HP L1506 Service Manual
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HP L1506 Service Manual

15"
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HP L1506 Service Manual

SERVICE MANUAL

15" LCD Monitor
L1506
THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY. EVERY REASONABLE EFFORT HAS
BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT GUARANTEE THE ACCURACY OF
THIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RELIABILITY FOR CHANGES, ERRORS
OR OMISSIONS.

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Summary of Contents for HP L1506

  • Page 1: Service Manual

    HP L1506 Service Manual SERVICE MANUAL 15” LCD Monitor L1506 THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY. EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT GUARANTEE THE ACCURACY OF THIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RELIABILITY FOR CHANGES, ERRORS...

  • Page 2: Table Of Contents

    HP L1506 Service Manual Table of Contents Table of Contents --------------------------------------------------------------------------------------------------------------------------------- 02 Revision List---------------------------------------------------------------------------------------------------------------------------------------- 04 1.Product Feature----------------------------------------------------------------------------------------------------------------------------------05 2.LCD Monitor Description --------------------------------------------------------------------------------------------------------------------05 3.Operation Instructions -------------------------------------------------------------------------------------------------------------------------06 3.1 General Instructions -----------------------------------------------------------------------------------------------------------------------06 3.2 Control Button ----------------------------------------------------------------------------------------------------------------------------07 3.3 Adjusting The Picture -------------------------------------------------------------------------------------------------------------------07 4. Input/Output Specification ----------------------------------------------------------------------------------------------------------------- 09 4.1 Input Signal Connector -----------------------------------------------------------------------------------------------------------------09...
  • Page 3 HP L1506 Service Manual 7. Schematic --------------------------------------------------------------------------------------------------------------------------------------18 7.1 Main Board -------------------------------------------------------------------------------------------------------------------------------18 7.2 Power Board -----------------------------------------------------------------------------------------------------------------------------24 8. PCB Layout ------------------------------------------------------------------------------------------------------------------------------------26 8.1 Main Board --------------------------------------------------------------------------------------------------------------------------------26 8.2 Inverter/Power Board -------------------------------------------------------------------------------------------------------------------27 8.3 Key board ---------------------------------------------------------------------------------------------------------------------------------28 9. Maintainability ---------------------------------------------------------------------------------------------------------------------------------29 9.1 Equipments and Tools Requirements ----------------------------------------------------------------------------------------------29 9.2 Trouble Shooting ------------------------------------------------------------------------------------------------------------------------30...

  • Page 4: Revision List

    HP L1506 Service Manual Revision List Revision Date Change Description TPV Model name Jun-21-05 Initial release T560KC4DKHHPNP 1. Product Feature LCD Panel Driving system TFT Color LCD...

  • Page 5: Lcd Monitor Description

    HP L1506 Service Manual Panel CLAA150XP02 Size 38.1cm(15.0") Pixel pitch 0.297mm( H )x 0.297mm( V ) Viewable angle 130˚ (H) 100˚ (V) Response time (typ.) <16 ms Brightness(Min) Contrast 400:1 Video Analog /Digital Sync. Type H/V TTL Input H-Frequency 30kHz – 63kHz...

  • Page 6: Operation Instructions

    HP L1506 Service Manual The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage. Monitor Block Diagram Flat Panel and CCFT Drive. CCFL backlight Power Board Main Board...

  • Page 7: Adjusting The Picture

    HP L1506 Service Manual When pressed, the monitor enters the off mode, and the LED turns blank. Press again to restore normal status. Left / Right Button: When the OSD show on screen, Left/Right Button are used to control the monitor functions. Press to switch functions or adjust settings.

  • Page 8: Input/Output Specification

    HP L1506 Service Manual Brightness Adjust the brightness. Contrast Adjust the contrast Adjust the: Auto Adjustment: Adjusts the main settings and produces a stable, centered image. Image H-Position: horizontal position of the screen image. Control V-Position: vertical position of the screen image.

  • Page 9: Factory Preset Display Modes

    HP L1506 Service Manual VGA connector layout PIN 1 PIN 5 PIN 11 4.2 Factory Preset Display Modes...

  • Page 10: Power Supply Requirements

    HP L1506 Service Manual Pixel Horz Freq Horz Vert Freq Vert Pixel Clk Preset Format (KHz) Polarity (Hz) Polarity (MHz) Source 640 x 480 31.469 59.940 25.175 640 x 480 37.861 72.809 31.500 VESA 640 x 480 37.500 75.000 31.500...

  • Page 11: Panel Specification

    HP L1506 Service Manual 5. PANEL SPECIFICATION 5.1 General Feature...

  • Page 12: Optical Characteristics

    HP L1506 Service Manual 5.2 Optical Characteristics...

  • Page 13: Block Diagram

    HP L1506 Service Manual 6. Block Diagram 6.1 Monitor Exploded View...

  • Page 14: Software Flow Chart

    HP L1506 Service Manual 6.2 Software Flow Chart MCU initialize. Is the eeprom blank? Program the eeprom by default values. Get the PWM value of brightness from eeprom. Check the pin PANEL1 and PANEL2 to tell which panel to get with it.

  • Page 15: Electrical Block Diagram

    HP L1506 Service Manual 6.3 Electrical Block Diagram 6.3.1 Scalar Board Block Diagram Panel Interface (CN503) Scalar TSU17AK (Include ADC, OSD) (U601) (U401) EPR_SDA DDC_SDA EPR SCL Hsync, DDC SCL Vsync EEPROM D-Sub Connector EEPROM Control Interface (U602) (CN301) (U301)
  • Page 16 HP L1506 Service Manual 6.3.2 Inverter / Power Board Block Diagram Inverter Block Diagram...
  • Page 17 HP L1506 Service Manual Power Block Diagram...

  • Page 18: Schematic

    HP L1506 Service Manual 7. Schematic 7.1 Main Board (715G1533-D-MS) SCHEMATIC HPQ2005 L1506/1706 GNDR GNDR GNDG GNDG DDC_CLK VCC1.8 VCC3.3 VAA1 VAA2 VAA3 VAA4 DDC_DAT GNDB GNDB ST_DET1 HSYNC HSYNC VSYNC VSYNC DDC_WP VCC1.8 3.INPUT VCC3.3 VAA1 DDC_WP ST_DET1 VAA2...
  • Page 19 HP L1506 Service Manual VCC5V+ VCC5V TO-252 VCC12V D202 U201 DIODE R202 VCC1.8 AZ1117D-1.8 CN201 　 1/16W VCC1.8 ON_OFF 　 R201 4.7K 1/16W C209 C210 C211 C212 VCC12V VCC12V D201 DIODE SCHOTTKY 　 C201 R212 4.7K 1/16W 47uF/16V 0.1uF 47uF/16V 0.1uF...
  • Page 20 HP L1506 Service Manual CN301 DB15 FB301 　 1/16W R301 　 1/16W C304 0.047uF 　 　 FB302 1/16W R302 1/16W C305 0.047uF D323 　 　 MLL5232B 5.6V FB303 1/16W R303 1/16W C306 0.047uF R304 　 1/16W C307 0.001uF D322 PC5V...
  • Page 21 HP L1506 Service Manual VCC3.3 FB401 VCC1.8 FB402 VCC3.3 VCC1.8 600 OHM 600 OHM C405 C414 10uF/16V 10uF/16V VPLL VDVI VDPLL C406 C407 C408 C409 C410 C411 C412 C413 C415 C416 C417 C418 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF...
  • Page 22 HP L1506 Service Manual CN501 CN502 PA[0..9] PA[0..9] CN503 LVA3P LVA3M FB0N RA3N RB3N LVACKP RA3P FB0P RB3P LVB0M RXO0- RXO0+ LVB0P LVACKM LVB1M RXO1- RXO1+ LVB1P LVA2P FB1N LVB2M RXO2- RXO2+ RA2N RB2N LVB2P LVA2M RA2P FB1P RB2P LVBCKM...
  • Page 23 HP L1506 Service Manual VCPU VCPU R602 RP601 RP602 RP603 　 　 R601 C601 1/16W 1/16W 　 1/16W RP604 0.1uF 　 　 1/16W 1/16W C602 R606 R607 22pF 　 1/16W 　 1/16W 　 1/16W R644 　 U601 1/16W EA/VP P0.0 Y601 P0.1...

  • Page 24: Power Board

    HP L1506 Service Manual 7.2 Power Board (include inverter and power) 715G508-1 R935 　 1206 R934 C931 　 1206 0.001uF/500V/1206 R906 　 1206 DB901 +12V U4KB80R R909 R907 L903 　 430K 1206 510K 1206 D902 C905 C930 R905 T901 SRF20150C 　...
  • Page 25 R825 330K/0805 Q801 R808 R812 　 0805 PMBS3904 R811 R805 　 0805 　 0805 R809 C804 MODEL:PWPC1521LGH1 PWPC1521CPH1 PWPC1521HSH1 AOC (Top Victory) Electronics Co., Ltd. Title HP 15'' ( L1506 ) Size Document Number Wednesday, June 01, 2005 Date: Sheet...

  • Page 26: Pcb Layout

    HP L1506 Service Manual 8. PCB Layout 8.1 MAIN BOARD (715G1533-D-MS)

  • Page 27: Inverter/Power Board

    HP L1506 Service Manual 8.2 INVERTER / POWER BOARD (715G1508-1)
  • Page 28 HP L1506 Service Manual 8.3 KEY BOARD ( 715G1532-D1-P) (715G1532-E-K)
  • Page 29 HP L1506 Service Manual 9. Maintainability 9.1 Equipments and Tools Requirement 1.) Multi-meter. 2.) Oscilloscope. 3.) Pattern Generator. 4.) DDC Tool with an IBM Compatible Computer. 5.) Alignment Tool. 6.) LCD Color Analyzer. 7.) Service Manual. 8.) User Manual.

  • Page 30: Main Board

    HP L1506 Service Manual 9.2 Trouble Shooting 9.2.1 Main Board No power No power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100-240 is normal Reinsert or check the Adapter/Inverter Measure U201 PIN2=1.8V...
  • Page 31 HP L1506 Service Manual No picture (LED orange) No picture The button if under X601 oscillate Replace X601 control waveform is normal Check Correspondent Check reset circuit of component U601 is normal Measure U201 PIN2=1.8V U202 PIN2=3.3V Replace U601 X401 oscillate...
  • Page 32 HP L1506 Service Manual White screen White screen Measure Q204 base X601 oscillate waveform is normal is high level? Replace X601 Check Q204,Q203 are Check reset circuit of broken or CN503 solder? U601 is normal Check Correspondent Check Correspondent component.

  • Page 33: Inverter Board

    HP L1506 Service Manual 8.2.2 Inverter Board No power No power Check AC line volt 110V or 220V Check AC line Check the voltage of C905(+) Check F901, BD901 Check start voltage for the pin3 of IC901 Check R906, R907, IC901...
  • Page 34 HP L1506 Service Manual No backlight Check C845 (+) =12V Check R839 Check D808/Q809 Check ON/OFF signal Check Interface board Check IC801 pin5=12V voltage Check Q806/Q807/Q812 Check the pin19/20 of IC801 if have waveforms Short Q808/Q809 S D ,if the picture normal...

  • Page 35: Key Pad Board

    HP L1506 Service Manual 8.2.3 Key Pad Board OSD is unstable or not working Connect Key Pad Board Is Key Pad Board connecting normally? Replace Button Switch Is Button Switch normally? Is Key Pad Board Normally? Replace Key Pad Board...

  • Page 36: White-Balance, Luminance Adjustment

    C. 6500K color: Don’t adjust, Custom requires. 3. Into factory mode of HP L1506 A. Press DOWN button during 2 seconds along with press Power button will activate the factory mode, then MCU will do AUTO LEVEL automatically. Meanwhile press MENU the OSD screen will located at THE LEFT TOP OF PANEL.

  • Page 37: Check List After Replacing Lcd Main Board

    HP L1506 Service Manual the value R=100 5. Adjust the GREEN of color 9300K on factory window until chroma 7120 indicator reached the value G=100 6. Adjust the BLUE of color 9300K on factory window until chroma 7120 indicator reached the value B=100 7.
  • Page 38 HP L1506 Service Manual and different models. Ⅱ. Steps of white-balance adjustment for LCD:(Take 17 ”HP LCD for example) 1. Required instruments: Chroma7120、Chroma2325（BGA265A） 。 First connect the instruments together and turn on the LCD power, then warm up for 30 minutes under full white screen mode.
  • Page 39 HP L1506 Service Manual 7. Select 7x00 item to adjust cool color-temperature and select 6x00 to adjust warm color- temperature. It can reach to the best effect through adjusting R/G/B value if it inclines to green or blue. 8. Select Exit to the upper menu after completing the adjustment. Then press POWER OFF to exit and save it.
  • Page 40 HP L1506 Service Manual “Data compare error ！” to indicate failure if the DDC-writing doesn’t perform well. Please check the appear power resource and the connection of the signal cable, then return to step 3 by pressing ENTER and re-do it.
  • Page 41 HP L1506 Service Manual 12. EDID 16 : 32 : 48 : 64 : 80 : 96 : 112:...

  • Page 42: Bom List

    HP L1506 Service Manual 13. BOM List T560KC4DKHHPNP Location Part No. for TPV Description CBPC560KC4HPNP CONVERSION BOARD KEPC560KHP5P KEY BOARD KEPC980KHP4P KEY BOARD PWPC1521CPH1P POWER BOARD 15G8159 3 MAIN FRAME 33G4856 EY L LOGO PLATE 33G4889 EY L STAND CAP...
  • Page 43 HP L1506 Service Manual Q1G 330 6120 SCREW 705G560KC87 02 AC SOCKET ASS'Y 705G560KF34002 15" LCD ASS'Y 705G560KP34005 15" LCD ASS'Y 750GLC50P021HZ CPT 15" 030 ZDB PANEL AIC560KC4HPNP MAIN BOARD 40G 457624 1B LABEL-CPU 40G 45762412B CBPC LABEL C202 67G215B221 4H LOW E.S.R 220UF +-20% 2...
  • Page 44 HP L1506 Service Manual C219 65G0603104 32 CHIP 0.1UF 50V X7R C304 65G0603473 32 CHIP 0.047UF 50V X7R C305 65G0603473 32 CHIP 0.047UF 50V X7R C306 65G0603473 32 CHIP 0.047UF 50V X7R C307 65G0603102 32 1000PF +-10% 50V X7R C308 65G0603473 32 CHIP 0.047UF 50V X7R...
  • Page 45 HP L1506 Service Manual C510 65G0603104 32 CHIP 0.1UF 50V X7R C511 65G0603104 32 CHIP 0.1UF 50V X7R C601 65G0603104 32 CHIP 0.1UF 50V X7R C602 65G0603220 31 CER1 0603 NP0 50V 22P P C604 65G0603220 31 CER1 0603 NP0 50V 22P P...
  • Page 46 HP L1506 Service Manual Q201 57G 417 4 PMBS3904/PHILIPS-SMT(04 Q202 57G 417 4 PMBS3904/PHILIPS-SMT(04 Q203 57G 763 1 A03401 SOT23 BY AOS(A1) Q204 57G 417 4 PMBS3904/PHILIPS-SMT(04 Q301 57G 417 4 PMBS3904/PHILIPS-SMT(04 Q601 57G 417 6 PMBS3906/PHILIPS-SMT(06 Q603 57G 417 6...
  • Page 47 HP L1506 Service Manual R318 61L0603472 RST SM 0603 RC0603 4K7 R319 61L0603223 CHIPR 22K OHM +-5% 1/10 R325 61L0603750 RST SM 0603 RC22H 75R P R326 61L0603750 RST SM 0603 RC22H 75R P R327 61L0603750 RST SM 0603 RC22H 75R P...
  • Page 48 HP L1506 Service Manual R629 61L0603472 RST SM 0603 RC0603 4K7 R636 61L0603101 RST SM 0603 RC0603 100R R641 61L0603000 RST SM 0603 JUMP MAX 0R R644 61L0603103 RST SM 0603 RC0603 10K R645 61L0603103 RST SM 0603 RC0603 10K...
  • Page 49 HP L1506 Service Manual C902 65G305M2222BP 2200PF +-20% C904 67G215S471 3K EC 470UF 16V C905 67G215S10115K 100UF 450V C906 67G215S471 3K EC 470UF 16V C908 67G215S471 3K EC 470UF 16V C909 67G215S471 3K EC 470UF 16V C911 67G215S471 3K EC 470UF 16V...
  • Page 50 HP L1506 Service Manual C823 65G0805104 22 0.1UF +-10% 25V X7R 080 C828 65G0805104 22 0.1UF +-10% 25V X7R 080 C829 65G0805473 22 SMD 47nf +-10%25V XTR C832 65G0805472 31 CHIP 4700PF 50V X7R 080 C833 65G0805104 22 0.1UF +-10% 25V X7R 080...
  • Page 51 HP L1506 Service Manual R801 61L0805682 CHIP 6.8KOHM 5% 0805 1/ R802 61L0805134 CHIP 130KOHM+-5% 1/8W R803 61L0805471 CHIPR 470 OHM+-5% 1/8W R804 61L0805681 680 OHM 1/10W R805 61L0805102 CHIPR 1K OHM +-5% 1/8W R806 61L0805681 680 OHM 1/10W R808...
  • Page 52 HP L1506 Service Manual R911 61L0805151 CHIP ISO HM 5% 1/8W R912 61L0805750 2F cHIP 75KOHM 1% 1/8W R913 61L0805100 3F CHIP 100KOHM +-1% 1/8W R914 61L1206339 CHIP 3.3OHM 1/4W R916 61L1206101 CHIP 100 OHM 5% 1/4W R918 61L1206100 CHIPR 10 OHM+-5% 1/4W...
  • Page 53 HP L1506 Service Manual NR901 6G 31502 1.5MM RIVET PT801 6G 31502 1.5MM RIVET R823 61L212Y625 KT 6.2M 3KV KAMAYA T901 6G 31502 1.5MM RIVET M1G1730 8128 SCREW M3x8 90G6064 1 HEAT SINK Q903 57G 667 30 2SK2645 M1G1730 8128...

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