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.OKIA $ISPLAY 0RODUCTS /Y 0 /"OX &). 3ALO &INLAND
#HASSIS :
(IGH 2ESOLUTION #OLOR -ONITOR
#ONTENTS
3ERVICE #IRCUIT $ESCRIPTION -ONITOR $ISMANTLING 0ART ,IST 0#" 0ART ,IST 0#" ,AYOUT PICTURES
,EVEL
-AIN "OARD MODULE 3-!$ #24 MODULE 3-($
7HEN RE ORDERING MANUALS PLEASE QUOTE THE MODEL NAME AND PART NUMBER
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3ERVICE
#ONTENTS
0RODUCT /VERVIEW 4ECHNICAL 3PECIFICATIONS 0RESET $ISPLAY -ODES -ONITOR #ONNECTION !UDIO &EATURES !UDIO (EADPHONES -ICROPHONE 5SERS #ONTROLS 0OWER SWITCH .ORMAL /PERATIONS 3HIFT /PERATIONS 3ITE 0REPARATION ,OCATION 4ROUBLESHOOTING #HECKING THE /PERATION OF 0OWER 3AVER #ONTROLLING THE -EMORY FOR 0ICTURE !DJUSTMENTS -EMORY FOR 5SER !DJUSTMENTS !DJUSTMENT 2ESETTING THE 5SER MADE SETTINGS FOR GEOMETRY OR IMAGE -EMORY FOR &ACTORY !DJUSTMENTS !DJUSTMENT 3ERVICE -ODE 'ROUPING OF THE ADJUSTMENTS 3ERVICE -ENU !CCESS TO THE 3ERVICE -ODE 'EOMETRY !CCESS TO THE 3ERVICE -ODE 6IDEO )NITIALIZING THE 2EPLACEMENT )# )# ON 3-! 3TORING AND 2ETURNING TO THE 5SER -ODE 7ORKSHOP -AINTENANCE )MPORTANT 3AFETY .OTICE $ISCHARGING THE #24 %3$ 3ENSITIVE 0ARTS 4EST %QUIPMENT 4EST 0ATTERNS $ISASSEMBLY 3TAND ASSEMBLY #ABINET !DJUSTMENT 0ROCEDURE !DJUSTMENT &LOW $IAGRAM 0RELIMINARY 0REPARATIONS 0RELIMINARY 0ICTURE !DJUSTMENTS (IGH 6OLTAGE #OARSE WIDTH 'EOMETRY 'REY 3CALE 4HE -OST 3ENSITIVE #OLOUR ,OW ,IGHT (IGH ,IGHT -AXIMUM-INIMUM #ONTRAST &OCUS #ONVERGENCE -EASURING #ONDITIONS #ONVERGENCE -EASURING 'AUGE 3TATIC #ONVERGENCE $YNAMIC #ONVERGENCE !LLOWED %RROR ,EVELS FOR #ONVERGENCE #OLOUR 0URITY
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0RODUCT /VERVIEW
: IS A INCH MONITOR 4HE MAXIMUM RESOLUTION OF X MAKES THE MONITOR SUITABLE FOR 0# APPLICATIONS USING GRAPHICAL USER INTERFACES 4HE MONITOR HAS AN OWN POWER SUPPLY WITH INPUT VOLTAGE REQUIREMENTS FROM 6 TO 6
4ECHNICAL 3PECIFICATIONS
#ATHODE 2AY 4UBE IN DIAGONAL DEFLECTION ANGLE $ARK ANTIGLARE SPIN COATING 3HORT PERSISTENCE 0 $OT PITCH MM 0ICTURE 3IZE MM X MM WITH SPECIFIED GEOMETRIC DISTORTION -AXIMUM 0ICTURE 3IZE MM X MM DIAGONALLY MM 0OWER )NPUT 2EQUIREMENTS 6OLTAGE 6 (Z !UTOSENSE #URRENT ! 6 ! 6 )NRUSH CURRENT MAX ! PEAK 0OWER $ISSIPATION 7 .ORMAL /PERATION ~ 7 3TAND BY 7 3USPEND 7 !CTIVE OFF -EMORY ,OCATIONS FOR FACTORY PRESET TIMINGS IN USE FREE FOR USER ADJUSTED TIMINGS 'EOMETRIC $ISTORTION 4HE DISTANCE BETWEEN BEZEL AND ACTIVE SCREEN EDGE SHALL NOT VARY MORE THAN MM IN BOTH VERTICAL AND HORIZONTAL DIMENSIONS ,UMINANCE -IN CDM AT CENTER WITH FULL WHITE FIELD 6IDEO )NPUT )NPUT 3IGNAL 2'" ANALOG POSITIVE MAX 6 ¬ (ORIZONTAL ADDRESSABILITY DOTS MAXIMUM 6ERTICAL ADDRESSABILITY DOTS MAXIMUM 3YNCHRONIZATION 2ANGE (ORIZONTAL K(Z TO K(Z AUTOMATIC 6ERTICAL (Z TO (Z AUTOMATIC 3YNCHRONIZATION 3IGNAL 3EPARATE 44, POSITIVENEGATIVE #OMPOSITE 44, POSITIVENEGATIVE -AX $OT &REQUENCY #APABILITY -(Z 4EMPERATURE /PERATING # TO # 0ACKED # TO # (UMIDITY /PERATING TO 0ACKED TO 7EIGHT KG NET KG GROSS 3IZE 4ILT AND 3WIVEL
$IMENSIONS -ONITOR H W D 0ACKAGE ( 7 $
MM MM MM MM MM MM
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!UDIO
!UDIO /UTPUT POWER !MPLIFIER 2-3 POWER )NPUT LEVEL ,INE LEVEL INPUT AT CLIPPING (EADPHONE IMPEDANCE
7 6RMS 6PP OHM
-ICROPHONE -IC AMPLIFIER GAIN D" -IC OUTPUT LEVEL ADJUSTABLE 6PP %XTERNAL -IC INPUT TYPE DYNAMIC CAPACITIVE 3PEAKER .OMINAL POWER 7 .OMINAL )MPEDANCE OHM &REQUENCY RANGE USEABLE AREA (Z K(Z .UMBER OF ELEMENTS TWO PCS 4YPE OF ELEMENT &ULLRANGE %NCLOSURE S TYPE "ACKDAMPED FREE AIR BOX
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0RESET $ISPLAY -ODES
&ULL INTENSITY 6
2IGHT "ORDER
,EFT "ORDER
6IDEO
"LANKING 6
( "LANKING ( &RONT 0ORCH
( !CTIVE 6IDEO ( "ACK PORCH
( 3YNC 3IGNAL
( 3YNC
&ULL INTENSITY
"OTTOM "ORDER
6
5PPER "ORDER
6IDEO
"LANKING 6
6 "LANKING 6 &RONT 0ORCH
6 !CTIVE 6IDEO 6 "ACK 0ORCH
6 3YNC 3IGNAL
6 3YNC
$ISPLAY -ODE -EMORY LOCATION $ISPLAY -ODE .AME ( &REQUENCY K(Z ( 0ERIOD¿S ( !CTIVE 6ID EO¿S ( 2ESOLUTION ( 3YNC¿S ( "ACK 0ORCH¿S 6 &REQUENCY(Z 6 0ERIOD,INES 6 2ESOLUTION 6 3YNC,INES 6 "ACK 0ORCH ,INES ( SYNC 0OLARITY 6 SYNC 0OLARITY 6 &RONT 0ORCH ,INES $OT &REQUENCY -(Z )NTERLACING
.#% NO
.#% NO
.#%
.#%
.#% NO
.#% NO
.#%
.#%
.#%
( &RONT 0ORCH¿S
NO
NO
NO
NO
NO
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-ONITOR #ONNECTION
-AKE SURE THAT THE MONITOR IS DISCONNECTED FROM MAINS AND THE POWER SWITCHES OF THE COMPUTER AND ALL ATTACHED DEVICES ARE TURNED OFF BEFORE CONNECTING THE MONITOR #ONNECT THE SIGNAL CABLE PLUG TO THE VIDEOCONTROLLER CONNECTOR AT THE BACK OF THE COMPUTER 4IGHTEN THE SCREWS ON THE PLUG BY HAND #ONNECT THE POWER CORD FIRST TO THE MONITOR AND THEN TO A GROUNDED POWER OUTLET
0OWER CORD
)F YOUR MONITOR IS $$# COMPATIBLE 0#
$O NOT USE ANY ADAPTER WHEN CONNECTING SIGNAL CABLE TO YOUR COMPUTER $O NOT EXTEND THE SIGNAL CABLE WITH EXTENSION LEAD 4HE $$# SIGNALS WILL NOT ACCEPT EXTENDED CABLE
4O GROUNDED POWER OUTLET 6 (Z 3CREW
)F THERE IS NO $$# IN YOUR COMPUTER 0#
.ORMALLY THERE IS NO NEED FOR ADAPTOR WHEN CONNECTING SIGNAL CABLE TO YOUR COMPUTER
$ISPLAY $ATA #HANNEL $$# 0LUGèNè0LAY 0N0
4HE DATA CHANNEL IS INTENDED TO SIMPLIFY MONITOR INSTALLATION 4HE MONITOR SENDS TO THE COMPUTER DETAILS OF ITS CAPABILITIES 5SING THIS INFORMATION THE COMPUTER MAY CONFIGURE ITS DISPLAY DRIVER TO MAKE BEST USE OF THE MONITOR S FEATURES
3IGNAL CABLE PLUG 4O VIDEO CONTROLLER CONNECTION IN COMPUTER
.OTE
9OUR MONITOR OPERATES ACCORDING TO THE 6%3! $$# LEVEL !" /NLY COMPUTERS THAT SUPPORT THE SAME GUIDELINES AND OPERATE AT THE SAME OR A HIGHER LEVEL CAN MAKE USE OF THIS FEATURE )F YOUR COMPUTER DOES NOT SUPPORT THE RELEVANT GUIDELINES YOU CAN STILL USE YOUR MONITOR AND COMPUTER 9OU MAY NEED TO SPECIFY MANUALLY THE APPROPRIATE RESOLUTION IN THE COMPUTER
3IGNAL CONNECTOR
0IN 3IGNAL 26 '6 "6 '.$ 3GND 2GND 'GND "GND 3YNCGND '.$ 3$! (SYNC 6S 3#, 2ED VIDEO 'REEN VIDEO "LUE VIDEO 'ROUND 'ROUND RETURN FOR SERIAL DATA INOUT 2ED VIDEO GROUND RETURN 'REEN VIDEO GROUND RETURN "LUE VIDEO GROUND RETURN .O #ONNECTION 3YNC RETURN 'ROUND $$# DATA )/ (ORIZONTAL SYNC 6ERTICAL SYNC $$# CLOCK INPUT
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!UDIO &EATURES
-ONITOR HAS BUIL IN BASIC AUDIO FEATURES THE SOUND SYSTEM IS CAPABLE OF PRODUCING STEREO SOUND VIA 2 AND , LOUDSPEAKERS )F THE AUDIO SIGNAL INPUT LEVEL EXCEEDS THE SPECIFIED RANGE THE ACOUSTIC WAVES MAY CAUSE DISTURBANCIES IN THE PICTURE WITH HIGH 6/,5-% SETTING 4HE PICTURE RETURNS TO NORMAL BY REDUCING THE SOUND VOLUME
!UDIO
4HERE ARE TWO 2#! CONNECTORS FOR LINE LEVEL !5$)/ ). IN REAR OF THE MONITOR
(EADPHONES
4HERE IS MM (%!$0(/.% /54 SOCKET FOR AUDIO OUT FOR W HEADPHONE CONNECTION IN FRONT SIDE OF CORNER USAGE WILL SWITCH OFF INTERNAL SPEAKERS
-ICROPHONE
4HERE IS MM %84%2.!, -)#2/0(/.% ). CONNECTION IN FRONT SIDE OF CORNER USAGE WILL SWITCH OFF INTERNAL MICRO PHONE 4HERE IS MM -)#2/0(/.% /54 SOCKET IN REAR OF THE MONITOR
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5SER #ONTROLS
0OWER 3WITCH 4URNING THE -ONITOR /. AND /&&
0USH THE POWER SWITCH TO TURN THE MONITOR ON OR OFF 7HEN THE POWER IS TURNED ON THE POWER ON INDICATOR WILL LIGHT 0OWER ON INDICATOR
'REEN 4HE MONITOR IS IN NORMAL OPERATION "LINKING 4HE MONITOR IS IN 0OWER OFF STATE .OT ILLUMINATED 4HE MONITOR IS TURNED OFF WITH POWER SWITCH OR DISCONNECTED FROM MAINS OUTLET 0OWER SWITCH
)F THE POWER MANAGEMENT FUNCTION WORKS PROPERLY IN YOUR COMPUTER YOU DO NOT NEED TO SWITCH THE MONITOR ON OR OFF )T HAPPENS AUTOMATICALLY 4HE POWER SWITCH DOES NOT DISCONNECT THE MONITOR FROM MAINS )N ODER TO MAKE THE MONITOR COMPLETELY POWERLESS UNPLUG THE POWER CORD FROM POWER OUTLET
.ORMAL /PERATIONS
6OLUME (OR #ENTRING 7IDTH $EGAUSS
3PEAKER /./&& 6ERT #ENTRING (EIGHT
"RIGHTNESS #ONTRAST
0USH 2%3%4
BUTTON DOWN TO RETURN TO THE FACTORY SETTINGS :
3HIFT /PERATIONS
&IRST PUSH THE SHIFT BUTTON AND HOLD IT DOWN DURING ADJUSTMENT OF SHIFT OPERATIONS /RTHOGONALITY %7 !MPL
4RAPEZOID #OLOR 2ESET
#OLOR TEMPERATURE
-OIRE -IC -UTE
-IC ,EVEL
0USH 2%3%4
BUTTON DOWN TO RETURN TO THE FACTORY SETTINGS
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3ITE 0REPARATION
,OCATION
4HIS -ONITOR IS DESIGNED FOR NORMAL OFFICE CONDITIONS )T IS EQUIPPED WITH OWN POWER SUPPLY )T IS NOT TO BE SERVICED OR REPAIRED ON SITE
4ROUBLESHOOTING
,OCAL SERVICE FACILITIES SHOULD PERFORM SIMPLE MAINTENANCE SUCH AS TRIMMING -ORE ADVANCED MAIN TENANCE AND REPAIR THAT REQUIRES REPLACEMENT OF COMPONENTS WHICH IN TURN REQUIRES TESTING AND RE TRIMMING SHOULD BE CARRIED OUT IN A CENTRAL WORKSHOP
3YMPTOM 0ICTURE SCREEN IS BLANK 4HE INDI CATOR ON THE FRONT PANEL IS NOT ILLUMI NATED 4HE INDI CATOR ON THE FRONT TH F T PANEL IS IL LUMINATED -EASURES #HECK THAT THE POWER CORD IS CORRECTLY CONNECTED TO THE MONITOR AND TO THE POW ER OUTLET IF THE MONITOR IS POWERED THROUGH THE COMPUTER CHECK THAT THE COMPUT ER IS SWITCHED ON WITH THE MAINS SWITCH 5SE A DESK LIGHT FOR EXAMPLE TO VERIFY THAT CURRENT IS CONNECTED TO A POWER OUTLET )F NO ELECTRICITY IS CONNECTED TO THE OUTLET CALL AN ELECTRICIAN 5NPLUG THE MONITOR FROM POWER OUTLET FOR ABOUT ONE MINUTE 4HE MONITOR MIGHT BE IN STAND BY POSITION 0USH ONE OF THE KEYBOARD BUTTONS OR MOVE THE MOUSE #HECK THAT THE KEYBOARD S CONNECTION TO THE COMPUTER IS /+ #HECK THAT THE SIGNAL CABLE CONNECTOR IS CONNECTED )F THE CONNECTOR IS LOOSE TIGHTEN THE CONNECTOR S SCREWS 5NPLUG THE MONITOR FROM POWER OUTLET FOR ABOUT ONE MINUTE 3WITCH OFF THE MONITOR AND THE COMPUTER 2EMOVE THE SIGNAL CABLE FROM THE COMPUTER 3WITCH ON THE MONITOR USING THE POWER SWITCH )F A GRAY SLIGHTLY BLINKING FRAME BACKGROUND APPEARS ON THE SCREEN IT IS EVIDENT THAT THE MONITOR FUNCTIONS CORRECTLY AND THE PROBLEM IS CAUSED BY AN ERROR IN OTHER PARTS OF THE SYSTEM #HECK THE SIGNAL CABLE S CONNECTION PINS )F THE PINS ARE SLIGHTLY DISTORTED USE NOSE PLIERS TO STRAIGHTEN THEM 4HE COMPUTER MAY USE A TIMING VALUES WHICH ARE OUT OF THE MONITOR S SYNCHRONIZATION RANGE 0ICTURE HAS COLOUR DE FECTS $EMAGNETIZE THE MONITOR )F COLOUR DEFECT IS REPEATED WITHOUT THE MONITOR HAVING BEEN MOVED IT IS POSSIBLE THAT THE MONITOR IS INFLUENCED BY A STRONG MAGNETIC INTERFERENCE FIELD NEAR TO A HIGH POWER CABLE FOR EXAMPLE 4RY TO FIND A BETTER LOCATION FOR THE MONITOR OR THE INTERFERENCE SOURCE .OTE THAT ANOTHER MONITOR PLACED TOO NEAR LESS THAN CM MAY ALSO GENERATE INTERFERENCE IN THE PICTURE 9OUR COMPUTER MAY USE A TIMING FOR WHICH THE CORRESPONDING PICTURE CHAR ACTERISTIC ADJUSTMENTS HAVE NOT BEEN SET AT THE FACTORY !DJUST THE PICTURE CHARACTERISTICS -AKE SURE YOUR COMPUTER AND VIDEO CARD ARE PROPERLY CONFIGURED FOR YOUR MONITOR #HECK THE PROXIMITY OF OTHER ELECTRICAL DEVICES THAT GENERATE MAGNETIC FIELDS SUCH AS SPEAKERS OTHER MONITORS ELECTRIC FANS AND FLUORESCENT LIGHT FIXTURES 0ICTURE IS BLACK AND WHITE #HECK THAT THE SIGNAL CABLE S CONNECTOR IS COMPLETELY INSERTED 3WITCH OFF THE COMPUTER AND RESTART
0ICTURE IS STABLE BUT DIS TORTED 0ICTURE IS UNSTABLE
#HECKING THE /PERATION OF 0OWER3AVER
4HE PROPER OPERATION OF THE FUNCTION REQUIRES A COMPUTER WITH 6%3! $0-3 POWER MANAGEMENT CAPABILITIES .OTE THAT THE POWER SAVING FEATURE MUST BE ACTIVATED IN THE COMPUTER WHEN CHECKING THE OPERATION
3TATE .ORMAL /PERATION 3TAND BY 3USPEND !CTIVE /FF #OLOUR OF THE POWER ON INDICATOR 'REEN 'REEN 'REEN "LINKING 6 9ES 9ES 9ES 9ES 6 9ES 9ES 9ES .O 6 9ES 9ES 9ES .O (IGH 6OLTAGE 6IDEO 9ES 9ES .O .O 9ES .O .O .O
$0-3 $ISPLAY 0OWER -ANAGEMENT 3IGNALING IS A TRADE MARK OF 6IDEO %LECTRONICS 3TANDARD !SSOCIATION 6%3!
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#ONTROLLING THE -EMORY FOR 0ICTURE !DJUSTMENTS
4HE PICTURE ADJUSTMENT VALUES ARE STORED IN NON VOLATILE MEMORY 4HE MEMORY HAS SEPARATED AREAS FOR 5SER !DJUSTMENTS AND FOR &ACTORY !DJUSTMENTS
-EMORY FOR 5SER !DJUSTMENTS
!DJUSTMENT
)F THERE ARE VALUES AVAILABLE IN THE MEMORY FOR USER ADJUSTMENTS CORRESPONDING TO THE PRESENT TIMING SIGNALS THEY ARE ALWAYS USED .EW USER MADE ADJUSTMENTS ARE STORED TO THE MEMORY FOR USER ADJUSTMENTS
2ESETTING THE 5SER MADE SETTINGS FOR GEOMETRY OR IMAGE
5SER MEMORY CAN BE EMPTIED FROM USER MADE SETTINGS 2ESETTING AFFECTS ONLY THE TIMING WHICH IS CURRENTLY ACTIVE 4HE RESET FUNCTION IS INHIBITED IF NO CORRESPONDING FACTORY PRESET DIS PLAY MODE EXISTS 0LEASE REFER TO CHAPTER 5SER CONTROLS !FTER RESETTING ALL PICTURE PROPERTIES ARE COMING FROM MEMORY FOR FACTORY ADJUSTMENTS
-EMORY FOR &ACTORY !DJUSTMENTS
!DJUSTMENT &ACTORY ADJUSTMENTS CAN BE UPDATED IN SERVICE MODE )F THERE IS NO LOCATION IN FACTORY ADJUST MENT MEMORY FOR TIMINGS CURRENTLY IN USE THE ADJUSTMENT AFFECTS THE MEMORY FOR USER ADJUST MENTS )F THE MEMORY LOCATION MENTIONED IN CASE IS EMPTY THE PICTURE ADJUSTMENT VALUES ARE READ FROM MEMORY FOR FACTORY ADJUSTMENTS &ACTORY ADJUSTMENTS CORRESPONDING TO THE CURRENT TIM INGS ARE TRANSFERRED TO USER MEMORY IF ANY PICTURE PROPERTY IS ADJUSTED !FTER THAT THE OPERATION IS AS IN CASE
4HE MEMORY CAN BE UPDATED IN 3ERVICE -ODE 2EFER TO THE CHAPTER ì3ERVICE -ODEì 4HE MEMORY CAN BE UPDATED IN 5SER -ODE
3TORING )NITIALIZATION
-EMORY FOR &ACTORY !DJUSTMENTS 3-! )#
0RESET 2ECALL 'EOMETRY IMAGE
-EMORY FOR 5SER !DJUSTMENTS 3-! )#
-EMORY FOR "ASIC !DJUST MENTS 6'!
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3ERVICE -ODE
3ERVICE -ODE IS NEEDED FOR UPDATING OF THE FACTORY ADJUSTMENTS FOR TIMINGS LISTED IN THE CHAPTER 0RE SET $ISPLAY -ODES )F THERE IS NO LOCATION IN FACTORY ADJUSTMENT MEMORY FOR DISPLAY MODE CURRENTLY IN USE THE ADJUSTMENT AFFECTS THE MEMORY FOR USER ADJUSTMENTS !CTIVATE 3ERVICE -ODE !,7!93 IN K(Z (Z .#% MODE !FTER INITIALIZING ALSO ADJUST THE MODE K(Z (Z .#% FIRST !FTER THAT MODE CAN BE CHANGED IN CERTAIN ORDER WHICH IS FOUND IN PAGE )F THE CERTAIN MODE IS WANT TO ADJUSTED THE ORDER IN PAGE MUST BE FOLLOWED &OR %XAMPLE BEFORE -EMORY ,OCATION CAN BE ADJUST YOU MUST GO THROUGH ,OCATIONS AND
'ROUPING OF THE !DJUSTMENTS
4HERE ARE TWO GROUPS OF SOFTWARE ADJUSTMENTS IN SERVICE MODE GEOMETRY ADJUSTMENT SET VIDEO ADJUSTMENT SET 4HE FOLLOWING TABLE SHOWS HOW THE ADJUSTMENTS ACT IN RELATION TO THE DISPLAY MODES
!DJUSTMENT
#OMMON FOR ALL $ISPLAY MODES 8 8
3EPARATE FOR EACH $ISPLAY MODE
!VAILABLE IN 5SER -ODE 8
!VAILABLE IN 3ERVICE -ODE
#ONTRAST "RIGHTNESS (ORIZONTAL CENTRING 6ERTICAL CENTRING (EIGHT 7IDTH 0INCUSHION 4RAPEZIUM /RTHOGONALITY 0INCUSHION BALANCE -OIRE (ORIZONTAL RASTER CENTRING ' -AX-IN CONTRAST 2 'AIN " 'AIN
#OMMON MEMORY FOR BOTH MODES
8
#OMMON MEMORY FOR BOTH MODES
8 8 8 8 8 8 8 8 8 8 8 8 8 8
8 8 8 8 8 8 8 8
8 8 8 8 8 8 8 8 8 8 8 8 8
#OMMON ADJUSTMENTS NEED TO BE ADJUSTED ONLY ONCE 3EPARATE ADJUSTMENT MUST BE PERFORMED FOR EVERY DISPLAY MODE TO BE STORED
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3ERVICE -ODE
!CCESS TO 3ERVICE -ODE 'EOMETRY
&IRST SWITCH /&& THE MONITOR WITH POWER SWITCH 0USH 3()&4 DOWN 7HILE KEEPING 3()&4 DOWN SWITCH /. THE MONITOR 2ELEASE 3()&4 AFTER MONITOR HAS BEEN STARTED
(OR #ENTRING 7IDTH
%NTRY 6ERT #ENTRING (EIGHT
3ERVICE MODE 3HIFT 'EOMETRY
/RTHOGONALITY
%7 !MPL %XIT
4RAPEZOID )NITIALIZING
%7 "ALANCE
2ASTER
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!CCESS TO 3ERVICE -ODE 6IDEO
&IRST SWITCH /&& THE MONITOR WITH POWER SWITCH 0USH 2%3%4 DOWN 7HILE KEEPING 2%3%4 DOWN SWITCH /. THE MONITOR 2ELEASE 2%3%4 AFTER MONITOR HAS BEEN STARTED
2ED !MPL
"LUE !MPL
' %NTRY
-AX CONTRAST
3ERVICE -ODE 3HIFT 6IDEO
3AVE AND %XIT
-IN CONTRAST
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)NITIALIZING THE 2EPLACEMENT )# ON 3-! BOARD
)F THE MEMORY FOR FACTORY ADJUSTMENTS IS REPLACED IT MUST BE INITIALIZED $URING INITIALIZING ALL MEMORY LOCATIONS ARE WRITTEN WITH APPROXIMATE VALUES 4HEY MUST BE UPDATED IN SERVICE MODE AS EXPLAINED IN THE CHAPTER !DJUSTMENT 0ROCEDURE !CTIVATE SERVICE MODE 'EOMETRY AS EXPLAINED BEFORE 0RESS ).)4)!,):).' BUTTON 7AIT MIN SECONDS 3WITCH /&& THE MONITOR #AUTION )NITIALIZING OF A PROGRAMMED MEMORY )# DELETES ALL USER AND FACTORY MADE ADJUSTMENTS
3TORING AND 2ETURNING TO THE 5SER -ODE
4HE GEOMETRY ADJUSTMENTS ARE STORED IN TWO SECONDS AFTER EACH ADJUSTMENT 6IDEO ADJUSTMENTS ARE STORED AT THE MOMENT WHEN YOU LEAVE 3ERVICE -ODE $ISPLAY MODES CAN BE CHANGED WITHOUT LEAV ING 3ERVICE -ODE WHEN MAKING DISPLAY MODE RELATED ADJUSTMENTS %XIT FROM 3ERVICE -ODE 6IDEO BY BUSHING 3AVE AND %8)4 BUTTON 7HEN YOU EXIT FROM 3ERVICE -ODE THE MONITOR TURNS TO NORMAL USER MODE )F YOU WANT TO LEAVE THE SERVICE MODE WITHOUT MEMORIZING 6IDEO ADJUSTMENTS SWITCH OFF THE MONITOR IN SERVICE MODE
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7ORKSHOP -AINTENANCE
)MPORTANT 3AFETY .OTICE
4HE COMPONENTS WHICH ARE IMPORTANT FOR SAFETY ARE MARKED WITH SPECIAL MARK ON THE CIRCUIT DIA GRAM )T IS ESSENTIAL THAT THESE CRITICAL PARTS SHOULD BE REPLACED WITH MANUFACTURE S SPECIFIED PARTS TO PREVENT 8 RADIATION SHOCK FIRE OR OTHER HAZARDS &OR YOUR OWN SAFETY USE ALWAYS SAFETY ISOLATING TRANSFORMER WHEN REPAIRING THE MONITOR
$ISCHARGING THE #24
(IGH VOLTAGE CIRCUITRY INCLUDES BLEEDER RESISTOR WHICH NORMALLY DISCHARGES THE TUBE IN ABOUT SE CONDS AFTER THE POWER IS SWITCHED OFF )F YOU FOR SAFETY REASONS WANT TO BE SURE ABOUT THE DIS CHARGING DO AS FOLLOWS 7EAR SAFETY GOGGLES ! CRACKED #24 MAY IMPLODE WHEN DISCHARGED 4HE SIGNAL CABLE MUST BE DISCONNECTED FROM THE COMPUTER 4O DISCHARGE THE #24 A FLAT HEAD SCREWDRIVER WITH GROUNDING CABLE IS REQUIRED $ISCONNECT THE POWER CABLE #ONNECT THE METAL CHASSIS OF THE MONITOR TO RELIABLE EARTH #ONNECT THE GROUNDING WIRE TO THE SCREWDRIVER #ONNECT THE OTHER END OF THE GROUNDING WIRE TO THE CHASSIS EARTH )NSERT THE SCREWDRIVER UNDER THE RUBBER CAP OF THE %(4 CONNECTOR TO DISCHARGE THE TUBE
%3$ 3ENSITIVE 0ARTS
4O PREVENT DAMAGE WHEN WORKING WITH ELECTROSTATIC DISCHARGE %3$ SENSITIVE PARTS OBSERVE THE FOLLOWING INSTRUCTIONS +EEP THE %3$ SENSITIVE PART IN ITS ORIGINAL SHIPPING CONTAINER UNTIL YOU ARE READY TO INSTALL THE PART INTO THE COMPONENT CARD *UST BEFORE TOUCHING THE %3$ SENSITIVE PART DISCHARGE TO THE MONITOR ANY STATIC ELECTRICITY IN YOUR BODY DO THIS BY TOUCHING THE METAL FRAME OR COVER OF THE MACHINE )F POSSIBLE KEEP ONE HAND ON THE FRAME WHEN INSERTING OR REMOVING A LOGIC CARD FOR EXAMPLE (OLD THE %3$ SENSITIVE PART BY ITS EDGE DO NOT TOUCH ITS PINS
4EST %QUIPMENT
4HE FOLLOWING TEST EQUIPMENT ARE REQUIRED TO ADJUSTMENT PROCEDURE 3AFETY ISOLATING TRANSFORMER $IGITAL MULTIMETER &LUKE OR EQUIVALENT TRUE 2-3 MULTIMETER (IGH VOLTAGE PROBE EG &LUKE K 3IGNAL GENERATOR 64' 0# OR PROGRAMMABLE VIDEO GENERATOR #OLOUR ANALYZER EG -INOLTA 46 #OLOUR !NALYZER #! #ONVERGENCE 'AUGE #-!2 OR EQUIVALENT /SCILLOSCOPE -(Z BAND WIDTH (I 0OT TESTER &LASH TESTER WITH INSULATION MEASUREMENT ,EAKAGE CURRENT "REAK DOWN VOLTAGE %3$ PROTECTION NECESSARY
4EST 0ATTERNS
!CTIVE VERTICAL VIDEO TIME
! AREA " AREA
PIXELPIXELPI PIXELPIXELPI PIXELPIXELPI PIXELPIXELPI
!CTIVE HORIZONTAL VIDEO TIME
"LACK 0ICTURE 3IGNAL LEVEL 6 AT EACH 2'" INPUT (IGHLIGHT GREY SCALE TRACKING 3IGNAL LEVEL M6 IN THE WINDOW AT EACH 2'" INPUT #ROSSHATCH 0ICTURE 3QUARES EG MM X MM /UTMOST LINES CORRESPOND THE ACTIVE VERTICALHORIZONTAL VIDEO TIME #ONVERGENCE TEST PATTERN &OCUS TEST PATTERN
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$ISASSEMBLY
3TAND ASSEMBLY
#ABINET
3ET THE MONITOR ON CUSHION PICTURE TUBE FACING DOWN
,OOSEN AND REMOVE TWO SCREWS /PEN THE PLASTIC PAWL WITH SCREWDRIVER MAXIMUM WIDTH MM
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!DJUSTMENT 0ROCEDURE
4HE FOLLOWING PROCEDURE MUST BE CARRIED OUT IN CASE OF LARGE SERVICE OPERATIONS EG WHEN A CIRCUIT BOARD OR NONVOLATILE MEMORY )#! HAS BEEN REPLACED BY A NEW ONE 4HE ORDER OF ADJUSTMENTS EXPLAINED HERE HAS BEEN FOUND TO PRODUCE THE DESIRED RESULT WITH THE MINI MUM OF EFFORT !DJUSTMENTS CAN ALSO BE MADE IN ANOTHER ORDER OR COMPLETELY SEPARATELY
!DJUSTMENT &LOW $IAGRAM
34!24 'RAY SCALE !SSEMBLIES OR COMPONENTS REPLACED ./ 9%3 0ERFORM 0RELIMINARY PREPARATIONS 3EE 4HE MOST SENSITIVE COLOUR 3EE
,OW LIGHT 3EE
(IGH LIGHT 3EE
)#! REPLACED ./ 2ESET USER MEMORY FOR DISPLAY MODES TO BE AD JUSTED 3EE
9%3 -AXIMUMMINIMUM CONTRAST 3EE
3WITCH /&& THE MONITOR AND AC TIVATE SERVICE MODE )NITIALIZING
&OCUS 3EE
#ONVERGENCE 3WITCH /&& THE MONITOR !DJUST THE CONVERGENCE IN THE MIDDLE OF THE TUBE WITH STATIC ADJUSTMENTS 3EE
'EOMETRY !CTIVATE SERVICE MODE AND PERFORM PARA WITH K(Z (Z
!DJUST THE CONVERGENCE IN THE CORNERS OF THE TUBE WITH DYNAMIC ADJUSTMENTS 3EE
2ETURN TO THE USER MODE 0ERFORM PARA AND FOR ALL OTHER TIMINGS
34/0
!FTER INITIALIZING ADJUST !,7!93 FIRST K(Z (Z MODE .#% !FTER THAT YOU CAN CHANGE MODE IN CERTAIN ORDER SEE PAGE WITHOUT LEAVING SERVICE MODE
:
0RELIMINARY 0REPARATIONS
#ONNECT THE SIGNAL CABLE TO THE 0# 3WITCH ON THE MONITOR AND THE 0# ,ET THE MONITOR WARM UP FOR MINUTES BEFORE STARTING THE ADJUSTMENTS
0RELIMINARY 0ICTURE !DJUSTMENTS
3ELECT (:(Z .#% CROSSHATCH TEST PATTERN TO MAXIMUM AND ADJUST UNTIL THE BACKGROUND IS FAINTLY VISIBLE 3ET !DJUST FOCUS IF POOR $O NOT ADJUST ' VOLTAGE WITH POTENTIOMETER OR KEYPANEL IF YOU HAVE REASON TO BELIVE THAT THERE IS NO NEED TO ADJUST GRAY SCALE
2EMEMBER
(IGH 6OLTAGE
3ELECT K(Z(Z .#% CROSSHATCH TEST PATTERN #ONNECT THE HIGH VOLTAGE METER TO THE ANODE OF THE PICTURE TUBE !DJUST THE HIGH VOLTAGE TO q K6 WITH 24ON 3-! BOARD
&RONT
3-! BOARD
24
"ACK EDGE
#OARSE WIDTH
3ELECT K(Z(Z .#% CROSSHATCH TEST PATTERN 3ET WIDTH TO THE CENTER WITH MEMBRANE ADJUSTMENT 3ET WIDTH APPROXIMATELY MM WITH COARSE ADJUSTMENT 24
3-! BOARD
24
:
'EOMETRY
!CTIVATE 3ERVICE -ODE IN K(Z (Z MODE .#% $EGAUSSING MUST BE CARRIED OUT BEFORE THE PICTURE ADJUSTMENTS $EGAUSSING SHALL BE REPEATED IF THE MONITOR IS MOVED 3ELECT K(Z (Z .#% CROSSHATCH TEST PATTERN TO MAXIMUM AND ADJUST UNTIL THE BACKGROUND IS FAINTLY VISIBLE 3ET 2EDUCE WIDTH UNTIL BOTH VERTICAL EDGES OF THE BACKGROUND ARE VISIBLE #ENTRE THE BACKGROUND 4HIS ADJUSTMENT IS COMMON FOR ALL DISPLAY MODES
MM
!DJUST SIZE POSITION AND SHAPE OF THE PICTURE EQUAL TO THE MASK APER TURE !DJUST FIRST THE PROPERTIES WITH LARGEST DEVIATION FROM THE CORRECT VALUE 3ELECT K(Z (Z .#% CROSSHATCH PATTERN !DJUST FINAL WIDTH AND HEIGHT
MM
2EPEAT STEPS AND FOR EVERY DISPLAY MODE TO BE STORED .OTE THAT THE DISPLAY MODE CAN BE CHANGED IN CERTAIN ORDER SEE PAGE WITHOUT LEAVING THE SERVICE MODE
(OR #ENTRING 7IDTH
3ERVICE MODE 'EOMETRY
%NTRY
6ERT #ENTRING
(EIGHT 3ERVICE MODE 3HIFT 'EOMETRY %XIT
/RTHOGONALITY
%7 !MPL
4RAPEZOID )NITIALIZING
%7 "ALANCE
2ASTER
:
'REY 3CALE
4HE GREY SCALE IS ADJUSTED FOR + COLOUR TEMPERATURE !CTIVATE 3ERVICE -ODE 6IDEO IN K(Z (Z .#% MODE
4HE -OST 3ENSITIVE #OLOUR
4HE MOST SENSITIVE COLOUR HAS BEEN MARKED IN A LABEL ON THE DEFLECTION YOKE )T MAY NOT BE CORRECT IF TUBE OR 3-( CARD HAS BEEN CHANGED )N THAT CASE JUDGE THE MOST SENSITIVE COLOUR FROM THE TONE OF THE PICTURE AFTER YOU HAVE MADE THE FOLLOWING ADJUSTMENTS 3ELECT K(Z (Z .#% BLACK TEST PATTERN TO MAXIMUM 3ET AND 3ET 2%$'2%%.",5% "LACK ,EVEL TRIMMER ADJUSTMENTS MAXIMUM 6 24( 24( 24( 3ET ' ADJUSTMENT TO CENTER 0LACE THE PROBE OF THE COLOUR ANALYZER IN THE MIDDLE OF THE SCREEN AND ADJUST WITH ' TRIMMER UNTIL THE PICTURE BRIGHTNESS TO q NIT
,OW ,IGHT
3ELECT K(Z (Z .#% BLACK TEST PATTERN !DJUST PICTURE BRIGHTNESS TO q NITS WITH ' ADJUSTMENT !DJUST WITH ADJUSTMENT THE BRIGHTNESS TO q NITS !DJUST THE COLOUR COORDINATES TO + X q Y q WITH 2%$'2%%.",5% "LACK ,EVEL ADJUSTMENTS $O NOT ADJUST THE MOST SENSITIVE COLOUR TO THE MAXIMUM AND CHECK THAT THE BRIGHTNESS IS STILL 3ET AND q NITS )F NOT REPEAT STEPS AND
&/#53
'
,EFT SIDE VIEW OF THE CHASSIS
(IGH ,IGHT
3ELECT K(Z (Z .#% BLACK TEST PATTERN !DJUST WITH THE PICTURE BRIGHTNESS TO q NITS 3ELECT K(Z (Z .#% WINDOW TEST PATTERN THE PICTURE BRIGHTNESS IN THE WINDOW TO q NITS !DJUST WITH !DJUST WITH 2%$",5% AMPL THE COLOUR COORDINATES IN THE WINDOW TO X q Y q #HECK AFTER ADJUSTMENT THAT THE BRIGHTNESS READING IS IN LIMITS #HECK PARA AND 2EADJUST COLOR TEMPERATURE IF OUT OF TOLER ANCE
-AXIMUM-INIMUM #ONTRAST
3ET TO THE MAXIMUM THE PICTURE BRIGHTNESS OUTSIDE WINDOW TO q NITS !DJUST WITH !DJUST BRIGHTNESS IN THE WINDOW TO q NITS WITH -!8 #/.42 TO MINIMUM 3ET !DJUST BRIGHTNESS TO q NITS WITH -). #/.42 %XIT SERVICE MODE
&OCUS
3ELECT K(Z (Z .#% CROSSHATCH TEST PATTERN 3ET TO THE MAXIMUM AND ADJUST UNTIL THE BACKGROUND IS FAINTLY VISIBLE !DJUST THE SHARPNESS WITH &/#53 TRIMMERS TO OPTIMUM !DJUST UNTIL THE BACKGROUND IS INVISIBLE 3ELECT FOCUS TEST PATTERN #HECK THAT ALL LETTERS ARE CLEARLY VISIBLE
PIXELPIXELPI PIXELPIXELPI PIXELPIXELPI PIXELPIXELPI
:
#ONVERGENCE
2EDUCE FIRST THE CONVERGENCE ERROR IN THE MIDDLE OF THE SCREEN TO MINIMUM USING STATIC ADJUSTMENTS !FTER THE CONVERGENCE IS FAULTLESS IN THE MIDDLE OF THE TUBE USE DYNAMIC ADJUSTMENTS TO ELIMINATE THE ERROR IN THE EDGES OF THE TUBE 3TATIC ADJUSTMENTS AFFECTS THE WHOLE PICTURE AREA MAGNET RING SET ON THE TUBE NECK HORIZONTAL VERTICAL $YNAMIC ADJUSTMENTS AFFECTS A PART OF THE PICTURE AREA DEFLECTION YOKE TRIMMERS
-EASURING #ONDITIONS
!DJUST CONVERGENCE WITH K(Z .#% LINE FREQUENCY -AKE SURE THAT FOCUS IS CORRECTLY SET AT THE MID POINT BETWEEN THE SCREEN CENTER AND THE EDGE OF THE PICTURE 5SE WHITE CROSSHATCH TEST PATTERN WITH CIRCLE !DJUST TO NEAR THE MAXIMUM AND REDUCE UNTIL THE BACKGROUND DISAPPEARS
#ONVERGENCE -EASURING 'AUGE #-!2
4HE USE OF THE +LEIN #-!2 #ONVERGENCE 'AUGE HAS BEEN EXPLAINED HERE BUT OTHER TYPES OF GAUGES CAN BE USED AS WELL #HECK THAT THE ADJUSTING KNOBS ! " ARE SET TO ZERO 0LACE THE GAUGE ON THE LINE WITH MARKING 9 UP UPWARDS WHEN MEASURING HORIZONTAL LINE 0LACE THE GAUGE ON THE LINE WITH MARKING 8 UP UPWARDS WHEN MEASURING VERTICAL LINE )F THE LINE HAS CONVERGENCE ERROR THE LINE IN THE WINDOW SEEMS TO BE BROKEN 5SE KNOBS ! AND " TO ADJUST THE LINE CONTINUOUS )F THE READINGS ARE ON THE OPPOSITE SIDE OF ZERO THE CONVERGENCE ERROR IS !" EG )F THE READINGS ARE ON THE SAME SIDE OF ZERO THE CONVERGENCE ERROR IS EQUAL TO ! IF ! " OR " IF " ! 8 " 9
"LUE
2ED
'REEN
!
3TATIC #ONVERGENCE
4HE MAGNET RINGS HAS BEEN SET TO THE OPTIMUM IN THE FACTORY 2EADJUSTMENT IS NECESSARY ONLY IN CASE THE ADJUSTING MAGNETS HAVE BEEN ACCIDENTALLY MOVED !DJUST ' VERTICALLY IN THE MIDDLE BETWEEN 2 AND " WITH POLE MAGNET RINGS !DJUST ' HORIZONTALLY IN THE MIDDLE BETWEEN 2 AND " WITH POLE MAGNET RINGS !DJUST 2 AND " VERTICALLY TO THE SAME POSITION WITH ' LINE WITH POLE MAGNET RINGS !DJUST 2 AND " HORIZONTALLY TO THE SAME POSITION WITH ' LINE WITH POLE MAGNET RINGS ,OCK THE RINGS WITH PAINT ' 2
2OTATING BOTH RINGS TOGETHER
"
0URITY MAGNET RINGS $O NOT ADJUST POLE MAGNET RINGS POLE MAGNET RINGS
3-(
3LIDING TWO RING TOBS TOWARD OR AWAY FROM EACH OTHER
:
$YNAMIC #ONVERGENCE
0URITY MAGNET RINGS $O NOT ADJUST
2 " 2" 2 "
" 2 2" " 2
2'" 2'" 2'"
"2 "2 "2
2 " 2" 2 "
2" 2" 2"
"2 " 2" 2
2 " 2 " 2 " " 2 " 2 " 2
2"
2"
2" 2" 2"
2 " 2" 2 "
! AREA " AREA
!LLOWED %RROR ,EVELS FOR #ONVERGENCE
&OR HORIZONTAL SYNC FREQUENCIES ABOVE K(Z !REA ! Ì MM !REA " Ì MM
&OR HORIZONTAL SYNC FREQUENCIES BELOW K(Z !REA ! Ì MM !REA " Ì MM
#OLOUR 0URITY
$O NOT MOVE PURITY MAGNET RINGS )F THE PURITY MAGNET RINGS ARE FOUND TO HAVE MOVED DURING TRANS PORTATION OR HANDLING SET THEM JUST IN THE ORIGINAL POSITION BY TRACING THE LOCKING PAINT PUT ON PURITY MAGNET RINGS AND HOLDER OF BEAM BENDER AND THEN READJUST THE STATIC CONVERGENCE :
: