Nikon AF-S Zoom-Nikkor ED 24-85mm f/3.5-4.5G IF, Repair Manual

Page 1: ...3583 A 作成承認印 配布許可印 REPAIR MANUAL NIKON CORPORATION Tokyo Japan Recycled paper Printed in Japan May 2002 Copyright ｃ 2002 by Nikon Corporation All Rights Reserved TEMPORARY AF S Zoom Nikkor ED 24 85mm f 3 5 4 5G IF ...

Page 2: ... elements 84 28 30 71 18 22 54 with IX 240 system cameras 60 54 18 48 with Nikon Digital Camera D1 D1H D1X D100 24 35 50 70 85mm Output to camera body Manually via separate zoom ring Nikon Internal Focusing IF system utilizing an internal Silent Wave Motor manually via separate focus ring Graduated in meters and feet from 0 38m 2ft to infinity 0 38m 1 2ft at all zoom settings Fully automatic f 3 5...

Page 3: ...JAA78071 R 3583 A L1 AF S 24 85 3 5 4 5G RUBBER RING 35 SHEET 48 DISASSEMBLING ASSEMBLING ADJUSTMENT １ DISASSEMBLING 1st AND 2nd LENS GROUP 35 48 77 79 1st lens group unit 2nd lens group unit ...

Page 4: ...JAA78071 R 3583 A L2 AF S 24 85 3 5 4 5G FILTER RING 25 96 3 25 ZOOM RING 61 Remove the three screws 96 and then remove the filter ring 25 as rotating in the arrow mark direction Remove the screw 61 ...

Page 5: ...Note 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 remove it Convex section 22 Groove 105 2 107 3 Rear cover ring Convex section Convex section ...

Page 6: ...3583 A L4 AF S 24 85 3 5 4 5G BAYONET MOUNT 98 3 116 78 INDEX RING FOCUS RING M A selector switch Slide the M A selector switch unit in the arrow mark direction to be in the condition as shown in the left picture ...

Page 7: ...he 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 ＳＷＭ ＦＰＣ 115 Main PCB Remove each FPC as shown in the left from the connectors Remove the screw 115 Remove the main PCB ...

Page 8: ...JAA78071 R 3583 A L6 AF S 24 85 3 5 4 5G SWM UNIT 96 3 B31 96 3 SWM unit ...

Page 9: ...t Note Hereafter the 5th and 4th lens groups have to be removed When the 5th and 4th lens groups have been removed alignment must be done after assembly If alignment is impossible in your service office do not carry out further disassembly works But it is possible to replace the zoom encoder brush and zoom key ...

Page 10: ...JAA78071 R 3583 A L8 AF S 24 85 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 ...

Page 11: ...JAA78071 R 3583 A L9 AF S 24 85 3 5 4 5G APERTURE BLADE HOUSING UNIT 80 3 83 3 Aperture blade housing unit ZOOM ENCODER BRUSH 74 75 ...

Page 12: ...JAA78071 R 3583 A L10 AF S 24 85 3 5 4 5G ZOOM KEY 59 59 62 60 B7 3 1st LENS GROUP SLIDING RING 51 81 3 51 ...

Page 13: ...JAA78071 R 3583 A L11 AF S 24 85 3 5 4 5G CAM RING 50 50 ...

Page 14: ...ture is regarded as reference adhere the zoom encoder FPC B18 to 24 CAM RING GROUP MZ 800S Lubrication places 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 horizontal groove of 50 24 24 50 Horizontal groove 3 convex places on outer diameter I 40 3 sliding places on outer diameter I 40 MZ 800S ...

Page 15: ...ness 0 4mm B7 3 81 3 51 B7 Reference Tighten the screws 81 and B7 is inclined and so the cam ring does not operate smoothly As shown below set a back washer etc between B7 and the straight groove and then tighten the screws 81 to prevent B7 from being inclined Screw Lock I 40 Lock END B B7 I 40 ...

Page 16: ...POSITION 74 75 Screw Lock 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 brush end may be as shown in the right figure Tighten the screw 75 securely and fix it with the screw lock Lock End B ...

Page 17: ...24 85 3 5 4 5G APERTURE BLADE HOUSING 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 in the left picture ...

Page 18: ...JAA78071 R 3583 A L16 AF S 24 85 3 5 4 5G 2nd LENS GROUP HOUSING UNIT 84 3 86 3 85 3 2nd lens group housing unit 52 56 9 convex places on outer diameter G92KA Apply G92KA to the 3 cam grooves of 52 ...

Page 19: ...ent and tools to be 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 自 In case of any trouble in continuity between the self made tool and the contacts of relay FPC there may be dust corrosion or oxidation on the contact surface of relay FPC Be sure to polish the contact surface prior to get...

Page 20: ...A L18 AF S 24 85 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 assembly Oscilloscope 2ch Oscilloscope 1ch Power supply Power supply ...

Page 21: ...e the filter function How to set the filer function in the employment case of Yokogawa manufactured DL1540 １ Press the filter button ２ Select Smooth in the menu on the PC screen Setting of oscilloscope V Div CH1 ２０ｍＶ V Div CH2 ２０ｍＶ Coupling ＡＣ Time Div ５m Sec Trigger Mode NORMAL Trigger Coupling ＡＣ Trigger Source ＣＨ１ Trigger Position ４div Trigger Type EDGE Trigger Level ０Ｖ Standard The amplitude o...

Page 22: ...r distance the magnetic data in magnetic tape may be damaged Then replace the magnetic tape and adjust it again Reference In case the amplitude of either CH1 or CH2 seems smaller one of the two screws 541 may be loosened Then check the screws In case the screws are fully tightened the MR head may be troubled Then be sure to replace the MR head unit B15 and adjust it again Turn off the rated voltag...

Page 23: ...7 to the zoom ring fixing ring 22 and apply the oil barrier to the whole 67 Installation of the SWM unit INSTALLATION OF THE SWM UNIT 96 3 Note When mounting 22 it must not touch the MR head If the external pressure is added to the MR head its position is deviated to change the accuracy ...

Page 24: ...JAA78071 R 3583 A L22 AF S 24 85 3 5 4 5G 96 3 3rd LENS GROUP 3rd lens group ...

Page 25: ...JAA78071 R 3583 A L23 AF S 24 85 3 5 4 5G 4th LENS GROUP 96 3 4th lens group 5th LENS GROUP 96 3 5th lens group Aperture lever Longest ...

Page 26: ...MAIN PCB Zoom encoder FPC Distance encoder FPC MR sensor FPC ＳＷＭ ＦＰＣ 115 Main PCB Set the main PCB and tighten 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 ...

Page 27: ...JAA78071 R 3583 A L25 AF S 24 85 3 5 4 5G M A selector switch Index ring Slide the M A selector switch in the arrow mark direction and set it into the index ring BAYONET MOUNT 98 3 116 78 ...

Page 28: ...Set the tool J18004 1 and check the aperture diameter Standard Full aperture If the aperture diameter is out of the standard adjust the position of the aperture lever 23 by loosening the two screws 95 95 2 23 ZOOM RING 68 49 37 Adhere 68 to 49 and apply the oil barrier to the whole 68 ...

Page 29: ...ing position 61 whole circumference of groove Apply I 40 to the 6 convex places on the outer circumference of 38 Lock End B As shown in the left picture rotate the zoom ring 37 fit the hole position of 37 to the zoom key position and then tighten the screw 61 ...

Page 30: ...er ring 25 and apply the oil barrier to the whole 65 Apply MZ 800S to the 3 convex places on the outer circumference of the filter ring 25 1st AND 2nd LENS GROUP 77 79 1st lens group 2nd lens group Note The 1st lens group washer 77 is not used for adjustment Its dimension is fixed at 0 6mm ...

Page 31: ...n the above If C is positive thicken the washer If it is negative thin the washer Refer to P L28 Note When setting the washer 79 put a thin washer between thick washers ADJUSTMENT OF BACK FOCUS １ Fit the infinity mark of the focus ring to the index ２ Fix the aperture lever to make the aperture full ３ Read the value of Wide or Tele side ４ Remove the bayonet mount ５ Adjust the thickness of the washe...

Page 32: ...ust Adjustment of MR duty Adjustment of driving frequency and motor control ２ Equipment and tools to be required Single output rated voltage power supply 1 unit For contact A to mount Output of the DC DC converter 5 5V 100mA For contact F to contact G 6 0V 3 0A Oscilloscope 1 unit for adjusting the MR duty adjusting the driving frequency and motor control AF I communication box J15306 or J15306 1 ...

Page 33: ... RS232C terminal of the personal computer is a 9 pin type connect it by using the 25 pin 9 pin conversion connector RJ does not supply this connector Use one in the market AF S zoom lens inspection and adjustment software J18342 System configuration diagram By using the DC DC converter 1 unit of rated voltage power supply can be energize this system fully The following figure shows the system usin...

Page 34: ...irection slowly by hand Make sure that the waveform on the oscilloscope has duty 50 and then stop the MF ring at the near distance end C H 1 5 V C H 2 5 V 5 m s d i v DC 10 1 DC 10 1 NORM 200KS s Setting of oscilloscope V Div CH1 ５Ｖ V Div CH2 ５Ｖ Coupling ＤＣ Time Div ５m Sec Trigger Mode NORMAL Trigger Coupling ＤＣ Trigger Source ＣＨ１ Trigger Position ４div Trigger Type EDGE Trigger Level ２ ５Ｖ Accordin...

Page 35: ...S zoom lens New inspection program The lens starts driving for scanning automatically When the above display appears and the motor stops driving select 1 to end the adjustment If the motor does not stop driving select 2 to make the adjustment again If the adjustment is done again but the motor does not stop driving adjust the MR duty again and then perform ADJUSTMENT OF DRIVING FREQUENCY AND MOTOR...

Page 36: ...ated When mechanical irregular operation does not occur in the focus ring drive unit the servo time is long if the cam ring rotary weight of the MR encoder is heavy and is short if it is light ４ Check of switches and lenses Check the ON OFF operation of switches and the operation of the distance encoder and zoom encoder How to treat after inspection １ When the MR encoder operation is out of standa...

Page 37: ... adjustment The item 3 is used for reading and writing EEPROM DATA The items 4 7 are used for inspection Selection of item After selecting any item one of the lens selection display the focal length selection display the voltage setting display the inspection start display etc appears The displays are different for the items Obey the instructions of a personal computer Operating voltage Explanatio...

Page 38: ...he 5 postures as mentioned below TYPE OF LENS AF S NIKKOR 24 85mm 3 5 4 5G CPU VERSION 4 00 04 OPERATION OF MR ENCODER INSPECTING PUSH ANY KEY TO FORWARD NEXT STEP When the inspection is ended the above display appears Press any key and the inspection result in the next page appears Lens inclination Position of index window Horizontal Up right and left Front lens group 90 upward Front lens group 9...

Page 39: ...F LENS AF S NIKKOR 24 85mm 3 5 4 5G CPU VERSION 4 00 04 OPERATION OF MR ENCODER POSITION WHEN CHECK BEGINS PULSE S 7987 POSITION WHEN CHECK IS ENDED PULSE S 7996 PULSE NUMBER DIFFERENCE BEFORE AFTER CHECK PULSE S 9 STANDARD FOR DIFFERENCE IN THE NUMBER FROM 10 TO 10 PULSE S IN STANDARD THE TOTAL NUMBER OF PULSE S AT INSPECTION PULSE S 2370 STANDARD FOR THE NUMBER FROM 2366 TO 2554 PULSE S IN STAND...

Page 40: ... 0 0 0 0 0 0 0 0 0 0 19 0 0 0 0 0 0 0 0 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 1 Df1 0 00 Df2 0 00 Df3 0 00 Df4 0 00 Df5 0 00 Df6 0 00 RATIO 2 Df1 0 00 Df2 0 00 Df3 0 00 Df4 0 00 Df5 0 00 Df6 0 00 PUSH ESC KEY TO RETURN TO FOCAL DISTANCE ...

Page 41: ...lect the servo driving amount one by one Each of the lens servo drive time must be within the standard Note If the MF ring is rotated during inspection an error value is shown for the waveform Don t touch the MF ring during inspection Execute the inspection for the 5 postures as mentioned below Lens inclination Position of index window Horizontal Up right and left Front lens group 90 upward Front ...

Page 42: ... 7 FOCUS LOCK SW NONE 5 8 6 9 FOCUSING RANGE LIMITER SW NONE 7 10 8 11 HELICOID POSITION INFINITY 9 12 10 13 11 14 12 15 13 16 14 17 15 18 16 19 PUSH ANY KEY TO RETURN TO MENU Shows the type of lens Shows the version of CPU in the lens Shows the signals of the distance encoder and zoom encoder This value is changed if the MF ring is rotated while the lens drive mode selector is at M or M A Shows t...

Page 43: ...JAA78071 R 3583 A L41 AF S 24 85 3 5 4 5G REAR COVER RING 105 2 107 3 Rear cover ring RUBBER RING 35 SHEET 48 35 48 Screw Lock ...

Page 44: ...ame DRY SURF MZ 800S FLOIL G92KA GREASE I 40 ADHESIVE SCREW LOCK 1401C LOCK END STANDARD GAUGE FOR J18004 BACK FOCUS COLLIMATER LT 500S LENS ADAPTER FOR FOCUS TESTER AF S ZOOM LENS NEW INSPECTION AND ADJUSTMENT SOFTWARE AF I COMMUNICATION BOX AF I COMMUNICATION ADAPTER PERSONAL COMPUTER POWER SUPPLY OSCILLOSCOP SELF MADE TOOL Tools Note New tool ...

Page 45: ... left from both sides of PCB Don t remove the connector Cut the 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 used for INSPECTION AND ADJUSTMENT FOR THE WAVEFORM OUTPUT FROM MR ENCODER The making procedure is shown below Make a self made tool accord...

Page 46: ...JAA78071 R 3583 A F1 AF S 24 85 3 5 4 5G 外観図 Sketch drawings ...

Page 47: ...JAA78071 R 3583 A F2 AF S 24 85 3 5 4 5G 組立図 Structure of the Lens ...

Page 48: ...JAA78071 R 3583 A F3 AF S 24 85 3 5 4 5G ...

Page 49: ...Rセンサー付き FPC FPC with MR sensor 接点 FPC Contact FPC ズームエンコーダー FPC Zoom encoder FPC 絶対距離 FPC Absolute focal distance FPC はんだブリッジ Solder bridge M A 基板 M A Base plate メイン基板 Main PCB SWM 部組 SWM unit 実体配線図 WIRING DIAGRAM JAA78071 R 3583 A Ｅ１ AF S 24 85 3 5 4 5G ...