Spectra+ K-LED Battery & Charger Service Manual
Contents
1. 12 3 Carefully re solder the 4 wires to the new PCB P4 Black P5 Yellow P6 White P7 Blue P8 Red Issue A 28 08 2008 Page 11 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Brightness Control 1 slide the Indicator Pin 2 out of the Control Knob 5 to reveal an Allen Screw 2 Slacken the Allen Screw using a 1 5mm Allen Key Remove the Knob 5 4 Undo the Nut retaining the Control PCB Assy 16 allowing it to be removed Save the Washer 5 Carefully un solder 3 wires Brown Blue White from the Control PCB 6 Carefully re solder 3 wires Brown Blue White to the new PCB 7 Fit the new PCB Assy 16 to the Top Plate 6 ensuring that the pip on the potentiometer fits into the recess in the Top Plate 6 Fit the Washer and Nut to retain the assembly and carefully tighten it Fit the Knob 5 ensuring that the Allen Screw is lined up with the flat on the potentiometer shaft and tighten with a 1 5mm Allen Key 10 Fit the Indicator Pin 2 Lemo Plug 1 as e e e e Carefully un solder 4 wires Yellow Brown Red Black from the old Lemo Plug 7 Unscrew the nut on the back of the Lemo Plug 13 Remove the old Lemo Plug Place the new Lemo Plug 13 through the Top Plate 6 Ensure that the front threaded ring is flush with the plug body Fit the nut onto the rear of the Lemo Plug 13 and tighten it Ensure that the Yellow2. 12 up with a screwdriver blade between the underside of the Ring 12 and the inside of the Charger Top 2 and when enough is free of the Locator Sleeve 12 pulling the Ring 11 with pliers or tweezers Spread the sides of the Locator Sleeve 12 so that the flange on the LED is released and the LED can be pushed through to the inside of the Charger Top 2 Red wire and carefully un solder the Black and red wires On the replacement LED note that the longer lead is the positive connected to the Red wire Cut approximately 15mm off of each ensuring that the longer lead remains the longer to identify it as the longer Ensure that the Rubber Sleeve 15 is still on the Red wire Carefully re solder the Red wire to longer LED lead and the Black wire to the shorter lead identified by a flat on the LED Flange 8 Slide the Rubber Sleeve 15 over the connection on the Red wire 9 Ensure that the Locator Sleeve 12 is inserted into the hole on the Charger Top 2 from the front and lies flush with the face of the Charger Top 2 10 Ensure that the LED is pushed through the Ring 11 onto the LED wiring with the chamfer on the inside of the Ring 11 towards the LED 11 Holding the Locator Sleeve 12 against the face of the Charger Top 2 oush the LED into the Locator Sleeve 12 until the flange on the LED locates in the groove of the Locator Sleeve 12 Holding the LED and Locator 1
3. Introduction The instructions in this manual cover the Batteries and Chargers used with both the Spectra Indirect Ophthalmoscope and the K LED Headlight The 12 volt Switched Mode Power Supply EP39 32777 is a non repairable unit Any fault with this will require it to be replaced Issue A 28 08 2008 Page 3 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Tools Required Most of the tools required will be in a standard electro mechanical toolkit Spare Parts Parts lists are shown at the end of each section Parts not listed are generally not available as spares There are a number of parts which are common to both the Single and Double Chargers There are a number of parts which are common to both the Battery with Switch and Battery with Control Parts marked are only available as part of a kit shown at the bottom of the relevant Parts List Current prices for spare parts are available from Technical Service Technical Service Keeler Ltd Clewer Hill Road Windsor Berks SL4 4AA Phone 44 0 1753 827110 Fax 44 0 1753 827114 Issue A 28 08 2008 Page 4 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Precautions Care should be taken to carry out any repair work on a clean soft surface to minimise damage to the outside of the unit Great care should be taken to avoid short circuiting the Lithium lon Batteries as this could cause damage Do
4. Red and White wires pass through the Ferrite Bead 12 and the Brown wire does not Carefully re solder 4 wires to the Lemo Plug terminals Refer to the diagram for pin numbers Note the marking around the pins Rear wlew of Lemo socket EPT9 2o5 4 Pin 1 Yellow Pin 2 Brown Pin 3 Red Pin 4 Black Issue A 28 08 2008 Page 12 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Belt Clip 1 2 Remove the Battery 8 from the Battery Box Rear 9 Remove 2 off M1 6 x 5 Pan Head Screws 17 and 2 off M1 6 Washers 18 from the inside of the Battery Box Rear Remove the old Clip 8 4 Fit the new Clip 8 through the slot in the Battery Box Rear 9 5 Secure using 2 off M1 7 x 5 pan head Screws 17 and 2 off M1 6 Washers 18 Reassembly 1 2 Ensure that the Battery 15 is connected to the PCB 3 Lay the Battery 15 in the Battery Box Rear as shown ensuring that the Foam Strips 11 all in place Carefully fit the Top Panel 6 into the Front 10 along with the PCB 3 ensuring that the PCB 3 fits between the webs in the Front 10 and the LED on the PCB 3 fits into the hole in the Top Panel 6 Carefully put the Battery Box front 10 and Rear 9 together ensuring that the Top Plate 6 fits into the grooves on both parts and that no wires are trapped Secure the two halves together using 2 off M2 5 x 25 CSK PT Screws 1 in the back of the Rear 9 and
5. 15 from the inside of the Battery Box Rear Remove the old Clip 11 Issue A 28 08 2008 Page Keeler Spectra K LED Battery amp Charger Service Manual 4 5 Part No 2415 P 7017 Fit the new Clip 11 through the slot in the Battery Box Rear 10 Secure using 2 off M1 6 x 5 pan head Screws 13 and 2 off M1 6 Washers 15 Reassembly 1 2 Ensure that the Battery 4 is connected to the PCB 16 Lay the Battery 4 in the Battery Box Rear as shown ensuring that the Foam Strips 8 all in place Carefully fit the Top Panel 2 into the Front 9 along with the PCB 16 ensuring that the PCB 16 fits between the webs in the Front 9 and the LED on the PCB 16 fits into the hole in the Top Panel 2 Carefully put the Battery Box front 9 and Rear 10 together ensuring that the Top Plate 2 fits into the grooves on both parts and that no wires are trapped Secure the two halves together using 2 off M2 5 x 25 CSK PT Screws 1 in the back of the Rear 10 and 2 off M1 7 x 5 CSK PT Screws 14 in the bottom of the Front Issue A 28 08 2008 Page 8 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Exploded Parts Diagram Lithium Battery with Switch Issue A 28 08 2008 Page 9 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Spare Parts Lithium Battery with Switch item Part No 2 3 A 7 8 9 10 11 12 13 14 15 16 SP72 50
6. 4 11 Check that the 3 contacts move freely Issue A 28 08 2008 Page 21 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Main PCB 1 Carefully un solder 10 off connections to the Charger PCB 1 2 Remove 4 off M3 x 8 Pan head Screws 17 holding the Charger PCB 1 to the Charger Top 2 3 Remove the old Charger PCB 1 4 Fit the replacement Charger PCB 1 5 Ensure that the Resistor EP79 35563 8200 is fitted across SW1 position on the PCB as shown on the wiring diagram 6 Fit 4 off M3 x 8 Pan head Screws 17 7 Carefully re solder 10 off connections to the Charger PCB 1 Refer to the wiring diagram to ensure that all the connections are made to the correct points WIRING DIAGRAM E F ao e EP29 34315 3 Te e rs A ts F a N gt EN Fi 3 di EDE PL4 Please Mote Long LED leg Anode sie Short LED leq Cathode RP1 16406 RP 1 6 406 RP RP 1 16 40 RP 11 6463 RP RP 1 16 40 FP1L 6406 RP ALL JUNCTIONS SOLDERED j Issue A 28 08 2008 Page 22 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 LED LEDs are held in place by a Locator Sleeve 12 and Ring 11 with the flange on the LED body resting in a groove inside the Locator Sleeve 11 Slide back the Rubber Sleeve on the Carefully withdraw the Ring 11 from the Locator Sleeve 12 This may be achieved by gently levering the Ring
7. not heat or incinerate the batteries Do not dismantle the battery assemblies Solvents should not be used for cleaning Issue A 28 08 2008 Page 5 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Lithium Battery with Switch Disassembly 1 Remove 2 off M1 7 x 5 CSK PT Screws 14 from the bottom of the Battery Box front 9 2 Remove 2 off M2 5 x 25 CSK PT Screw 1 from the Battery Box Rear 10 3 The Front and Rear halves of the Box can now be parted allowing access to the remaining assembly Replacements Battery 1 Remove the old Battery 4 by carefully lifting the tongue on the white plug mounted on the PCB 16 releasing the connector on the lead from the Battery 2 Move the self adhesive foam strips from the old battery to the new battery 3 Connect the new Battery 4 by fitting the connector on the battery lead to the white plug on the PCB 16 PCB 1 Carefully un solder 4 wires Black Yellow Red White from the PCB 2 On the new PCB solder a link between P6 and P7 marked on the front of the PCB 3 Ensure that all 4 wires pass through the Ferrite Bead 12 4 Carefully re solder the 4 wires to the new PCB P4 Black P5 Yellow P6 Left Blank with link only P7 Red with link to P6 P8 White Issue A 28 08 2008 Page 6 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Switch 1 Carefully un solder 1 off Br
8. 003 EP39 23100 EP79 35512 EP39 33907 EP79 35504 RP99 99253 EP19 02576 EP19 02584 EP39 23063 EP79 10374 SP11 65001 SP71 82024 WP11 61009 1919 P 7122 1919 P 7114 Description M2 5 x 25 CSK PT Screw Top Plate On Off Switch LED Battery Pack Lemo Socket Foam Tape Battery Box Front Battery Box Rear Battery box Clip Ferrite Bead M1 6 x 4 Pan Head PT Screw M1 7 x 5 CSK PT Screw M1 6 Washer PCB Assembly Lithium Battery Fixing Kit _ only available as part of the Fixing Kit Issue A 28 08 2008 Page 10 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Lithium Battery with Control Disassembly 1 Remove 2 off M1 7 x 5 CSK PT Screws 7 from the bottom of the Battery Box front 10 2 Remove 2 off M2 5 x 25 CSK PT Screw 1 from the Battery Box Rear 9 3 The Front and Rear halves of the Box can now be parted allowing access to the remaining assembly Replacements Battery 1 Remove the old Battery 15 by carefully lifting the tongue on the white plug mounted on the PCB 3 releasing the connector on the lead from the Battery 2 Move the self adhesive foam strips from the old battery to the new battery 3 Connect the new Battery 15 by fitting the connector on the battery lead to the white plug on the PCB 3 PCB 1 Carefully un solder 5 wires Black Yellow White Blue Red from the PCB 2 Ensure that all 5 wires pass through the Ferrite Bead
9. 1 against the Charger Top 2 push the Ring 12 along the wiring and over the Locator Sleeve 1 1 Issue A 28 08 2008 Page 23 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Reassembly 1 Check that all wiring within the unit is correctly connected and clear of the 6 bosses that the Charger Base fixing screws use 2 Place the Charger Base 3 on the Charger Top 2 ensuring that is the correct way up with the recesses for the fixing screws on top 3 Fix the Charger Base 3 to the Charger Top 2 using 6 off M3 x 8 Pan Head Screws 17 Issue A 28 08 2008 Page 24 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Exploded Parts Diagram Double Charger Issue A 28 08 2008 Page 25 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Spare Parts Double Charger item Part No 2 3 A 5 6 8 9 10 11 12 13 14 15 16 17 1941 P 5369 EP19 02728 EP19 02736 EP29 33315 EP39 00849 EP39 15805 EP79 09496 EP79 35520 EP79 35547 EP79 35555 EP79 35555 EP79 35563 EP79 35627 EP79 40637 SP72 00004 SP73 00002 1941 P 7145 Description Charger PCB Charger Housing Top Charger Housing Base Charging Contact PCB Charging Pin Charger Tray Lining Padded Foot Yellow LED Green LED LED Locator Ring LED Locator Sleeve Resistor 820R Spring Insulating Sleeve M2 x 8 Pozi Pan Head Screw M3 x 8 P
10. 2 off M1 7 x 5 CSK PT Screws 7 in the bottom of the Front Issue A 28 08 2008 Page 13 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Exploded Parts Diagram Lithium Battery with Control ig i E l i I i i l il te ANGE i i i H i I H i i BF i j Issue A 28 08 2008 Page 14 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Spare Parts Lithium Battery with Control item Part No 1 2 3 5 6 7 8 9 10 11 12 13 15 16 17 18 SP72 50003 EP79 09808 1919 P 5303 EP79 09795 EP39 23071 SP71 82024 EP39 23063 EP19 02584 EP19 02576 RP99 99253 EP79 10374 EP79 35504 EP39 33907 1919 P 5223 SP11 65001 WP11 61009 Description M2 5 x 25 CSK PT Screw Indicator Pin Battery PCB Knob Top Plate M1 7 x 5 CSK PT Screw Battery Box Clip Battery Box Rear Battery Box Front Foam Tape Ferrite Bead Lemo Socket LED Battery Pack Pot PCB Assy M1 6 x 4 Pan head PT Screw M1 6 Washer Lithium Battery Fixing Kit _ only available as part of the Fixing Kit Issue A 28 08 2008 Page 15 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Single Charger Disassembly 1 Carefully remove 4 off Adhesive Foot 5 from the base of the unit This may be done by carefully inserting the point of a sharp blade under the foot ensuring that there is no danger of causing injury Rem
11. Keeler Spectra K LED Battery amp Charger Service Manual yp ALWAYS READ THE INSTRUCTIONS ee A az HALMA GROUP COMPANY Keeler Limited Clewer Hill Road Windsor Berks United Kingdom SL4 4AA Tel No 44 0 1 753 857177Fax No 44 0 1 753 830247 Issue A 28 08 2008 Part No 2415 P 7017 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 CONTENTS Introduction 3 Tools Required 4 Spare Parts 4 Precautions o Lithium Battery with Switch 6 Disassembly 6 Replacements 6 Battery 6 PCB 6 Switch 7 Lemo Plug 7 Belt Clip 7 Reassembly 8 Exploded Parts Diagram Lithium Battery with Switch 9 Spare Parts Lithium Battery with Switch 10 Disassembly 11 Replacements 11 Battery 11 PCB 11 Brightness Control 12 Lemo Plug 12 Belt Clip 13 Reassembly 13 Exploded Parts Diagram Lithium Battery with Control 14 Spare Parts Lithium Battery with Control 15 single Charger 16 Disassembly 16 Replacements 17 LEDs 17 PCB 17 Reassembly 17 Exploded Parts Diagram Single Charger 19 Issue A 28 08 2008 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Spare Parts Single Charger 20 Double Charger 21 Disassembly 21 Replacements 21 Contact Assembiy 21 Main PCB 22 LED 23 Reassembly 24 Exploded Parts Diagram Double Charger 25 Spare Parts Double Charger 26 Issue A 28 08 2008 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017
12. he Top Moulding 12 ensuring that they go in the correct positions Reassembly 1 Fit 3 off Charging Pins 7 by dropping them into the Top Moulding 12 with the flat base uppermost 2 Fit 3 off Springs 2 3 Fit the PCB 10 ensuring that the LED wires are not trapped under the PCB 10 in the contact area or under the 4 fixing bosses Check that the 3 contacts move freely Issue A 28 08 2008 Page 17 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 5 Fit 2 off M2 x 8 Pan Head Screws 7 to retain the PCB 10 6 Fit the Base Moulding 8 ensuring that the PCB 10 remains in place so that the Base Moulding 8 fits flush with the sides of the Top Moulding 12 7 Fit 4 off M3 x 8 Pan Head Screws 6 to retain the Base Moulding 8 8 Fit 4 off Adhesive Feet 5 over the screws Issue A 28 08 2008 Page 18 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Exploded Parts Diagram Single Charger Issue A 28 08 2008 Page 19 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Spare Parts Single Charger item Part No N OQO GO A 0 N N O EP59 35578 EP79 08629 EP79 08610 EP79 09496 SP73 00002 SP72 00004 EP29 30675 EP39 00849 1941 P 5377 EP29 30683 1941 P 7137 Description Spring Yellow LED Green LED Adhesive Pad Foot M3 x 8 Pozi Pan head Screw M2 x 8 Screw i Base Mouldi
13. ng Plunger Contact Single Charger PCB Top Moulding Assy Single Charger Fixing Kit _ only available as part of the Fixing Kit Issue A 28 08 2008 Page 20 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Double Charger Disassembly 1 Remove 6 off M3 x 8 Pan Head Screws 17 holding the Charger Base 3 to the Charger Top 2 Replacements Contact Assembly 1 If the Charging Contact PCB is to be replaced carefully un solder 2 wires 1 Black 1 Red from the Charging Contact PCB 4 2 Remove 2 off M2 x 8 Pan head Screws 16 holding the Charging Contact PCB 4 to the Charger Top 2 3 Remove 3 off Springs 14 revealing 3 off Charging Pins 5 4 Remove the Charging Pins 5 by turning the Charger Top 2 over taking care not to lose the pins 5 Change any faulty parts the Springs 14 and Pins 5 are silver plated and it is essential that both the Springs 14 and Pins 5 are clean to ensure proper charging of the batteries 6 Fit 3 off Charging Pins 5 by dropping them into the Charger Top 2 with the flat base uppermost 7 Fit 3 off Springs 14 8 Fit the Charging Contact PCB 4 taking care not to distort the Springs 1 4 9 Fix the Charging Contact PCB 4 using 2 off M2 x 8 Pan head Screws 17 10 Carefully re solder 2 off wires 1 Black 1 Red noting the correct polarity with the Black wire going to the contact in the centre of the Charging Contact PCB
14. ove 4 off M3 x 8 Pan Head Screws 6 holding the Base Moulding Assy 8 to the Top Moulding 12 Remove 2 M2 x 8 Pan Head Screw 7 holding the PCB 10 to the Top moulding 12 The PCB 10 may now be lifted out Note the Contacts 9 and Contact Springs 2 are no longer retained and the PCB 10 is still attached to the Top Moulding 12 by the LED wires Remove 3 off Contact Springs 2 and 3 off Contacts 9 Issue A 28 08 2008 Page 16 Keeler Spectra K LED Battery amp Charger Service Manual Part No 2415 P 7017 Replacements LEDs 1 Carefully push the LED 3 4 on the rim of its mount as shown from the inside of the Top Moulding 12 so that the LED 3 4 comes out of the front of the Top moulding 12 Push here The LED 3 4 may now be withdrawn from its mount by gently pulling on the wires The LED 3 4 may now be carefully unsoldered and replaced Note that the Red wire is soldered into the hole closest to the legend for LED1 and LED2 as appropriate Note also that LED1 is Yellow and LED2 is Green 5 Feed the LED 3 4 through its hole in the Top Moulding 12 6 Insert the LED 3 4 fully into its mount and gently push the LED in its mount back into its hole whilst gently squeezing the lugs on the mount so that the mount fits tight against the Top Moulding 12 PCB 1 Disconnect both LEDs 3 4 as described above 2 Solder the LEDs 3 4 to the replacement PCB 3 Refit the LEDs 3 4 to t
15. own wire and 1 off White wire from the Switch 3 terminals Whilst squeezing the fixing lugs against the body of the Switch 3 push the switch through the Top Plate 2 Fit the replacement Switch 3 by squeezing the fixing lugs and pushing it through the cut out in the Top Plate 2 noting that the 0 on the switch rocker is nearest to the end of the Top Plate 2 Carefully re solder 2 wires to the switch terminals Brown Terminal in the centre of the switch White Outer terminal Note that the White wire passes through the Ferrite Bead 12 but the Brown wire does not Lemo Plug 1 oe ek e oe Belt Clip 1 2 3 Carefully un solder 4 wires Yellow Brown Red Black from the old Lemo Plug 7 Unscrew the nut on the back of the Lemo Plug 7 Remove the old Lemo Plug Place the new Lemo Plug 7 through the Top Plate 2 Ensure that the front threaded ring is flush with the plug body Fit the nut onto the rear of the Lemo Plug 7 and tighten it Ensure that the Yellow Red and White wires pass through the Ferrite Bead 12 and the Brown wire does not Carefully re solder 4 wires to the Lemo Plug terminals Refer to the diagram for pin numbers Note the marking around the pins Rear wlew of Lero socket EPS9 saa4 Pin 1 Yellow Pin 2 Brown Pin 3 Red Pin 4 Black Remove the Battery 4 from the Battery Box Rear 10 Remove 2 off M1 6 x 5 Pan Head Screws 13 and 2 off M1 6 Washers
16. ozi Pan Head Screw Fixing Kit K LED Duo Charger _ only available as part of the Fixing Kit Issue A 28 08 2008 Page 26
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