1. DL manuals
  2. IBM
  3. Monitor
  4. 6557-03N
  5. Service Manual

IBM 6557-03N Service Manual

Manual is about: Color monitor

Summary of 6557-03N

  • Page 1

    Chassis service manual specifications 6557-03n/03s/43n/43s n3 color monitor 6557-03n/43n n. Hemisphere model aep model japan model 6557-03s/43s s. Hemisphere model picture tube 0.25 – 0.27 mm aperture grille pitch 19 inches measured diagonally 90-degree deflection viewable image size approx. 365 × 2...

  • Page 2

    6557-03n/03s/43n/43s – 2 – 3. Measuring the voltage drop across a resistor by means of a vom or battery-operated ac voltmeter. The “limit” indica- tion is 0.75 v, so analog meters must have an accurate low- voltage scale. The simpson 250 and sanwa sh-63trd are examples of a passive voms that are sui...

  • Page 3

    6557-03n/03s/43n/43s – 3 – power saving function diagnosis this monitor meets the power-saving guidelines set by vesa and energy star, as well as the more stringent nutek . If the monitor is connected to a computer or video graphics board that is vesa dpms (display power management signaling) compli...

  • Page 4

    6557-03n/03s/43n/43s – 4 – mode at mode 1 mode 2 mode 3 mode 4 mode 5 mode 6 mode 7 mode 8 mode 9 production resolution 656 x 496 640 x 480 800 x 600 1024 x 768 1024 x 768 1280 x 1024 1280 x 960 1280 x 1024 1600 x 1200 clock 25.175 mhz 36.000 mhz 56.250 mhz 78.750 mhz 94.500 mhz 135.000 mhz 148.500 ...

  • Page 5

    6557-03n/03s/43n/43s – 5 – table of contents section title page 1. General ................................................................. 1-1 2. Disassembly 2-1. Cabinet removal ............................................... 2-1 2-2. A board removal .................................................

  • 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 2 getting started warning on power connection • use an appropriate power cord for your local powe...

  • Page 7

    1-2 4 getting started to a power outlet to ac in power cord setup this monitor works with platforms running at horizontal frequencies between 30 and 94 khz. Step 1: connect the monitor to the computer with the computer switched off, connect the video signal cable to the video output of the computer....

  • Page 8

    1-3 6 getting started horizontal frequency* vertical frequency* before adjusting • connect the monitor and the computer, and turn them on. • select “ lang” in the menu osd, then select “english” (see page 14). Adjusting the picture brightness and contrast once the setting is adjusted, it will be sto...

  • Page 9

    1-4 8 customizing your monitor using the geom (geometry) on- screen display the geom (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 signals received. All other adjustments will be stored in me...

  • Page 10

    1-5 10 customizing your monitor using the screen on-screen display you can adjust convergence settings to eliminate red or blue shadows that may appear around objects on the screen. Adjust the cancel moire function to eliminate wavy or elliptical patterns that may appear on the screen. Once cancel m...

  • Page 11

    1-6 12 customizing your monitor using the option on-screen display the option osd allows you to manually degauss the screen and adjust settings such as the osd position and power saving delay time. It also allows you to lock the controls. Degaussing the screen the monitor screen is automatically deg...

  • Page 12

    1-7 14 customizing your monitor using the lang (language) on- screen display english, french, german, spanish and japanese versions of the osds are available. 1 press the button. The menu osd appears. 2 press the ¨./> and >?// buttons to select “ lang,” and press the button again. The language osd a...

  • Page 13

    1-8 16 additional information warning messages if there is something wrong with the input signal, one of the following messages appears. Additional information 1 the input signal condition “out of scan range” indicates that the input signal is not supported by the monitor’s specifications. “no input...

  • Page 14

    1-9 18 additional information self-diagnosis function this monitor is equipped with a self-diagnosis function. If there is a problem with your monitor or computer(s), the screen will go blank and the u indicator will either light up green or flash orange. If the u u u u u indicator is green 1 remove...

  • Page 15

    6557-03n/03s/43n/43s 2-1. Cabinet removal section 2 disassembly 2-2. A board removal 2-1 seven screws (+bvtt 3 x 8) 5 side cover 8 video shield 10 four screws (+bvtt 3 x 8) 7 screw (+bvtt 3 x 8) 9 emi shield 6 4 two screw covers cabinet 3 four screws (+ bvtp 4 x 16) 2 1 two screw covers cn406 cn405 ...

  • Page 16

    6557-03n/03s/43n/43s 2-3. Ac inlet and i/o terminal board removal 2-4. D board removal 2-2 cn404 cn403 cn601 ac inlet (3p) 6 two screws (ext tooth washer screw m4) 2 three screws (+bvtt 3 x 8) 7 two screws (+ktp 3 x 8) 5 rear shield 3 i/o terminal board 8 screw (ext tooth washer screw m4) 4 a board ...

  • Page 17

    6557-03n/03s/43n/43s 2-5. Service position 2-6. H board removal 2-3 cn601 d board ac inlet (3p) four screws (tapping screw 5) cn801 h board two screws (+ bvtap 3 x 12) bezel 2 3 claw 1 4.

  • Page 18

    6557-03n/03s/43n/43s 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 hurt the surface of anode-caps with shartp shaped material! 2 ...

  • Page 19

    6557-03n/03s/43n/43s section 3 safety related adjustment 3-1 part replaced ( [) rv901 hv adj when replacing or repairing the shown below table, the follow- ing operational checks must be performed as a safety precaution against x-rays emissions from the unit. • beam current protector circuite check ...

  • Page 20

    6557-03n/03s/43n/43s section 4 adjustments 4-1 • 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 p...

  • Page 21

    6557-03n/03s/43n/43s connect the communication cable of the computer to the connector located on the d board on the monitor. Run the service software and then follow the instruction. • convergence rough adjustment (1) receive an image of the white crosshatch signals (white lines on black). (2) place...

  • Page 22: Memo

    6557-03n/03s/43n/43s 4-3 memo.

  • Page 23

    5-1 5-2 5-3 5-4 section 5 diagrams 5-1. Block diagrams (with frame schematic diagram) 5-2. Circuit boards location 5-3. Schematic diagrams and printed wiring boards note: • all capacitors are in µf unless otherwise noted. (pf: µµf) capacitors without voltage indication are all 50 v. • indication of ...

  • Page 24

    5-5 5-6 5-7 5-8 (1) schematic diagram of d board schematic diagrams d d d d d boards l ic002 5 0.5 6 3.5 7 0 ic004 5 4.9 6 4.9 7 0 ic005 1 0.4 3 0 7 1.5 8 4.9 ic009 1 –0.5 2 0 3 0 4 4.4 5 4.4 6 0.5 14 4.9 ic010 1 3.8 3 * 4 2.6 5 2.8 6 5.0 7 0.3 9 4.9 10 4.9 12 4.4 14 4.3 15 4.3 16 5.0 17 2.0 18 –0.2...

  • Page 25

    5-9 5-10 — d board (conductor side) — — d board (component side) — d power supply, u-com, deflection 1 2 3 4 5 a b c d e f g 1 2 3 4 5 a b c d e f g.

  • Page 26

    5-11 5-12 — a board (conductor side) — — a board (component side) — a video amp rgb out • a board semiconductor location * : refer to terminal name of semiconductors in silk screen printed circuit (see page 5-4) note: the circuit indicated as left contains high voltage of over 600 vp-p. Care must be...

  • Page 27

    5-13 5-14 5-15 schematic diagram Ò a a a a a board 50.0 vp-p (h) 8 • a board waveforms 4.0 vp-p (h) 1 4.0 vp-p (h) 3 50.0 vp-p (h) 2 50.0 vp-p (h) 6 50.0 vp-p (h) 4 4.0 vp-p (h) 5 50.0 vp-p (h) 7 50.0 vp-p (h) 9 ref. Pin no. Voltage [v] ref. Pin no. Voltage [v] ic403 1 1.6 2 1.6 3 1.6 4 0 5 2.2 8 2....

  • Page 28

    5-16 h user control (3) schematic diagram of h board — h board — ref. Pin no. Voltage [v] q802 b 5.1 e 4.4 q803 b 0 e 0.4 • h board voltage list 1 2 3 4 5 a stby+5v 1 2 3 4 5 6 7 8 9 10 s807 s806 s804 s803 s802 s801 s800 r809 r810 r800 r801 r802 r803 r804 r805 r806 r807 r808 r812 c800 d806 cn801 r81...

  • Page 29

    5-17 ba05t njm78m09fa ta78m12s ba9756fs-e2 m62352gp-75e m62352gp-75ed cax2043q cxa2044m lsc4380dw2el dm-57n fa4111 5-4. Semiconductors la6500-fa la6510 la7841l lm1283n lm324m mc74hc02af sn74hc02ans sn74hc04ans sn74hct04ans mb90553pf mcr5102 mc33262p mm1170bfb m52348fp-tp njm4558m µpc4558g2 24lc16bt/...

  • Page 30

    5-18 2sc5022-02 2sj449 2sj449(1) 2sc5301-cc 2sds1802-s 2sk2655-01r-f183r dtz33b dtz5.1b ma111 rd12sb2 udz-te-17-12b udz-te-17-33b udz-te-17-5.1b d5l60 egp10d era91-02 s2la20f s2l20uf era22-06avrbt era22-08 erb38-06 gp08d gp08dpkg23 hss83td s2l40f fmq-g5fms ma151wk 1ss184 pc123f2 pc123fy2 pg124s15 p6...

  • Page 31

    6557-03n/03s/43n/43s • 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 32

    6557-03n/03s/43n/43s ref.No. Part no. Description remark ref.No. Part no. Description remark 6-2 51 ¡ 8-736-400-82 itc assy (19frg-r1) [03n/43n] 52-54 51 ¡ 8-736-403-81 itc assy (19frg-rs1) [03s/43s] 52-54 52 ¡ 8-736-400-00 picture tube (19frg) [03n/43n japan model] 52 ¡ 8-736-400-05 picture tube (1...

  • Page 33

    6557-03n/03s/43n/43s 6-3. Packing materials ref.No. Part no. Description remark ref.No. Part no. Description remark 6-3 101 4-062-474-01 cushion (upper) (assy) 102 4-063-577-01 bag, polyethylene [03n/03s] 102 4-063-578-01 bag, protection [43n/43s] 103 4-062-648-01 pad, tilt fixed 104 4-062-475-01 cu...

  • Page 34

    Ref.No. Part no. Description remark ref.No. Part no. Description remark the components identified by shading and mark ¡ are critical for safety. Replace only with part number specified. Les composants identifiés per un tramé et une marque ¡ sont critiques pour la sécurité. Ne les remplacer que par u...

  • Page 35

    Ref.No. Part no. Description remark ref.No. Part no. Description remark the components identified by shading and mark ¡ are critical for safety. Replace only with part number specified. Les composants identifiés per un tramé et une marque ¡ sont critiques pour la sécurité. Ne les remplacer que par u...

  • Page 36

    Ref.No. Part no. Description remark ref.No. Part no. Description remark the components identified by shading and mark ¡ are critical for safety. Replace only with part number specified. Les composants identifiés per un tramé et une marque ¡ sont critiques pour la sécurité. Ne les remplacer que par u...

  • Page 37

    Ref.No. Part no. Description remark ref.No. Part no. Description remark the components identified by shading and mark ¡ are critical for safety. Replace only with part number specified. Les composants identifiés per un tramé et une marque ¡ sont critiques pour la sécurité. Ne les remplacer que par u...

  • Page 38

    Ref.No. Part no. Description remark ref.No. Part no. Description remark the components identified by shading and mark ¡ are critical for safety. Replace only with part number specified. Les composants identifiés per un tramé et une marque ¡ sont critiques pour la sécurité. Ne les remplacer que par u...

  • Page 39

    Ref.No. Part no. Description remark ref.No. Part no. Description remark the components identified by shading and mark ¡ are critical for safety. Replace only with part number specified. Les composants identifiés per un tramé et une marque ¡ sont critiques pour la sécurité. Ne les remplacer que par u...

  • Page 40

    Ref.No. Part no. Description remark ref.No. Part no. Description remark the components identified by shading and mark ¡ are critical for safety. Replace only with part number specified. Les composants identifiés per un tramé et une marque ¡ sont critiques pour la sécurité. Ne les remplacer que par u...

  • Page 41

    Ref.No. Part no. Description remark ref.No. Part no. Description remark the components identified by shading and mark ¡ are critical for safety. Replace only with part number specified. Les composants identifiés per un tramé et une marque ¡ sont critiques pour la sécurité. Ne les remplacer que par u...

  • Page 42

    Ref.No. Part no. Description remark ref.No. Part no. Description remark the components identified by shading and mark ¡ are critical for safety. Replace only with part number specified. Les composants identifiés per un tramé et une marque ¡ sont critiques pour la sécurité. Ne les remplacer que par u...

  • Page 43

    Ref.No. Part no. Description remark ref.No. Part no. Description remark the components identified by shading and mark ¡ are critical for safety. Replace only with part number specified. Les composants identifiés per un tramé et une marque ¡ sont critiques pour la sécurité. Ne les remplacer que par u...

  • Page 44

    Ref.No. Part no. Description remark ref.No. Part no. Description remark the components identified by shading and mark ¡ are critical for safety. Replace only with part number specified. Les composants identifiés per un tramé et une marque ¡ sont critiques pour la sécurité. Ne les remplacer que par u...

  • Page 45

    Ref.No. Part no. Description remark ref.No. Part no. Description remark the components identified by shading and mark ¡ are critical for safety. Replace only with part number specified. Les composants identifiés per un tramé et une marque ¡ sont critiques pour la sécurité. Ne les remplacer que par u...

  • Page 46

    Ref.No. Part no. Description remark ref.No. Part no. Description remark the components identified by shading and mark ¡ are critical for safety. Replace only with part number specified. Les composants identifiés per un tramé et une marque ¡ sont critiques pour la sécurité. Ne les remplacer que par u...