Philips 170X7FB/00 User manual

Service
Service
Service
Published by BCU Monitors Printed in suzhou Copyright reserved Subject to modification F OCT .15 2006
CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING.
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.
GB 3138 106 10548
TFT LCD Colour Monitor Family:HUSON7
REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES
TABLE OF CONTENTS
Horizontal Frequencies
30-83KHz
Description Page
Important Dafety Notice-------------------------------------2
Technical Data/Installation-------------------------------3~6
On-Screen Display/Aging Mode-----------------------7~11
Factory Mode/Pixel defect policy--------------------12~13
Mechanical instructions--------------------------------14~15
Display adjustment/Trouble shooting---------------16~18
Warning Message---------------------------------------19~20
Electrical Instructions------------------------------------21~24
Samrtlage Lite-------------------------------------------------25
Smartmanage--------------------------------------------------26
DDC Instructions------------------------------------------27~33
DDC Data---------------------------------------------------34~41
Firmware Upgrade for CPU----------------------------42~44
Description Page
Wiring Diagram/Block Diagram-----------------------45~49
Scaler Diagram/C.B.A-----------------------------------50~55
Audio Diagram/C.B.A------------------------------------56~63
Power Diagram/C.B.A-----------------------------------64~66
USB Diagram/C.B.A--------------------------------------67~69
Control&Earphone Diagram/C.B.A-------------------70~72
Exploded View---------------------------------------------73~74
Recommended Parts List-----------------------------------75
Spare Parts List-------------------------------------------76~83
SAFETY NOTICE
Repair Tips/Repair Flow Chart------------------------84~88
General Product Specification-----------------------89~112
Safety Test Requirements----------------------------------113
170X7FB/00
170X7FB/93
190X7FB/00
190X7FB/27
190X7FB/69
190X7FB/75
190X7FB/93
190X7FB/93

Important Safety Notice
2
FOR PRODUCTSCONTAINING LASER :
Invisiblelaser radiation when open.
AVOIDDIRECT EXPOSURE TO
BEAM.
Use of controls or adjustmentsor
performance of
proceduresother than thosespecifiedherein
may resultin hazardous radiation
exposure.
Theuse of opticalinstrumentswith
thisproduct will increase eye hazard.
DANGER-
CAUTION-
CAUTION-
TO ENSURE THE CONTINUED RELIABILITY OF THIS
PRODUCT, USEONLY ORIGINAL MANUFACTURER'S
REPLACEMENT PARTS, WHICH ARE LISTED WITH THEIR
PART NUMBERSINTHE PARTSLISTSECTIONOF THIS
SERVICE MANUAL.
190X7&170X7LCD
Proper service andrepair isimportant to thesafe,
reliable operation of all PhilipsConsumer Electronics
Company** Equipment. Theservice procedures
recommendedbyPhilipsanddescribedin thisservice
manualare effective methods of performing service
operations. Some of theseservice operationsrequire
theuse of tools speciallydesignedfor thepurpose. The
specialtools should beused when andas
recommended.
It isimportant to note that thismanualcontainsvarious
CAUTIONS andNOTICESwhich should be carefully
readin order to minimizethe risk of personalinjury to
service personnel. The possibility existsthat improper
service methods may damage the equipment.It isalso
important to understandthat theseCAUTIONS and
NOTICESARE NOT EXHAUSTIVE. Philipscould not
possibly know, evaluate andadvisetheservice tradeof
all conceivablewaysin whichservice mightbedone or
of the possiblehazardous consequencesof eachway.
Consequently, Philipshasnot undertaken any such
broadevaluation.Accordingly,aservicer whousesa
service procedure or tool whichisnot recommendedby
Philipsmust firstsatisfy himselfthoroughlythat neither
hissafety nor thesafe operation of the equipment will
bejeopardizedbytheservice methodselected.
**Hereafter throughoutthismanual, PhilipsConsumer
ElectronicsCompany will be referredto as Philips.
WARNING
Criticalcomponentshaving specialsafety
characteristicsare identifiedwithabytheRef.No.
in the partslist andenclosedwithin a broken line*
(where severalcriticalcomponentsare groupedin one
area) along withthesafety symbolon the
schematicsor explodedviews.
Useofsubstitute replacement parts whichdo not have
thesame specifiedsafety characteristicsmay create
shock,fire,or other hazards.
Under no circumstances should the originaldesign be
modifiedor alteredw
ithoutwritten permission from
Philips. Philipsassumesno liability,express or implied,
arising outofanyunauthorizedmodification of design.
Servicer assumesall liability.
*Broken Line
Take care during handling theLCD modulewith
Backlightunit
-Must mount the moduleusing mounting holes
arrangedin four corners.
-Do not press on the panel, edge of the frame
stronglyorelectric shock asthiswill resultin
damage to thescreen.
-Do not scratchor press on the panelwithany sharp
objects, suchaspencilor pen asthismay resultin
damage to the panel.
-Protect the module from theESDasit may damage
theelectronic circuit (C-MOS).
-Make certain that treatment person’sbody are
groundedthroughwristband.
-Do not leavethe moduleinhightemperature andin
areasof high humidity for a long time.
-Avoidcontact withwater asit may a short circuit
within the module.
-Ifthesurface of panelbecome dirty,pleasewipe it
off withasoft material. (Cleaning withadirty or
roughclothmay damage the panel.)
Go to cover page

3
190X7&170X7 LCD
Go to cover page
TechnicalData(For 190X7)
1. General
1.1 Product description
190X7 is the7thgenerationof Hudson 19" TFT Flat PanelDisplayMonitor.
Themonitor featuredwithbothDVI-Dand analog signalinputinterface,and
modularizedasadisplay unitwithembedded universalACpower supplies
insidemonitor main body. Thepower buttonand displaycontrolbuttons
(tact switchtype)are onthefrontand theright-hand sideofthemonitor.
Themonitor shall support aninternalscaler to automatically enablethe
monitor to displaylower resolutionvideo modesinto 1280 x 1024 full screen
display. Theimage canbeadjustedthroughOSDcontrolboard. These
adjustmentscanbestoredonaboardmemoryincluding40 pre-set modes
and 19 factorypre-set modes.
1.2. Basicdata
1.2.1 LCD panel
Type NR. : LM190E08-TLB1 (LPL)
Outsidedimensions : 396.0(H) x 324.0(V) x 16.5(D) mm(Typ.)
Pitch ( mm ) : 0.098*RGB(H)mm x 0.294(V)mm
Color pixelarrangement: 1280 Hor. By 1024 Ver.Pixels. RGB
stripe arrangement
Displaysurface :Hardcoating(3H), Anti-glare
Color depth : 16.7M colors
Backlight: CCFL edge lightsystem
Active area(WxH) : 376.32 x 301.056mm (19" diagonal)
Viewangle(CR>10) : Vertical160degree,Horizontal160degree (Typ.)
Contrastratio: 800 (Typ.)
White luminance :300cd/m2(Typ.)
Gate IC : ToshibaT6LD0
Source IC : SamsungS6C1702
Responsetime:5ms(Blackto White,Typ.)
1..2.2. Power supply
Main Voltage:AC90-135Vrms and 170 --264 Vrms, 50/60±2Hz
Power cordlength: 1.8M
Power cordtype:3leadwithearthplug
Auto power saving: EPA, Nutek, VESA, DPMS,
STATUS H-syncV-syncVideo Power LED
On On On Active <46W Green/With Audio
On On On Active <36W Green/WithoutAudio
Sleep
modeOff Off Blanked<1W Amber LED
DC Power
off N/A <1W LEDOff
Note :
Toachieve under 1Watt power savingin Sleep Mode:
"Stand-AloneAudio"feature is selected 'OFF'
Volumehasto beadjustedto 0% prior to measurement.
1.2.3. Horizontalscan: 30 - 83 KHz
1.2.4. Verticalscan: 56 - 76 Hz
1.2.5. Inputsignals
Theinputsignals canbe appliedintwodifferentmodes:
1). VESA Analog
Thevideo inputconsistsofred, green, and bluesignals.
Thevideo signals are analog
levels, where 0V corresponds to blackand 700mV is the
maximum signalamplitude.Inputimpedance ofvideo
pinsis75ohm +/- 1%.
The capabilityof syncsignalinputsshall include
separate sync,composite syncand
syncongreen. inputimpedance:2k2ohms Thesignals
are definedasfollow:
Separate syncTTL level,
1.2.7 Inputconnectors
Inputanalog D-sub connector pin assignment
PIN No.SIGNAL
1Redvideo input
2Greenvideo input/ syncongreen
3Bluevideo input
4GND
5GND-- Cabledetect
6Redvideo GND
7Greenvideo GND
8Bluevideo GND
9 DDC +3.3V or +5V
10 LogicGND
11 GND
12 Serialdata line(SDA)
13 H-sync/H+V
14 V-sync
15 Data clockline(SCL)
Composite syncTTL level, Positive/Negative
Syncongreen H-syncTTL level, Positive/Negative
2). IntelDVIDigital
Inputsignal: FourchannelTMDSsignals
Signalsource:patterngenerator format asattachment(Table1to 40)
1.2.6 Audio
L/R Outputpower:2Wrms into 16 Ohm speaker
L/R inputvia1.8m hard-wiredcablewith limegreen3.5mmplug
Headphoneconnection will mute speakers.
(2) InputDVI-D connector pin assignment
Pin No.Description
1 T.M.D.S. data2-
2 T.M.D.S. data2+
3 T.M.D.S. data2shield
4NoConnect
5NoConnect
6 DDC clock
7 DDC data
8NoConnect
9 T.M.D.S. data1-
10 T.M.D.S. data1+
11 T.M.D.S. data1shield
12 NoConnect
13 NoConnect
14 +5V Power
15 Ground (for +5V)-- Cabledetect
16 Hot plugdetect
17 T.M.D.S. data0-
18 T.M.D.S. data0+
19 T.M.D.S. data0shield
20 NoConnect
21 NoConnect
22 T.M.D.S clockshield
23 T.M.D.S. clock+
24 T.M.D.S. clock-
Syncpolarity:
H-syncpositive/negative
V-syncpositive/negative

4190X7&170X7 LCD
Go to cover page
Technical Data(For 170X7)
1. General
1.1 Product description
170X7 is the 7th generation of Hudson 17" TFT Flat Panel
Display Monitor. The monitor featured with both DVI-D and
analog signal input interface, and modularized as a display unit
with embedded universal AC power supplies inside monitor
main body. The power button and display control buttons (tact
switch type)are on the front and the right-hand side of the
monitor. The monitor shall support an internal scaler to
automatically enable the monitor to display lower resolution
video modes into 1280 x 1024 full screen display. The image
can be adjusted through OSD control board. These
adjustments can be stored on a board memory including 40
pre-set modes and 19 factory pre-set modes.
1.2. Basic data
1.2.1 LCD panel
Type NR. : LM170E03-TLB1 (LPL)
Outside dimensions (mm): 358.5 (W)x 296.5 (H)x 17.5
(D)
Pixel Pitch (mm): 0.264 (H)x 0.264 (V)
Color pixel arrangement : 1280 (H)x 1024 (V),RGBstripe
Display surface treatment : Hard coating (3H), Anti-Glare
Color depth : 16.7 M (6 bit + FRC)
Backlight : CCFL, 4 tables, edge-light
Active area (mm): 337.920 (W)x 270.336 (H)
View angle at 10:1 CR : 80 (R)/80(L), 75(U)/85(D)
Contrast ratio : 800 (typ.)
White luminance (nit): 300 (typ. Center 1 point)
Gate IC : Novatek (TLB1),OKI(TLB2)
Source IC : TSB (TLB1),OKI(TLB2)
Response time (ms):5(typ.)
1.2.2. Power supply
Main Voltage: AC 90 - 135 Vrms and 170-- 264 Vrms, 50/60±2
Hz
Power cord length: 1.8M
Power cord type: 3 lead with earth plug
Auto power saving: EPA, Nutek, VESA, DPMS,
STATUS H-sync V-sync Video Power LED
On On On Active <46W Green /With Audio
On On On Active <36W Green / Without Audio
Sleep mode Off Off Blanked <1W Amber LED
DC Power off N / A <1W LED Off
Note :
To achieve under 1 Watt power saving in Sleep Mode:
"Stand-Alone Audio" feature is selected 'OFF'
Volume has to be adjusted to 0% prior to measurement.
1.2.3. Horizontal scan: 30 - 83 KHz
1.2.4. Vertical scan: 56 - 76 Hz
1.2.5. Input signals
The input signals can be applied in two different modes:
1). VESA Analog
The video input consists of red, green, and blue signals. The video
signals are analog
levels, where 0V corresponds to black and 700mV is the maximum
signal amplitude. Input impedance of video pins is 75 ohm +/- 1%.
The capability of sync signal inputs shall include separate sync, composite
sync and sync on green. input impedance: 2k2ohms The signals are
defined as follow:
Separate sync TTL level, Positive/Negative
composite sync TTL level, Positive/Negative
Sync on green H-sync TTL level, Positive/Negative
2). Intel DVI Digital
Input signal: Four channel TMDS signals
Signal source: pattern generator format as attachment
(Table1to40)
1.2.6 Audio
L/R Output power: 2Wrms into 16 Ohm speaker
L/R input via 1.8m hard-wired cable with lime green 3.5mm
plug
Headphone connection will mute speakers.
1.2.7 Input connectors
Input analog D-sub connector pin assignment
PIN No. SIGNAL
1 Red video input
2 Green video input / sync on green
3 Blue video input
4GND
5 GND --Cable detect
6 Red video GND
7 Green video GND
8 Blue video GND
9 DDC +3.3V or +5V
10 Logic GND
11 GND
12 Serial data line (SDA)
13 H-sync / H+V
14 V-sync
15 Data clock line (SCL)
(2)Input DVI-D connector pin assignment
Pin No. Description
1 T.M.D.S. data2-
2 T.M.D.S. data2+
3 T.M.D.S. data2 shield
4 No Connect
5 No Connect
6 DDC clock
7 DDC data
8 No Connect
9 T.M.D.S. data1-
10 T.M.D.S. data1+
11 T.M.D.S. data1 shield
12 No Connect
13 No Connect
14 +5V Power
15 Ground (for +5V)-- Cable detect
16 Hot plug detect
17 T.M.D.S. data0-
18 T.M.D.S. data0+
19 T.M.D.S. data0 shield
20 No Connect
21 No Connect
22 T.M.D.S clock shield
23 T.M.D.S. clock+
24 T.M.D.S. clock-
Sync polarity:
H-sync positive/negative
V-sync positive/negative

5
190X7&170X7 LCD
Go to cover page
Connectionto PC
If youuseanAppleMacintosh, youneedto connect thespecialMac
adapter to oneend ofthemonitor signalcable.
Frontview Rear View
ConnectingtoyourPC

190X7&170X7 LCD Connection to PC
Connect to PC
1. Turn off your computer and unplug its power cable.
2. Connect the monitor signal cable to the video connector on the back of your computer
3. Plug the power cord of your computer and your monitor into a nearby outlet
4. USB plug
(a) Connect USB upstream port on monitor and the USB port on PC with a USB cable.
(b) The USB downstream port is now ready for any USB device to plug in
5. Turn on your computer and monitor. If the monitor displays an image, installation is complete.
Note: The USB plug is a pass through connection whether it can support USB 1.1 or USB 2.0 depends on your PC's
specification.

7
190X7&170X7 LCD
Go to cover page
On Screen Display
On-ScreenDisplay(OSD)isafeature in all PhilipsLCDmonitors. Itallows anend user to adjustscreenperformance
or select functions ofthemonitorsdirectly throughanon-screeninstructionwindow. A user friendly onscreendisplay
interface is shown asbelow:
Basic and simple instruction on the control keys.
In theOSD shown above userscanpress buttons at the
frontbezelofthemonitor to move thecursor,to confirmthe
choice or change,and to adjust/select thechange
Note:sRGBisastandardfor ensuring correct exchange ofcolorsbetweendifferentdevices(e.g.digitalcameras,
monitors, printers, scanners, etc.)
Usingastandard unifiedcolor space,sRGBwillhelp representpicturestakenbyansRGBcompatibledevice correctly
onyoursRGBenabledPhilipsmonitors. In that way, thecolorsare calibratedand youcanrely onthecorrectness of
thecolorsshown onyourscreen.
ImportantwiththeuseofsRGBisthat thebrightness and contrastofyourmonitor is fixedtoapredefinedsettingas
well asthecolor gamut.Therefore itis importanttoselect thesRGBsettingin themonitor's OSD.
Todoso,opentheOSD by pressingtheOK buttononthesideofyourmonitor.Move thedown buttonto go to Color
and press OK again. Usetherightbuttonto go to sRGB. Thenmove thedown buttonand press OK again to exitthe
OSD.
After this, pleasedonot change thebrightness or contrastsettingofyourmonitor.Ifyouchange either ofthese,the
monitor will exitthesRGBmodeand go to a color temperature settingof 6500K.
TheOSD Tree(page8)
Belowisanoverall viewofthestructure oftheOn-ScreenDisplay. Youcanusethis asareference whenyouwantto
workyourwayaround thedifferentadjustmentslater on.

8190X7&170X7 LCD
Go to cover page
On Screen Display
Only available forEurope Model

9
190X7&170X7 LCD
Go to cover page
On Screen Display
Only available for Nafta Model

10 190X7&170X7 LCD
Go to cover page
On Screen Display
Only available for Asia Pacific Model

11
190X7&170X7 LCD
Go to cover page
Front Control Panel
ToLock/Unlock OSD FUNCTION(User Mode)
TheOSD function can be lockedbypressing"OK"button(1) for more
than 10 seconds, thescreen shows following windows for 3seconds.
Everytimewhen youpress"AUTO" or "OK" button,this message app-
earson thescreen automatically.
ATTENTION SIGNAL
OSD MAIN CONTROLS UNLOCKED
Unlock OSD function
Locked OSD function can be releasedbypressing "OK" button for more
than 10 seconds again
ATTENTION SIGNAL
OSD MAIN CONTROLS LOCKED
NO VIDEO INPUT
This screen appearsifthere is no video signal input.Pleasecheckthat
thesignal is properlyconnectedto thevideo cardofPCandmakesure
PCison
ATTENTION SIGNAL
CHECK CABLE CONNECTION
CANNOT DISPLAY THIS VIDEO MODE..
This screen warnswhen theinputfrequencyfromthecomputer is not
astandardvideo modeoroutofthemonitor's scanning range.
Pleasechange thedisplaymodeofthe operating software inthecom-
puter(i.e.windows) to 1280*1024@60HZfor bestdisplayresults.
ATTENTION SIGNAL
CANNOT DISPLAY THIS VIDEO
MODE,CHANGE COMPUTERDISPLAY
INPUT TO 1280*1024@60HZI
WAIT FORAUTOMATIC ADJUSTMENT
This screen appearswhen youpress the"AUTO" buttonsat thesame
time.Itwill disappear when themonitor is properlyadjusted
ATTENTION SIGNAL
WAITINGFORAUTOMATIC ADJUSTMENT
AGING...
After 15 seconds, bring up:
After 15 seconds, bring up:
AGING...
After 15 seconds, bring up:
----------
----------
repeatly
Connect Signal cable again=> go backto normal display
Access Aging.. Mode
Step 1:Turn off LCD monitor,and disconnect Interface Cable
between Monitor andPC.
Step 2:[PushAUTO" "&" "buttonsat thesametimeand
holdit]+[Press power ""button untilcomesout"AGINGscreen"
]=> then release all buttons.
Bring up:
OSD Lock/Unlock,Aging Mode

12 190X7&170X7 LCD
Go to cover page
Front Control Panel
Access FactoryMode
Howto get into FactoryModeMenu
Step1:
Turn off monitor.
Step2:
[PushAUTO" "&OK" "buttonsat thesametimeandholdit]
+[Press power ""button untill comesout"Windows screen"]
=> then release all buttons
Step3:
Press OK " " button,bringupFactorymodeindication asshown
inFig2.
FactoryModeindicator
FactoryMenu
Cursor can moveongraycolor area
Hot keyfunction:bypressing"up"and"DOWN"key
Simultaneouslyat User Mode(or FactoryMode)
(PS: TheOffset RGBfunction can beusedon reduceoreliminate
snowy noiseonthebackgroundwhen theresolution of video signal
is 1280*1024 vertical 60Hz. Slightlyincreaseordecreasethevalue
untilsnowy noisecompletely disappear
BL : Blacklevel value
SUB-BRI : Brightness valuerange(MinMax)
SUB-CON : Contrastvaluerange(MinMid Max)
SRGB-B : Brightness ofsRGB
SRGB-C : ContrastofsRGB
Gain-m : Minimum valueofUser Gain
Gain-M : Maximum valueofUser Gain
AUTO-SUB: TodoAuto color function when push Menukeyinwhite
pattern
OSDTIMER : OSD timeoutcontrol (sec)
ANG1 : For analogonlyprojectcontrol (0:Dual,1:Analogonly)
IDX : Limitcurrent ofinverter, 170X6: 200, 190X6: 245
SCALER : Read/Write scaler register
NVRAM : Read/Write eepromaddress
Panel :LG(LG.Philips panel)
FacotryModel

13
Go to cover page
Philips' Flat PanelMonitors PixelDefect Policy
Pixels and Subpixels
Typesof PixelDefects
Philipsstrivesto deliver thehighestqualityproducts. Weusesomeof
theindustry's mostadvancedmanufacturing processesand practice
stringentqualitycontrol. However,pixelor subpixeldefectsontheTFT
LCD panels usedinflat panelmonitorsare sometimesunavoidable.
Nomanufacturer canguarantee that all panels will befree frompixel
defects, butPhilipsguaranteesthat any monitor withanunacceptable
number ofdefects will be repairedor replaced under warranty.
This notice explains thedifferenttypesofpixeldefectsand defines
acceptabledefect levels for eachtype.Inorder to qualify for repairor
replacementunder warranty, thenumber ofpixeldefectsonaTFT LCD
panel mustexceedthese acceptablelevels.
For example,nomore than 0.0004% ofthesubpixels ona15" XGA
monitor maybedefective.Furthermore, Philipssetsevenhigher quality
standards for certain typesor combinations ofpixeldefectsthat are
more noticeablethanothers. This policyisvalid worldwide.
Apixel, or picture element,iscomposedofthree subpixels in the
primarycolorsofred, greenand blue.Many pixels together forman
image.Whenall subpixels ofapixelare lit,thethree colored subpixels
together appear asasinglewhite pixel. Whenall are dark, thethree
colored subpixels together appear asasingleblackpixel.
Other combinations oflitand dark subpixels appear as singlepixels of
other colors.
Pixeland subpixeldefectsappear onthescreen in differentways.
There are two categoriesofpixeldefectsand severaltypesof subpixel
defectswithin eachcategory.
BrightDot DefectsBrightdot defectsappear aspixels or subpixels that
are always litor"on".
These are thetypesofbrightdot defects:
Onelitred, greenor bluesubpixel
Twoadjacentlitsubpixels:
-Red + Blue=Purple
-Red+Green=Yellow
-Green + Blue=Cyan (LightBlue)
Three adjacentlitsubpixels
(onewhite pixel)
BlackDot Defects
Proximityof PixelDefects
PixelDefect Tolerances
Blackdot defectsappear aspixels or subpixels that are always darkor
"off".
These are thetypesofblackdot defects:
Onedark subpixel
Twoorthree adjacentdark subpixels
Becausepixeland subpixels defectsofthesametype that are nearby
oneanother maybemore noticeable, Philipsalsospecifiestolerances
for the proximityofpixeldefects.
In order to qualify for repairorreplacementduetopixeldefectsduring
thewarrantyperiod, aTFT LCD panelinaPhilipsflat panelmonitor
musthave pixelor subpixeldefectsexceedingthetolerances listedin
thefollowingtables.
BRIGHT DOT DEFECTS ACCEPTABLE LEVEL
MODEL 170X6 190X6
1 litsubpixel 0 0
2adjacentlitsubpixels 0 0
3adjacentlitsubpixels (onewhite pixel) 0 0
Distance betweentwobrightdot defects* 0 0
Totalbrightdot defectsofall types 0 0
BLACK DOT DEFECTS ACCEPTABLE LEVEL
MODEL 170X6 190X6
1darksubpixel 0 0
2adjacentdarksubpixels 0 0
3adjacentdarksubpixels 0 0
Distance betweentwoblackdot
defects*
00
Totalblackdot defectsofall types 0 0
TOTAL DOT DEFECTS ACCEPTABLE LEVEL
MODEL 170X6 190X6
Totalbrightorblackdot defects
ofall types
0 0
PixelDefect Policy190X7&170X7 LCD190X7&170X7 LCD
170X7 190X7
170X7 190X7
170X7 190X7

Mechanical Instructions
Fig. 3
Clip
Front View
Back View
Step 3:
-Unscrew the four screws as shown in Fig. 5.
- Remove the base.
Fig. 1
Step 4: Remove the front bezel
- Use thin "l" type screwdriver to open 4 clicks on bottom
side as shown in Fig. 6.
- Use thin "l" type screwdriver to open 3 clicks on right
and left side as shown in Fig. 7.
- Use thin "l" type screwdriver to open 4 clicks on top
side as shown in Fig. 8.
Step 1: Use "l" type screwdriver to remove the Logo Cover as shown
in Fig. 3.
Step 2: Unscrew 3 screws as shown in Fig. 4.
Fig. 4
Fig. 5
Fig. 6
========>
========>
========>
========>
14 190X7&170X7 LCD
Go to cover page
Fig. 7
======>
======>
======>

Mechanical Instructions
<======
Go to cover page
190X7&170X7 LCD 15
***************************************************************************
In warranty, it is not allowed to disassembly the LCD panel, even the
backlight unit defect.
Out of warranty, the replacment of backlight unit is a correct way
when the defect is cused by backlight (CCFL,Lamp).
***************************************************************************
Fig. 8
======>
=======>
======>
======>
Step 5: Remove the Back Cover Assy
-Remove the Control Board from the Back Cover Assy
-Unscrew 9 screws as shown in Fig. 9.
-Remove Audio Assy, Earphone Assy,two USB Assy and two LSP
Box from the Back Cover Assy
-Use thin "l" type screwdriver to open clicks on left side, right
side and up side, Remove LCD Panel from Back Cover Assy
shown in Fig. 9.as
<===
CONTROL ASSY
<======
AUDIO ASSY
<======
EARPHONE ASSY Fig. 9
Step 6: Unscrew 14 screws as shown in Fig. 10.
Remove Shielding Cover
Fig. 10
Step 7: Unscrew 9 screws as shown in Fig. 11.
Disconnect 8 connectors as shown in Fig. 11.
Fig. 11
=======>
=======>
SCALER ASSY
LIPS(DELTA)
<======
USD ASSY
Step 8:Unscrew 4 screws as shown in Fig.12.
Remove the metal frame
Fig. 12
Fig.13

16 190X7&170X7 LCD
Go to cover page
Alignment procedure
1. Turn on the LCD monitor.
2.Turn on the Timing/pattern generator. See Fig.1
Resolution :1280x1024(Use the best resolution)
Timing : H= 31.47KHz V=60Hz
3. Preset LCD color Analyzer CA-110
-Remove the lens protective cover of probe CA-A30.
-Set measuring/viewing selector to measuring position for reset
analyzer.(zero calibration) as Fig.2
- Turn on the color analyzer (CA-110)
-Press 0-CALbutton to starting reset analyzer. See Fig.3
Fig. 1
Fig. 2
Cover (black)Cover (black)
Measurement viewing selectorMeasurement viewing selector
Note: after alignment,please reset OSDto user s mode for normal
operation. Otherwise,the monitor won t entering power saving mode
and showing full white picture all the time as no video signal supplied.
To leave factory mode by restart the monitor.
5.Adjust OSDmenu to lower position of screen (i.g. adjust V-position to
value "0"at submenu of OSDSetting.
6. Setting Brightness and Contrast
-Adjust Brightness to value "90".
-Adjust Contrast to value "80" .
7. Switch light probe to Viewing position.
8. Move the Lens barrel forward or backward to get clear image as
showninFig.4
9. Switch light probe to Measuring position. It should be able to indicate
Clear imageClear image
Measurement/viewing selectorMeasurement/viewing selector
Alignment hits: 1. R for x value,Gfor y value,Bfor Yvalue on the
colour analyzer.
2. If the colour analyzer has been calibrated and preset
colour temperature in it. Please switch to correct
setting in accordance with colour settings.
4. Access Factory Mode
How to get into Factory Mode Menu
Step1:
Turn off monitor.
Step2:
[Push AUTO" "&OK""buttons at the same time and hold it]
+[Press power ""button untill comes out "Windows screen"]
=>then release all buttons
Step3:
Press OK""button,bring up Factory mode indication as shown
in Fig3.
Fig. 3
10. Setting pattern to full white picture
11. Press button,then select factory mode indicator by"" ""
button
12. Press""button to bring up submenu windows as below:
13. Press ""or ""button to select R GB.Change the value by
""or ""key until the X,Y co-ordinates as below
Fig.4
15.EEPROMpresetting(B)
After finishing all the adjustment,set:
Brightness control to 100%
Contrast control to 50%
OSDposition at middle of screen
COLORadjusts to 6500K color.
9300°K6500°K
x (center) 0.283 ±0.0200.313±0.020
y (center) 0.297 ±0.0200.329±0.020
sRGB
x(center) 0.313±0.020
y(center) 0.329±0.020
Ynits 180±10
Display Adjustment

17
190X7&170X7 LCD
Go to cover page
TroubleShooting

190X7&170X7 LCD Trouble Shooting
'

19
190X7&170X7 LCD
Go to cover page
Warningmessage
ItemAttentionSignals DisplayTimeConditionAttentionoff
1Cannot displaythis
video mode,change
computer displayinput
to 1280x1024@60Hz
30 mins This warning appearswhenthe
inputsignalfromyourcomputer
is not in astandardvideo mode
or is outofthemonitor s
scanningra
nge. After 30 mins,
monitor enterssleepingmode.
2 NO VIDEO INPUT 30.mins This message appearswhen
there is nosignalinputbutwith
cablewhileAC or DC power on.
After 30 mins, monitor enters
sleepingmode
3 CHECK CABLE
CONNECTION
30 mins This message appearswhena
signalcableis disconnected
whilemonitor is working. After
30 mins, monitor enterssleeping
mode.
4Enter sleep mode3secsThismessage appearswhen
monitor is abouttoenter power
savingmode
5Waitingfor automatic
adjustment
Till automatic
adjustment
finished
This message is displayedwhen
auto adjustmentbuttonis
pressed. Itdisappearswhen
auto adjustmentsare completed
6Use1280x1024 for best
result
On top of
OSD main
menu
This message will showupat
thetopoftheOSD main menu in
redcolor whentheinput
resolutionisnot the1280x1024
7OSDmain controls
locked
3secs/or till
OSD main
controls
unlocked
appear
This message will appear 3
seconds to indicate theOSD
MAIN CONTROLS status when
to lockor un-lockitby pressing
MENU(OK) buttonfor more
than10seconds whilethere is
video inputfromPC.This
functionprovidesthealternative
that user canlockall theOSD
main controlincaseuser don’t
wanttheFOS performance
settingtobechanged, for
instance,duringcommercial
exhibition.

20 190X7&170X7 LCD
Go to cover page
Warning Message
8 OSD MAIN CONTROLS
UNLOCKED
3 secs This message will appear 3
seconds to indicate the OSD
MAIN CONTROLS status when
to un-lock it by pressing
MENU(OK) button for more
than 10 seconds while there is
video input from
PC
9 THISIS85HZ
OVERSCAN, CHANGE
COMPUTER DISPLAY
INPUT TO
1280X1024@60HZ
10 mins This message will appear 5
seconds in every 60 seconds for
10 minutes when the input of PC
video timing is at 85Hz mode.
Remark: AUTO is still functional
in this mode
10 the window of
MONITOR SETUP
60 secs This message will appear when
the OK button is pressed.
11 the window of
BRIGHTNESS
60 secs This message will appear when
the BRIGHTNESS button is
pressed.
12 SELECTED INPUT NOT
AVAILABLE
3 secs When just one input (analog or
digital), press input switch or
hot key, then after show this
warning message 3 sec, return
to original input.
13 SECURITY
PROTECTED, THIS
MONITOR IS GOING
TO ENTER POWER
SAVING MODE IN 15
SECONDS
15 secs This warning appears when the
security was set ON and
someone takes out from the
client PC
14 SECURITY
PROTECTED, THIS
MONITOR IS GOING
TO ENTER POWER
SAVING MODE IN 15
SECONDS
1 mins This warning appears when
Asset management Server
sends power saving command
to client PC
15 the window of
VOLUME
60 secs This message will appear when
the VOLUME button is pressed.
""
"" ""
""
"
"""
""