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.OKIA $ISPLAY 0RODUCTS /Y 0 /"OX &). 3ALO &INLAND

#HASSIS 4

(IGH 2ESOLUTION COLOR -ONITOR

#ONTENTS
3ERVICE -ONITOR $ISMANTLING 0ART ,IST 0#" 0ART ,IST 0#" ,AYOUT PICTURES

,EVEL



-AIN "OARD MODULE 3-!% #24 MODULE 3-(' 6IDEO AMPLIFIER MODULE 3-9%

7HEN RE ORDERING MANUALS PLEASE QUOTE THE MODEL NAME AND PART NUMBER

:"

4

3ERVICE
#ONTENTS
0RODUCT /VERVIEW 4ECHNICAL 3PECIFICATIONS 0RESET $ISPLAY -ODES 3 #APACITOR 4ABLE -ONITOR #ONNECTION 5SER CONTROLS 0OWER 3WITCH -ENU 3ITE 0REPARATION ,OCATION 4ROUBLESHOOTING #HECKING THE /PERATION OF 0OWER 3AVER #ONTROLLING THE -EMORY FOR 0ICTURE !DJUSTMENTS -EMORY FOR 5SER !DJUSTMENTS !DJUSTMENT 2ESETTING THE 5SER -EMORY -EMORY FOR &ACTORY !DJUSTMENTS !DJUSTMENT 'ROUPING OF THE !DJUSTMENTS 3ERVICE -ODE 'ROUPING OF THE ADJUSTMENTS 3ERVICE -ENU !CCESS TO THE 3ERVICE -ODE 'EOMETRY AND #ONVERGENCE 'REY 3CALE )NITIALIZING THE 2EPLACEMENT )# )# ON 3-! 3TORING ADJUSTMENTS %XIT FROM SERVICE MODE 7ORKSHOP -AINTENANCE )MPORTANT 3AFETY .OTICE $ISCHARGING THE #24 %3$ 3ENSITIVE 0ARTS 4EST %QUIPMENT 4EST 0ATTERNS $ISASSEMBLY #ABINET !DJUSTMENT 0ROCEDURE !DJUSTMENT &LOW $IAGRAM 0RELIMINARY 0REPARATIONS #OARSE WIDTH 3YNC 2ANGE !DJUSTMENT (IGH 6OLTAGE 0RELIMINARY 0ICTURE !DJUSTMENTS '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

4





4

0RODUCT /VERVIEW
4 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 NON GLARE ANTISTATIC 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 0OWER $ISSIPATION 7 .ORMAL /PERATION 7 3TAND BY 7 3USPEND 7 !UTO POWER OFF -EMORY ,OCATIONS FOR FACTORY PRESET TIMINGS 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 #OMPOSITE ON GREEN 6PP NEGATIVE -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 4

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

-EMORY LOCATION $ISPLAY -ODE .AME ( &REQUENCYK(Z ( 0ERIOD¿S ( !CTIVE 6IDEO¿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 ( &RONT 0ORCH¿S 6 &RONT 0ORCH ,INES $OT &REQUENCY -(Z )NTERLACING NO '4&

.#%

.#%

.#%' .! .! NO

.#% NO





.#% NO

'4& NO

.#%8 NO

.#% .#% NO NO

NO

NO



4

3 #APACITOR TABLE
&K(Z 0! 0! 0! 0! 0! 0! 0! # ,IN # ,IN

4



&K(Z

0!

0!

0!

0!

0!

0!

0!

# ,IN

# ,IN





















4

-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 4HIS MONITOR CAN BE CONNECTS TO THE COMPUTER VIA $ 35" OR ".# CONNECTORS 4HEY ALLOWED CONNECTION OF THE MONITOR TO TWO SIGNAL SOURCES AT THE SAME TIME 4HE DISPLAYED SIGNAL CAN BE SELECTED BY PUSHING THE BUTTON IN FONT PANEL #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

)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

)F THERE IS NO $$# IN YOUR COMPUTER 0#
.ORMALLY THERE IS NO NEED FOR ADAPTOR WHEN CONNECTING SIGNAL CABLE TO YOUR COMPUTER 5SE A 8'! ADAPTOR 1+ IN THE SIGNAL CABLE IF YOU ARE GOING TO USE 8'! DISPLAY MODE X (Z 5SE -!# ADAPTOR 1+ IN SIGNAL CABLE WHEN CONNECTING THE MONITOR TO AN !PPLE -ACINTOSH COMPUTER )F THE COMPUTER IS EQUIPPED WITH SEPARATE DISPLAY ADAPTER CARD )T MAY HAVE A STANDARD $ 35" CONNECTOR )N THAT CASE -AC ADAPTOR IS NOT NEEDED

3IGNAL CONNECTOR
0IN 3IGNAL 26 '6 "6 )$ 34 2' '' "' ,' )$ 3$! (S 6S 3#, 2ED VIDEO 'REEN VIDEO "LUE VIDEO )$ TIED TO ,' WITH OHMS INSIDE MONITOR $$# '.$ 2ED GROUND 'REEN GROUND "LUE GROUND .OT CONNECTED ,OGIC GROUND )$ TIED TO ,' WITH OHMS INSIDE MONITOR $$# 3$! (OR SYNC #OMP SYNC 6ERT SYNC $$# 3#,















4



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 4HE COLOUR OF THE THE POWER ON LIGHT INDICATES THE OPERATING STATE OF THE MONITOR

'REEN 4HE MONITOR IS IN NORMAL OPERATION 2ED 4HE MONITOR IS IN AUTOMATIC POWER OFF STATE .OT ILLUMINATED 4HE MONITOR IS TURNED OFF WITH POWER SWITCH OR DISCONNECTED FROM MAINS OUTLET

)F THE POWER MANAGEMENT FUNCTION WORKING PROPERLY IN YOUR COM PUTER YOU DO NOT NEED TO SWITCH THE MONITOR ON OR OFF )T HAPPENS AUTOMATICALLY

0OWER SWITCH 0OWER ON INDICATOR

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



4

-ENU
"ASIC !DJUSTMENTS 4HE 0)#452% 3(!0% MENU CONTAINS THE MOST USEFUL ADJUSTMENTS 4HE MENU IS CALLED TO THE SCREEN BY PUSHING THE -ENU WHEEL 3ELECT THE PROPERTY YOU WANT TO ADJUST WITH THE -ENU WHEEL EG 7)$4( 4HE SELECTED ITEM IN THE MENU IS ILLUMINATED WITH WHITE COLOR !DJUST THE SELECTED PROPERTY 7)$4( WITH THE -ENU WHEEL 4HE MENU DISAPPEARS AND A SCALE SHOWS THE POSITION OF THE ADJUSTMENT 4URNING THE -ENU WHEEL TO THE RIGHT INCREASES THE PROPERTY AND TURNING THE -ENU WHEEL TO THE LEFT DECREASES THE PROPERTY !FTER ADJUSTING THE NEW SETTING WILL BE STORED AUTOMATICALLY !LL MENU DISPLAYS DISAPPEAR AUTOMATICALLY IN A FEW SECONDS OR AT ONCE BY PUSHING EXIT 4HE LATEST ITEM CAN BE CALLED TO THE SCREEN SIMPLY BY PUSHING THE -ENU WHEEL )F YOU WANT TO ADJUST OTHER PROPERTIES SELECT WITH THE MENU WHEEL THE HEADER WHICH CONTAINS THE ADJUSTMENT YOU ARE LOOKING FOR /PEN THE SELECTED SUBMENU BY PUSHING THE MENU WHEEL






4



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 POWER OUTLET )F THE MONITOR IS POWERED THROUGH THE COMPUTER CHECK THAT THE COMPUTER 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 #HECK THAT THE SIGNAL CABLE CONNECTOR IS CONNECTED )F THE CONNECTOR IS LOOSE TIGHTEN THE CONNECTOR S SCREWS 4HE -ONITOR MIGHT BE IN STAND BY POSITION 0USH ONE OF THE BUTTONS OR MOVE THE MOUSE 5NPLUG THE MONITOR FROM OUTLET FOR ABOUT ONE MINUTE MINUTE 3WITCH OFF THE MONITOR AND THE COMPUTER 2EMOVE THE SIGNAL CABLE FROM THE COMPUTER 3WITCH ON THE MONITOR USING THE POWER SWITCH )F THE 3ELFTEST MENU 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 3ELFTEST MENU APPEARS 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 /PEN THE -ISCELLANEOUS3ELFTEST MENU #HECK THE COLOR OF THE 2ED 'REEN AND "LUE BARS )F THEY HAVE PURE COLORS THE FAULT IS NOT IN THE MONITOR #HECK SIGNAL CABLE CONNECTORS AND THE COMPUTER )F THE MENU ITSELF AND THE COLOR BARS ARE DISCOLORED THE MONITOR IS OBVIOUSLY DAMAGED 9OUR COMPUTER MAY USE A TIMING FOR WHICH THE CORRESPONDING PICTURE CHARACTERIS TIC ADJUSTMENTS HAVE NOT BEEN SET AT THE FACTORY !DJUST THE PICTURE CHARACTERISTICS #HECK THE PROXIMITY OF OTHER ELECTRICAL DEVICES THAT GENERATE MAGNETIC FIELDS SUCH AS SPEAKERS OTHER MONITORS ELECTRIC FANS AND FLU-AKE SURE YOUR COMPUTER SPEAKERS MONITORS AND VIDEO CARD ARE PROPERLY CONFIGURED FOR YOUR MONITORORESCENT LIGHT FIXTURES

0ICTURE HAS STRONG COLOR DEFECT

0ICTURE IS STABLE BUT DIS TORTED 0ICTURE IS UNSTABLE

4HE AUTOMATICAL APPEARANCE OF THE 3ELFTEST MENU ON THE SCREEN MEANS THAT THE SIGNAL IS FAULTY OR MISSING



4

#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 0OWER /FF #OLOUR OF THE POWER ON INDICATOR 'REEN 'REEN 'REEN 2ED 6 9ES 9ES 9ES 9ES 6 9ES 9ES 9ES .O 6 9ES 9ES .O .O 6IDEO 9ES .O .O .O

$0-3 $ISPLAY 0OWER -ANAGEMENT 3IGNALING IS A TRADE MARK OF 6IDEO %LECTRONICS 3TANDARD !SSOCIATION 6%3!

4



#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 !FTER RESETTING ALL PICTURE PROPERTIES ARE COMING FROM MEMORY FOR FACTORY ADJUSTMENTS


-EMORY FOR &ACTORY !DJUSTMENTS
!DJUSTMENT


&ACTORY ADJUSTMENTS CAN BE UPDATED WITH SERVICE MENU IN SERVICE MODE )F THERE IS NO LOCATION IN FACTORY ADJUSTMENT MEMORY FOR TIMINGS CURRENTLY IN USE THE ADJUSTMENT AFFECTS THE MEMORY FOR USER ADJUSTMENTS )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 WITH 3ERVICE MENU IN 3ERVICE -ODE 2EFER TO THE CHAPTER ì3ERVICE -ODEì 4HE MEMORY CAN BE UPDATED WITH 5SER -ENU IN 5SER -ODE

3TORING )NITIALIZATION

-EMORY FOR &ACTORY !DJUSTMENTS 3-! )#

0RESET 2ECALL 'EOMETRY IMAGE




-EMORY FOR 5SER !DJUSTMENTS 3-! )#

-EMORY FOR "ASIC !DJUSTMENTS '4&









4

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

'ROUPING OF THE !DJUSTMENTS
4HERE ARE THREE GROUPS OF SOFTWARE ADJUSTMENTS IN SERVICE MODE 'EOMETRY "ASIC SET 'EOMETRY !DVANCED SET 'REY 3CALE ADJUSTMENT SET 4HE FOLLOWING TABLE SHOWS HOW THE ADJUSTMENTS ACT IN RELATION TO THE DISPLAY MODES

!DJUSTMENT

#OMMON FOR ALL $ISPLAY MODES 8

3EPARATE FOR EACH $ISPLAY MODE 8 8 8 8 8 8 8

!VAILABLE IN 5SER -ODE

!VAILABLE IN 3ERVICE -ODE 8

"RIGHTNESS (ORIZONTAL CENTRING 6ERTICAL CENTRING (EIGHT 7IDTH 0INCUSHION 4RAPEZIUM /RTHOGONALITY (ORIZONTAL CONVERGENCE 6ERTICAL CONVERGENCE -OIRE 0INCUSHION BALANCE (ORIZONTAL RASTER CENTRING 4ILT ' -AX CONTRAST 2 "LACKLEVEL ' "LACKLEVEL " "LACKLEVEL 2 !MP ' !MP " !MP 2ASTER

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

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

4



3ERVICE -ENU
!CCESS TO 3ERVICE -ODE
!CTIVE THE SERVICE MODE ALWAYS IN K(Z (Z '4& &IRST SWITCH /&& THE MONITOR WITH POWER SWITCH 0USH THE -ENU WHEEL DOWN 7HILE KEEPING THE -ENU WHEEL DOWN SWITCH /. THE MONITOR 2ELEASE THE -ENU WHEEL WHEN THE PICTURE HAS APPEARED 0RESS THE -ENU WHEEL )NSERT THE PASSWORD AND SELECT /+ WITH THE -ENU WHEEL 3ELECT THE ITEMS IN THE -ENU WITH BY TURNING THE -ENU WHEEL 0USH THE -ENU WHEEL TO OPEN 'EOMETRY !DVANCED 'REY 3CALE OR 0RODUCT )NFORMATION 3UBMENU OR TO )NITIALIZE THE MEMORY )# !DJUST EACH PROPERTY WITH THE -ENU WHEEL

'EOMETRY "ASIC AND !DVANCED
'EOMETRY SUBMENUS CONTAIN PLACEMENT SIZE AND SHAPE ADJUST MENTS

'REY 3CALE
4HIS MONITOR HAS SIX PRESET TINTS 7ITH TINT NUMBERS SMALLER THAN THE PICTURE BECOMES REDDISH AND WITH TINT NUMBERS GREATER THAN THE PICTURE TURNS BLUE
4INT NO + + + + + + #OLOUR 4EMPERATURE +

4HE GREY SCALE ADJUSTMENT AFFECTS DIRECTLY TINT NUMBER + ONLY /THER TINTS ARE DERIVED AUTOMATICALLY FROM + COLOUR TEM PERATURE

)NITIALIZING THE 2EPLACEMENT )# ON 3-! BOARD
)F THE MEMORY FOR FACTORY ADJUSTMENTS IS REPLACED IT MUST BE INI TIALIZED $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 AS EXPLAINED BEFORE 3ELECT ).)4)!,):).' IN THE 'EOMETRY "ASIC MENU #ONFIRM )NITIALIZATION BY SELECTING 3TART )NITIALIZING AND PUSHING THE -ENU WHEEL 3WITCH /&& THE MONITOR #AUTION )NITIALIZING OF A PROGRAMMED MEMORY )# DELETES ALL USER AND FACTORY MADE ADJUSTMENTS

3TORING THE ADJUSTMENTS
7HEN THE ADJUSTMENT IS READY RETURN TO THE MENU BY PUSHING 4HE -ENU WHEEL 4HE NEW SETTING IS STORED AUTOMATICALLY

%XIT FROM SERVICE MODE 3ELECT EXIT FROM THE 'EOMETRY "ASIC 'EOMETRY !DVANCED OR
'REY 3CALE MENU 3WITCH OFF THE MONITOR



4

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 $ISCONNECT THE POWER CABLE

%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 $IGITAL MULTIMETER &LUKE OR EQUIVALENT TRUE 2-3 MULTIMETER (IGH VOLTAGE PROBE EG &LUKE K 3IGNAL GENERATOR 64' 0# OR PROGRAMMABLE VIDEO GENERATOR #OLOR ANALYZER EG -INOLTA 46 #OLOR !NALYZER #! #ONVERGENCE 'AUGE #-!2 OR EQUIVALENT /SCILLOSCOPE -(Z BAND WIDTH (I 0OT TESTER &LASH TESTER WITH INSULATION MEASUREMENT ,EAKAGE CURRENT "REAK DOWN VOLTAGE %3$ 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 4

$ISASSEMBLY
#ABINET
3ET THE MONITOR ON CUSHION PICTURE TUBE FACING DOWN ,OOSEN AND REMOVE TWO SCREWS /PEN THE PLASTIC PAWL WITH A SCREWDRIVER OR THE SPECIAL TOOL FOR INSTANCE





4

!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 9%3 0ERFORM 0RELIMINARY PREPARATIONS 3EE 4HE MOST SENSITIVE COLOUR 3EE

!SSEMBLIES OR COMPONENTS REPLACED ./

,OW LIGHT 3EE

(IGH LIGHT 3EE

)#! REPLACED ./ 2ESET USER MEMORY FOR DISPLAY MODES TO BE AD JUSTED 3EE

9%3 -AXIMUM CONTRAST 3EE

)NITIALIZING

3WITCH /&& THE MONITOR AND AC TIVATE SERVICE MODE )NITIALIZING 3WITCH /&& THE MONITOR

&OCUS 3EE

#ONVERGENCE !DJUST THE CONVERGENCE IN THE MIDDLE OF THE TUBE WITH STATIC ADJUSTMENTS 3EE

'EOMETRY !CTIVATE SERVICE MODE AND PERFORM PARA WITH K(Z (Z '4&

!DJUST THE CONVERGENCE IN THE CORNERS OF THE TUBE WITH DYNAMIC ADJUSTMENTS 3EE

0ERFORM PARA AND FOR ALL DISPLAY MODES

3EE FOR STORING ADJUSTMENTS

3EE FOR STORING ADJUSTMENTS

%XIT FROM SERVICE MODE 3EE

34/0

4



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

#OARSE WIDTH
3ELECT K(Z (Z '4& CROSSHATCH TEST PATTERN 3ET WIDTH TO THE OF THE MAXIMUM WITH MENU ADJUSTMENT 3ET WIDTH EQUAL TO THE MASK APERTURE MM WITH COARSE ADJUSTMENT 24

&RONT

24

3-! BOARD

"ACK EDGE



4

/PERATING VOLTAGE
#ONNECT THE $6- TO V TEST POINT !DJUST TRIMMER 24 ON 3-! 6 BOARD FOR A VOLTAGE OF q

3-! BOARD

24

"ACK EDGE V TEST POINT

(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 24 ON 3-! BOARD

24
3-! BOARD

"ACK EDGE

0RELIMINARY 0ICTURE !DJUSTMENTS
3ELECT K(Z (Z '4& 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 4

2EMEMBER

'EOMETRY
!CTIVATE 3ERVICE -ODE IN K(Z(Z '4& $EGAUSSING MUST BE CARRIED OUT BEFORE THE PICTURE ADJUSTMENTS $EGAUSSING SHALL BE REPEATED IF THE MONITOR IS MOVED 3ELECT K(Z (Z '4& 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 3TRAIGHTEN THE PICTURE IF TILTED 4HIS ADJUSTMENT IS COMMON FOR ALL DISPLAY MODES #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 !DJUST FINAL WIDTH AND HEIGHT

MM



2EPEAT STEPS AND FOR EVERY DISPLAY MODE TO BE STORED .OTE THAT THE DISPLAY MODE CAN BE CHANGED WITHOUT LEAVING THE SERVICE MODE







4

'REY 3CALE
4HE GREY SCALE IS ADJUSTED FOR + COLOUR TEMPERATURE

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 '4& BLACK TEST PATTERN TO MINIMUM 3ET TO MAXIMUM AND 3ET "LACKLEVEL ADJUSTMENT 2%$'2%%.",5% "LACK ,EVEL TO OF THE MAXIMUM 3ET 2%$'2%%.",5% !MP MENU ADJUSTMENTS TO CENTER 3ET ' MENU ADJUSTMENT TO CENTER 0LACE THE PROBE OF THE COLOUR ANALYZER IN THE MIDDLE OF THE SCREEN AND ADJUST WITH ' TRIMMER UNTIL THE PICTURE BRIGHTNESS IS q NIT

,OW ,IGHT
3ELECT K(Z (Z '4& BLACK TEST PATTERN !DJUST PICTURE BRIGHTNESS TO NITS WITH POTENTIOMETER WITH POTENTIOMETER TO THE MINIMUM !DJUST THE !DJUST THE COLOUR COORDINATES TO + X q Y q WITH 2%$'2%%.",5% "LACK ,EVEL ADJUSTMENTS $O NOT ADJUST THE MOST SENSITIVE COLOUR 3ET TO THE MAXIMUM AND CHECK THAT THE BRIGHTNESS IS STILL q NITS )F NOT REPEAT STEPS AND !DJUST PICTURE BRIGHTNESS TO NITS WITH POTENTIOMETER AND CHECK THE COLOUR COORDINATES

&/#53 6 &/#53 ( '



,EFT SIDE VIEW OF THE CHASSIS

(IGH ,IGHT
3ELECT K(Z (Z '4& 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% !MP THE COLOUR COORDINATES IN THE WINDOW TO X q Y q #HECK AFTER ADJUSTMENT THAT THE BRIGHTNESS READING IS IN LIMITS

-AXIMUM-INIMUM #ONTRAST
3ET TO THE MAXIMUM POTENTIOMETER THE PICTURE BRIGHTNESS OUTSIDE WINDOW TO !DJUST WITH NITS OR ITS MAXIMUM POSITION !DJUST BRIGHTNESS IN THE WINDOW TO q NITS WITH -!8 #/.42!34 TO THE MINIMUM 3ET #HECK THAT THE MINIMUM BRIGHTNESS IS BETWEEN AND NITS %XIT FROM SERVICE MODE

&OCUS
3ELECT K(Z (Z '4& CROSSHATCH TEST PATTERN TO THE MAXIMUM AND ADJUST UNTIL THE BACKGROUND IS FAINTLY VISIBLE 3ET !DJUST THE SHARPNESS WITH &/#53 ( AND &/#53 6 TO OPTIMUM !DJUST UNTIL THE BACKGROUND IS INVISIBLE 3ELECT FOCUS TEST PATTERN #HECK THAT ALL LETTERS ARE CLEARLY VISIBLE
PIXELPIXELPI PIXELPIXELPI PIXELPIXELPI PIXELPIXELPI

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#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 3ERVICE MODE #ONVERGENCE MENU ADJUSTMENTS HORIZONTAL VERTICAL -AGNET RING SET ON THE TUBE NECK HORIZONTAL VERTICAL $YNAMIC ADJUSTMENTS AFFECTS A PART OF THE PICTURE AREA 3ERVICE MODE $YNAMIC #ONVERGENCE MENU ADJUSTMENTS $EFLECTION YOKE TRIMMERS

-EASURING #ONDITIONS
!DJUST CONVERGENCE WITH K(Z '4& 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 !DJUST !DJUST !DJUST


' VERTICALLY IN THE MIDDLE BETWEEN 2 AND " WITH POLE MAGNET RINGS ' HORIZONTALLY IN THE MIDDLE BETWEEN 2 AND " WITH POLE MAGNET RINGS 2 AND " VERTICALLY TO THE SAME POSITION WITH ' LINE WITH POLE MAGNET RINGS 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











4

$YNAMIC #ONVERGENCE
$EFLECTION YOKE TRIMMERS

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

4



$YNAMIC #ONVERGENCE -ENU ADJUSTMENTS !CTIVE THE SERVICE MODE AS EXPLAIN IN 3ELECT $YNAMIC #ONVERGENCE IN 'EOMETRY "ASIC 3UBMENU WITH THE -ENU WHEEL 3ELECT THE POSITION WHICH YOU WANT TO ADJUST WITH THE -ENU WHEEL 0USH THE -ENU WHEEL 3ELECT DIRECTION WITH THE -ENU WHEEL 0USH THE -ENU WHEEL !DJUST $YNAMIC #ONVERGENCE $YNAMIC #ONVERGENCE ADJUSTMENTS AFFECT ONLY TO THE SELECTED LOCATION OF THE X CROSSHATCH PICTURE )NITIALIZING THE $YNAMIC #ONVERGENCE SETS ALL THE $YNAMIC #ON VERGENCE ADJUSTMENTS TO THE CENTRE POSITION

!LLOWED %RROR ,EVELS FOR #ONVERGENCE !REA ! Ì MM
! AREA " AREA

!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



4

",/#+ $)!'2!-

0AGE NUMBERS REFERENCES THE PAGE NUMBERS OF THE SCHEMATIC DIAGRAMS

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X PROBE









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