Kowa K9L39F5BE Service Manual Download

Page: 2 / 51

GG-09004 Edition 4.0

- 1 -

Contents

Names and Functions of Components ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 3

Description of the principle of nonmyd 7 photography ・・・・・・・・・・・・・・・・・・・・ 6

2-1

Summary of equipment ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 6

2-2

Photography procedure ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 6

2-3

Optical principle of photography ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 6

2-4

BLOCK DIAGRAM ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

Wiring Diagram ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 9

3-1

K9L39F5 ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

3-2

K9L39F5B ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 10

3-3

K9L39F7/F8/H8 ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 11

3-4

K9L39F7B/F8B/H8B ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 12

Preparing for Part Replacement ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 13

4-1

Removing outer cover ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

4-2

Removing the power supply ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 14

4-3

Removing the optical head base ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 14

Replacing parts ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

5-1

Replacing parts list ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

5-2

Replacing parts ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

The main body relation

①－１

Replacing the head board ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

①－２

Replacing the trigger board ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 18

①－３

Replacing the discharge board ・・・・・・・・・・・・・・・・・・・・・・・・・・

①－４

Replacing the internal fixation light LED board ・・・・・・・・・・・・・

①－５

Disconnect the W.D. LED connector ・・・・・・・・・・・・・・・・・・・・・

①－６

Replacing the anterior chamber LED ・・・・・・・・・・・・・・・・・・・・・

①－７

Replacing the diopter correction sensor ・・・・・・・・・・・・・・・・・・

①－８

Replacing the IR filter switch ・・・・・・・・・・・・・・・・・・・・・・・・・・・

①－９

Replacing the SP knob switch ・・・・・・・・・・・・・・・・・・・・・・・・・・

①－１０

Replacing the magnification lens solenoid ・・・・・・・・・・・・・・・・

①－１１

Replacing the anterior chamber lens solenoid ・・・・・・・・・・・・・ 21

①－１２

Replacing the FD return mirror solenoid ・・・・・・・・・・・・・・・・・・ 21

①－１３

Replacing the fan on the optical head ・・・・・・・・・・・・・・・・・・・・ 22

①－１４

Replacing the objective lens ・・・・・・・・・・・・・・・・・・・・・・・・・・・

The optical head base relation
②－１

Replacing the switch panel board ・・・・・・・・・・・・・・・・・・・・・・・・ 22

②－２

Replacing CPU board ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 22

②－３

Replacing the menu switch board ・・・・・・・・・・・・・・・・・・・・・・・・ 23

②－４

Replacing the battery ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 23

②－５

Replacing the lamp volume knob and the flash light intensity selection switch ・・・・ 23

②－６

Replacing joystick ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 24

②－７

Cleaning the friction plate unit ・・・・・・・・・・・・・・・・・・・・・・・・・・・ 24

②－８

Replacing the friction plate ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 24

②－９

Replacing photo sensor unit ・・・・・・・・・・・・・・・・・・・・・・・・・・・・

②－１０

Replacing right /left selection switch ・・・・・・・・・・・・・・・・・・・・ 25

②－１１

Replacing the chin rest motor ・・・・・・・・・・・・・・・・・・・・・・・・・・ 25

②－１２

Replacing the optical head drive motor ・・・・・・・・・・・・・・・・・・・ 26

Summary of Contents for K9L39F5BE

Page 1: ...0 Edition 4 0 2014 8 Model Name K9L39F5K E D90 model K9L39F5BE D90 model K9L39F7K E D5100 model K9L39F7BE D5100 model K9L39F H 8K E D7000 model K9L39F H 8BE D7000 model K9L39F H 9K E D5200 model K9L39...

Page 2: ...tion light LED board 19 Disconnect the W D LED connector 19 Replacing the anterior chamber LED 19 Replacing the diopter correction sensor 20 Replacing the IR filter switch 20 Replacing the SP knob swi...

Page 3: ...aring for lens cleaning 28 6 2 Lens cleaning procedures 29 6 3 Cleaning the lens underneath the hole mirror 30 6 4 Cleaning objective lens 30 7 Troubleshooting 35 How to clean up the low pass filter f...

Page 4: ...GG 09004 Edition 4 0 3 Names and Functions of Components...

Page 5: ...GG 09004 Edition 4 0 4...

Page 6: ...GG 09004 Edition 4 0 5...

Page 7: ...e light and infrared rays are allowed to pass through When it passes through a ring slit the illumination light forms a ring which will be reflected on the hole mirror The infrared illumination will c...

Page 8: ...ptical pathway Fig 2 Imaging optical pathway Eye Illumination lamp Infrared filter Flash tube Ring slit Hole mirror Objective lens Eye Hole mirror Objective lens Focusing lens Mirror Mirror Dichroic m...

Page 9: ...GG 09004 Edition 4 0 8 2 4 BLOCK DIAGRAM...

Page 10: ...GG 09004 Edition 4 0 9 2 Wiring Diagram 2 1 K9L39F5...

Page 11: ...GG 09004 Edition 4 0 10 2 2 K9L39F5B...

Page 12: ...GG 09004 Edition 4 0 11 2 3 K9L39F7 F8 H8 F9 H9...

Page 13: ...GG 09004 Edition 4 0 12 2 4 K9L39F7B F8B H8B F9B H9B...

Page 14: ...moval Remove a long screw as illustrated in the figure Remove two screws upper left and lower left and then the cover on the left side of the optical head Remove two screws upper right and lower right...

Page 15: ...d base fixing screw Place the base thickness 50mm in a location away from the power switch Remove four screws of the optical head base Lay the optical head base in a location away from the power switc...

Page 16: ...erior chamber LED Diopter correction sensor K9L39F3B 3034A HC K9L39 0029 HC K9L39 0027 GP1A75EJ000F Reference page P 17 Reference page P 17 Reference page P 17 Reference page P 18 IR filter switch SP...

Page 17: ...P 21 Battery Lamp volume Flash light intensity selection switch Joystick ML1220 CN2 HC K9L39C 0022 HC K9L39C 0023 K9L39 9113B Reference page P 21 Reference page P 21 Reference page P 22 Reference page...

Page 18: ...upply relation K9L39F5K E F5BE Power board Video board Power supply fan Camera connection board K9L39F3K 3123 K9L39C 2122B HC K9L39C 0047 K9L39F2 3152 Reference page P 24 Reference page P 24 Reference...

Page 19: ...ng the trigger board Disconnect the connector from the trigger board Remove two screws and then the trigger board Fit a new trigger board and connect the connector 1 2 3 Replacing the discharge board...

Page 20: ...ect connectors 1 2 3 Disconnect the W D LED connector Disconnect the W D LED connector from the head board Loosen one screw to remove W D LED Fit a new W D LED and connect the connector 1 2 3 Replacin...

Page 21: ...and then the fan on the optical head Remove two screws and then the cover of fan on the optical head Remove two screws and then the cover of illuminations lamp Remove two screws and then the illuminat...

Page 22: ...it Remove two screws and then the bracket Remove three screws and then the anterior chamber lens Remove two nuts and then the anterior chamber lens stopper Fit a new anterior chamber lens solenoid Reg...

Page 23: ...t by pulling it out toward you Push a new objective lens deep into the inner part Tighten two screws to fix the objective lens 1 2 3 Replacing the switch panel board Remove six screws and then the swi...

Page 24: ...it the menu switch board and connect the connector 2 3 Replacing the lamp volume knob and the flash light intensity selection switch Remove the panel cover Remove the caps of the lamp volume knob and...

Page 25: ...hree screws and then the friction plate unit Remove three screws on the backside and then the friction plate Wipe off dirt on the black plate with a piece of dry cloth Assemble and fit the friction pl...

Page 26: ...d the optical head base Disconnect connectors from the right left selection switch Remove two screws and then the right left selection switch Fit a new right left selection switch and connect connecto...

Page 27: ...ctor from board video board USB interface board in aluminum case Remove 4 screws and lift an aluminum case Disconnect the connector from the power board Remove 7 screws and then the power board Fit a...

Page 28: ...two fan supports Fit supports to a new fan Fit the fan to the power supply and connect the connector 1 2 3 4 Replacing the camera connection board Disconnect the two connector from the camera connecti...

Page 29: ...cleaners may leave residue after cleaning Softwood stick A softwood stick approximately 10 inches 25 cm in length with its end shaved flat Do not use hard tools such as a flat head screwdriver or a pa...

Page 30: ...es approximately 2 mm off from the tip of stick Dip the tip of cleaning paper into the cleaning solution Clean a lens with a spiral motion from the center towards the rim of the lens Carefully clean t...

Page 31: ...e lightly to draw a circle little by little outside from a center with clean gauze or cleaning paper containing the mixed solution If cleaning of an object lens is completed IR filter knob is pushed i...

Page 32: ...operly connected Connect the connector between the switch panel board and the CPU board over again Cause Remedy Faulty switch Replace the monitor screen selection switch Faulty switch panel board Repl...

Page 33: ...ash lamp in excess of its useful life Replace the flash lamp For the replacement procedure see the instruction manual Faulty switch Replace the joystick unit Faulty CPU board Replace the CPU board Fau...

Page 34: ...djustment will be needed Mirror peel off Contact our company for repair After replacing the focus mirror unit mirror adjustment will be needed Cause Remedy Optical fibers separated Contact our company...

Page 35: ...tor and CPU board over again Cause Remedy Faulty CPU board Replace the CPU board Faulty video board Replace the video board Connector improperly connected Connect the connector between the video board...

Page 36: ...th dust and dirt Clean the lowpass filter CCD of a digital camera Look at P 38 How to clean up the low pass filter Cause Remedy Microcorea knob not pulled out to its proper position Not faulty Pull ou...

Page 37: ...rward from the position where the fundus working dots are properly positioned flare may disappear Internal diaphragm for photography Dislocated Contact our company for repair Cause Remedy USB cable im...

Page 38: ...dirty Clean an R L selection sensor The cleaning method of a R L selection sensor should look at P 40 the cleaning method of right and left detection Faulty R L selection sensor Replace the R L select...

Page 39: ...n the camera is placed base down as shown at right The assembled D SERIES with fundus camera may be cleaning in same way as above 2 Press the menu button to display the menu screen 3 Select Clean imag...

Page 40: ...D SERIES 5 Turn ON the power supply of Nikon D SERIES 6 Press the menu button to display the menu screen 7 Select Mirror Lock up of setup menu and make a selection with OK button 8 When you press the...

Page 41: ...ical head to the front left inspection person side and raise the navigational panel side of an optical head from the bottom Blow away the dust of a right and left detection board from the crevice betw...

Page 42: ...side and raise the navigational panel side of an optical head from the bottom Twist the dry cleaning paper around chopsticks And wipe an R L selection sensor with the chopsticks However use neither wa...

Page 43: ...shows the detail MENU SHOOTING MENU Set picture control Image quality Image size White balance ISO sensitivity settings Color space Long exp NR High ISO NR Standard Sharpening Contrast Brightness Sat...

Page 44: ...Setting Menu Item Setting Mode dial M No memory card LOCK Focus mode selector M Focus selector lock L Shutter speed 1 25 SETUP MENU 1 Turn the main command dial to set the shutter speed Menu Item Set...

Page 45: ...B extension cable there is the case that recognition of a camera is not made with a PC In that case please change the USB extension cable Be sure the camera is off when connecting or disconnecting int...

Page 46: ...sure NR OFF High ISO NR OFF ISO sensitivity settings 500 Release mode S Single frame CUSTOM SETTING MENU Menu Item Setting Slot empty release lock LOCK SETUP MENU Menu Item Setting Language English 1...

Page 47: ...n cable there is the case that recognition of a camera is not made with a PC In that case please change the USB extension cable Be sure the camera is off when connecting or disconnecting interface cab...

Page 48: ...Brightness 0 Saturation 0 Hue 1 Color space sRGB Long exp NR OFF High ISO NR OFF ISO sensitivity settings 400 CUSTOM SETTING MENU Menu Item Setting Slot empty release lock LOCK SETUP MENU Menu Item S...

Page 49: ...ce of a USB extension cable there is the case that recognition of a camera is not made with a PC In that case please change the USB extension cable Be sure the camera is off when connecting or disconn...

Page 50: ...sure NR OFF High ISO NR OFF ISO sensitivity settings 400 Release mode S Single frame CUSTOM SETTING MENU Menu Item Setting Slot empty release lock LOCK SETUP MENU Menu Item Setting Language English 1...

Page 51: ...miyakoda 1 chome Kita ku Hamamatsu City Shizuoka Pref 431 2103 Japan Sandhurst House 297 Yorktown Road Sandhurst Berkshire GU47 0QA U K Phone 44 127 693 7021 Facsimile 44 127 693 7023 Bendemannstrasse...

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Kowa K9L39F5BE, Service Manual

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