Fujitsu 154V Computer Monitor User Manual
Contents
1.2. MODEL MCM1545V D556Q FOR SNI DRAWING VERSION A CHECKED DATE 12 21 99 APPROVED
3. EHT 25KV n fs 2 1C801 SIGNAL 6 80 IC802 6 CABLE B pee LM2438T CRT PRE AMP B FUNCTION KEY H FOCUSG2HVG UP DOWN CONTROL 6101 UM68P61A WT60P1 CPU 10401 Q402 T401 Q403 T402 FBT CRYSTAL 8M TDA9111 VERT amp HOR OSG lt HOR DRIVER HOR O P Q907 Q908 0909 0910 LED CONTROL POWER X RAY PROTECTION 9 0404 0405 0406 TDA9302H PINCUSHION amp VERT O P H SIZE CONTROL gt Q601 Q707 BLANKING CIRCUIT 75V 12V 6 3V Q909 0910 10904 om 12V 15V OUTPUTS RECTIFIED OUTPUTS amp SMOOTHED Q907 Em Q908 L906 000 R963 8122 5 34 12 0928 7 5 101 VARI LED1 26 TRANSFORMER lt 70V 170V 2 RECTFED B POWER 8 MOSFET SMOOTHED 9 DEGAUSSING RECTIFIED 214 PR901 SMOOTHED iI e POWER TRANSFORMER START RECTIFIED CKT 2 0909 0904 R922 2D902 SMOOTHED 7 2 6901 CONTROL OP ON OFF amp POWER PWM O P SWITCH 10901 3 MOSFET 4 Is o R929 lt LINE FILTER H SYNC AC INPUT H SYNC 100V 240V CONTROL B PWM CONTRO 1C401 Q91
4. OK CHECK IC901 NG 1C901 FAILURE OK CHECK Q901 CRT BOARD SHIELD 85T542 1 ss gt SSS Sen SCREW 5 30mm DEGAGSSING COIL 222522222220522222222222222 11503 5 47 44005 750 1697 1 225 z 22 22225 d 222 N CRT SOCKET BOARD N 3289 VIDEO BOARD REAR CABINET ati 34A624 XXX XXX ROTATION COIL i 207 ROTATION cols Deed 7550581994 2 ee 23 5 10 22 35 10 128 28 8 2990 228 2227 EN 2237 BACK COVER 222 34E610 XXX A 2 FBT T402 1402 2 2 794569 4 4 HEAT SINK 2402 b406 2411 IHN Q1A340 16 128 4PCS 90T345 502 SWIVEL SIGNAL CABLE ASS Y HEAT SINK 10601 20760031 89 172 49 2 AC INLET gt 87 501 5 REAR BRACKET MAIN PCB 15T5659 1 0556 LED HOLDER gt 33 3629 POWER SWITCH 77A306 12 77 HEAT SINK 0901 90T339 2 1901 BOAS56T 1 L RUBBER FOOT 12A381 1 4PCS FUNC LED LENS WU KEY PAD 16964 e BOTTOM BASE 1 33T3711 X HEAT SINK S0A315 34E612 XXX AL e LED LENS POWER 3343709 1 POWER SW 77 287 12 B FRONT 545849200 1A SPRING 19508 5 gt POWER BUTTON C 33A3734 X LOCATION 154V C551 LOW RADIATION 220V
5. 1 ATTENUATOR ATTENUATOR A3 3 L e 4 2 1 GREEN OSD IN BLUE OSD IN RED OUT RED DRIVE VCC2 GREEN OUT GREEN DRIVE BLUE OUT BLUE DRIVE SANDCASTLE SYNC 11 PCB LAYOUT 11 1 MAIN PCB LAYOUT 11 2 CRT BOARD LAYOUT a o AH 8649 gt 2 SA 25 N EEE 22 Uu D E j 18 1 m 4 31318 O e uk V Dee is
6. 61A 172 61A 175L 61A 175L 61A 172 61A 172 61 172 61A 172 61A 172 61A 172 61A 602 61A 602 61A 602 102 222 101 101 102 101 304 472 182 183 332 623 223 101 472 472 222 101 203 221 220 100 154 23 222 392 471 681 562 823 202 473 473 202 472 563 472 243 153 563 563 242 243 392 123 562 159 181 564 124 563 232 102 243 101 472 103 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T SPECIFICATION 1K OHM 5 1 6W 2 2K OHM 5 1 4W 100 OHM 5 1 6W 100 OHM 5 1 6W 1K OHM 5 1 6W 100 OHM 5 1 6W 30016 OHM 5 1 4W 4 7K OHM 1 1 6W 1 8K OHM 5 1 6W 18K OHM 5 1 6W 3 3K OHM 5 1 4W 62K OHM 5 1 4W 22K OHM 1 1 6W 100 OHM 5 1 6W 4 7K OHM 1 1 6W 4 7K OHM 5 1 4W 2 2K OHM 5 1 4W 100 OHM 5 1 6W 20K OHM 5 1 6W 220 OHM 5 1 4W 22 OHM 5 1 2W 10 OHM 5 1 2W 150K OHM 5 1 4W TIN COATED 2 2K OHM 5 1 6W 3 916 OHM 5 1 6W 470 OHM 5 1 4W 680OHM 5 1 6W 5 6KOHM 5 1 6W 82K OHM 5 1 2W 2K OHM 5 1 4W 47K OHM 5 1 4W 47K OHM 5 1 4W 2K OHM 5 1 4W 4 7K OHM 5 1 4W 5616 OHM 5
7. CMC556DQJ2 lA 503 1 5 38 8 9A 84 23 HA 11 1 112 500 HA 115 1 6015 1 19A 403 5 33A 3598 1 33A 3710 1 33A 3735 1 34 643 2 40 152 502 40 153 64 40A 154 14 40 154 501 40A 581 26 40A 581 26 40A 2008 622 MA 68 508 54 622 311 510 44A 6533 622 41A 6543 1 41A 6543 2 45 76 28 45A 77 3 45A 77 500 45A 77 501 45A 88 de 303 9 85A 542 1 89 498 8 95A 91 205 95A 205R 30 95A 8013 2 1035 10 340 16 705A 556Q F34 750A 1697 1G 750A 5910 5 PARTS LIST OF CABINET 47 AT 668 704 2A 2A RN RN 24 132 128 128 015 SPECIFICATION CHAS ASS Y SCREW RUBBER WASHER TERMINAL LUG WIRE MOUNTS WIRE MOUNT FBT CLIP CRT SUPPORT BUMPER STEEL SPRING ABS PLASTIC FUNC LED LENS KEY PAD FRONT PANEL REVISION SERIAL CRT WARNING CABINET LABEL HI POT GROUNDING LABEL SLZ LABEL SHIPPING LABEL ID LABEL CARD MANUAL PU FOAM CARTON EPS FOAM EPS FOAM PE BAG TRANSPARENT SHEET BARCODE RIBBON BARCODE RIBBON PE BAG DISKETTES ECOLOGY CRPC SHIELD POWER CORD UL CSA WIRE 15 WIRE WIRE SCREW SCREW CAB T ASS Y DEG COIL UL CSA 15 CHUNGHWA CRT LOCATION GND2 LED1 SW101 SW102 SW103 ASI B B C414 C419 C422 C427 C428 C431 C432 C440 C606 C713 C714 C900 C901 C902 C907 C915 C931 C936 PARTS LIST OF CHAS 154V C551 SPECIFICATION CM
8. 1 6W 4 7K OHM 5 1 4W 24K OHM 5 1 6W 15K OHM 5 1 6W 56K OHM 5 1 6W 56K OHM 1 1 6W 2 4K OHM 1 1 6W 24K OHM 5 1 4W 3 9K OHM 5 1 4W 12K OHM 5 1 4W 5 6K OHM 5 1 4W 1 5 OHM 5 1 2W 180 OHM 5 1 2W 56016 OHM 5 1 4W 120K OHM 5 1 4W 56K OHM 5 1 4W 2 2K OHM 5 1 4W IK OHM 5 1 4W 24K OHM 5 1 4W 100 OHM 5 1 6W 4 7K OHM 5 1 6W 10K OHM 5 1 6W R709 R710 R711 R712 61A 61A 61A 61A 602 602 602 602 103 103 103 273 52T 52T 52T 52T 10K OHM 5 1 6W 10K OHM 5 1 6W 10K OHM 5 1 6W 27K OHM 5 1 6W LOCATION R713 R715 R720 R721 R722 R724 R725 R726 R727 R728 R729 R730 EN 154V C551 61 602 61A 602 61 172 61A 175L 61A 602 61A 172 61 204 61A 602 61A 175L 61 172 61A 602 95A 90 61A 204 61A 175L 61A 175L 61A 175L 61A 172 61 172 61A 172 61 172 61A 200 61A 172 61A 172 61A 172 61A 172 61A 172 61A 172 61A 172 61A 171 61A 172 61A 172 61 172 61A 172 61A 172 61A 172 61A 172 61A 172 61A 172 61A 172 61A 172 61A 175L 61A 172 61A 172 61A 172 61A 172 61 172 61A 175L 61 172 61A 172 61A 602 61A 602 93A 90 93A 39 93A 39 95A 90 562 103 104 102 332 105 154 102 823 561 470 23 124 474 474 474 273 243 183 202 109 227 361 102 334 151 220 203 393 152 680 10
9. J008 95A 90 23 TIN COATED J009 95A 90 23 TIN COATED J013 95A 90 23 TIN COATED J014 95A 90 23 TIN COATED J015 95A 90 23 TIN COATED J016 95A 90 23 TIN COATED J017 95A 90 23 TIN COATED J019 95A 90 23 TIN COATED J020 95A 90 23 TIN COATED J021 95A 90 23 TIN COATED J022 95A 90 23 TIN COATED J023 95A 90 23 TIN COATED J024 95A 90 23 TIN COATED J025 95A 90 23 TIN COATED J026 95A 90 23 TIN COATED J027 95A 90 23 TIN COATED J028 95A 90 23 TIN COATED J029 95A 90 23 TIN COATED J030 95A 90 23 TIN COATED J032 95A 90 23 TIN COATED J033 95A 90 23 TIN COATED J034 95A 90 23 TIN COATED J036 95A 90 23 TIN COATED J037 95A 90 23 TIN COATED J038 95A 90 23 TIN COATED J039 95A 90 23 TIN COATED J040 95A 90 23 TIN COATED J041 J042 J043 J044 J045 J046 95A 95A 95A 95A 95A 95A 90 90 90 90 23 23 23 23 23 23 TIN COATED TIN COATED TIN COATED TIN COATED TIN COATED TIN COATED LOCATION 154V C551 SPECIFICATION J049 95A 90 23 TIN COATED J050 95A 90 23 TIN COATED J051 95A 90 23 TIN COATED J052 95A 90 23 TIN COATED J053 95A 90 23 TIN COATED J054 95A 90 23 TIN COATED J057 95A 90 23 TIN COATED J058 95A 90 23 TIN COATED J061 95A 90 23 TIN COATED J063 95A 90 23 TIN COATED J064 95A 90 23 TIN COATED J065 95A 90 23 TIN COATED J066 95A 90 23 TIN COATED J067 95A 90 23 TIN COATED J068 95A 90 23 TIN COATED J069 95A 90 23 TIN COATED J070 95A 90 23 TIN COATED J071 95A 90 23 TIN COATED J
10. 4W 270 OHM 5 3W 56 OHM 5 3W 56 OHM 5 3W 150 OHM 5 3W 0 91 OHM 5 1W SPECIFICATION 15 CHUNGHWA 28 CRT 0 0047uF 5 2000V 0 27uF 5 400V FRD 1 5A 500V FR155 3P PLUG 360K OHM 5 1 4W 270 OHM 5 3W 56 OHM 5 3W 56 OHM 5 3W 150 OHM 5 3W 0 91 OHM 5 1W SPECIFICATION 15 CHUNGHWA CRT 0 0047uF 5 2000V 0 27uF 5 400V FRD 1 5A 500V FR155 3P PLUG 360K OHM 5 1 4W 270 OHM 5 3W 56 OHM 5 3W 56 OHM 5 3W 150 OHM 5 3W 0 91 OHM 5 1W SPECIFICATION 15 CHUNGHWA CRT 0 0043uF 5 2000V 0 27uF 5 400V FRD 1 5A 500V FR155 3P PLUG 360K OHM 5 1 4W 270 OHM 5 3W 56 OHM 5 3W 56 OHM 5 3W 150 OHM 5 3W 0 91 OHM 5 1W LOCATION PARTS No 750A C418 63A C425 63A C430 93A P404 33A R409 61A R456 61A R457 61A R458 61A R461 61A R607 61A 5910 210J 210J 60 8009 172 153M 153M 153M 153M 208 3PS 472 334 21 204 271 560 560 151 918 8FC 3CC 52T 52T 59 59 59 59 52T SPECIFICATION CHUNGHWA CRT 0 0047uF 5 2000V 0 33uF 5 400V FRD 1 5A 500V FR155 3P PLUG 200K OHM 5 1 4W 270 OHM 5 3W 56 OHM 5 3W 56 OHM 5 3W 150 OHM 5 3W 0 91 OHM 5 1W
11. 5 1 4W 822 26T 8 2K OHM 4 596 1 6W 222 26T 2 2K OHM 5 1 6W 23 TIN COATED 471 52T 470 OHM 4 596 1 2W 519 52T TZX8V2B PARTS LIST OF IC802 ASS Y SPECIFICATION 2 HEAT SINK 8 128 SCREW 3 LM2438T 109 5T 178 109 5T 178 109 5T 178 PARTS LIST OF 0911 ASS Y SPECIFICATION 501 NYLON WASHER 1 SILICONE RUBBER 1 HEAT SINK 8 128 SCREW 504 MOS FET IRF634A PARTS LIST OF 1C601 ASS Y SPECIFICATION 501 NYLON WASHER 1 SILICONE RUBBER 501 HEAT SINK 10 128 SCREW 1 TDA9302H PARTS LIST OF 1C904 ASS Y SPECIFICATION 1 HEAT SINK 6 128 SCREW 12 ST 3 PIN 12V REG L7812CV LOCATION D408 0403 0406 LOCATION CN901 LOCATION 0901 LOCATION PARTS LIST OF 0403 0406 D408 ASS Y PARTS No SA 42 32 3028 90 354 MIA 1 30 MIA 1 30 93A 220 57A 689 57A 415 PARTS No 95A 2055 29 87 501 PARTS No SA 42 12A 372 90A 339 MIA 1730 57A 667 PARTS No 12A 381 19A 506 33A 3709 3734 34A 611 34A 62 34A 624 45A 76 SPECIFICATION 501 NYLON WASHER 8 MICA 509 HEAT SINK 8 128 SCREW 10 128 SCREW 12 FMP 2FUR 1500 600V SA 6 2SC5297 1 TIP122 PARTS LIST OF AC LINET ASS Y SPECIFICATION 354 0023 WIRE ASS Y 6 190 H S TUBING 5 RECEPTACLES 0714 PARTS LIST OF 0901 ASS Y SPECIFICATION 501 NYLON WASHER 1 SILICONE RUBBER 2 A HEAT SINK 10 128 SCREW 7 IRFBC40 I R MOSFET PARTS LIST OF CAB T ASS Y SPECIFICATION 500 RUBBER FOOT 3 SPRING 1 POWER LED LEN
12. 52T 100 OHM 5 1 6W R135 61A 602 152 52T 1 5K OHM 5 1 6W R136 61A 602 222 52T 2 2K OHM 5 1 6W R140 61A 602 472 52T 4 7K OHM 5 1 6W R143 61A 602 101 52T 100 OHM 5 1 6W R149 61A 602 152 52T 1 5K OHM 5 1 6W R156 61A 602 103 52T 10K OHM 5 1 6W R157 61A 602 103 52T 10K OHM 5 1 6W R160 61 602 221 52T 220 OHM 5 1 6W R161 61A 602 222 52T 2 2K OHM 5 1 6W R162 61A 602 102 52T 1K OHM 5 1 6W R165 R166 R170 R172 R180 61A 61A 95A 61A 61A 602 602 90 602 602 222 102 23 101 362 52T 52T 52T 52T 2 2K OHM 5 1 6W 1K OHM 5 1 6W TIN COATED 100 OHM 5 1 6W 3 6K OHM 5 1 6W LOCATION R185 R402 R403 R404 R405 R406 R408 R410 R411 R412 R414 R415 R416 R417 R418 R420 R421 R422 R423 R425 R427 R429 R430 R431 R433 R434 R435 R436 R440 R441 R442 R443 R447 R448 R449 R450 R460 R462 R470 R471 R490 R497 R601 R602 R603 R604 R605 R606 R609 R610 R611 R612 R613 R614 R623 R707 R708 154V C551 61A 602 61 172 61A 602 61A 602 61 602 61A 602 61 172 61 210 61A 602 61A 602 61 172 61 172 61 210 61A 602 61 210 61 172 61A 172 61 602 61A 602 61A 172 61A 175L 61 204 61 172 95A 90 61A 602 61A 602 61 172 61A 602 61A 602 61A 175L 61A 172 61A 172 61A 172 61 172 61A 172 61A 602 61A 172 61A 602 61A 602 61A 602 61A 210 61A 210 61A 172 61A 172 61A 172
13. 67A 30 151 14L 150uF 20 400V 65 2M 103 3B 0 01uF 20 2KV Z5U 67 305 101 111 100uF 20 200V 67A 305 102 4 1000uF 20 25V 67A 67A 67A 65A 65A 84A 33A 305 309 305 305M 305M 41 3074 102 3 102 4 470 11J 472 2B2 472 2B2 2 1 1000uF 20 16V 1000uF 20 25V 47uF 20 200V 4700PF 20 400V AC 4700PF 20 400V AC FUSE 2P PLUG LOCATION D901 D902 D903 D904 D919 D922 D923 H802 H803 HS1 IC101 1C102 1C104 93A 93A 93A 93A 93A 93A 93A 95A 95A 95A 56A 56A 56A 56A 56A 95A 73A 73A 73A 73A 73A 73A 81A 81A 81A 81A 81A 81A 81A 81A 61A 33A 33A 61A 57A 57A 57A 57A 57A 57A 61A 61A 61A 61A 61A 61A 61A 61A 61A 61A 61A 95A TTA 79 52 52 52 52 60 3020 3020 8013 8013 205 1125 1133 7ALS 167 55P 521 55P 521 55P 521 55P 521 503 6 521 8 9 7 6 507 30 042 33 8 14 H 1 12 69 022 48D L 70 68 L 2 LA 4 90 L 3 2B 3 2B 3 2B 3 2B 3 2B 3 2B 3 2B 3 2B 8 4 3 3 8 T 14 14 1 2 3 910 64 220 59 478 59 100 64 101 64 474 521 474 521 333 59 338 GB1 228 64 471 64 30 052 12 HJ 71A DIODE IN5408 PEC DIODE IN5408 PEC DIODE IN5408 PEC DIODE IN5408 PEC DIODE GUF30G STPR320 RG 4Z LF L1 HARNESS 9P 9P WIRE HARNESS WIRE NT6861B 08062 I AT24C04 10P 14 PIN IC 74LS14 TD
14. 93A 64 93A 64 95A 90 93A 64 93A 64 93A 1002 93A 64 93A 1002 93A 60 93A 60 93A 39 93A 64 93A 64 93A 60 93A 60 95A 90 93A 60 93A 60 93A 64 93A 64 93A 64 93A 60 93A 52 93A 64 93A 64 220 223 561 224 229 479 101 229 332 102 104 104 331 332 100 471 471 104 222 104 104 104 479 221 221 103 103 472 11F 11F 11F 111 111 111 23 11F 11F 1P 11F 1P 21P 21P 515 19G 11F 38 26 23 21P 21P 11F 11F 11F 26 47P 111 11F 2 5 1 7 4T 71 1T 1 5T 7T 3T 3T OT 7T 2 5 5 1 1 1 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 SPECIFICATION 22uF 20 50V 0 022uF 5 250V 560PF 10 Y5P IKV 0 22uF 4 596 100V 2 2uF 50V 4 7uF 20 50V 100uF 20 25V 22uF 20 50V 3300PF 4 596 100V 1000PF 5 100V 0 1101 4 596 100V 0 luF 5 100V 330PF 10 Y5P 1 3300PF 4 596 100V 10uF 20 50V 470uF 20 16V 470uF 20 16V 4 596 63V 2200PF 5 100V 0 1uF 80 20 Y5V 50V 0 101 80 20 Y5V 50V 0 1101 4 596 250V MPE 4 7uF 20 50V 220PF 10 Y5P IKV 220PF 10 Y5P IKV 0 01UF 100V 0 01uF 4 596 100V 4700PF 5 100V DIODE IN4148 DIODE
15. C Recheck item A amp B to make sure both of them in spec D Full white luminance a Set mode 5 800 600 Fh 46 8K full white pattern b Image size H 260 4mm V 195 4mm c Brightness set to raster just cut off and set the contrast to max d Adjust VR701 to make sure white luminance at 28 FL 4 Focus adjustment A Set mode 2 640x480 Fh 31 5KHz with character full page B Adjust external brightness to raster cutoff and external contrast to max then adjust focus VR to make the display be focused very well 5 Purity adjustment A Be sure that the display is not being exposed to any external magnetic fields B Ensure that the spacing between the Purity Convergence Magnet PCM assembly and the CRT stem is 29 See below diagram C Produce a complete red pattern on the display Adjust the purity magnet rings on the PCM assembly to obtain a complete field of the color red This is done by moving the two tabs in such a manner that they advance in an opposite direction but at the same time to obtain the same angle between the two tabs which should be approximately 180 D Check the complete blue and complete green patterns to observe their respective color purity make minor adjustments if needed RELATIVE PLACEMENT OF TYPICAL COMPONENTS SS WI KR N N Purity Magnets 1 N 6 pole Convergence Magnets A P 4
16. 0 473 303 127 473 102 333 473 220 201 302 132 244 753 183 154 221 223 393 103 23 13 54 23 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T SPECIFICATION 5 6K OHM 5 1 6W 1K OHM 5 1 6W 100K OHM 5 1 4W IK OHM 5 1 2W 3 3K OHM 5 1 6W IMEG OHM 5 1 4W 150K OHM 1 2W 1K OHM 5 1 6W 82K OHM 5 1 2W 560 OHM 5 1 4W 47 OHM 5 1 6W TIN COATED 120K OHM 5 1 2W 470K OHM 5 1 2W 470K OHM 5 1 2W 470K OHM 5 1 2W 27K OHM 5 1 4W 24K OHM 5 1 4W 18K OHM 5 1 4W 2K OHM 5 1 4W 1 OHM 1 1 4W 2 2K OHM 5 1 4W 360 OHM 5 1 4W IK OHM 5 1 4W 33016 OHM 5 1 4W 150 OHM 5 1 4W 22 OHM 5 1 4W 20K OHM 5 1 4W 39K OHM 2 1 4W 1 5K OHM 5 1 4W 68 OHM 5 1 4W 10 OHM 5 1 4W 47K OHM 5 1 4W 30K OHM 5 1 4W 1 2K OHM 5 1 4W 47K OHM 5 1 4W IK OHM 5 1 4W 33K OHM 5 1 4W 47K OHM 5 1 4W 22 OHM 5 1 4W 200 OHM 5 1 2W 3K OHM 5 1 4W 1 3K OHM 5 1 4W 240K OHM 5 1 4W 75K OHM 5 1 4W 18K OHM 5 1 4W 150K OHM 5 1 2W 220 OHM 5 1 4W 22K OHM 5 1 4W 39K OHM 5 1 6W 10K OHM 5 1 6W TIN COATED ZENER 5 6 2 5 HZ6B1 12 7V 5 1 2W TIN COATED ZD420 ZD701 ZD902 7
17. 072 95A 90 23 TIN COATED J073 95A 90 23 TIN COATED J074 95A 90 23 TIN COATED J075 95A 90 23 TIN COATED J077 95A 90 23 TIN COATED J078 95A 90 23 TIN COATED J079 95A 90 23 TIN COATED J080 95A 90 23 TIN COATED J081 95A 90 23 TIN COATED J082 95A 90 23 TIN COATED J083 95A 90 23 TIN COATED J084 95A 90 23 TIN COATED J085 95A 90 23 TIN COATED J086 95A 90 23 TIN COATED J087 95A 90 23 TIN COATED J088 95A 90 23 TIN COATED J089 95A 90 23 TIN COATED J090 95A 90 23 TIN COATED J091 95A 90 23 TIN COATED J092 95A 90 23 TIN COATED J093 95A 90 23 TIN COATED J094 95A 90 23 TIN COATED J095 95A 90 23 TIN COATED J096 61A 175L 159 52T 1 5 OHM 5 1 2W J097 95A 90 23 TIN COATED J098 95A 90 23 TIN COATED J099 95A 90 23 TIN COATED J100 95A 90 23 TIN COATED J101 95A 90 23 TIN COATED J103 95A 90 23 TIN COATED J104 95A 90 23 TIN COATED J107 95A 90 23 TIN COATED J108 95A 90 23 TIN COATED J110 95A 90 23 TIN COATED J111 95A 90 23 TIN COATED J113 95A 90 23 TIN COATED J116 95A 90 23 TIN COATED J117 95A 90 23 TIN COATED J118 95A 90 23 TIN COATED J120 J121 J123 J125 95A 95A 95A 95A 90 90 90 23 23 23 23 TIN COATED TIN COATED TIN COATED TIN COATED LOCATION 154V C551 SPECIFICATION J130 95A 90 23 TIN COATED J132 95A 90 23 TIN COATED J133 95A 90 23 TIN COATED J134 95A 90 23 TIN COATED J914 95A 90 23 TIN COATED L101 73A 53 339 101 3 3UH 10 L402 95A 90 23 TIN COATED L403
18. 0903 70702 93A 93A 93A 93A 93A 39 39 39 522 518 55 124 515 52T 52T 52T 52T 52T TZX20B TZX8V2A 0 5W ZD BZX55C30 ZD 18 2 TZX3 VOC PARTS LIST OF CRT PC BOARD LOCATION CRPC556DQJ2 SPECIFICATION 40A 58l 26 605 LABEL 87A 3503 501 CRT SOCKET 705A 7 R56 01 IC802 55 C812 67 305 102 3 1000UF 20 16V C835 65A 2Z 103 4B 0 01UF 80 20 2K 25 C837 67 305 470 10 47 101 7 1C801 56A 539 2 LM1279N P801 33 3278 11P PLUG P802 33 3278 9 9P PLUG P803 33 3278 6 6P PLUG R807 61A 208 390 64 39 OHM 5 1W R859 61 152M 101 64 100 OHM 5 2W VR801 75A 334 222 2 2K OHM 30 VR802 75A 334 222 2 2K OHM 30 VR803 75 334 303 30K OHM 30 VR804 75 334 303 30K OHM 30 VR805 75 334 303 30K OHM 30 PARTS LIST OF CRT AUTO INS PC BOARD LOCATION CRP556DOJAI SPECIFICATION 715A 694 1 CRT BOARD C801 67 305 100 TT 10uF 20 SOV C802 67 305 100 10uF 20 50V C803 67 305 100 10uF 20 50V C804 65A 450 104 TT 0 luF 80 20 Y5V 50V C805 65A 450 104 7T 0 luF 80 20 5 50V C806 65A 450 104 71 0 luF 80 20 Y5V 50V C807 67A 309 100 7T 10uF 20 50V C808 67A 309 470 31 4TuF 20 16V C809 65A 450 104 0 luF 80 20 5 50V C810 67 305 470 47uF 20 50V C811 65A 450 104 71 0 luF 80 20 Y5V 50V C813 65A 1 61 224 OT 0 22uF 4 596 Y5V 63V C814 65A 450 104 TT 0 luF 80 20 Y5V 50V C815 65A 450
19. 104 0 luF 80 20 Y5V 50V C816 65A 450 104 0 luF 80 20 Y5V 50V C818 67 305 470 TT 47uF 20 50V C819 65A 450 104 0 1uF 80 20 Y5P 50V C820 65A 1 61 104 1T 0 1101 5 100V C828 67A 70 478 9T 0 47uF 100V NP C829 67A 70 478 9T 0 47uF 100V NP C830 67A 70 478 9T 0 47uF 100V NP C831 64A 1761 104 IT 0 luF 5 100V C832 64A 1761 104 IT 0 luF 5 100V C833 64A 1761 104 IT 0 luF 5 100V C834 65A 1 61 104 1T 0 luF 5 100V C836 65A 1K 221 31 220PF 1KV 10 Y5P C838 65A 4 44 102 13T 1000PF 10 Z5P 50V C840 65A 517K 102 3T 1000PF 10 Z5U 500V C841 65A 517K 102 3T 1000PF 10 Z5U 500V C842 65A 517K 102 3T 1000PF 10 Z5U 500V C861 65A 517M 103 3T 10 20 Z5U 500V D801 93A 64 11F 52T DIODE IN4148 D802 D803 D804 D805 93A 93A 93A 93A 64 64 64 52T 52T 52T 52T DIODE IN4148 DIODE IN4148 DIODE IN4148 DIODE IN4148 LOCATION D806 D807 D808 D809 D810 D811 D812 D813 D814 3815 3816 3817 801 802 803 804 805 806 807 808 809 810 818 819 820 1801 L805 L806 L807 L808 0813 0814 R801 R802 R803 R804 R805 R806 R808 R809 R810 R811 R812 R813 R814 R815 R816 R817 R818 R819 R820 R821 R823 R824 R825 R826 R840 CRP556DQJAI 93A 64 93A 64 93A 64 93A 64 93A 64 93A 64 93A 64 93A 64 93A 64 93A 64 93A 64 93A
20. 2 Q920 10 IC BLOCK DIAGRAMS IC101 UM6862 WT6018 NA DEGAUSS 1 40 BRIGHT 2 39 CONTRAST 3 38 RESET 4 37 5 36 GND 6 85 oscol 7 34 osci 8 33 SCL 9 32 8 10 31 WRITE 11 30 STAND BY SUSPEND 12 29 H W DDC 13 28 SENSE 14 27 KEY SELECT 15 26 LED9 16 25 LED8 17 24 LED7 18 23 LED6 19 22 LED5 20 21 V I P H I P N C N C N C N C OFF MODE IC802 H OUT LM2438T V OUT gl EZ VBB Vin 2 Ne Vin 3 GND MUTE 4 voc 3 Vout 3 CS1 Vout 2 CS0 7 Vout 1 AUDIO LED DETECT SCL SDA LED2 UP KEY LED3 DOWN KEY LED4 SELECT IC102 4 WP 7 HV GENERATOR VO MEMORY CONTROL gt CONTROL EEPROMARRAY LOGIC LOGIC X
21. 44 65A 444 65A 450 67A 309 65A 442 65A 450 64A 1761 64A 176 65A 1K 65 4 44 65 4 44 67A 309 67A 309 604 441 67 305 67A 309 67A 309 67A 309 64A 176 64A 1761 67A 309 65A 450 95A 90 65A 444 64A 45G 64A 1761 64A 441 65A 450 64A 4J 65 450 95A 90 64A 1761 65 444 67A 309 64A 176 67A 309 65 4 44 65A 450 65A 450 64A 1761 3A 104 101 104 330 229 109 470 101 102 101 104 223 470 104 101 101 104 470 221 104 102 154 102 332 332 100 220 103 101 220 109 109 224 272 470 104 23 101 102 823 473 333 103 104 23 104 331 471 224 470 681 104 104 474 41 7T 71 71 131 51 131 51 71 31 71 5T 5T 3T 13T 7T IT OT 1 5T 5T 7T 7T 5T IT 7T 171 IT 5T 3T 7T ST 7T OT PARTS LIST OF MAIN PC BOARD SPECIFICATION BRASS MAIN BOARD 0 1uF 80 20 Y5V 50V 100uF 20 25V 0 101 80 20 Y5V 50V 3301 20 50V 2 2uF 20 50V 1 0uF 20 50V 4TPF 5 50V NPO 100 PF 10 50V Y5P 1000 PF 10 50V Z5P 100 PF 10 50 Y5P 0 101 80 20 Y5V 50V 22NF 100V 4TuF 20 16V 0 101 80 2096 Y5V 50V 100 PF 10 50V Z5P 100 PF 10 50V Z5P 0 1uF 80 2096 Y5V 50V 4TuF 20 16V 220PF 4 596 50V NPO 0 101 80 20 Y5V 50V 0 001UF 5 100V 0 15uF 4 596 63V 50V INF IKV Z5F 10 3300
22. 5 OHM 5 1 6W 75 OHM 5 1 6W 30 OHM 5 1 6W 30 OHM 5 1 6W 30 OHM 5 1 6W 10K OHM 5 1 6W 2 2MEG OHM 5 1 4W 100 OHM 5 1 6W 3 3K OHM 5 1 6W 1 3K OHM 5 1 6W 3 3K OHM 5 1 6W 3 3K OHM 5 1 6W 390 OHM 5 1 6W 390 OHM 5 1 6W 390 OHM 5 1 6W 10 OHM 5 1 6W 10 OHM 5 1 6W 10 OHM 5 1 6W TIN COATED 91 OHM 5 1 6W 91 OHM 5 1 6W 91 OHM 5 1 6W TIN COATED IK OHM 5 1 4W R841 R842 R846 R847 R848 R849 61A 61A 61A 61A 61A 61A 172 172 602 602 602 172 102 102 393 393 393 105 26T 26T 26T 26T 26T 26T IK OHM 5 1 4W IK OHM 5 1 4W 39K OHM 5 1 6W 39K OHM 5 1 6W 39K OHM 5 1 6W IMEG OHM 5 1 4W LOCATION R850 R851 R855 R856 R857 R858 R860 R861 R862 R863 R864 ZD801 LOCATION 1C802 L809 L810 L811 LOCATION 0911 LOCATION 1C601 LOCATION 1C904 CRP556DQJAI 61A 172 61A 172 61A 175L 61A 175L 61A 175L 95A 90 61A 172 61A 602 61A 602 95A 90 61A 175L 93A 39 PARTS No 90A 355 MIA 1 30 56A 551 73A 54 73A 54 73A 54 PARTS No 5A 42 12A 3 2 90A 315 MIA 1 30 57A 600 PARTS No 5A 42 12A 3 2 90A 348 MIA 1 30 56A 574 PARTS No 90A 315 MIA 1 30 56A 133 SPECIFICATION 105 26T IMEG OHM 5 1 4W 105 26T IMEG OHM 5 1 4W 560 52T 56 OHM 5 1 2W 560 52T 56 OHM 5 1 2W 560 52T 56 OHM 5 1 2W 23 TIN COATED 104 26T 100K OHM
23. 52 95A 90 95A 90 95A 90 95A 90 95A 90 95A 90 95A 90 95A 90 95A 90 95A 90 95A 90 95A 90 95A 90 73A 54 73A 54 73A 54 73A 54 73A 54 57A 419 57A 42 61A 602 61A 602 61A 602 61A 602 61A 602 61A 602 61A 602 61A 172 61A 602 61A 602 61A 602 61A 602 61A 602 61A 602 61A 602 61A 602 61A 602 61A 602 61A 602 95A 90 61A 602 61A 602 61A 602 95A 90 61A 172 19G 19G 19G 19G 19G 19G 19G 19G 19G IT 23 23 23 23 23 23 23 23 23 23 23 23 23 479 478 478 478 479 SG 1 750 750 750 300 300 300 103 225 101 332 132 332 332 391 391 391 100 100 100 23 910 910 910 23 102 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 52T 5T 10T 10T 10T ST 26T 26T 26T 26T 26T 26T 26T 26T 26T 26T 26T 26T 26T 26T 26T 26T 26T 26T 26T 26T 26T 26T 26T SPECIFICATION DIODE IN4148 DIODE IN4148 FAST RECOVERY DIODE FAST RECOVERY DIODE FAST RECOVERY DIODE FAST RECOVERY DIODE FAST RECOVERY DIODE FAST RECOVERY DIODE FAST RECOVERY DIODE FAST RECOVERY DIODE FAST RECOVERY DIODE 1A 600V 1N4005 TIN COATED TIN COATED TIN COATED TIN COATED TIN COATED TIN COATED TIN COATED TIN COATED TIN COATED TIN COATED TIN COATED TIN COATED TIN COATED 4 7UH 0 47UH 0 47UH 0 47UH 4 7UH TR KSC945GC TR KSC1730 0 75 OHM 5 1 6W 7
24. 95A 90 23 TIN COATED L406 95A 90 2 TIN COATED L907 95A 90 23 TIN COATED Q101 57A 4 46 1 T 25 2 0401 57A 419 P T 25 945 0404 57A 420 SG T KSA733GC SAMSUNG 0405 57A 420 SG 1 KSA733GC SAMSUNG 0407 57A 419 SG T KSC945GC 0408 57A 419 P T 2SC945P Q601 57A 419 Y T TR 2SC1815Y TOSHIBA Q703 57A 419 P T 2SC945P Q704 57A 420 SG T KSA733GC SAMSUNG 0707 57A 419 Y T TR 25C1815Y TOSHIBA Q904 57A 5947 501 T TR 2N6517 Q908 57A 419 P T 2SC945P Q910 57A 419 P T 2SC945P Q912 57A 446 1 T 25 2 0920 57A 721 2 25 673 R100 61A 602 472 52T 4 7K OHM 5 1 6W R101 61A 602 102 52T 1K OHM 5 1 6W R102 61A 602 102 52T 1K OHM 5 1 6W R103 61A 602 102 52T 1K OHM 5 1 6W R104 61A 602 102 52T 1K OHM 5 1 6W R105 61A 602 102 52T 1K OHM 5 1 6W R106 61A 602 102 52T 1K OHM 5 1 6W R107 61A 602 102 52T 1K OHM 5 1 6W R108 61A 602 512 52T 5 1K OHM 5 1 6W R109 61A 602 512 52T 5 1K OHM 5 1 6W R110 61A 602 221 52T 220 OHM 5 1 6W R111 61A 602 221 52T 220 OHM 5 1 6W R112 61A 602 622 52T 6 2K OHM 5 1 6W R113 61A 602 103 52T 10K OHM 5 1 6W R114 61A 602 102 52T 1K OHM 5 1 6W R116 61A 602 472 52T 4 7K OHM 5 1 6W R117 61A 602 101 52T 100 OHM 5 1 6W R118 61A 602 103 52T 10K OHM 5 1 6W R119 61A 602 103 52T 10K OHM 5 1 6W R122 61 172 221 52T 220 OHM 5 1 4W R126 61 172 202 52T 2K OHM 5 1 4W R132 61A 602 101
25. A9111 UC3842AM WIRE LINEARITY COIL 1 5MH 5 0 3A 180UH 10 15MH LINE FILTER 200UH 5 CHOKE COIL LED GREEN BL B2441J LED GREEN BL B2441J LED GREEN BL B2441J LED GREEN BL B2441J LED GREEN BL B2441J LED GREEN BL B2441J LED GREEN BL B2441J LED GREEN BL B2441J NTCR 15 OHM 4 P PLUG 3 P PLUG 220VAC 14 OHM PTCR 2N7000 GENERAL CEPF630 CEPF630 POWER AMP 2SB649A HITACH PNP TR BD140 HSB772P HSB772E 91 OHM 5 2W 22 OHM 5 3W 0 47 OHM 5 3W 10 OHM 5 2W 100 OHM 5 2W 470K OHM 5 1 2W 470K OHM 5 1 2W 33K OHM 5 3W 0 33 OHM 10 2W 0 22 OHM 5 1W 470 OHM 5 2W WIRE PUSH PUSH SWITCH DRIVER X FMR T402 T901 TP901 TP902 VR701 VR702 VR901 VR902 X101 79 80 9 9 75 75 75A 75A 93A 355 356T 211 211 335 335M 335 335 22 4 ra 473 204 101 223 22 FBT X FMR PIN PIN 47K OHM 30 200K OHM METAL VR 100 OHM 30 22K OHM 30 8 0000 MHZ LOCATION C103 C104 C105 C106 C109 C110 C130 C160 C162 C163 C164 C403 C405 C406 C407 C408 C410 C411 C412 C413 C415 C417 C421 C423 C429 C433 C434 C435 C436 C437 C438 C439 C441 C442 C443 C444 C445 C446 C447 C448 C449 C460 C463 C476 C480 C601 C602 C603 C604 C605 C607 C608 C609 C610 154V C551 6A 31 715A 684 65A 450 67A 309 65A 450 67A 309 67A 60 67A 309 65A 442 65A 444 65A 444 65A 4 44 65A 450 64A 441 67A 309 65A 450 65A 4
26. BNORMAL HORIZONTAL DEFLECTION 6 6 ABNORMAL VERTICAL SCANNING 6 7 SIDE PIN CUSHION DISTORTION 222222 6 5 POOR FOCUS ns 6 9 POWER SUPPLY TROUBLE SHOOTING CHART MECHANICAL OF CABINET FRONT DIS ASSEMBLY PARTS LISTING t uuu tefie on BLOCK DIAGRAM DEFLECTION AND VIDEO BEOCK DDNGRANLOSNIPS dues pata IEBLOCKDIAGRAMS n htt EE RE UU VUL PEBLAYOUT da A ole a 11 1 MAIN PCB een ana een OSCR BOARD LAY OUT nee en SCHEMATIC DIAGRAM zas a laas uuu 1 SPECIFICATIONS FOR 154V C551 COLOR MONITOR CRT 38 1CM 15V 90 Deflection 22mm Neck 0 28mm Dot Pitch Non Glare Screen Viewable image Size 35 0CM 13 8 diagonal Display Color Unlimited Colors External Controls Power On Off UP Down key Function key Contrast Brightness H Size H center V Size V Center Pincushion Trapezoid Input Video Signal Mode 1 Mode 2 Mode 3 Mode 4 RGB Analog RGB Analog RGB Analog RGB Analog Horiz Sync TTL Level TTL Level TTL Level TTL Level Negative Negative Negative Ne
27. CATION 5 PROCESSOR SELECT Tbits PROCESSOR VSYNCIN 2 1 bit 1 A B CONTROLLER VSYNC HFLY L ntemal Reference lt 19 V lt 7bits HORIZONTAL MOIRE HMOIRE 3 GENERATOR 7 ac 7BITS ON OFF 4 CL GEOMETRY 9 TRACKING ad SDA 31 7 Amp 8 VAMP Keystone SCL 30 INTERFACE 7bits 7 bits 7 bits Ed 2X7 bits 027 E d VERTICAL A RESET gt 59 301 8 GENERATOR ii DSGILEATORE gt Keyst CORRECTION RAMP GENERATOR 6227 NA HRER13 lt lt Vref z 8 VERTICAL MOIRE CANCEL 7 BITS ON OFF Vref 1 VSYNC 20 18 23 Vcap Vagccap BREATH Vout HGND VGND BGND Vcc XRAY COMP B OUT REGIN Isense FOCUS HFOCUSCAP EWOUT RED OSD IN VCC RED VIDEO IN R CLAMP CAP GREEN VIDEO IN GROUND G CLAMP CAP BLUE VIDEO IN B CLAMP CAP VID CONTRAST IC801 LM1279N QW 20 9 CONTRAST 1208 DRIVE E A2 1 ATTENUATOR ATTENUATOR 8 CONTRAST 1208 DRIVE 3 7 Vref 1 ATTENUATOR ATTENUATOR 57 6 5 4 CONTRAST 1208 DRIVE ss A2
28. CHECK 1C401 PIN 4 7 NG RELATIVE CIRCUIT 79 gt 4 ABNORMAL HORIZONTAL LINEARITY CHECK 1401 0408 0410 427 amp DY IC101 PIN 29 CS1 6 6 ABNORMAL VERTICAL SCANNING 1 ABNORMAL VERTICAL SIZE READJUAT V SIZE FUNCTION VALUE CHECK THE 1C601 ABOUT 11 8V PIN 6 CHECK D601 C606 RELATIVE CIRCUIT CHECK THE VOLTAGE OF IC101 RELATIVE CIRCUIT OK READJUAT V SIZE FUNCTION VALUE CHECK 1C401 PIN 20 21 22 23 RELATIVE CIRCUIT 2 VERTICAL CENTER CHECK VERT OSC CIRCUIT READJUAT V CENTER FUNCTION VALUE NG CHECK IC401 amp IC601 RELATIVE CKT 6 7 SIDE PIN CUSHION DISTORTION READJUST SIDEPIN FUNCTION VALUE CHI NG REI gt 6 8 POOR FOCUS READJUST FOCUS CONTROL CHI NG LE gt 6 9 POWER SUPPLY TROUBLE SHOOTING CHART BEFORE CHECK SW REG PLEASE REFER TO THE POWER SUPPLY BLOCK DIAGRAM POWER SUPPLY OUTPUT A VARIABLE OUTPUT 90V 160V DEPENDING UPON H SYNC FREQUENCY B CONSTANT OUTPUT 6 15V 12V 75V BEAD SET ABNORMAL VARIABLE OUTPUT CHECK AC LINE VOLT 120V OR 220V MAKE SURE THAT THE VARIABLE OUTPUT IS NOT SHORTED CHECK 1C401 H OSC SEE ITEM 1 CHECK LINE CHECK 75V LINE RECTIFIED amp SMOOTHED VOLT CHECK D919 CHECK BRIDGE RECTIFIED CIRCUIT OK CHECK 0911 CHECK START CHECK F901 S W901 NG C K T NG D909 Q904 R922 Q911 FAILURE K CHEI ATS OK CHECK T901 O P or CHECK 75V 12V NG 15V 6 3V CIRCUIT CHECK 0901
29. DEC 128X8 PAGE LATCHES 5 6 A SDA SCL V YDEC vcc 8 gt vss 4 gt SENSE AMP CONTROL IC601 TDA9302H 2 gt FLYBACK GENERATOR ROT POWER AMPLITIER gt 5 7 ERA THERMAL PROTECTION 4 IC901 3842 7 a sv SET 36V HESET U V L O lt 5 NE ANA 4 c 1 2 Vref ERR ss c A IM2 gt J FB 2 gt ws C 2 PWM comp 1 777 LATCH gt pos 5 5 5 curt 4 OSCILLATOR VCC GND O P 401 TDA9111 PLLIF HPOSITION RO HFLY PLL2C HOUT 7 8 6 15 12 4 26 N dora PHASE PHASE H DUTY HOUT 5 SHIFTER 7 bits BUFFER H PHASE bits COMPARATOR H HVIN 1 LOCK UNLOCK SYNC INPUT SYNC IDENTIFI
30. ER SAVING CIRCUIT Q909 Q910 OK CHECK THE HIGE VOLTAGE OF CRT ABOUT 23 5 25 5KV CHECK FAILSAFE CKT Q402 Q403 NG RELATIVE CKT OK CHECK THE VOLTAGE OF CRT HEATER ABOUT 6 3V NG CHECK CRT S HEATER RELATIVE CIRCUIT Q907 Q908 CHECK SCREEN VOLTAGE ABOUT 400V TO 600V CHECK FBT D706 R723 C713 LESS THAN 300V OK BRIGHTNESS SET TO MAX THEN CHECK CRT G1 VOLTAGE NG CHECK BRIGHTNESS CIRCUIT Q703 Q704 Q705 RELATIVE CKT OK CHECK VOLTAGE OF THE CRT CATHODE ABOUT 60V TO 70V REFER ITEM 8 2 NG ABNORMAL DISPLAY 2 ABNORMAL VIDEO LEVEL ON SCREEN THE VOLTAGE OF IC801 PIN 2 ABOUT 8V HA 8V RELATIVE CIRCUIT CHECK THE SIGNAL INPUT OF R G B ABOUT 0 7Vpp CHECK SIGNAL CABLE OR INTERFACE CARD CHECK IC801 PIN 11 ABOUT 10Vpp CHECK THE RELATIVE CIRCUIT OF 0813 0814 OR CLAMP CHECK THE VIDEO OUTPUT OF IC801 PIN 13 15 18 ABOUT 3Vpp CHECK 1C801 0813 0814 OK R G B APPROACH STANDARD 3 ABNORMAL DDC PLUG amp PLAY CHECK IC101 PIN 5 VOLTAGE ABOUT 5V CHECK 1C102 GOOD OR FAIL CHECK SIGNAL CABLE 6 2 ABNORMAL DISPLAY NO SIGNAL ON SCREEN CHECK VIDEO IC VCC ABOUT 8V 1 NG CHECK THE 12V PIN OF P802 CONNECTOR OK CHECK THE OUTPUT VOLTAGE OF IC801 PIN 13 15 18 ABOUT 3Vpp NG CHECK THE RELATIVE CIRCUIT OF Q813 0814 amp IC801 OK CHECK THE B VOLTAGE OF VIDEO PCB ABOUT 75V NG CHECK THE 80V RELATIVE CIRCUIT OF SMPS MAIN PCB O O
31. Fujitsu SERVICE MANUAL COLOR MONITOR MCM1514V D5560 154V C551 4150 18 01 THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL WE CANNOT GUARANTEE THE ACCURACY OF THIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS LIABILITY FOR CHANGES ERRORS OR OMISSIONS PAGE 10 11 12 TABLE OF CONTENTS SPECIFICATIONS ta PRECAUTION AND NOTICES s stal aduta 2 1 SAFETY PRECAUTIONS eben an lebe h 22 PRODUCT SAFETY NOTICE ee dein 223 SERVICE NOTES dt 24 HIGH VOLTAGE WARNING ico ci n OPERATINGHNS ERUCTIONS Saad ADJUSTMENT 4 1 ADJUSTMENT CONDITIONS AND PRECAUTIONS 42 MAIN ADJUSTMENTS 4 3 ADIESTMENT METHOD CIRCUIT DESCRIPTION ini caras 3 1 2 2 DEFLECTION CIRCUIT socias 33 MIDEO CIRCUS E EEA 3 4 POWER SUPPLY tina Re 5 5 TRANSISTOR amp DIODE CIRCUIT TROUBLE SHOOTING CHAR T okie ce ioo ea 6 1 NO RASTER RELATIVE CIRCUIT PROBLEMS 622 lt ABNORMATL DISPLAY ta wu neu ss 6 3 NOBIS 1 6 4 OSC DEF HV CIRCUIT FAULT 6 5 A
32. IN4148 DIODE IN4148 DIODE IN4148 DIODE IN4148 DIODE IN4148 TIN COATED DIODE IN4148 DIODE IN4148 1N5817 DIODE IN4148 1N5817 PS156R PS156R TZX3VOC FAST RECOVERY DIODE DIODE IN4148 FR103 FR107 TIN COATED PS156R PS156R DIODE IN4148 DIODE IN4148 DIODE IN4148 FR107 1N4004 DIODE IN4148 DIODE IN4148 D701 D702 D704 D706 D710 93A 93A 93A 93A 95A 64 64 60 90 11F 11F 47 211 23 52T 52T 52T 52T DIODE IN4148 DIODE IN4148 IN4004 PS156R TIN COATED LOCATION 154V C551 SPECIFICATION D721 95A 90 23 TIN COATED D909 93A 52 IT 52T 1A 600V IN4005 D910 93A 60 21P 52T PS156R D911 93A 64 31T 52T S W DIODE BAV20 D912 93A 64 52T S W DIODE BAV20 D913 93A 64 52T DIODE IN4148 D914 93A 64 11F 52T DIODE IN4148 D925 93A 3020 6 52T STPR320 D926 93A 64 11F 52T DIODE IN4148 D927 93A 64 11F 52T DIODE IN4148 D928 93A 64 11F 52T DIODE IN4148 D929 93A 52 47P 52T 1N4004 D930 93A 1040 2 52T UF4004 D995 93A 64 11F 52T DIODE IN4148 FB401 71A 55 9 T SHIELD BEAD FB402 71A 55 7 5 BEAD FB403 71A 55 7 5 BEAD FB901 95A 90 23 TIN COATED FB902 95A 90 23 TIN COATED FB903 95A 90 23 TIN COATED FB904 71A 55 9 T SHIELD BEAD FB905 THA 55 19 T SHIELD BEAD FB907 71A 55 9 T SHIELD BEAD J001 95A 90 23 TIN COATED J003 95A 90 23 TIN COATED J005 95A 90 23 TIN COATED J006 95A 90 23 TIN COATED J007 95A 90 23 TIN COATED
33. ION CIRCUIT Hor sync and ver sync come from PC go into the CPU 1C101 The output goes to the Hor oscillation and Ver oscillation processor IC401 The IC401 treats sync signal and output the drive signal to horizontal and vertical output circuit IC401 also generates some functions for geometry use like horizontal center vertical size by PC bus control the geometry can be controlled IC601 is a vertical output IC to supply the vertical scan Q404 Q405 Q406 and L405 are the horizontal size controls Q403 is the horizontal deflection output supply the horizontal scan of the monitor Q707 and Q601 generate the Blanking signal output to G1 of CRT Q703 Q704 and Q705 are mute control brightness control and G1 DC voltage output VIDEO CIRCUIT IC801 is a video amplifier clamping signal input from pin No 11 to restore the DC voltage of video signal the signal output from IC801 pass through IC802 video package amplifier stage LM2438 then go to the cut off DC restore stage The video output signal is about 40Vpp POWER SUPPLY The design uses a discontinuous flyback topology operating in current mode resulting in a multiple output switcher with stack well Faster diodes are used The fast transient response of the control loop maintains picture integrity Very fast current limiting protects the switcher agains short circuits UC3842AM 1C901 is the current mode controller selected It offers feed forward compensation feedback error ampl
34. P556DQJAI MAIN PC BOARD ASS Y CRPC556DQJ2 CRT BOARD ASS Y lA 421 4 128 SCREW 3A 1 4 106 LOCK WASHER 121 500 PC SUPPORT 15A 5640 1 A AL GND LUG 15A 5643 501 REAR BRACKET 33A 3662 1 LED HOLDER 40A 58l 26 2A CHASSIS LABEL 50A 500 1 CABLE TIE 71A 55 2 FERRITE BEAD 71A 100 7 H FERRITE CORE 84A 33 10 FUSE CLIP 89A 173 50A 3SI SINGAL CABLE 96A 25 10 PLASTIC TUBE 96A 29 4 PLASTIC TUBEL 96A 29 6 190 H S TUBING 1040 8 128 SCREW 1140 8 128 SCREW MIA 1140 6 128 SCREW 1135 10 128 SCREW 705A 356 C57 03 0911 ASS Y 705A 356P C56 01 1C601 ASS Y 705A 356 C56 03 IC904 ASS Y 705A 356P C57 01 0403 0406 0408 ASS Y 705A 356P 87 01 AC LINET INALWAYS 901 705A 3560 C57 03 Q901 ASS Y 95A 205 30 082 WIRE 81A 10 2 SA POWER LED TIA 602 1 SWITCH TIA 602 1 HJ TACT SWITCH TIA 602 1 HJ TACT SWITCH 95 20358 30 052 WIRE 95 201 69 022 WIRE 67 305 470 9 47uF 20 100V 63A 210J 472 8FC 0 0047uF 5 2000V 63A 10017 225 59 2 2uF 5 100V 603 21017 394 3CC 0 39Uf 5 400V 603 21017 104 282 0 1101 5 250V 63A 21017 104 2BC 0 101 5 250V 67 215 470 11J 47uF 200V JAMICON 65A 2K 470 6B 4TPf 2KV 10 YSU 67A 309 102 3 1000uF 20 16V 67A 309 220 10 22uF 20 160V 67 305 331 3 330uF 20 16V 65A 305M 472 2B 4700PF 20 400V AC 250V AC 63A 107 224 55 0 22uF 20 250V 603 107 104 5 0 1uF 20 250V
35. PF 10 50V Y5P 3300 PF 1096 50V Y5P 10uF 20 50V 22uF 20 50V 0 01UF 100V 100uF 20 50V 22uF 20 50V 1 001 20 50V 1 0uF 20 50V 0 22UF 5 100V 2700PF 5 100V 4TuF 20 16V 0 101 80 20 Y5V 50V TIN COATED 100 PF 10 50V Z5P 0 001UF 100V 2 0 082uF 5 100V 0 047uF 5 100V 0 033uF 4 596 50V 0 01uF 20 100V 0 101 80 2096 Y5V 50V TIN COATED 0 1UF 4 596 100V 330 PF 10 50V Y5P 470uF 20 16V 0 22uF 5 63V 47uF 20 50V 680 PF 10 50V 7 0 101 80 20 Y5V 50V 0 101 80 20 Y5V 50V 0 47uF 5 50 63V C611 65A 450 104 7T 0 1 80 2096 Y5V 50V C612 67A 309 470 3T 4TuF 20 16V C613 64A 1 61 104 OT 0 1UF 5 63V C614 65A 444 101 5T 100 PF 10 50V Z5P C615 64A 441 103 0 01UF 100V C623 64A 1 61 104 OT 0 1101 5 63V LOCATION C705 C707 C709 C710 C712 C914 C916 C917 C918 C920 C921 C922 C923 C924 C925 C937 C938 C941 C943 C944 C945 C946 C947 C950 C955 C961 C965 C995 D101 D102 D103 D104 D125 D126 D127 D160 D402 D403 D404 D405 D406 D407 D409 D411 D412 D414 D415 D417 D418 D419 D420 D450 D460 D463 D601 D602 D603 154V C551 67A 309 64A 1761 65A 1K 64A 1761 67A 60 67 305 67 305 67 305 64 441 64A 441 64A 1761 64A 176 65A 1K 64 441 67A 309 67A 305 67A 305 64A 1 61 64 441 65A 450 65A 450 64A 176 67A 309 65A 1K 65A 1K 64 441 64A 441 64 441 93A 64 93A 64 93A 64 93A 64
36. S 1 POWER BUTTON 311 AL SWIVEL 311 AL BASE 312 2AT BACK COVER 31 RN PE BAG LOCATION PARTS No 750A 5910 C418 63A 21017 C425 63A 21017 C430 93A 60 P404 33 8009 R409 61 172 R456 61 153M R457 61 153M R458 61 153M R461 61 153M R607 61A 208 LOCATION PARTS No 750A 5910 C418 603 21017 C425 603 21017 C430 93A 60 P404 33 8009 R409 61 172 R456 61 153M R457 61 153M R458 61 153M R461 61 153M R607 61A 208 LOCATION PARTS No 750A 5910 C418 603 21017 C425 63A 21017 C430 93A 60 P404 33 8009 R409 61 172 R456 61 153M R457 61 153M R458 61 153M R461 61 153M R607 61A 208 LOCATION PARTS No 750A 5910 C418 603 21017 C425 63A 21017 C430 93A 60 P404 33 8009 R409 61 172 R456 61 153M R457 61 153M R458 61 153M R461 61 153M R607 61A 208 PARTS LIST OF CRT ALTERNATION TPS 432 334 21 204 271 560 560 151 918 3PS 472 274 21 364 271 560 560 151 918 3PS 472 274 21 364 271 560 560 151 918 5PS 432 274 21 364 271 560 560 151 918 8FC 3CC 52T 52T 59 59 59 59 52T TQ 8FC 3CC 52T 52T 59 59 59 59 52T 8FC 3CC 52T 52T 59 59 59 59 52T 8FC 3CC 52T 52T 59 59 59 59 52T SPECIFICATION 15 CHUNGHWA CRT 0 0043uF 5 2000V 0 33 uF 5 400V FRD 1 5A 500V FR155 3P PLUG 200K OHM 5 1
37. S O 80 OK CHECK THE VOLTAGE OF CRT CATHODE ABOUT 40Vpp CHECK THE 1C802 RS RELATIVE CIRCUIT OK CHECK THE VOLTAGE OF FBT SCREEN ABOUT 400 TO 600V LESS THAN 400V CHECK FBT RELATIVE CIRCUIT CHECK CRT RELATIVE EXCEED 600V CIRCUIT OR REFER ITEM 7 1 gt 6 3 NO BLANKING CHECK THE RELATIVE CIRCUIT OF BLANKING CHECK THE RELATIVE CIRCUIT OF Q601 amp Q707 ON MAIN PCB OK CHECK C836 R859 ON VIDEO PCB CHECK G1 RELATIVE CIRCUIT FBT PIN 5 ON MAIN PCB 6 4 HOR OSC DEF HV CIRCUIT FAULT NO RASTER DISCONNECT WITH SIGNAL CABLE CHECK 1C401 PIN 29 ABOUT 11 5VDC NG OK CHECK 1 401 PIN 26 WAVE FROM ABOUT 3Vpp NG CHECK 1C401 PIN 4 7 PIN 13 OK RELATIVE CIRCUIT CHECK THE COLLECTOR VOLTAGE OF Q402 ABOUT 30Vpp EP OON A BO NG CHECK 0402 T401 RELATIVE CIRCUIT OK CHECK THE COLLECTOR VOLTAGE OF 0403 ABOUT 1250 AT FH 31KHz EP ABO NG CHECK T401 T402 Q402 Q403 gt D408 C418 C419 H DY B ROM A CHECK IC401 PIN 29 RELATIVE CIRCUIT 6 5 ABNORMAL HORIZONTAL DEFLECTION 1 ABNORMAL HORIZONTAL SIZE READJUST H SIZE FUNCTION NG CHECK THE RELATIVE CIRCUIT ok OF 0404 0405 amp Q406 CHECK FBT VOLTAGE ABOUT CHECK THE RELATIVE CIRCUIT OF SMPS 90V AT FH 31KHz CHECK THE HV OF CRT ABOUT 24 5KV 2 ABNORMAL HORIZONTAL RASTER CENTER CHECK D418 D419 R457 R458 L404 3 ABNORMAL HORIZONTAL VIDEO CENTER SET H CENTER TO CENTER
38. cause a serious shock hazard Work on this model should only be performed by those who are thoroughly familiar with precautions necessary when working on high voltage eguipment Exercise care when servicing this chassis with power applied Many B plus and high voltage terminals are exposed which if carelessly contacted can cause serious shock or result in damage to the chassis Maintain interconnecting ground lead connections between chassis and picture tube dag when operating chassis Certain HV failures can increase X ray radiation Monitor should not be operated with HV levels exceeding the specified rating for the chassis type The maximum operating HV specified for the chassis used in this monitor is 24 5KV IKV with a line voltage of 120 240 VAC Higher voltage may also increase possibility of failure in HV supply It is important to maintain specified values of all components in the horizontal and high voltage circuits and anywhere else in the monitor that could cause a rise in high voltage or operating supply voltages No changes should be made to the original design of the monitor Components shown in the shaded areas on the schematic should be replaced with exact factory replacement parts The use of unauthorized substitute parts may create a shock fire or other hazard To determine the presence of high voltage use an accurate high impedance HV meter connected between second anode lead and CRT dag grounding device When servicing the H
39. gative Vert Sync TTL Level TTL Level TTL Level TTL Level Positive Negative Negative Negative Resolution Horizontal 720 H 640 H 640 H 640 H Vertical 400 V 480 V 480 V 480 V Fh KHz 31 5 31 5 37 5 43 3 Hz 70 60 75 85 Display Size Horizontal 260 mm Vertical 195 mm Scanning Frequencies Horizontal 30KHz 54KHz Vertical 50 Hz 120 Hz Factory Preset Timings 7 User Timings 12 Misconvergence Center 0 3 mm Max Corner 0 4 mm Max Video Bandwidth 65 MHz Power Source Switching Mode Power Supply AC 100 240V 50 60Hz Universal Type Operating Temperature 0 C to 40 C Ambient Humidity 1096 to 8596 Relative Non Condensing Weight 12 Kgs Net 14Kgs Gross Dimensions Monitor Carton 460 W x 425 H x 494 D mm Monitor 360 W x 364 H x 385 D mm External Connection 15 Pin D type Connector AC Power Cord Mode 5 RGB Analog TTL Level Positive TTL Level Positive 800 H 600 V 46 8 75 Mode 6 RGB Analog TTL Level Positive TTL Level Positive 800 H 600 V 53 7 85 Mode 7 RGB Analog TTL Level Negative TTL Level Negative 1024 H 768 V 48 4 60 2 1 2 3 2 PRECAUTIONS AND NOTICES SAFETY PRECAUTIONS 1 Observe all caution and safety related notes located inside the display cabinet 2 Operation of the display with the cover removed may cause a serious shock hazard from the display power supply Work on the display should not be attempted by a
40. ifier and low voltage lock out features The 3842 draws very little current is start up mode There is enough power from the line bleeder to slowly charge a capacitor to the 16 volts needed to start the switcher The FET starts a cycle by allowing current to flow into the primary of the power transformer As current ramps up with time the voltage across the current sense resistor R929 also ramps to a point where the 3842 determines that enough power is stored and turns off the FET As the voltage on the transformer reverses power is dumped from the main power transformer through diodes into the different supplies To keep RFI to a minimum and reduce transistor heating a turn off snubber network is placed across the FET Current from the secondary windings are rectified and filtered to freate the desired voltages Small high current capacitors quickly return charging current to the source Filter inductors remove high frequency noise 5 5 TRANSISTOR amp DIODE CIRCUIT LOCATION CIRCUIT FUNCTION DESCRIPTION 0410 0426 H Size Corection Mosfet 0426 15 only 0704 0705 Unit Brightness Control CKT 0601 0707 Develop Blanking Signal 0813 0814 A Amplifier to Corection and Support Clamp Signal 0907 0908 Use for Off Mode to Cut off 6 3V Supply Voltage 0904 Start CKT Amplifier Transistor 6 TROUBLE SHOOTING CHART 6 1 NO RASTER CRT RELATIVE CIRCUIT PROBLEMS 1 ABNORMAL POWER SUPPLY 90V 12V CHECK MAIN PC BOARD NG CHECK POW
41. igh Voltage System remove static charge from it by connecting a 10K ohm resistor in series with an insulated wire such as a test probe between picture tube dag and 2nd anode lead AC line cord disconnected from AC power outlet The picture tube used in this monitor employs integral implosion protection Replace with tube of the same type number for continue safety Do not lift picture tube by the neck Handle the picture tube only after discharging the high voltage completely 3 OPERATING INSTRUCTIONS This procedure gives you instructions for installing and using the 154V C551 Series display 1 Position the display on the desired operation and plug the power cord into a convenient AC outlet Three wire power cord must be shielded and is provided as a safety precaution as it connects the chassis and cabinet to the electrical conduit ground If the AC outlet in your location does not have provisions for the grounded type plug the installer should attach the proper adapter to ensure a safe ground potential 2 Connect the 15 pin color display shielded signal cable to your signal system device and lock both screws on the connector to ensure firm grounding The connector information is as follow 15 Pin Color Display Signal Cable PIN NO DESCRIPTION PIN NO DESCRIPTION NC GND SYNC GND SDA HORIZ SYNC VERT SYNC VCLK SCL 3 Apply power to the display by turning the power switch to the ON position and allow about th
42. irty seconds for display tube warm up The Power On indicator lights when the display is on 4 With proper signals feed to the display a pattern or data should appear on the screen adjust the brightness and contrast to the most pleasing display 5 This monitor has power saving function following the VESA DPMS Be sure to connect the signal cable to the PC 6 If your 154V C551 Series color display requires service it must be returned with the power cord 4 ADJUSTMENT 4 1 ADJUSTMENT CONDITIONS AND PRECAUTIONS 1 Approximately 30 minutes should be allowed for warm up before proceeding 2 Adjustments should be undertaken only on those necessary elements since most of them have been carefully preset at the factory 4 2 MAIN ADJUSTMENTS NO FUNCTION LOCATION DESIGNATION 1 15V ADJ PCB MAIN VR901 2 8 ADJ PCB MAIN VR902 3 R B DRIVE CRT BOARD VR801 802 4 R G B CUT OFF CRT BOARD VR803 804 805 5 ABL ADJ PCB MAIN VR701 6 UP KEY PCB MAIN SW101 7 DOWN KEY PCB MAIN SW102 8 FUNCTION KEY PCB MAIN SW103 4 3 ADJUSTMENT METHOD 1 15V amp HV protection voltage adjustment A Chroma 2000 Signal generator or PC equivalent set mode 1 VGA 640x480 pattern 1 0 B Connect a DC voltage meter between TP 901 and ground then adjust VR901 to be 15VDC C Connect a DC voltage meter between TP 902 and ground then adjust VR902 to be 88 VDC 2 Factory preset timings adjustment A When you turn on the monito
43. nyone who is not thoroughly familiar with precautions necessary when working on high voltage equipment 3 Do not install remove or handle the picture tube in any manner unless shatter proof goggles are worn People who are not so equipped should be kept away while handling picture tube Keep picture tube away from the body while handling 4 The picture tube is constructed to limit X RAY radiation to 0 5 mR HR For continued protection use the designated replacement tube only and adjust the voltages so that the designated maximum rating at the anode will not be exceeded 5 Before returning a serviced display to the customer a thorough safety test must be performed to verify that the display is safe to operate without danger or shock Always perform an AC leakage current check on the exposed metallic parts of the cabinet such as screw heads Test method for current leakage is described as follow a Plug the AC line cord directly into rated AC outlet do not use a line isolation transformer during this check b Use an AC voltmeter having 5000 ohms per volt or with more sensitivity in the following manner Connect a 1500 ohms 10 Watt resistor paralleled by a 0 15UF AC type capacitor between a known good earth ground water pipe conduit etc and the exposed metallic parts simultaneously Measure the AC voltage across the combination of 1500 ohms resistor and 0 15UF capacitor c Reverse the AC plug at the AC outlet and repeat AC voltage mea
44. pole Convergence Magnets Deflection Yoke 2 6 Convergence adjustment Produce a magenta crosshatch on the display Adjust the focus for the best overall focus on the display Also adjust the brightness to the desired condition Vertical red and blue lines are converged by varying the angle between the two tabs of the 4 pole magnets on the PCM assembly See above diagrams Horizontal red and blue lines are converged by varying the two tabs together keeping the angle between them constant Produce a white crosshatch pattern on the display Vertical green and magenta lines are converged by varying the angle between the two tabs of the 6 pole magnets Horizontal green and magenta lines are converged by varying the two tabs together keeping the angle between them constant wr 5 1 5 2 5 4 5 CIRCUIT DESCRIPTION MICRO CIRCUIT IC101 is CPU This CPU has the following functions 1 Detect timing mode by sensing the horizontal frequency vertical frequency the polarity of Hor Sync and Ver Sync 2 Key board scan control 3 Cscapacitor switch control 4 Power saving control When CPU detects timing it takes data from E7PROM 1C102 then output voltage to control the geometry of this monitor If key is pressed the CPU will do some job according to the key function For example if function key is pressed it can change different value to control screen geometry H SIZE V SIZE etc DEFLECT
45. r the function LEDS will light up simultaneously for a while then extinguish B Youcan press the up func two keys simultaneously the most left four LEDS will light up for a while then extinguish C Then you can select one of the eight functions including Contrast Brightness H SIZE H CENTER V SIZE V CENTER Pincushion and Trapezoid Simply press the function key and the LED will be light up corresponding to the one selected then press the up down keys to get the factory presetting parameter value to your satisfaction D Then you will press the up function two keys simultaneously again the most right four LEDS will light up for a while then extinguish the factory preset timings adjustment is finished 3 White balance and luminance adjustment A Bias low light adjustment Set mode 5 800x600 Fh 46 8KHz full white pattern b Adjust VR801 802 803 804 805 to make VR in the center position c Warm up more than 20 minute d Brightness set to max Contrast set to min full white pattern then adjust FBT screen VR to make Y 1 0FL 0 2FL e Brightness set to raster just cutoff contrast set to 4FL then adjust CRT board VR805 B Bias VR803 R Bias to make Y 4 0 2 FL x 281 10 311 10 B Gain High light adjustment a Set mode 5 800x600 Fh 46 8KHz full white pattern b Brightness set to raster just cutoff and set the cantrast to max c Adjust VR801 802 to make color code x 281 10 y 311 10
46. surements for each exposed metallic part d Voltage measured must not exceed 0 5 volts RMS This corresponds to 0 35 milliamp AC Any value exceeding this limit constitutes a potential shock hazard and must be corrected immediately PRODUCT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety visual inspections and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage wattage etc Before replacing any of these components read the parts list in this manual carefully The use of substitute replacement parts which do not have the same safety characteristics as specified in the parts list may create shock fire X RAY radiation or other hazards SERVICE NOTES 1 2 When replacing parts or circuit boards clamp the lead wires around terminals before soldering When replacing a high wattage resistor more than 1 2W of metal oxide film resistor in circuit board keep the resistor about 10mm 1 2 in away from circuit board Keep wires away from high voltage or high temperature components Keep wires in their original position so as to reduce interference When re assembling the monitor after service take care to ensure that the degauss coil is not trapped and does not have its insulation damaged by screws the metal card tray or shielding edges 2 4 HIGH VOLTAGE WARNING Operation of monitor outside of cabinet or with back removed may
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