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HP LP2065 Service Manual
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HP LP2065 Service Manual

Hp lp2065 color monitor service manual
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See also: User Manual

COLOR MONITOR

SERVICE MANUAL

CHASSIS NO. : CL-96
MODEL: LP2065
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

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Summary of Contents for HP LP2065

  • Page 1: Color Monitor

    COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-96 MODEL: LP2065 CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Table Of Contents

    CONTENTS SPECIFICATIONS ........... 2 SERVICE OSD ............14 PRECAUTIONS ............4 TROUBLESHOOTING GUIDE ......15 TIMING CHART ............8 WIRING DIAGRAM ..........19 DISASSEMBLY ............9 EXPLODED VIEW...........20 BLOCK DIAGRAM ..........10 REPLACEMENT PARTS LIST .......22 DESCRIPTION OF BLOCK DIAGRAM....11 ADJUSTMENT ............13 SCHEMATIC DIAGRAM .........

  • Page 3: Signal Connector Pin Assignment

    Signal Connector Pin Assignment • DVI-I Connector (Digital/Analog) Signal (DVI-I) Signal (DVI-I) T. M. D. S. Data2- Hot Plug Detect T. M. D. S. Data0- T. M. D. S. Data2+ T. M. D. S. Data2/4 Shield T. M. D. S. Data0+ T.

  • Page 4: 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 5: 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 6 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 7 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"...

  • Page 8: Timing Chart

    TIMING CHART VIDEO SYNC Total Total Front Sync Back Video Sync MODE H / V Frequency Period Period Porch Duration Porch Resolution Active Polarity Clock ( E ) ( E ) ( C ) ( D ) Time ( A ) ( F ) 28.35 31.500 KHz...

  • Page 9: Disassembly

    DISASSEMBLY Like the picture move. Remove the stand. Remove the screws. Remove the screws. Disassemble back cover. 1. Pull the front cover upward. 2. Then, let the all latches are separated. 3. Put the front face down. Remove the 4 screws from each side of metal Pull out the usb pcb.

  • Page 10: Block Diagram

    BLOCK DIAGRAM DVI-1 DVI-2 Analog-2 Analog-1 - 10 -...

  • Page 11: Description Of Block Diagram

    DESCRIPTION OF BLOCK DIAGRAM 1. Video Controller Part & Display Data Transmitter Part.(MST9251A) 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.

  • Page 12: Lips Board Block Diagram

    LIPS Board Block Diagram 50 ~ 60Hz 100KHz HVDC ENERGY INPUT RECTIFIER OUTPUT RECTIFIER TRANSFER COMPONENTS AND FILTER AND FILTER LINE 100 ~ 240V SIGNAL PWM CONTROL COLLECT- PHOTO COUPLER CIRCUIT ISOLATION PRIMARY SECONDARY High Voltage output INVERTER CIRCUIT Operation description_LIPS 1.

  • Page 13: Adjustment

    ADJUSTMENT Windows EDID V1.0 User Manual 2. EDID Read & Write 1) Run WinEDID.exe 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.

  • 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 MENU, MINUS and POWER switch with 1 second interval. 3) The SVC OSD menu contains additional menus that the User OSD menu as described below. a) Exit b) ADC CAL.

  • Page 15: Troubleshooting Guide

    TROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) CHECK POWER BOARD, AND FIND OUT A SHORT CHECK J303 VOLTAGE POINT AS OPENING PIN5, PIN6 (5V)? EACH POWER LINE CHECK CHECK 5VS LINE U501 PIN 8 (OPEN CHECK) VOLTAGE (5V)? NO PROBLEM CHECK KEY CONTROL CONNECTOR ROUTINE...
  • Page 16 2. NO RASTER (OSD IS NOT DISPLAYED) – LIPS NO RASTER (OSD IS NOT DISPLAYED) J303 CHECK LIPS PIN5, 6 CHECK MICOM INV J303 PIN 9 ON/OFF PORT. 1. CONFIRM BRIGHTNESS OSD CONTRL STATE. J303 PIN 10 2. CHECK MICOM DIM-ADJ PORT CHECK PULSE AS...
  • Page 17 3. NO RASTER (OSD IS NOT DISPLAYED) - MAIN NO RASTER (OSD IS NOT DISPLAYED) U401 PIN102 (3.3V) CHECK U205 ~ U207 PIN102 (2.5V) 1. CHECK PIN 202, 203 U401 SOLDERING CONDITION PIN 202, 203 2. CHECK X401 14.318MHZ? 3. TROUBLE IN U201 U401 PIN18,36 IS 64KHz H-SYNC? CHECK CONNECTION LINE...
  • Page 18 4. TROUBLE IN DPM TROUBLE IN DPM CHECK U401 PIN 18,19,36,37 CHECK H/V SYNC LINE SYNC PULSE? TROUBLE IN U401 Waveforms 5 U401-#18,36 H-SYNC 5 U401-#19,37 V-SYNC - 18 -...

  • Page 19: Wiring Diagram

    WIRING DIAGRAM 6631900055A 6631T20034M 6631T20034E 6631900053B - 19 -...

  • Page 20: Exploded View

    EXPLODED VIEW - 20 -...
  • Page 21 SMPS,AC/DC, FSP060-3PI01 110.0VTO230.0V 60W 50TO60HZ - 20.1INCH LCD 33139L2008A Main Total Assembly, LH2065N H/PACKARD CL-96. 68719ST864A PCB Assembly,Sub, SUB T.T CL96 LH2065N KLUSEPT - 48149K0019A Plate, PRESS SPTE T0.3 USB SHIELD LH2065N HP 4814TKK264A Plate, PRESS SECC T0.3 INVERTER LL180PL SHIELD 49519S0015A Plate Assembly, FRAME HP 49509K0278A...

  • 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: 2006. 11. 20. DATE: 2006. 11. 20. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC.
  • Page 23 DATE: 2006. 11. 20. DATE: 2006. 11. 20. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C419 0CK473CK56A C1608X7R1H473KT 47nF 10% 50V C613 0CC360CK41A C1608C0G1H360JT 36pF 5% 50V C420 0CC100CK41A C1608C0G1H100JT 10pF 5% 50V C614 0CK104CK56A...
  • Page 24 DATE: 2006. 11. 20. DATE: 2006. 11. 20. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION TRANSISTOR ZD301 0DZ560009DA UDZS5.6B 5.6V 5.49TO5.73V 60 ZD302 0DZ560009DA UDZS5.6B 5.6V 5.49TO5.73V 60 Q201 0TR390409AE KST3904 NPN 6V 60V 40V 200MA ZD303...
  • Page 25 DATE: 2006. 11. 20. DATE: 2006. 11. 20. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R3035 0RJ3301D677 MCR03EZPJ332 3.3KOHM 5% 1/10 R384 0RJ4701D677 MCR03EZPJ472 4.7KOHM 5% 1/10 R304 0RJ0102D677 MCR03EZPJ100 10OHM 5% 1/10W R385 0RJ4701D677...
  • Page 26 DATE: 2006. 11. 20. DATE: 2006. 11. 20. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R530 0RJ4701D677 MCR03EZPJ472 4.7KOHM 5% 1/10 RA410 0RJ0222C687 RCA86TRJ22R0 22OHM 5% 1/16W R532 0RJ3301D677 MCR03EZPJ332 3.3KOHM 5% 1/10 RA412 0RJ0222C687...

  • Page 27: Schematic Diagram

    SCHEMATIC DIAGRAM 1. SCALER (MST9251A) / MEMORY - 27 -...
  • Page 28 2. POWER - 28 -...
  • Page 29 3.CONNECTOR & JACK - 29 -...
  • Page 30 4. MICOM - 30 -...
  • Page 31 5. USB HUB - 31 -...
  • Page 32 Nov. 2006 P/NO : 38289S0017L Printed in Korea...

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