12. Different Parts List.........…….……........................53
SAFETY NOTICE
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC
EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
1
17" LCD Color Monitor HP L1706
Revision List
Version Date Revision History TPV Model Name
T76SM4DTAKHPNE
T76SM4DTAKHANE
T76SM4DDAKHANE
T76SM4DBAKHPNE
A00 Apr.-04-2007 first release
A01 May.-21-2007 Add TPVDW Model in Item 12T784KC4DKHHANPE
The LCD Monitor will contain main board, power board, key board and an audio board 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
Include adapter and inverter)
AC-IN
110V-240
Monitor Block Diagram
CCFT Drive.
Main Board
Audio board
Key board
Flat Panel and
CCFL backlight
RS232 Connector
For white balance
adjustment in
factory mode
Video signal, DDC
HOST Computer
4
17" LCD Color Monitor HP L1706
3. Operation Instructions
3.1 General Instructions
Press the power button to turn the monitor on or off. The other control buttons are located at front of the panel. 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.
3.2 Control Buttons
5
17" LCD Color Monitor HP L1706
3.3 Adjust the Picture
1.
2.
3.
4.
5.
6.
Brightness
Contrast Adjust the contrast
Image
Control
Color
Language Shows the language of the OSD window.
Management
Adjust the brightness.
Adjust the:
z Auto Adjustment: Adjusts the main settings a nd produces a stable, centered image.
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 9300K: recall 9300K color
z 6500K: recall 6500K color
z SRGB: recall SRGB color
z Custom Color: adjusts the color tint of white, and the red, green, and blue (RGB) mix
for colors.
z Power Saver: enable/disable power saving
z Power On Recall: enable/disable power recall
z Mode Display: enable/disable mode display
z Sleep Timer: set sleep timer
z Basic Menu: set to basic menu
7.
8.
9.
10.
OSD Control
Information Current setting, recommended setting, serial number, total hours, backlight hours, Exit.
Factory
Reset
Exit Exit the current OSD window.
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 cl ock.
6
17" LCD Color Monitor HP L1706
4. Input/Output Specification
4.1 Input Signal Connector
PinSignal PinSignal
1 Red Video 9 +5 V (from PC)
2 Green Video 10 Ground
3 Blue Video 11 Ground
4 Ground 12 DDC-serial Data
5 Detect Cable 13 Horizontal Sync
6 Red GND 14 Vertical Sync
7 Green GND 15 DDC-serial Clock
8 Blue GND
PIN 1
PIN 11
4.2 Factory Preset Display Modes
Pixel
Preset
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
Format
Horz Freq
(KHz)
VGA connector layout
Horz
Polarity
Vert Freq
(Hz)
PIN 5
Vert
Polarity
Pixel Clk
(MHz) Source
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
7
17" LCD Color Monitor HP L1706
4.3 Power Supply Requirements
Parameter Range
AC Line Voltage range 100 to 240V
AC Line Frequency range 47 to 63 Hz
Peak surge Current < 55 A MAX AT 220VAC and cold starting
Leakage Current < 3.5 mA
Power Consumption
≤37W
8
17" LCD Color Monitor HP L1706
5. Panel Specification
5.1 General Feature
ABSOLUTE MAXIMUM RATINGS
9
17" LCD Color Monitor HP L1706
5.2 Optical Characteristics
10
17" LCD Color Monitor HP L1706
5.3 Parameter guide line for CCFL Inverter
TFT LCD Module:
Back Light Unit:
11
17" LCD Color Monitor HP L1706
6. Block Diagram
6.1 Monitor Exploded View
12
17" LCD Color Monitor HP L1706
6.2 Software Flow Chart
1
Y
2
N
3
4
5
N
Y
6
N
7
8
Y
9
10
N
11
12
Y
13
N
N
Y
14
15
Y
N
16
Y
17
18
N
19
Y
13
17" LCD Color Monitor HP L1706
REMARK:
1) MCU initialize.
2) Is the EEprom blank?
3) Program the EEprom by default values.
4) Get the PWM value of brightness from EEprom.
5) Is the power key pressed?
6) Clear all global flags.
7) Are the AUTO and SELECT keys pressed?
8) Enter factory mode.
9) Save the power key status into EEprom.
Turn on the LED and set it to green color.
Scalar initialize.
10) In standby mode?
11) Update the lifetime of back light.
12) Check the analog port, are they’re any signals coming?
13) Does the scalar send out an interrupt request?
14) Wake up the scalar.
15) Are there any signals coming from analog port?
16) Display "No connection Check Signal Cable" message. And go into standby mode after the message
disappear.
17) Program the scalar to be able to show the coming mode.
computer is output and video cable
is connected normally
NG
Input the sync signal of computer, o r
OK
change the cable
Replace U401
34
17" LCD Color Monitor HP L1706
Panel Power Circuit
Check Correspondent
component.
Measure Q204 base is high level?
NG
OK
Check Q204 and Q203 are broken
or CN503 /CN501 solder?
NG
OK
Replace PANEL
Y601 oscillate waveforms are normal
OK
Replace U601
Replace U401
NG
Replace Y601
NG
35
17" LCD Color Monitor HP L1706
9.2.2 Power Board
1. No Power
No power
Check AC line volt 110V or 220V
OK
NG
Check AC line
Check the voltage of C905(+)
OK
NG
Check F901, bridge rectified circuit
Check start voltage for the pin3 of IC901
OK
NG
Check R909, R910,IC931
Check the auxiliary voltage is between 10V-16V
NG
OK
Check IC901,T901
Check D902, D904, IC902
NG
Check D906, IC904
Check IC902,IC903
Check Q910…OLP circuit
OK
Check D920 D921 ZD920…
36
17" LCD Color Monitor HP L1706
2. W/LED No Backlight
Check IC801 pin5=12V voltage PIN3>3V
NG
OK
Change Q806 or Q807 or Q812
Preset at 2V to PIN4 of IC801 and Connect PIN1 to GND
Check the pin15 of IC801 have saw tooth wave
OK
NG
Change IC801
Check Q808、Q809
OK
NG
Change Q808、Q809
Open D809, Check IC801 PIN2<2V
OK
NG
Check OVP loop circuit
Check IC801 PIN9≠0V
OK
NG
Check D801 FB loop circuit
Check open protection circuit
Check connecter & lamp
37
17" LCD Color Monitor HP L1706
9.2.3 Key Board
OSD is unstable or not working
Is Key Pad Board connecting normally?
NG
Connect Key Pad Board
Is Button Switch normally?
OK
NG
Replace Button Switch
OK
Is Key Pad Board Normally?
NG
Replace Key Pad Board
OK
Check Main Board
38
17" LCD Color Monitor HP L1706
10. White- Balance, Luminance Adjustment
Approximately 30 minutes should be allowed for warm up before proceeding White-Balance adju stment.
1. How to do the Chroma-7120 MEM .Channel setting
A. Reference to chroma 7120 user guide
B. Use “ SC” key and “ NEXT” key to modify xyY value and use “ID” key to modify the TEXT description
Following is the procedure to do white-balance adjust
2. Setting the color temp. You want
A. 9300 color: 9300 color temp. parameter is x = 283 ±20, y = 297 ±20, Y > 180 cd/m2 ,
B. sRGB color: sRGB color temp. parameter is x = 313±20, y = 329 ±20, Y>200 cd/m2)
C. 6500K color: Don’t adjust, Custom requires.
3. Into factory mode of HP L1706
A. Press DOWN button during 2 seconds along with press Power button will activate the factory mode, then
MCU will do AUTO LEVEL automatically. Meanwhil e press MENU the OSD screen will located at THE
LEFT TOP OF PANEL.
4. Bias adjustment:
Set the Contrast
Adjust the Brightness
5. Gain adjustment :
Move cursor to “-F-” and press MENU key
A. Adjust 9300k color-temperature
1. Switch the Chroma-7120 to 9300k channel.
2. The chroma 7120 will show x = 283±20, y = 297 ±20, Y>180 cd/m2
3. Switch the chroma-720 to RGB MODE (with press “MODE” button to change )
4. Adjust the RED of color 9300K on factory window until chroma 7120 indicator reached the value R=100
5. Adjust the GREEN of color 9300K on factory window until chroma 7120 indicator rea ched the value G=100
6. Adjust the BLUE of color 9300K on factory win dow until chroma 7120 in dicator reached the value B=100
7. Repeat above procedure ( item 4,5,6) until chroma 7120 RGB value meet the tolerance =100±2
B. Adjust sRGB color-temperature
1. Switch the chroma-7120 to sRGB channel.
2. The chroma 7120 will show x = 313 ±20, y = 329 ±20, Y = 210 ±20 cd/m2
3. Switch the chroma 7120 l to RGB MODE ( with press “MODE” button to change )
to 80
to 90.
4. Adjust the RED of color sRGB on fact ory window until chroma 7120 indicator reached the value R=100
5. Adjust the GREEN of color sRGB on f actory window until chroma 7120 indicator reached the value G=100
6. Adjust the BLUE of color sRGB on factory win dow until chroma 7120 indicator reached the value B=100
7. Repeat above procedure ( item 4,5,6) until chroma 7120 RGB value meet the tolerance =100±2
C. Press reset key and Turn the Powe r-button “off to on” to quit from factory mode.
39
17" LCD Color Monitor HP L1706
11. BOM List
T76SM4DTAKHPNE / T76SM4DTAKHANE / T76SM4DDAKHANE
Location Part No. Description
52G 1186 SMALL TAPE
CBPC6SM4HPH MAIN BOARD FOR 17
KEPC980KHP4P KEY BOARD
KEPC980KHP5P KEY BOARD FOR POWER
PWPC1742SEH1P POWER BOARD
11G 178 1 SPACER SUPPORT
15G8162 1 MAIN FRAME
33G4856 EY L LOGO PLATE
33G4889 EY L STAND CAP
34G1568 EY B REAR COVER
40G 58169015A TAIWAN LABEL
40G 58169016A TCO03 LABEL
41G780069094B QSG
44G3760 1 EPS(L)
44G3760 2 EPS(R)
52G 1185 MIDDLE TAPE
52G6022 1500 SMALL TAPE
89G1738GAAE01 SIGNAL CABLE
95G8014 8 30 HARNESS 160MM 8P-8P
H41G160069035E DOC KIT APD(391904-376)
H41G780069099C SCREEN FLY (311618-007
H41G7800690B12 RTF CARD(407430-004)
H41G7806690 9A CHINA RoHS CARD
H44G3760690 3D CARTON FOR L1706(385898
H45G 87 1 2H R PE BAG FOR MONITOR
H45G 87 4 H R PE BAG FOR BASE
H52G6025 16 17 INSULATE SHEET
H52G6025 16007 INSULATE SHEET
33G4859 1 C LENS
33G6403APM L CONTROL BUTTON
34G1567APC B BEZEL
34G1566 EY B 20 BASE
34G1625 EY B STAND
37G 513 5 HINGE
Q1G 130 6120 SCREW (T3X6)
Q1G 140 8128 CR3 SCREW
52
17" LCD Color Monitor HP L1706
12. Different Parts List
Diversity of T76SM4DBAKHPNE compared with T76SM4DTAKHPNE
Location Part No. Description
E089A 89G404A19N IS POWER CABLE
H41G160069034E DOC KIT FOR EMEA(391904
Q45G 76 28 H R PE BAG FOR MANUAL
40G 58162435A LABEL
41G780069096C QSG
Diversity of T76SM4DBAKHANE compared with T76SM4DTAKHPNE
Location Part No. Description
E089A 89G402A19N IS AC POWER CABLE
E089A 89G404A19N IS POWER CABLE
89G410A19NISH POWER CORD
H41G160069034E DOC KIT FOR EMEA(391904
Q45G 76 28 H R PE BAG FOR MANUAL
40G 58162435A LABEL
41G780069096C QSG
Diversity of T76SM4DLAKHPNE compared with T76SM4DTAKHPNE
Location Part No. Description
E089A 89G412A19NIS3 POWER CABLE
Diversity of T76SM4DDAKHPNE compared with T76SM4DTAKHPNE
Location Part No. Description
E089A 89G414A19N IS POWER CABLE
H70G1600690 4E CD MANUAL(391902-B25)
Q45G 76 28 H R PE BAG FOR MANUAL
Q45G 88614 11 R OUT PE BAG
41G780069089A WARRANTY CARD FOR CHINA
Diversity of T76SM4DPAKHPNE compared with T76SM4DTAKHPNE
Location Part No. Description
E089A 89G402A19N IS AC POWER CABLE
40G 58162435A LABEL
H41G160069033E DOC KIT FOR NA(391904-D
Q45G 76 28 H R PE BAG FOR MANUAL
53
17" LCD Color Monitor HP L1706
Diversity of T76CM4DPAKHPNE compared with T76SM4DTAKHPNE
Location Part No. Description
E089B 89G1738HAAE01 SIGNAL CABLE
E089A 89G402A19N IS AC POWER CABLE
R204 71G 59B121 6888 TB160808B
PT801 S80GL15T20V TRANSFORMER BY TPV
PT802 S80GL15T20V TRANSFORMER BY TPV
C818 65G 3J1206ET H 12PF 5% SL 3KV TDK
C825 65G 3J1206ET H 12PF 5% SL 3KV TDK
C843 65G 3J1206ET H 12PF 5% SL 3KV TDK
C844 65G 3J1206ET H 12PF 5% SL 3KV TDK
CBPC6CM4HPH MAIN BOARD FOR 17
PWPC1742CPH2P POWER BOARD
15G8162 3 MAIN FRAME CPT
40G 58162435A LABEL
750GLC70A7P12Z000H PANEL CLAA170EA07P 000
H41G160069033E DOC KIT FOR NA(391904-D
Q45G 76 28 H R PE BAG FOR MANUAL
Q807 57G 760 5A DTC 144WN3
R813 61G0805273 6865 RST CHIPR 27KOHM +-5% 1
R844 61G0805431 6865 RST CHIPR 430 OHM +-5%
R845 61G0805431 6865 RST CHIPR 430 OHM +-5%
R825 61G0805623 6865 RST CHIPR 62KOHM +-5% 1
R833 61G0805823 6865 RST CHIPR 82KOHM +-5%
C833 65G0805102 316029 1000PF 50V NPO
D804 93G 6432S 1N4148W
Diversity of T784KC4DKHHANPE compared with T76SM4DTAKHPNE
Location Part No. Description
CBPC781KC4HPNP MAIN BOARD
PWPC1742CPH2P POWER BOARD
15G8162 3 MAIN FRAME CPT
40G 58162435A MANUAL LABEL
E089B 89G1738HAAE01 SIGNAL CABLE
E089A 89G402A19N IS AC POWER CABLE
750GLC70A7Q12Z H PANEL CLAA170EA07Q 272
H41G160069033E DOC KIT FOR NA(391904-D
Q45G 76 28 H R PE BAG FOR MANUAL
U601 56G1125543CH7 MTV512GMV
54
17" LCD Color Monitor HP L1706
R204 71G 59B121 6888 TB160808B
PT801 S80GL15T20V TRANSFORMER BY TPV
PT802 S80GL15T20V TRANSFORMER BY TPV
R904 61G 2J398 596353 RST WWR 0.39 OHM +-5% 2
C818 65G 3J1206ET H 12PF 5% SL 3KV TDK
C825 65G 3J1206ET H 12PF 5% SL 3KV TDK
C843 65G 3J1206ET H 12PF 5% SL 3KV TDK
C844 65G 3J1206ET H 12PF 5% SL 3KV TDK
Q807 57G 760 5A DTC 144WN3
R813 61G0805273 6865 RST CHIPR 27KOHM +-5% 1
R844 61G0805431 6865 RST CHIPR 430 OHM +-5%
R845 61G0805431 6865 RST CHIPR 430 OHM +-5%
R825 61G0805623 6865 RST CHIPR 62KOHM +-5% 1
R833 61G0805823 6865 RST CHIPR 82KOHM +-5%
C833 65G0805102 316029 1000PF 50V NPO
D804 93G 6432S 1N4148W
55
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