Angle Adjustment Of Main Mirror And Sub-Mirror - Nikon D200 Repair Manual

Angle adjustment of Main mirror and sub-mirror

・Main mirror 45° adjustment
Caution: ・Before and after the adjustment, check the accuracy by moving the main mirror up- and downwards
a few times.
① Check for the right-left deviation.
In case the deviation is out of standard, loose three screws (#1523) and make an adjustment by moving the
main mirror shaft PCB (#B10212).
② Check for the up-down deviation. In case the deviation is out of standard, make an adjustment by turning the
eccentric pin with Hexagonal wrench.
・Sub-mirror 59° adjustment
Caution: Before and after the adjustment, check the accuracy by moving the main mirror up- and downwards a
few times. Confirm if the two-pronged part of the sub-mirror firmly fits in the eccentric pin.
・ Check for the up-down deviation.
In case the deviation is out of standard, make an adjustment by turning the sub-mirror eccentric pin.
＊ Device
1. For Main mirror adjustment
① Collimator (J19002)
② 45° mirror tool (J18389)
③ Mirror 45° inspection tool (J18037)
④ Hexagonal wrench (φ1.5mm）
2. For sub-mirror adjustment
① Collimator (J19002）
② Sub-mirror 59° inspection tool (J18391)
③ Hexagonal wrench (φ1.5mm）
Mirror 45°checking tool
J18389
Main mirror
Main mirror
Left-right
±15'
deviation
Up-down
±5'
deviation
Distortion 6'or less
#1523×3
Apply after the adjustment
Adhesive:
Screwlock
Collimator
Bayonet mount
Eccentric pin for the main
mirror
Mirror of J18391
Sub-mirror
Eccentric pin for the sub-
mirror
Sub-mirror
±15'
±15'
6'or less
- Ａ16 ･
PCB (#B10212)
Width of line indicates deviation.
Reference line
Left-right
-
INC
VBA13001-R.3677.A
Main mirror shaft
Up-down