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2.6 Replacing 

the 

LED 

lamp 

1)  Turn off the power switch and disconnect the power cord. 
2)  Loosen the 7 screws on the bottom board. See 

Fig 3 (a)

 

3)  Open the board and find the LED lamp. See 

Fig 3 (b)

 

4)  Loosen the 2 screws and unplug the LED connector. 
5)  Replace the dead LED lamp with a new one. 
6)  Tighten the 2 screws and plug in the LED connector. 
7)  Put the board back its place. 
8)  Tighten the 7 screws. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 
 
 
 
 
 
 

Fig.2

Color Filter

Color Filter Holder

Fig.3

7 Screws 

2 Screws 

LED Lamp 

LED Connector 

(a)

(b) 

(c)

Содержание MD8211E30

Страница 1: ...User Manual Digital Compound Binocular LED Microscope Model MD8211E30 MicroscopeNet com...

Страница 2: ...Table of Contents i Caution 1 ii Care and Maintenance 2 1 Components Illustration 3 2 Installation 4 3 Operation 6 4 Specifications 8 5 Troubleshooting Guide 9...

Страница 3: ...rface 4 If any specimen solutions or other liquids splash onto the stage objective or any other component disconnect the power cord immediately and wipe up the spillage Otherwise the instrument may be...

Страница 4: ...ally using an air stream from an air bulb If dirt remains on the optical surface use a soft cloth or cotton swab dampened with a lens cleaning solution available at camera stores All optical lenses sh...

Страница 5: ...bs 3 Eyepiece Tube 10 USB Cable 17 Power Switch 4 Viewing Head w Built in Camera 11 Head Lock Thumb Screw 18 Brightness Intensity Dial 5 Objective 12 Nosepiece 19 Condenser Lock Thumb Screw 6 Slide Ho...

Страница 6: ...plastic cases and turn each one clock wise into the holes on the nosepiece Install the 4X objective into the nosepiece first Then in a counter clockwise direction rotate the nosepiece and install eac...

Страница 7: ...e Fig 3 a 3 Open the board and find the LED lamp See Fig 3 b 4 Loosen the 2 screws and unplug the LED connector 5 Replace the dead LED lamp with a new one 6 Tighten the 2 screws and plug in the LED co...

Страница 8: ...cimen is close to the objective 2 Turn the coarse focus knob until the specimen is in focus Then use the fine focus knob to obtain a sharp image You may now switch to another magnification objective 3...

Страница 9: ...adjusted to smaller size the contrast will be increased and the depth of field will be increased as well Turn up the intensity of the light if the image is too dim 3 8 Adjusting focus knob tension Th...

Страница 10: ...0 17 spring 40X 0 65 160 0 17 spring Condenser Abbe NA 1 25 w iris aperture diaphragm and filter holder Rack and pinion focus adjustment Focus Mechanism Coaxial coarse and fine focusing knobs on both...

Страница 11: ...7mm slide cover Slide cover is too thick or thin Use a slide cover of the appropriate thickness 0 17mm Slide may be upside down specimen at the bottom Turn slide over so the cover glass faces up Diopt...

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