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AR-600/ARK-700 SERIES

1. 3 12 3 11 The movement of the measuring unit is not smooth on a plane 3 12 3 12 The vertical movement of the measuring unit is not smooth 3 12 3 13 The measuring unit is unstable 3 13 3 14 The alignment light does not appear only for AR 600 series 3 13 3 15 The Mire Ring does not appear only for ARK 700 series 11111111111 3 13 3 16 The mod l eyo imas eisnpotelenru u u do EWA AWA EANES 3 14 5 7 AR measurement docs pot STATT zc COR iai uia ud a 3 14 3 18 The message Err appears during AR measurements 3 15 3 19 Only the obtained SPH value is shifted 3 16 3 20 The obtamed CYL value is too high uuu L u u pri EA AGA 3 17 3 21 A short beep can not be heard when pressing the Start button 3 18 84 95 S6 3 22 The IOL mode can not be turned ON rrenan 3 18 3 23 The Cylinder mode can not be changed 3 18 3 24 The instrument can not recognize the left and right 3 19 3 25 The Instrument can not be placed in the PD mode 3 19 220 The ob
2. 6 1 6 3 Checking output voltage on PC7 boatrd 6 2 6 4 Checking output voltage from backup battery 6 2 6 5 Checking voltage in D1 and D2 on the PCO board 6 3 7 Checking continuity of switches 7 1 TAS TAS ZR 7 1 12 WI Chos On IS C DOGR peta sree es aca ps eae ease ae eee 322 7 1 7 3 Switches on the PCO board except AR 600 7 3 7 4 Switches on the PC12 board only for AR 660A and ARK 760A 7 4 CRCEKIME CIECEIC parts acz z Acid cii ciecia rka 8 1 8 1 Checking origin sensor for the chart carry 8 1 8 2 Checking L R origin sensor except AR 600 amp ARK 700 8 2 8 3 Checking the Origin sensor for the Rotator 8 3 8 4 AR measurement LED and LED cable 8 4 gt Weck ie the ILELUME LED volie osrin nenn renn a ETA RE 8 5 8 6 Checking the Chart lamp voltage an ene nee A 8 5 8 7 Checking the alignment light LED voltage
3. a a a hy O a 3 9 PCS NE Ne a fi a jot A o ACE 2 NN AL am q 8 ircu TZ 7 LADY Focus gp r E LR Y A CAMERA kh LE 6 EA4 1LLUMI PCa A03 INC DEC a Common Common EAS AR 9A AR 9A SW BOARD PC FASS EMO A19 DISPLAY BOARD E o PHOTO SW DE PIS GUARD Pa mm En SPD BOARD ROTATOR PH E TARGET PH CHART LAMP PC14 EAJd ADJUST BOARD PC MAIN BOARD POWER SUPPLY BOARD PC22 L J JL J Er TRACKING BOARD TRANS FORMER VORTAGE SELECTOR Common SENSOR POT SENSOR MOTOR PCI6 EAST FADA 5 MONITOR iF E R i R ORIGIN AR LED E0018 Common ak 2t a w TAJO CCD CAMERA ORIGIN 07704 SANA EOLA 222 LIN PRINTER 2 PCI6 L ORIGIN AC U D WOTA ud LIMIT RA MOTOR EM6 EM A48 AR 600A WIRING DIAGRAM LNM 16 7 e AR 660A CONSTRUCTION DRAWING lt W E lt SIE Zes LEAN 2 Res I NTT iu ORL ORIGIN y B x INU 16 8 e AR 660A CONSTRUCTION DRAWING U LIGN LED ATOS i 47 Sa o gt NA LE 16 9 EM sas E Em Es E RUO omen Common EA37 ILLUN CAOS SW BOARD AR 34 AR 9A f z 5439 Sl PCTS 3 E ES ey er al a z o 2014 a B0ARD US GW 1 GLI ft cuz Er ORIGEN ORIG
4. 8 5 So Hecke th POLED yola uu AGA oe e rE A 8 5 8 9 Checking the FOCUS LED voltage only for AR 600A AR 660A 8 6 8 10 Checking the AKM LED voltage only for AR 700 Series 11111111111 8 6 8 11 Checking the AKM LED voltage except AR 600 8 6 9 REDKIEME ri CUNT pq u u Pi 9 1 9 1 Replacing PC1 MAIN board 9 1 9 2 Replace PC2 DISPLAY OO AEC uu u doses EG O R e 9 2 9 3 Replacing PC3 INC DEC SW board except AR 600 9 3 9 4 Replacing PC6 ADJUST board 9 4 9 5 Replacing PET POWER SUPPLY board ai o ul a W WO 9 5 9 6 Replacing PCS PRINTER board and printer 9 6 9 I Replace PCT0 CN Dan uu u u qn nn 9 8 9 8 Replacing PC12 CHART SELECT SW board 9 10 9 9 Replacing the PC22 TRACKING boatd 9 11 9 10 Replacing the PC23 PD CCD boa zai l A 9 12 9 11 Replacine the PC24 PD LED board JL L uui 9 13 9 0 REpDIACINO CE AE 10 1 10 1 Replacing the trasto ner sea Er i e aria d 10 1 10 2 Replicine the Joane roto ai 10 2 10 Cleanine and replacine the Sd Plate 10 3 10 4 Replacing
5. CCD CAMERA FOOTA 4 A AC we UZO MOTOR U D LIMIT EA46 EA47 o ARK 700 WIRING DIAGRAM 16 13 LUNA e AR 700A CONSTRUCTION DRAWING LOWER LIMIT P Z In Biri LIMIT i a Cla MOTOR MNS 16 14 e AR 700A CONSTRUCTION DRAWING 20 PB C5 Fa OTOR a A Eq lo O 7 mi a ha aa I SE SENSOR y Pa SENSOR POT Ma p gt lt EE R NN ae d a PE AL Vs f A L A lj gt A Ea ARRY PH AR Fa F gt CHART C ae os 4 Ja DS pr N WI LAN s LG By w E AOBA v SiS LAA N va FE or NZ A Z BMG N SERA Z I J a Z PC11 W ODDZ ras a J PC14 E Fe J x PE N S bS z H gt 6 gt e dia NESTA de AL ij o NEM A PZ RZA 7 a Jf Pa POA Y cce N a ud SC DA ce R R s KS aS E 0B I5 00 Common Common EAS 008 End AR J AR 9A 3 LLUMI a 455 m M PC us SPO pca EMA BOARD al KM LED gt La f ag 2013 9 191 J H 5 4 2021 MF J Y CCO 30420 vd 2077 7508 7 AA O J dd POZI X CED BOARD 5 PC20 MIRE WR EAG4 ao E PCE 5 PC MAIN 8CARD E sA ADJUST BOARD Pia Ema CHART LAMP POWER SUPPLY BOARD IC card EAZ4 TRANS FORMER VGATAGE MIRROR MOTOR SENSOR POT EAS SELECTOR alo i e PCIG 4 R ORIGIN JR LE 8 20
6. At that point move the LED cable and check to see that the lights do not blink The blinking lights show signs of breaking LED cable If the LED is not lit check the continuity between 1 3 pin and 2 3 pin with a multimeter Since the LED is included in the circuit a multimeter will not read 0Q But if the LED cable has a break a multimeter will show no indication The polarity of probes of multimeter does not matter Rotate SPD clockwise and check to see that the target square is tangent to two lights of LED Model eye image Target square Model eye frame Model eye frame N MMMM SS SSSS S U U 8 5 8 5 Checking the ILLUMI LED voltage 1 Remove the Left Right covers and frame Then disconnect the connector P614 Turn on the Power Switch See 5 2 Check the voltage between 1 pin and 2 pin of J614 with a multimeter Confirm that it reads around 5V Multimeter s probe I pin 2 pin 8 6 Checking the Chart lamp voltage 1 Remove the Left Right covers and frame Then disconnect the connector P617 Turn on the Power Switch See 5 2 Check the voltage between 1 pin and 2 pin of J617 with a multimeter Conform that it reads around 5V Multimeter s probe 1 pin 2 pin 8 7 Checking the alignment light LED voltage 1 Remove the Left Right covers and frame Then disconnect the connector P613 Turn on the Power Switch See 5 2 Check the vo
7. IA Mos 4 5 Measuring the Steel balls 1 Attach the Model eye ARKJ 4 to the Forehead rest 2 Turn the Power switch ON Pressing ea the instrument will be placed in the lt K gt KM measurement mode 3 Perform fine alignment and focusing and start measurement When measuring the steel balls the range that you detect focusing is 0 1D This can cause an error in measurement Therefore every time move Joystick to the same direction in order to perform a precise alignment 4 6 Tolerance on KM measurement error See the table on the right TOLERANCE Removing covers 5 sa us 5 1 Removing the Front Left and Right covers 1 Remove two caps 541 on the front cover Remove them with a screwdriver so as not to scratch the caps 541 o RE PC3X8 are 2 Unscrew PC3 x 8 n 2 E located under the It is not possible to remove the Front cover two caps yet 3 Unscrew PC4 x 6 n 4 fixing the Left and Right covers at the bottom of them 4 Insert a metal scale or an equivalent in a clearance between the left and right covers and release the fixing lip to remove the covers 502 The left and right covers are combined with AR three fixing lips O and as shown in the figure a A fixing lip of the Left cover Metal scale SY b Insert a metal scale to hooks the Right cover in this way release the fixing lip Right cover Left cover c To
8. 2 Remove the frame 3 Turn ON the Power switch Check the voltage between the leads of two zener diodes Confirm that it is within 5 of the specified voltage Observe the correct polarity for multimeter s probes eckin 7 S gt conny 22 M ZZZZAZy Remove the Left and Right covers and frame and then disconnect the connector P104 to check each switch As there are a diode for static protection on the circuit pay attention to polarity of multimeter s probe Following figures tell plus or minus of multimeter s probe which is connected to each pin 7 1 START SW Check the continuity between the following pins of P104 to confirm the switch s correct operation P104 PJ201 PJ202 START SW tis possible that the cables in the Joystick have a break Confirm that there is no break in the cables while operating the Joystick 7 2 Switches on the PC2 board Check the continuity between the following pins of P104 to confirm the switches correct operation lt PRINT SW gt P104 PJ201 LNM SS S0SDSSSS U 2 lt SCALE SW gt tes MMM UU 1 3 7 3 Switches on the PC3 board except AR 600 Check the continuity between the following pins of P104 to confirm the switches correct operation P104 PJ201 PJ203 SW1 Switches positions and numbers differ according to each model See the above table IA Ms 7 4 Switches on the PC12 board only for AR 660A and ARK 760A Check the conti
9. Common LCD CAMERA c a N EA49 EQOA PRINTER Z 4 1 5 PCIE L ORIGIN AL o u UD MOTOR 4 0 LIMIT RA MOTOR EA46 EAST EAS ARK 700A WIRING DIAGRAM LNU 16 16 AR 760A CONSTRUCTION DRAWING PC13 TAO A sa SE re M NN SS A ai poe GA lt ss PA ar 2 UPPER LIMIT MON DS C12 NEO L 327 cu ores GP RL DOWN MOTOR 3 i no ui Lez CL2 PM Yi 16 17 INN e AR 7604 CONSTRUCTION DRAWING MOTOR POT SENSOR SENSOR ARRY PM HART i w 4 DE PR i MA 3 ty ASM H A J j SSE tr p I E A a A I j ae ON X gt Td i PL I A E af PC 21 CCD E 16 18 008 EMI PCJ 5 Comm Eos INDEC W RES a NE ka I S calg pE z HI 438 E R DISPLAY 30480 5 2 We TS moto TE Z lt cia SAM BOARD E ai i zi a O A GI i tery ES I I a a cL lt E REGIN ORIGINS ORIGIN L u Q gt Jj ET g ee ra Pa a Nod PG13 m 20 CCO 20480 a 2 she 2 3 i E f JI EX ur o u E i 40 2420 cAB4 PCI MAIN BOARD gt E Ald CHART LAMP PONER SUPPL f BOARD VORTAGE oe SENSOR MOTOR PCL Par me etig CASS ES R ORIGIN gt AR LEJ L Common 48 20 J z PCIR C ORIGIN 2 4 PC16 MONITOR 29018 CCD CAMERA cODIA SA INTER ORIGIN A ou ar UZO MOTOR U C LIMIT RAL UOTOR EA
10. Program functions are set with the ROTARY SW Refer to the comparative chart of model and functions Princi Measurement 1 SY U yy yy II NN 1 Outline of AR measurement principle AR 600 and ARK 700 series uses invisible infrared rays as the light source for measurement The infrared rays are projected thorough the slit on the patient s retina and the image formation on the Patient s retina is detected by the photodetector and transmit it to the mechanism that determine the refractive power NIDEK Auto Refractometer derives the patient s refractive power from a slit travel by servo mechanism and from calculation by microcomputer 2 Description of AR measurement principle The Figure 1 illustrates the optical system the slit images S are projected on the retina R by the light sources LS and the refracted light from the retina reaches the photodetector PD The light sources are located at A and B as shown in the figure The slit with a round aperture moves in accordance with the photodetector The slit images projected by the light sources pass through the objective lens in optical emitting system L2 and they are focused on retina through the patient s crystalline lens The slit images formed on the retina are refracted by the half mirror HM again through the objective lens in optical receiving system L3 and finally the images are formed on the photodetector EYE HM L2 9 LI LS P ER ES Measuring li
11. e fwv PJ103 15V D Kar ICC rs nae OPEN PJ201 FLAT CABLE BLUE LINE FLAT CABLE BRN RED ORN YEL GRN BLU VIO GRY WHT BLK RIBBON afe IC LNM SSS S0DS 16 23 a 5 HED re pow om o urmoror Leo mus CIC foo erozon 18 CL2 ORIGIN 19 LED SCK 20 LED LATCH e evo E s efom econ apa w ofon acne wA dT MMM 16 24 S C A ENCODER neon e os s e rora fever Po veo j PJ112 VIDEO OUT WHT P004 GND SHIELD J001 MONITOR PJ605 MIR MOTOR VIO MIR MOTOR BLK LUNA PJ609 1 CH PM COM CH PM COM BRN RED ORD YEL GND YEL a onon _ e forro efe PJ613 ALIGN LED A ORN BLK ALIGN LED K PJ614 1 ILLUMI LED A RED D GND BLK efre efie PJ616 MIRE LED A MIRE LED A MIRE LED K BRN RED BLK 16 25 MN 16 26 SER PRINTER LIN PRINTER pam iow Tomo os PPR fea s j 5V PJ704 FLAT RIBBON TI mn A m x 319 L O O N N N N N _ oO P PM COM P PM COM 0 P PM q 1 THERMISTOR THERMISTOR 2 2 o3 Vo A iz kaz 1 AA 26 __ 27 __ 28 __ AA AA a s ve Tu NN 16 27 MNA Err Err Err Err Err Err Paper is lack or the paperweight is lift up The HOME SW does not work 9 Err Err Err Err Err Er IF 13 15 16 re
12. 3 While moving up and down the measuring unit loosen the screw SB3 x 4 and position the Lower limit switch so that it conducts at the position where the pulley is returned a half turn from its mechanical limit AAA MEE 10 14 Replacing the Left and Right limit sensor unit except for AR 600 and ARK 700 Replacement parts 32907 EA49 1 Remove the Left Right covers Frame and the Rear cover of the measuring unit See 5 2 Remove the connector and screw CK2 x 4 Then replace the Left and Right limit sensor unit with a new one Three sensors are included in the early models as the Left and Right limit sensor unit but one of the sensors attached on the left is not activated The sensor R Connected to 1 4 pin of P2207 The sensor C Connected to 5 8 pin of P2207 lt Checking if the horizontal travel of the Main body is 6mm gt 1 Set Switch 4 of switchpack to the ON position 2 Press and place the instrument in the TRC ADJUST MODE 31 3 Press and move the measuring unit to the right or left 4 Verify that the horizontal travel between the left limit and the right limit of the measuring unit is 6 Imm Draw lines of the right and the left limit position measured with the shading plate on the measuring base If itis not 6 Imm adjust the fixed positions of sensors INU A 16 5 Press um The measuring unit will moves to its center Draw lines of the center position measured
13. 42590 oaie Standard data 3491 0DA3 M DATA from instrument to instrument c J gt 1 R10X3 2620 043 R10X4 gt 3717 IE RI0YJ 0602 0254 All the items in the DATA will be memorized SM 41734 0885 UAQ7 M RIOYA 3551 by setting SW3 of switchpack I on the PCI ZU e 7 5600 board to the OFF posttion Print out the TY 30 4600 6018 TZ 30 6000 1770 DATA once to check it IXM 30 5600 6400 TYM 30 4500 Z 6018 RELC33 0 0060 003 RLHC33 1 0200 00C8 VDL 32 0 0060 004 UDHC 32 1 0200 00C8 The DATA will be stored in any MODE MODE 10 20 by setting Switch 3 to the EE w KL1 34 0005 0005 KL3 35 0005 0005 position WIR 36 40285 00FF ALIC37 0255 00FF ILL 38 0255 00FF FOX 39 0 1650 0672 FOY 39 1 2250 OBCA A1X 40 0 0250 00FA A1Y 40 1 0300 0120 A2X 41 0 1650 0672 AZY 41 1 2250 QCA 8110 42 0 0065 0041 831 42 1 0130 0082 851 42 2 0190 DOSE B12 43 0 0170 00448 832 43 1 40280 7 0118 j 852 43 2 0380 017c AS1 44 0004 0004 AS2 45 0004 0004 eee m A A m A A A AE A A OSW on Main Board 12345678 A MO Y 1 11 8 1 Setting Sensor Offset SO 1 Disconnect the P101 connector Connect the special tool between 1 and 3 pins 2 and 3 pins to short circuit the 1 2 and 3 pins of the J1 connector on the PC1
14. Y Does the symotom clear OK N Replace the PC1 board with a new one See 9 1 3 34 The instrument can not be placed in the VA TEST mode Check the following connector PJ108 PC1 Also check the state of soldered connection For the details of each connector see the Wiring Diagram and connector table attached to this manual Does the VA switch on the PC12 board func Replace the PC12 board with a new one tion noramally See 7 4 See 6 8 Replace the PC1 board with a new one See 9 1 MNA S S SSSS W 3 25 3 35 VA Charts can not be changed Check the following connectors PJ104 PC1 PJ201 PJ203 PCZ Also check the state of soldered connection For details of each connector see the Wiring Diagaram and connector table attached to this manual Do the switches a and Replace the PC3 board with on the PC3 board function a new one See 9 3 normally See 9 1 Replace the PC1 board with N Replace the PC2 board with 3 36 The presented chart is out of focus during the subjective measurement except when a patient has irregular astigmatism Are CL1 and CL2 of N Set CL1 and CL2 of EEPROM DATA normal EEPROM DATA to their See 11 8 specified values See 11 8 Y Replace the Cylinder unit 32908 3160 See 10 20 Y Does the symptom clear N Replace the PC1 board with a new one See 9 1 2 A INU 3 26 3 37 The message Err IF Interface Error a
15. e AR 600 ARK 700 SERIES CONNECTOR TABLE 16 22 ERROR CODE CHART pura OO 16 28 ASA 1 7 O e This manual provides information on after sales servicing procedures of NIDEK AUTO REFRACTOMETER AR 600 series and AUTO REF KERATOMETER ARK 700 series e For correct after sales service it is necessary to understand this manual thoroughly before Service e If the instrument cannot be repaired by following the procedures described in this manual contact NIDEK or your authorized distributor and let us know the serial number and details of the symptom If it is possible to obtain measurements in the condition also send us the data obtained by measuring with the model eye 10D OD 10D and steel balls 5 95mm 7 94mm and 9 13mm TROUBLESHOOTING 2 Z 5 E V5771 g rr I7 777 ue For correct after sales service follow the procedures described in 2 1 Check flows and items to be checked of this manual For operating procedure refer to Operator s Manual for each instrument If you encounter any abnormal condition track down the failure s source as described in 3 TROUBLESHOOTING and then immediately turn OFF the Power Switch of the instrument Before disassembling the instrument be sure to turn OFF the Power Switch and disconnect the power cord from the wall outlet In 3 TROUBLESHOOTING check the following for cables referring to the attached WIR
16. turn the gear seen on the cover backward to take out the used paper roll 2 Unscrew CK2 x 4 n 3 to take off the Cover I 3 Unscrew PC3 x 6 n 3 a connector to take off the Printer and the PCS board 4 Unscrew TC2 x 4 and the connector P802 to replace the printer with a new one Do not touch the cable contact of the connector P802 directly with hands If it gets dirty wipe it with acetone Also note that the cable contact may be damaged by connecting and disconnecting the connector five or six times 5 Remove CK2 x 4 n 4 and the Stay to replace the PC8 board Printer LMNM SS IT For AR 600A AR 660A ARK 700A and ARK 760A Replacement parts PC8 32907 BA08 PRINTER 32907 E022 serial printer 1 Draw out the printer turn the gear on the cover backward to take out the used paper roll 2 Unscrew CK2 x 4 n 3 to take off the Cover 3 Remove PC3 x 6 n 3 a connector to take off the Printer and the PC8 board 4 Remove TC2 x 4 n 2 and the connector J802 to replace the printer with a new one Do not touch the cable contact of the connector J802 directly with hands Ifit gets dirty wipe it with acetone Also note that the cable contact may be damaged by connecting and disconnecting the connector five or six times 5 Unscrew CK2 x 4 n 3 and to replace the PGS board QI7 Z7 A 8 9 7 Replacing PC10 MIRE board For ARK 700 sertes Replacement parts 32
17. 3 2 2 Err 2 Chart carry error appears 3 3 do B ROLA CEEOL AG rL u u ARA A 22 3 4 So Era Charterror Qppeals A A 3 5 3 2 5 Err 5 CL1 error or Err 6 CL2 error appears 3 5 Dae EPA pinter error appears ends 3 6 3 2 7 Err amp serial printer error appears 3 6 3 2 8 Err 9 MEMORY FAILURE ON E2PROM appears 3 7 3 2 9 Err A MEMORY FAILURE ON RAM appears 3 7 DLO TD LL NAS u asum n zas O ATZ PE su 3 8 3 3 The shutter does not open only for AR 600 whose S N is earlier than 10121 3 9 3 4 The raster does not appear The TV monitor does not light well 3 9 3 5 Eye Image does not appear on the TV monlfor 3 9 3 6 The characters or target are not clear or they do not appear on the TV monitor 3 10 3 7 The switching between the manual mode and auto tracking mode can not be done EWC 3 10 3 8 The instrument can not be placed into the mode where the objective measurement is performed 3 10 3 9 Whe parameter settings can not be changed uuu yaya W RSRS a 3 11 3 10 The measuring mode can not DE changee d
18. 8 and lt s replace the motor with a new one gt gt MAU luhihu_ L LrkL x xkna pkiyi91una9x x1 2894 n8n n8 nan9nN0n i_i_nia nNA_ _80 n_10 18 10 17 Replacing the TV Monitor Replacement parts 32903 E001B 1 Remove the Rear cover and TV panel See 5 2 Disconnect the connectors 3 Remove the screws AS3 x 6 and 176 and replace the TV monitor with a new one The Joystick may obstruct the replacement work It is possible to bring the TV monitor toward the Joystick by removing the bottom cover Image centering may be slightly shifted The shift can be corrected with H V volume If it can not be corrected completely it is necessary to perform image centering See 11 9 4 Fit the parts in reverse order P004 can be connected to either JI VIDEO IN or J2 VIDEO OUT MMA 777 10 19 10 15 Replacing the CCD camera Replacement parts 32903 E001A 1 Remove the Left Right covers Rear cover of the measuring unit and Inner cover See 5 2 Disconnect the connectors For AR 600 disconnect P004 only 3 Unscrew AS3 x 8 n 3 and replace the CCD camera with a new one 4 Unscrew CK2 6 x 4 n 4 and then remove CCD camera 428 and 429 5 Unscrew FC 2 6 x 4 and replace CCD camera with a new one 6 Turn ON the Power switch and verify hat the target square is in focus If it is out of focus adjust the lens focus of the CCD 428 429 camera
19. Are the measuring light source LEDs normal See 8 4 Replace the PC1 board with a new one See 9 1 Y Does the symptom clear Perform sensor N calibratoin See 11 6 Replace the PC6 board with a new one See 9 4 Is the Target square in the Adjust the Target square po correct position sition See 11 5 See 11 5 IN Replace the PC1 board with Set the parameter No 18 ERROR a new one See 9 1 CODE to YES as instructed on Operator s Manual so that error code is displayed on the TV monitor Does the symptom clear N Replace the measuring unit with a new one See 10 22 Err 81 Blinking error detected by MASK signal Err 82 Blinking error due to the amount of S DIV change Err 83 Error due to gradient coefficient Err 91 SPH over error caused when SPH value is 23D or more VD12mm Err 92 SPH over error caused when SPH 1s 18D or less VD12mm Err 93 CYL over error caused when CYL is 8D or more VD12mm Err 94 CONF error caused by the desparity between the measuring value and the rough approximation of a sine wave INNA 3 16 3 19 Only the obtained SPH value is shifted Replace the PC6 board with a new one See 9 4 Is the volatge applied to two diodes proper See 6 5 Y Perform the sensor calibration See 11 6 Does the Symptom clear N Replace the PC1 board See 9 1 Does the symptom clear N Replace the me
20. CK2 6x6 The image centering may be slightly shifted If the centering cannot be achieved perfectly by adjusting the variable resistor on PC6 board adjust the focus of the CCD camera lens See 11 9 MMO 10 20 10 19 Replacing the Chart unit Replacement parts 32908 3150 1 Remove the Left and Right covers and the Rear cover of the measuring unit See 5 2 Disconnect the connectors 3 Unscrew PC3 x 25 n 3 and replace the chart unit with a new one Though the replacement part is stored in a plastic bag to keep dust out check to see that no dust settles on the part before attaching it Attach the unit temporally then turn ON the Power Adjust the inclination of the chart unit so that the chart can be seen on a perfectly horizontal plane INA 10 21 10 20 Replacing CYL unit Only for AR 660A and ARK 760A Replacement parts 32908 3160 1 Remove the Left and Right covers and Rear cover of the measuring unit and Inner cover See 5 2 Take the shading plate out 3 Remove the Chart unit Do not remove the connectors but remove the screws and position the chart unit so that it will not obstacle the replacement work for CYL unit Check to see that no dust settles on the part before attaching it Pay attention not to touch the unit when routing the cables 4 Remove the connectors P610 and P611 5 Unscrew PC3 x 8 n 2 and replace the CYL unit with a new one Though the replacement part is sto
21. LED and cleaning IR filter 10 4 10 5 Replacing LED and cleaning of the G29 10 5 TOR Cl ac Me tle Pi GI CO VN cs u uu uu u zum uuu DR 10 6 10 7 Replacina the FOCUS LED uai ia 10 7 0 8 Replagino lhe SUP napa hanasakupaspyasyaspusaayausawiakass 10 8 10 9 Replacing the LED cable x al O AGA R began ada pi do 10 9 10 10 Replacing MOE hart AAA ECA rn 10 10 10 11 Replacing the Chart carry limit Sensor OR RA O EEE 10 11 10 12 Replacing the Rotator unit origin sensor 10 12 10 13 Replacias Ti D limit watches Uus OE a Ea 10 13 10 14 Replacing the Left and Right limit sensor unlt 10 15 10 15 Replacing the U D Motor for moving the measurement unit up and down Except AR 600 10 16 10 16 Replacing the R L motor For moving the instrument to the right or left Except AR 600 and ARK 700 10 17 LOTT Replaci o the pV m RL opos 10 18 O Sue baci ho C C Ca e RA un us a 10 19 10 17 R placCNETECHA CUDU o neea CE YA 10 20 10 20 Replacing CYL unit Only for AR 660A and ARK 760A 10 21 J o IP Opius nun Lus 10 22 10 22 Replacing the Measuring unit 1
22. PJ701 702 PC7 For details of each connector see the Wiring Diagram and connector table attached to this manual Is the brightness of the TV N Adjust the brightness by monitor adjusted prop turning the brightness con Y Is the voltage between 8 N Is the voltage between 1 pin N Replace the transformer pin and 9 pin 12V and 2 pin AC 14V with a new one See 6 3 See 6 2 See 10 1 3 Y Replace the TV monitor Replace the PC7 board See 10 17 with a new one See 9 5 3 5 Eye image does not appear on the TV monitor Replace the CCD camera unit with a new one See 10 18 INN 3 10 3 6 The characters or target are not clear or they do not appear on the TV monitor Adjust VR2 or VR3 achieve the best brightness of the monitor See 11 10 Y Does the symptom clear N Replace the PC1 board with a new one See 9 1 3 7 The switching between the manual mode and auto tracking mode can not be done Check the following connectors PJ104 PC1 PJ201 203 PC2 For details of each connector refer to the Wiring Diagram and connector table attached to this manual Is there continuity in the Auto tracking button Replace the PC3 board with the new one See 7 3 See 9 3 Y Replace the PC1 board with a new one See 9 1 3 8 The instrument can not be placed into the mode where the objective measurement is performed Check the following connector PJ108 PC1 Als
23. Rest smooth is not smooth Y 3 30 The chart can not be seen 3 31 Err does not appear though a patient blinked during measurement 3 32 The auto tracking function does not work Y Turn ON the auto shot function for A type model only Does the auto shot function work 3 33 The auto shot function does not work for A type model only Can the instrument be placed in the VA TEST mode where the subjective 3 34 The instrument can not be placed in the VA refraction 1s done TEST mode where the subjective refraction is only for the models with subjective done measurement function Can the visual acuity checked 3 35 VA charts can not be changed only for the models provided with the subjective measurement function MNI 2 6 Can the presented chart be in focus 3 36 The presented chart is out of focus during the during the subjective measurement or subjective measurement except when a patient only for the models with subjective measurement function x N Can the Instrument transmit or receive 3 37 The message ERR IF appears data with external devices Y N Can the Instrument produce printout 3 38 The printer does not operate Y 3 39 Light prInted text loss of text N Can the Eyeprint be output on the 3 40 The Eyeprint function can not be turned ON printout W N Does the TV Auto off function work 3 41 The TV Auto off function does not work Y Turn OFF the Power Switch of
24. T q SE gt 211 i de i Hn62258 Q n x E S meias f C l a PA A145 15 31 a A71 cas O rez Te UCZ skoki MMM SSS0SS UUW 10 23 10 22 Replacing the Measuring unit lt For AR 600 and ARK 700 gt AR 600 AR 700 Replacement parts 32906 9000 32158 9000 1 Remove the Left Right covers the Rear cover of the measuring unit and Inner cover See 5 2 Disconnect the connectors on PC1 board 3 Remove the screws CS4 x 6 and grounding wires 4 Remove the screws SB4 x 64 515 and 517 and replace the measuring unit with a new one The measuring unit should be transported with its covers attached for keeping dust out Therefore for returning the unit for service and etc be sure to pack the measuring unit with its covers attached For the early models replace 515 and 517 together with the measuring unit This is because that the holes positions for 515 and 517 differs from the ones for the other models SB4x6 5 Set the parameters according to parameter tables on Operator s Manual UMA LO 24 lt For AR 600A AR 660A ARK 700A and ARK 760A gt Replacement parts For AR 600A For ARK 660A ARK 700A ARK 760A 32907 9000 32908 9000 32159 9000 32160 9000 ma Remove the Left Right and Front Rear covers of the measuring unit Inner cover and TV panel See 5 2 Disconnect the connectors 3 Unscrew CS4 x 6 n 2 and take off grounding
25. gt N Replace the PC2 board with U Does the switch function a new one See9 2 normally See 7 2 Replace the PC1 board with a new one See 9 1 Y Does the symptom clear OK N Replace the PC8 board with a new one See 9 6 Y Does the symptom clear OK N Replace the printer unit with a new one See 9 6 3 39 Light printed text loss of text Adjust print density See 11 8 2 Does the symptom clear N Replace the printer unit with a new one See 9 6 Does the symptom clear N Replace the PC1 board with a new one See 9 1 IMO 3 28 3 40 The Eyeprint function can not be turned on Check the following connectors PJ104 PC1 PJ201 PC2 For details of each connector see the wiring Diagaram and connector table attached to this manual l N Replace the PC2 board with Doos ES is a new one See 9 2 noramally Y Replace the PC1 board with a new one See 9 1 3 41 The TV auto OFF function does not work Check the following connectors PJ105 PC1 PUTOS PC7 For details of each connector see the Wiring Dlagram and connector table attached to this manual Replace the PC1 board with anew one See 9 1 Y Does the symptom clear N Replace the PC7 board with a new one See 9 5 3 42 The shutter does not close only for the AR 600 whose S N is earlier than 10121 Remove the shutter unit See 10 8 Checking the obtained
26. origin sensor should not Interfere with the LED cable p606 Pull the 1 6 pins out i Rotator unit origin sensor Pull the pin out by lifting h the lip of housing M W 10 13 10 13 Replacing U D limit switches lt Checking the operation of U D limit switch gt 1 Remove the Left Right Inner covers and rear cover of the measuring unit See 5 2 Check the upper and lower limit switches for proper operation Disconnect the connector P2205 and check the continuity in the switches with a multimeter P2205 q q UPPER LIMIT gt LOWER LIMIT Press an actuator with a screwdriver The above shows the position of the Upper and Lower limit switches lt Replacing U D limit switches gt Replacement parts 32097 EA47 1 Unscrew SB3 x 4 and take off the Upper or SB3x4 h Lower limit switch 2 Unscrew CK2 x 8 n 4 to replace the Upper or Lower limit switch with new ones INU NM 14 lt Positioning Upper and Lower limit switches gt 1 Remove the TV panel Rear cover and Monitor See 5 and 10 17 Keep the Pulleys m a state where they can be moved easily and directly by hand To achieve the state it is recommended to remove the belt Lower limit 2 While moving up and down the measuring unit loosen the screw SB3 x 4 and position the Upper limit switch so that it conducts at the position where the pulley is returned one and a half turn from its mechanical limit with hands
27. smooth Does the measuring unit a Replace the joy stick with move up and down a new one See 10 2 Y Y Does the symptom clear N Is a strange sound heard when it is near to the top and bottom position Y Replace the PC22 board with a new one See 9 9 Replace the upper or lower limit switch with a new one or adjust the Does the symptom clear switches fixed position N See 9 1 Replace the up and down motor with a one See 10 15 INN 3 13 3 13 The measuring unit is unstable N Do rollers of the bearing turn normally See 11 1 Adjust 3 fixed position of rollers of the bearing See 11 1 Y N Is the sawy stopper unit fixed properly See 11 2 Adjust tightness of the screws fixing the sway stopper unit See 11 2 3 14 The alignment light does not appear only for AR 600 series Check the following connector PJ613 PC6 Also check the state of the soldered condition For details of each connector see the Wiring Diagram and connector table attached to this manual Is the volatge applied to Replace the PC1 board LED for the alignment light with a new one See 9 1 proper See 8 7 Replace LED for the Align ment light Y Does the symptom clear Perform sensor calibratoin N See 11 6 Replace the PC6 board with a new one See 9 4 3 15 The Mire Ring does not appear only for ARK 700 series Check the following connectors PJ604
28. 0 23 9 1 Adjusa e Cach pu u GZ islandeses E E ssdn did 11 1 11 1 Adjusting the tightness of roller bearing 67 for up and down shaft 11 1 11 2 Adjusting the Sway stopper unit na illa 11 3 11 3 Adjusting the up and down movement of the Chin rest 11 4 11 4 Calibrating by adjusting the focus of CCD camera lens 11 6 ILS P sitiomiie the TAT GCL square iia aa 11 7 11 6 Sensor calibration adjusting VR1 and VR2 on the PC6 board 11 8 11 7 KM auto calibration only for ARK 700 series 11 10 11 8 Setting EEPROM DATA atwo AE ias 11 12 11 8 1 Setting Sensor Offset SO rar 11 13 l 52 Setin Print Dens uy PO salido eric 11 14 Loco Taret Onset TO ZA 11 15 IO Seting TAC AAA AAA OEG 11 15 LS Setas PD Gan 2 e E EEEE dt 11 16 11 8 6 Setting Mask Blink Level ML 11 16 11 8 7 Setting Horizontal Position HP of display 11 17 11 8 8 Setting Vertical Position VP of display 11 17 11 8 9 Adjusting scale for CS Corneal Size measurement only oy wa E Ae a A 11 18 11 8 10 Setting CYL zero C1 and CYL axis C2 Only for AR 660A and ARK 760 11 20 LES Adjusting mage AMA 11 21 11 1
29. 0 Adjusting Brightness and Sharpness of display 11 22 11 11 Tracking auto calibration except AR 600 and ARK 700 11 23 9 2 Program Tor adjustment spirit acacia cronicas 12 1 3 Repideno ROM Preopran wozi EE accion 13 1 9 4 List OL SW Land SWZ Operations u u iacta eszcze sio 14 1 9 3 Principle OF Measure ment scsscccsassisccccnsniscssshestoassenccanasseacesaceasacenscansaesseaceasaneesceseeensseass 15 1 6 O e a ui OK AOC OWO EO OZ 16 1 AR 600 CONSTRUCTION DORA TIN Cass tias 16 1 e AR 600 WIRING DIAGRAM 16 3 e AR 600A CONATRUCTION DRAWING 16 4 e AR 600A WIRING DIAGRAM 16 6 e AR 660A CONSTRUCTION DRAWING 16 7 N e AR 660A WIRING DIAGRAM ensima iii 16 9 e ARK 700 CONSTRUCITON DRAWING eee 16 10 e ARK 700 WIRING DIAGRAM ei R A AE A A 16 12 ARK 00A CONSTRUCTION DRAWING aaa 16 13 ARS 700 A WIRNG DIAGRAM RAE ADORA D aa 16 15 e ARK 760A CONSTRUCTION DRAWING oooccccccncncnnnononononononnnononononnnnnononaninnnoss 16 16 ANN 760 A WIRING DIAGRAM patas 16 18 e AR 600 ARK 700 SERIES WIRING DIAGRAM 16 19
30. 158 3380 80423 10002 tie wrap 1 Remove the Left Right and Front covers See 5 2 Unscrew FC3 x 10 n 2 and to take the 3390 off 3 Unscrew CK2 x 4 n 4 replace the MIRE and tie the cables together as before 4 Perform auto tracking and auto shot calibrations and KM auto calibration see 11 11 43390 ES N DN 7 W a gt TON AJ o dio Y Mire KMW 9 9 For AR 600A AR 660A Replacement parts 32907 3380 80423 10002 tie wrap 1 Remove the Left Right and Front covers See 5 2 Unscrew FC3 x 10 n 2 to take the 3390 off 3 Unscrew CK2 x 4 replace the MIRE and tie the cables together as before 4 Perform auto tracking and auto shot calibration See 11 11 MMS 9 10 9 8 Replacing PC12 CHART SELECT SW board For AR 660A ARK 760A Replacement parts 32908 EA12 1 Remove the Left Right and Rear covers See 5 2 UnscrewPT3 x 6 n 4 and then replace the PC12 board with a new one PC12 MMA U IM 9 9 Replacing the PC22 TRACKING board For AR 660A AR 660A ARK 700A ARK 760A Replacement parts 32907 BA22 1 Unscrew AS3 x 6 n 3 and disconnect J1 from the PC1 board and J2201 from the PC22 board For ARK 700 Replacement parts 32156 BA22 1 Take the TV monitor off See 10 17 2 Unscrew AS3 x 6 n 3 and replace the PC22 board with a new one PC3x MMS NM 9 10 Replacing the PC23 PD CCD board Replacemen
31. 3 18 The message ERR appears during AR measurement N Is the measured data of the model 3 19 Only the obtained SPH value is shifted eye correct 3 20 The obtained CYL value 1s too large Y N Does a beeper sound a short beep 3 21 A short beep can not be heard when pressing when pressing the Start Button the Start Button M AmA hs N Y Y N Does the instrument recognize the left 3 24 The instrument can not recognize the left and and right right 3 22 The IOL mode can not be turned ON N 3 23 The Cylinder mode can not be changed Y Set 1 Step of the parameter back to 0 25 N Is the instrument placed in the PD 3 25 The instrument can not be placed in the PD mode mode where the PD measurement will be Y performed Set the steel balls to the chin rest Y Can the PD measurement be done Y gt 3 26 The obtained PD value is abnormal Place the system in lt K gt mode with where the KM measurement is done only for ARK 700 series Y N Can you measure the steel ball 3 27 The message ERR appears when starting Y KM measurement N Is the measured data of the steel balll gt 3 28 The obtained KM value is abnormal normal Y Select R K mode with amp AW 2 5 Check the measurements by measuring human eyes Is the up and down movement of the 3 29 The up and down movement of the Chin Rest Chin
32. 45 2447 FASS ARK 760A WIRING DIAGRAM 16 19 E fu da x 9 GI GNT WN w Wot b l P F fe ele a am om w Wd W N RU 3 G PEE PRINTER BOARD g O x x E 2 STPZH 144 00000 hj mm n 9 0 Og 9 0 4 E i PCI MAIN BOARD 4 I i t Ot mo A n PC POWER SUPPLY BOARD cy NW Qy D eQ oA vu hy an kl Chez taney i I b VOLTAGE SERECTOR Met CAWG 205 Wire ribbon cable i JBU O s 10720A E PC22 I Sl ES 47 L5 UL3265 A ames 26 UD BOARD E3A TO LoL Installation position of voltage selector 10 ae d 1 Sw 00 R cea POWER Sur POO FOO FUSE EB CT JT 3 J0 S2 RBT I JL Bik RD L BLK ARK 700 only ACIN Qigei re Seto FUSEHOLDER pas O FOOZ FUSE EJ3 EE FH Bo2 eA i WHT of WHT Zam hg Loo E INLET Seco FUSE HOLDER EIS NC 176 Bit FH BOZ AR 600 ARK 700 SERIES WIRING DIAGRAM E W 20 PID O SPD CHA a O SPP CHE Fa O 10 PO BOARD a er O A GNP 6 O 105 high flex ribbon cable Pon EVNAADSO No on each wire corresponds to the wire No PIA 4 Z Ca 0 107 high flex ribbon cable FV 06A050 f No on each wire corresponds to the wire No _ w I I PP a m nn m u s r _ Ow i 2207 START Se SUS BE E START SW BL 2 aad i WAB x Wm naj san wm y w w m
33. 6 board to the new P C B except when Err9 MEMORY FAILURE ON E2PROM appears If Err9 MEMORY FAILURE ON Functions of VRs VR1 S GAIN mopa arises follow the troubleshooting ORO FERS VR3 ARLEDR 5 Set the volume of VRs on the new PC6 as JAAN before Note that VR9 should not be turned ee to CW over 3 00 position VR6 KM LED 2 VR7 KM LED 3 6 Set the parameter date and time and input VR8 KM LED 4 comments referring to Operator s manual VR9 MIRE LED VR10 ALIGN LED 7 Perform sensor calibration See 11 6 VR11 ILLUMI LED 8 When replacing the IC2 E2PROM perform tracking calibration and KM auto calibration See 11 11 9 Check the instrument for proper operation 1X ysO 07 1X2 1gZ gt ICIIQZ CII IAUAIAIAIII XL I Z I 0 9 8 9 5 Replacing PC7 POWER SUPPLY board Replacement parts 32906 B A07 1 Fix the Main body to the Base with Locking knob gently lay down the instrument Then remove the bottom plate of the main body 2 Unscrew PC4 x 6 3 Remove PC3 x 4 13 14 and replace the PC7 board with a new one Apply heat sinker to the whole heat radiating plate of the PC7 board Arrange the cables so that they do not interfere with taking in and out of the printer Heat radiating plate AAA AAN D 6 9 6 Replacing PCS PRINTER board and printer For AR 600 and ARK 700 Replacement parts PCS 32903 E5008 PRINTER 806 06 00007 line printer 1 Draw out the printer
34. 616 PC6 For details of the connector see the Wiring Diagram and connector tabel attached to this manual Replace the Mire with a new one See 9 7 Y Does the symptom clear N Replace the measuring unit with a new one See 9 1 INU U U 3 14 3 16 The model eye image is not clear Check the following connector PJ614 PC6 Also check the state of the soldered connection For details of each connector see the Wiring Diagram and connector table attached to this manual N Is the ILLUMI LED lit See 10 6 Replace the ILLUMI LED with a new one See 10 6 Y Replace the CCD camera with a new one See 10 18 3 17 AR measurement does not start Check the following connectors PJ104 PC1 PJ201 202 PC2 For details of each connector see the Wiring Diagram and connector table attached to this manual Does the Start button function nor Replace the Joystick with a new mally See 7 1 one See 10 2 Y Replace the PC1 board with a new Does the symptom clear one See 9 1 N Replace the PC2 board with a new one See 9 2 LNU 3 15 3 18 The message Err appears during AR measurements Check the following connectors PJ101 106 PC1 PJ601 602 PC6 For details of each connector see the Wring Diagram and connector table attached to this manual Is the LED cable right See 8 4 Replace the LED cable with a new one See 10 9
35. D motor Revert to MODE 0 with YD 34 35 36 37 38 39 MODE 1 Y axis focus indicator width Change the value with a or Revert to MODE 0 with GD MODE 0 X axis focus auto shot range for Change the value with a or w the first measurement MODE 2 Y axis focus auto shot range for Change the value with a or Revert to MODE 0 with Erb the first measurement MODE 0 X axis auto shot range for the Change the value with a or second measurement or later MODE 1 Y axis focus auto shot range for Se nc et J the second measurement of later Change the value with or gt Revert to MODE 0 with Y MODE 0 The range in which one focus bar ad OF pate oe MODE 1 The range in which three focus bars are indicated for the first Change the value with a or measurement MODE 2 The range in which five focus bars are indicated for the first Change the value with a or Revert to MODE 0 with GD measurement is indicated For the second measurement Change the value with a or or later MODE 1 The range in which three focus bars indicated for the second Change the value with a or measurement or later MODE 2 The range in which five focus bars are indicated for the second Change the value with a or Revert to MODE 0 with GD measurement or later Auto sh
36. IN ORIGIN e A Bra z i t i RA E 3 f 3 3 Ere ded 2 1 mu J i JE J il J A 14 4 4 2020 q 4 Ea m E ED 2466 30n b CHART LAMP MAIN BOARD F PCO ka PCI4 EAI KM ne ADJUST BOARD POWER SUPPLY a Fi E BOARD 5 IC card 23 TRANS j i FORMER 0099 FG JI A A EEG comata a By Hace sa Common QUMMY RESISTOR SENSOR POT SENSOR MOTOR z dE PCI 467 457 2458 MONITOR E i E 4 A ORIGIN _ coto E ES E0018 Common 4f8 20 2449 i PCI oC CAMERA c ORIGIN Cal W at U C MOTOR W O LIMIT RA MOTOR EA EA47 EAAS PCES L ORIGIN e AR 660A WIRING DIAGRAM wid 16 10 MMNU e ARK 700 CONSTRUCTION DRAWING PUCO TS o z3 k ZIE n RAT SP ER lt A NI ES I 16 11 LUNA e ARK 700 CONSTRUCTION DRAWING KOTOR o z Ed SENSOR gt MIRROR MOTOR N NS Z CD PC21 a ROTATOR PM LE 12 O PC22 JI 622 4 EQ08 EA4I PC3 Common Common EAS LLUMI Fagg NC DEC AR 9A AR 9A SW 30ARD PCD PC18 a a i PET3 EA42 ra 5 o PHOTO SWI gt RR BOARD a 2 gt ae 462 POL 2023 z 29 CCO a0ARD PE 2 3 PC20 s OMIRE 20 BOAAU p Jg s MAIN BOARD e des HE ns os s ADJUST BOARD CHART LAMP IC carc mom 3 P2201 RK ZA MIRROR MOTOR SENSOR POT SENSOA ROTOR PC22 435 E457 EARS P2204 U D BOARD AR LED AR 20
37. IN LSD CL350 R PSGDGA RAE E OTOR d C25 1254 010 San 3LU SEGA p LITE S amp S M jet su AA A E z dl AER FE aca J lt TI a e p PTI NOTOR O ray C25 3264 919 o Io TE a CL2 Pu IL CS CE A UL3255 1626 x 12 PEL LEO LNIGTA 5 TAZTPS W7A LED LNI07A B TRITPSGO A me GZ ULI J AWGZ x ORIGIN DI e EC Sa Leo LIZES NIG E x 2 0L0 222 e AR 600 ARK 700 SERIES WIRING DIAGRAM a NN 16 21 32906 8413 ee UL3263 AWGZG 1 3 A ll A A O O O E E PIE SRN 2443 a 2E0 A O gt gt 7 YEI PCE m 1 GRN S U vit CAT dl izes AWG26 x eHR 8B ARE BD EA20 alB aay i s ED A RCS JI T a aves ANG x 1 7777421 56 8A20 RK 2A PCZO CHART LAMP J PEII ygt i PCS J17 lt AT CHR ULI265 ANGIG x 2 i i AR SA POI u w nO s PCS nf E e sis 020 Y 5190 AD 150 A EAZA am ua an ra dol lee et uni mam am om peaz J UB u a U O MOTOR wt u UL326S AWGZE x Z 019 R8 15CH GA045 24 1 29 33 PW E UE LINIT 242 00 Pezz lt I EE UPPER MET Ld A A 0 i ER s LOWER LiNIT ULIZAS ANGRA x 4 eo CAMA 110 E R L M _ ia s lt R L W 3 ES LK 7 R L MOTOR K To _ ARTOA PCIS P2907 Tad BEN EA49 m ia py OD g lia 3 YEL A E x Le ORIGIN e AR 600 ARK 700 SERIES WIRING DIAGRAM AN S 16 22 e AR 600 AR 700 SERIES CONNECTOR TABLE
38. ING DIAGRAM and CONNECTOR TABLE All the connectors are connected or crimped securely There is no contact failure of connectors Check by connecting or disconnecting them 3 The cable has no break Take care not to strain the cable Take care not to lose the removed screws or parts or not to drop them inside the instrument Be sure to apply Locktight to the fixed screws M UI I I 2 2 2 1 Check flow and items to be checked Plug the power cord to the wall outlet and turn ON the Power Switch Y Does the TV monitor displays zero for S C A values However if the measuring mode is set to lt K gt the monitor will display nothing Y 3 1 The TV monitor displays nothing the monitor display is abnormal 3 2 The message ERR appears after turning ON the Power Switch Does the shutt es ee 3 3 The shutter does not open Only for AR 600 For early model AR 600 only Y whose S N is earlier than 10121 Does a raster appear on the TV 3 4 A raster does not appear montor The TV monitor does not turn ON Y Does the TV monitor display a 3 5 Eye image does not appear on the TV monitor human eye Y Does the TV monitor display 3 6 The characters or target square are not clear or characters clearly they do not appear on the monitor Y Press ch for A type model only Is the auto tracking mode switched to the manual mode the mode where the auto tracking function is off for A type model onl
39. KM calibration mode Press v The display as shown on the right figure appears Align the steel ball of R7 94mm to the center of the TV monitor and then press the Start button KM measurement will take place 10 times in a row automatically The display on the right figure appears Align the steel ball of R5 95mm to the center of the TV monitor and then press the Start button KM measurement will take place 10 times in a row automati cally The display on the right figure appears Align the steel ball of R9 13mm to the center of the TV monitor and then press the Start button KM measurement will take place 10 times in a row automatically The display on the right figure appears Verify that the measurement results are within the following tolerances RI gt 0 02mm R2 gt 0 02mm ZX F7 1Cl l O JX LIATYI IZI 7 77 114 10 11 7 KM auto calibration only for ARK 700 series KM AUTO CARIBRATION CARIBRATION v X CCD Y CCD SUB KM AUTO WON ADJUST AXIS V R7 94MM STEEL BALL KM AUTO CARIBRATION ADJUST AXIS Y R5 95MM STEEL BALL KM AUTO CARIBRATION ADJUST AXIS vw R9 13MM STEEL BALL KM AUTO CARIBRATION START SW _ ON CALIB SW1 8 OFF END R1 R2 AXIS 5 69 108 7 49 180 9 14 108 INN MH 9 If the measurement results are out of the tolerances check to see that the steel ball is aligned precisely to the center of the TV monitor and perform auto calibr
40. NIDEK AR 600 ARK 700 SERIES SERVICE MANUAL FOR AR 600 ARK 700 AR 600A ARK 700A AR 660A ARK 760A MAR10 RTZO001C E Total Page 164 2003 12 Specifications are subject to change without notice for improvement IPS nipek co LTD Manufacturer NIDEK CO LTD Tokyo Office NIDEK INCORPORATED United States Agent NIDEK SOCIETE ANONYME Authorized Representative KJ NIDEK Co LTD 34 14 Maehama Hiroishi cho Gamagori Aichi 443 0038 Japan Telephone 0533 67 661 1 Facsimile 0533 67 6610 6th Floor Takahashi Bldg No 2 3 chome Kanda jinboucho Chiyoda ku Tokyo 101 0051 Japan Telephone 03 3288 0571 Facsimile 03 3288 0570 Telex 2226647 NIDEK J 47651 Westinghouse Drive Fremont California 94539 U S A Telephone 510 226 5700 Facsimile 510 226 5750 Europarc 13 rue Auguste Perret 94042 CRETEIL France Telephone 01 49 80 97 97 Facsimile 01 49 80 32 08 SI Table of Contents P INTRODUC NO Naa ROA SG 1 1 2 CAUTTON usp tt 2 1 93 2 1 Check flows and items to be checked ansiada 2 2 TROUBLESHOOLEING i 22 ne ene en ene PR eee 3 1 3 1 The TV monitor display nothing the monitor display is abnormal 3 1 3 2 The message Err appears after turning ON the Power Switch 3 2 3 2 1 Err 1 Sensor carry error appears 3 2
41. PJ601 603 604 PC6 PJ701 702 PC7 Also check the state of the soldered connection For details of each connector see the Wiring Diagram and connector table Is the voltage between 1 2 N Is the voltage of P701 AC 18V N Replace the trasnformer with pin 15V and the voltage the voltage between 5 6 pin a new one between 6 7 pin 15V and 7 8 pin See 6 2 See 10 1 See 6 3 Y Y Replace the PC6 board Replace the PC7 board with a with a new one See 9 4 new one See 9 5 Y Does the symptom clear Perform sensor calibration N See 11 6 Replace the PC1 board with a new one See 9 1 Y Does the symptom clear N Replace the measuring unit See 10 2 AAR N 3 2 2 Err2 Chart carry error appears Check the following connectotrs PJ107 PC1 PJ601 607 608 PC6 For details of each connector see the Wiring Diagram and connector table Is the origin sensor for chart carry normal N Replace the origin sensor for the chrtcarry with a new one See 8 1 See 10 1 Y Replace the PC6 board with a new one See 9 4 Perform sensor calibration Does the symptom clear See 11 6 Replace the PC1 board with a new one Y Does the symptom clear N Replace the measuring unit with a new one See 10 22 3 3 LN U G 34 3 2 3 Errr 3 Rotator error appears Check the following connectors PJ107 PC1 PJ601 606 PC6 For detai
42. U OU 11 20 11 8 10 Setting CYL zero C1 and CYL axis C2 p N 20 DA Only for AR 660A and ARK 760 Set Switch 4 of the switchpack 1 on the PC1 board to the ON position and press to place the instrument in the CYL lens mode Set the CYL axis C2 value to the specified one in MODE 61 Set the CYL zero C1 value to the specified one in MODE 60 Set Switch 4 of the switchpack 1 to the OFF position The value changes in 10 increments with 4 Or W while pressing cp The presented chart can be switched with um and Axis can be changed in 90 increments with Ay MMM W 1 21 11 9 Adjusting image centering When replacing CCD camera or TV monitor with new ones the image centering may be slightly shifted It is possible to adjust it with H V volume However if it can not be adjusted properly follow the procedures below to perform the centering 1 Position the target on the center of the display with H V volume to adjust the image centering Target OO OO MAMNMUSSS UU W 1 22 11 10 Adjusting Brightness and Sharpness of display 1 Connect the connector P602 of the LED to J2 on the PC6 board 2 Connect the oscilloscope as follows CHI Probe to soldered surface of J12 on the PC1 board CHI alligator clip to ANALOG GND on the PCI board TIME 5 us DIV VOLTS 0 1V DIV AC 3 Turn ON the Power switch while holding down Ay For AR 600 and ARK 700 se
43. asuring unit with a new one See 10 22 MMM ldluhuhuhuhuhuhuhuhu LL 3 17 3 20 The obtained CYL value is too large Check the following connectors PJ101 PC1 PJ602 PC6 For details of each connector see the Wiring Diagram and connector table attached to this manual Are the measuring window N Clean the measuring window and the model eye clean and model eye See 4 1 and See 4 1 and 4 2 4 2 Is the LED cable normal See 8 4 Y Are the measuring light LEDs normal See 8 4 Replace LED cable with a new one see 10 9 Replace the PC1 board with a new one See 9 1 Y Does the symptom clear N Perform sensor calibration See 11 6 Replace the PC6 board with a new one See 9 4 Adjust the Target square po sition See 11 5 Is the Target square in the correct position See 11 5 Replace the PC1 board with a new one see 9 1 Does the symptom clear Y Replace the measuring unit with a new one See 10 22 INN 3 18 3 21 A short beep can not be heard when pressing the Start button Replace the PC1 board with a new one see 9 1 3 22 The IOL mode can not be turned ON Check the following connectors PJ104 PC1 PJ201 PC2 For details of each connector see the Wiring Diagram and connector table attached to this manual N Is noramal See 7 2 Replace the PC2 board with a new one See 9 2 Y Re
44. asuring window For lens tissue use Japanese special paper Ganpi shi For the Chopstick use the sticks which are unlikely to scratch glass Wipe the window as if drawing a circle from the center to the outside 4 Check to see that the measuring window is clean by using a flashlight If not replace the tissue with a new one and repeat the cleaning If acetone deposits the covers of the instrument 1t may result in decoloration Pay attention not to spot the covers with acetone If the cover changes in color replace it with a new one sd 4 3 4 3 Measuring the Model eyes 1 Attach the Model eyes ARK J 4 to the Forehead rest Do not tighten the screws too much The Forehead rest may be scratched 2 Turn the Power switch ON 3 Set the parameter 1 STEP to 0 01D 4 Perform alignment and focusing correctly as instructed on Operator s Manual and start measurement In case of measuring the Model eye of 10D the range that you detect focusing is within 1 0D This can cause an error in measurement Therefore every time move the Joystick to the same direction in order to perform a precise alignment 4 4 Tolerance on AR measurement error w s ET 9 78D 0 00D See the table on the right The labels on the Model eyes tell SPH power of each eye Compare the obtained SPH with the correct SPH stuck to the Model eyes and check 1f the error is within tolerance 10 49D NIDEK
45. ation again KM AUTO CARIBRATION MEAS CONTINUE START CHANGE A V ENTER START OFFSET AXIS 00 00 10 If the desired results cannot be obtained by repeating the calibration several times it is necessary to adjust the optical axis for KM measurement again 11 hm Set Switch 4 of the switchpack to the OFF position X 6L01 7 IIYIILIIIII TIT TI0 Leitp V Mn 11 5 Setting EEPROM DATA If EEPROM DATA is cleared inquire of NIDEK or your authorized distributor about DATA and set EEPROM DATA following the procedure below Regardless of no erroneous condition on the A circuit there are cases where EEPROM A DATA is cleared and only MEMORY FAILURE ON EEPROM is printed out one es ae time instead of EEPROM DATA due to BEBO SO 2 0000 0009 noises In such cases the message will not E ZE Lebrinted furth TO 1220 10060 Y 1636 e printed out any turther TS 1221 40014 7 000 gt o i PA 13 0000 If the message 1s printed out it is certainthat O 023 3078 KA ROSE EE EEPROM DATA will be cleared To checkif EEEE CSH 17 1 9000 0000 the DATA is cleared turn ON and the s i 5 PSV 18 0 0000 3000 Power switch If the DATA is cleared all psacta 2 10000 7 0000 the items in the DATA will become zero AZ RIXA 43824 doce o 0830 033 I E 1765 065 There are variations in the values of EEPROM RY
46. board Then turn the Power switch ON 2 Set Switch 4 of the switchpackl to the ON position and press the start button twice to place the instrument in MODE 2 See 12 3 Connect a digital multimeter between TP12 and A GND on the PC1 board and verify that the reading is OV If not adjust VR1 on the PC1 board 4 Press both and PD button simultaneously 5 Set Switch 4 of the switchpack 1 to the OFF position The sensor offset data will be stored Since the stored SO data is operated by CPU it is not always equal to the factory shipped data Special tool 1 3 pin u 4 a 2011 le Y kal x dz ara CEE 4 x x l Pi MA ht ia OA 3 ZZO Oi set Wr z gt N ais p a 4 tay I e 2 z a s roe 2 UA 0 e ht ape al F w ma E oe 1 tw O lt r ha a 7 a pe A us iC 8003 08 PETA GREENE 00C y E z4 s 3 En amos 5 0 aa wid z Cr BRA Natel 3 l pa Sg 0 20 07 one A Fa 3 o a NE ih Al re 1 ma ERA cu gi E Vem da se l E yo OE Ge RA y Y ma as S acs 132 wan a 0 m Y Se FETCH m SA 21 Emas um as f O a So Ta Os C Sree creer al a E cios Y Ie SATIS za a Sen 12 RA ase gua _l 2 zD sis A i paa m 2 MS ia s por oh I a y 443 a 37 i a e metti gt s eaka o gt e 9 a ical Ei crore sm al NA GEE L EE az x m E TES 1 a A GE el a ca
47. by the Print LED Common operations Start button The mode will be changed to the next mode NONE The instrument revert to the Menu mode OTHER ADJUST uu AR models do not have adjustment mode 17 and 18 Mode O Target Horizontal adjustment Change the horizontal position with a or wik _ Print density adjustment Change the print density with a or w Change offset value with a or y Change gain with a or y 12 Switch the chart positions between OD 12D and 12D with The illumination will be turned ON and OFF with Revert to MODE 0 with CD Mode 0 PD center offset adjustment RECE A s iso value from the preset position center with EV Measure a distance between two desired points with Mode 1 PD gain adjustment E and set the indicated value to the obtained one with or Revert to MODE 0 with CYD Mask Blink Level adjustment Change the blink level a or Change the Rotator angle to 90 with E Mode 2 Chart position check Mask LED Position check Change the Rotator angle to 0 or 180 with a or ge the Rotator angle to 45 or 135 with a or vw Mode 0 Display Horizontal adjustment Change the horizontal position with a or w Change the vertical position with a or Revert to MODE 0 with CYD O gt A 5 Mode 1 Display Vertical adjustmen
48. ceived 19 1A Er IF 1B 1C E 82 83 84 measurement Measuring corrugation blink error in the real measurement 87 The go and return measurement blink error 38 Err The alignment is out of position after AR measurement 91 Er 0 23 D or more VD 12mm 92 18 D or more VD 12mm 93 Err o 8 D or less VD 12mm 94 Err A1 A2 ERROR ERROR Af CCD light lack error Measuring light does not enter CCD ERROR ERROR A2 CCD edge lack error Hex of X or Y CCD measuring light is ERROR ERROR A3 CCD edge overmuch error oo of X or Y CCD measuring light is ERROR ERROR A4 CCD corrugation error The width of the measuring light is too wide The numbers of X and of Y CCD measuring ERROR ERROR A6 CCD edge number error light are different ERROR ERROR B1 R corneal curvature over 10 06 mm or more ERROR ERROR B2 R corneal curvature over 4 94 mm or less ERROR ERROR B3 CYL cornea over 10 00 D or more The number of sagittal value to calculate the ERROR ERROR C1 Sagittal number lack error seceniriclty 1s lack A3 A4 AG B1 B2 B3 C1 X Error code 9 and A are also printed out 9 Memory Failure on E2PROM A Memory Failure on RAM 16 28
49. data with Model eyes 4 GGG Obtaining the measurements with the model eyes 10D OD and 10D and the Steel balls 5 95mm 7 94mm and 9 13mm is important for checking if the instrument operates normally or not The service persons should be trained to obtain the reliable data correctly If they adjusts the electrical optical or mechanical parts of the instrument according to the incorrect data the instrument may be out of working order The following describes the notes and procedures for obtaining the correct data with Model eyes and Steel balls 4 1 Cleaning the Model eyes and Steel balls 1 Remove the filter 2 Blow out dust with a blower 3 Fold lens cleaning paper with acetone as shown in the right figure Wipe the model eyes and steel balls with it O Model eyes 4 Check to see that the model eyes and steel balls are clean If not replace the paper with a new one and repeat the cleaning AAA 4 2 4 2 Cleaning the measuring window 1 Turn ON the Power switch to open the shutter only for the early model AR 600 2 Blow out dust with a blower Lens tissue za 3 Wrap lens tissue Japanese special paper Ganpi shi around the tool for example chopstick as shown in the figure Then dip it into acetone and wipe the measuring window with it DEE Chopstick Pay attention not to dip it into too much acetone Otherwise acetone remains on the me
50. ears during KM measurement Check the following connectors PJ107 PC1 PJ2101X PC21X PJ2101Y PC21Y For details of each connector see the Wiring Diagram and connector table attached to this manual Replace the PC1 board with anew one See 9 1 Does the ZA EU clear Replace the measuring unit with a new one See 10 22 3 28 The obtained KM value is abnormal Perform KM auto calibration See 11 7 Does the symptom clear m zanik Replace the PC1 board with a new one See 9 1 Y Does the symptom clear N Replace the measuring unit with a new one See 10 22 MMAM V U U 3 W 3 29 The up and down movement of the Chin rest is not smooth Adjust the up and down movement of the Chin rest See11 3 3 30 The chart can not be seen Check the following connector PJ617 PC6 Check the state of the soldered connection For details of each connector see the Wiring Diagram and connector table attached to this manual Is the volatge applied to the Chart lamp proper di Replace the PC6 board with a new one See 8 6 See 9 4 Y Replace the Chart lamp with a new one Perform sensor calibration See 11 6 See 10 10 INU 3 22 3 31 Err does not appear though the patient blinked during measurement Check the following connector PJ102 PC1 For details of each connector see the Wiring Diagram and connector table attached to this manual N Is blink lev
51. el set properly See 11 8 6 Set blink level to the correct level See 11 8 6 Y Replace the PC1 board with a new one See9 1 Y Does the symptom clear N Replace the measuring unit with a new one See 10 22 INU 3 23 3 32 The auto tracking function does not work Check the following connectors PJ11 PCT PJ2204 2206 2207 2201 PC22 PJ615 PC6 For details of each connector see the Wiring Dlagram and connector table attached to this manual N Set the model eye to the Chin rest gt Replace L R motor with a new one See 10 16 Is strange sound heard at the top and bottom position while auto track bd Is output voltage from the L R limit N Replace the L R origin sensor with a new one sensor proper See 8 2 See 10 14 Y Replace the PC22 board with a new one Does the symptom clear N Replace the PC1 board with a new Y one See 9 1 B A INU 3 24 3 33 The auto shot function does not work Check the following connectors PJ104 PC1 PJ201 PJ203 PC2 PJ615 PC6 For details of each connector see the Wiring diagram and connector table attached to this manual Does the switch function normally N Repalce the PC3 board with a new See 7 3 one See 9 3 Y Is the applied voltage to the FOCUS Y Replace the FOCUS LED with a new LED normal See 8 9 one See 10 7 N Replace the PC22 board with a new one See 9 9
52. ere with the LED cable lt AR 600 AR 600A ARK 700 ARK 700A gt lt AR 660A ARK 760A gt N GA CK2x4 c Chart lamp P617 Q ZE e g7 y Chart lamp U CK2x4 10 10 MAU AO 10 11 10 11 Replacing the Chart carry origin sensor Replacement parts 32906 EA36 1 Remove the Left cover Rear cover of the measuring unit and Inner cover See 5 2 Remove the screw PC3 x 4 and 489 3 Unscrew CK2 x 4 and replace the Chart carry Origin sensor with a new one Fix the sensor so that it will not interfere with the shutter of the Chart carry unit Pay attention to cable arrangement They should not interfere with the Carry unit and pulley PC3x4 X2 Target carry Origin sensor INU 10 12 10 12 Replacing the Rotator unit origin sensor Replacement parts 32903 E5045 1 Remove the Left and Right covers See 5 1 2 Disconnect the connector P606 and then pull the contact pin 1 6 pins from the connector housing of the connector and release the tie of the cables 3 Unscrew PC2 x 4 n 2 and replace the Rotator unit origin sensor with a new one See the following for the pins position of the connector P606 Be careful not to return the pin to a wrong position YELLOW WHITE BLACK Rotator P M RED GREEN BLUE BROWN RED ORANGE YELLOW Rotator origin O ON CA Bu NM Note that the cable from the Rotator unit
53. f return it to the original position following the figures below Note that the buttons position differs according to the model After replacing the board with a new one check the buttons for correct operation PT3x8 FOR AR 600 SERIES FOR AR 700 SERIES Loo Lo Se l s Eo IA 9 3 9 3 Replacing PC3 INC DEC SW board except AR 600 Replacement parts 32907 EA03 1 Remove the Rear cover and TV panel See 5 2 Remove the Joystick See 10 2 tis possible to take out the PC3 board without disconnecting the wiring of the Joy stick Unscrew SB3 x 6 n 2 to replace PC3 with a new one If a button is off return it to the origina position following the figures below Note that the buttons position differs according to the model After replacing the board with a new one check the buttons for correct operation e For AR 600A For AR 660A ARK 700A and ARK 760A A Y For ARK 700 MM 77775 9 4 9 4 Replacing PC6 ADJUST board Replacement parts 32906 BA06 sz Remove the Left Right covers and frame See 5 2 Remove all the connectors from the board 3 Unscrew AS3 x 6 n 2 and replace the PC6 board with a new one The connectors on the P C B is quite alike When mounting the connectors on the new P C B pay attention to the connector No For details of each connector see the WIRING DIAGRAM attached to this manual 4 Mount the IC2 E2PROM on the former PC
54. f G29 in focus If one can not see the surface of the G29 clearly wear correction lenses I Q MMA W 0yxB Z Z 190 6 10 6 Replacing the Front cover Replace the Front cover if the anterior segment lamp is faulty Replacement parts AR series except AR 600 AR 600 32906 6200 32907 6200 1 Remove the Left Right and Front covers See 5 1 2 Replace the Front cover with a new one Z 77 T 77 10 7 10 7 Replacing the FOCUS LED Replacement part 32907 EA43 1 Remove the Left Right and Front covers See 5 1 2 Unscrew CK1 7 x 5 n 4 and replace the FOCUS LED with a new one 3 Perform the auto tracking and auto shot calibrations Return the cables to their original positions and arrange them so that they will not interfere with optical parts MMM S S SSS U W 10 8 10 5 Replacing the Shutter Replacement part 32906 M542 Moltopren 1 Remove the Left Right and Front covers See 5 1 529 Shading paper Front cover 2 Remove a shading paper 529 from the Front cover A shading paper is cemented to the front cover with a double sided tape Pay attention not to tear it as it will be used again 3 Unscrew 3 x 6 n 2 Take the shutter unit away from the front cover 4 Stick the 542 on the inside the measuring window Check to see that the whole Moltopren is not shifted from the frame of the window 5 Affix the shading paper to its original position
55. f bars blink it is possible that the light of the Mire ring for ARK 700 series or tracking light For AR 600 series may be coming out In such cases block it with black lacquer 25 Bring the Main body backward and gradually adjust the focus 26 Check the number of bars when measurement automatically starts as in the step 24 27 Perform the steps 23 27 with the 22D and 17D model eye to check the correct operation of the instrument Proeram for adjustment 72 A GE To the system into the adjustmnet mode turn ON DS4 or press PON CYD and GH Writing EEPROM data is possible while DSW4 is OFF Or use CYD combinations to writing the data DAR ADJUST 0 AR adjustment LED Off Servo Off Prt Rotate TEST Correcting the compensation range CL select a Addition of Compensation coefficient plus side CL select Subtraction of Compensation coefficient Correcting the compensation range CL select a Addition of Compensation coefficient minus side CL select Subtraction of Compensation coefficient Prt Parameter setting Japan AR adjustment LED ON Servo Off Change Parameter setting N INC ILO Parameter setting Overseas CL select Moving sensor carry unit forcefully OV Prt amp Change SDIV adjust AR adjustment LED ON Servo On ILO Switching between SPD and DUMMY The mode can be checked
56. f clock signal The spacing can be detected since one bit of photoreceptor is known Since CCD has an extremely narrow spacing the virtual image is deviated from the photoreceptor and it cannot be detected Therefore cylinder lens is placed in front of the photoreceptors CCD to lengthen each image to the direction in which each image crosses the axis at right angles References 916 O 5 e AR 600 CONSTRUCTION DRAWING Cos Z lt lt TRANSFORMER 4 K P LNM 16 2 AR 600 CONSTRUCTION DRAWING TOR A A a a E A 1 t p oP ALIGN LED na IN y SENSOR MO fl 4 ui C gt gt a N O ca J Rv CAMERA A i 1 i ROTATOR PH LE 6 3 Common Common 008 EM A 94 AR 94 ILLUNI ma E Un E EAdO PC2 DISPLAY BDARD ROTATOR FM Ea 2 da LIJ qo mi i3 CHART LAMP 2 O PC14 EAl4 PC MAIN BOARD PCO ADJUST BOARD ME 34 2 3 VORT AGE SELECTOR SENSOR POT SENSOR KOTDA PCI EAST FASS MONITOR AR LED 23 EG018 Common AR 20 LSD CAMERA COOLA EZ SERIAL PRINTER AR 600 WIRING DIAGRAM WWW 6 4 AA e AR 600 CONSTRUCTION DRAWING aa LI MIT Pe Por LIMIT gt 3 P R S gt X IIUtU5 lI C00XOUVO 0 C II r 16 5 e AR 600A CONSTRUCTION DRAWING
57. ght sources A and B S dlit 3 HM Half mirror FD Photodetector A and B L1 Condenser lens L2 Objective lens In optical emitting system L3 Objective lens in optical receiving system 8 R Retina lt Fig 1 gt SPOT A SPOT B Fig 1 illustrates the optical system when measuring emmetropia The slit is located at the focal distance of the objective lens in optical emitting system The slit images are properly projected on the retina through the objective lens in optical emitting system and the patient s crystalline lens The figure shows that the slit images thrown by the light sources A and B coincide SPOT A and SPOT B on the photodetectors A and B Assuming that the slit position for emmetropia is at OD it moves according to the refractive power of myopia or hyperopia LMNM SSSSS U 1 2 oe SPOT 8 SPOT A Potente Fig 2 illustrates the optical system when measuring hyperopia If the slit is located at the focal distance of the objective lens in optical emitting system the slit images do not coincide with each other on the retina the photodetector A receives light mainly from SPOT B On the other hand the photodetector B receives light mainly from SPOT A The slit moves in the positive direction until the image formation on the photodetectors achieves the B state in the figure In the case of myopia the slit moves in the negative direction The SPH CYL and AXIS values are given by the microcomputer after obtai
58. huhvhmrhmhr mh nhu u0niE W___ll 4 11 3 Adjusting the up and down movement of the Chin rest If the Chin rest knob become loose it may drop with chin s weight when placing chin on the rest In such cases adjust the Chin rest knob following the procedure below 1 Loosen HH3 x 4 fixing 59 and HH4 x 4 fixing 5083 Then tighten the screw HH4 x 4 while pressing the Chin rest knob toward the arrow direction Tighten HH4 x 4 so that it touches the faced surface of 50 2 Adjust the Chin rest knob properly Insure proper fit between the Bevel gear A and B Then tighten HH3 x 4 to fix 59 50 Bevel gear A Faced surface ES m a ad AA O SE i i LE ma U NN IN Bevel gear B HH4X4 maos 59 lt X 7 0VZ Z ZIIOD II L Z 7 77 7777 7s 101 Ms If the proper movement of the Chin rest cannot be achieved by adjusting the Knob it is necessary to adjust the height of the Bevel gear B In such cases follow the procedures below 3 Unscrew BB3 x 6 and take 43 off 4 Loosen TH3 x 6 and turn 54 Adjust the height of the Bevel gear B and a fit between the Bevel gears A and B Hook the hex wrench on 54 and turn it with the wrench Bevel gear A 54 A Lr Hook a hex wrench on R 54 at this position MM SGI 6 11 4 Calibrating by adjusting the focus of CCD camera lens When calibration can not be achieved properly by adjusting the variable resistors on the PC6 board it is
59. it will move to the left limit Press uu and check to see that the measuring unit will move to the center limit After checking that the measuring unit will stop at each limit properly leave it at the center limit Place the instrument in MODE 32 0 and set the value to 55 with 4 or v Hereafter change the value with 4 or w Place the instrument in MODE 32 1 and set the value to 170 with 4 or y Place the instrument in MODE 33 0 and set the value to 55 with 4 or v Place the instrument in MODE 33 1 and set the value to 170 with 4 or y Place the instrument in MODE 44 and set the value to 8 with 4 or y Place the instrument in MODE 45 and set the value to 2 with 4 or y Revert the instrument to MODE 31 and repeat the steps lt to check the measuring unit for correct operation again If the movement of the instrument is not smooth fine adjust the slide rail Set Switch 4 to the OFF position Or press both CYD and simultaneously MMM 0a b9Km _ 11 25 20 Press will appear on the display 21 Align the 0D model eye position to the measuring point 22 Bring the Main body forward and then gradually adjust the focus 23 Check to see that the instrument starts measurement automatically when the number of bars which are on both sides of the target decreases to one Measurement will take place 24 I
60. k to see that the chart is in correct focus Be sure to adjust the dioptric tester to your visibility If the chart is out of focus adjust the focus properly In such cases the focus should be the point when the sharp focus is obtained first while changing the value from positive side Dioptric tester 2 Change the mode to MODE12 for the next adjustment Press the Start button The mode will change to MODE 12 11 8 4 Setting Target Gain TG 1 Set the value as you inquired with PD button or in MODE 12 Most instruments have their values indication value set to 1 03 The printed data will be DEC 0015 2 Change the mode to MODE14 for the next adjustment The mode will change to MODE14 by additionally pressing the start button for three sec and releasing it The target gain does not change as it is controlled by a pulse motor The target calibration can be checked in MODE 13 which is only subordinate function MUN 11 16 11 5 5 Setting PD Gain PA 1 Press the Start button to place the instrument in MODE 13 2 Stick a scale on the Model eye with a plastic tape and calibrate the PD value to 64mm 3 Align the target to the standard line of the scale 4 Slide the main body by 64mm to the right align the target to the scale and then press E 5 Check that 64 appears If not adjust the value to 64 with 4 and v 6 Change the mode to MODE 15 fo
61. ke dee RE TERE Be L m a gt E E 7 a CR a lq ll AR A gt UG UAT Rolf CJA JJ Z ra e T z j a ja ZAB 1034 Es i oz 14 GF i mt A GND VR1 SWI x5 5ZFe ry steo gt r o o ussyrlC amp amp rxy G W W A1 14 11 8 2 Setting Print Density PC 1 Turn ON the Power switch Test print pattern HSE O 01234567 2 Set Switch 3 of the switchpack 1 on the PC1 89 lt gt ABCDEFGH JKLMNO board to the ON position The instrument PORSTUWXYZ X 1 OABCDEFG will be placed in MODE 10 HI JKLMNOPORSTUWXYZ L 3 Change the value with 4 and v the value MOTA TIRAS changes in 1 00 1 00 range in 1 ITIR FIT MIRA NEAR increments and print out the data with SAAEVIIF MODY to check the printout for density Normally set the data to 000 Setting a positive value will slow down the printing speed and increase the print density Setting the value higher than needed may affect life of the printer head 4 Change the mode to MODE11 for the next adjustment Hold down the Start button for three sec and release it The mode will change to MODE 11 MM HU C1 1 11 5 3 Setting Target Offset TO 1 Set the value as you inquired with PD button or E in MODE 11 The deterioration of the dial string may cause the OD to be shifted If you have a dioptric tester look at the chart through a dioptric tester and chec
62. lowing connectors PJ105 PC1 PJ703 704 PC7 PJ801 802 PC8 For details of each connector see the Wiring Diagram and connector table attached to this manual Replace the printer unit See 9 6 Y Does the symptom clear N Replace the PC8 board with a new one See 9 6 Does the symptom clear N Replace the PC1 board with a new one see 9 1 3 2 7 Err 8 serial printer error appears Check the following connectors PJ105 PC1 PJ703 704 PC7 PJ801 802 PC8 For details of each connector see the Wiring Diagram and connector table attached to this manual Replace the Printer unit See 9 6 Y Does the symptom clear N Replace the PC8 board with a new one See 9 6 Does the symptom clear N Replace the PC1 board with a new one See 9 1 MMM S SS U U W 3 7 3 2 8 Err 9 MEMORY FAILURE ON EEPROM appears Print out the EEPROM DATA Refer to Operator s Manual Confirm that all items of EEPROM DATA are zero Set all items of EEPROM DATA See 11 8 Was EEPROM DATA memorized properly Replace the PC6 board with a new one See 9 4 Perform sensor calibration See 11 6 Perform auto calibration of the tracking function See 11 11 3 2 9 Err A MEMORY FAILURE ON RAM appears Change the parameter setting or data time and comments acording to the instructions in Operator s Manual Turn OFF the po
63. ls of each connector see the Wring Diagram and connector table attached to this manual Is the origin sensor for the rotator normal da Replace the origin sensor for the rotator with the new one See 8 3 See 10 12 Y Replace the PC1 board with a new one See 9 1 Y Does the symptom clear N Replace the measuring unit with a new one See 10 22 MM 3 5 3 2 4 Err 4 Chart error appears Check the following connector PJ111 PC1 Also check the state of the soldered conneciion For details of the connector see the Wiring Diagram and connector tabel attached to this manual Replace the Chart unit 32908 3150 See 10 19 Y Does the symptom clear N Replace the PC1 board with a new one See 9 1 3 2 5 Err 5 CLl error or Err 6 CL2 error appears Check the following connector PJ113 PC1 Also check the state of the soldered connectoin For details of the connector see the Wiring Diagram and connector table attached to this manual Replace the Cylinder unit 32908 3160 See 10 20 Does the symptom clear 0K N Replace the PC1 board with a new one See 9 1 IAA 3 6 3 2 6 Err 7 line printer error appears N Is the printer paper set Set in a new paper roll Refer to Operator s Manual Y N Is the head lever flipped down Flip down the head lever Refer to Operator s Manual Y Check the fol
64. ltage between 1 pin and 2 pin of J613 with a multimeter 12V with pulse having a period of 0 5sec is applied to J613 on the circuit Since the multimeter measures the stable voltage its needle moves slowly If the meter indicates slightly upscale the voltage is normal Multimeter s probe I pin 2 pin 8 8 Checking the PD LED voltage 1 Remove the bottom plate and disconnect the connector P706 Turn ON the Power Switch See 5 6 2 Check the voltage between 1 pin and 2 pin of J706 with a multimeter Confirm that it reads around 5V Multimeter s probe I pin 2 pin MU 8 6 8 9 Checking the FOCUS LED voltage only for AR 600A AR 660A 1 Remove the Left and Right covers Then disconnect the connector P615 Turn ON the Power Switch See 5 1 2 Check the voltage between 1 2 pin and 7 8 pin of J615 with a multimeter Confirm that it reads around 5V Multimeter s probe 1 7 pin 2 8 pin 8 10 Checking the AKM LED voltage only for AR 700 series 1 Remove the Left and Right covers Then disconnect the connector P615 Turn ON the Power Switch See 5 1 2 Check the voltage between 1 2 pin 3 4 pin 5 6 pin and 7 8 pin of J615 with a multimeter Confirm that it reads around 5V Multimeter s probe 1 3 5 7 pin 2 4 6 8 pin 8 11 Checking the AKM LED voltage except AR 600 1 Remove the Left and Right covers Then disconnect the connector P616 Turn ON the Po
65. mad mm mik ada 32906 EA18 32156 B418 RK 24 PCIA p lt vm e Z RP a a zj w a z ski Sup ama a a w Pun aa a s u w i ja A EA A A A A M 2202 I START SW A T uu ink START SW Bf 2 1 Po J2 ENCODER I __3 pm ENCODER 2 4 m GGGG J RI SE TE ma w A m s ea a n n r s wa y a zu io ses RK ZA PC19 A s rs a z wi Pd A a mia ww 32007 EA19 Sa Sado ee ee A EO RA ee a RE p EE A A Ro ee gt R s u s y 7 782156 8A19 Peete maia m A ey P203 yoy EU RED SH 00 1 wooo UL3205 SARI 076 43 A i if 7 13 5 3402 a J E 5 Encoder RE 9NCZSKL 20FR Er TOSOKU EIR Elis Pol E004 LH30 J SIN EA57 Piia T ETT gp 0 RAR RRR AO e007 CASOS J A Je 30S IUKQ SAVANA NASA Q Two wire shielded cord UL2403 AWG25 Ss a m POS J5 MIRROR MOTORA U 3285 AWGZE x 2 DKE 5BA ei 2506 E A ee 4 EN EL i 3 i i lt pu PO om 2 1 TT aaao J A T i iz s z 4 i EHR 10 UL3265 AWG25x 4 PH TLM AR 9A PCI6 We ab am e dr a AE YEL C WHT ELA PLO JT RED 7 EOOB GEN 7 4707 9012 02 SLU 4 cHR o tiOn AR 9A PCIE CAART warga SALISSL 2AJ ios sa 205 JO ieee E a Pou 403 A ORIG
66. n taking in and out the printer VOLTAGE SELECTOR m NA SK m TRANSFORMER MMA r y rt UV5 0 2 10 2 Replacing the Joystick AR 600 ARK 700 p N W D DN N A Replacement parts AR series except AR 600 And ARK 700 32906 2080 32158 2090 32907 2080 Remove the TV panel See 5 5 Take out the Rear cover See 5 4 For ARK 700 remove the connectors on the PC22 board which 1s on the side of the monitor Remove the Cap Be careful not to scratch 72 Also be careful not to crack the hooks on the cap Unscrew CK2 6 x 8 n 3 Remove PC3 x 8 n 2 and 72 Unscrew CPC3 x 6 to release the ground cable Disconnect the connector P202 and replace the Joystick with a new one When assembling the removed parts pay attention to the arrangement of the cables o Joystick CK2 58 q EQ o P202 P2201 only for ARK 700 PC3X6 PC3x82 i JA MMM 77 10 3 10 3 Cleaning and replacing the Slide plate Replacement part 32906 M004 1 If the slide plate gets dirty the movement of 1 the main body on a plane becomes worse In such cases grip and lift the Joystick and insert a lens tissue with acetone between the base and the main body and wipe the slide plate sliding the main body f Es U s Slide plate If the slide plate gets scratched the EN movement may not be improved In such cases unscrew CK2 6 x 4 n 4 and
67. necessary to perform calibration by adjusting the focus of CCD camera lens Measure the Model eye of 0D and verify that the obtained data equals to the model eye base value If not adjust VR2 S ZERO on the PC6 board See 11 7 1 Measure the model eyes of 10D and 10D Check the difference between the obtained data and Model eye base value If all the data obtained by measuring model eyes of any diopter is higher than the calibration value as shown on the right graph turn the CCD camera lens clockwise If all the data obtained by measuring model eye of any diopter is lower than the calibration value as shown on the right graph turn the CCD camera lens counterclockwise Adjust the TV camera lens properly so that the data distribution forms a straight line on the graph Adjust GAIN gradient on VRI S GAIN on the PC6 board See 11 6 Tighten the screw HH3 x 4 after the adjustment work of camera lens Before Measured data calibration After calibration 10 Model eye TIY base value 0 Before calibration After calibration Model eye 10 base value L NUiiHAHAl U S 11 5 Positioning the target 1 2 Set Switch 4 of the switchpack to the ON position Press and place the instrument in the OTHER ADJUST MODE 10 0 measurement light LEDs Target circle reticle eee nun rs OS ep ee Turn the Rotator 902 eL E m EE Press the Start button
68. ning the refractive power of each meridian MNA 3 Outline of KM measurement principle u EA A mA AE WE Z A A AE EA LS Measuring light sources X 4 L1 Objective lens in optical emmitting system L2 Objective lens L3 Cylinder len M Mirror HM Half mirror CCD Photoreceptor EE R L3 ts Y CCD X ccp Tr Fig 3 illustrates the optical system in which the light sources are projected on the cornea and the refracted light from the cornea reaches the photoreceptors The figure shows that there are two measuring lights arranged in horizontal direction and the other two lights in vertical direction Fig 4 illustrates the position of refracted image virtual image on the cornea when four measuring lights are projected on the cornea Corneal radius on both Ist and 2nd principle meridians and cylinder axis on the patient s cornea are calculated in the measurement They are derived by computing the placement of at least three lights images projected on the cornea rather than computing positions of each light This is because that the refracted images are focused on the photoreceptors CCD 15 3 X 0 r amp O IMJLUI U IWIT 7Y llt G d5 4 CCD lenear image sensor The CCD linear image sensor on which micro photodiodes are in line detect relative spacings between imcoming rays The bit number of the spacing between A and B spotlights can be obtained by measuring t with a certain unit o
69. nuity between the following pins of P108 to confirm the CHART SELECT switches correct operation PC3 P108 ADD SW G lt O A R G SW e lt gt FIX SW VA SW time E O Las O Les electric parts Z Checkin 8 1 Checking origin sensor for the chart carry 5V 1 Remove the Left Right and Inner covers and turn ON the Power switch PJ608 See 5 E EM N Slide the Chart carry manually and check the output voltage between 3 pin and 4 pin of PJ608 with a multimeter oncewhile the shutter blocks P1 photointerrupter and at the next with no block E gt Observe the correct polarityshown in the figure for multimeter s probes e The output voltage is LOW 0V e The output voltage is HIGH 5V while when the shutter does not block the P1 the shutter blocks the P1 Chart carry Chart carry XZ IIAIII IL IIL IIU TV77777 8 2 8 2 Checking L R origin sensor except AR 600 amp ARK 700 1 Remove the Left right covers and Rear cover of the measuring unit and turn ON the Power switch See 5 gt ORIGIN PJ2207 5V 2 Attach the Model eye ARKJ 4 to the Forehead rest 3 Turn ON the Auto tracking button 4 Check the output voltage between 3 4 pin and 7 8 pin of J2207 with a multimeter once while a sort of Kent paper blocks the P1 photo interrupter and at the next with no block Observe the correct polarit
70. o check the state of the soldered connection For details os each connector see the Wiring Diagram and connector table attached to this manual Is there continuity in the recall switch on Replace the PC12 board with the new one the PC12 board See 9 8 See 7 4 Replace the PC1 board with a new one See 9 1 INN 3 11 3 9 The parameter settings can not be changed Check the following connectors PJ104 PC1 PJ201 203 PC6 For details of each connector see the Wiring Diagram and connector table attached to this manual Check the state of the soldered connection N Is there continuity in ES See 7 2 Replace the PC2 board with a new one See 9 2 Do 4 and y function normally See 7 3 Replace the PC3 board with a new one See 9 3 Replace the PC1 board with a new one See 9 1 ING 3 12 3 10 The measuring mode can not be changed Check the following connectors PJ104 PC1 PJ201 POCZ For details of each connector see the Wiring Diagram and connector table attached to this manual Is function normally See 7 2 Replace the PC2 board with a new one See 9 2 Replace the PC1 board with a new one See 9 1 3 11 The movement of the measuring unit is not smooth on a plane Clean the Slide plate See 10 3 Does the symptom clear N Replace the Slide plate with a new one See 10 3 3 12 The vertical movement of the measuring unit is not
71. odel eyes the left and right ones equal to their base value Measured data Before calibration qu ama ee ee A aN A lt _ After calibration Model eye base value Oy es Measured data Before calibration 10 Model eye base value AAN lt Adjusting SPH correction range gt 1 Set Switch 4 of the switchpack to the ON position 2 Press Sand place the instrument into the AR ADJUST MODE 0 Procedure for correcting SPH range lt For AR 600 series gt 1 Press while holding down yb 2 Press uu while holding down YD Procedure for correcting SPH range lt For AR 600 series gt 1 Press while holding down Q gt 2 Press uu while holding down Q Procedure for correcting SPH range lt For ARK 700 series gt 1 Press while holding down Q gt 2 Press uu while holding down Q Procedure for correcting SPH range lt For AR 700 series gt 1 Press while holding down yb 2 Press uu while holding down YD p SPH power decreases SPH power increases SPH power decreases SPH power increases SPH power decreases SPH power increases SPH power decreases SPH power increases 11 9 Set the Model eyes to the Forehead Rest Clean the steel balls and measuring window before calibration Turn the Power switch ON Set Switch 4 of the switchpack to the ON position Press o to place the instrument in the
72. on not to spring 5017 away as it y pring y a is pressed upward by the spring 5 Take off the TV monitor See 10 18 IA MN M 2 6 Unscrew SB5 x 15 and then take off 5016 7 Fit 5016 on the Shaft of 5017 loosen HH3 x 3 and adjust 66 so that the Shaft moves up and down smoothly and it is stable Since 67 has a slot on its head 66 can be ene Shaft turned with a screwdriver for adjusting Tf there is still a too much play in 67 after adjusting it 66 and 67 may become warped In such cases replace them with new ones If the bearing has cracks in it replace it with a new one MMM M3 11 2 Adjusting the Sway stopper unit If there is too much play in the Sway stopper unit due to shock delivered during transportation and the measuring unit sways when laterally turned adjust the sway stopper unit following the procedure below 1 Lock the main body and take the measuring unit off See 10 22 It is not necessary to remove the PCI board CCD camera and Front cover 2 Take off 84 See 11 1 3 Loosen the screw SB4 x 8 and position 103 until there is no play in the Sway stopper unit Take care not to tighten the screws SB4 x 8 too much The measuring unit may not be moved up and down If the applied grease dried out the lateral movement of the measuring unit become worse In such cases apply the grease to the Sway stopper shaft Sway stopper shaft k SB4x8 MM llulkuhu
73. ot start counter for the first Change the value with a or measurement Auto shot start counter for the second Change the value with 2 or w measurement or later MODE 0 Auto tracking stop range X Change the value with a or k MODE 0 Auto tracking stop range Y Change the value with a or Revert to MODE 0 with CYD 47 Auto shot Time out at serial measurement Change the value with a or W N N R R R O A al SAGITTAL MODEL only for ARK 700 series and SW6 is set to the ON position Mode No This should be set before shipment 0 Destined for overseas 1 Destined for OCULUS Common operations Start button The mode will be switched to the next mode oe The setting will be printed out o The instrument revert to the Menu mode lacine ROM Proeram 1 3 ME m 5 2 4a ARNE R amp D division releases Technical Bulletin every time the ROM version changes If the program Is not proper for your Instrument replace ROM with a correct one Remember that all types of Instrument has IC2 commonly installed However the earlier program version 1s not corresponding with AR 660A and ARK 760A Replacement parts 32906 E174 IC2 1 Remove the Left Right covers and frame See 5 2 Extract ROM IC2 and IC3 Use a special CPU extractor if possible If the tool is not available use two screwdrivers instead In
74. ot work 3 28 3 42 The shutter does not close only for the instruments whose S N earlier than 10121 _ 3 28 Checking the obtained data with Model eyes 4 1 4 1 Cleaning the Model eyes and Steel balls a 4 1 4 2 Cleaning the measuring Window aii 4 2 j Ae ASCII TC Mod LEVES eps 4 3 4 4 Tolerance on AR measurement error 4 3 AS NJ sl oI CC DAS canaletas 4 4 4 6 Tolerance on KM moas rement C10 OF aaa AAAA EE rre SRi ela 4 4 PROMO VINE COVERS ez S Ecco EWA o a Ra Erina Ein ai Ea piis 5 1 5 1 Removing the Front Left and Right covers 5 1 5 2 Removing the Rear cover of the measuring unlt 5 3 emo y Mate ICE apta 5 3 on A rl EO DES APA 5 4 ia AA RAD Pp Ok 5 5 5 6 Removing the bottom plate of the Instrument 5 6 Checking the mains supply condition 6 1 6 1 Checking the supply voltage to AC INLET 6 1 6 2 Checking the secondary voltage of the transformer
75. place the PC1 board with a new one see 9 1 3 23 The Cylinder mode can not be changed Ceck the following connectors PJ104 PC1 PJ201 PC2 For details of each connector see the Wiring Diagram and connector table attached to this manual N Is CYD normal See 7 2 Repalce the PC2 board with a new one See9 2 Y Replace the PC1 board with a new one See 9 1 INU 3 19 3 24 The instrument can not recognize the left and right Check the following connectors PJ103 113 PC1 PJ706 PC7 PJ2301 PCZS For detail of each connector see the Wiring Diagram and connector table attacned to this manual Clean the IR filter See 10 4 Y Replace the PC23 board with a new one See 9 10 N Is the applied voltage to the PD LED proper Replace the PD LED with a new one See 10 4 Y Replace the PC1 board with a new one See 9 1 3 25 The instrument can not be placed in the PD mode Check the following connectors PJ103 113 PC1 PJ702 706 PC7 For details of each connector see the Wiring Diagram and connector table attached to this manual N Is wia normal See 7 2 Replace the PC2 boar with a new one See 9 2 Y Replace the PC1 board with a new one See 9 1 IIA 3 20 3 26 The obtained PD value is abnormal Set the PD gain PA See 11 5 Y Does the symptom clear N Replace the PC1 board with a new one See9 1 3 27 The message Err app
76. ppears Check the following connector PJ009 RS232C CONNECTOR PJ705 PCT Also check the state of soldered connection For details of each connector see the Wiring Diagram and connector table attached to this manual Replace the PC7 board with a new one See 9 5 Does the symptom clear N Replace the PC1 board Y with a new one See 9 1 NOTE If the error message Err IF appears set the parameter ERROR CODE to YES as instructed on Operator s Manual so that the particular error code will appear to indicate the corresponding error state The following describes ten error codes and the corresponding contents It will be helpful when searching for errors I F CONNECTOR communication error Err 11 DSR is flagged when SD command is received Err 12 DSR is flagged when data is transmitted Err 13 No input data comes Err 14 The reception buffer is full Err 15 Illegible commands are received IC CARD R W communication error Err 18 DSR is flagged when SD command is received Err 19 DSR is flagged when data is transmitted Err 20 No input data comes Err 21 The reception buffer is full Err 22 Illegible commands are received INO 3 27 3 38 The printer does not operate Check the following connectors PJ103 104 105 PC1 PJ201 PC2 PJ703 704 PC7 PJ801 802 PC8 For details of each connector see the Wiring Diagram and connector table attached to this manual
77. r the next adjustment 11 8 6 Setting Mask Blink Level ML 1 Set the value to 123 1 8V with A and Y in MODE 15 ZX 6 C r 7 AL 17 11 8 7 Setting Horizontal Position HP of display 1 Place the instrument in MODE 16 0 with the Start button 2 Adjust the horizontal position of the display with 4 and v M ASTY VIT 11 8 8 Setting Vertical Position VP of display sz Place the instrument in MODE 16 0 with the Start button Pt ttt tf ft tg ft a t ASY Adjust the vertical position of the display P Revert the system to MODE 16 0 with CYD Check to see that the display is positioned as y vSW shown in the right figure A NENE MANU O U UU 11 8 9 Adjusting scale for CS Corneal Size measurement only for ARK 700 series Place the instrument in MODE 17 0 with the Start button Adjust the vertical position of the fiducial line and guide line with and y Change the mode to MODE 17 1 with the Start button Adjust the vertical position of the fiducial line and guide line with and y Change the mode to MODE 17 2 with the Start button Move the guide line to the left or right with 4 and v and position it 12mm to the fiducial line right so that the 12mm of the guide line is aligned with 12mm of the guide line eye Change the mode to MODE 17 3 with the Start button Change spacings between
78. red in a plastic bag to keep dust out check to see that no dust settles on the part before attaching it Pay attention to the arrangement of the cables CYL unit 6 Set CYL zero C1 and CYL axis C2 to the specified values See 11 8 10 Set them to the component values specified on the note which is attached to the replacement part AICA 10 22 10 21 Replacing the Battery Replacement parts 32906 E65 I 1 Remove the Left and Right covers and Rear cover of the measuring unit and Inner cover See 5 2 Stand the PC1 board 3 Replace the battery with a new one Observe the correct polarity for BT1 as7 LU a_ z 3 noz U lt ica PO s 1 1 1C38 gt a CO IC1 a ALIS 4 D 38 ba cu 211 a 2 nm a Ra N ICia Ja FEO a TANG O pa 21 40847 UE R 4 Ap ay ja k e pm tz za al w la LO 4 w n lt i cant ai a If 3 Er a i u a3 MAMBECZI 3 al ES Ss SG ES o 2 r37 O El fra HE ne gt 1281 zs i 4 pas _ i as FO Aa eo ej c P jk 8 afew o cas ALSO SP asa r e l O e M u h m o o cas a 523 v a KA x 3 gt SEA U 4 KEG St nas 13 ses ja E a Cloe Sa 2 r nsns2css G CASIO t wn o cis D U aut 3 C 48 1 gt A iso que 00000 by E a ER ia Ni O Co Os ea Rani REM OEM wa cise 1039 2S20m amp D HC34 ACTA B O 5 Rasa unn
79. replace the slide plate with a new one Pay attention to the fixed orientation of the plate N Slide plate MMS 10 4 10 4 Replacing LED and cleaning R filter Replacement part 32906 EA24 1 When PD ERR occurs first clean the IR filter at the foot of the Head rest Cleaning is easily done by removing the Chin rest To finish the cleaning use the acetone 2 Remove the Bottom plate See 5 6 3 Unscrew PC3 x 6 and replace the PD LED with a new one Make sure that the LED stands straight for the P C B MAMMA SS 10 58 10 5 Replacing LED and cleaning of the G29 Replacement part 32906 EA40 Rh R HHa4 A ESR lt Replacing the LED for the Alignment gt 1 Remove the Left Right and Inner covers and the frame See 5 5 2 Loosen HH3 x 4 and replace the LED for the Alignment Fit the LED into 382 with a rubber bond Take care not to tighten the screw HH3 x 4 too much Ifnot the LED may be damaged Rubber bond ZH 7771 727 382 lt Blowing the dust on G29 off gt When replacing the LED G29 may get dirty Check the G29 for dusts and clean it if necessary following the procedure below 1 Turn ON the Power switch and look at the chart through the measuring window If the dirt is seen within the field of view blow the dust off the G29 The optical system was designed so that a person whose sphere powers are around 2D Blower can see the surface o
80. scales of the guide line with 4 and v and align the 10 14mm scales with the ones of the model eye scale Return the mode to MODE 17 0 with CYD O O IO O O O a t AST m o Hi M M m m y WSF M WODE 1 9 m ELI tT ET Tt Tf 101234 m 101234 m Q 000 m m m M ASF MODE 17 09 SW BH SRR CIL 10 234 J o fis ASW Y SW gt MODE 17 2 101234 J 2 hh ASW MODE 17 3 II 18 lt X 7l 77 cX A 19 lt Adjusting CS gt 1 Place the instrument in MODE 18 0 with eae the Start button Im N 2 Adjust the vertical position of the fiducial m WZ line and guide line with 4 and v MODE 13 0 3 Change the mode to MODE 18 1 with the Start button 4 Adjust the vertical position of the fiducial line and guide line with 4 and v 5 Change the mode to MODE 18 2 with the m Start button MAS VODE vs a 6 Move the guide line to the left or right with 4 and v and position it 5mm to the fiducial line right so that the 5mm scale of the guide line is aligned with the one of the model eye scale 7 Change the mode to MODE 18 3 with the Start button 8 Change spacings between scales of the guide sa line with 4 and v and align the 1 10mm MODE 18 2 scales with the ones of the model eye scale CYL 9 Return the mode to MODE 18 0 with CYD ASH gt WOH MODE 18 3 SPR CTL 000 CWW
81. sert the screwdriver blades to both sides of ROM and lift it off 3 Install the new ROM paying attention to its fixed orientation Mount it in a horizontal position Take care not to touch the contact surface of ROM The corrosion may cause contact failure 4 Set parameters date and time and comment according to the instructions on Operator s Manual KUM TC3 CSC 3 14 List SWI and SW2 operations AAA m Functions of DIP SW SW1 Functions of AR 10 A RK 4 A DIP SW e Functions of DIP SW 1 RESERVE Factory setting OFF EM a o ME 2 reserve oroe Do ee recompor o oaza gara viral West e motta wag cam Functions of AR 10 TYPE ll DIPSW e Functions of DIP SW for V4 00 ration e RESERVE Factory setting OFF r N Printer setting SW No 7 valid new line printer Lineprinter o id O oee EAT reee o E F RESERVE Factory setting OFF Import valid invalid Valid LM Invalid IC card Functions of AR 10B RK 4B DIP SW e Functions of DIP SW 1 RESERVE Factory setting OFF O _ RESERVE Factory setting OFF Me Adjustment mode AR KM OTHER Adjustment mode X 5 77 0 h ll d4 2 Functions of ROTARY SW SW2 Function of ROTARY SW Except AR 10 TYPE II e Functions of ROTARY SW tostado woar i Function of ROTARY SW AR 10 TYPE II e Functions of ROTARY SW Model code nade
82. t Adjust the CS Scale 10mm position with a or Revert to MODE 0 with D Mode 0 PS screen Vertical adjustment Change the vertical position with a or vw Change the horizontal position with a or Adjust the standard position Mode 2 PS Scale 14mm adjustment Adjust the PS Scale 14mm position with a or Change the PS Scale 10mm position with a or Revert to MODE 0 with CD Mode 3 CS Scale 10mm adjustment Mode 1 PS screen Horizontal adjustment Mode 0 CS screen Vertical adjustment Change the vertical position with or Mode 1 CS screen Horizontal adjustment Change the horizontal position with a or Adjust the 17 standard position z Mode 2 CS Scale 14mm adjustment Adjust the CS Scale 14mm position with a or Mode 3 PS Scale 10mm adjustment MMM SSS UUY 142 2 TRC ADJUST P only for A type models 30 31 Mode 0 The smallest value at fine run of Change the minimum value with a or Switch between static image and line drawing with 9 Change the maximum value with a or gi a ada Switch between static image and line drawing with 9 Revert to MODE 0 with CYD mo smalesi ao ar Men Change the minimum value with a or gt Mode 1 The largest value at fine run of Change the maximum value with a or U
83. t Switch 7 to the ON position and then turn ON the Power switch 4 Adjust each value as follows For adjusting letters VR2 Brightness 0 16V VR3 Sharpness 0V For adjusting the target VR2 Brightness 0 16V VRS Sharpness 0V VR2 4 VR3 VR2 VRS N G 11 23 11 11 Tracking auto calibration except AR 600 and ARK 700 1 Set Switch 4 to the ON position Or press the Power switch while holding down ap and to place the instrument in TRC ADJUST MODE 2 Set Switch 6 to the ON position 3 Set the Model eye to the Forehead rest 4 Place the instrument in MODE 30 5 Press H to make 30 appear at the left end of the Display panel 6 For ARK 700A and ARK 760A align the Mire ring to the center of the target and adjust the focus properly For AR 600A and AR 660A align the Alignment light to the center of the target and adjust the focus properly Then press Ay Alignment light Mire ring gt a the Mire ring to the target ceneter and _ visually obtain the focus i Target ARK 700 760A AR 600A 660A INY 11 24 8 10 11 12 13 14 15 16 17 18 19 Press the Start button once and place the instrument in MODE 31 Hereafter the MODE No will be switched to another No with every press of the Start button Press and check to see that th measuring unit will move to the right limit Press and check to see that the measuring un
84. t parts PC23 32906 BA23 Shading paper 32906 M528 1 Remove the Left Right and Front covers See 5 N Remove the 528 shading paper od Remove 82053 C305A n 2 526 the PC23 board and FE A34 a Remove PC3 x n 2 526 and then replace the PC23 board to the new one Do not touch the photoreceptor CCD Note that CCD is easily damaged by static electricity DN Affix the new 528 shading paper If the dust settles on the filter blow the dust off with a blower MANU 9 13 9 11 Replacing the PC24 PD LED board Replacement parts PC24 32906 EA24 1 Take off the Bottom plate See 5 6 2 Replace the PC24 board with a new one Check to see that the LED stands straight Replacing parts 10 1 Replacing the transformer Replacement parts 100V series 32903 E505 1 200V series 32903 E5052 Transformer SES the primary cables 2 Take out the PC7 board See 9 5 TR S gt aj 1 Remove the bottom plate See 5 6 source unit 3 Unscrew PC4 x 6 n 4 and PC3 x 6 n 3 and then take the power source unit out 4 Cut off three primary cables of the Power source unit take away the transformer from the power source unit 5 Desolder the above cables from the transformer and replace it with a new one Route the wires following the wiring diagram below Insulate the soldered sections with heat shrink tubes Arrange the cables so that they do not interfere with 28 whe
85. tained PD Vale is abnormal uuu A EZ 3 20 3 27 The message Err appears during KM measurement 3 20 3 28 The obtained KM value is abnormal 3 20 3 29 The up and down movement of the Chin rest is not smooth 11111111111 3 21 3 30 The charts can not be seen 3 21 3 31 Err does not appear though the patient blinked during measurement 3 22 3 32 The auto tracking function does not work 3 23 3 33 The auto shot function does not woIL 3 24 3 34 The Instrument can not be placed in the VA TEST mode where the subjective measurement is done eran 3 24 3 35 VA charts can not be changed u u asas O qasasqa OJO 3 25 3 36 The presented chart is out of focus during the subjective measurement except when a patient has irregular astigmatism 3 25 3 37 The message Err IF Interface error appears 3 26 3 38 The printer does not Operatoria aaa 3 27 3 9 L iphtprinied CROSS AMA 3 27 3 40 The Eyeprint function can not be turned On 3 28 3 41 The TV auto OFF function does n
86. the instrument Does the shutter close For early model AR 600 only Y End of the check flow 3 42 The shutter does not close only for AR 600 whose S N is earlier than 10121 TROUBLESHOOTING 93 MNA 3 1 The TV monitor displays nothing the monitor display is abnormal Check the following connectors PJ103 104 PC1 PJ201 PC2 PJ701 702 PC7 For details of each connector see the Wiring Diagram and connector table Are the fuses all right event Replace the the Power Switch is turned OFF with a new N one Is the voltage supplied to AC INLET normal See 6 1 It is recommendable to install a voltage stabi lizer Y Is the votage between N Replace the transformer with a new one See 10 1 See 6 3 Y Replace the PC7 board with a new one Replace the PC1 board with a new one See 9 1 See 9 5 Does the symptom clear N Replace the PC2 board with a new one See 9 2 AU U 3 2 3 2 The message Err appears after turning ON the Power Switch If the message Err appears after turning ON the Power Switch set the following parameter to YES following the instructions in Operator s Manual For AR 600 series PARAMETERS 33 Err Code YES For ARK 700 series PARAMETERS 37 Err Code YES 3 2 1 Err 1 Sensor carry error appears Check the following connectors PJ103 106 PC1
87. to place the instrument in the MODE 10 2 Move the target square up and down with 4 and w to position between two LEDs Align the frame of the model eyes to the measuring point and adjust the focus of two Move the target square to the right and left with and to position it between two LEDs i l oe ee esa CI eee ee eee WYR s a east ta t JE ate ata aa vem se WC CC a ee w s CIA ema s 2 A a m a CD ICA TAS Cr E M S eee ar a OW WACIKI a eee estela als sos MANN MB 11 6 Sensor calibration adjusting VR1 and VR2 on the PC6 board If only the obtained SPH data is abnormal after replacing the PC6 board perform sensor calibration by adjusting VR1 and VR2 on the PC6 board However the calibration work should be performed only in conditions where sensor OFFSET is normal and the focus of the camera lens are achieved properly If CYL data is too high and SPH data is abnormal due to other reasons correct the erroneous state first If not the measured data may be unreliable instead 1 Remove the Left and Right covers See 5 1 2 Attach the Model eyes three steel balls to the Forehead rest and turn ON the Power Switch See 4 3 3 Adjust the VR2 S ZERO on the PC6 board so that the measured data of 0D model eye the center one equals to its base value 4 Adjust the VR1 S GAIN on the PC6 board so that the measured data of and 10D m
88. unhook the cover va tilt the metal scale toward an arrow MMNM SSDS U 5 2 Ei Front cover li 6300 Frame 5 Remove the Left and Right covers When removing or assembling the Left and right covers hold both the covers with your both right and left hands and open them to the arrow direction as above When fitting the cover fasten the fixing lips of the Front cover in advance 6 Unscrew AS3 x 6 fixing the front cover 7 Unscrew AS3 x 6 n 4 fixing the frame to remove the frame 6300 8 Disconnect J13 flat cable on the PC1 board J19 white black and J14 red black on the PC6 board from connectors 9 Release the mask cable gray flat cable and alignment LED cable orange black from the metal clamps on front cover When fitting the Front cover these cables should be located as before It is necessary to remember their original position Front cover MNH 9 ly 7 5 3 5 2 Removing the Rear cover of the measuring unit 1 Unscrew AS3 x 8 n 2 to remove the Rear cover PC1 board ES WB 3 6 gt NS TO L gt PC22 board Knurled Screw 5 3 Removing the Inner cover 1 Loosen AS3 x 8 n 4 to remove the frame 2 Loosen WB3 x 6 and the knurled screw to stand the PC1 and PC22 board 3 Unscrew PC3 x 4 n 2 to remove the Inner cover LUNA 5 4 Removing the Rear cover 1 Remove 91 with a precision driver 2 Unscrew PC3 x 12 to remove the Rear co
89. ver PC3x12 x2 gt o 91 x2 Rear cover 5 4 MNS 3 5 5 5 Removing the TV panel For AR 600 1 Pull out the elevation knob 2 Unscrew PC3 x 8 and disconnect the connectors J201 and J202 to remove the TV panel In removing the TV panel first lift it to release the fixing lips of the panel and then pull the panel forward from the bottom side Elevation knob PC3x8 we For AR 600 AR 700 series except AR 600 1 Remove 91 with a precision driver 2 Unscrew PC3 x 8 and disconnect the connectors J201 J202 J203 and J204 to remove the TV panel J203 and J204 are for the instrument provided with subjective measurement function In removing the TV panel first lift 1t to release the fixing lips of the panel and then pull the panel forward from the bottom side X 0O077 YY S 6 5 6 Removing the bottom plate of the instrument 1 Fix the main body to the base with Locking hnob and gently lay down the instrument 2 Unscrew PC3 x 6 and draw the printer unit to remove the bottom plate s ji Bottom plate PC3x6 eckine the 96 7 n OUT IIA 6 1 Checking the supply voltage to AC INLET 1 Check AC voltage in the wall outlet and between terminals on the table tap with a multimeter Confirm that the voltages are within 10 of the specified voltage If the obtained voltages are out of 10 due to poor electrical environment it is recommended to use a voltage stabili
90. wer Switch See 5 1 2 Check the voltage between 1 3 pin and 2 3 pin of J616 with a multimeter Confirm that it reads around 12V Multimeter s probe 1 2 pin 3 pin Replacine circuit boards 9 1 Replacing PCI MAIN board Replacement parts 32906 BA01 ROM IC2 and IC3 is not included in the P C B 1 Remove the Left Right covers and frame See 5 2 Remove all the connectors from the board 3 Take out the PC22 board by screwing AS3 x 6 See 9 9 The PC22 board is not used in AR 600 and ARK 700 4 Unscrew AS3 x 6 and take out the PC1 board with heat radiating plate 5 Unscrew the knurled screw and the screws fixing the PC1 board and attach them on the new PC1 board 6 Extract ROM and mount it onto the new board 7 Set SW1 and SW2 according to 14 List of SW1 and SW2 functions on the PC1 board The PC1 board including ROM can be commonly used in the AR 600 and ARK 700 series However the setting of SW1 and SW2 differs according to the model and destination 8 Set the parameter date and time and input comments referring to Operator s manual Then check the instrument for proper operation MME 9 2 9 2 Replacing PC2 DISPLAY board Replacement parts 32906 BA02 1 Remove the TV panel See 5 2 Unscrew PT3 x 8 and PT3 x 6 n 3 to take the PC2 out 3 Take off the Cover from the PC2 board and attach it to the new P C B with an adhesive tape If a button is of
91. wer of the instrument and leave it for a while Then check the set contents above Was EEPROM DATA memorized N properly Use the instrument for some time Replace the PC1 board with a new If the message appears again re one See 9 1 N Turn ON the Power Switch to re charge the batery Is the output voltage of the battery 3V See 6 4 place the battery or the PC1 board See 9 1 AAR N 3 2 10 PD ERR appears Avoid using the instrument in the environment where it is exposed to the direct sunlight or an incandescent light If dust settles on the LED filter for PD located at the foot of the Chin Rest remove it with a blower brush Check the following connectors PJ105 113 PC1 PJ703 706 PC7 PJ2301 PC23 For details of each connector refer to the Wiring Diagram or connec tor tabel attached to this manual Replace the PC23 board with a new one See 9 10 Reim PD calibration See11 8 5 Does the symptom clear N Replace the PC24 board with a new one See 9 10 Y Does the symptom clear N Replace the PC1 board with a new one See 9 1 3 8 INNA 3 9 3 3 The shutter does not open only for AR 600 whose S N is earlier than 10121 Remove the shutter unit See 10 8 3 4 A raster does not appear The TV monitor does not light well Check the following connectors PJ005 MONITOR PJ103 106 112 PC1 PJ601 PC6
92. wires 4 Unscrew PC3 x 4 n 3 and take off 107 5 Unscrew PC3 x 4 n 3 and take off 487 6 Unscrew SB3 x 8 n 3 and SB4 x 6 n 4 and replace the measuring unit with a new one The measuring unit should be transported with its covers attached for keeping dust out Therefore to return the unit for service and etc be sure to pack the measuring unit with its covers attached For the early models replace 515 and 517 r together with the measuring unit This is 7 e because that the holes positions for 515 j N and 517 differs from the ones for the other models 7 Set the parameters according to parameter tables on Operator s Manual Adjusting each part 11 1 Adjusting the pressure of roller bearing 67 for up and down shaft If the roller bearings become loose due to shock delivered during transportation and the measuring unit becomes unstable adjust the pressure of the bearings following the procedure below Replacement parts Shaft 34322 M066 Eccentric shaft 34322 M067 Roller bearings 82011 0410A 1 Turn ON the Power switch and verify that all three bearings are turning when moving up and down the measuring unit If not follow the steps below 2 Take the measuring unit off See 10 22 3 Remove the screws PC4 x 6 and 84 4 Unscrew FC2 6 x 5 take off 76 and 5017 L Take off 5017 by turning the Joystick while holding down 5017 8 Pay attenti
93. with a double sided adhesive Shading paper tape SA Front cover Se gt Aligh the peper to this end DN SS MANU UN 10 9 Replacing the LED cable Replacement part 32903 E5033 1 Remove the Left Right covers and Rear cover of the measuring unit See 5 2 Disconnect the connector P606 and release the tied cables See 9 5 3 Loosen the screw TG2 x 3 pull out 318 and cut the cables off 4 Unsolder the cut off cables on the PC11 5 Pass the new cables through 318 and solder each cable to the PC11 board as shown in the figure N Knot three cables inside 318 so that a force is not directly applied to the soldered joints 7 Apply a drop of the silicone bond to the cable for the protection from breakage 10 9 YE e TG2X3 RED YEL Solder joints PCN WHT Tie the cables ES ner LED cable mmm Leave the cable for one half day or more until the bond becomes stiff Confirm that the cable does not allow a slight movement even though the rotator is turned 8 Clamp the cable with a cable clamp so that it will not catch the moving rotator X r y ITI IUIAIU II AIYI 7 77777777777777 x 10 10 Replacing the Chart lamp Replacement parts 32906 EA14 1 Remove the Left Right covers and Rear cover of the measuring unit See 5 2 Unscrew CK2 x 4 n 2 and replace the Chart lamp with a new one Arrange the Chart cable so that it will not Interf
94. with the shading plate Remember to draw lines of both the center measured from the left limit and the one measured from the right limit 6 Take a measurement of the distance between the lines Then verify that the distance between the center position and each limit is 2mm or more A displacement between the center positions measured in step 5 should be within 1mm 10 15 Replacing the U D Motor for moving the measurement unit up and down Except AR 600 Replacement parts For ARK 700 For ARK 600A ARK 700A AR 660A ARK 760A 32156 EA05 39047 EA46 1 Remove the Left Right and Front covers Rear covers of the measuring unit Inner cover and TV panel A See 5 U D motor 2 Remove the Monitor and measuring unit See 10 17 and 10 23 3 Unscrew SB4 x 8 and take the U D motor away 4 Remove the screw HHS x 6 Pulley three screws FC3x 6 and 115 and then replace the U D motor with a new one Adjust the belt tension so that it sags 4 5mm when it 1s pressed down lightly with hands INNA 10 17 10 16 Replacing the R L motor For moving the instrument to the right or left Except AR 600 and ARK 700 Replacement part 32907 EA48 ma Remove the Left Right and Front covers Rear cover of the measuring unit Inner cover and TV panel See 5 gt Remove the Monitor and measuring unit See 10 17 and 10 23 e Unscrew SB3 x 8 n 2 and take off 7000 A q Unscrew HH4 x 5 n 2 and SB3 x
95. y 3 7 The switching between the manual mode and auto tracking mode can not be done Press the Recall Switch For the instruments provided with subjective measurement function only N Can the instrument be placed in 3 8 The instrument can not be placed in the mode the objective measurement mode where the objective measurement is performed Y MNI 07 2 3 Y Can the parameter setting of 1 Step gt 3 9 The parameter settings can not be changed be changed to 0 01D N Can the mode be switched to lt R gt 3 10 The measuring mode can not be changed mode For model ARK 700 series only Attach the Model eyes to the Forehead rest Is the movement of the measurin A E 3 11 The movement of the measuring unit is unit smooth on a plane not smooth on a plane Y H a N Is the GE and down movement of the 3 12 The vertical movement of the measuring unit is measuring unit smooth not smooth 3 13 The measuring unit is unstable Do the Alignment Light and Mire N EE nd E Ring appear on the TV monitor 5 The Alignment Light does not appear on the TV monitor only for AR 600 series Y 3 15 The Mire Ring does not appear on the TV monitor only for ARK 700 series Does the Model eye image appear clearly on the TV monitor 3 16 The Model eye image on the TV monitor is not clear Y Can you measure the Model eye 3 17 AR measurement does not start Y
96. y shown in the figure for multimeter s probes The output voltage is LOW 0V when e The output voltage is HIGH 5V when a Kent paper does not block the P1 a Kent paper does not block the P1 E TON ETT Sos N L C ORIGIN RORIGIN L ORIGIN sensor 1s provided for the early models but 1t 1s not used MMS 8 3 8 3 Checking the Origin sensor for the Rotator 1 Remove the Left Right covers and Rear cover of the measuring unit and turn ON the Power switch See 5 N Rotate the SPD clockwise and Check the output voltage between 9 pin and 10 pin of PJ606 with a multimeter while a shutter blocks the P1 photo interrupter and while it does not block the P1 Observe the correct polarity shown in the figure for multimeter s probes e The output voltage is LOW 0V e The output voltage is HIGH 5V when the shutter does not block the P1 while the shutter blocks the P1 IIA 8 4 8 4 AR measurement LED and LED cable 1 Remove the Left and Right covers and turn ON the Power switch See 5 1 2 Attach the Model eye ARKJ 4 to the Forehead rest Set Switch 4 of switchpack SWI on the PC1 board to the ON position Press the Start button once to place the instrument to the mode 1 See 12 Put the target square within the model eye frame Two lights of light source LED for AR measurement LED appears by moving the Main body back and force
97. zer Take care not to touch the metal part of the multimeter probe 6 2 Checking the secondary voltage of the transformer 1 Lay the instrument down and remove the bottom plate See 5 6 2 Unscrew PCA x 8 lift the PC7 board and disconnect the connector P701 See 9 5 3 Turn ON the Power switch and check the AC voltage between the following terminals respectively Confirm that each voltages are within 10 of the specified level AC14V AC18V AC INLET AC18V AC18V AC10V O TRANSFORMER X ypa 77777 m 6 2 6 3 Checking output voltage on PC7 board 1 Remove the Left and Right covers See 5 1 2 Disconnect the connector P103 on PC1 board and turn ON the Power switch Check the output voltage between the following pins Confirm that each voltage are within 5 of the specified level P103 15V D GND 15V 5V TO PC7 GND 5V 15V e GND 15V 15V 8 12V 9 GND 12V 5V D Observe the correct polarity for multimeter s probes GND pins on PC7 board and the ones of P103 connector are common pins 6 4 Checking output voltage from backup battery 1 Remove the Left and Right covers See 5 1 2 Remove the frame 3 Check the output voltage from the BT1 on the PC1 board Confirm that it is within 3V 5 Observe the correct polarity for multimeter s probes X 0 y Z ME 6 5 Checking voltage in D1 and D2 on the PC6 board 1 Remove the Left and Right covers See 5 1

AR-600/ARK-700 SERIES

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