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SERVICE MANUAL 15” LCD Monitor VS15 Series 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.
HP VS15 Service Manual 3. Operation Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control buttons are located on the side of the front panel. By changing these settings, the picture can be adjusted to your personal performance.
HP VS15 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.
HP VS15 Service Manual 1024 x 768 48.4 60.0 1024 x 768 56.5 70.0 1024 x 768 60.0 75.0 4.3 Power Supply Requirements PARAMETER RANGE AC Input Voltage 90 to 264V AC Input Frequency 47 to 63 Hz Inrush Current...
HP VS15 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.
HP VS15 Service Manual 7.2 For CPT Panel (Scaler:ADE3800SXL) 7.2.1 Main Board 1/16W DB-RXD R101 RS232-RX [5] 2.7K 1/16W C100 D100 R100 56pF AGND1 L101 1/16W R104 1/16W C102 0.1uF INR+ [3] R-GND L102...
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HP VS15 Service Manual OVDD18 VDDPLL18 RSDS_B1- RSDS_B1- [4] L100 120 OHM RSDS_B1+ RSDS_B1+ [4] Kona Exposed Pad Size 3.9mmx3.9mm. RSDS_B2- RSDS_B2- [4] RSDS_B2+ Put vias on the expose pad. RSDS_B2+ [4] C118 C119 C120 C121 C122 C123 C124 C125 Don't put green-mask in vias of expose pad.
HP VS15 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.
HP VS15 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 power section...
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HP VS15 Service Manual No picture (LED is orange) No picture Y601 oscillate waveforms Key is under control? are normal Replace Y601 X401 oscillate waveforms are normal Replace U601 Replace X401 Replace U401 Check if the sync signal from computer is output and video...
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HP VS15 Service Manual Panel Power Circuit Measure Q204 base is high level? Y601 oscillate waveforms are normal Check Q204 and Q203 Replace Y601 are broken or CN503 Replace U601 Check Correspondent component. Replace U401 Replace PANEL...
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HP VS15 Service Manual 9.2.2 Power Board No Power No power Check AC line volt 110V or 220V Check AC line Check the voltage of C905(+) Check F901, bridge rectified circuit Check start voltage for the pin3 of IC901 Check R906, R907,IC901...
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HP VS15 Service Manual No Backlight Check C201(+) =12V Change F902 Check D201/Q209/Q210 Check ON/OFF signal Check Interface board Check U201 pin9=12V voltage Change Q201 or Q202 Check the pin1 of U201 have saw tooth wave Change U201 Check D201(-) have the output of square wave at short time.
HP VS15 Service Manual 9.2.3 Keypad Board OSD is unstable or not working Is Keypad board connecting normally Connect Keypad Board Is Button Switch normally Replace Button Switch Replace Keypad Board Is Keypad board normally Check main board...
C. SRGB SRG color temp. parameter is x = 313±10, y = 329 ±10, Y = 210 ±10 cd/m 3. Into factory mode of HP L1902 A. Press MENU button during 2 seconds along with press Power button will activate the factory mode, then MCU will do AUTO LEVEL automatically.
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HP VS15 Service Manual 7. Repeat above procedure ( item 4,5,6) until chroma 7120 RGB value meet the tolerance =100±2 B. Adjust SGB color-temperature 1. Switch the chroma-7120 to RGB-Mode (with press “MODE” button ) 2. Switch the MEM .Channel to Channel 4( with up or down arrow on chroma 7120 ) 3.
HP VS15 Service Manual 12. BOM List T560KCFDKHHPA CBPC560KCFHPA CONVERSION BOARD KEPC561KD4 KEY BOARD PWPC1521CPH3 POWER BOARD 15L8118 2 MAIN FRAME 23L3178690 6A LOGO 33L4788 PD L STAND-CAP 34L1462APC B BEZEL 44L3577 1 44L3577 2 44L3577 3EPE 44L3577624 1A CARTON...
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