Nikon AF-S Nikkor 400mm f/2.8G VR ED Repair Manual
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Nikon AF-S Nikkor 400mm f/2.8G VR ED Repair Manual

Nikon AF-S Nikkor 400mm f/2.8G VR ED Repair Manual

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AF-S Nikkor 400mm
Printed in Japan November 2007
f/2.8G VR ED
JAA52851
REPAIR MANUAL
JAA52851-R.3724.A
作成承認印
Copyright ｃ 2007 by Nikon Corporation.
All Rights Reserved.
無断転載を禁ず !!
INC
配布許可印
サービス
計画課
Ｍ

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  • Page 1 JAA52851-R.3724.A 作成承認印 配布許可印 サービス 計画課 Ｍ AF-S Nikkor 400mm f/2.8G VR ED JAA52851 REPAIR MANUAL Copyright ｃ 2007 by Nikon Corporation. All Rights Reserved. 無断転載を禁ず !! Printed in Japan November 2007...
  • Page 2 JAA52851-R.3724.A ※ Before Disassembly / Reassembly / Adjustment This lens also has the VR (vibration-reduction) unit mounted in order to correct camera shake. To keep the accuracy of this function for stabilizing the image, in case the gyro FPC, main PCB, or the VR unit-assy is replaced, be sure to make the VR adjustment by using the VR lens adjustment equipment (J15380).
  • Page 3 JAA52851-R.3724.A 1. Disassembly Name plate #297×4 Name plate Polyester tape Pull down the rubber ring (#46), then peel off the polyester tape that covers around the lens � housing (#40) and the front fixed tube (#35). Polyester tape - Ｄ 2・AF-S VR400/2.8G -...
  • Page 4 JAA52851-R.3724.A 2nd lens group, 1.5th lens-G unit, 1st lens-G unit Remove the 1st lens-G head rubber and 1st lens-G unit. � Remove the 1.5th lens-G unit with the wrench (J11350). � Fasten the focus drive section with the focus fixing pin. Then, detach the retaining ring (#49) with a �...
  • Page 5 JAA52851-R.3724.A 1st lens-G unit #190×3 - Ｄ 4・AF-S VR400/2.8G -...
  • Page 6 JAA52851-R.3724.A MF ring small rubber Remove the MF ring small rubber (#37), and peel off the tape (#344) that covers the four holes of the � MF ring unit. Hole× ４ #344 Insertion filter Insertion filter - Ｄ ・AF-S VR400/2.8G -...
  • Page 7 JAA52851-R.3724.A Exterior fixed tube unit #360 #135 #140×4 #118 #267 #208 #318 #112×3 Exterior fixed tube unit - Ｄ ・AF-S VR400/2.8G -...
  • Page 8 JAA52851-R.3724.A Tripod base B187 #204×4 #132×3 #187×9 - Ｄ 7・AF-S VR400/2.8G -...
  • Page 9 JAA52851-R.3724.A VR ON/OFF change ring ・ Take out the two screws (#189) from the VR ON/OFF change ring. #189×2 ・ Disassemble VR ON/OFF change ring. VR ON/OFF change ring #173 #180 #174 #166 #172 ・ Remove the VR lock coupling key (#188) from the hole of the VR unit-assy. #188 - Ｄ...
  • Page 10 JAA52851-R.3724.A Rear fixed tube unit Take out the ten screws (#105) from the fixed tube unit. � Lift the rear fixed tube unit slowly, and disconnect the FPC (B1011) from the connector. � #105×10 Rear fixed tube unit B1011 Body Connector - Ｄ...
  • Page 11 JAA52851-R.3724.A Disassembly of Rear fixed tube unit #212×3 #B61 #B23 B1017 #124 Fixed tube (#29) #B357 #181 #103 #114×2 #114×2 #132 #159 Soldering #158×2 #158×2 #129 #178 #261×2 #261×2 #161 #127×5 TA-0020 17×120 Soldering bridge×2 #B23 - Ｄ 0・AF-S VR400/2.8G -...
  • Page 12 JAA52851-R.3724.A VR unit-assy Peel off the four pieces of the kapton tape (#343). � Disconnect the FPC from the connector of the main PCB unit. � #343 #343×2 #343 Take out the eight screws (#110) and four screws (#106). Being careful of each FPC, remove the VR �...
  • Page 13 JAA52851-R.3724.A Aperture blade Take out the three screws (#180) and remove the aperture blade section. � Adhesive: Screw lock #66×3 #180×3 B8×9 #221×3 #122 #180×3 #120×2 Tension spring (#96) - Ｄ 2・AF-S VR400/2.8G -...
  • Page 14 JAA52851-R.3724.A 3rd lens-G unit Mount the VR fix tool (for 3G AF-S VR300/2.8G)(J11313) on the VR unit-assy. � Remove the 3rd lens-G unit (B7) with the wrench (for 3G AF-S VR200/2G)(J11314). � Remove above tool (J11313) from the VR unit-assy. �...
  • Page 15 JAA52851-R.3724.A Main PCB unit Disconnect the FPC from the connector of the VR unit-assy. � Connector Connector VR unit-assy Take out the three screws (#111) and the washer (#199). Remove the main PCB unit (B1001) and shield � (#280) from the VR unit-assy. VR unit B1001 #280...
  • Page 16 JAA52851-R.3724.A Power brush unit 1, 2 ・ Unsolder each wire. #369 Yellow Black Black Yellow #369 Remove the power brush unit 1 (B2102) and 2 (B3102). � #97×2 #97×2 B2102 B3102 - Ｄ ・AF-S VR400/2.8G -...
  • Page 17 JAA52851-R.3724.A SWM power FPC unit Remove the SWM power FPC unit (B26) by passing its FPC through the hole of the SWM fixed tube � unit (B117). Hole of B117 Hole of B117 Hole of B117 SWM fixed tube unit #241×12 SWM fixed tube unit - Ｄ...
  • Page 18 JAA52851-R.3724.A Change SW unit Take out the four screws (#298). While pulling out the FPC area, remove the change SW unit (B151). � Hole B117 #298×4 #B151 Focus window ・ Remove the focus window (#57) from the SWM fixed tube. SWM fixed tube - Ｄ...
  • Page 19 JAA52851-R.3724.A Guide roller Remove the three guide rollers (#108) from the SWM unit. � #108×3 #104×3 Transparent ring unit Transparent Transparent ring unit #94×3 ring unit #92A ～ C× ｎ - Ｄ 8・AF-S VR400/2.8G -...
  • Page 20 JAA52851-R.3724.A SWM unit Release the spring hook. SWM unit FPC retainer washer, Wave washer ・ Remove the wave washer (#192) and FPC retainer washer (#203) from the fixed tube unit. #192 #203 Fixed tube unit - Ｄ ・AF-S VR400/2.8G -...
  • Page 21 JAA52851-R.3724.A MF ring unit, Rubber ring, Wave washer unit, Focus index ring, SWM unit ・ Remove the focus index ring (#26), wave washer unit (B82), rubber ring (#176), and MF ring unit. Holey protrusion A section MF ring unit #176 SWM unit Screw hole Align the "A section"...
  • Page 22 JAA52851-R.3724.A Washer Remove the washers (#179 and #177). � #179 #177A ～ G×n Peel off Tape ・ Peel off the tape [TA-0002 (5×30)] from the relay-FPC unit (connector section). Relay-FPC unit (Connector section) TA-0002 (5×30） - Ｄ 2・AF-S VR400/2.8G -...
  • Page 23 JAA52851-R.3724.A MF detection brush unit #312 Orange White #294×2 MF detection brush unit - Ｄ 22・AF-S VR400/2.8G -...
  • Page 24 JAA52851-R.3724.A AF lock ring Remove the lead wire (FL-FPC) from relay-FPC unit . � Brown White Relay-FPC unit Kapton tape (#341) Kapton tape (#340) Remove the AF lock ring (#52) from the front fixed tube (#35) by taking out the four screws (#67). �...
  • Page 25 JAA52851-R.3724.A Peel off the three pieces of the polyester film (TA-0002). � TA-0002 × 3 ( × 0） Remove the AF lock FPC unit (B2306) from the AF lock ring (#52) by taking out the eight screws (#114). � #114×8 B2306 Remove the four pieces of the AF lock rubber (#64) from the AF lock ring (#52).
  • Page 26 JAA52851-R.3724.A GMR unit Disconnect the FPC of the GMR unit from the relay-FPC unit (connector section). � GMR unit Relay-FPC unit (Connector section) Take out the two screws (#115) and remove the GMR unit from the fixed tube unit. � GMR unit #115×2 - Ｄ...
  • Page 27 JAA52851-R.3724.A Gyro FPC unit Detach the relay-FPC unit (connector section) as below. � Detach here. Peel off the FPC part of the gyro-FPC unit (B1003) from the fixed tube unit. � Disconnect the gyro-FPC unit (B1003) from the connector of the fixed tube unit by pulling in the �...
  • Page 28 JAA52851-R.3724.A Gyro-PCB unit △（Addition） ・ Take out the screws (#109) with a driver (T91313). ・ Remove the front fixed tube from the fixed tube unit. #109×12 Front fixed tube Fixed tube unit Take out the two screws (#213), and remove the gyro-PCB unit (B1003) from the front fixed tube. �...
  • Page 29 JAA52851-R.3724.A Tripod base ring #175 #139A,B,C #296×2 #265 Tripod base ring #208 #138 #170 #118 #B70 #140×4 #135 Front fixed tube Remove the rubber ring from the front fixed tube. � Front fixed tube Rubber ring - Ｄ 28・AF-S VR400/2.8G -...

  • Page 30: Assembly / Adjustment

    JAA52851-R.3724.A 2. Assembly / Adjustment Front fixed tube Mount the rubber ring on the front fixed tube. � Front fixed tube Rubber ring Tripod base ring Grease:OS-30MEL #265 Adhesive: L-241 #296×2 #208 Adhesive: G103 Grease:F890 ① Grease:G-03031X ② #170 #118 Apply in numeric oder from ①...
  • Page 31 JAA52851-R.3724.A Mount the tripod base ring Apply OS-30MEL, F-890, and G-03031X in numeric order from ① to ④ . � Adjust the play of the tripod base ring by the adjustment washer (#139 selected from A,B,or C). � Apply to the overall outside of the ring. Grease: OS-30MEL #175 Grease:OS-30MEL...
  • Page 32 JAA52851-R.3724.A Gyro-PCB unit Reference position for attachment Reference position for attachment #213 #213 Adhesive: Screw lock Adhesive: Screw lock B1003 ・ Mount the front fixed tube on the fixed tube unit. ・ Tighten the screws (#109) with a driver (T91313). △（Addition）...
  • Page 33 JAA52851-R.3724.A Gyro FPC unit Connect the FPC of the gyro relay-FPC unit (B1003) to the connector section of the fixed tube unit. � Attach the connector section of the fixed tube unit firmly with the tape as below. � Attach the FPC of the fixed tube unit firmly with the adhesive double-coated tape. �...
  • Page 34 JAA52851-R.3724.A Mounting of GMR unit Mount the GMR unit on the fixed tube unit, and tighten the screws (#115). � GMR unit #115×2 Adhesive: L-241 Apply slightly to the thread part. Connect the FPC of the GMR unit into the relay-FPC unit (connector section). �...

  • Page 35: Connection Diagram

    JAA52851-R.3724.A Output waveform inspection of GMR encoder 【 Connection diagram 】 Communication tool (J15416) Rated voltage power- supply Oscilloscope (2 ch type) Set value 5.0 V 100 mA × × Connect all GND of the probe to the terminals of GND of the switch tool.
  • Page 36 JAA52851-R.3724.A Output waveform inspection of GMR encoder 　① Turn the switch 1 to OFF, switch 2 to OFF and switch 3 to ON of the Switch tool. 　② Confirm that the electric current and voltage of the connected rated voltage power-supply are set values, then turn it ON.
  • Page 37 JAA52851-R.3724.A 　＜ Reference ＞ 　 ● If the only amplitude of either CH1 or CH2 is small, one of the 2 screws (#218) may be loosened, so check for it. If this is not the case, the GMR head may malfunction, so be sure to replace the GMR unit and make a readjustment.
  • Page 38 JAA52851-R.3724.A MF detection brush unit Mount the MF detection brush unit. � #294×2 Adhesive: Screw lock MF detection brush unit Solder the wires of the MF detection brush unit. � Orange White Attach the polyester tape (#312) to the MF detection brush unit. �...
  • Page 39 JAA52851-R.3724.A AF lock ring Attach the four pieces of the AF lock rubber (#64) to the below each part of the AF lock ring (#52). � #64×4 Attach the AF lock FPC unit (B2306) to the AF lock ring (#52), then tighten two screws (#114) each at �...
  • Page 40 JAA52851-R.3724.A Mount the AF lock ring (#52) on the front fixed tube (#35), and attach four screws (#67) temporarily. � #67×4 Dent GMR unit Grease: OS-30MEL △ (Addition) Apply to the overall Grease: F-890 ① contacting surface with the △ (Addition) Grease: GE-8+G8613 (4 : 6) front fixed tube.
  • Page 41 JAA52851-R.3724.A Attachment of Tape ・ Attach the tape [TA-0002 (5×30)] to the relay-FPC unit (connector section). Relay-FPC unit （connector section） TA-0002 (5×30） SWM Fixed tube unit ・ Attach the focus window (#57) to the SWM fixed tube. SWM fixed tube - Ａ...
  • Page 42 JAA52851-R.3724.A Backlash adjustment of MF ring unit Mount the SWM fixed tube unit, MF ring unit, and washers (#179 and #177), and check the backlash. � When the MF ring unit is replaced, adjust by the washer (#177 selected from A ～ G×n) so that backlash amount becomes from 0.05 to 0.1 mm.
  • Page 43 JAA52851-R.3724.A MF ring unit, Rubber ring, Wave washer unit, Focus index ring, SWM unit ・ Mount the MF ring unit, rubber ring (#176), wave washer unit (B82), and focus index ring (#26). Holey protrusion Check the height of the wave washer unit (B82). A section 4.0mm MF ring unit...
  • Page 44 JAA52851-R.3724.A FPC retainer washer, Wave washer ・ Mount the FPC retainer washer (#203) and wave washer (#192) on the fixed tube unit. Check the height of the wave washer (#192). #192 Wider convex 1.8±0.1mm portion #203 Wider concave portion Fixed tube unit Temporary mounting of SWM unit ・...
  • Page 45 JAA52851-R.3724.A Inspection and Adjustment of Transparent ring movement Transparent Adhesive: Screw lock ring unit #94×3 Transparent ring unit #92A ～ C× ｎ Mount the transparent ring unit. � Attach the three guide rollers (#108) temporarily with three screws (#104). � Attach the SWM fixed tube unit (B117) temporarily with three screws (#241).
  • Page 46 JAA52851-R.3724.A Change SW unit ・ Pass the FPC part of the change SW unit (B151) through the hole of the SWM fixed tube unit (B117), and tighten four screws (#298). Hole B117 #298×4 #B151 Adhesive: Screw lock SWM fixed tube unit Pass the two FPCs of the fixed tube unit through the inside hole of the SWM fixed tube unit.
  • Page 47 JAA52851-R.3724.A Loosen the four screws (#67) that were temporarily attached on Page A12. Then, � check the operation of the MF ring and tighten four screws (#67). Adhesive: Screw lock #67×4 - Ａ 7・AF-S VR400/2.8G -...
  • Page 48 JAA52851-R.3724.A SWM power FPC unit Attach the SWM power FPC unit (B26) to the SWM fixed tube unit (B117) based on the reference � position. Pass the head of the SWM power FPC unit (B26) from the inside to the outside through the hole of �...
  • Page 49 JAA52851-R.3724.A Power brush unit 1, 2 ・ Mount the power brush unit 1 （ B2102 ） and 2 (B3102) on the SWM fixed tube unit (B117). Then, tighten the two screws (#97). #97×2 #97×2 Adhesive: Screw lock Adhesive: Screw lock B2102 B3102 ・...
  • Page 50 JAA52851-R.3724.A VR unit-assy Mount the main PCB (B1001) and shield (#280) on the VR unit-assy. Put the washer (#199) and � tighten three screws (#111). VR unit-assy B1001 #280 #111×2 Adhesive: Screw lock #199 #111 Adhesive: Screw lock Connect the FPC to the connector section of the VR unit-assy. �...
  • Page 51 JAA52851-R.3724.A 3rd lens-G unit Set the VR fix tool (J11313) to the VR unit-assy. � Apply the screw lock with a width of approx. 5-10 mm to the threaded portion of the 3rd lens-G unit (B7). � Set the 3rd lens-G unit (B7) with the wrench (for 3G AF-S VR200/2G)(J11314), and mount them on the �...
  • Page 52 JAA52851-R.3724.A Assembly of Rear fixed tube unit Adhesive: L-241 #212×3 #B61 #B23 Grease: G92KA B1017 #24 Adhesive: L-241 Fixed tube (#29) #B357 #181 Adhesive: L-241 Adhesive: L-241 #103 #114×2 #114×2 #132 Adhesive: L-241 #159 Solder Adhesive: Screw lock Lusterless black paint #158×2 #158×2 Adhesive: Screw lock...
  • Page 53 JAA52851-R.3724.A Aperture blade Assemble the aperture blade section. � Adhesive: Screw lock #66×3 B8×9 #221×3 #122 #180×3 #120×2 Adhesive: Screw lock Apply to the two screws (#120) and one screw (#99) Tension spring (#96) - Ａ 2・AF-S VR400/2.8G -...
  • Page 54 JAA52851-R.3724.A Mount the aperture blade section. � #180×3 Aperture blade section Grease: I-40 Inside circular line of Aperture actuating Adjustment of Aperture diameter plate Aperture blade 0.5±0.5mm Adhesive: Screw lock #221×3 ・ Move the aperture lever so that it is set to full aperture.
  • Page 55 JAA52851-R.3724.A Position adjustment of Aperture lever +0.1 #158×2 ・ Measure the 3.1-lever. Loosen the two screws (#158) and move #39 so that the above width becomes Adjustment of Aperture diameter +0.1 1. Prepare adjustment of Aperture diameter Mount the rear fixed-tube unit on the VR unit, then attach them temporarily with three screws (#105). �...
  • Page 56 JAA52851-R.3724.A Removal of VR unit-assy from Rear fixed tube unit ・ After the adjustment, make a mark-off line. Then remove the temporarily-attached 3 screws (#105) and detach the VR unit-assy from the rear fixed-tube unit. Mark-off line Mark-off line Note: Do not put the unit with the aperture blade side’s face down on a desk, etc, otherwise it may cause a deformation of the aperture blade unit.
  • Page 57 JAA52851-R.3724.A VR unit-assy Pass each FPC, which connects from the body, through holes of the VR unit-assy to assemble � them. VR unit-assy Positioning pin Attach the VR unit-assy firmly with eight screws (#110), and the change-SW unit with four screws (#106). �...
  • Page 58 JAA52851-R.3724.A Pass each FPC through the holes of the VR unit, and connect them to each � connector of the main PCB unit. While confirming that the FPC does not become slackened, attach four � pieces of the kapton tape (#343) on it. #343 #343×2 Rear fixed tube unit...
  • Page 59 JAA52851-R.3724.A Electrical continuity check of GND line ・ Check the electrical continuity of GND line between the bayonet mount and the memory set FPC (SW). Standard: 1.0 Ω or less Bayonet mount Memory set FPC (SW section) VR ON/OFF change ring ・...
  • Page 60 JAA52851-R.3724.A ・ Mount the VR ON/OFF change ring. Apply to the overall sliding surface of the inside of the ring. Grease: GE-8 VR ON/OFF change ring Apply to the sliding surface of [#172] and [#173]. Grease: GE-8 #173 Adhesive: L-241 #180 #174 #166...
  • Page 61 JAA52851-R.3724.A Tripod base B187 #204×4 #132×3 #187×9 - Ａ ・AF-S VR400/2.8G -...
  • Page 62 JAA52851-R.3724.A Exterior fixed tube unit Adhesive: Super X #360 #135 Grease: I-40 #140×4 Adhesive: L-241 Contacting surface with #118 #174 at 2 places Adhesive: L-241 #267 #208 #318 #112×3 Adhesive: L-241 Positioning hole Exterior fixed tube unit Positioning hole - Ａ 2・AF-S VR400/2.8G -...
  • Page 63 JAA52851-R.3724.A Insertion filter Insertion filter MF ring small rubber Attach the tape (#344) to cover the four holes of the MF ring unit, and install the MR ring small � rubber (#37). Hole× ４ #344 - Ａ ・AF-S VR400/2.8G -...
  • Page 64 JAA52851-R.3724.A 1st lens-G unit While pushing the drip-proof rubber (#47) into the clearance between the G1 lens and the lens housing (#40) with stickers, etc, make an assembly. Note: When the vinyl electric wire (#48) is replaced, tighten the retaining ring (#43) once, then in a few minutes, retighten it.
  • Page 65 JAA52851-R.3724.A 2nd lens group, 1.5th lens-G unit, 1st lens-G unit Set the focus ring to the closest-distance. � Put the 2nd lens group and spacing ring (#28) in the body. � Fasten the focus drive section with the focus fixing pin. Then, mount the retaining ring (#49) with a �...
  • Page 66 JAA52851-R.3724.A Name plate #297×4 Adhesive: L-241 Name plate Polyester tape Pull down the rubber ring (#46). Attach the polyester tape around the lens housing (#40) and the � front fixed tube (#35), then pull up the rubber ring to the original position. Polyester tape - Ａ...
  • Page 67 JAA52851-R.3724.A FFD adjustment ① Remove the MF-ring small rubber (#37), and peel off the tape (#344). Hole×4 #344 ② Set up the lens on a tripod, etc. ③ Mount the infinity-focus reference body on the lens. ④ Rotate the MF ring up to the infinity-end, and position the hole of the MF ring unit as below. �...
  • Page 68 JAA52851-R.3724.A � Insert the focus fixing pin (J11353) into the dent, and fix the position of the focus-drive section. J11353 � Confirm whether an object 100m-or-more distant is in focus. If it is out of focus, go on to the below procedure for adjustments. If it is in focus, go to Page A39 "Focus index position adjustment".
  • Page 69 JAA52851-R.3724.A Focus index position adjustment ① If the index position is not within standard, go to the below procedure and adjust the focus index position. Index Standard: Within the range of 2/3-width of the whole width of "∞"-mark (1/3 each right and left, from the center of "∞"-mark) ②...

  • Page 70: Preparation For Inspection & Adjustment Of Main Pcb

    JAA52851-R.3724.A Preparation for Inspection & Adjustment of Main PCB ● In case of replacing the main PCB, SWM unit or GMR unit and Fixed tube unit, be sure to make the necessary adjustments as follows: 1. Adjustments 　・ Adjustment for electrical device (GMR duty adjustment, SWM offset adjustment, Focus preset adjustment) 2.

  • Page 71: System Configuration

    JAA52851-R.3724.A 【System configuration】 ★：NEWTOOL Power supply (6V) （＋） （－） Oscilloscope 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, AF-I communication box so use commercial products on the market. (J15306-1) AF-I communication adapter (J15307)
  • Page 72 JAA52851-R.3724.A Adjustment for Electrical Device GMR duty adjustment ●In case of replacing the main PCB, SWM unit, GMR unit or Fixed tube unit, be sure to make the adjustments. How to adjust: ・ Select "Adjustment for Electrical Device" on the main menu. △（Revision）...
  • Page 73 JAA52851-R.3724.A ・ Follow the instructions on the screen for preparation. Then click "Next". ・ Rotate the MF ring slowly by hand up to "Close"-end. ・ When the screen has changed to the following, rotate the MF ring slowly by hand up to "Infinity"-end. ・...

  • Page 74: Trigger Level

    JAA52851-R.3724.A Caution: If the duty is not 50% concerning each waveform from "Infinity" to "Close" and "Close" to "Infinity", make the readjustment of "Inspection of GMR encoder output waveform" on Page 5. ※ Refer to the below for "Oscilloscope settings" and "Standard" of waveform. ●Oscilloscope setting C H 1 = 5 V C H 2 = 5 V...
  • Page 75 JAA52851-R.3724.A SWM offset adjustment ・ Click "Next". Automatic adjustment starts. ・When the adjustment ends, the procedure goes on to "Focus preset adjustment". Focus preset adjusment ・ Follow the instructions on the screen for preparation. Then click "Next" to start automatic adjustment. ・...
  • Page 76 JAA52851-R.3724.A Inspection of GMR encoder operations ・ Select "Inspection of GMR-encoder Operations" on the main menu. ・ Follow the instructions on the screen for preparation. Then click "Next". △（Revision） ・ Click "Start Inspection". Caution ： If the MF ring is rotated while the lens scanning is driven, the pulse shows an abnormal value. Do NOT touch the MF ring during operations.
  • Page 77 JAA52851-R.3724.A Inspection of Lens driving stop accuracy ・ Select "Inspection of Lens Driving Stop Accuracy" on the main menu. ・ Follow the instructions on the screen for preparation. Then click "Next". △（Revision） ・ Click "Start Inspection". ・ If the lens stops in "Inspection of Lens Driving Stop Accuracy", input a numeric number into "Delay time (from 0 to 1000 msec.) so that the lens does NOT stop.
  • Page 78 JAA52851-R.3724.A ・ When the inspection ends, the result will be indicated. If " Inspection result " shows " Good " , click "Close" button. The number of overrun/underrun pulses must be within the standards, after travelling back-and forth 5 times by the lens driving motion. 　Error range from Df1 to Df6 Lens position/tilt Error pulse incidence rate...
  • Page 79 JAA52851-R.3724.A Inspection of Lens driving time ・ Select "Inspection of Lens Driving Time" on the menu. ・ Follow the instructions on the screen for preparation. Then click "Next". △（Revision） (Lens position in inspecting) �L���� p������� �Nam� p�a��� p������� Horizontal Name plate upwards/rightwards/leftwards Front lens group 60°...
  • Page 80 JAA52851-R.3724.A ・ Select the driving amount respectively. Each lens driving time must be within the standard. ・ When the result is within the standard, click "Close" to end the procedure. Caution: If the MF ring is rotated during inspections, the waveform shows an abnormal value. Do NOT touch the MF ring during inspections.
  • Page 81 JAA52851-R.3724.A Inspection of Lens switches and Lens condition ・ Click "Inspection of Lens switches and Lens condition" on the menu. ・ Follow the instructions on the screen for preparation. Then click "Next". ・ If there is no problem with each item, click "Close" to end the procedure. ・Pressing "Focus operation button"...
  • Page 82 JAA52851-R.3724.A Lens firmware version ・ Click "Lens Firmware Version" on the menu. ・ Click "Read Data". ・ Follow the instructions on the screen for preparation. Then click "Next". ・ Confirm that there is no error in the lens name and the firmware version. ・...
  • Page 83 JAA52851-R.3724.A Backup of EEP-ROM data ・ Click "Backup/Restoring of EEP-ROM Data" on the menu. ・ Click "Read" of "Reading from/writing into lens". ・ Follow the instructions on the screen for preparation. Then click "Next". ・ When the EEP-ROM data reading is completed, click "OK". ・...
  • Page 84 JAA52851-R.3724.A ・ Type the file name in any folder, and click "Save". e.g. ・ Click "OK". ・ Click "Close" to end the procedure. - Ａ 4・AF-S VR400/2.8G -...
  • Page 85 JAA52851-R.3724.A Restoring of EEP-ROM data ・ Click "Backup/Restoring of EEP-ROM Data" on the menu. ・ Click "Load" of "Loading of/saving into file". ・ Select the file name in the folder that was saved as backup, and click "Open". e.g. ・ When the EEP-ROM data reading is completed, click "OK". ・...
  • Page 86 JAA52851-R.3724.A ・ Follow the instructions on the screen for preparation. Then click "Next". ・ When the EEP-ROM data writing is completed, click "OK". ・ Click "Close" to end the procedure. - Ａ ・AF-S VR400/2.8G -...
  • Page 87 JAA52851-R.3724.A Writing of EEP-ROM fixed values ・ Select "Writing of EEP-ROM Fixed Values". ・ Follow the instructions on the screen for preparation. Then click "Next". ・ When the EEP-ROM data writing is completed, click "OK". - Ａ 7・AF-S VR400/2.8G -...

  • Page 88: Replacement Part

    JAA52851-R.3724.A Adjustments required when parts are replaced MR duty adjustment (requiring Inspections of MR encoder opera- Adjustment writing fixed values） tions, Lens driving stop accuracy, Lens VR adjustment Drive frequency/motor control driving time, of Lens switches and lens Replacement part adjustment condition ○...
  • Page 89 JAA52851-R.3724.A VR adjustment When making the VR adjustment, refer to the "Instruction Manual" that is attached to the VR lens adjustment equipment (J15380). WARNING This equipment uses the laser beam. ● Do not look at the laser beam directly or through the laser beam window.
  • Page 90 JAA52851-R.3724.A 　Procedure for mounting the lens 1. Mount the lens on the equipment and move the lens retainer stand in the direction of the arrow. Lens retainer stand 2. Move the lens retainer stand to the position as shown below and fix it by tightening the clamp. Clamp - Ａ...
  • Page 91 JAA52851-R.3724.A 　④ Turn the VR lens adjustment equipment (J15380) ON and start the adjustment software. 　⑤ Point the cursor to "AF-S VR 400/2.8G" on the Lens selection screen and click it. △ (Revision) ※ If the below message appears, reset the focus ring by referring to "Procedure for mounting the lens" on the previous page.
  • Page 92 JAA52851-R.3724.A Vibration Reduction mode switch inspection ① Point the cursor to the check box next to "VR Mode Switch Inspection" and click it. ② Point the cursor to the "Execute" button and click it. △ (Revision) ③ "VR Mode Switch Inspection" screen appears. サービス...
  • Page 93 JAA52851-R.3724.A ④ The position of VR mode switch is indicated. Selecting the VR mode switch indicates the current position in the real time. VR mode switch ⑤ When completing the VR mode switch inspection, point the cursor to "Exit" button and click it to exit the inspection screen.
  • Page 94 JAA52851-R.3724.A VR lens position adjustment ① Point the cursor to the check box next to "VR Lens Position Adjustment" and click it. ② Point the cursor to "Execute" button and click it. △ (Revision) ③ The left message appears. Turn the VR mode switch of the lens to ON, then point the cursor to "OK"...
  • Page 95 JAA52851-R.3724.A 　・Gamma and Shift Adjustment (Automatic control) Adjust the tilt and the control center position, based on the position sensor output of the VR unit. During the adjustment, the message appears to confirm the lens position of angle (0 or 90 degrees). Set the lens to the position and click "OK"...
  • Page 96 JAA52851-R.3724.A ・ Mechanical Lock Inspection 　 While the mechanical lock inspection is made, the inspection result data is written as the adjustment value. The below 1 and 2 screens are displayed alternately, so turn the VR switch to ON/OFF 5 times each for the lens position at 0 and 90 degrees, according to the indicated instructions.
  • Page 97 JAA52851-R.3724.A VR Gyro Adjustment ① Point the cursor to the check box next to "VR Gyro Adjustment", and click it. ② Point the cursor to "Execute" button, and click it. △ (Revision) △ (Revision) ③ The left message appears. △ (Revision) Set "Frequency"...
  • Page 98 JAA52851-R.3724.A "VIBRATION" switch "SERVO" switch ⑤ Press "ON" button for "SERVO" switch and press "START" for "VIBRATION" switch of the VR lens adjustment equipment (J15380). 　⑥ When the equipment starts to vibrate, measure the vibration width ( ) of the laser beam. α...

  • Page 99: Gyro-Gain Adjustment

    JAA52851-R.3724.A ・Adjust misalignment of angle If the angle is misaligned, the laser beam source looks like turning around even after making the Gyro-gain adjustment. So if such misalignment is detected, adjust and correct it by the adjustment buttons. Note: After using the adjustment buttons, wait for a few seconds until the vibration movement stabilizes.
  • Page 100 JAA52851-R.3724.A 　 《Ref.》 　・The laser spot beam is illuminated with each spot of approx. 5 mm in diameter 5 m away. ① The vibration width must be adjusted at the Approx. 5 mm center of the laser spot. First, measure the whole vibration width.
  • Page 101 JAA52851-R.3724.A ・ Press "STOP" button of VIBRATION switch of the VR adjustment equipment to stop vibrations. ・ Rotate the lens through 90° in the direction indicated by the arrow, then press “START” button of VIBRATION switch to start vibrations. ・ At the 90° position, adjust the angle misalignment and make gyro-gain adjustment.
  • Page 102 JAA52851-R.3724.A Criteria for VR performance Before making the VR adjustment of defective products by using the equipment, refer to the following. Check １ Mount the lens on the appropriate body ・Set the VR mode to "ON". Repeat half-pressing ON/OFF ・Repeat pressing ON/OFF of the shutter release button a few of the shutter release button times at intervals of a few seconds during half-release timer.
  • Page 103 JAA52851-R.3724.A Check 2 Mount the lens on the equipment (J15380) ・How much does the vibration width reduce, when the VR Check the vibration width mode changes from OFF to ON by the VR-gyro adjustment. of laser What is the reduction rate of the vibration width? 1/5 or less More than 1/5...

  • Page 104: Adjustment Software

    JAA52851-R.3724.A Aberration compensation data writing adjustment ・ This adjustment uses the software which calculates the aberration compensation data according to the feature of lens aberration and writes in EEPROM of the lens, in order to improve the accuracy of autofocus. Note: This adjustment is necessary when the main PCB and/or each lens part (glass, lens chamber) is replaced or when each lens part is disassembled.
  • Page 105 JAA52851-R.3724.A （ Target chart ） （ Resolution chart ） - Ａ 7・AF-S VR400/2.8G -...
  • Page 106 JAA52851-R.3724.A (3) Writing aberration compensation data ① Prepare a camera. Set the "Exposure mode" to "A", the aperture to "Full", and "Focus mode" to "S". On the shooting menu, set the "Image quality mode" to "FINE", "Image size" to"L", "WB" to "Preset", , "WB"...
  • Page 107 JAA52851-R.3724.A 　� Confirm that "AF-S VR ED 400/2.8G" is selected on "Lens select" screen. Click "OK". 　� Click the "Defocus rectify..." . - Ａ 77・AF-S VR400/2.8G -...
  • Page 108 JAA52851-R.3724.A 　⑧ Click the "JPEG Shot". ⑨ The shutter is released after the AF operation. The shot image is automatically displayed on the PC The shutter is released after the AF operation. The shot image is automatically displayed on the PC screen.
  • Page 109 JAA52851-R.3724.A 　⑪ Click on "Rewriting". lick on "Rewriting". 　⑫ ⑫ When the following screen appears, click "OK". 　⑬ The reconfirmation screen is displayed. Click "OK". - Ａ 7・AF-S VR400/2.8G -...
  • Page 110 JAA52851-R.3724.A 　� � When the rewriting ends and the following screen appears, click "OK". 　� � Click "END" twice to complete the adjustment software. Note: Unless the camera is turned off once, the value that was written in EEPROM is not reflected. 　⑯...
  • Page 111 JAA52851-R.3724.A 工具編 TOOLS ★：NEW TOOL RJ 番号 名称 備考 RJ No. NAME OF TOOL OTHERS J9001-5N-1 安定化電源５Ａ DC REGULATED POWER SUPPLY 5A J18428 AF-S VR 400/2.8G 調整用ソフト ★ Adj.SOFT �o�� AF-S �R 400�2.8G SOFT �o�� AF-S �R 400�2.8G �o�� AF-S �R 400�2.8G J18431 AF-S VR 400/2.8G VR 調整用ソフト...
  • Page 112 JAA52851-R.3724.A ★：NEW TOOL RJ 番号 名称 備考 RJ No. NAME OF TOOL OTHERS AF-S VR 400300/2.8G �群回螺器 J11314 AF-S VR 300/2.8G △（訂正 /Revision） AF-S VR 500/2.8G WRENCH FOR 3G AF-S �R 300�2.8G AF-S VR 600/2.8G △（追加 /Addition） ＶＲユニット固定工具ＶＲ固定工具 ( �群 ) J11313 AF-S VR 300/2.8G △（訂正...
  • Page 113 サービス 計画課 Ｍ AF-S Nikkor 400mm f/2.8G VR ED JAA52851 P A R T S L I S T 修 理 部 品 表 Copyright ｃ 2007 by Nikon Corporation. All Rights Reserved. 無断転載を禁ず !! Printed in Japan August 2007...
  • Page 114 JAA52851-R.3724.A AF-S VR400/F2.8G 1K118-527-1(1) 1G157-087(1) 1K110-943(1) 1K515-266(1) 1K521-408(1) 1K521-405(1) 1G117-062(1) 1K501-203(1) 1G116-055(1) K2-17016FD2x3(10) 1K631-898(1) 1K521-406(1) 1K631-901(1) 1K110-553-1(1) 1S813-257(5) 1G216-035(1) 1C999-562(1) Fig.
  • Page 115 JAA52851-R.3724.A AF-S VR400/F2.8G TA-0009 1K208-180x4(5) 1K631-850(1) 6x40 TA-0012 5x15 1K631-138-1(1) 1K001-151-2x12(5) B1-17030FD2x8(10) TA-0001 10x290 1C999-319-1(1) B1-17020FAx2(10) K2-20030FD2x4(10) 1S020-527(1) B2-14025FBx2(10) B1-17030FD2(5) TA-0012 △ 1B060-740(1)NEW 5x15 1K683-728(5) 1C999-545(1)OLD 1B060-914-1(1) 1K612-058(5) 1K246-116-1(5) 1K521-407(5) 1G212-029 (1) 1K515-264(5) 1G026-060(1) 1K233-096(5) 1K641-335x3(5) 1C999-544(1) 1K118-105-1(5) 1C999-570(1) 1K161-427 1K161-428 A1-17040FAx2(10) 1K120-417-2x3(10)
  • Page 116 JAA52851-R.3724.A AF-S VR400/F2.8G A3-17025FRx4(5) 1C999-321(1) 1K087-867(1) 1K119-434(1) 1K063-037 1K063-038 x0-1(5) 1C999-323(1) 1K063-039 1B999-835-1(1) 1C999-325(1) 1K572-178(5) B1-16035FAx2(5) 1B570-114x9(1) 1K118-518x2(5) B1-16035FAx2(5) 1K120-218x12(5) A1-17025FBx3(5) 1C999-324(1) 1B060-917-1(1) K2-17020FAx3(10) 1C999-546(1) 1K001-291-1x4(5) 1C999-548(1) A1-17065FBx8(10) 1K631-610(1) 1K133-007(5) 1K574-196(1) 1K631-607(1) 1S020-522(1) 1S769-008(1) 1K225-354(5) B1-17030FAx2(10) A1-17030FBx4(10) 1C999-549(1)OLD △ 1B100-977(1)NEW 1K162-019(1) 1K120-036-1x2(10) 1K120-164x3(10)
  • Page 117 JAA52851-R.3724.A AF-S VR400/F2.8G B1-17030FD2x2(5) 1B002-591(1) 1K576-142-1(1) B1-17030FD2x2(5) B2-20060FD2x3(10) 1C999-327(1) 1K682-837(5) 1K601-737-1(1) A2-14025FCx2(10) 1K404-170-1(1) 1K120-019x2(10) 1C999-547(1) 1K110-586-2(5) 1K681-877-1(5) 1K681-878(5) 1K681-458(5) 1K120-019x2(10) 1K001-141-1x3(10) A2-14025FCx2(10) 1B060-915-1(1) 1K631-849(1) 1K120-012(10) A1-20050FAx10(5) 1K120-472-1x5(5) 1K120-514(5) 1B002-589(1) 1K103-766(5) 1K631-463(5) 1K130-304-1(10) 1C999-328-1(1) 1B002-208(1) 1K001-153-1x4(10) 1K110-551-2(1) 1K631-153(5) 1K100-031(5) 1K001-153-1x4(10) 1K631-153(5) 1K001-361x2(10) 1K119-498(1) 1K087-865(1)

  • Page 118: Parts List

    Parts List AF-S VR400/F2.8G JAA52851-R.3724.A 部品名 Part Number Pcs,/ Q'ty/ Barcode (Part Code) Main Assembly Remarks Part Code Part Name Unit Order 1B002-208 ﾌｨﾙﾀｰﾎﾙﾀﾞｰ部組 *1B002-208* 1B002-208 FILTER HOLDER UNIT 1B002-214 三脚座部組 *1B002-214* 1B002-214 TRIPOD SOCKET UNIT 1B002-456 ｳｪｰﾌﾞﾜｯｼｬｰ部組 *1B002-456* 1B002-456 WAVE WASHER UNIT 1B002-589 ｼｰｿｰﾚﾊﾞｰ部組...
  • Page 119 Parts List AF-S VR400/F2.8G JAA52851-R.3724.A 部品名 Part Number Pcs,/ Q'ty/ Barcode (Part Code) Main Assembly Remarks Part Code Part Name Unit Order 1C999-328-1 ﾌﾞｻﾞｰｶﾊﾞｰ部組 RoHS *1C999-328-1* 1C999-328-1 COVER BUZZER UNIT RoHS 1C999-544 固定筒部組 *1C999-544* 1C999-544 FIXED TUBE UNIT 1C999-545 SWM部組 *1C999-545* △...
  • Page 120 Parts List AF-S VR400/F2.8G JAA52851-R.3724.A 部品名 Part Number Pcs,/ Q'ty/ Barcode (Part Code) Main Assembly Remarks Part Code Part Name Unit Order 1K001-151-2 SCREW *1K001-151-2* 1K001-151-2 SCREW 1K001-153-1 SCREW *1K001-153* 1K001-153 SCREW 1K001-291-1 SCREW *1K001-291* 1K001-291 SCREW 1K001-361 SCREW *1K001-361* 1K001-361 SCREW 1K063-037...
  • Page 121 Parts List AF-S VR400/F2.8G JAA52851-R.3724.A 部品名 Part Number Pcs,/ Q'ty/ Barcode (Part Code) Main Assembly Remarks Part Code Part Name Unit Order 1K110-553-1 ｺﾞﾑﾘﾝｸﾞ *1K110-553* 1K110-553 RUBBER RING 1K110-586-2 防滴ｺﾞﾑ *1K110-586* 1K110-586 RUBBER RING 1K110-706 ｺﾞﾑﾘﾝｸﾞ *1K110-706* 1K110-706 RUBBER RING 1K110-710 ﾒﾓﾘｾｯﾄﾎﾞﾀﾝ...
  • Page 122 Parts List AF-S VR400/F2.8G JAA52851-R.3724.A 部品名 Part Number Pcs,/ Q'ty/ Barcode (Part Code) Main Assembly Remarks Part Code Part Name Unit Order 1K120-019 SCREW *1K120-019* 1K120-019 SCREW 1K120-036-1 SCREW *1K120-036* 1K120-036 SCREW 1K120-065 SCREW *1K120-065* 1K120-065 SCREW 1K120-164 SCREW *1K120-164* 1K120-164 SCREW 1K120-218...
  • Page 123 Parts List AF-S VR400/F2.8G JAA52851-R.3724.A 部品名 Part Number Pcs,/ Q'ty/ Barcode (Part Code) Main Assembly Remarks Part Code Part Name Unit Order 1K161-431 ﾜｯｼｬｰ T=0.09 *1K161-431* 1K161-431 ADJUSTMENT WASHER T=0.09 1K161-432 ﾜｯｼｬｰ T=0.10 *1K161-432* 1K161-432 ADJUSTMENTWASHER T=0.10 1K161-433 ﾜｯｼｬｰ T=0.03 *1K161-433* 1K161-433 ADJUSTMENT WASHER T=0.03...
  • Page 124 Parts List AF-S VR400/F2.8G JAA52851-R.3724.A 部品名 Part Number Pcs,/ Q'ty/ Barcode (Part Code) Main Assembly Remarks Part Code Part Name Unit Order 1K572-178 矢車 *1K572-178* 1K572-178 APERTURE ACTION PLATE 1K574-196 ﾊﾁﾉｽ *1K574-196* 1K574-196 BLADE MOUNTING UNIT 1K576-142-1 固定絞り板 *1K576-142* 1K576-142 FIXED APERTURE PLATE 1K601-737-1 ﾌｨﾙﾀ保持版...
  • Page 125 Parts List AF-S VR400/F2.8G JAA52851-R.3724.A 部品名 Part Number Pcs,/ Q'ty/ Barcode (Part Code) Main Assembly Remarks Part Code Part Name Unit Order 1K631-850 前側固定筒 *1K631-850* 1K631-850 FRONT FIXED TUBE 1K631-898 ﾌｰﾄﾞ取付ﾘﾝｸﾞ *1K631-898* 1K631-898 FIXED FOR FILTER RING 1K631-900 三脚環 *1K631-900* 1K631-900 TRIPOD RING 1K631-901...
  • Page 126 Parts List AF-S VR400/F2.8G JAA52851-R.3724.A 部品名 Part Number Pcs,/ Q'ty/ Barcode (Part Code) Main Assembly Remarks Part Code Part Name Unit Order A1-17040FA SCREW *A1-17040FA* A1-17040FA SCREW A1-17065FB SCREW *A1-17065FB* A1-17065FB SCREW A1-20040FS SCREW *A1-20040FS* A1-20040FS SCREW A1-20050FA SCREW *A1-20050FA* A1-20050FA SCREW A2-14025FC...

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