020 9976011800 SPECIAL SCREW 5 TT2 BIN 5 25 MFZN SPW 00030 9976012900 SCREW SPECIAL TT2 HEX 5 25 SCREW BAND 00040 7173401411 SCREW TAPPTITE TT2 BIN 4X14 MFZN 00050 9976811100 HOLDER WIRE NYLON 66 DAQC 103 00060 4856812001 TIE CABLE NYLON66 DA100 20010 PCMPM1G066 PCB MAIN MANUAL AS CMC 518B CA001 9970710166 CONN AS 35718 0810 1015 18 90 CA501 9970710166 CONN AS 35718 0810 1015 18 90 CA802 9970780025 CONN AS 5264 8 51088 9 24 400 CA803 99707A0015 CONN AS 5264 10 51088 11 24 180 A 0005 CEYP2G221K C ELECTRO KMH 400V 220 25 40 C401 CMXM2A154J MYLAR 100V 0 15MF J C572 CEXD1H479W C ELECTRO RHD 50V 4 7MF 16 31 5 DL001 DAL151RGW LED AL 151RGW A 0001 DD2SB60 DIODE BRIDGE D2SB60 D505 DS3L60 DIODE S3L60 D506 DERDO7 15 DIODE ERDO7 15 F001 5F3CB3122L FUSE CERA SEMKO TL 3 15A 250V MF51 A 0001 PCHASWG066 HEAT SINK A AS CMC 518B IC001 1STRF6524 IC POWER STR F6524 00010 9977026300 HEAT SINK 263 A1050P H24 00020 9976012100 SCREW SPECIAL TT2 BIN 310 MFZN PW IC201 1DWM204 IC MICOM ST7275 40 LOC PART CODE PART NAME PART DESC IC401 PCHBSWG066 HEAT SINK B AS CMC 518B IC401 1TDA4866 IC V OUT TDA4866 00010 9977012422 HEAT SINK 124 A1050P H24 00020 9976012100 SCREW SPECIAL TT2 BIN 310 MFZN PW IC501 1TDA
23. 8 BLOCK DIAGRAM 1 VIDEO RGB VIDEO PREAMP TD 4885 8 6 8 FEEDBACK VIDEO OUTPUT CIRCUIT p SL SIA lr GAIN MODULATION CIRCUIT OPTION SIGNAL INPUT oap PROCESSOR 141547 SCL SCL SDA HY SYNE MIDOM 17275 H DEFLECTION IC TDA4854 CS X RAY IN HSE SDA HLPOS ED Comection H DRY 1 1 KEY amp LED PARABOLA OUT B DAY DEGALSSING POWER IC STR Pasid 29 PCB LAYOUT Main PCB Solder Side 30 i S n j 1 Jan Mye tE 3 i f Ja TITT TITT III gt Fa lt re 1181111111 i 4 T en mam W 3 1 Video PCB Solder Side 31 Main PCB Component Side HD ie Jh e Video PCB Component Side E 4 aa 4 5 2 LN 33 SCHEMATIC DIAGRAM 5 4 4 i 1 LLLI 580 12 85 OI Lara SHEETI POWER SECTION er IET D T T T SER alen dt ai c Lars LL 4 ti wa EE L in i is en E mi ua i 5 P T 8 7 mi t i
24. CCT 063BT 5K OHM B TAP VR451 RV6121103P SEMI FIXED 063 10K OHM TAP VR651 RV6121503P R SEMI FIXED 063 50K OHM B TAP X201 5XE24R000E CRYSTAL QUARTZ HC 49 U 24 00000MHZ 30PPM 50010 PCMPJRG066 PCB MAIN RADIAL AS CMC 518B C009 CEXF1E470C C ELECTRO 25V RUS 47MF 5X11 TP 103 1 101 C ELECTRO 50V RUS 100MF 8X11 5 TP 107 1 479 C ELECTRO 50V RUS 4 7MF 5X11 TP C108 CEXF1H109C C ELECTRO 50V RUS 1MF 5X11 TP C110 CEXF1H330C C ELECTRO 50V RUS 33MF 6 3X11 TP C115 CEXF1H470C C ELECTRO 50V RUS 47 6 3X11 TP C118 CEXF1H100C C ELECTRO 50V RUS 10MF 5X11 TP C130 CMXM2A183J C MYLAR 100V 0 018MF J TP C132 CCXB2H272K C CERA HIKB 500V 2700PF K C133 CCXB2H102K C CERA 500V B 1000PF K TAPPING C140 CMXM2A222J C MYLAR 100V 2200PF J TP C143 CMXM2A223J C MYLAR 100V 0 022MF J TP C145 1 470 C ELECTRO 50V RUS 47MF 6 3X11 TP C230 1 229 C ELECTRO 50V RUS 2 2MF 5X11 TP C270 1 229 C ELECTRO 50V RUS 2 2MF 5X11 TP C306 CEXF1E101C C ELECTRO 25V RUS 100MF 6 3X11 TP C311 CEXF1H100C C ELECTRO 50V RUS 10MF 5X11 TP C402 CMXM2A104J C MYLAR 100V 0 1MF J TP 47 LOC PART CODE PART NAME PART DESC C411 CEXF1E221C C ELECTRO 25V RUS 220MF 8X11 5 TP C412 CEXF2A220C C ELECTRO 100V RUS 22 8 11 5 C415 CMXM2A104J C MYLAR 100 0 1MF J TP C420 CMXM2A473J C MYLAR 100V 0 047
25. CXB2H222K C CERA 500V B 2200PF K TAPPING C871 CMXM2A104J C MYLAR 100V 0 1MF J C872 CMXM2A104J MYLAR 100V 0 1MF J TP C873 CMXM2A104J C MYLAR 100V 0 1MF J EF801 5PF1BH220M FILTER LG CFI 06 B 1H 220M EF802 5PF1BH220M FILTER LG CFI 06 B 1H 220M EF803 5PF1BH220M FILTER LC CFI 06 B 1H 220M Q801 TPH2369 TR PH2369 Q803 TBFQ221 TR BFQ221 Q804 TBFQ241 TR BFQ241 Q811 TPH2369 TR PH2369 Q813 TBFQ221 TR BFQ221 0814 TBFQ241 TR BFQ241 Q821 TPH2369 TR PH2369 Q823 TBFQ221 TR BFQ221 Q824 TBFQ241 TR BFQ241 70010 PCCTJAG066 PCB CRT AXIAL AS CMC 518B BD802 5PB13857 COIL BEAD BI3857 AXIAL BD803 5PB13857 COIL BEAD BI3857 AXIAL BD804 5 813857 COIL BEAD BI3857 AXIAL BD805 5PB13857 COIL BEAD BI3857 AXIAL DZ801 DDZ8R2BM DIODE ZENER DZ8 2BM DZ827 DDZ5R1B DIODE ZENER DZ 5 1B 02828 DDZ5R1B DIODE ZENER DZ 5 1B 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 58 LOC PART CODE PART NAME PART DESC D821 DZN4148 DIODE 1N4148 AUTO 52MM D822 DZN4148 DIODE 1N4148 AUTO 52 D823 DZN4148 DIODE 1N4148 AUTO 52MM D824 DZN4148 DIODE 1N4148 AUTO 52 D825 DZN4148 DIODE 1N4148 AUTO 52MM D826
26. GLE CW802 4859234520 CONN WAFER 5268 10A CW803 9979200062 CONN WAFER 5268 08A 801 1TDA4885 IC VIDEO PREAMP TDA4885 Q802 TBFQ225 TR BFQ225 Q812 TBFQ225 TR BFQ225 0822 TBFQ225 TR BFQ225 R806 RX05V182J R 5W 1 8K VERTICAL LEAD R816 RX05V182J CEMENT 5W 1 8K VERTICAL LEAD R826 RX05V182J CEMENT 5W 1 8K VERTICAL LEAD SG804 4SG0D00104 SPARK GAP S 23 1 5KV SG805 4SG0D00104 SPARK GAP S 23 1 5KV 56 LOC PART CODE PART NAME PART DESC 00010 9977241100 SHIELD CASE SPTH C T 0 3 00020 9975816100 LABEL DHHS STICKER 120P 70 45 00030 9977713400 SPACER CARD NYLON 6 6 DASC 6N 00040 9977241200 SHIELD COVER SPTH C T 0 3 40010 PCCTJ1G066 PCB CRT CHIP AS CMC 518B C801 HCFK104ZCA C CHIP CERA 50V YSV 0 1MF 2 2012 C805 HCQK560JCA C CHIP CERA 50V CH 56PF J 2012 C811 1042 C CHIP CERA 50V Y5V 0 1MF Z 2012 C815 HCQK560JCA C CHIP CERA 50V CH 56PF J 2012 C820 1042 C CHIP CERA 50V Y5V 0 1MF Z 2012 C821 HCFK104ZCA C CHIP CERA 50V YSV 0 1MF 2 2012 C825 HCQK680JCA C CHIP CERA 50V CH 68PF J 2012 C831 HCFK104ZCA C CHIP CERA 50V YSV 0 1MF Z 2012 C832 1042 C CHIP CERA 50V Y5V 0 1MF Z 2012 C833 1042 C CHIP CERA 50V Y5V 0 1MF Z 2012 C834 1042 C CHIP CERA 50V Y5V 0 1MF Z 2012 C845 HCFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 R801 HRFT750JCA R CHIP 1 10 75 OHM J 2012 R805 HRFT360JCA R C
27. HIP 1 10 36 OHM J 2012 R811 HRFT750JCA R CHIP 1 10 75 OHM J 2012 R815 HRFT750JCA R CHIP 1 10 75 OHM J 2012 R821 HRFT750JCA R CHIP 1 10 75 OHM J 2012 R825 HRFT470JCA R CHIP 1 10 47 OHM J 2012 R831 HRFT100JCA R CHIP 1 10 10 OHM J 2012 R832 HRFT100JCA R CHIP 1 10 10 OHM J 2012 R833 HRFT100JCA R CHIP 1 10 10 OHM J 2012 R837 HRFT391JCA R CHIP 1 10 390 OHM 2012 R841 HRFT101JCA R CHIP 1 10 100 OHM J 2012 R842 HRFT101JCA R CHIP 1 10 100 OHM J 2012 R843 HRFT101JCA R CHIP 1 10 100 OHM J 2012 R844 HRFT101JCA R CHIP 1 10 100 OHM J 2012 R847 HRFT101JCA R CHIP 1 10 100 OHM J 2012 R848 HRFT101JCA R CHIP 1 10 100 OHM J 2012 R853 HRFT333JCA R CHIP 1 10 33K OHM J 2012 R854 HRFT103JCA R CHIP 1 10 10K OHM J 2012 R862 HRFT332JCA R CHIP 1 10 3 3K OHM J 2012 R864 HRFT332JCA R CHIP 1 10 3 3K OHM J 2012 R866 HRFT332JCA R CHIP 1 10 3 3K OHM J 2012 50010 PCCTJOGO66 CRT PCB ODD ASS ii CMC 518B 57 LOC PART CODE PART NAME PART DESC C822 2 470 C ELECTRO 100V RUS 47MF 10X16 TP C847 CCXE3D103P C CERA HIKE 2KV 0 01MF P P10 4857417500 TERM PIN DA IB0214 D2 3 DY PIN 11 4857417500 TERM PIN DA IB0214 D2 3 DY PIN P12 4857417500 TERM PIN DA IB0214 D2 3 DY PIN 60010 PCCTJRG066 PCB CRT RADIAL AS CMC 518B C819 CEXF1E101C C ELECTRO 25V RUS 100MF 6 3X11 TP C823 CCXB2H472K C CERA 500V B 4700PF K TAPPING C835 1 220 C ELECTRO 50V RUS 22MF 5X11 TP C846 C
28. J231 85801052GY WIRE COPPER 1 0 52 TIN COATING J232 85801052GY WIRE COPPER 1 0 52 TIN COATING J234 85801052GY WIRE COPPER 1 0 52 TIN COATING J235 85801052GY WIRE COPPER 1 0 52 TIN COATING J236 85801052GY WIRE COPPER 1 0 52 TIN COATING R001 RD 2Z105J R CARBON FILM 1 2 1M OHM J R002 RD 2Z154J R CARBON FILM 1 2 150K OHM J R010 RD AZ332J R CARBON FILM 1 6 3 3K OHM J R101 RD 2Z154J R CARBON FILM 1 2 150K OHM J R105 RD 4Z203J R CARBON FILM 1 4 20K OHM J R107 RD 4Z911J R CARBON FILM 1 4 910 OHM J R109 RD AZ472J R CARBON FILM 1 6 4 7K OHM J R110 RD AZ241J R CARBON FILM 1 6 240 OHM J R112 RN AZ8871F R METAL FILM 1 6 8 87K OHM F R113 RN AZ2051F R METAL FILM 1 6 2 05K OHM F R115 RS01Z209JS R M OXIDE FILM 1W 2 OHM J SMALL R117 RD AZ472J R CARBON FILM 1 6 4 7K OHM J R119 RD AZ472J R CARBON FILM 1 6 4 7K OHM J R120 RD AZ272J R CARBON FILM 1 6 2 7K OHM J R124 RS01Z820JS R M OXIDE FILM 1W 82 OHM J SMALL R133 RD AZ302J R CARBON FILM 1 6 3K OHM J H136 RD AZ124J R CARBON FILM 1 6 120K OHM J 8137 RD AZ103J R CARBON FILM 1 6 10K OHM J R150 RD AZ102J R CARBON FILM 1 6 1K OHM J R151 RD AZ154J R CARBON FILM 1 6 150K OHM J 54 LOC PART CODE PART NAME PART DESC R153 RD AZ153J R CARBON FILM 1 6 15K OHM J R207 RD AZ103J R CARBON FILM 1 6 10K OHM J R210 RD AZ472J R CARBON FILM 1 6 4 7K OHM J R211 RD AZ471J R CARBON FILM 1 6 470 OHM J R215 RD AZ750J
29. L AS CMC 518B BD001 5PB13857 COIL BEAD BI3857 AXIAL BD002 5 13857 COIL BEAD BI3857 AXIAL 80003 5PB13857 COIL BEAD BI3857 AXIAL 80004 5 13857 COIL BEAD BI3857 AXIAL BD101 5PB13857 COIL BEAD BI3857 AXIAL BD102 5PB13857 COIL BEAD BI3857 AXIAL BD103 5PB13857 COIL BEAD BI3857 AXIAL BD201 5PB13857 COIL BEAD BI3857 AXIAL BD301 5PB13857 COIL BEAD BI3857 AXIAL BD501 5PB13857 COIL BEAD BI3857 AXIAL 49 LOC PART CODE PART NAME PART DESC DZ130 DDZ12BM DIODE ZENER DZ12BM DZ210 DDZ5R1B DIODE ZENER DZ 5 1B DZ211 DDZ5R1B DIODE ZENER DZ 5 1B DZ213 DDZ5R1B DIODE ZENER DZ 5 1B DZ214 DDZ5R1B DIODE ZENER DZ 5 1B DZ621 DDZ12BM DIODE ZENER DZ12BM DZ622 DDZ12BM DIODE ZENER DZ12BM D007 DZN4148 DIODE 1N4148 AUTO 52MM D106 DZN4148 DIODE 1N4148 AUTO 52MM 0111 DZN4148 DIODE 1N4148 AUTO 52MM D112 DZN4148 DIODE 1N4148 AUTO 52MM D130 DZN4148 DIODE 1N4148 AUTO 52MM D205 DZN4148 DIODE 1N4148 AUTO 52 D206 DZN4148 DIODE 1N4148 AUTO 52MM D450 DZN4148 DIODE 1N4148 AUTO 52MM D512 DZN4148 DIODE 1N4148 AUTO 52MM D521 DZN4148 DIODE 1N4148 AUTO 52MM D580 DZN4148 DIODE 1N4148 AUTO 52MM D621 DZN4148 DIODE 1N4148 AUTO 52 D622 DZN4148 DIODE 1N4148 AUTO 52MM D680 DZN4148 DIODE 1N4148 AUTO 52 Ei 4856310200 EYE LET BSR 0 2 820 E10 4856310200 EYE LET BSR T0 2 R2 0
30. ON COMP 1 2 47 OHM J R812 RD AZ330J R CARBON FILM 1 6 33 OHM J R813 RD AZ470J R CARBON FILM 1 6 47 OHM J 59 LOC PART CODE PART NAME PART DESC R814 RN AZ1370F R METAL FILM 1 6 137 0 OHM F R817 RD 3Z220JF R CARBON FILM 1 3 22 OHM J FRAME FROOF R818 RD 3Z220JF R CARBON FILM 1 3 22 OHM J FRAME FROOF R819 RD AZ102J R CARBON FILM 1 6 1K OHM J R820 RC 22470J R CARBON COMP 1 2 47 OHM J R822 RD AZ330J R CARBON FILM 1 6 33 OHM J R823 RD AZ470J R CARBON FILM 1 6 47 OHM J R824 RN AZ1370F R METAL FILM 1 6 137 0 OHM F R827 RD 3Z220JF R CARBON FILM 1 3 22 OHM J FRAME FROOF R828 RD 3Z220JF R CARBON FILM 1 3 22 OHM J FRAME FROOF R829 RD AZ621J R CARBON FILM 1 6 620 OHM J R830 RC 2Z470J R CARBON COMP 1 2 47 OHM J R838 RD AZ391J R CARBON FILM 1 6 390 OHM J R839 RD AZ391J R CARBON FILM 1 6 390 OHM J R840 RD 2Z330J R CARBON FILM 1 2 33 OHM J R845 RD AZ101J R CARBON FILM 1 6 100 OHM J R846 RD AZ101J R CARBON FILM 1 6 100 OHM J R849 RD AZ101J R CARBON FILM 1 6 100 OHM J R850 RD AZ101J R CARBON FILM 1 6 100 OHM J R851 RD AZ222J R CARBON FILM 1 6 2 2K OHM J R852 RD AZ222J R CARBON FILM 1 6 2 2K OHM J R861 RD AZ433J R CARBON FILM 1 6 43K OHM J R863 RD AZ393J R CARBON FILM 1 6 39K OHM J R865 RD AZ433J R CARBON FILM 1 6 43K OHM J R869 RD 22562J R CARBON FILM 1 2 5 6K OHM J R870 RD 4Z564J R CARBON FILM 1 4 560K OHM J SG801 DW
31. R CARBON FILM 1 6 75 OHM J R216 RD AZ101J R CARBON FILM 1 6 100 OHM J R218 RD AZ101J R CARBON FILM 1 6 100 OHM J R219 RD AZ222J R CARBON FILM 1 6 2 2K OHM J R220 RD AZ222J R CARBON FILM 1 6 2 2K OHM J R222 RD AZ101J R CARBON FILM 1 6 100 OHM J R223 RD AZ101J R CARBON FILM 1 6 100 OHM J R228 RD AZ472J R CARBON FILM 1 6 4 7K OHM J R232 RD AZ472J R CARBON FILM 1 6 4 7K OHM J R233 RD AZ101J R CARBON FILM 1 6 100 OHM J R240 RD AZ122J R CARBON FILM 1 6 1 2K OHM J R253 RD AZ101J R CARBON FILM 1 6 100 OHM J R257 RD AZ750J R CARBON FILM 1 6 75 OHM J R307 RD AZ101J R CARBON FILM 1 6 100 OHM J R308 RD AZ101J R CARBON FILM 1 6 100 OHM J R401 RD AZ101J R CARBON FILM 1 6 100 OHM J R410 80 22301 R CARBON FILM 1 2 300 OHM J R415 RD 22201J R CARBON FILM 1 2 200 OHM J R416 RN AZ2431F R METAL FILM 1 6 2 43K OHM F R420 RS01Z918JS R M OXIDE FILM 1W 0 91 OHM J SMALL R422 RD AZ103J R CARBON FILM 1 6 10K OHM J R433 RD AZ102J R CARBON FILM 16 1K OHM J R440 RD AZ101J R CARBON FILM 1 6 100 OHM J R441 RD AZ101J R CARBON FILM 1 6 100 OHM J R452 RD AZ512J R CARBON FILM 1 6 5 1K OHM J R503 RD 4Z100J R CARBON FILM 1 4 10 OHM J R504 RD AZ101J R CARBON FILM 1 6 100 OHM J R512 RD AZ392J R CARBON FILM 1 6 3 9K OHM J R513 RD AZ471J R CARBON FILM 1 6 470 OHM J R516 RD 4Z470J R CARBON FILM 1 4 47 OHM J R521 RD AZ303J R CARBON FILM 1 6 30K OHM J R522 RD AZ103J R CARBON FILM 1 6 10K OHM J R523 RD AZ223J R CARBON FILM 1 6 22K OHM J R540 RS01Z201JS R M O
32. SP201M SURGE ABSORBER WSP 201M SG802 DWSP201M SURGE ABSORBER WSP 201M SG803 DWSP201M SURGE ABSORBER WSP 201M 00001 9979800446 PCB VIDEO T 1 6 155 82 10020 PCBCCPG066 COVER REAR AS CMC 518B 00010 9972115200 COVER REAR FR ABS GY 258A 00010 2221080957 RESIN ABS LG AF 312 88328B GY 275A 00020 9975420300 LABEL RATING PE FILM 00030 7173401411 SCREW TAPPTITE TT2 BIN 4X14 10030 PCPKCPG066 PACKING AS CMC 518B P001 W1113D831 CORD POWER 1 SVT 3X18AWG 1 8M 00010 9978131200 CUSHION EPS 00020 9978035800 BOX CARTON SW 3 60 LOC PART CODE PART NAME PART DESC 00030 9978212800 BAG POLY P E FILM 0 03 900 900 00040 9978212900 BAG POLY PE FILM T0 05 250 350 00050 2TP00075CL TAPE OPP 50X75 CLEAR 00060 9975822500 LABEL BARCODE 80 22 ART PAPER 00065 9978213700 BAG CARGO LIGHT 1000 1850 00070 99729205A3 BASE STAND AS HIPS GY 275A 00010 9972920503 BASE STAND HIPS GY 275A 00010 2221110233 RESIN PS LG HIPS 55WC GY 275A 00020 9972920403 SWIVEL TABLE HIPS GY 275A 00010 2221110233 RESIN PS LG HIPS 55WC GY 275A 00030 9972711100 FOOT RUBBER WHT 14 00040 9978212601 BAG POLY PE FILM T0 05 375 360 00050 2TU08024CL TAPE VINYL 0 08TX24MM CLEAR 61 DAEWOO DAEWOO ELECTRONICS CO LTD 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 AA
33. Service Manual XGA COLOR MONITOR Model CMC 518B 2 o S E z 2 2 DAEWOO ELECTRONIC OVERSEAS SERVICE DEPE CONTENTS SAFETY PRECAUTIONS 1 GENERAL SAFETY INFORMATION 2 SERVICING PRECAUTIONS 3 TECHNICAL INFORMATION 6 GENERAL INFORMATION 7 PIN CONNECTOR 8 CAUTIONS FOR ADJUSTMENT AND REPAIR 8 ALIGNMENT PROCEDURE 9 TROUBLESHOOTING HINTS 11 OPERATION amp ADJUSTMENT 25 BLOCK DIAGRAM 29 PCB LAYOUT 30 SCHEMATIC DIAGRAM 34 EXPLODED VIEW DIAGRAM 38 REPLACEMENT PARTS LIST 39 PARTS LIST 40 SAFETY PRECAUTIONS CAUTION No modifications of any circuit should be attempted Service work should only be performed after you are thoroughly familiar with all of the following safety check and servicing guidelines Safety Check Care should be taken while servicing this analog color display because of the high voltages used in the deflection circuits These voltages are exposed in such areas as the associated flyback and yoke circuits Fire amp Shock Hazard Insert an isolation transformer between the analog color display and AC power line before servicing chassis In servicing pay attention to original lead dress especially in the high voltage circuit If a short circuit is found replace all parts which have been overheated as a result of the short circuit All the protective devices must be reinstalled per original design Solder
34. TING J111 85801052GY WIRE COPPER 1 0 52 TIN COATING J112 85801052GY WIRE COPPER 1 0 52 TIN COATING J113 85801052GY WIRE COPPER 1 0 52 TIN COATING J114 85801052GY WIRE COPPER 1 0 52 TIN COATING J115 85801052GY WIRE COPPER 1 0 52 TIN COATING J116 85801052GY WIRE COPPER 1 0 52 TIN COATING J117 85801052GY WIRE COPPER 1 0 52 TIN COATING J118 85801052GY WIRE COPPER 1 0 52 TIN COATING 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 85801052GY WIRE COPPER 1 0 52 TIN COATING J124 85801052GY WIRE COPPER 1 0 52 TIN COATING J125 85801052GY WIRE COPPER 1 0 52 TIN COATING J126 85801052GY WIRE COPPER 1 0 52 TIN COATING J127 85801052GY WIRE COPPER 1 0 52 TIN COATING J128 85801052GY WIRE COPPER 1 0 52 TIN COATING J129 85801052GY WIRE COPPER 1 0 52 TIN COATING 130 85801052GY WIRE COPPER 1 0 52 TIN COATING J131 85801052GY WIRE COPPER 1 0 52 TIN COATING J132 85801052GY WIRE COPPER 1 0 52 TIN COATING J133 85801052GY WIRE COPPER 1 0 52 TIN COATING J134 85801052GY WIRE COPPER 1 0 52 TIN COATING 51 LOC PART CODE PART NAME PART DESC J135 85801052GY WIRE COPPER 1 0 52 TIN COATING J136 85801052GY WIRE COPPER 1 0 52 TIN COATING J137 85801052GY WIRE COPPER 1 0 52 TIN COATING J138 85801052GY WIRE COPPER 1 0 52 TIN COATING J139 8580
35. TOR KIA78L05BP IC102 1KA431AZ IC REGULATOR KA431AZ IC202 1K1A7042P IC SWITCH KIA7042P Q101 TKTA1274Y TR KTA1274 Q102 TKTA1273Y TR KTA1273 Y Q103 TZTC3198Y TR KTC3198Y 1815Y AUTO 48 LOC PART CODE PART NAME PART DESC Q104 TKTA1273Y TR KTA1273 Y Q105 TZTC3203Y TR KTC3203Y 2120Y Q131 TZTC3202Y TR KTC3202Y AUTO 1959Y Q132 TZTA1270Y TR KTA1270Y AUTO 562Y Q182 TZTC3202V TR KTC3202Y AUTO 1959Y Q201 TZTA1270Y TR KTA1270Y AUTO 562Y Q202 TZTA1270Y TR KTA1270Y AUTO 562Y Q203 TZTC3202Y TR KTC3202Y AUTO 1959Y Q204 TZTC3202V TR KTC3202Y AUTO 1959Y Q310 TZTC3198V TR KTC3198Y 1815Y AUTO Q421 TZTC3207 TR KTC3207 AUTO Q423 TZTC3198Y TR KTC3198Y 1815Y AUTO Q453 TZTA1270Y TR KTA1270V AUTO 562V 0506 TZSR1006 TR KSR1006 AUTO Q510 TZTC3202Y TR KTC3202Y AUTO 1959Y Q511 TZTA1270Y TR KTA1270Y AUTO 562Y Q521 TZTC3202Y TR KTC3202Y AUTO 1959Y Q522 TZTC3202Y TR KTC3202Y AUTO 1959Y Q551 TKSC2383Y TR KSC 2383 Y Q580 TZTC3198Y TR KTC3198Y 1815Y AUTO Q581 TZTC3207 TR KTC3207 AUTO Q582 TZTC3207 TR KTC3207 AUTO Q583 TZSR1006 TR KSR1006 AUTO Q601 TZTC3198Y TR KTC3198Y 1815Y AUTO Q621 TZTA1270Y TR KTA1270Y AUTO 562Y Q682 TZTC3202Y TR KTC3202Y AUTO 1959Y Q702 TZTC3202V TR KTC3202Y AUTO 1959Y Q703 TZTA1270Y TR KTA1270Y AUTO 562Y 60010 PCMPJAG066 PCB MAIN AXIA
36. US 1000MF 10X20 TP C120 CH1FDF472M C CERA AC HIKB AC400V 4700PF M C131 CMXF2D104J C MYLAR MPP 200V 0 1MF J C134 CEXF2E220C C ELECTRO 250V RUS 22MF 13X20 TP C212 CEXF1C471C C ELECTRO 16V RUS 470MF 10X12 5 TP C514 CMXH3C542J C MYLAR BUP 1 6KV 5400PF J C515 CMXE2J822J C MYLAR PL 630V 8200PF J 45 LOC PART CODE PART NAME PART DESC C516 CMXH3C152J C MYLAR 1 6KV BUP 1500PF J TP C517 CMXE2J223J C MYLAR 630V PU 0 022MF J TP C537 CMXF2D224J C MYLAR MPP 200V 0 22MF J C538 CMXF2D104J C MYLAR MPP 200V 0 1MF J C539 CMXF2D564J C MYLAR MPP 200V 0 56MF J C541 CMXF2D184J C MYLAR MPP 200V 0 18MF J C542 CMXF2G274J C MYLAR MPP 400V 0 27MF J C652 CEXF2V220C C ELECTRO 350V RUS 22MF 13 25 C658 CEXF2C470C C ELECTRO 160V RUS 47MF 13X25 TP D003 DBYT43M DIODE BYT43M 0004 DBYT43D DIODE BYT43D D101 54 DIODE BYT54M D103 DBYT43M DIODE BYT43M D104 DBYT43G DIODE BYT43G D105 DZBYV2720 DIODE BYV27 200 D107 DBYT43G DIODE BYT43G D108 DZBYV27200 DIODE BYV27 200 D131 D1N4937GP DIODE 1N4937GP TAPPING D132 DBYT43G DIODE BYT43G D517 D1N4937GP DIODE 1N4937GP TAPPING D518 D1N4937GP DIODE 1N4937GP TAPPING D571 D1N4937GP DIODE 1N4937GP TAPPING D601 D1N4002A DIODE 1N4002 D653 D1N4937GP DIODE 1N4937GP TAPPING D654 D1N4937GP DIODE 1N4937GP TAPPING D658 D1N4937GP DIODE 1N4937GP TAPPING D659 D1N4937GP DIODE
37. XIDE FILM 1W 200 OHM J SMALL R541 RD AZ224J R CARBON FILM 1 6 220K OHM J 55 LOC PART CODE PART NAME PART DESC R542 RD AZ224J R CARBON FILM 1 6 220K OHM J R543 RD AZ224J R CARBON FILM 1 6 220K OHM J R553 RD AZ103J R CARBON FILM 1 6 10K OHM J R556 RD AZ222J R CARBON FILM 1 6 2 2K OHM J R560 RD AZ392J R CARBON FILM 16 3 9K OHM J R571 RD AZ362J R CARBON FILM 1 6 3 6K OHM J R573 RN AZ2322F R METAL FILM 1 6 23 2K OHM F R574 RD AZ302J R CARBON FILM 1 6 3K OHM J R576 RD AZ102J R CARBON FILM 1 6 1K OHM J R580 RS01Z103JS R M OXIDE FILM 1W 10K OHM J SMALL R582 RD 4Z473J R CARBON FILM 1 4 OHM J R584 RD AZ474J R CARBON FILM 1 6 470K OHM J R591 RD AZ103J R CARBON FILM 1 6 10K OHM J R594 RD AZ103J R CARBON FILM 1 6 10K OHM J R595 RD AZ473J R CARBON FILM 1 6 47K OHM J R601 80 42109 R CARBON FILM 1 4 1 OHM J R615 RD AZ102J R CARBON FILM 1 6 1K OHM J R626 RD AZ202J R CARBON FILM 1 6 2K OHM J R653 RD AZ124J R CARBON FILM 1 6 120K OHM J R654 RS01Z109JS R M OXIDE FILM 1W 1 OHM J SMALL R668 RD AZ823J R CARBON FILM 1 6 82K OHM J R701 RD AZ102J R CARBON FILM 1 6 1K OHM J R705 RD 2Z100J R CARBON FILM 1 2 10 OHM J R706 RD 4Z100J R CARBON FILM 1 4 10 OHM J 00001 9979800445 PCB MAIN T 1 6 330 246 30020 PCCTSWG066 PCB CRT AS CMC 518B 5801 9979300002 CRT ISHM10S CW801 9979220021 CONN WAFER SMAW250 06 AN
38. age probe Do not test high voltage by drawing an arc 3 Discharge the picture tube anode only by a first connecting one end of an insulated clip lead to the degaussing or line grounding system shield at the point where the picture tube socket ground lead is connected and then b touching the other end of the insulated clip lead to the picture tube anode button using an insulating handle to avoid personal contact with high voltage 4 Do not any spray chemicals on or near this instrument or any or its assemblies 5 Unless specified otherwise in this service manual clean electrical contacts by applying the following mixture to the contacts with a pipe cleaner cotton tipped stick or comparable nonabrasive applicator 10 by volume Aceton and 90 by volume isopropyl alcohol 90 99 strength CAUTION This is a flammable mixture Unless specified otherwise in this service manual lubrication of contacts is not required 6 Do not defeat any plug socket B voltage interlocks with which instruments covered by this service manual might be equipped 7 Do not apply AC power to this instrument and or any of its electrical assemblies unless all solid state device heat sinks are correctly installed 8 Always connect the test instrument ground lead to the appropriate instrument chassis ground before connecting the test instrument positive lead Always remove the test instrument ground lead last 9 Use only the test fixtu
39. d chemicals These can generate enough electrical charges to damage ES devices 6 Do not remove a replacement ES device from its protective package until immediately before you are ready to install it Most replacement ES 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 of a replacement ES device touch the protective material to the chassis or circuit assembly into which the device will be installed CAUTION Be sure that no power is applied to the chassis or circuit and observe all other safety precautions 8 Minimize bodily motions when handling unpackaged replacement ES devices Otherwise harmful motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate enough static electricity to damage an ES devices General Soldering Guidelines 1 Use a grounded tip low wattage soldering iron with appropriate tip size and shape that will maintain tip temperature within a 550 600 288 316 range 2 Use an appropriate gauge of RMA resin core solder composed of 60 parts tin 40 parts lead 3 Keep the soldering iron tip clean 4 Thoroughly clean the surface to be soldered Use a small wire bristle 0 5 inch or 1 25cm brush with a metal handle Do not use freon propelled spray on cleaners 5 Use the following
40. ding lead on the circuit board crimp each connection and solder it 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 necessary TECHNICAL INFORMATION Electrical CRT dot pitch 0 28mm dot pitch Horizontal frequency 30KHz to 69KHz Automatically Vertical frequency 50Hz to 120Hz Automatically Operating temperature 10 40 50 104 Operating humidity 8 80 Mechanical Cabinet Molded Plastic Cabinet with detachable tilt amp swivel base Dimension set with stand 381 5 H 368 W 394 D mm Weight net 14 2 Kg Controls Power Switch OSD Key Contrast C 2 gt C gt Brightness EXIT ADJUST SELECT MENU Horizontal Position Horizontal Size Vertical Position Vertical Size Pincushion Trapezoid Parallegram Pin Corner Pin Balance R Gain G Gain B Gain Color Temp Recall Degauss Moire System Spec Tilt Optional GENERAL INFORMATION This color monitor automatically scans all horizontal frequencies from 30KHz to 64KHz and all vertical frequencies from 50Hz to 120Hz This color monitor adopted the OSD On Screen Display it shows the sync polarity and frequency and it provides that easily adjust control This color monitor supports IBM PC PC XT PC AT personal System 2 PS 2 Apple Macintosh and compatible users crisp text and vivid color graphics
41. ghtness control fully counterclockwise Measure the high voltage The high voltage meter should indicate the following factory re commended level If the upper meter indication exceeds the maximum level immediate service is required to prevent the possibility of premature component failure To prevent X Radiation possibility it is essential to use the specified picture tube The nominal high voltage is 25 5KV or below and must not exceed 29KV at zero beam current at rated voltage GENERAL SAFETY INFORMATION Terms in the manual CAUTION Statements identify conditions or practices that could result 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 Statements indicate a personal injury hazard not immediately accessible as one reads the marking or a hazard to properly including the equipment itself WARNING Statements indicate a personal injury hazard immediately accessible as one reads the marking 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 Component Warning Label Following warning label is on the CRT PWB shield case inside the unit Warning This product includes critical mechanical and electrical parts which are essential for X
42. ing must be inspected for possible cold solder points frayed leads damaged insulation solder splashes or sharp solder points Be certain to remove all foreign materials Implosion Protection Picture tube in this monitor employs integral implosion protection system but care should be taken to avoid damage and scratching during installation Use only same type replacement picture tubes IMPORTANT SAFETY NOTICE There are special components 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 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 ELECTRONICS CO or this will void the original parts and labor warranty X Radiation WARNING The only potential source of X Radiation is the picture tube However when the high voltage circuitry is operating properly there is no possibility of an X Radiation problem The basic precaution which must be exercised is to keep the high voltage at the following factory recommended level NOTE It is important to use an accurate periodically calibrated high voltage meter i To measure the high voltage use a high impedance high voltage meter Connect to chassis and to the CRT anode button Turn the Contrast amp Bri
43. lector Trouble in D104 Q101 or T001 30V DC Is voltage of C115 13V DC Trouble in T001 or Q102 IC102 voltage of IC101 pin 1 Trouble in IC101 or D105 IC102 5V DC Yes P S U O K 24 OPERATION amp ADJUSTMENT C GIHD AND EXIT ADJUST SELECT MENU Launch OSD On Screen Display Menus Select the next function Select the previous function Increase the value of any selected function Decrease the value of any selected function Exit OSD Menus amp Launch OSD Menus when no OSD ka ATD AZ gm B eR C 10 p IA 206 100 c ODO CMEND Register Value Change ED Color Select x rh x A IE mme QOD TA 600 5096 600 5096 ID l OD Register Value Change gt Register Value Change 7 T 7 ty EH ay lt CES tj FH E TA 50 66 50 Register Value Change Register Value Change Y ED Y eo OD p
44. mage turns to gt MOIRE e mage turns to by Adjust the rotation when the screen is tilted left lt or right Optional 50 Image turns to TILT Image turns to by While adjusting moire the display might look vague so adjust moire at best fitted condition 27 3 OSD On Screen Display Menu 3 Adjust the left and right margins for more convex or more concave margins 50 fUmage turns to by CD PINCUSHION fUmage turns to by I A Adjust the trapezoid of the screen by moving the lines inward outward 50 f mage turns to X by GD TRAPEZOID f mage turns to V7 Adjust parallelogram when the screen is leaning left or right eaning left or right 50 f mage turns to GD PARALLELOGRAM fUmage turns to V by Adjust the side Balance when the sides of the screen are bowed towards left or right 50 fUmage turns to by GD SIDE BALANCE f mage turns to CI E Adjust the left and right margins of the each 1 Corner 50 f mage turns to YT by GD CORNER PINCUSHION fUmage turns to 7 by CI 4 OSD On Screen Display Menu 4 amp Adjust the red gain 50 RED GAIN Adjust the green gain 50 GREEN GAIN Adjust the blue gain 50 BLUE GAIN 2
45. n 20 25 30 and their ambient circuit Trouble in 13Vdc line of the Main PWB 13Vdc line normal clamping pulse pin 5 of IC801 ormal No Check the clamping pulse circuit 5Vpp Check the signal cable input signal normal Yes Trouble in IC801 and its ambient circuit 2 No Raster Is CRT heater red hot No Is Heater Voltage CRT PWB about 6V No Increase the Brightness amp Contrast control level fully Maxium Trouble in power supply circuit whole screen bright Trouble in video circuit Check G1 voltage about 55V Trouble in G1 line of Main PWB Is CRT G2 screen voltage about 500V No Trouble in FBT Is 85Vdc line normal Trouble in 85Vdc line of power supply unit Does increasing of the Brightness control level make screen bright Yes Raster OK No High Voltage trouble in FBT Trouble in CRT Refer to trouble in power supply unit Refer to trouble in P S U 12 3 A Missing Color One color is missing 4 Y Is input signal normal 0 7Vpp Is the output of pre amp IC801 TDA4885 pin 20 25 30 all normal CRT Cathode Rk Gk Bk is
46. normal Each grid G1 G2 voltage normal Replace CRT No RK GK BK About 45V p p No Check video signal cable or video card Trouble in 801 or its ambient circuit video output Q803 Q813 Q823 waveform ormal Yes Trouble in 85 13Vdc line Trouble in G1 line and G2 line Trouble in video output circuit Q803 804 Q813 814 Q823 824 or ambient az Y r co S ss OL x 4 Abnormal OSD Font OSD If menu key selected Y Is menu key selected Is OSD Font exist Trouble in IC301 or its ambient circuit Blanking signal pin 12 of IC301 Yes One color is Trouble in IC801 missing and its ambient circuit Yes Trouble in IC301 and its ambient circuit Is the input of IC301 pin 13 14 15 normal Yes Y Refer to Missing Color 14 5 Horizontal Output Circuit MODE TP1 Voltage VGA 66Vdc S VGA 82Vdc VESA S VGA 103Vdc XGA 116Vdc Hf 68KHz 145Vdc 14 5Vp p 10Vp p 12Vp p Trouble in Horizontal output circuit No Raster Y Is B line voltage normal No Trouble in power supply circuit Q502 base waveform
47. ocus control of FBT to obtain best Focus static focus and Dynamic focus 4 Geometric Distortion Adjustment a Receive the cross hatch pattern of 69KHz mode signal b Pin balance Pin center Pin corner Parallelogram are adjusted the best geometric status 5 White Balance Adjustment a Select 9300 K on the OSD Menu b Receive a cross hatch pattern of 60KHz mode signal by using the signal generator c Set the brightness control to the center the contrast control to the maximum and sub contrast control VR to the center d Cut off the FBT screen VR e Set the brightness control to the maximum and receive all the black patterms f Select the R BIAS G BIAS and B BIAS on the OSD menu and adjust the DATA key to get the color coordinates in x 0 281 y 0 311 g Receive al full white pattern h Select the R GAIN G GAIN and B GAIN and adjust Data key to get the color coordinates in x 0 281 0 05 0 311 0 05 i Set the brightness control to the center and adjust the sub contrast control to get the screen luminosity to 30t L a full white pattern over Check if the coordinates of color analyzer is in X 0 281 0 05 Y 0 311 0 05 If the color coordinates is out of range adjust the R G B BIAS amp GAIN to get the coorinates in X 0 281 Y 0 311 Make sure that the coordinates is in range by using contrast control k Select 6550 K on the OSD Menu and set the color coordinates in X 0 313 Y 0 329 at the
48. omponents use only manufacturer s specified parts Abbreviation of Description RESISTOR Description Allowance 1 8 lt 10 20 2 Example Part No Description Resistors RE 4Z820J Cabron 82J CAPACITOR Description Allowance 0 25 0 5 5 10 100 0 80 Example nee Part No Description Index Capacitors C102 CCXF1H104Z Ceramic 50V Z C105 CBSLH200J Ceramic 50V J C402 CCXB1H331K Ceramic 50V K 39 PART LIST The components identified by mark A 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 10010 66 COVER FRONT AS CMC 518B CGND 9970710164 CRT GND AS 0 12 6 16 BL102NG 630 A CRT 9979615003 CDT M36KXU110XX61 T DG001 5MG0000050 COIL DEGAUSSING HP 1512B 06002 5MG0000046 COIL TILT TC 15B 8001 9970800012 CABLE SIGNAL 15P 2C DDC 1 5M 00010 99720183A0 COVER FRONT AS CMC 518B COVER FRONT 00010 9972018300 COVER FRONT FR ABS GY 258A 00010 2221080957 RESIN ABS LG AF 312 88328B GY 275A 00020 9974819900 BUTTON FR ABS GY 258A 00010 2221080957 RESIN ABS LG AF 312 88328B GY 2
49. or remains unfocused Check Focus VR in FBT Is Focus acceptable OK Trouble in Focus circuit FBT 18 8 Convergence Poor convergence 15 convergence on the center area bad Is convergence on the fringe area bad Adjust static convergence Adjust D Y Location Refer to Adjustment procedure of convergence 19 9 Abnormal Picture 9 1 Horizontal Size At first adjust controls in the OSD Menu Abnormal H Size changeable the DC level of the base of Q571 JUL 1000Vp p Is the collector pulse of Q502 correct No Yes Is the cathode waveform f D504 S0 2S0Vpp No Trouble in H OSC Deflection Circuit Refer to Horizontal Output circuit changeable the DC level of pin 2 of the 571 Check the 201 and its ambient circuit Yes Trouble in Horizontal output circuit Check the B and anode voltage of CRT Trouble in L502 IC531 gt or their ambient circuit 20 Check the 571 and its ambient circuit Normally anode voltage of CRT is approximately 24 5KV Scan B are as follow MODE TP1 Voltage VGA 66Vdc Super VGA 82Vdc VESA SVGA 103Vdc XGA 116Vdc Hf 68KHz 145Vdc 9 2 Vertical Size Abnormal V Size
50. res specified in this service manual with this instrument CAUTION Do not connect the test fixture ground strap to any heatsink in this instrument Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components are called Electrostatically Sensitive ES Devices The examples of typical ES devices are integrated circuits some field effect transistors and semiconductor chip components The following techniques should be used to help reduce the incidence of component damage caused by static electricity 1 Immediately before handling any semiconductor component or semiconductor equipped assembly drain off any electrostatic charge on your body by touching a known earth ground Alternatively obtain and wear a commercially available discharging wrist strap device which should be removed for potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static type solder removal device Some solder removal devices not classified as anti static can generate enough electrical charges to damage ES devices 5 Do not use freon propelle
51. soldering technique a Allow the soldering iron tip to reach normal temperature 550 to 600 or 288 to 316 b Hold the soldering iron tip and solder strand against the component lead until the solder melts c Quickly move the soldering iron tip to the junction of the component lead and the printed circuit foil and hold it there only until the solder flows onto and around both the component lead and the foil d Closely inspect the solder area and remove any excess or splashed solder with a small wire bristle brush CAUTION Work quickly to avoid overheating the circuit board printed foil LLL A FIGURE 1 USE SOLDERING IRON TO PRY LEADS IC Removal Replacement Some utilized chassis circuit boards have slotted oblong holes through which the IC leads are inserted and then bent flat against the circuit foil When holes are slotted the following technique should be used to remove and replace the IC When working with boards using the familiar round hole use the standard technique as outlined in paragraphs 5 on the page under the title of general soldering guidelines Removal Desolder and straighten each IC lead in one operation by gently prying up on the lead with the soldering iron tip as the solder melts 2 Draw away the melted solder with an anti static suction type solder removal device or wi
52. th 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 3 Clean the soldered areas with a small wire bristle brush It is not necessary to reapply acrylic coating to the area Small Signal Discrete Transistor Removal Replacement Remove the defective transistor by clipping its leads as close as possible to the component body Bend the end of each of three leads remaining on the circuit board into a U shape Bend the replacement transistor leads into a U shape Connect the replacement transistor leads to the corresponding leads extending from the circuit board and crimp the U with long nose pliers to insure metal to metal contact then solder each connection 0 Power IC Transistor or Devices Removal Replacement RON Heat and remove all solders from the device leads Remove the heatsink mounting screw if applicable Carefully remove the device from the circuit board Insert new device in circuit board Solder each device lead and clip off excess lead Replace heatsink Diode Removal Replacement 3 Remove defective diode by clipping its leads as close as possible to diode body Bend the two remaining leads perpendicularly to the circuit board Observing diode polarity wrap each lead out of the new diode around the correspon
53. usting only 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 Completely discharge high voltage before servicing or replacing CRT to prevent a shock to the serviceman ALIGNMENT PROCEDURE Standard Adjustment Conditions 1 Power source voltage 90 264 50 60Hz 2 Aging Take at least 20 minutes warm up time 3 Signals Video Analog 0 7Vpp 758 terminal positive polarity Synchronizing TTL level Negative Positive Separate Composite Deflection frequency Horizontal Frequency 30 KHz 69KHz Vertical Frequency 50Hz 120Hz Pre Adjustment 1 B Adjustment Adjust 145 5Vdc 0 5Vdc between TP1 and ground at 69KHz mode varying VR104 Main Adjustment 1 Setting the Controls Set the value of items as following Contrast Max OSD value up to MAX Brightness Center Set the OSD value to center 2 H size V size H phase V position Pincushion Trapezoid Receive the cross hatch pattern of Factory preset mode H Size V size H phase V position Pincushion Trapezoid 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 and contrast control to MAX b Receive all H character pattern of 69KHz mode signal Adjust the F

CMC-518B (Page 1) - Super TV Servis M+S

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