HP Compaq L1702 User manual

HP L1702/FP7317 Service Manual
Page 1 of 143
SERVICE MANUAL
17” 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 Contents
Table of Contents ---------------------------------------------------------------------------------- 02
Revision List ---------------------------------------------------------------------------------------- 04
1.Configurations ---------------------------------------------------------------------05
2.Product Feature ---------------------------------------------------------------------05
3. LCD Monitor Description ---------------------------------------------------------------06
4. Operation Instructions --------------------------------------------------------------------07
4.1 General Instructions ------------------------------------------------------------------07
4.2 Control Button -------------------------------------------------------------------------07
4.3 Adjusting The Picture ----------------------------------------------------------------08
5. Input/Output Specification ------------------------------------------------------------------ 09
5.1 Input Signal Connector ------------------------------------------------------------------09
5.1.1 Analog D-SUB Connector -------------------------------------------------------09
5.2 Factory Preset Display Modes --------------------------------------------------------10
5.3 Power Supply Requirements ----------------------------------------------------------10
5.3.1 Input/Output Requirements ------------------------------------------------------10
5.3.2 Inverter Max Brightness -----------------------------------------------------------11
5.3.3 Inverter Min Brightness ------------------------------------------------------------11
5.4 Panel Specification (AU EN05/QDI L07/Hydis E13-100/LG E01) ---------12
5.4.1 Panel Feature ---------------------------------------------------------------------12
5.4.2 Display Characteristics ------------------------------------------------------------13
5.4.3 Optical Characteristics -----------------------------------------------------------15
5.4.4 Parameter guide line for CCFL Inverter --------------------------------19
6. Block Diagram -----------------------------------------------------------------------------------20

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6.1 Monitor Exploded View ----------------------------------------------------------------20
6.2 Software Flow Chart ---------------------------------------------------------------------22
6.3 Electrical Block Diagram ----------------------------------------------------------------23
6.3.1 Scalar Board ----------------------------------------------------------------------23
6.3.2 Inverter/Power Board -----------------------------------------------------------24
7. Schematic -----------------------------------------------------------------------------------------26
7.1 Scalar Board ----------------------------------------------------------------------------26
7.2 Inverter/Power Board --------------------------------------------------------------29
7.3 Key Pad Board -------------------------------------------------------------------------31
7.4 Audio Board ---------------------------------------------------------------------------32
8. PCB Layout --------------------------------------------------------------------------------------33
8.1 Main Board -----------------------------------------------------------------------------33
8.2 Inverter/Power Board ----------------------------------------------------------------34
8.3 Keypad Board -------------------------------------------------------------------------36
8.4 Audio Board ---------------------------------------------------------------------------37
9. Maintainability -----------------------------------------------------------------------------------37
9.1 Equipments and Tools Requirements ---------------------------------------------37
9.2 Trouble Shooting -----------------------------------------------------------------------38
9.2.1 Main Board -------------------------------------------------------------------38
9.2.2 Power/Inverter Board -------------------------------------------------------39
9.2.3 Key Pad Board -----------------------------------------------------------------41
10. White-Balance, Luminance Adjustment ----------------------------------------------- 42
11. EDID Content -----------------------------------------------------------------------------------43
12. BOM List ---------------------------------------------------------------------------------44~143

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12.1 L1702 Model ---------------------------------------------------------------------44~75
12.2 F7317 Model --------------------------------------------------------------------75~107
12.3 LG Panel Model --------------------------------------------------------------108~125
12.4 Hydis Panel Model -----------------------------------------------------------125~143
Revision List
Revision Date Change Description
V1.0 Jan-12 Initial Release
V2.0 Jun-10 Add Panel Spec and BOM of LG & Hydis panel model
Update the BOM list of AU Panel model

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1.CONFIGURATIONS
The 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 BRANDING COLORS SPEAKERS BEZEL EDID #
FP7317 Compaq
Consumer
Compaq Silver
Carbon Yes FP7317 CPQ 145B
F1723 HP
Consumer
Platinum Blue
Dusk Lake Yes f1723 HWP 2609
VF17 HP CTO
Platinum Blue
Dusk Lake No vf17 HWP 260A
FP17 Compaq
CTO
Compaq Silver
Carbon No FP17 CPQ 145E
L1702 HP
Commercial
Compaq Silver
Carbonite No 1702 HWP 2601
L1702m HP
Commercial
Compaq Silver
Carbonite Yes 1702m HWP 2601
L1702C HP
Commercial Carbonite No 1702 HWP 2601
2. PRODUCT FEATURE
43.2cm(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 DESCRIPTION
The 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.
Power Board
Flat Panel and
CCFL backlight
Main Board
Keyboard
RS232 Connector
For white balance
adjustment in
factory mode
HOST Computer
CCFT Drive.
AC-IN
90V-264V Video signal, DDC
Monitor Block Diagram

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4. OPERATION INSTRUCTIONS
4.1 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
Select Button Down / Auto Button Up Button On/Off Switch
Speaker
Select Button Down / Auto Button Up Button On/Off Switch
Model:
L1702
Model:
F7317

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4.3 Adjust The Picture
1.
Brightness
Adjust the brightness.
2. Contrast Adjust the contrast
3. Image Control
Adjust the:
zAuto Adjustment: Adjusts the main settings and produces a
stable, centered image.
zH-Position: horizontal position of the screen image.
zV-Position: vertical position of the screen image.
zClock: frequency of the pixel clock to minimize vertical bar.
zPhase: phase value to minimize horizontal jitters.
3. Color
z9300K: recall 9300K color
z6500K-sRGB: recall 6500K sRGB color
zCustom Color: adjusts the color tint of white, and the red,
green, and blue (RGB) mix for colors.
4. Language Shows the language of the OSD window.
5.
Management
zPower Saver: enable/disable power saving
zPower On Recall: enable/disable power recall
zMode Display: enable/disable mode display
zSleep Timer: set sleep timer
zBasic Menu: set to basic menu
6. OSD Control OSD (on Screen Display) settings: adjusts the H/V position,
timeout, On Screen Display window.
7. Factory Reset Resets the display to original factory settings for color, brightness,
phase, and clock.
8. Exit Closes the OSD window.

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

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5.2 Factory Preset Display Modes
Preset Pixel
Format
Horz
Freq (KHz)
Horz
Polarity
Vert Freq
(Hz)
Vert
Polarity
Pixel Clk
(MHz) Source
1 640 x 480 31.469 - 59.940 - 25.175 VGA
2 640 x 480 37.861 - 72.809 - 31.500 VESA
3 640 x 480 37.500 - 75.000 - 31.500 VESA
4 720 x 400 31.469 - 70.087 + 28.322 VGA
5 800 x 600 37.879 + 60.317 + 40.000 VESA
6 800 x 600 48.077 + 72.188 + 50.000 VESA
7 800 x 600 46.875 + 75.000 + 49.500 VESA
8 832 x 624 49.726 ± 74.551 ± 57.284 MAC
9 1024 x 768 48.363 - 60.004 - 65.000 VESA
10 1024 x 768 56.476 - 70.069 - 75.000 VESA
11 1024 x 768 60.023 + 75.029 + 78.750 VESA
12 1152 x 870 68.68 - 75.06 - 100.000 Mac
13 1152 x 900 71.71 - 76.05 - 105.561 Sun
14 1280 x 1024 63.98 + 60.02 + 108.000 VESA
15 1280 x 1024 79.97 + 75.02 + 135.000 VESA
5.3 Power Supply Requirements
5.3.1 Input / Output Requirements
PARAMETER RANGE
AC Input Voltage 90 to 264V
AC Input Frequency 47 to 63 Hz
AC Input Current 1.5A MAX
Inrush Current 60A MAX AT 264VAC COLD START
Leakage Current 3.5 mA MAX and less than 0.25mA at 100Vac
Output voltage / current 12V / 2.5A , 5V / 2A
Output power 45W Max
Efficiency >80%
Saving Mode <2W Max @5V/0.1A , 12V/0A

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5.3.2 Inverter Max Brightness
(Vadj:4.5v), LOAD=100KΩX4 (ROOM TEMPERATURE 25℃±4℃)
PWPC1742AUH1
ITEM SYMBOL MIN. TYP. MAX. UNIT REMARK
Input voltage Vin 10.8 12 13.2 V ---
Input current Iin --- 2250 2500 mA FOR 4 LOAD
Output Current Iout 13.5 14.0 14.5 mA FOR 1 LOAD
Frequency F 50 55 60 KHZ FOR 1 LOAD
H.V Load Vload 600 700 800 Vrms
RL=100KΩ
Start voltage Vst 1450 1700 1800 Vrms RL=CCFL
Protect delay time PDT --- 1 Sec ---
PWPC1742QDH1
ITEM SYMBOL MIN. TYP. MAX. UNIT REMARK
Input voltage Vin 10.8 12 13.2 V
Input current Iin 2250 2500 mA FOR 4 LOAD
Output Current Iout 6.5 7.0 7.5 mA FOR 1 LOAD
Frequency F 50 55 60 KHZ FOR 1 LOAD
H.V Load Vload 625 725 825 Vrms
RL=100KΩ
Start voltage Vst 1450 1700 1800 Vrms RL=CCFL
Protect delay time PDT 1 Sec
5.3.3 Inverter Min Brightness
(Vadj:0.0v), LOAD=100KΩX4 (ROOM TEMPERATURE 25℃±4℃)
PWPC1742AUH1
ITEM SYMBOL MIN. TYP. MAX. UNIT REMARK
Input voltage Vin 10.8 12 13.2 V
Input current Iin 700 900 mA FOR 4 LOAD
Output Current Iout 3.0 3.5 4.0 mA FOR 1 LOAD
Frequency F
--- --- --- KHZ ---
Start voltage Vst --- --- --- Vrms ---
H.V Load Vload --- --- ---
Vrms RL=100KΩ

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PWPC1742QDH1
ITEM SYMBOL MIN. TYP. MAX. UNIT REMARK
Input Voltage Vin 10.8 12 13.2 V
Input Current Iin 700 900 mA FOR 4 LOAD
Output Current Iout 3.0 3.5 4.0 mA FOR 1 LOAD
Frequency F
--- --- --- KHZ
Start Voltage Vst --- --- --- Vrms
H.V Load Vload --- --- --- Vrms
RL=100KΩ
5.4 PANEL SPECIFICATION (AU EN05/ QDI L07/ Hydis E13-100/LG E01)
5.4.1 Panel Feature
AU EN05
–This specification applies to the 17.0 inch Color TFT-LCD Module M170EN05
–The display supports the SXGA (1280(H) x 1024(V)) screen format and 262k colors(RGB 6-bits data)
–All input signals are 2 Channel LVDS interface compatible
–This module does not contain an inverter card for backlight
QDI L07
–High aperture panel; high-brightness or low power consumption
–Brilliant and high contrast image
–Small footprint and thin shape
–SXGA resolution
–LVDS interface
–Low power consumption
–Wide viewing angle
Hydis E13-100
–LVDS interface with 2 pixels / clock
–High-speed response
–Lower power consumption
–6 bits(FRC) colors, display 16,194,227
–Incorporated edge type back-light(Four lamps)
–High luminance and contrast ratio, Lowe reflection and wide viewing angle
–DE(Data Enable) & H-Sync & V-Sync mode
LG E01
–This TFT-LCD has a 17.0 inch diagonal measured display area with SXGA resolution(1024 vertical
by 1280 horizontal pixel array)
–8-bit gray scale signal for each dot, thus, presenting a palette of more than 16.2M colors with FRC.
–Lowe power, high speed ,low EMI.
–Thin thickness, wide viewing angle, lower power are critical factors and graphic displays.

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5.4.2 Display Characteristics
AU EN05
ITEM UNIT SPECIFICATIONS
Screen Diagonal [mm] 432(17.0”)
Active Area [mm] 337.920(H) x 270.336(V)
Pixel Pitch H x V 1280(x3) x 1024
Pixel Arrangement [mm] 0.264(per one triad) x 0.264
Display Mode R.G.B Vertical Stripe
White Luminance (Center) [cd/m²] 260 cd/m²@7mA (Typ)
Contrast Ratio 450:1(Typ)
Optical Response Time [msec] 16(Typ)
Color saturation 72% NTSC
Nominal input Voltage VDD [Volt] +5.0V
Power consumption
(VDD line + CCFL line) [Watt] 25W (Typ.) (w/o Inverter, All white pattern)
Weight [Grams] 2000(Typ)
Physical Size [mm] 358.5(W) x 296.5(H) x 19.0(D)(Typ)
Electrical Interface Even/Odd R/G/B data, 3 sync signal clock
Support Color 262K colors (RGB 6-bit data)
Temperature Range
Operating Storage (Shopping )
[℃]
[℃]
0 to +50
-20 to +60
QDI L07
PARAMETER SPECIFICATION UNIT
Display Size 43(17") Diagonal cm
Active area 337.9(H) x 270.3(V) mm
Pixel format 1280(H) x 1024(V) pixel
(1 Pixel=R+G+B dots)
Pixel pitch 0.264(H) x 0.264(V) mm
Pixel configuration R, G, B vertical stripe
Display mode Normally White
Unit outline dimensions (typ.)*1 358.5 x 296.5x 16.5 mm
weight 1970(Max.) g
Surface treatment Anti-glare and hard-coating 3H
Low reflection (~ 5%)
Lamp Quantity 4 pcs
1.Note: Excluding backlight cables.

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Hydis E13-100
Parameter Specification Unit
Active area 337.92(H) x 270.336(V) mm
Number of pixels 1280(H) x1024(V) pixels
Pixel pitch 0.264(H) x 0264(V) mm
Pixel arrangement RGB Vertical stripe
Display colors 16,194,227 colors
Display mode Normally White
Dimensional
outlint 358.5(H)x 296.5(V)x 17.0(D)typ. mm
Weight 1900 max gram
Back-light Top/Bottom edge side 4-CCFL type Note1
LG E01
Active screen size 17.0 inch (43.27cm)diagonal
Outline Dimension 358.5(H)x296.5(V)x17.0(D)mm(Typ.)
Pixel Pitch 0.264mm x 0.264mm
Pixel Format 1280(H)x 1024(V)Pixels. RGB stripe arrangement
Display colors 16.2M colors
Luminance, white 250cd/㎡(Typ. Center 1 point)
Power Consumption 19.05 Watts(Typ.)
Weight 1890g(Typ.)
Display operating mode Transmissive mode, normally white
Surface treatments Hard coating(3H),Anti-glare treatment of the front polarizer

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5.4.3 Optical Characteristics
QDI L07
Parameter Symbol Condition Min Typ. Max. Unit Remark
Viewing angle
range
Horizontal θ21, θ22
CR>10
65 75 Deg
Note1,4
Vertical
θ11 55 65 Deg
θ12 50 60 Deg
Horizontal θ21, θ22
CR>5
85 Deg
Vertical
θ11 75 Deg
θ12 70 Deg
Contrast ratio CR θ=0° 300 450 — Note2, 4
Response time t θ=0° — 20 ms
Note3, 4Rise time tr 4 ms
Fall time td 16 ms
Chromaticity of White(CIE 1931)
Wx 0.283 0.313 0.343
Note4
Wy 0.299 0.329 0.359
Chromaticity of Red(CIE 1931)
Rx 0.603 0.633 0.663
Ry 0.306 0.336 0.366
C
hromaticity of Green(CIE 1931)
Gx 0.270 0.300 0.330
Gy 0.556 0.586 0.616
Chromaticity of Blue(CIE 1931)
Bx 0.116 0.146 0.176
By 0.073 0.103 0.133
Luminance of white
Note 4[Note 4] YL 240 300
cd/㎡
IL=7.0
mArms
White Uniformity δw — 1.25 1.33 Note5
Cross talk 1.50% Note6

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AU EN05
The optical characteristics are measured under stable conditions at 25℃(Room Temperature):
ITEM UNIT CONDITIONS MIN TYP. MAX.
Viewing Angle
[degree] Horizontal(Right)
CR=10(Left)
60
60
70
70
–
–
[degree]
[degree] Vertical(Up)
CR=10(Down)
60
60
70
70
–
–
[degree]
[degree] Horizontal(Right)
CR=5(Left)
70
70
80
80
–
–
[degree]
[degree] Vertical(Up)
CR=5(Down)
70
70
80
80
–
–
[degree]
Contrast ratio Normal Direction 250 450 –
Response Time (Note 1)
[m sec] Raising Time – 4 5
[m sec] Falling Time – 12 20
[m sec] Raising +Falling – 16 25
Color /Chromaticity
Coordinates(CIE)
Red x 0.61 0.64 0.67
Red y 0.31 0.34 0.37
Green x 0.26 0.29 0.32
Green y 0.58 0.61 0.64
Blue x 0.11 0.14 0.17
Blue y 0.04 0.07 0.10
Color Coordinates (CIE) White
White x 0.28 0.31 0.34
White y 0.30 0.33 0.36
White Luminance
@CCFL 7.0mA (center)
[cd/㎡] 200 260 –
Luminance Uniformity(Note 2) [%] 75 80 –
TCO99 1.5.2B luminance
uniformity (Note 3)
1.7
Crosstalk (in 75Hz)(Note 4) [%] 1.5

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Hydis E13-100

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LG E01

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5.4.4 Parameter guide line for CCFL Inverter
Back-Light Unit:
AU EN05
SYMBOL PARAMETER MIN TYP MAX UNITS CONDITION
(L63) White Luminance 200 260 – [cd/㎡] (Ta=25℃)
ISCFL CCFL standard current 6.5 7.0 7.5 [mA]
rms (Ta=25℃)
IRCFL CCFL operation range 3.0 7.0 7.5 [mA]
rms (Ta=25℃)
ICFL CCFL Inrush current – 26 34 [mA] Note 1
fCFL CCFL Frequency 40 50 80 [KHz]
(Ta=25℃)
Note 2
ViCFL
(0℃) CCFL ignition Voltage 1700 [Volt]
rms
(Ta=0℃)
Note 3
ViCFL
(25℃) CCFL ignition Voltage 1200 [Volt]
rms
(Ta=25℃)
Note 3
TCFL CCFL Dark start time 1.0 sec (Ta=25℃)
VCFL CCFL Discharge Voltage
(Reference) 700 860 [Volt]
rms
(Ta=25℃)
Note 4
PCFL CCFL Power consumption 19.6 25.8 [Watt]
(Ta=25℃)
Note 4
QDI L07
The backlight system is an edge-lighting type with 2- CCFL(Cold Cathode Fluorescent Lamp).
The characteristics of four lamps are shown in the following tables.
PARAMETER SYMBOL MIN TYP MAX UNIT REMARK
Lamp current range IL3.0 7.0 8.0 mArms Note1
Lamp voltage VL 725 Vrms
Lamp power consumption PL 5.1 W Note2 IL=7.0mA
Lamp frequency FL 52 kHz Note3
Established starting voltage Vs 1100 Vrms Ta=25℃Note4
1420 Vrms Ta=0℃
Lamp life time LL40000 50000 hour Note5

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6. Block Diagram
6.1 Monitor Exploded View
L1702 Model
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