Nikon JAA78351 Operating instructions

JAA78351-R.3597.A
作成承認印 配布許可印
NIKON CORPORATION
Tokyo, Japan
Recycled paper
Printed in Japan September 2003
Copyright ｃ 2003 by Nikon Corporation.
All Rights Reserved.
REPAIR MANUAL
AF Zoom-Nikkor
ED 28-200mm f/3.5-5.6G IF
JAA78351(BLACK)
JAA78301(SILVER)
TEMPORARY

JAA78351-R.3597.A
- M1 ･AF28-200/3.5-5.6G -
Type of lens
Focal length
Maximum aperture
Lens construction
Picture angle
Focal length scale
Distance information
Zoom control
Shooting distance scale
Closest focus distance
Diaphragm
Aperture range
Exposure measurement
Attachment size
Dimensions
Weight
G-type AF Zoom- Nikkor lens having built-in CPU and Nikon bayonet mount
28mm-200mm
f/3.5-f/5.6
12 elements in 11 groups (2 ED lens elements)
74 ° -12 ° 20 ′
53 ° -8 ° with Nikon Digital Camera D1/D1H/D1X/D100)
28,35,70,85,105,135,200mm
Output to camera body
Manually via separate zoom ring
Graduated in meters and feet from 0.44m (1.5ft.) to innity (∞)
0.44m (1ft.) at 200mm focal length
Fully automatic
f/3.5 (at 28mm) to f/36 (at 200mm)
Via full-aperture method with cameras having CPU interface system
62mm (P ＝0.75mm)
Approx. 69.5mm dia. ×71mm extension from the camera's lens mount ange
Approx.360g (12.7 oz)
SPECIFICATIONS

JAA78351-R.3597.A
- L1・AF28-200/3.5-5.6G -
Disassembly
Cover ring
#105×3
#89×2
Zoom scale ring, Zoom ring rubber
Cover ring
Zoom scale ring
Insert the screwdriver, etc into here.
Then slacken and remove the zoom
scale ring.
Zoom scale ring
Zoom ring rubber

JAA78351-R.3597.A
- L2・AF28-200/3.5-5.6G -
Change-over switch unit
#174×2
#194
Change-over switch unit

Bayonet
Zoom ring, Index ring
#126×2
#123
#124
#126
#131
・Remove the zoom key （#123,#124).
・Detach the zoom ring and index ring in
the direction indicated by the arrow.
Then the coupling ring comes off at the
same time.
Coupling shaft
#178
#105×3
Bayonet
Zoom ring, Index ring unit

JAA78351-R.3597.A
- L3・AF28-200/3.5-5.6G -
#169×2
#142×2
#144
#141
Distance encoder brush, IC PCB
#134×3
#94×2
#93×2
Focus ring unit
#133×2
Remove the connectors.
Distance encoder brush
IC PCB
Focus ring unit
・ Remove the connectors at 2
parts.
・ Remove 2 screws (#133) to
detach the IC PCB.
・Remove 2 tapes (#169).
・
Remove each 2 zoom rollers (for #94 and #93)
・Take out 2 screws (#134) to detach the focus
ring unit from the body.

JAA78351-R.3597.A
- L4・AF28-200/3.5-5.6G -
#35 B36
#193 #96
B12
#58
#58
#118 #74
#72
#75
#102
#159×2 #104×3
#55
1st lens group unit
1st lens group unit
・ Detach the 1st lens group unit while
rotating it in the direction indicated
by the arrow.

JAA78351-R.3597.A
- L5・AF28-200/3.5-5.6G -
B8 B1 #186 #40 #172
Zoom encoder brush
Zoom encoder brush #138
#139
#140×2
Cam ring unit
#100×2
#98×2
#115×3
#116×3
#168×3
#167×3
・Remove each zoom roller.
When removing it, the screw
(#115) can be seen by rotating
the ring (#92) in the direction
indicated by the arrow.
・
Separate the body into A and B as
shown in the right.
#92
A
B

JAA78351-R.3597.A
- L6・AF28-200/3.5-5.6G -
#95
・Rotate #95 and remove it from #57.
#57
#106×3
#173×3
#127×3
#158×3
#109×3
#57
#56
#92
#197×2
#195×2

JAA78351-R.3597.A
- L7・AF28-200/3.5-5.6G -
2nd lens group unit
#67
2nd lens group
#135
B7
#99×2
#80×2
4th lens group unit
The next is the process of detaching the 4th lens group unit.
When the 4th lens group unit is removed, the lens alignment is necessary
after assembling. If the alignment is impossible in service ofces, do NOT
proceed with further dissembling work.
#200×3
#201×3
#85×3
4th lens group unit
#92
・
Pushing down the ring of 92 makes it
easier to detach the 4th lens.
#48×3
#199×3
#136
#54
77×3
B47
Note:
The alignment of the 4th lens (B47) itself is
already made, so do NOT disassemble it.

JAA78351-R.3597.A
- L8・AF28-200/3.5-5.6G -
3rd lens group unit, Aperture blade housing unit
#91×3
#76×3
#198
#61 #33 B5×7 B25 #32 B45
B7 #82
#167×3×3
#90×3
#81×3
#165×3
#78×3
#79×3
Cam ring unit

JAA78351-R.3597.A
- L9・AF28-200/3.5-5.6G -
Assembly
B7 #82
#167×3×3
#90×3
#81×3
#165×3
#78×3
#79×3
Cam ring unit
#198
#61 #33 B5×7 B25 #32 B45
3rd lens group unit, Aperture blade housing unit
#91×3
#76×3
・Apply MZ-800S to the all-around inner side of
#82, 3 straight grooves, and 6 cam grooves.
Screw Lock
Screw Lock
Grease: G92KA
3 convexities
Screw Lock
Aperture blade housing unit

JAA78351-R.3597.A
- L10・AF28-200/3.5-5.6G -
4th lens group unit
200×3
#201×3
#85×3
4th lens group unit
#48×3
#199×3
#136
#54
#77×3
B47
2nd lens group unit
#67
2nd lens group
#135
B7
#99×2
#80×2
・Assemble the 2nd lens group frame by positioning the
groove of the 2nd lens group frame and the notch as
shown in the left.
Grooves
2nd lens group frame
Screw Lock
Screw Lock
Grease: G92KA
4 convexities
#97
Notch
2nd lens group frame
Screw Lock

JAA78351-R.3597.A
- L11・AF28-200/3.5-5.6G -
#106×3
#173×3
#127×3
#158×3
#109×3
#57
#56
#92
#197×2
#195×2
Zoom encoder FPC
・ Place the zoom encoder FPC to the
direction indicated by the arrow,
and attach it to the groove of the
mounting position.
Cam ring unit
Screw Lock
Screw Lock
Grease: G92KA
Outside 6 convexities
Inside 3 convexities
Grease: MZ-800S
3 straight grooves of #56
3 cam grooves
Grease: MZ-800S
5 straight grooves of #92
5 cam grooves
Grease: MZ-800S
All-around inner side of #57,
3 convexities
Convexity
Zoom encoder FPC

JAA78351-R.3597.A
- L12・AF28-200/3.5-5.6G -
#95
・Apply MZ-800S to the 2 cam grooves and the
all-around inner side of #95.
・Enter 3 convexities of #57 in 3 concavities of
#95 to assemble them as shown in the left.
・Turn #95 through about 30° in the direction
indicated by the arrow.
#57
Concavity Convexity
・Lift the ring (#82) up entirely in the direction indicated by the
arrow.
・Engage the roller A in the groove (#56 surrounded by broken
line) to assemble them.
#100×2
#98×2
#115×3
#116×3
#168×3
#167×3
Roller A
#82
#56
Groove
Screw Lock
Screw Lock

JAA78351-R.3597.A
- L13・AF28-200/3.5-5.6G -
Zoom encoder brush
Zoom encoder brush
#138
#139
#140×2
・Rotate the ring (A) for setting to the wide zoom
position.
・Attach the encoder brush.
Adjust the position by following Page L18.
A
B8 B1 #186 #40 #172
1st lens group unit
Grease:MZ-800S
3 cam grooves
6 convexities
Grease:MZ-800S

JAA78351-R.3597.A
- L14・AF28-200/3.5-5.6G -
1st lens group unit
・As shown in the left circle, engage
the rollers in the concavities (at 3
positions) to assmelbe them while
turning in the direction indicated by the
arrow.
#159×2 #104×3
#55
Driving gear unit
Screw Lock Screw Lock
#96
#74
#72
#75
#119
#118
Distance encoder FPC
Position for attaching #119
Attach it in either
direction as shown
in the left.
Screw Lock
Screw Lock
#102
#58
Grease:I-40
Gear #72,#74,#75
#119
Index

JAA78351-R.3597.A
- L15・AF28-200/3.5-5.6G -
Position for attach the distance encoder FPC.
Starting position for attachment.
Attach the FPC by aligning the groove.
Distance encoder FPC
Focus ring unit
Focus ring
Driving gear unit
#193 ・ Fit the 3 convexities of the focus ring in the 3
concavities of the driving gear unit as shown
in the left to assemble them, and turn the
driving gear unit counterclockwise.
・ Insert #193.
Concavity
Convexity
Grease: MZ-800S
Apply the grease to the all-around groove.
Distance encoder FPC
Focus ring unit

JAA78351-R.3597.A
- L16・AF28-200/3.5-5.6G -
#169×2
#134×3
#94×2
#93×2
#142×2
#144
#141
Distance encoder brush
FPC arrangement
Both-sided adhesive tape
#133×2
IC PCB
Insert the connectors.
Position for attaching the distance encoder brush
・Set the focus ring to innity.
・Attach the distance encoder brush at the above reference
position and x it with Screw Lock.
Screw Lock
Reference position
Screw Lock
FPC
IC PCB
Distance encoder brush

JAA78351-R.3597.A
- L17・AF28-200/3.5-5.6G -
Zoom ring, Index ring
#64 #59 #122×2
#125×2
#125×2
#166×2
Grease: MZ-800S
Apply the grease to the all-around groove.
Index ring
Zoom ring
Coupling shaft ・Fit the 3 convexities of the index ring in the 3
concavities of the zoom ring as shown in the
left to assemble them, and turn the index ring
clockwise a little.
・
Assemble the coupling shaft into the index ring.
Convexity
Concavity
#126×2
#123
#124（with notch）
#126
#131
Turn the zoom ring so that the key groove
can be seen at the position surrounded
by broken line, then attach the zoom key
(#123,#124).
Screw Lock
Screw Lock
Super X

JAA78351-R.3597.A
- L18・AF28-200/3.5-5.6G -
Bayonet
#178
#105×3
Bayonet
Note: In case the back focus adjustment
washer (#178) is made of nylon, put it at
the lowermost part.
Position adjustment of Zoom encoder brush
#140×2 Reference position
Position for attaching the zoom encoder brush
・Set the zoom ring to wide zoom position.
・Attach the zoom encoder brush at the above
reference position, and x it with Screw Lock.
Change-over switch unit
#174×2
#194
Change-over switch unit
