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Micron Electronics CPD-2401, Service Manual, Page: 9 / 28

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Micron Electronics CPD-2401 Service Manual Download Page 9

— 9 —

CPD-2401

2-3.  A and D  BOARD REMOVAL

2-1.  CABINET REMOVAL

                                  

2-2.  SERVICE POSITION

SECTION  2

DISASSEMBLY

1  When the D-board is
     placed in service
     position, the Safety Earth
     Wire (green and yellow
     wire) is disconnected.
2   After service is
     completed and the
     D-board reinstalled, the
     Safety Earth Wire must
     be reattached to the
     chassis with the proper
     screw.  This must be
     confirmed before any
     subsequent procedures
     are attempted.

     Cabinet

Two screws

(BVTP 4 x 16)

Two claws

PUSH

PUSH

EMI Shield

     Cable stopper

     Five screws

(BVTP 3 x 12)

     D board

     One screw

(BVTT 4 x 8)

     Holder

A board

Chassis base

A board

D board

Summary of Contents for CPD-2401

Page 1: ... Max 1280 dots Vertical Max 1024 lines Approx 312 x 234 mm w h 121 4 x 91 4 inches Analog RGB 75 ohms typical 0 7 Vp p 5 Positive Separate HD VD TTL Polarity Free External Composite TTL Polarity Free 2K ohms impedance Power Consumption Deflection frequency AC input voltage current Dimensions Mass Maximum 120W Minimum 95W Horizontal 30 to 85 KHz Vertical 48 to 120 Hz 100 to 120 V 50 60 Hz 1 7A 220 ...

Page 2: ...een and Orange Alternate 4 Active off 3rd mode blank no no 3 W Approx 10 sec Orange 5 Power off 0 W Off Status Area of Failure LED Indication 1 Failure 1 HV or B Amber 0 5 second Off 0 5 second 2 Failure 2 Amber 1 5 second Off 0 5 second 3 Failure 3 ABL Amber 0 5 second Off 1 5 second 4 Aging Self Test Amber 0 5 second Off 0 5 second Green 0 5 second Off 0 5 second H Stop or V Stop TIMING SPECIFIC...

Page 3: ...al 9 2 4 Picture Tube Removal 10 3 SAFETY RELATED ADJUSTMENTS 11 4 ADJUSTMENTS 12 5 DIAGRAMS 5 1 Block Diagram 15 5 2 Circuit Boards Location 18 5 3 Schematic Diagrams and Printed Wiring Boards 19 1 A Board Schematic Diagram 19 2 D Board Schematic Diagram 23 5 4 Semiconductors 29 6 EXPLODED VIEWS 6 1 Chassis 30 6 2 Packing Materials 31 7 ELECTRICAL PARTS LIST 33 ...

Page 4: ...OU LORSQU UN MAUVAIS FONTIONNEMENT SUSPECTE 1 Check the area of your repair for unsoldered or poorly soldered connections Check the entire board surface for solder splashes and bridges 2 Check the interboard wiring to ensure that no wires are pinched or contact high wattage resistors 3 Check that all control knobs shields covers ground straps and mounting hardware have been replaced Be absolutely ...

Page 5: ...reen when the monitor is on and lights up green and orange when the monitor is in Power Saving mode 6 AC IN connector This connector provides AC power to the monitor 7 Video input connector HD15 page 5 This connector inputs RGB video signals and SYNC signals Computer to the video output to a power outlet Power cord Front Rear 5 Getting Started Customizing Your Monitor US This monitor can be adjust...

Page 6: ...appears after about 30 seconds To close the OSD press the MENU button again Adjusting the Settings Select To HORIZONTAL CENTERING shift the picture to the left or right VERTICAL CENTERING shift the picture up or down HORIZONTAL SIZING enlarge or reduce the picture width VERTICAL SIZING enlarge or reduce the picture height ZOOM enlarge or reduce the picture width and height proportionally Select To...

Page 7: ... moire cancellation To adjust the amount of moire cancellation first press the v V buttons to highlight MOIRE CANCEL Then press the 6 B b buttons to adjust the amount of moire cancellation until the moire effect is at a minimum Moire is a type of natural interference which produces soft wavy lines on your screen It may appear due to interference between the pattern of the picture on the screen and...

Page 8: ... pattern This message indicates that either no input signal is received or the video cable is not connected Symptom Check these items No picture If the 1 power indicator is not lit Check that the power cord is properly connected Check that the 1 power switch is in the on position If the CHECK SIGNAL CABLE message appears on the screen or if the 1 power indicator is either orange or alternating bet...

Page 9: ... is disconnected 2 After service is completed and the D board reinstalled the Safety Earth Wire must be reattached to the chassis with the proper screw This must be confirmed before any subsequent procedures are attempted Cabinet Two screws BVTP 4 x 16 Two claws PUSH PUSH EMI Shield Cable stopper Five screws BVTP 3 x 12 D board One screw BVTT 4 x 8 Holder A board Chassis base A board D board ...

Page 10: ...RT shield or carbon painted on the CRT REMOVAL PROCEDURES 1 Do not use sharp objects which may cause damage to the surface of the anode cap 2 Do not squeeze the rubber covering too hard to avoid damag ing the anode cap A material fitting called a shatter hook ter minal is built into the rubber 3 Do not force turn the foot of the rubber cover This may cause the shatter hook terminal to protrude and...

Page 11: ...t white cross hatch fH 80 kHz signal 2 CONT max BRT center 3 Input voltage 120 2 VAC Note Use NF power supply or make sure that distortion factor is 3 or less 4 Confirm that the voltage is within the voltage range shown below Standard voltage 180 3 0 VDC SECTION 3 SAFETY RELATED ADJUSTMENTS When replacing parts shown in the table below the following operational checks must be performed as a safety...

Page 12: ...on cable of the connector located on the D board on the monitor Run the service software and then follow the instructions Allow a 30 minute warm up period prior to making the following adjustments 12 If the corner landing is out of specification use a disk magnet for the landing correction 13 If disk magnets were used perform an auto degauss 14 Remove the wobbling coil and sensor 15 Fix the purity...

Page 13: ...t steps 5 8 10 Change CONV_OFF_NDX to 3 11 Adjust H TILT with TLH plate TLH movement 12 Adjust XCV with XCV VR XCV movement 13 AdjustYCH with YCH VR YCH movement R B 14 Adjust V TILT with TLVVR 4 5 Vertical and Horizontal Position and Size Specification fH 60kHz a 2 4 mm b 2 4 mm A B 234 312 4 6 Focus adjustment Adjust focus V and focus H for optimum focus Focus V Focus H FBT TLVmovement 15 If nec...

Page 14: ...on Convergence High Mode 1 Adjust the H STAT and V STAT with HSTAT HI and VSTAT HI Horizontal Convergence 9 11 19 17 1 10 12 20 18 2 5 6 CBH T L HI MBH T L HI APH L HI MBH B L HI CBH B L HI CBH T R LHI MBH T R HI APH R HI MBH B R HI CBH B R HI YBH T HI YBH B HI HSTAT HI Adjust each misconvergence point in sequence Vertical Convergence 13 15 23 21 3 14 16 24 22 4 7 8 CCV T L HI MCV T L HI XBV L HI ...

Page 15: ...wn in the table below be sure to perform the safety related adjustment Pitch 5 mm Rating electrical power 1 4 W CHIP 1 10 W Note The components identified by shading and mark are critical for safety Replace only with part number specified Note Les composants identifies per un trame et une marque sont critiques pour la securite Ne les remplacer que par une piece portant le numero specifie 5 3 SCHEM...

Page 16: ...04 B 6 TRANSISTOR D014 D 7 D305 B 7 Q001 D 7 D015 E 2 D306 B 6 Q006 C 2 D104 B 6 D311 E 3 A BOARD IC VOLTAGE LIST IC001 1 0 3 0 2 1 3 3 IC002 9 2 1 6 5 0 IC004 1 0 NC 7 10 4 6 4 6 pin volt 1 1 2 0 22 11 9 pin volt 1 0 11 8 7 4 1 pin volt 1 1 178 4 8 11 6 7 GND 1 4 0 1 2 0 2 23 GND 1 50 5 1 1 2 2 8 4 6 1 GND IC005 IC006 8 0 3 2 4 6 1 3 0 24 2 1 2 GND IC003 9 5 0 2 11 9 pin volt pin volt 9 0 3 3 3 0...

Page 17: ... 1 GND 1 0 8 2 5 0 0 pin volt 7 15 0 1 9 0 56 GND 2 GND 1 1 4 4 6 12 5 IN 9 5 8 GND 20 0 1 IC902 3 GND 1 2 5 8 7 12 3 OUT 5 0 9 14 8 2 1 5 0 pin volt 4 4 9 1 3 5 8 8 2 5 GND GND 1 0 NC 22 0 2 1 2 2 5 5 0 14 5 8 9 2 8 IC608 1 1 3 2 23 4 7 2 4 7 IC905 1 5 5 2 1 0 NC pin volt 1 2 GND 24 5 0 3 4 0 pin volt 1 6 11 3 1 1 GND IN 11 9 IC703 25 0 4 4 6 1 GND 1 7 11 9 1 2 NC OUT 5 0 pin volt 26 0 5 GND 2 GN...

Page 18: ...NO DESCRIPTION REMARK 19 4 365 808 01 SCREW 5 TAPPING 20 4 071 055 01 CABINET 21 4 067 757 11 COVER CONNECTOR 22 4 071 926 01 LABEL INFORMATION 23 4 071 056 01 COVER CABLE 24 4 071 057 01 HOLDER CABLE 25 4 071 077 02 BASE CHASSIS 26 X 4036 840 1 BASE ASSY STAND 27 30 27 4 071 065 01 SLIDER 28 4 045 121 01 STOPPER A STAND 29 4 060 533 01 CUSHION 30 4 071 064 01 STOPPER B 31 1 452 032 00 MAGNET DISC...

Page 19: ...163 021 91 CERAMIC CHIP 0 01MF 10 50V C028 1 104 664 11 ELECT 47MF 20 25V C029 1 164 004 11 CERAMIC CHIP 0 1MF 10 25V C032 1 164 004 11 CERAMIC CHIP 0 1MF 10 25V C033 1 164 004 11 CERAMIC CHIP 0 1MF 10 25V C035 1 162 134 11 CERAMIC 470PF 10 2KV C036 1 104 503 12 CERAMIC CHIP 0 1MF 10 100V C042 1 163 009 11 CERAMIC CHIP 0 001MF 10 50V C044 1 163 251 11 CERAMIC CHIP 100PF 5 50V C046 1 163 021 91 CER...

Page 20: ...ITE 0UH FB102 1 216 295 91 SHORT FB202 1 216 295 91 SHORT FB302 1 216 295 91 SHORT FILTER FL002 1 412 911 11 FERRITE 0UH IC IC001 8 752 090 63 IC CXA2067S IC002 8 759 593 11 IC LM2415 IC003 8 759 589 35 IC CXD9516P IC004 8 749 016 27 IC H8D2957 IC005 8 759 100 96 IC UPC4558G2 IC006 8 759 269 07 IC SN74HCT02ANSR JACK J001 1 251 598 11 SOCKET CRT CHIP CONDUCTOR JR002 1 216 296 91 SHORT JR005 1 216 2...

Page 21: ...W R202 1 216 113 00 RES CHIP 470K 5 1 10W R204 1 216 009 91 RES CHIP 22 5 1 10W R206 1 216 673 11 METAL CHIP 8 2K 0 50 1 10W R207 1 216 651 11 METAL CHIP 1K 0 50 1 10W R208 1 216 679 11 METAL CHIP 15K 0 50 1 10W R209 1 216 113 00 RES CHIP 470K 5 1 10W R211 1 249 402 11 CARBON 56 5 1 4W F R217 1 216 019 00 RES CHIP 56 5 1 10W R218 1 216 009 91 RES CHIP 22 5 1 10W R219 1 216 113 00 RES CHIP 470K 5 1...

Page 22: ...V C552 1 163 021 91 CERAMIC CHIP 0 01MF 10 50V C553 1 163 009 11 CERAMIC CHIP 0 001MF 10 50V C554 1 164 004 11 CERAMIC CHIP 0 1MF 10 25V C555 1 130 495 00 FILM 0 1MF 5 50V C556 1 163 259 91 CERAMIC CHIP 220PF 5 50V C557 1 107 907 11 ELECT 22MF 20 50V C558 1 126 960 11 ELECT 1MF 20 50V C559 1 137 368 11 FILM 0 0047MF 5 50V C560 1 119 859 71 FILM 0 36MF 5 250V C561 1 163 009 11 CERAMIC CHIP 0 001MF ...

Page 23: ...1 FILM 0 068MF 5 50V C906 1 136 177 00 FILM 1MF 5 50V C908 1 163 021 91 CERAMIC CHIP 0 01MF 10 50V C909 1 126 926 11 ELECT 1000MF 20 10V C910 1 130 495 00 FILM 0 1MF 5 50V C911 1 137 370 11 FILM 0 01MF 5 50V C912 1 126 933 11 ELECT 100MF 20 16V C913 1 130 495 00 FILM 0 1MF 5 50V C914 1 163 231 11 CERAMIC CHIP 15PF 5 50V C915 1 163 231 11 CERAMIC CHIP 15PF 5 50V C916 1 126 965 11 ELECT 22MF 20 50V ...

Page 24: ...N G12S D704 8 719 911 19 DIODE 1SS119 25 D901 8 719 988 61 DIODE 1SS355TE 17 D902 8 719 069 55 DIODE UDZS TE17 5 6B D903 8 719 050 84 DIODE RB441Q 40T 77 D904 8 719 069 55 DIODE UDZS TE17 5 6B D905 8 719 911 19 DIODE 1SS119 25 D906 8 719 988 61 DIODE 1SS355TE 17 D907 8 719 988 61 DIODE 1SS355TE 17 D908 8 719 988 61 DIODE 1SS355TE 17 D909 8 719 069 55 DIODE UDZS TE17 5 6B D910 8 719 069 55 DIODE UD...

Page 25: ...406 663 21 INDUCTOR 47UH L503 1 411 594 41 INDUCTOR 5MMH L505 1 412 552 11 INDUCTOR 2 2MMH L506 1 412 548 31 INDUCTOR 820UH L507 1 414 856 11 INDUCTOR 10UH L508 1 419 198 21 COIL HORIZONTAL LINEARITY L509 1 419 198 21 COIL HORIZONTAL LINEARITY L510 1 416 367 11 COIL HORIZONTAL CENTER L511 1 414 187 11 INDUCTOR 47UH L513 1 414 856 11 INDUCTOR 10UH L602 1 412 529 11 INDUCTOR 22UH L603 1 412 537 31 I...

Page 26: ...AL OXIDE 82 5 3W F R532 1 249 385 11 CARBON 2 2 5 1 4W F R533 1 249 417 11 CARBON 1K 5 1 4W F R534 1 249 405 11 CARBON 100 5 1 4W F R535 1 215 463 00 METAL 56K 1 1 4W R536 1 249 417 11 CARBON 1K 5 1 4W F R537 1 215 463 00 METAL 56K 1 1 4W R538 1 215 905 11 METAL OXIDE 10 5 3W F R539 1 215 905 11 METAL OXIDE 10 5 3W F R540 1 215 476 00 METAL 200K 1 1 4W R541 1 215 421 00 METAL 1K 1 1 4W R542 1 215 ...

Page 27: ...2 10 1 2W R635 1 215 925 11 METAL OXIDE 22K 5 3W F R636 1 260 119 11 CARBON 47K 5 1 2W R637 1 215 902 11 METAL OXIDE 47K 5 2W F R638 1 211 874 71 FUSIBLE MELF 0 12 10 1 2W R639 1 211 874 71 FUSIBLE MELF 0 12 10 1 2W R640 1 249 381 11 CARBON 1 5 1 4W F R642 1 216 641 11 METAL CHIP 390 0 50 1 10W R643 1 215 467 00 METAL 82K 1 1 4W R645 1 216 675 91 METAL CHIP 10K 0 50 1 10W R646 1 216 689 11 RES CHI...

Page 28: ...1 RES CHIP 100 5 1 10W R938 1 216 025 91 RES CHIP 100 5 1 10W R940 1 216 661 11 METAL CHIP 2 7K 0 50 1 10W R943 1 249 413 11 CARBON 470 5 1 4W R944 1 216 043 91 RES CHIP 560 5 1 10W R945 1 216 049 91 RES CHIP 1K 5 1 10W R946 1 216 053 00 RES CHIP 1 5K 5 1 10W R947 1 216 061 00 RES CHIP 3 3K 5 1 10W R950 1 216 051 00 RES CHIP 1 2K 5 1 10W R951 1 216 025 91 RES CHIP 100 5 1 10W R957 1 216 017 91 RES...

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