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IBM 6552-23N Service Manual - 6552-23N/23S/63N/63S

Manual is about: COLOR GRAPHIC DISPLAY, G1 CHASSIS

Summary of 6552-23N

  • Page 1

    Chassis service manual specifications 6552-23n/23s/63n/63s g1 6552-23n/63n u/c model aep model japan model chassis no. Scc-l22j-a (6552-23n) chassis no. Scc-l22k-a (6552-63n) 6552-23s/63s s.Hemisphere model chassis no. Scc-l22j-a (6552-23s) chassis no. Scc-l22k-a (6552-63s) color graphic display mod...

  • Page 2

    6552-23n/23s/63n/63s – 2 – leakage test the ac leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part hav- ing a return to chassis, must not exceed 0.5 ma (500 microam- peres). Leakage current can be measured by any one of three methods. 1. A c...

  • Page 3: 6552-23N/23S/63N/63S

    6552-23n/23s/63n/63s – 3 – power saving function diagnosis this monitor is equipped with a self-diagnosis function. If there is a problem with your monitor or computer, the screen will go blank and the u indicator will either light up green or flash orange. If the u indicator is green 1 disconnect t...

  • Page 4: 6552-23N/23S/63N/63S

    6552-23n/23s/63n/63s – 4 – mode at production mode7 mode8 mode9 mode10 mode 11 resolution 1024 x 768 1280 x 1024 1280 x 1024 1600 x 1200 1600 x 1200 clock 94.500 mhz 135.000 mhz 157.500 mhz 202.500 mhz 229.500 mhz — horizontal — h-freq 68.677 khz 79.976 khz 91.146 khz 93.750 khz 106.250 khz usec use...

  • Page 5: 6552-23N/23S/63N/63S

    6552-23n/23s/63n/63s – 5 – note: hand degauss must be used on stand-by or power-off condition. This model has an automatic earth magnetism correction function by using an earth magnetism sensor and a lcc coil. When using a hand degauss while monitor (lcc coil) is being operated, it sometimes gets ma...

  • Page 6

    Section 1 general the operating instructions mentioned here are partial abstracts from the operating instruction manual. The page numbers of the operating instruction manual remain as in the manual. 1-1 getting started 2 use of the tilt-swivel this monitor can be adjusted within the angles shown bel...

  • Page 7

    1-2 getting started 4 ac in (hd15) 1 (dvi) 2 ac in (hd15) 1 (dvi) 2 ac in (hd15) 1 (dvi) 2 setup this monitor works with platforms running at horizontal frequencies between 30 and 121 khz. Step 1: make sure the computer and monitor are switched off step 2: connect the monitor to the computer connect...

  • Page 8

    1-3 customizing your monitor 6 introducing the on-screen display system most adjustments are made using the menu osd. Menu osd press the button to display the menu osd. This menu osd contains links to the other osds described below. 1 exit closes the menu osd. 2 size/center displays the size/center ...

  • Page 9

    1-4 customizing your monitor 8 for (rotation) (pincushion) (pin balance) (keystone) (key balance) using the geometry on- screen display the geometry settings allow you to adjust the shape and orientation of the picture. Once the (rotation) is adjusted, it will be stored in memory for all input signa...

  • Page 10

    1-5 customizing your monitor 10 to reduce any color irregularities in the screen’s top left corner to a minimum. Reduce any color irregularities in the screen’s top right corner to a minimum. Reduce any color irregularities in the screen’s bottom left corner to a minimum. Reduce any color irregulari...

  • Page 11

    1-6 customizing your monitor 12 note your computer and other connected products (such as a printer), must be srgb compliant. Restoring the color from the easy or srgb menus the colors of most display monitors tend to gradually lose brilliance over several years of service. The color return feature f...

  • Page 12

    1-7 14 customizing your monitor changing the on-screen display position you can change the osd position (for example, when you want to adjust the picture behind the osd). 1 press the button. The menu osd appears. 2 press the ./> buttons to select “ option” and press the button again. The option osd ...

  • Page 13

    1-8 16 customizing your monitor preset modes no. 1 2 3 4 5 6 7 8 9 10 11 resolution (dots × lines) 640 × 480 640 × 480 640 × 480 800 × 600 800 × 600 1024 × 768 1024 × 768 1280 × 1024 1280 × 1024 1600 × 1200 1600 × 1200 horizontal frequency 31.5 khz 37.5 khz 43.3 khz 46.9 khz 53.7 khz 60.0 khz 68.7 k...

  • Page 14

    1-9 18 additional information troubleshooting this section may help you isolate the cause of a problem and as a result, eliminate the need to contact technical support. Symptom check these items no picture if the u indicator is not lit if the “no input signal” message appears on the screen, or if th...

  • Page 15: Self-Diagnosis Function

    1-10 20 additional information self-diagnosis function this monitor is equipped with a self-diagnosis function. If there is a problem with your monitor or computer, the screen will go blank and the u indicator will either light up green or flash orange. If the u indicator is green 1 disconnect the v...

  • Page 16: 6552-23N/23S/63N/63S

    6552-23n/23s/63n/63s two screws (+ bvtp 4 x 16) 5 screw cover (ur) 2 screw cover (lr) 1 two screws (+ bvtp 4 x 16) 5 screw cover (ul) 3 screw cover (ll) 4 cabinet 6 four screws (+ bvtt 4 x 8) 9 two screws (+ bvtp 4 x 16) 5 video shield 10 four screws (+ bvtt 4 x 8) 7 top cover 8 screw cover cabinet ...

  • Page 17: 6552-23N/23S/63N/63S

    6552-23n/23s/63n/63s 2-3. G board removal 2-4. A board, i/o terminal board assembly removal 2-2 two screws (+ bvtt 4 x 8) two hooks two screws (+bvtp 3 x 8) g shield g board gnd cn602 cn654 cn653 cn652 cn650 gnd open the g block in the direction of the arrow . And remove of the arrow . A b two print...

  • Page 18: 6552-23N/23S/63N/63S

    6552-23n/23s/63n/63s 2-5. N board removal 2-6. Service position 2-3 n board printed circuit board holder 1 2 cn010 cn011 cn001 cn007 cn002 cn5002 cn5001 cn5003 d board (refer to 2-2.) cn602 rear shield d,g boards g board (refer to 2-3.) ac inlet (3p) caution : short if the claw is hooked, opening an...

  • Page 19: 6552-23N/23S/63N/63S

    6552-23n/23s/63n/63s 2-7. Bezel assembly, h board removal 2-8. J board removal 2-4 degaussing coil holder j board two hooks j board claw 2 3 1 claw 4 three degaussing coil holders degaussing coil cn891 when installing j board, put the behind of the board in two hooks. Four screws (tapping screw 5) h...

  • Page 20: 6552-23N/23S/63N/63S

    6552-23n/23s/63n/63s 3 when one side of the rubber cap is separated from the anode button, the anode-cap can be removed by turning up the rubber cap and pulling up it in the direction of the arrow c . • how to handle an anode-cap 1 don’t scratch the surface of anode-caps with shartp shaped material!...

  • Page 21: 6552-23N/23S/63N/63S

    6552-23n/23s/63n/63s 2-6 2-10. Harness location cn801 cn891 cn5 cn5001 cn601 cn603 cn602 cn651 cn5003 cn5002 cn002 cn001 cn509 cn506 cn502 cn505 cn501 cn508 cn4 4pin 4pin cn007 cn011 cn010 dvi cn402 cn405 cn407 cn408 cn403 cn406 cn504 g board n board ac inlet fbt a board i/o terminal board assembly ...

  • Page 22: 6552-23N/23S/63N/63S

    6552-23n/23s/63n/63s hv regulator circuit check hv protector circuit check beam current protector circuit check when replacing or repairing the shown below table, the following operational checks must be performed as a safety precaution against x-rays emissions from the unit. Section 3 safety relate...

  • Page 23: 6552-23N/23S/63N/63S

    6552-23n/23s/63n/63s section 4 adjustments • landing rough adjustment 1. Enter the full white signal. (or the full black dots signal). 2. Adjust the contrast to the maximum. 3. Make the screen monogreen. Note: off the outputs from r ch and b ch of sg. 4. Reverse the dy, and adjust coarsely the purit...

  • Page 24: 6552-23N/23S/63N/63S

    6552-23n/23s/63n/63s 4-2 connect the communication cable of the computer to the connector located on the d board. Run the service software and then follow the instruction. Ibm at computer as a jig 1-690-391-21 1 a-1500-819-a interface unit 2 *the parts above ( ) are necessary for das adjustment. 1 3...

  • Page 25

    5-1 5-2 section 5 diagrams 5-1. Block diagrams 21 19 18 17 16 20 12 7 6 2 4 13 14 8 9 10 host gnd 1 ddc scl 1 ddc +5v 1 vs1 hs/vs1 ddc sda 1 input sel g. Sync det sync on g clp c. Blk scl sda h. Sync v. Sync hfbp b a to n board cn001 to n board cn002 5 3 1 35 32 29 23 21 19 17 26 27 28 11 9 7 bin2 g...

  • Page 26

    5-3 5-4 4 3 2 6 5 1 20 18 16 10 15 9 8 14 13 12 21 46 47 104 103 29 53 51 108 69 41 42 98 156 152 157 153 149 140 148 131 ddc+5v 1 ddc scl 1 ddc sda 1 hs/cs 1 vs 1 host gnd 1 clp c. Blk sync on g input sel g. Sync det scl sda h. Sync v. Sync hfbp abl (nc) ubi1 ubi2 uin2 uin1 p52/int2 uout3 uout1 uin...

  • Page 27

    5-5 5-6 1 3 ac l out ac l in cn891 1 3 ac l out ac l in cn603 th601 d610 rect ry602 1 3 ac l ac n cn602 f601 6.3a t601 ac inlet ry603 1 4 dgc dgc cn601 power s891 j (power sw) h (user control) g (power supply) dgc 1 2 4 3 l410 afc t621 prt t620 pit ps650 2.0a ic654 +12v reg d652 d650 vcc drain l sen...

  • Page 28

    5-7 5-8 5-2. Frame schematic diagram 1 2 3 4 5 6 1 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 1 2 3 4 1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 1 2 3 1 2 3 1 2 3 1 2 3 4 1 2 3 4 5 6 7 8 9 1 ...

  • Page 29

    5-9 5-10 note: • all capacitors are in µ f unless otherwise noted. (pf: µµ f) capacitors without voltage indication are all 50 v. • indication of resistance, which does not have one for rating electrical power, is as follows. Pitch: 5 mm rating electrical power 1/4 w (chip : 1/10 w) • all resistors ...

  • Page 30

    5-11 5-12 (1) schematic diagram of a board schematic diagram a a a a a board , 1 2 3 4 5 6 7 8 9 10 11 12 13 14 a b c d e f g h i 0 2.7 0 2.6 0 0 2.9 0.1 4.9 4.9 2.8 0.7 4.4 2.6 2.0 4.6 2.6 2.7 2.4 2.5 2.6 2.4 2.5 4.3 3.4 4.5 2.7 2.6 2.7 0.6 0.6 0.5 1 2 4 3 5 6 2.6 2.7 58.1 65.5 2.7 2.6 2.7 2.7 79.0...

  • Page 31

    5-13 5-14 • a board ic401 m52757fp 1 2 3 4 6 7 5 8 9 • a board waveforms 4.6 vp-p (h) 66.0 vp-p (h) 64.0 vp-p (h) 65.0 vp-p (h) 4.8 vp-p (h) 64.0 vp-p (h) 4.7 vp-p (h) 64.0 vp-p (h) 64.0 vp-p (h) • a board ic402 m52749fp 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 1 2 3 4 5 6 7 8 9 10 11 1...

  • Page 32

    Ic ic401 b-3 ic402 b-2 ic403 a-2 a-2 ic404 c-3 ic405 d-2 ic406 a-3 a-1 ic407 d-2 transistor * q101 c-1 1 q201 c-1 1 q301 c-1 1 q401 a-3 1 q402 d-3 qg q406 d-3 1 q407 d-2 2 q410 d-3 d-1 – – diode * d101 b-1 6 d102 a-3 7 d103 a-1 qa d105 b-3 b-1 – d106 a-2 3 d107 a-2 3 d201 b-1 6 d202 a-3 7 d203 a-1 q...

  • Page 33

    (2) schematic diagrams of h, j boards 5-17 5-18 1 2 3 4 5 6 7 8 9 10 11 12 13 14 a b c d e f g h i j — h board — — j board — h user control j power sw stby+5v 1w+5v 4.9 2.2 4.9 0.2 4.4 3.7 0 0.1 1 2 3 4 5 6 7 8 9 10 11 g r th801 d801 r811 r812 r801 r802 r803 r804 r805 r807 s801 s802 s803 s804 s805 s...

  • Page 34

    (3) schematic diagram of d board 5-19 5-20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 a b c d e f g h i schematic diagrams h h h h h j j j j j boards schematic diagram d d d d d board , +15v +15v -15v +12v -15v +80v +15v +15v +220v +15v 9.0 8.9 3.5 2.0 2.5 2.5 9.0 3.1 0 3.2 9.1 9.3 +90v 82.5 82.0 82.5 75.5...

  • Page 35

    Ic ic501 c-4 ic502 a-1 ic503 c-4 ic701 a-5 ic901 c-1 transistor * q501 b-5 - q502 a-4 1 q503 a-4 1 q504 c-4 1 q505 d-4 1 q506 b-5 - q507 c-5 - q508 a-2 - q509 a-4 - q510 c-5 - q511 c-5 - q512 c-5 - q513 c-5 - q514 b-2 - q515 a-3 - q516 b-4 - q517 d-5 - q518 b-4 - q519 d-4 1 q520 b-5 1 q521 b-5 1 q52...

  • Page 36

    5-23 5-24 (4) schematic diagrams of n ( a , b , c ) board schematic diagram n n n n n - a board , 1 2 3 4 5 6 7 8 9 10 11 12 13 14 a b c d e f g h i • divided circuit diagram one sheet of n board circuit diagram is divided into three sheets, each having the code n- a to n- c . For example, the desti...

  • Page 37

    5-25 5-26 1 2 3 4 5 6 7 8 9 10 11 12 13 14 a b c d e f g h i j stby+5v stby+5v vcc+4.5v +15v +15v stby+5v stby+5v stby+5v 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 6...

  • Page 38

    5-27 5-28 1 2 3 4 5 6 7 8 9 10 11 12 13 14 a b c d e f g h i schematic diagram n n n n n - c board , schematic diagram n n n n - b board stby+5v -15v +15v +15v -15v -15v +15v stby+5v 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 1 2 3 4 5 6 1 2 3 4 5 6 7 8 r...

  • Page 39

    Ic ic001 c-2 ic002 c-2 ic003 c-2 ic004 b-2 ic005 b-2 ic006 d-1 ic010 c-2 ic011 b-2 ic012 b-2 ic5101 a-2 a-2 ic5201 b-2 b-2 ic5301 a-1 a-2 ic5401 b-1 b-2 transistor * q001 c-1 1 q002 c-1 1 q003 c-1 1 q004 b-1 2 q005 c-1 2 q006 c-1 2 q007 b-3 1 q008 c-2 1 q009 d-3 1 q010 c-1 1 q011 c-2 2 q012 d-2 2 di...

  • Page 40

    (5) schematic diagram of g board 5-31 5-32 1 2 3 4 5 6 7 8 9 10 11 12 13 14 a b c d e f g h i schematic diagram g g g g g board , 5.7 2.5 180 4.0 11.9 4.0 0.7 0.1 4.0 0 14.8 14.3 0.2 14.3 0.2 11.4 11.4 11.2 5.0 6.8 6.8 6.1 0.1 1.2 0.3 6.7 5.6 4.9 2.5 2.4 5.6 6.8 2.8 6.8 5.0 4.8 5.5 5.0 1.2 4.7 1.2 3...

  • Page 41

    G power supply — g board — • g board semiconductor location 5-33 5-34 * : refer to terminal name of semiconductors in silk screen printed circuit (see page 5-10) note: the circuit indicated as left contains high voltage of over 600 vp-p. Care must be paid to prevent an electric shock in inspection o...

  • Page 42

    Cathode anode 5-5. Semiconductors ba00ast-v5 ba05st-v5 la6500-fa ba05t ba10324af-e2 sn74hc04ans sn74hc04ansr tc74vhct74aft(el) xra10324af njm2904m njm2904m(te2) tl082cps-e20 tl082m 24lc21at/sn ba9758fs-e2 ba9759f-e2 cxd8744q cxd9514m dm-57n fa13842p m24c16-mn6t mm1170bfb vps17b ha17431pa ha17431pa-t...

  • Page 43

    6552-23n/23s/63n/63s • items marked " * " are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. • items with no part number and no description are not stocked because they are seldom required for routine service. • the constru...

  • Page 44

    6552-23n/23s/63n/63s 6-2. Picture tube p 7-685-663-71 +bvtp 4x16 ¢ 7-685-881-09 +bvtt 4x8 6-2 ref.No. Part no. Description remark ref.No. Part no. Description remark 51 x-4036-785-1 bezel assy [23n/23s] 52-53 51 x-4037-214-1 bezel assy [63n/63s] 52-53 52 4-070-773-01 button, power [23n/23s] 52 4-070...

  • Page 45

    6552-23n/23s/63n/63s 102 103 104 105 106 105 101 107 108 109 111 112 113 110 6-3. Packing materials ref.No. Part no. Description remark ref.No. Part no. Description remark 6-3 101 * 4-071-390-01 cushion (upper) (assy) 102 * 4-072-503-01 individual carton 103 * 4-071-391-01 cushion (lower) (assy) 104...

  • Page 46

    Ref.No. Part no. Description remark ref.No. Part no. Description remark 6552-23n/23s/63n/63s 7-1 the components identified ! Marked are critical for safety. Replace only with the part number specified. Les composants identifiés par la marque ! Sont critiques pour la sécurité. Ne les remplacer que pa...

  • Page 47

    Ref.No. Part no. Description remark ref.No. Part no. Description remark 6552-23n/23s/63n/63s 7-2 the components identified ! Marked are critical for safety. Replace only with the part number specified. Les composants identifiés par la marque ! Sont critiques pour la sécurité. Ne les remplacer que pa...

  • Page 48

    Ref.No. Part no. Description remark ref.No. Part no. Description remark 6552-23n/23s/63n/63s 7-3 the components identified ! Marked are critical for safety. Replace only with the part number specified. Les composants identifiés par la marque ! Sont critiques pour la sécurité. Ne les remplacer que pa...

  • Page 49

    Ref.No. Part no. Description remark ref.No. Part no. Description remark 6552-23n/23s/63n/63s 7-4 the components identified ! Marked are critical for safety. Replace only with the part number specified. Les composants identifiés par la marque ! Sont critiques pour la sécurité. Ne les remplacer que pa...

  • Page 50

    Ref.No. Part no. Description remark ref.No. Part no. Description remark 6552-23n/23s/63n/63s 7-5 the components identified ! Marked are critical for safety. Replace only with the part number specified. Les composants identifiés par la marque ! Sont critiques pour la sécurité. Ne les remplacer que pa...

  • Page 51

    Ref.No. Part no. Description remark ref.No. Part no. Description remark 6552-23n/23s/63n/63s 7-6 the components identified ! Marked are critical for safety. Replace only with the part number specified. Les composants identifiés par la marque ! Sont critiques pour la sécurité. Ne les remplacer que pa...

  • Page 52

    Ref.No. Part no. Description remark ref.No. Part no. Description remark 6552-23n/23s/63n/63s 7-7 the components identified ! Marked are critical for safety. Replace only with the part number specified. Les composants identifiés par la marque ! Sont critiques pour la sécurité. Ne les remplacer que pa...

  • Page 53

    Ref.No. Part no. Description remark ref.No. Part no. Description remark 6552-23n/23s/63n/63s 7-8 the components identified ! Marked are critical for safety. Replace only with the part number specified. Les composants identifiés par la marque ! Sont critiques pour la sécurité. Ne les remplacer que pa...

  • Page 54

    Ref.No. Part no. Description remark ref.No. Part no. Description remark 6552-23n/23s/63n/63s 7-9 the components identified ! Marked are critical for safety. Replace only with the part number specified. Les composants identifiés par la marque ! Sont critiques pour la sécurité. Ne les remplacer que pa...

  • Page 55

    Ref.No. Part no. Description remark ref.No. Part no. Description remark 6552-23n/23s/63n/63s 7-10 the components identified ! Marked are critical for safety. Replace only with the part number specified. Les composants identifiés par la marque ! Sont critiques pour la sécurité. Ne les remplacer que p...

  • Page 56

    Ref.No. Part no. Description remark ref.No. Part no. Description remark 6552-23n/23s/63n/63s 7-11 the components identified ! Marked are critical for safety. Replace only with the part number specified. Les composants identifiés par la marque ! Sont critiques pour la sécurité. Ne les remplacer que p...

  • Page 57

    Ref.No. Part no. Description remark ref.No. Part no. Description remark 6552-23n/23s/63n/63s 7-12 the components identified ! Marked are critical for safety. Replace only with the part number specified. Les composants identifiés par la marque ! Sont critiques pour la sécurité. Ne les remplacer que p...

  • Page 58

    Ref.No. Part no. Description remark ref.No. Part no. Description remark 6552-23n/23s/63n/63s 7-13 the components identified ! Marked are critical for safety. Replace only with the part number specified. Les composants identifiés par la marque ! Sont critiques pour la sécurité. Ne les remplacer que p...

  • Page 59

    Ref.No. Part no. Description remark ref.No. Part no. Description remark 6552-23n/23s/63n/63s 7-14 the components identified ! Marked are critical for safety. Replace only with the part number specified. Les composants identifiés par la marque ! Sont critiques pour la sécurité. Ne les remplacer que p...

  • Page 60

    Ref.No. Part no. Description remark ref.No. Part no. Description remark 6552-23n/23s/63n/63s 7-15 the components identified ! Marked are critical for safety. Replace only with the part number specified. Les composants identifiés par la marque ! Sont critiques pour la sécurité. Ne les remplacer que p...