Related Manuals for IBM L190(9329-AB9)
Summary of Contents for IBM L190(9329-AB9)
- Page 1 MODEL: L190(9329-AB9) COLOR MONITOR SERVICE MANUAL Chassis No. : CL-66 CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
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Page 2: Table Of Contents
CONTENTS SPECIFICATIONS ........... 2 SERVICE OSD ............14 PRECAUTIONS ............3 TROUBLESHOOTING GUIDE ......15 TIMING CHART ............7 WIRING DIAGRAM ..........19 DISASSEMBLY ............8 EXPLODED VIEW...........20 BLOCK DIAGRAM...........10 REPLACEMENT PARTS LIST .......22 DISCRIPTION OF BLOCK DIAGRAM ....11 ADJUSTMENT ............13 SCHEMATIC DIAGRAM ......... -
Page 3: Precautions
PRECAUTION WARNING FOR THE SAFETY-RELATED COMPONENT. WARNING BE CAREFUL ELECTRIC SHOCK ! • There are some special components used in LCD monitor that are important for safety. These parts are • If you want to replace with the new backlight (CCFL) or marked on the schematic diagram and the inverter circuit, must disconnect the AC adapter... -
Page 4: Servicing Precautions
SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this 9. Use with this receiver only the test fixtures specified in service manual and its supplements and addenda, read this service manual. and follow the SAFETY PRECAUTIONS on page 3 of this CAUTION: Do not connect the test fixture ground strap publication. - Page 5 General Soldering Guidelines Replacement 1. Use a grounded-tip, low-wattage soldering iron and 1. Carefully insert the replacement IC in the circuit board. appropriate tip size and shape that will maintain tip 2. Carefully bend each IC lead against the circuit foil pad and solder it.
- Page 6 Circuit Board Foil Repair At Other Connections Excessive heat applied to the copper foil of any printed Use the following technique to repair the defective copper circuit board will weaken the adhesive that bonds the foil pattern at connections other than IC Pins. This technique to the circuit board causing the foil to separate from or involves the installation of a jumper wire on the "lift-off"...
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Page 7: Timing Chart
TIMING CHART VIDEO SYNC << Dot Clock (MHz), Horizontal Frequency (kHz), Vertical Frequency (Hz), Horizontal etc... (µs), Vertical etc... (ms) >> Video Total Sync Front Blanking Sync Period Duration Porch Time Active MODE H / V Frequency Resolution Polarity Clock ( E ) ( C ) ( B ) -
Page 8: Disassembly
DISASSEMBLY Disassembly Hinge Cover. Pull the Hinge Cover out From the Stand. Remove the screws. Pull the rear cover assy out from stand. Remove the three screws from the Back cover. Please remove the screw cover at the Back cabinet, then screw cover will be departed. 1. - Page 9 # 10 Detach Al-tape from panel. Remove te one screws for control pcb fix. # 11 # 12 Remove the 4 screws from each side of metal Disassemble inverter shield something thin. frame # 13 # 14 Pull out the lamp cables 1.
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Page 10: Block Diagram
BLOCK DIAGRAM - 10 -... -
Page 11: Description Of Block Diagram
DESCRIPTION OF BLOCK DIAGRAM 1. Video Controller Part. This part amplifies the level of video signal for the digital conversion and converts from the analog video signal to the digital video signal using a pixel clock. The pixel clock for each mode is generated by the PLL. The range of the pixel clock is from 25MHz to 135MHz. -
Page 12: Lips Board Block Diagram
LIPS Board Block Diagram 50 ~ 60Hz 100KHz HVDC INPUT RECTIFIER ENERGY OUTPUT RECTIFIER COMPONENTS AND FILTER TRANSFER AND FILTER LINE 100 ~ 240V SIGNAL PWM CONTROL PHOTO -COUPLER COLLECT- CIRCUIT ISOLATION PRIMARY SECONDARY High Voltage output INVERTER CIRCUIT Operation description_LIPS 1. -
Page 13: Adjustment
ADJUSTMENT Windows EDID V1.0 User Manual Operating System: MS Windows 98, 2000, XP Port Setup: Windows 98 => Don’t need setup Windows 2000, XP => Need to Port Setup. This program is available to LCD Monitor only. 1. Port Setup a) Copy “UserPort.sys”... -
Page 14: Service Osd
SERVICE OSD 1) Turn off the power switch at the front side of the display. 2) Wait for about 5 seconds and press EXIT, POWER switch with 1 second interval. 3) The SVC OSD menu contains additional menus that the User OSD menu as described below. a)Module select : Select applied module. -
Page 15: Troubleshooting Guide
TROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) CHECK POWER CHECK J705 BOARD, AND FIND VOLTAGE OUT A SHORT POINT PIN5, PIN6 (5V)? AS OPENING EACH POWER LINE CHECK U801 PIN 1& U803 CHECK U801. PIN 3 VOLTAGE (5V) ? CHECK CHECK 5VR LINE... - Page 16 2. NO RASTER (OSD IS NOT DISPLAYED) – LIPS NO RASTER (OSD IS NOT DISPLAYED) J705 CHECK LIPS PIN5, PIN 6 CHECK MICOM INV J705 PIN2 ON/OFF PORT. 2.5V? (U501 PIN9) 1. CONFIRM BRIGHTNESS OSD CONTRL STATE. J705 PIN1 2. CHECK MICOM DIM-ADJ PORT(U501 PIN41) CHECK PULSE AS...
- Page 17 3. NO RASTER (OSD IS NOT DISPLAYED) – gmZAN3SL NO RASTER (OSD IS NOT DISPLAYED) U201 CHECK U803, U801 POWER PINS 3.3V? 1. CHECK PIN88 U201 SOLDERING CONDITION PIN88 2. CHECK X501 OSCILLATE AS 3. TROUBLE IN U201 12MHZ? U501 PIN43 IS 64KHz H-SYNC? CHECK CONNECTION LINE PIN44 IS 60Hz V-SYNC?
- Page 18 4. NO RASTER (OSD IS DISPLAYED) – gmZAN3SL NO RASTER (OSD IS DISPLAYED) U201 POWER PIN99(1.8V) CHECK U803, U801 PIN33(3.3V) 1. CHECK PC CHECK 2. CHECK SIGNAL R,G,B INPUT? CABLE & D-SUB U201 PIN 70,74,77 CONNECTOR LINE CHECK CHECK H-SYNC LINE H-SYNC INPUT (D-SUB→U501 →U201 U201 PIN 95?
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Page 19: Wiring Diagram
WIRING DIAGRAM Connector Ass’y P/N: 6631T20023J Connector Ass’y P/N: 6631T11020W or 6631T11012W Power Board Main Board Control Board Connector Ass’y P/N: 6631T20022E - 19 -... - Page 20 - 20 -...
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Page 21: Exploded View Parts List
KNOB, TACT CONTROL LL190N IBM L190 6871TST799B PWB(PCB) ASSEMBLY,SUB, LL190N CONTROL TOTAL IBM CKD-NT 6871TPT306A PWB(PCB) ASSEMBLY,POWER, L190 & L170 POWER TOTAL IBM LIENCHANG LIPS FOR LPL & AUO 3313T19072B MAIN TOTAL ASSEMBLY, LL190N IBM CL-66 CKD-NT 4814TKK269A SHIELD, INVERTER LL170M... -
Page 22: Replacement Parts List
REPLACEMENT PARTS LIST CAUTION: BEFORE REPLACING ANY OF THESE COMPONENTS, READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL. * NOTE SAFETY Mark AL ALTERNATIVE PARTS DATE: 2004. 11. 12. DATE: 2004. 11. 12. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. - Page 23 DATE: 2004. 11. 12. DATE: 2004. 11. 12. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION CONTROL BOARD R522 0RJ4701D677 4.7K OHM 1/10 W 5% 1608 R/TP R523 0RJ4701D677 4.7K OHM 1/10 W 5% 1608 R/TP LED1 0DLLT0208AA LITEON LTST-C155KGJSKT R/TP...
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Page 24: Schematic Diagram
SCHEMATIC DIAGRAM 1. ZAN3SL - 24 -... - Page 25 2. MICOM - 25 -...
- Page 26 3. POWER - 26 -...
- Page 27 4. CONNECTOR & JACKS - 27 -...
- Page 28 5. CONTROL - 28 -...
- Page 29 Nov. 2004 Printed in Korea P/NO : 3828TSO049H...