Nikon AF-S Zoom-Nikkor ED70-200mm f/2.8G IF Repair Manual Download Page 87

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JAA78151－R.3584.A

- L65・AF-S VR 70-200/2.8G -

VR GYRO ADJUSTMENT

①

Move the cursor to a box in front of [VR Gyro Adjustment] and click it to mark the check marking.

②

Move the cursor to the Execute button and click it.

③

The message like a picture on the left is shown.
Set it to the Telephoto settings.

④

Loosen the nut of the laser switch of the VR
lens adjustment equipment (J15380) and rotate
the screw in an arrow direction to give the laser.

Laser beam pointer

Laser switch

Nut

INC

Summary of Contents for AF-S Zoom-Nikkor ED70-200mm f/2.8G IF

Page 1: ...3584 A 作成承認印配布許可印 REPAIR MANUAL NIKON CORPORATION Tokyo Japan Recycled paper Printed in Japan February 2003 Copyright ｃ 2003 by Nikon Corporation All Rights Reserved AF S VR Zoom Nikkor ED 70 200mm f 2 8G IF INC ...

Page 2: ...ups 5 ED lens elements 34 20 12 20 27 40 9 50 with IX 240 system cameras 22 50 8 with Nikon Digital Camera D1 D1H D1X D100 70 80 105 135 200 mm 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 1 5m 5ft to infinity 1 5m at all zoom settings Auto Focus 1 4...

Page 3: ...tment is not necessary when disassembling the other parts The optical axis between the 1st lens group and the VR unit has been adjusted so that the optical axis would not dislocate when the 1st group lens injects at zooming operation When replacing the 1st lens group or removing the VR unit it is necessary to adjust the optical axis by using the auto collimator and the special tool At the service ...

Page 4: ... group DISASSEMBLING ASSEMBLING ADJUSTMENT １ DISASSEMBLING 1st LENS GROUP Ref 74 is fixed with the frosted black paint and B111 is with the Screw Lock If the solvent e g ethanol etc is poured into the clearance between 74 and B111 it is easier to detach them INC ...

Page 5: ...s attached with the both sided adhesive tape Note As there is a risk of deformation of the internal mechanism when detaching the 2nd lens group take it out where the zoom ring is positioned on the TELE side 200mm rather than the WIDE one 80mm J11295 J11296 September 20 2007 Changed page ２ Addition Addition INC ...

Page 6: ...00 2 8G B117 194 2 196 2 TRIPOD RING 155 3 157 3 Tripod ring Detach 155 and 157 by turning the tripod socket ring as shown in the above Note There are 3 parts each for 155 and 157 Detach the tripod socket ring as shown in the left INC ...

Page 7: ...e selector switch B107 is lifted and removed it is seen that the FPCs are connected to the connectors on the main PCB Disconnect the FPC that comes from the selector switch and the other 2 FPCs from the 3 connectors SEPARATION OF THE REAR GROUP Connectors 99 4 138 11 101 113 INC ...

Page 8: ...A78151 R 3584 A L5 AF S VR 70 200 2 8G MAIN PCB 149 3 connector Main PCB Detach the FPCs from the 3 connectors Remove the 3 screws 149 and detach the main PCB VR UNIT 135 3 VR UNIT connector 351 B108 INC ...

Page 9: ...AF S VR 70 200 2 8G 6th LENS GROUP 143 3 6th lens group 191 2 67 2 79 REAR COVER RING APERTURE LEVR UNIT Rear cover ring Aperture lever unit AF Contact By unscrewing the 2 screws 191 the AF contact part can be detached INC ...

Page 10: ...JAA78151 R 3584 A L7 AF S VR 70 200 2 8G 4 th LENS GROUP 142 3 APERTURE BLADE UNIT 76 3 4th lens group INC ...

Page 11: ...JAA78151 R 3584 A L8 AF S VR 70 200 2 8G ZOOM RING 35 Tape 121 2 122 2 176 2 113 Zoom ring INC ...

Page 12: ...JAA78151 R 3584 A L9 AF S VR 70 200 2 8G 86 8 113 MF ring Zoom fixed ring ZOOM FIXED RING MF RING INC ...

Page 13: ...JAA78151 R 3584 A L10 AF S VR 70 200 2 8G ZOOM MIDDLE RING 136 2 127 2 130 2 131 2 170 2 154 4 155 4 Zoom middle ring INC ...

Page 14: ...78151 R 3584 A L11 AF S VR 70 200 2 8G POWER BRUSH UNIT 133 4 Black Blue White SWM UNIT 172 3 173 3 SWM unit Note Remove the solder completely from the wire soldering pattern that is shown in the left INC ...

Page 15: ...JAA78151 R 3584 A L12 AF S VR 70 200 2 8G CAM RING 3rd LENS GROUP 151 3 152 3 INC ...

Page 16: ...JAA78151 R 3584 A L13 AF S VR 70 200 2 8G FOCUS LOCK RING UNIT 137 6 Focus Lock Ring Unit DISTANCE ENCODER BRUSH FOCUS INDEX UNIT 218 2 146 2 B10 96 2 B66 216 INC ...

Page 17: ...14 AF S VR 70 200 2 8G MR HEAD BRUSH UNIT AF L FPC Solder Bridge White AF L FPC White Brush unit Yellow Brush unit Green AF L FPC Remove the solding bridges and the solder for each wire 96 2 112 MR head B89 140 3 B65 INC ...

Page 18: ...JAA78151 R 3584 A L15 AF S VR 70 200 2 8G G4 G5 LENS HOUSING 179 2 180 2 170 3 134 126 125 136 24 FOCUS MIDDLE RING 128 2 129 2 INC ...

Page 19: ...JAA78151 R 3584 A L16 AF S VR 70 200 2 8G 128 3 129 3 B61 INC ...

Page 20: ...3584 A L17 AF S VR 70 200 2 8G RELAY FPC UNIT Align the positions of the holes B59 ２ ASSEMBLING ADJUSTMENT As shown in the above attach the B59 by moving towards the direction of arrow for each position 227 2 INC ...

Page 21: ...JAA78151 R 3584 A L18 AF S VR 70 200 2 8G FOCUS MIDDLE RING 128 3 129 3 B61 I 40 128 2 129 2 Lock End B Lock End B INC ...

Page 22: ...JAA78151 R 3584 A L19 AF S VR 70 200 2 8G G4 G5 LENS HOUSING 179 2 180 2 170 3 134 126 125 24 I 40 140 3 B65 AF L FPC Lock End B Lock End B Lock End B INC ...

Page 23: ... the MR head be sure to conduct adjustment １ Equipment 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 ２ Prepare the measuring lens Solder the lead wire on the soldering bridge that attatches the MR head and connect with each measuring instrument ref the next page INSPECTION AND ...

Page 24: ...JAA78151 R 3584 A L21 AF S VR 70 200 2 8G Oscilloscope 2ch Power supply Oscilloscope 1ch Power supply GND B61 Oscilloscope 2ch Power supply Set values ５０Ｖ１００ｍＡ Connection diagram INC ...

Page 25: ...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 Standard The amplitude of every pulse waveform should be 50mV or more Note Check the waveform by letting the B61 to travel from the infinity end position to the near distance end position and vice versa C H 1 2 0 m V C H 2 2...

Page 26: ...two screws 96 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 B88 and adjust it again In case there is a drop partially in the amplitude of vibration between the infinity and the closest replace the magnetic tape attached to B61 and readjust it because the data on magnetic tape may be damaged C H 1 2 ...

Page 27: ...ly the 2 screws each for 146 and 96 3rd LENS GROUP 218 2 Apply a quick dry adhesive DISTANCE ENCODER BRUSH FOCUS INDEX UNIT Lock End B B77 48 Apply I 40 grease to the 2 parts of the B77 lead key and to the 4 parts of the U groove and the entire periphery of 48 lead key lead key INC ...

Page 28: ...JAA78151 R 3584 A L25 AF S VR 70 200 2 8G 151 3 152 3 Lock End B INC ...

Page 29: ...JAA78151 R 3584 A L26 AF S VR 70 200 2 8G SWM UNIT 172 3 173 3 SWM unit POWER BRUSH UNIT 133 4 Black Blue White Screw Lock Lock End B INC ...

Page 30: ...JAA78151 R 3584 A L27 AF S VR 70 200 2 8G ZOOM MIDDLE RING 139 2 144 8 141 2 B11 37 154 4 155 4 37 Lock End B Lock End B Apply the G92KA on the inside of the zoom middle ring 37 INC ...

Page 31: ...97 Attach the tool J15397 temporarily with the 3 screws 86 Turn the 37 in the direction of arrow in position As shown in the above loosen the 2 screws 141and move to adjust B11 for making contact between the reference line of the tool J15397 and the edge of the brush Then screw the 141 Fix the 2 screws 141 with the Screw Lock 37 Lock End B Lock End B INC ...

Page 32: ... 200 2 8G ADJUSTMENT OF INFINITY POSITION 86 3 137 3 Focus Lock Ring Unit Zoom fixed ring Set the size of G5 G6 lens Attach the focus lock ring unit and the zoom fixed ring with 2 or 3 137 and 86 screws Work the screws temporarily INC ...

Page 33: ...the W side Then put the pointer of digital micrometer on the edge of the 2nd lens group unit to reset the measured value display Re assemble the G5 lens and put the pointer of digital micrometer on the edge of the 2nd lens group unit Rotate the B61 and fix it in the position of 11 205 0 01mm of the measured value The B61 is fixed by attaching the appropriate washer with temporarily screwing the 13...

Page 34: ...is tance encoder brush B10 to make the point of brush be positioned as shown in the left Tighten the 2 screws 146 and fix them with the Screw Lock Detach the focus lock ring unit Loosen the 2 screws 96 and move the B66 to align the hole position of the 25 index side and the mark of B66 Tighten the 2 screws 96 with the Screw Lock Remove the zoom ring the zoom fixing tube and the washer used in Page...

Page 35: ...JAA78151 R 3584 A L32 AF S VR 70 200 2 8G FOCUS LOCK RING UNIT 137 6 Focus lock ring unit Screw Lock MF RING 1016 26 208 40 TA 0002 INC ...

Page 36: ...reen Red Blue Orange Gray Purple Note Attach the zoom encoder brush B83 by aligning the side edge of the positioning hole and the side edge of B83 and moving in the direction of arrow ref It is easier to work by inserting the thin pin or drill etc into the positioning hole and attaching the B83 119 2 Lock End B INC ...

Page 37: ...JAA78151 R 3584 A L34 AF S VR 70 200 2 8G 86 8 113 MF RING Zoom fixed ring ZOOM FIXED RING MF RING G92KA 136 Lock End B INC ...

Page 38: ...JAA78151 R 3584 A L35 AF S VR 70 200 2 8G ZOOM RING 35 121 2 122 2 176 2 113 Zoom ring Oil barrier I 40 Adhesive tape 2 TA 0002 INC ...

Page 39: ...00 2 8G 228 2 228 4 MEASURES TO PREVENT DUST FROM ENTERING Tape the 228 on each 6 hole shown in the left Apply the adhesive C 8008B to the bottom of each screw hole as shown in the left to fill in the gap of the hole bottom 接 C 8008B INC ...

Page 40: ...JAA78151 R 3584 A L36 AF S VR 70 200 2 8G 77 3 B9 9 33 B13 52 43 70 71 75 2 Screw Lock APERTURE BLADE UNIT 76 3 Screw Lock Screw Lock Screw Lock INC ...

Page 41: ...A L37 AF S VR 70 200 2 8G 4th LENS GROUP 142 3 4th lens group Screw Lock REAR COVER RING APERTURE LEVER UNIT 123 5 191 2 79 88 30 120 115 67 2 AF Contact 119 39 145 2 66 69 B8 Lock End B Lock End B Lock End B 229 4 INC ...

Page 42: ... VR unit J11292 Re assemble the mirror tool J11292 to the VR unit Re assemble the VR unit with the re assembled mirror tool to the rear lens unit Note Attach the mirror tool after inserting the pin drill etc into the 2 holes shown in the below to fix the inside of the unit rear lens unit VR unit Hole Lock End B INC ...

Page 43: ...lel glass or parallel mirror etc in place of J18037 J15380 2 J18037 Auto collimeter Mount the rear lens unit to the measuring stand J15380 2 and put the parallel glass to the end of the rear lens unit The G1 lens for telephoto lens e g AF S300mm etc can be used as parallel glass Parallel glass Mirror tool cross line Parallel glass cross line As shown in the left measure a gap between the cross lin...

Page 44: ...LENS GROUP 5th lens group Lock End B 349 In case there is a gap of more than 2 min in the cross lines correct the inclination by inserting the washer 349 as shown in the left After the adjustment remove the mirror tool 135 3 351 B108 Screw Lock INC ...

Page 45: ... 3584 A L41 AF S VR 70 200 2 8G MAIN PCB 149 3 Connector Main PCB Attach the main PCB with the 3 screws 149 Connect each FPC to the 3 connectors Screw Lock REAR GROUP 99 4 138 11 101 113 Connector Screw Lock INC ...

Page 46: ...l aperture In case it is not within the standard adjust the position of the B8 by loosing the 2 screws 145 B8 SELECTOR SWITCH UNIT 82 2 B107 Connect each FPC to the connectors and attach the group unit of selector switch B107 Connect the linkup FPC Connect the zoom encoder FPC Connect the selector switch FPC Note 1 The FPC contact face of the change over SW is connected in the different direction ...

Page 47: ...JAA78151 R 3584 A L43 AF S VR 70 200 2 8G 2nd LENS GROUP 202 2nd lens group G4 G5 LENS 47 Ｇ４Ｇ５ J11295 J11296 September 20 2007 Changed page ２ Addition Addition INC ...

Page 48: ...JAA78151 R 3584 A L44 AF S VR 70 200 2 8G 1st LENS GROUP B111 190 74 1st lens group Screw Lock frosted black paint INC ...

Page 49: ...ount mm of the 1st lens group unit washer 190 ５ Adjust the thickness of the washer 190 by the value of C calculated in the above If C is positive thicken the washer If it is negative thin the washer Refer to P L44 Note When setting the washer 190 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 ...

Page 50: ...t 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 1 ...

Page 51: ...eady built in Personal computer This system does not depend on the CPU type of personal computer AF I communication box J15306 or J15306 1 AF I communication adapter J15307 AF S lens To RS232C terminal Oscilloscope Power supply DC DC converter for F100 Short circuit No 2 pattern at the rear Power supply for the circuit in the AF I communication box 5 5V ＶＣＣＧＮＤ When the RS232C terminal of the pers...

Page 52: ... the MF ring from the infinity direction to the near distance direction 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 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 ２５Ｖ Accord...

Page 53: ... New inspection program The lens automatically starts the driving of scanning TYPE OF LENS AF S VR NIKKOR 70 200mm 2 8G CPU VERSION 5 02 04 ADJUSTMENT FOR DRIVING FREQUENCY MOTOR CONTOROL ADJUSTMENT IS COMPLETED DOES THE MOTOR STOP DRIVING Yes １ No ２ SELECT THE NUMBER PUSH ESC KEY TO RETURN TO MENU In case the motor driving remains stopped when the above screen appears select 1 to end the adjustme...

Page 54: ... A HORIZONTAL POSITION LOW SPEED ADJUSTMENT SET OSCILLOSCOPE TO E TERMINAL OF AF I COMMUNICATION BOX OSCILLOSCOPE SETTING TIME DIV 200us div Trigger Mode NORMAL Trigger Position 4div CURSOR T1 0 96div T2 1 48div STANDARD 992us 1097us ADJUST SO THAT THE TIME OF ONE CYCLE OF WAVEFORM FALLS APPROXIMATELY WITHIN STANDARD 1 FINE ADJUSTMENT 3 FINE ADJUSTMENT 4 ROUGH ADJUSTMENT 6 ROUGH ADJUSTMENT PUSH EN...

Page 55: ...SOR T1 T2 varies according to the conditions of low speed adjust ment high speed adjustment and other lenses etc so check by Fig 2 of the PC screen when adjustment is made One cycle of waveform T1 T2Cursor switch over div display Fig 3 L49 2 AF S VR 70 200 2 8G 200us div 200us div NORM 2MS s CH1 2V DC 10 1 992 μ s 1097 μ s TIME DIV T1 0 96div T2 1 48div Cursor OFF ON Type dT Cursor T1 T1 T2 T2 T2 ...

Page 56: ...ed 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 standard...

Page 57: ...djustment 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 Explanation ...

Page 58: ... 5 postures as mentioned below TYPE OF LENS AF S VR NIKKOR 70 200mm 2 8G CPU VERSION 5 02 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 90 ...

Page 59: ...LENS AF S VR NIKKOR 70 200mm 2 8G CPU VERSION 5 02 04 OPERATION OF MR ENCODER POSITION WHEN CHECK BEGINS PULSE S 7993 POSITION WHEN CHECK IS ENDED PULSE S 7992 PULSE NUMBER DIFFERENCE BEFORE AFTER CHECK PULSE S 1 STANDARD FOR DIFFERENCE IN THE NUMBER FROM 10 TO 10 PULSE S IN STANDARD THE TOTAL NUMBER OF PULSE S AT INSPECTION PULSE S 6107 STANDARD FOR THE NUMBER FROM 6010 TO 6260 PULSE S IN STANDAR...

Page 60: ...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 1 24 1 19 0 20 25 0 20 0 20 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 DISTA...

Page 61: ...306 Select 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 ...

Page 62: ... FOCUS LOCK SW OFF 4 7 5 8 FOCUSING RANGE LIMITER SW FULL 6 9 7 10 HELICOID POSITION INFINITY 8 11 9 12 VR ON OFF SW OFF 10 13 11 14 VR MODE SW NORMAL 12 15 13 16 14 17 15 18 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 s...

Page 63: ...the above requirements are met either desktop or notebook PC is available Preparation for Inspection Adjustment of Main PCB In case of replacing the main PCB SWM unit or MR encoder unit be sure to make the necessary adjustments as follows 1 Adjustment item Adjustment for electrical device MR duty adjustment drive frequency motor control adjustment 2 Equipment and tools to be required Single output...

Page 64: ...scope AF I communication box J15306 1 AF S lens Caution Keep the lens in horizontal position during adjustment If the RS232C terminal of PC is a 9 pin type connect it by using the 25 pin 9 pin conversion connector This connector is NOT supplied as RJ so use commercial products on the market PC As long as PC is IBM PC AT compatible any CPU type is available AF I communication adapter J15307 To RS23...

Page 65: ... 6 is used for confirming firmware Item from 7 through 9 are used for reading writing EEPROM DATA Selecting items Depending on selected items screens appear such as the lens selection the focal length selection the voltage setting the inspection mode entering etc Follow the instructions on PC AF S Zoom lens New inspection program 1 Menu screen 1 2 3 4 5 6 7 8 9 INC ...

Page 66: ...tage of the connected constant voltage power supply are set to set values and turn the constant voltage power supply ON Click Adjustment for Electrical Device on the menu of AFSMNEW J18342 inspection program Fig 1 The screen for Writing of EEP ROM Fixed Values appears Click the appropriate item Fig 2 Following the instructions on the screen rotate the MF ring in the direction from Infinity end tow...

Page 67: ...ext Fig 3 Following the instruction on the screen rotate the MF ring in the direction from Close end to Infinity end slowly by hand Confirm that the waveform on the oscilloscope has duty 50 and stop the MF ring at Infinity end Fig 2 Fig 2 Fig 1 E terminal H terminal Oscilloscope setting V Div CH1 5V V Div CH2 5V Coupling DC Time Div 5m Sec Trigger Mode NORMAL Trigger Coupling DC Trigger Source CH ...

Page 68: ...duty 50 perform Inspection and adjustment of the MR encoder output waveform on Page L20 L23 for readjustment When the main PCB or SWM unit or MR encoder is replaced be sure to make adjustments Complete the same procedure of the adjustment for electrical device and click Next Fig 1 The lens starts scan driving automatically Fig 2 Fig 1 Automatic adjustment Drive frequency motor control adjustments ...

Page 69: ...JAA78151 R 3584 A L56 AF S VR 70 200 2 8G IF May 17 2007 Added page When Fig 1 screen appears if the motor driving stands still click Close to end the adjustment Fig 1 INC ...

Page 70: ...s 2 Click each adjustment of A section in Fig 3 and adjust so that the values become within standards 3 When the low speed adjustment is completed click Next of Fig 3 Set values of oscilloscope DL1540 Fig 3 Fig 2 Ａ section If the automatic adjustment failed Adjustment could not be completed Fig 1 will appear So click Yes and make the manual adjustment Fig 1 Manual adjustment INC ...

Page 71: ...t of Fig 4 by the same procedure as in the low speed adjustment Be careful however that the setting values are different When the adjustment is completed click Write adj value of Fig 5 Set values of oscilloscope DL1540 Fig 5 Fig 4 If even the manual adjustment cannot be made the SWM unit or MR head may be defective INC ...

Page 72: ...ch the MF ring in operation When the operation check is completed the result is displayed as shown in Fig 2 If there is no problem with the result click Close If there is some problem make the readjustment by referring to Page L56 16 The difference in pulse no when inspecting must be within standards Standard of Difference in pulse no 0 10 PULSE S Standard of Total no of pulses 6315 125 PULSE S Fi...

Page 73: ...e lens positions 3 Inspection screen of lens driving stop accuracy Lens position when inspecting Tilt of Lens Position of index window Horizontal Up Right Left Front lens group 90 angle upward Front lens group 90 angle downward Note The delay time is the setting value set by the adjustment software So if the lens does not stop during Inspection of Lens Driving Stop Accuracy in the end any value ca...

Page 74: ...e lens back and forth driving motion five times 5 5TIME S in of Fig 2 Standard Df1 Df6 40 or less of Fig 2 7 18 pulse occurrence ratio Df1 Df6 10 or less of Fig 2 12 18 pulse occurrence ratio 19 or more pulse occurrence 0 for DF1 Df6 of Fig 2 Even only one occurrence is judged as defective Df1 Df6 shows the lens driving amount Fig 1 When the operation check is completed the result is displayed as ...

Page 75: ...f the inspection result is within standard click Close to end If any of each driving amount becomes out of standard make the readjustment by referring to Page L56 16 Fig 1 Lens position when inspecting Tilt of Lens Position of index window Horizontal Up Right Left Front lens group 90 angle upward Front lens group 90 angle downward E terminal H terminal E terminal H terminal There are two types in ...

Page 76: ... screen of switches and lens conditions If there is no problem with each item click Close to end If there is some problem make the readjustment by referring to Page L56 16 Focus encoder signal Zoom encoder signal Status of focus mode Status of VR vibration reduction ON OFF switch INC ...

Page 77: ... LEVEL 2 5V Oscilloscope Example of settings for DL1540 Fig 2 on Page L56 8 shows setting values for low speed adjustment while Fig 4 on Page L56 9 shows those for high speed adjustment Setting T1 min value and T2 max value of one cycle of waveform beforehand as shown by the below dotted lines facilitates the adjustment Because TIME DIV T1 T2 and other setting values are different between the low ...

Page 78: ...anical operations of the focus ring driving section the driving time tends to be longer when the cam ring rotation of the MR encoder is heavy while the driving time tends to be shorter when the cam ring rotation is light 4 Switches and lenses Check the ON OFF operations of switches and the operating condition of the focus encoder and zoom encoder After inspections 1 When the MR encoder operations ...

Page 79: ...JAA78151 R 3584 A L57 AF S VR 70 200 2 8G 155 3 157 3 Tripod ring B117 194 2 196 2 TRIPOD RING Lock End B Lock End B Lock End B INC ...

Page 80: ...er Mount the lens on the equipment Set the focus ring to the infinity position and the zoom ring to TELE side Please refer to the next page for the procedure to mount the lens Notes The distance from the laser beam outgoing port to the radiation face should be about 5m apart Do not intercept the optical path of the laser beam WARNING This equipment uses the laser beam Do not look into the laser be...

Page 81: ...e to mount the lens １ Attach the lens to the equipment and move the lens retainer stand in the direction of the arrow ２ Move the lens retainer stand to the position shown in Figure below and fix it by tightening the clamp Clamp Lens retainer stand INC ...

Page 82: ...the below mesage appears set the zoom ring again by referring to the pre page Procedure to mount the lens and click the OK button The focus ring is automatically set Notes Do not change the lens settings zoom ring until the adjustment is finished and it goes back to the Lens Selection window If the setting position changes in the middle of the adjustment the correct adjustment value cannot be obta...

Page 83: ...8G VIBRATION REDUCTION MODE SW INSPECTION Move the cursor to a box in front of the VR Mode Switch Inspection and click to mark the check marking Move the cursor to the Execute button and click it VR Mode Switch Inspection window is shown INC ...

Page 84: ...tion of VR mode switch is indicated By turning the VR mode switch the current position is shown in the real time When finishing the VR mode switch move the cursor to the Exit button and click it to evacuate from the inspection window VR mode switch INC ...

Page 85: ...ect the polarity of the VCM Voice Coil Motor and write it in EEPROM as the compensation value In between times the message to confirm the lens position of angle 0 or 90degrees appears So set the lens to the position and click the OK button When OK is shown on the window move the cursor to the Next button and click it The message like a picture on the left is shown Set the VR mode switch of the len...

Page 86: ...message to confirm the lens position of angle 0 or 90degrees appears So set the lens to the position and click the OK button When OK is shown on the window move the cursor to the Next button and click it When the message that says rewriting the checksum is finished is shown click the OK button Then set the VR mode to OFF according to the message and click the OK button to evacuate from the adjustm...

Page 87: ... mark the check marking Move the cursor to the Execute button and click it The message like a picture on the left is shown Set it to the Telephoto settings Loosen the nut of the laser switch of the VR lens adjustment equipment J15380 and rotate the screw in an arrow direction to give the laser Laser beam pointer Laser switch Nut INC ...

Page 88: ...N START STOP SERVO FREQUENCY POWER FREQ SELECTOR FREQ ADJUST ON OFF ALARM FREQ1 FREQ2 ON Laser beam α Move the cursor to the Next button in the message box on the screen and click it Vibration reduction function starts to perform and the vibration width of the laser beam becomes be narrow Notes The phenomenon that the laser spot light shakes up and down right and left occurs during measuring the v...

Page 89: ... beam source becomes be whether if it rotates round even performing the Gyro Gain Adjustment If it is possible to confirm the angle difference adjust it by the buttons for the angle difference adjustment Notes After operating the adjustment button wait for a few seconds until a vibration motion is stabilized Buttons for Gyro Gain Adjustment Peak section of the minimum value of the vibration width ...

Page 90: ...ibration width at the center of the laser spot beam measure the whole vibration width first Subtract the radius of the laser spot oblique lined part from the top and bottom of the measured vibration width Example When the whole vibration width is About 42 5mm the center vibration width becomes be 50 5 5 40mm Standard after the gyro gain adjustment 40 x 1 5 8mm Center vibration width Whole vibratio...

Page 91: ...at the Adjustment Items window to go back to the Lens Selection window Notes Do not remove the lens or turn OFF the VR lens adjustment equipment until it goes back to the Lens Selection window The trouble that the adjustment value is not stored correctly etc occurs since the communication is cut off Buttons for adjustment at 90 position Rotate the lens 90 in an arrow direction and then adjust the ...

Page 92: ...hile the half release timer is ON It does not control entirely It controls only at first It controls whenever the half release is ON Judge from the noise of control Cause Defect of checksum Broken wire of the VCM Both sides Defect of the mode switch Others Countermeasure Perform the checksum with the equipment and then go to the Check 1 Confirm the breakage of the VCM and go to the Check 1 Perform...

Page 93: ...nst those of when the VR mode is OFF and ON at the VR Gyro Adjustment Cause Adjustment value is not correct Others Countermeasure Perform the lens position adjustment and the VR gyro adjustment The electric parts other than VR might be defective The parts other than VR might be defective What is the reduction rate of the vibration width More than 1 5 Less than 1 5 INC ...

Page 94: ... ENCODER BRUSH POSITIONING TOOL 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 ADPAPTER PERSONAL COMPUTER POWER SUPPLY OSCILLOSCOP VR LENS ADJUSTMENT EQUIPMENT VR LENS ADJUSTMENT EQUIPMENT VR LENS INSPECTION AND ADJUSTMENT SOFTWARE STAND FOR INCLINATION ADJUSTMENT Tools Note AC100V AC200V I...

Page 95: ...JAA78151 R 3584 A T AF S VR 70 200 2 8G ＲＪＮｏ J11295 J11296 名称 2nd LENS G ASSEMBLNG TOOL G4 RETAINER RING ASSEMBLNG TOOL 備考 New tool September 20 2007 Additional page INC ...

Page 96: ...JAA78151 R 3584 A F1 AF S VR 70 200 2 8G 外観図 Sketch drawings INC ...

Page 97: ...JAA78151 R 3584 A F2 AF S VR 70 200 2 8G 組立図 Structure of the Lens INC ...

Page 98: ...JAA78151 R 3584 A F3 AF S VR 70 200 2 8G INC ...

Page 99: ...JAA78151 R 3584 A F4 AF S VR 70 200 2 8G INC ...

Page 100: ...Blue Range limitter VR ON OFF AF mode VR mode Black White Blue ジャイロ基板 Gyro PCB 接点 FPC Contact FPC ズームエンコーダー FPC Zoom encoder FPC 絶対距離基板 Absolute focal distance PCB はんだブリッジ Solder bridge はんだブリッジ Solder bridge M A 基板 M A Base plate はんだブリッジ Solder bridge AF L FPC メイン基板 Main PCB SWM 部組 SWM unit VR 部組 VR unit 実体配線図 WIRING DIAGRAM JAA78151 R 3584 A Ｅ１ AF S VR 70 200 2 8G INC ...

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Summary of Contents for AF-S Zoom-Nikkor ED70-200mm f/2.8G IF

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Nikon AF-S Zoom-Nikkor ED70-200mm f/2.8G IF, Repair Manual, Page: 87 / 100

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Summary of Contents for AF-S Zoom-Nikkor ED70-200mm f/2.8G IF

Reviews: