Nidek Medical CP-690, Service Manual

Page: 35 / 70

5 - 13
5.7 Replacement of the Bottom Cover ASSY (Power
LED)
Replacement part: Bottom cover ASSY (33156-1015)
1. After removing the top and front cover ASSYs according to “5.1 How to remove the
covers”, replace the bottom cover ASSY with a new one. (See 5.1.)
* Peel off the fuse label (100 V system: 33102-M103, 200 V system: 33138-M086), serial
number label, and serial number plate from the bottom ASSY and stick them to the new
bottom cover ASSY in the same positions.
* The A type and instrument for Marco does not have the serial number label.
2. Assemble the removed parts in reverse order.
5.8 Replacement of the Power Switch
Replacement part: Seesaw switch (80460-00103)
1. Remove the top and bottom cover ASSYs.
(See 5.1.)
2. Unscrew BS3 × 6
ZnC
(n=2) to remove the
base (M033).
3. Remove the hook part of the seesaw switch
from the base (M033).
4. Disconnect the black and white wires (each: 2) from the removed seesaw switch and
then connect these wires to the new seesaw switch.
5. Assemble the removed parts in reverse order.
* Be careful of the positioning of the seesaw switch.
Black wire of the inlet terminal A
→
Terminal 1 of the switch part
White wire of the inlet terminal B
→
Terminal 2 of the switch part
Black wire of the inlet terminal L
→
Terminal 1a of the switch part
White wire of the inlet terminal N
→
Terminal 2a of the switch part
Terminal position of the inlet
2
A 1 B
5 3
4
L N
E
シーソースイッチ
支基
ＢＳ３×６
ＺｎＣ
２
（ｽｲｯﾁ向き）
BS3×6
ZnC
2
Positioning of
the switch
Base
Seesaw switch