Nikkor JAA79051 Repair Manual Download Page 59 | Manualshive

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JAA79051-R.3624.A

- L37 ･ AF-S DX18-70/3.5-4.5G -

　

The total number of pulses in inspecting should be within the standard.

　

Standard of all pulses

　：　

2506 ± 94 PLUSE(S)

TYPE OF LENS：　AF-S 18-70mm/3.5-4.5G

　　 CPU VERSION：21.01.00

OPERATION OF MR ENCODER.

THE TOTAL NUMBER OF PULSE(S) AT INSPECTION.

［PULSE(S)］

---------　2506

STANDARD FOR THE NUMBER : FROM 2412 TO 2600［PULSE(S)］

IN STANDARD.

PUSH OK TO RETURN TO MENU.

OK

INC

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Summary of Contents for JAA79051

Page 1: ...3624 A REPAIR MANUAL NIKON CORPORATION Tokyo Japan Recycled paper Printed in Japan February 2004 Copyright 2004 by Nikon Corporation All Rights Reserved AF S DX Zoom Nikkor ED 18 70mm f 3 5 4 5G IF JA...

Page 2: ...ents 76 22 50 with Nikon Digital Camera D1 D1H D1X D2H D100 18 24 35 50 70mm Output to camera body Manually via separate zoom ring Nikon Internal Focusing IF system utilizing an internal Silent Wave M...

Page 3: ...JAA79051 R 3624 A L1 AF S DX18 70 3 5 4 5G RUBBER RING SHEET DISASSEMBLY ASSEMBLY ADJUSTMENT 1 DISASSEMBLY 1st AND 2nd LENS GROUP 35 48 77 79 1st lens group unit 2nd lens group unit INC...

Page 4: ...JAA79051 R 3624 A L2 AF S DX18 70 3 5 4 5G FILTER RING 96 3 25 ZOOM RING 61 Remove 3 screws 96 and remove the filter ring 25 while rotating it in the arrow direction Remove the screw 61 INC...

Page 5: ...te The three convex sections on the inner diameter of zoom ring are put into the groove of 22 When removing the zoom ring rotate it until the convex sections can be removed from the groove and then re...

Page 6: ...YONET MOUNT 98 3 116 78 INDEX RING FOCUS RING M A selector switch Slide the M A selector switch unit in the arrow direction as shown in the left pic ture Remove 3 screws 98 and the screw 116 and detac...

Page 7: ...focus ring As shown in the left picture pass the M A selector switch unit through the index ring Index ring Focus ring MAIN PCB Zoom encoder FPC Distance encoder FPC MR sensor FPC 115 Main PCB Remove...

Page 8: ...JAA79051 R 3624 A L6 AF S DX18 70 3 5 4 5G SWM UNIT 96 3 96 3 SWM unit 29 Remove 3 screws 96 and detach the Rear fixed ring 29 Remove 3 screws 96 and detach the SWM unit INC...

Page 9: ...th and 4th lens groups should be removed When the 5th and 4th lens groups are removed lens alignment should be performed after assembly If the alignment is impossible in the service office do not carr...

Page 10: ...8 AF S DX18 70 3 5 4 5G 4th AND 5th LENS GROUP 96 3 5th lens group 4th lens group 96 3 3rd LENS GROUP 3rd lens group Remove 3 screws 96 and detach the 5th lens group Remove 3 screws 96 and detach the...

Page 11: ...3 5 4 5G APERTURE BLADE HOUSING UNIT 80 3 83 3 Aperture blade housing unit ZOOM ENCODER BRUSH 74 75 Remove 3 screws 80 3 rollers 83 and detach the Aperture blade housing unit Remove 3 screws 75 and de...

Page 12: ...5G ZOOM KEY 59 62 60 B7 3 1st LENS GROUP SLIDING RING 81 3 51 Remove the screws 60 and 62 and detach the zoom key 59 Remove 3 screws 51 the three zoom keys B7 and detach the 1st lens group sliding ri...

Page 13: ...JAA79051 R 3624 A L11 AF S DX18 70 3 5 4 5G CAM RING 50 INC...

Page 14: ...rows adhere the zoom encoder FPC 1002 to 24 CAM RING GROUP MZ 800S Grease application Apply MZ 800S to 6 straight grooves of 24 Apply I 40 to 3 cam grooves of 24 Apply I 40 to 9 cam grooves and horizo...

Page 15: ...rence Tighting the screws 81 causes inclination of B7 and it becomes heavy in operating the cam ring Therefore as shown below put a back washer etc in between B7 and the straight groove and tighten th...

Page 16: ...k 74 Set the zoom encoder brush 74 Tighten the screw 75 temporarily Set the cam ring to the W side as shown in the above picture Adjust the brush position so that the edge of the brush are positioned...

Page 17: ...NG UNIT 80 3 83 3 Aperture blade housing unit Aperture lever Convex section Check When mounting the aperture blade chamber unit the aperture lever must be positioned as shown left Assemble the zoom Ap...

Page 18: ...d LENS GROUP HOUSING UNIT 84 3 86 3 85 3 2nd lens group housing unit 52 56 Apply to 2 convexties on outer diameter Grease G92KA Apply G92KA to the 3 cam grooves of 52 Assemble the 2nd lens group with...

Page 19: ...ipment and tools required Single output rated voltage power supply 1 unit With 5 0V and 100mA applicable to the self made tool Oscilloscope 1 unit Self made tool 1 unit Note In case of any trouble in...

Page 20: ...L18 AF S DX18 70 3 5 4 5G 96 3 Focus ring Oscilloscope 2ch Power supply Set values 5 0V 100mA GND Connection diagram Self made tool SWM unit Cam ring unit Oscilloscope 2ch Oscilloscope 1ch Power suppl...

Page 21: ...rm noise use the filter function How to set the filer function by Yokogawa manufactured DL1540 Press the filter button Select Smooth in the menu on the PC screen Setting of oscilloscope V Div CH1 V Di...

Page 22: ...magnetic data of magnetic tape may be damaged Then replace the magnetic tape and adjust it again Reference In case the amplitude of either CH1 or CH2 is smaller one of 2 screws 541 may be loosened so...

Page 23: ...om ring fixing ring 22 and apply the oil barrier to the whole 67 INSTALLATION OF THE SWM UNIT 96 3 Note When mounting 22 do NOT allow it to touch the MR head If external pressure is applied to the MR...

Page 24: ...JAA79051 R 3624 A L22 AF S DX18 70 3 5 4 5G 96 3 3rd LENS GROUP 3rd lens group 29 Set the rear fixed ring 29 with 3 screws 96 INC...

Page 25: ...51 R 3624 A L23 AF S DX18 70 3 5 4 5G 4th LENS GROUP 96 3 4th lens group 5th LENS GROUP 96 3 5th lens group Aperture lever Set the 4th lens group with 3 screws 96 Set the 5th lens group with 3 screws...

Page 26: ...PCB Assemble the main PCB and fix it with the washer 97 and the screw 115 Connect each FPC as shown in the left to the connectors INDEX RING FOCUS RING M A selector switch Focus ring Index ring 97 Se...

Page 27: ...switch in the arrow direction and assemble it into the index ring BAYONET MOUNT 98 3 116 78 63 63 Bayonet Rear side Front side Fig 1 Attach the washers 78 Set the bayonet mount with 3 screws 98 and t...

Page 28: ...R J18004 1 Set the tool J18004 1 and check the aperture diameter Standard Full aperture If it is out of the standard adjust the position of the aperture lever 23 by loosening 2 screws 95 95 2 23 ZOOM...

Page 29: ...tting position 61 whole circumference of groove Apply I 40 to the 6 convex places on the outer circumference of 38 Adhesive Lock End B As shown left rotate the zoom ring B32 to align the hole position...

Page 30: ...ex places on the outer circumference of the filter ring 25 By aligning the index of the filter ring and the M A selector switch assemble the filter ring 25 into 38 1st AND 2nd LENS GROUP 77 79 1st len...

Page 31: ...the bayonet mount on Page L25 Create Aperture opening tool Common with AF S 24 85 3 5 4 5G Procedure Prepare one piece of rubber 12mm x 7mm x 2mm Note Choose relatively flexible material of rubber tha...

Page 32: ...equipment for periphery alignment How to fix Same as the above 4th lens group holder Create the center positioning tool ref Page28 17 for how to create it Create cardboards in which Lens alignment ch...

Page 33: ...shooting equipment for 5th lens group alignment Back view of Lens optical alignment equipment for center and periphery VIDEO cable VIDEO IN VIDEO OUT VIDEO IN of LINE A Fiber optic cable Cross line c...

Page 34: ...ease pin Center positioning tool Fixing lever Lens alignment equipment for periphery Unlock the the holder moving lever and move the holder down slowly by the lever Holder moving lever Unlock Move dow...

Page 35: ...er Alignment screwdrivers long middle short Lock Move up Holder moving lever With the 3 screws of the 5th lens chamber being loose mount the lens to be examined on the equipment for periphery ref for...

Page 36: ...s 1 calibrated comes in the center of the Monitor 1 Adjust the cross lines by turning the LIGHT CONT knob of MEGALIGHT 100 and the focus ring until the calibration of the cross lines can be seen clear...

Page 37: ...equipment for center ref of 3 for how to fit in it and set the zoom ring to TELE end 70 mm side Remove the both cable that connects the VIDEO terminal of the CCD camera and the fiber optic cable that...

Page 38: ...3 screws of the 4th lens chamber Move the holder moving lever up slowly to lock the holder and remove the lens from the equipment for center Turn the power of the Monitor LINE GENERATOR and MEGALIGHT...

Page 39: ...nd the ISO to 200 Set up the camera D100 on a tripod on the slide rail Set the indication pointer of the tripod to 30 cm Set the alignment chart J19128 as shown below 30 cm 2m 10 1 cm Shooting 30 fold...

Page 40: ...ll the entire finder field frame Adjust the tilt of the slide rail to make the 3 chart lines position in the center of the viewfinder when the tripod is slid all the way to the front and back Back the...

Page 41: ...3624 A L28 11 AF S DX18 70 3 5 4 5G January 28 2005 Point the cursor to the title bar of the window Right click on it and select Lens Name select to open the Lens Name window Then select AF S DX18 70...

Page 42: ...Additional page JAA79051 R 3624 A L28 12 AF S DX18 70 3 5 4 5G January 28 2005 Slide the tripod to the front by 18 0 1 cm Click the measurement button of the adjustment software INC...

Page 43: ...eration 4 more times totalling in 7 measurements The total sliding distance is 36 cm Note 1 When the below warning is given there may be some defects in the brightness of the viewers and or parallelis...

Page 44: ...is displayed on the Information the lens optical alignment is completed If END is NOT displayed e g X directions 1 Y directions 1 go to the next 6 5th lens group alignment periphery alignment In case...

Page 45: ...urn the power of the monitor LINE GENERATOR and MEGALIGHT100 to ON Press the LINE ON OFF button of LINE GENERATOR Turn the knobs of X1 and Y1 so that X and Y lines are displayed on the monitor Superpo...

Page 46: ...with the alignment screwdrivers Move the holder moving lever up to lock the holder Check that a shift length caused by the cross lines and the X Y lines is equal to the scales 1 1 scale of the calibra...

Page 47: ...th lens group temporarily 2 Preparation 2 1 Thefollowingisused Rearcover ring 1K631 287 X1pc Bayonet mount 1K404 157 or1K404 168 X 1pc Mountrotationstopperscrew 1K120 012 X 1pc 3 Procedure 3 1 Puttheb...

Page 48: ...as showninFig 3 1 Fig 3 Fig 3 1 3 4 Fixthefollowing3locationsoftherearcover ring with the instant glue Fig 4 3 5 Turn the bayonet mount over Reinforce the following 3 locations with the adhesive to a...

Page 49: ...cardboard box size 2 33 check the positions for embedding the light viewers and cut out the shape at 5 locations shaded parts size 154 x 245 mm as shown below ref Fig 2 Note Cutting the shape slightly...

Page 50: ...g off secure the viewers with tape around Fig 2 As for the 1st flattened cardboard box cut out the 154 x 245 mm sized shape at 5 locations Fig 1 Prepare 2 package cardboard boxes and flatten them as b...

Page 51: ...ed in the above If C is positive increase the washers to thicken If it is negative decrease the washers to thin Refer to P L28 Note When putting the washers 79 put a thin washer between thick washers...

Page 52: ...the followings Adjustments Adjustment of MR duty Adjustment of driving frequency and motor control Equipment and tools required Single output rated voltage power supply 1 unit 6 0V 3 0A Oscilloscope...

Page 53: ...ter J15307 AF S lens To RS232C terminal Oscilloscope Power supply 6V When the RS232C terminal of the personal computer is a 9 pin type connect it by using the 25 pin 9 pin conversion connector This co...

Page 54: ...ns on the screen rotate the MF ring from the infinity to the near distance direction slowly by hand Make sure that the waveform on the oscilloscope has duty 50 then stop the MF ring at the near distan...

Page 55: ...n on the rated voltage power supply Select ADJUSTMENT FOR FREQUENCY CONTROL in the menu items of the AF S 18 70 3 5 4 5G DX inspection program The lens starts scanning automatically When the above dis...

Page 56: ...there is no mechanical irregular operations of the focus ring drive unit the servo time tends to be long when the cam ring rotary weight of the MR encoder is heavy while the time tends to be short wh...

Page 57: ...c appears The displays are different depending on the items so follow the instructions of PC Operating voltage Details of the AF S 18 70 3 5 4 5G DX inspection program Menu screen Initial driving When...

Page 58: ...mes abnormal value Therefore do NOT touch the MF ring during operation Make inspections by maintaining the below 5 positions EXECUTING When the inspection ends the result appears in the next page Lens...

Page 59: ...be within the standard Standard of all pulses 2506 94 PLUSE S TYPE OF LENS AF S 18 70mm 3 5 4 5G CPU VERSION 21 01 00 OPERATION OF MR ENCODER THE TOTAL NUMBER OF PULSE S AT INSPECTION PULSE S 2506 STA...

Page 60: ...0 0 0 0 DIRECTION INF CLOSE CLOSE INF AMOUNT DF4 DF5 DF6 DF4 DF5 DF6 UNDER OVER 0 6 0 10 0 5 0 5 5 0 5 0 0 0 7 18 0 0 0 0 0 0 0 0 0 0 0 0 12 18 0 0 0 0 0 0 0 0 0 0 0 0 19 0 0 0 0 0 0 0 0 0 0 0 0 RATIO...

Page 61: ...the delay time msec millisecond to prevent stopping the lens into the entry field of DELAY TIME of the below Note The value of ADUST DELAY TIME is set by the adjustment software So if the lens does n...

Page 62: ...hould be within the standard respectively Note If the MF ring is rotated during inspection the waveform becomes abnormal value Therefore do NOT touch the MF ring during inspection Make the inspection...

Page 63: ...3 18 2 2 22 0 4 3 23 ZOOMING ENCODER 0 1 4 2 5 FOCUS MODE SELECTOR M A 3 6 4 7 5 8 6 9 7 10 8 11 9 12 10 13 11 14 12 15 13 16 14 17 15 18 16 19 PUSH CANCEL TO RETURN TO MENU This shows the type of len...

Page 64: ...h lens part is disassembled Be sure to make this adjustment after completing inspecting and adjusting the main PCB 1 Preparation Test chart Self made tool ref Procedure for how to create it Tripod D10...

Page 65: ...Additional page JAA79051 R 3624 A L40 2 AF S DX18 70 3 5 4 5G January 28 2005 Target chart Resolution chart INC...

Page 66: ...set and ISO to 200 Set up the camera D100 in which the lens to be inspected is fit on the tripod Set the focal length to 70 mm and the distance between the test chart and camera CCD face to 2 m 80 2 c...

Page 67: ...ter is released after the AF operation The shot image is automatically displayed on the PC screen Scale the image to 100 and check which chart is in focus of the 5 resolution charts 100 m 100 m 50 m 5...

Page 68: ...focal lengths are displayed within the dotted red circle Then click on Rewriting When A compensation value is written in is displayed click OK Set the focal length of the lens to 18 mm and the distanc...

Page 69: ...turned off once the value that was written in EEPROM is not reflected on the results of shooting When the adjustment software restarts perform the operations from to again Check that 0 m of the AF po...

Page 70: ...JAA79051 R 3624 A L41 AF S DX18 70 3 5 4 5G REAR COVER RING 105 2 107 3 Rear cover ring RUBBER RING SHEET 35 48 INC...

Page 71: ...MR duty Necessary to write fixed value Adjustment for drive frequency motor control Inspection and adjustment for the waveform output from MR encoder Main PCB SWM MR head unit Necessary adjustments wh...

Page 72: ...CK 1401C LOCK END STANDARD GAUGE FOR J18004 BACK FOCUS COLLIMATER LT 500S LENS ADAPTER FOR FOCUS TESTER AF S 18 70 3 5 4 5G DX INSPECTION AND ADJUSTMENT SOFTWARE AF I COMMUNICATION BOX AF I COMMUNICAT...

Page 73: ...he PCB at the dotted line Solder the cords at 4 pattern places on the PCB as shown in the left It is necessary to make a self made tool by using the main PCB of repair part The self made tool will be...

Page 74: ...JAA79051 R 3624 A F1 AF S DX18 70 3 5 4 5G Sketch drawings INC...

Page 75: ...JAA79051 R 3624 A F2 AF S DX18 70 3 5 4 5G Structure of the Lens INC...

Page 76: ...JAA79051 R 3624 A F3 AF S DX18 70 3 5 4 5G INC...

Page 77: ...70 3 5 4 5G WIRING DIAGRAM Blue Black M A M A Switch FPC Contact FPC FPC Zoom encoder FPC Main PCB SWM FPC SWM SWM unit Magnetic tape MR FPC FPC with MR sensor Solder bridge FPC Absolute focal distan...

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