HP Mannequin (f1503) Service Manual
SERVICE MANUAL
15” LCD Monitor
f1503
P/N:
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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HP Mannequin (f1503) Service Manual
I. Revision List
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HP Mannequin (f1503) Service Manual |
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II. Table of Contents |
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I. Revision List ............................................................................................................................. |
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II. Table of Contents .................................................................................................................... |
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1. MONITOR SPECIFICATIONS ............................................................................................ |
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2. LCD MONITOR DESCRIPTION......................................................................................... |
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3. OPERATING INSTRUCTIONS............................................................................................ |
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3.1 |
General Instructions ............................................................................................................................. |
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3.2 |
Control Buttons .................................................................................................................................... |
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3.3 Adjust The Picture ................................................................................................................................ |
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4. Input/Outpt Specification ....................................................................................................... |
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4.1 |
Input Signal Connector.......................................................................................................................... |
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4.1.1 Analog D-SUB Connector............................................................................................................. |
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4.2 |
Factory Preset Display Modes............................................................................................................. |
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4.3 |
Power Supply Requirements ................................................................................................................ |
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4.3.1 Input Requirements ..................................................................................................................... |
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4.3.2 Output Requirements................................................................................................................... |
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4.4 PANEL SPECIFICATION (Hannstar ).............................................................................................. |
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4.4.1 Panel Feature ............................................................................................................................... |
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4.4.2 Display Characteristics................................................................................................................ |
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4.4.3 Optical Characteristics................................................................................................................. |
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4.4.4 Parameter guide line for CCFL Inverter...................................................................................... |
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5. Block Diagram ....................................................................................................................... |
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5.1 |
Monitor Exploded View ....................................................................................................................... |
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5.1.1 f1503............................................................................................................................................ |
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5.1.2 f1503............................................................................................................................................ |
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5.2 |
Software Flow Chart ............................................................................................................................ |
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5.3 |
Electrical Block Diagram..................................................................................................................... |
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5.3.1 Main Board.................................................................................................................................. |
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6. Schematic................................................................................................................................ |
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6.1 Main Board ........................................................................................................................................... |
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6.2 Power Board.......................................................................................................................................... |
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6.3 Key Board ............................................................................................................................................. |
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HP Mannequin (f1503) Service Manual |
7. PCB Layout............................................................................................................................ |
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7.1 Main Board ........................................................................................................................................... |
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7.2 Power Board.......................................................................................................................................... |
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7.3 Key Board ............................................................................................................................................. |
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8. Maintainability....................................................................................................................... |
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8.1 Equipments and Tools Requirement................................................................................................... |
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8.2 Trouble Shooting................................................................................................................................... |
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8.2.1 Main Board.................................................................................................................................. |
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8.2.2 Power Board ................................................................................................................................ |
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8.2.3 Key Board.................................................................................................................................... |
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8.3 Alignment Procedure............................................................................................................................ |
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8.4 DDC Writing......................................................................................................................................... |
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8.4.1 DDC Writing Procedure .............................................................................................................. |
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8.4.2 EDID Content.............................................................................................................................. |
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8.4.3 Serial Number Format ................................................................................................................. |
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9. Part Lists .............................................................................................................................. |
335 |
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HP Mannequin (f1503) Service Manual |
1. MONITOR SPECIFICATIONS |
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Driving system |
TFT Color LCD |
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LCD Panel |
Size |
38.1cm(15.0") |
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Pixel pitch |
0.297( H )x 0.297( V ) mm |
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Viewable angle |
130˚ (H) 100˚ (V) |
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Response time (typ.) |
35 ms |
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Video |
Analog |
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Input |
Sync. Type |
H/V TTL Separate and Composite Sync. |
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H-Frequency |
30kHz – 60kHz |
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V-Frequency |
56-75Hz |
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Display Colors |
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16.7 million Colors |
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Dot Clock |
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80MHz |
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Max. Resolution |
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1024 x 768 |
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Plug & Play |
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VESA DDC2BTM |
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Power Consumption |
ON Mode |
<22W |
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ON Mode (With Speaker) |
<34 W |
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Power Saving |
<2 W |
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Power Saving (With Speaker) |
<14 W |
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Switch Off |
<2 W |
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Switch Off (With Speaker) |
<14 W |
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Maximum Screen Size |
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Horizontal : 12.0”(304.128mm) |
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Vertical : 9.0”(228.096mm) |
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Power Source |
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90~264VAC,47~63Hz |
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Environmental |
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Operating Temp: 5°C to 35°C |
Considerations |
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Non-Operating Temp.: -20°C to 60°C |
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Operating Humidity : 20% to 80% |
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Weight (N. W.) |
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Package with Speaker |
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6.7Kgs Unit (net) |
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HP Mannequin (f1503) Service Manual
2. LCD MONITOR DESCRIPTION
The LCD MONITOR will contain an main board, an power board, key board and external adapter which house the flat panel control logic, brightness control logic and DDC.
The power board will drive the backlight of panel and the main board chips each voltage. An adapter will provide the 12V DC voltage to power conversion board.
Monitor Block Diagram
CCFT Drive. |
Flat Panel and |
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CCFL backlight |
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Power Board |
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Main Board |
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RS232 Connector |
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For white balance |
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adjustment in |
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factory mode |
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Keyboard |
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AC-IN |
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ADAPTER |
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HOST Computer |
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90V-264V |
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Video signal, DDC |
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HP Mannequin (f1503) Service Manual
3. OPERATING INSTRUCTIONS
3.1 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 blue.
3.2Control Buttons
-Power Button:
When pressed, the monitor enters the off mode, and the LED turns blank. Press again to restore normal status.
-- (Down / Brightness) and + (Up / Contrast) Button:
The -/+ Button is browse OSD key. Press a select into adjustment.
-Auto / Select Key:
The Auto Adjust Key is used to automatically set the H Position, V Position, Clock and Phase. Select key is into OSD sub-menu hot key when OSD turn on.
- Power Indicator:
Blue |
— Power On mode. |
Amber |
— Power Saving mode. |
Blank |
— Power Off Mode. |
CONTROL Buttons
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HP Mannequin (f1503) Service Manual
3.3 Adjust The Picture
1. |
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Brightness/ |
Adjust the brightness or the difference between the light and |
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Contrast |
dark area. |
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Adjust the: |
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z |
H-Position: horizontal position of the screen image. |
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Image Control |
z |
V-Position: vertical position of the screen image. |
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z |
Clock: frequency of the pixel clock to minimize vertical |
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bar. |
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z |
Phase: phase value to minimize horizontal jitters. |
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Displays a sub-menu with two option: |
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z |
Color: adjusts the color tint of white, and the red, |
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Advance |
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green, and blue (RGB) mix for colors. |
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z |
OSD (on Screen Display) settings: adjusts the |
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position, timeout, and notification features of the On |
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Screen Display window. |
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Auto |
Adjusts the main settings and produces a stable, centered |
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4. |
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Configuration |
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image. |
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Factory |
Resets the display to original factory settings for color, |
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settings |
brightness, phase, and clock. |
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Language |
Shows the language of the OSD window. |
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Shows the current resolution and refresh rate; |
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Information |
Shows the serial number of display; shows the power-on |
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time, and the power-saving time. |
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8. |
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Exit |
Closes the OSD window. |
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HP Mannequin (f1503) Service Manual
4. Input/Output Specification
4.1 Input Signal Connector
4.1.1 Analog D-SUB Connector
PIN |
MNEMONIC |
SIGNAL |
1 |
RV |
Red Video |
2 |
GV |
Green Video |
3 |
BV |
Blue Video |
4 |
NC |
None (available for mfg use if required) |
5 |
GND |
Ground (DDC Return) |
6 |
RG |
Red GND |
7 |
GG |
Green GND |
8 |
BG |
Blue GND |
9 |
+5 V |
+5 V (from PC) |
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SG |
Sync Ground |
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NC |
None (available for mfg use if |
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required) |
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SDA |
DDC Data |
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HS |
Horizontal Sync |
14 |
VS |
Vertical Sync |
15 |
SCL |
DDC Clock |
VGA connector layout
PIN 1 |
PIN 5 |
PIN 11 |
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HP Mannequin (f1503) Service Manual
4.2 Factory Preset Display Modes
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Horz |
Horz |
Vert |
Vert |
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Prese |
Pixel |
Freq |
Polarit |
Freq |
Polarit |
Pixel Clk |
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Format |
(KHz) |
y |
(Hz) |
y |
(MHz) |
Source |
1 |
640 x 350 |
31.469 |
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70.086 |
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25.175 |
VGA |
2 |
640 x 480 |
31.469 |
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59.940 |
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25.175 |
VGA |
3 |
640 x 480 |
37.500 |
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75.000 |
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31.500 |
VESA |
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4 |
720 x 400 |
31.469 |
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70.087 |
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28.322 |
VGA |
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800 x 600 |
37.879 |
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60.317 |
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40.000 |
VESA |
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800 x 600 |
46.875 |
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75.000 |
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49.500 |
VESA |
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1024 x 768 |
48.363 |
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60.004 |
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65.000 |
VESA |
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1024 x 768 |
56.476 |
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70.069 |
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75.000 |
VESA |
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1024 x 768 |
60.023 |
+ |
75.029 |
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78.750 |
VESA |
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HP Mannequin (f1503) Service Manual |
4.3 Power Supply Requirements |
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4.3.1 Input Requirements |
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PARAMETER |
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RANGE |
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CONDITION |
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Input Voltage |
90 to 264 VAC RMS |
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Universal input full range |
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Input Frequency |
60Hz @ 90VAC |
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60Hz @ |
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264VAC |
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Input Current |
Less than 2.0 Amps RMS |
Input voltage 100 VAC RMS ; 60 Hertz. Parameter |
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must be reached within 3 seconds of turn-on. |
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Less than 1.0 Amps RMS |
Input voltage 220 VAC RMS ; 50 Hertz. Parameter |
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must be reached within 3 seconds of turn-on. |
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Input Power |
Less than 75 Watts |
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Power factor > 0.5 |
Input voltage 120 VAC RMS ; 60 |
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Hertz |
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Inrush Current |
Less than 30 A peak |
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Input voltage 100 VAC RMS ; 60 Hertz at all |
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Phase(0, 90, 180, 270 degree) |
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Less than 50 A peak |
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Input voltage 240 VAC RMS ; 50 Hertz at all |
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Phase(0, 90, 180, 270 degree) |
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Input Fusing |
Fuse should be located internal to the |
Fuse must be UL/CSA approved. Fuse value must no |
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adapter, easily accessible when the |
have to change for 115 VAC or 230 VAC operation |
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cover is removed |
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Leakage Current |
Less than 3.5 mA |
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Input voltage 264 Volts RMS ; 50 Hertz |
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Hi-Pot |
Primary to secondary |
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1.5KVAC for 1 Minute(leakage current 10mA) |
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1.8KVAC for 1 Minute(leakage current 10mA) |
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3.0KVAC for 1 Minute(leakage current 10mA) |
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without Y-cap & Coupling cap. |
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Primary to Saft Ground |
1.5KVAC for 1 Minute(leakage current 10mA) |
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1.8KVAC for 1 Minute(leakage current 10mA) |
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4.3.2 Output Requirements |
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PARAMETER |
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RANGE |
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CONDITION |
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DC Out |
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12VDC ± 5% |
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Min 0A Max 3.75A |
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Load Regulation |
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12.0V(12.12V) ± 5% |
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11.4 to 12.6VDC |
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Dynamic Load |
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Any frequency |
up |
to 250Hz(duty |
±5% for 10% to 100%, 100% to 10% load change for |
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Regulation |
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50%) |
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+12Vdc |
Ripple & noise |
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170mVpp at 12VDC |
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Input voltage: 100VAC at 60Hz & 240VAC at 50Hz |
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* Ripple and noise are measured. |
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Output current |
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less than 7.0A, more than 12.0A |
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Current exceeds maximum rating more than 20% |
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protection |
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at 12.0VDC |
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Leakage Current |
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Less than 0.25 mA |
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Input voltage 100 Volts RMS ; 50 Hertz |
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Less than 0.5 mA |
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Input voltage 254 Volts RMS ; 50 Hertz |
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HP Mannequin (f1503) Service Manual
4.4 PANEL SPECIFICATION (Hannstar)
4.4.1Panel Feature
-High contrast ratio
-TN+film (Twisted Nematic) mode -Wide viewing angle
-XGA (1024 x 768 pixels) resolution
-2 dual CCFTs(Cold Cathode Fluorescent Tube) -COMPACT SIZE DESIGN
4.4.2Display Characteristics
Items |
Specification |
Unit |
Display Area |
304.1(H) x 228.1(V) |
mm |
Display color |
6 bit dirver |
Colors |
Number of pixels |
1024 x 768 |
pixel |
Pixel Arrangement |
RGB vertical stripe |
mm |
Pixel pitch |
0.297(H) x 0.297(V) |
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Display Mode |
Normally White |
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4.4.3 Optical Characteristics
The optical characteristics are measured under stable conditions at 25 (Room Temperature):
Item |
Symbol |
Conditions |
Min. |
Typ. |
Max. |
Unit |
Note |
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Contrast Ratio |
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C/R |
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300 |
400 |
- |
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(Center of screen) |
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Response |
Rising |
Tr |
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Tr+Tf=35 |
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msec |
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Time |
Falling |
Tf |
Normal |
- |
- |
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White Luminance at CCFL 6mA |
YL |
200 |
250 |
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cd/m2 |
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ψ=0 degree |
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Rx |
θ=0 degree |
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0.623 |
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Ry |
Viewing |
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0.335 |
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Gx |
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0.293 |
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Color Chromaticity(CIE 1931) |
Angle |
Typ. |
Typ. |
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Gy |
0.599 |
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Bx |
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-0.03 |
0.144 |
+0.03 |
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By |
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0.113 |
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Wx |
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0.310 |
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Wy |
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0.330 |
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Hor. |
ΘL |
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55 |
65 |
- |
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Viewing angle |
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ΘR |
CR>10 |
55 |
65 |
- |
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Ver. |
ΘU |
40 |
45 |
- |
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ΘD |
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50 |
55 |
- |
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Brightness Uniformity |
Buni |
ψ=0 degree |
70 |
75 |
- |
% |
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Crosstalk |
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[%] |
θ=0 degree |
- |
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1.3 |
% |
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HP Mannequin (f1503) Service Manual
4.4.4 Parameter guide line for CCFL Inverter
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HP Mannequin (f1503) Service Manual
5. Block Diagram
5.1 Monitor Exploded View
5.1.1 f1503
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HP Mannequin (f1503) Service Manual
5.1.2 f1503
15
5.2 Software Flow Chart
1
2 Y 3
N
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5 N
Y
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7 N 8
Y
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N |
11 |
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Y |
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N 12 |
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13 |
N |
Y |
Y |
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15 |
N 16 |
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Y |
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17 |
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HP Mannequin (f1503) Service Manual
1)MCU initialize.
2)Is the eeprom blank?
3)Program the eeprom by default values.
4)Get the PWM value of brightness from eeprom. Check the pin PANEL1 and PANEL2 to tell which panel to get with it.
5)Is the power key pressed?
6)Clear all global flags.
7)Are the AUTO and SELECT keys pressed?
8)Enter factory mode.
9)Saving the power key status into eeprom. Turn on the LED and set it to green color. Scalar initializes.
10)In standby mode?
11)Update the lifetime of back light.
12)Check the analog and digital port, are there any signals coming?
13)Does the scalar send out a interrupt request?
14)Wake up the scalar.
15)Are there any signals coming from analog or digital port?
16)Display "No Signals" message. And go into standby mode after the message disappear.
17)Program the scalar to be able to show the coming mode.
18)Process the OSD display.
19)Read the keyboard. Is the power key pressed?
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N 19 |
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Y |
16