Olympus BX2 SERIES 유지 관리 매뉴얼 - 페이지 22

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BX2 MAINTENANCE MANUAL

(3) Adjustment procedure (BX51/52)

This LED

should be lit.

Control board

VR103

VR101

Light preset switch

(4) Setup for adjustment (BX41/45)

Digital multimeter (RMS type)

REPAIR PROCEDURE

Connect it to the

connector CN51 on

power board.

Connect it to

the relay

board. (only

BX51/52TRF)

Connect it to

rheostat ass'y.

(A012)

Power board

CN21

Lamp voltage

output terminal

Install U-LS30-4 on the frame

5.9

1) Turn on the power, and then turn the

knob "B" (P.18) to the maximum level.

2) In step 1), turn the trimmer VR52 (P.18)

on the power board to adjust the lamp

output voltage to 12.2V, using the digital

multimeter.

Standard

3) Turn on the light preset switch.

4) Set the light preset voltage to 9V by

turning the VR101.

Standard

5) In step 4), turn the trimmer VR103 so that

nineth LED from the bottom will light.

6) Apply solvent-based adhesive(OT1026) to

several points around all trimmers except

VR101 to avoid turning the trimmers.

1) Remove the back panel of microscope

frame.

Screw: CUKSK3X8SA

Note: In case of disassembly from the frame,

after removing the screws, separate the

back panel from wrench holder and take

off the panel while shifting it down.

2) Remove the control board . (Refer to the

next page.)

Screw: CUTB3X6SA

3) Prepare for adjustment as shown in the

left figure.

- 19 -

DC12.2V+/-0.1V

DC9V+/-0.1V

7 pcs.

2 pcs.