IBM 6656HG2 Service Manual

IBM 6656HG2 - T 560 - 15" LCD Monitor Manual

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IBM 6656HG2 manual content summary:

  • IBM 6656HG2 | Service Manual - Page 1
    MODEL: T560 (6656-HW2) T560 (6656-HG2) COLOR MONITOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
  • IBM 6656HG2 | Service Manual - Page 2
    SPECIFICATIONS 2 PRECAUTIONS 5 TIMING CHART 6 OPERATING INSTRUCTIONS 7 WIRING DIAGRAM 8 DISASSEMBLY 9 BLOCK DIAGRAM 11 DESCRIPTION OF BLOCK DIAGRAM 12 ADJUSTMENT 13 TROUBLESHOOTING GUIDE 14 PRINTED CIRCUIT BOARD 18 EXPLODED VIEW 20 EXPLODED VIEW PARTS LIST 21 REPLACEMENT PARTS LIST 23
  • IBM 6656HG2 | Service Manual - Page 3
    height of the screen(Figure B). Maximum: 4.87 inch(123.8 mm) (Figure B) Landscape & Portrait This monitor offers the ability to rotate between landscape and portrait modes(Figure C). The monitor rotates from Landscape to Portrait through 90°clockwise and from Portrait to Landscape through 90°anti
  • IBM 6656HG2 | Service Manual - Page 4
    you selected in the step 6, and then reconnect the signal cable and the power cord to the monitor. To obtain the correct cables and/or to get further instructions on installing them, call the IBM HELPCENTER at the above numbers or contact your dealer, retailer, or other IBM authorized Servicer. -4-
  • IBM 6656HG2 | Service Manual - Page 5
    There are some special components used in LCD monitor that are important for safety. These parts are hazard. • Do not modify original design without obtaining written permission from IBM Inc. or you will void the original parts and labor guarantee. WARNING shock hazard during service operation. -5-
  • IBM 6656HG2 | Service Manual - Page 6
    VIDEO SYNC TIMING CHART B A C E F D MODE H / V Sync Dot Frequency Polarity Clock 1 H (Pixels) + 25.175 31.468 KHz V (Lines) - 70.0 Hz 2 H (Pixels) - 28.322 31.468 KHz V (Lines) + 70.0 Hz H (Pixels) 3 V (Lines) - 25.175 31.469 KHz - 60.0 Hz 4 H (Pixels) - 30.24 35.00 KHz V
  • IBM 6656HG2 | Service Manual - Page 7
    OPERATING INSTRUCTIONS FRONT VIEW REAR VIEW Front Control Panel Front Control Panel DVI Port DSub signal Adapter Jack 5 4 3 21 1. Power Indicator This indicator lights up green when the monitor operates normally; In DPMS(Energy Saving) mode, - stand-by, suspend, or power off mode - its color
  • IBM 6656HG2 | Service Manual - Page 8
    WIRING DIAGRAM J1 Module link Cable : 6631T11012M P704 P703 Inverter Cable : 6631T11012L -8-
  • IBM 6656HG2 | Service Manual - Page 9
    DISASSEMBLY 1. TILT SWIVEL REMOVAL (1) Remove the Cover Hinge. (2) Remove two screws (a). (3) Remove the Cover Piece Back. (4) Remove two connectors (c). Cover Piece Back (5) Remove the Module Link Cable connector. (6) Remove the screw (b). (7) Remove the Tilt Swivel. Cover Hinge Module
  • IBM 6656HG2 | Service Manual - Page 10
    4. LCD MODULE REMOVAL (1) Remove Inverter Connector. (2) Remove eight Screws (a). (3) Remove the Metal Frame from the LCD MODULE. (a) LCD Module (a) (a) (a) 5. INVERTER ASS'Y REMOVAL (1) Disconnector the CN3, CN4. (2) Remove the Inverter Ass'y. (a) (a) (a) (a) Inverter Connector 6. TILT SWIVEL
  • IBM 6656HG2 | Service Manual - Page 11
    BLOCK DIAGRAM - 11 -
  • IBM 6656HG2 | Service Manual - Page 12
    by interfacing with internal OSD IC, and outputs clock, H/V sync, 24bit RGB data, and DE(data enable) signals which Transmitter(U401) needs. For supporting digital interface, this IC has internal TMDS receiver converting serial data signal to parallel. And parallel signal almost similar as 24bit RGB
  • IBM 6656HG2 | Service Manual - Page 13
    Select PRESET START → BIAS CAL command and Enter. 4) No attempt to manually adjust, BIAS data is automatically adjusted and saved to the EEPROM. 5) to EEPROM. Control Line IBM Compatible PC 15 10 5 PARALLEL PORT Not used RS232C PARALLEL OFF ON 5V C F VGS A MONITOR B V-SYNC ST POWER
  • IBM 6656HG2 | Service Manual - Page 14
    TROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) CHECK J801'S NO VOLTAGE (12V) ? YES CHECK X501'S WAVEFROM NO OSCILLATE AS 24MHZ ? YES CHECK U803 PIN 2, 3 NO
  • IBM 6656HG2 | Service Manual - Page 15
    2. NO RASTER (OSD IS NOT DISPLAYED) - INVERTER NO RASTER (OSD IS NOT DISPLAYED) J703 PIN10 12V? YES J703 PIN5 5V? YES J703 PIN1 5V? YES NO CHECK ADAPTER NO CHECK MICOM INV ON/OFF PORT. 1. CONFIRM BRIGHTNESS NO OSD CONTRL STATE. 2. CHECK MICOM DIM-ADJ PORT CHECK PULSE AS CONTACTING SCOPE
  • IBM 6656HG2 | Service Manual - Page 16
    PIN1 IS 48KHz H-SYNC? IS PULSE APPEARED AT SIGNAL PINS? YES J703'S PIN1 3.3V? YES TROUBLE IN CABLE OR LCD MODULE NO CHECK U801, U821 1. CHECK PIN34, 35 NO SOLDERING CONDITION 2. CHECK X201 3. TROUBLE IN U201 NO CHECK U201 OR U401'S SOLDERING CONDITION AND CHECK CONNECTION LINE FROM U201 TO
  • IBM 6656HG2 | Service Manual - Page 17
    4. RAINBOW SCREEN RAINBOW SCREEN (OSD IS NOT DISPLAYED) CHECK CMF 401, 402, NO 403, 404'S WAVEFORM? YES CHECK J703'S SOLDERING CONDITION CHECK U401 - 17 -
  • IBM 6656HG2 | Service Manual - Page 18
    R558 R557 R556 R555 R554 C543 C542 - 18 - PRINTED CIRCUIT BOARD 1. MAIN BOARD (Component Side) P/N :6870T326A12 DATE :2001.07.16 MODEL:LI561G(IBM) R563 R562 R561 R560 R559 R809 C833 C834 R545 R543 C541 C540 L805 Q705 C712 Q704 C711 R739 R742 R741 J704 R710 L707 R740 R743
  • IBM 6656HG2 | Service Manual - Page 19
    2. MAIN BOARD (Solder Side) R709 R708 R707 R706 R705 R704 R703 R702 R701 R728 R726 R725 R722 R723 R724 C839 R810 C838 C850 C254 C253 C252 C251 C248 C247 C246 C245 C244 C243 C242 C241 C240 C239 C237 C407 C406 C413 C412 C410 C409 C403 R403 C402 C411 R405 C408 C420 C419 R9 C405
  • IBM 6656HG2 | Service Manual - Page 20
    EXPLODED VIEW - 20 - 1 5 6 7 2 8 9 10 11 3 4 13 12 15 16 17 32 31 18 19 20 24 23 30 29 28 26 25 21 22 14 27
  • IBM 6656HG2 | Service Manual - Page 21
    7 6871TST252A PWB(PCB) ASSEMBLY,SUB, LI561G CONTROL TOTAL IBM T565 8 4810TKK161A BRACKET, LI561G HOLDER INVERTER 9 6633TZA003J INVERTER (STEALTH BLACK) 4810TKK172B BRACKET, LI561G GUIDE HINGE ROTATE (PEARL WHITE) 16 4810TKK172A BRACKET HINGE GUIDE ROTATE (STEALTH BLACK) 17 4951TKK059B METAL
  • IBM 6656HG2 | Service Manual - Page 22
    No. Part No. DESCRIPTION 4950TKK322B METAL SUPPORT AL DIE-CASTING (PEARL WHITE) 24 4950TKK322A METAL SUPPORT AL D CASTING LI561G (STEALTH BLACK) STAND BOTTOM (RAVEN BLACK) 29 3313TL5032A MAIN TOTAL ASSEMBLY, LI561G IBM CL-25 30 4950TKK321A METAL SHIELD MAIN LI561G 3550TKK198B COVER LI561G STAND
  • IBM 6656HG2 | Service Manual - Page 23
    LIST CAUTION: BEFORE REPLACING ANY OF THESE COMPONENTS, READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL. * NOTE : S SAFETY Mark AL ALTERNATIVE PARTS MODEL: T560(6656-HW2)/ T560(6656-HG2) DATE: 2001. 8. 17. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION MAIN BOARD CAPACITORS C201
  • IBM 6656HG2 | Service Manual - Page 24
    10% R/TP B(Y5P 0.1UF 1608 50V 10% R/TP X7R 0.01UF 1608 50V 10% R/TP B(Y5P 0.1UF 1608 50V 10% R/TP X7R MODEL: T560(6656-HW2)/ T560(6656-HG2) DATE: 2001. 8. 17. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C836 C837 C838 C839 C840 C841 C842 C843 C850 0CK104CK56A 0CH8107F611 0CC102CK41A
  • IBM 6656HG2 | Service Manual - Page 25
    TP 100 OHM 1/10 W 5% 1608 R/TP 100 OHM 1/10 W 5% 1608 R/TP 100 OHM 1/10 W 5% 1608 R/TP 33K OHM 1/10 W 5% 1608 R/TP MODEL: T560(6656-HW2)/ T560(6656-HG2) DATE: 2001. 8. 17. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R509 R510 R511 R512 R516 R517 R518 R519 R520 R521 R522 R523 R525 R529
  • IBM 6656HG2 | Service Manual - Page 26
    MODEL: T560(6656-HW2)/ T560(6656-HG2) DATE: 2001. 8. 17. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R727 R728 R734 R735 R736 R737 R738 R739 R740 R741 R801 R802 R803 R804 R805
  • IBM 6656HG2 | Service Manual - Page 27
    PIN CONFIGURATION L4973V3-L4973V5 L4973D3-L4973D5 3.5A STEP DOWN SWITCHING REGULATOR Pin Configuration OSC OUT OUT GND GND GND VCC VCC BOOT 1 18 2 17 3 16 4 15 5 14 6 13 7 12 8 11 9 10 D94IN162A DIP18 SYNC SS V5.1 GND GND GND VFB COMP INH OSC OUT OUT GND GND GND GND VCC VCC
  • IBM 6656HG2 | Service Manual - Page 28
    SCHEMATIC DIAGRAM 1. VIDEO PROCESSOR (GM5020) - 28 -
  • IBM 6656HG2 | Service Manual - Page 29
    2. PANEL-LINK - 29 -
  • IBM 6656HG2 | Service Manual - Page 30
    3. MICOM - 30 -
  • IBM 6656HG2 | Service Manual - Page 31
    4. DC/DC CONVERTER - 31 -
  • IBM 6656HG2 | Service Manual - Page 32
    5. CONNECTOR & JACKS - 32 -
  • IBM 6656HG2 | Service Manual - Page 33
    6. KEY PART - 33 -
  • IBM 6656HG2 | Service Manual - Page 34
    Aug. 2001 Printed in Korea P/NO : 3828TSO018G
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COLOR MONITOR
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT,
READ THE
SAFETY PRECAUTIONS
IN THIS MANUAL.
MODEL: T560 (6656-HW2)
T560 (6656-HG2)