HP Compaq L1702-FP7317_LCD Service Manual

HP L1702/FP7317 Service Manual

SERVICE MANUAL17 LCD Monitor HP Compaq

L1702 Model

F7317 Model

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. MANUFACTURE DATA Jan-12-2004 Update DATA Jun-10-2004

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Table of ContentsTable of Contents Revision List ---------------------------------------------------------------------------------- 02

---------------------------------------------------------------------------------------- 04 --------------------------------------------------------------------- 05 --------------------------------------------------------------------- 05 ---------------------------------------------------------------06

1.Configurations 2.Product Feature

3. LCD Monitor Description 4. Operation Instructions 4.1 General Instructions 4.2 Control Button

--------------------------------------------------------------------07 ------------------------------------------------------------------07

-------------------------------------------------------------------------07 ----------------------------------------------------------------08 ------------------------------------------------------------------ 09 ------------------------------------------------------------------09 -------------------------------------------------------09

4.3 Adjusting The Picture 5. Input/Output Specification 5.1 Input Signal Connector

5.1.1 Analog D-SUB Connector

5.2 Factory Preset Display Modes --------------------------------------------------------10 5.3 Power Supply Requirements ----------------------------------------------------------10 ------------------------------------------------------10

5.3.1 Input/Output Requirements 5.3.2 Inverter Max Brightness 5.3.3 Inverter Min Brightness

-----------------------------------------------------------11 ------------------------------------------------------------11 ---------12

5.4 Panel Specification (AU EN05/QDI L07/Hydis E13-100/LG E01) 5.4.1 Panel Feature

---------------------------------------------------------------------12 ------------------------------------------------------------13 -----------------------------------------------------------15 --------------------------------19

5.4.2 Display Characteristics 5.4.3 Optical Characteristics

5.4.4 Parameter guide line for CCFL Inverter 6. Block Diagram

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6.1 Monitor Exploded View 6.2 Software Flow Chart

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6.3 Electrical Block Diagram 6.3.1 Scalar Board

----------------------------------------------------------------------23 -----------------------------------------------------------24

6.3.2 Inverter/Power Board 7. Schematic

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7.1 Scalar Board ----------------------------------------------------------------------------26 7.2 Inverter/Power Board 7.3 Key Pad Board 7.4 Audio Board 8. PCB Layout --------------------------------------------------------------29

-------------------------------------------------------------------------31 ---------------------------------------------------------------------------32

--------------------------------------------------------------------------------------33

8.1 Main Board -----------------------------------------------------------------------------33 8.2 Inverter/Power Board ----------------------------------------------------------------34 8.3 Keypad Board -------------------------------------------------------------------------368.4 Audio Board 9. Maintainability ---------------------------------------------------------------------------37

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9.1 Equipments and Tools Requirements ---------------------------------------------37 9.2 Trouble Shooting -----------------------------------------------------------------------38 -------------------------------------------------------------------38 -------------------------------------------------------39

9.2.1 Main Board

9.2.2 Power/Inverter Board

9.2.3 Key Pad Board -----------------------------------------------------------------4110. White-Balance, Luminance Adjustment 11. EDID Content 12. BOM List ----------------------------------------------- 42

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12.1 L1702 Model 12.2 F7317 Model

---------------------------------------------------------------------4475 --------------------------------------------------------------------75~107 --------------------------------------------------------------108~125 -----------------------------------------------------------125~143

12.3 LG Panel Model

12.4 Hydis Panel Model

Revision ListRevisionV1.0 V2.0

DateJan-12 Jun-10

Change DescriptionInitial Release Add Panel Spec and BOM of LG & Hydis panel model Update the BOM list of AU Panel model

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1.CONFIGURATIONSThe configurations information in this section is provided for reference only. Consult the SKU Matrix for each kit (typically a boxed monitor assembly with cushions, power cord, etc.) MODEL FP7317 F1723 VF17 FP17 L1702 L1702m L1702C BRANDING Compaq Consumer HP Consumer HP CTO Compaq CTO HP Commercial HP Commercial HP Commercial COLORS Compaq Silver Carbon Platinum Blue Dusk Lake Platinum Blue Dusk Lake Compaq Silver Carbon Compaq Silver Carbonite Compaq Silver Carbonite Carbonite SPEAKERS Yes Yes No No No Yes No BEZEL FP7317 f1723 vf17 FP17 1702 1702m 1702 EDID # CPQ 145B HWP 2609 HWP 260A CPQ 145E HWP 2601 HWP 2601 HWP 2601

2. PRODUCT FEATURE43.2cm(17) a-si TFT Active matrix LCD panel, 0.264mm dot pitch Scalar chipset MST9151B 16 factory presets, 20 new modes Vertical refresh rate 55Hz to 75Hz; Horizontal frequency 30kHz to 83kHz Power Internal AC 100V-240V(+/-10%) Tilt -5 to 20 CE mark TCO 99 mark VESA DPMS compliant VESA DDC2B compliant

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3. LCD MONITOR DESCRIPTIONThe LCD Monitor will contain main board, power board, key board and which house the flat panel control logic, brightness control logic and DDC. 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

CCFT Drive.

Flat Panel and CCFL backlight

Power Board

Main Board

RS232 Connector For white balance adjustment in factory mode

Keyboard

AC-IN 90V-264V

HOST Computer

Video signal, DDC

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4. OPERATION INSTRUCTIONS4.1 General Instructions Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal performance. - The power cord should be connected and insert to adaptor. - Connect the video cable from the monitor to the computer VGA card. - Press the power button to turn on the monitor, the power indicator will light up to Green. 4.2 Control Buttons - Power Button: When pressed, the monitor enters the off mode, and the LED turns blank. Press again to restore normal status. - (Down/ Auto) and + (Up) Button: The -/+ Button is browse OSD key. Press a select into adjustment. The Auto Adjust Key is used to automatically set the H Position, V Position, Clock and Phase. - Select Key: Select key is into OSD sub-menu hot key when OSD turn on. - Power Indicator: Green Power On mode. Amber Power Saving mode. Blank Power Off Mode.

CONTROL BUTTONS

Model: L1702

Select Button

Down / Auto Button

Up Button

On/Off Switch

Model: F7317

Speaker

Select Button

Down / Auto Button

Up Button

On/Off Switch

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4.3 Adjust The Picture

1. 2.

Brightness

Adjust the brightness. Adjust the contrast

Contrast

3.

Adjust the: z Auto Adjustment: Adjusts the main settings and produces a stable, centered image. Image Control z H-Position: horizontal position of the screen image. z V-Position: vertical position of the screen image. z Clock: frequency of the pixel clock to minimize vertical bar. z Phase: phase value to minimize horizontal jitters. z z z 9300K: recall 9300K color 6500K-sRGB: recall 6500K sRGB color Custom Color: adjusts the color tint of white, and the red, green, and blue (RGB) mix for colors.

3.

Color

4. 5.

Language

Shows the language of the OSD window. z z z z z Power Saver: enable/disable power saving Power On Recall: enable/disable power recall Mode Display: enable/disable mode display Sleep Timer: set sleep timer Basic Menu: set to basic menu

Management

6.

OSD Control Factory Reset Exit

OSD (on Screen Display) settings: adjusts the H/V position, timeout, On Screen Display window. Resets the display to original factory settings for color, brightness, phase, and clock. Closes the OSD window.

7. 8.

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5. Input/Output Specification 5.1 Input Signal Connector5.1.1 Analog D-SUB Connector PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 MNEMONIC RV GV BV NC GND RG GG BG +5 V SG NC SDA HS VS SCL Red Video Green Video Blue Video None Ground (DDC Return) Red GND Green GND Blue GND +5 V (from PC) Sync Ground None DDC Data Horizontal Sync Vertical Sync DDC Clock SIGNAL

VGA connector layoutPIN 1 PIN 5

PIN 11

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5.2 Factory Preset Display ModesPreset 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Pixel Format 640 x 480 640 x 480 640 x 480 720 x 400 800 x 600 800 x 600 800 x 600 832 x 624 1024 x 768 1024 x 768 1024 x 768 1152 x 870 1152 x 900 1280 x 1024 1280 x 1024 Horz Freq (KHz) 31.469 37.861 37.500 31.469 37.879 48.077 46.875 49.726 48.363 56.476 60.023 68.68 71.71 63.98 79.97 Horz Polarity +

Vert Freq (Hz) 59.940 72.809 75.000 70.087 60.317 72.188 75.000 74.551 60.004 70.069 75.029 75.06 76.05 60.02 75.02

Vert Polarity + + + + + + +

Pixel Clk (MHz) 25.175 31.500 31.500 28.322 40.000 50.000 49.500 57.284 65.000 75.000 78.750 100.000 105.561 108.000 135.000

Source VGA VESA VESA VGA VESA VESA VESA MAC VESA VESA VESA Mac Sun VESA VESA

+ + + + +

5.3 Power Supply Requirements 5.3.1 Input / Output RequirementsPARAMETER AC Input Voltage AC Input Frequency AC Input Current Inrush Current Leakage Current Output voltage / current Output power Efficiency Saving Mode 90 to 264V 47 to 63 Hz 1.5A MAX 60A MAX AT 264VAC COLD START 3.5 mA MAX and less than 0.25mA at 100Vac 12V / 2.5A , 45W Max >80%

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HP Compaq L1702-FP7317_LCD Service Manual