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Содержание ESL Series

Страница 1: ...SERIES SERVICE MANUAL AUG 1985 EIKI INDUSTRIAL CO LTD 4 12 Manzai eho Kita ku OSAKA JAPAN Phone 06 311 9479 EIKI INTERNATIONAL INC 27882 Camino Capistrano P O BOX 30000 Laguna Niguel CA 92677 8000 Ph...

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Страница 3: ...25 4 3 Motor Module 26 44 Transformer Module 26 4 5 Film Shoe And Bracket Assy Lens Holder Assy And Film Gate Assy 26 322 5 MODULE REPAIR AND ADJUSTMENTS 5 1 Cam Tank Module A Specifications 28 B Disa...

Страница 4: ...oop Setter System A Description 52 B Adjustments 53 6 4 Loading Mechanism A Description 56 B Adjustments 58 1 1 Sprocket shoe and roller assy Sprocket drive 58 2 Upper loop former and film guard 59 3...

Страница 5: ...etic Sound Playback System A Description 70 B Alignment 70 1 Tools and equipment 70 2 Set up procedure 322 8 LAMP CIRCUIT 8 1 Lamp Circuit A Description 72 B Replacement And Alignment 72 322 9 ELECTRI...

Страница 6: ...nience in identification only When ordering replacement parts refer to SSL ESL replacement parts list 3 EIKI SSL ESL projectors may in the future be improved or modified Modifications made after the i...

Страница 7: ...20V Main Power UL CSA only This manual will cover the mechanical functions of all three groups together as they are very similar In the electrical section each model group will be treated separately 1...

Страница 8: ...20 volt lamps All models except SSL OL 4 volt 0 75 amp type BRK 50mm 2 F 1 2 6 element 160 lines center resolution standard 24 frames second standard sound speed 2 or 3 blade optional 2000 600m Rotary...

Страница 9: ...ion Motor runs advancing the film forward Projection lamp is on for forward projection Motor is off and the film stops Turn Function Switch counter clockwise to Rewinds the film through the film path...

Страница 10: ...stralia SEMKO Sweden NEMKO Norway FEMKO Finland DEMKO Denmark specific models are manufactured to meet such regulations including the option of 50 60Hz sound only 50Hz sound silent 60Hz sound silent o...

Страница 11: ...ESL 1 2 are standard with two 16 ohm 12 5cm speakers built in the front cover also with one 8 ohm 10 x 15cm speaker built in the rear cover Model SSL 0 and SSL 02 are standard with one 8 ohm 10 x 15cm...

Страница 12: ...to use the largest blade possible 5 To avoid possible electrical shock always disconnect the projector from the power source when servicing 3 2 TOOLS AND TEST EQUIPMENT A Tools When servicing El Kl SS...

Страница 13: ...e amplifier the following equipment and test films would be essential a Vom Voltage Ohm meter b Oscilloscope c Audio AC VTVM d Wow Flutter Metter e 400Hz SMPTE Test Film f 3 l 50Hz Wow Flutter SMPTE T...

Страница 14: ...l 3 1 Sprocket Drum Shaft Petroleum 5631 11 Tension Guide Roller Silicone Oil 5632 Oil 10 4 Upper Loop Forming Molybdenum 5628 12 Tension Guide Roller Arm Silicone Oil 5629 Guide Roller Disulfide Fulc...

Страница 15: ...fide 100 Grease 20 Flywheel Bearings Silicone 5625 31 Wire Guide Molybdenum 5628 Grease Disulfide 21 Loop Setter Gear Silicone Oil 5629 Grease 100 32 Supply Arm Spindle Petroleum 5631 22 Loop Setter I...

Страница 16: ...ional system or module c Replace or repair that system or module a Isolate the trouble within the module b Locate and repair the specific trouble B Checking Semiconductors With A VOM a Set the ohms sc...

Страница 17: ...ally available parts A nine pin miniature tube socket and male plug can be wired as an extension power cable allowing the ampli fier to be operated away from the projector The solar cell and exciter l...

Страница 18: ...unction switch opened UL type only again See Sec 5 3 position jl 2 Defective microswitch l 3 2 Check or replace See Sec 9 1 4 3 Defective motor connectors or 3 Check and repair See Sec 5 3 not plugged...

Страница 19: ...epair See Sec 5 3 in forward wiring 3 Mechanical linkage loose or out 3 Check and repair See Sec 6 4 of adjustment 5 Function switch does not fol 1 Loose function switch knob 1 Reposition and tighten...

Страница 20: ...he STOP linkage See Sec 6 4 B 6 position 2 Sound drum tension roller may 2 Check roller if loose realign be out of position tighten screws See Sec 6 4 B 7 9 Film does not engage at the 1 Sprocket shoe...

Страница 21: ...Sec 6 1 incorrectly 17 Insufficient take up tension 1 Take up tension adjusted too 1 Re adjust See Sec 6 1 or no take up loose 2 Worn or oily belt 2 Clean or replace 3 Binding spindle shaft 3 Clean lu...

Страница 22: ...Sec 6 1 5 Loop setter continues to 5 See loop setter 6 3 activate 6 Insufficient claw protrusion 6 Adjust See Sec 5 1 D 7 Film shoe tension spring too 7 Check adjust See Sec 5 5 strong 8 2 Sprocket s...

Страница 23: ...etely See Sec 6 4 11 Worn cam 11 Check replace See Sec 5 1 D 12 Inner guide rail worn or bind 12 Check replace or clean ing See Sec 5 5 13 Outer guide rail loose 13 Check tighten See Sec 5 5 14 Worn c...

Страница 24: ...ewind 1 Rewind gears not fully en 1 Adjust position of rewind gears gaged activating lever See Sec 6 5 2 Worn or defective rewind gears 2 Replace See Sec 6 5 30 Uneven focus 1 Projector not facing scr...

Страница 25: ...ine line voltage 32 Insufficient illumination 1 Weak lamp or incorrect lamp 1 Check replace other than El Kl ELC type SSL OL other than EWG or EY K 120V 300W type 2 Hi low switch in the low posi 2 Swi...

Страница 26: ...ated 10 Check repair or replace or open See Sec 6 4 B 2 34 No sound Exciter lamp is on 1 Amplifier volume is too low 1 Check adjust 2 Function switch not in the 2 Check See Sec 9 1 or position 3 Sound...

Страница 27: ...agnetic reproduce 3 Replace See Sec 7 2 head 4 Mag opt switch defective 4 Replace 5 Defective amplifier module 5 Replace 37 Poor sound or low volume 1 Dirty magnetic head 1 Clean magnetic only 2 Head...

Страница 28: ...7 Defective amplifier module 7 Repair or replace See Sec 5 2 42 Excessive wow and flutter 1 Flywheel is not installed 1 Check install 2 Insufficient flywheel plate 2 Adjust by bending or replace sprin...

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Страница 30: ...djustment of claw and No 2 sprocket teeth timing is necessary and critical See section 5 1 Also check loop setter timing adjustment See section 6 3 4 2 AMPLI Fl ER MODULE 1 Remove flywheel 2 Unplug th...

Страница 31: ...uld be taken that the wires are routed away from any moving parts of the projector Fig 10 Fig 11 4 5 Fl LM SHOE AND BRACKET ASSY LENS HOLDER ASSY Fl LM GATE ASSY A Film Shoe and Bracket Assy 1 Set fun...

Страница 32: ...heft lock screw secures the lens Fig 13 C Film Gate Assembly Removal 1 Turn the rotary switch to STOP position 2 Remove the No 1 sprocket shoe bracket assy by loosening the set screw 3 Remove the film...

Страница 33: ...If necessary turn the shutter blade 39 to expose the screws The heat filter glass Arm assy 54 can stay on the cover plate In reassembling the cover plate make sure the spring 55 is seated in correct p...

Страница 34: ...ate the cam area with a small amount of molybdenum disulfide grease and moisten the felt with a few drops of molybdenum oil 7 If the shutter blade has not been removed from the hub no synchronization...

Страница 35: ...slightly loosen the two screws C of the fulcrum assy shown in Fig 17 1 Framing Adjustment This is best accomplished with the projector running showing a shop test film With the framing control lever...

Страница 36: ...as indicated in fig 21 22 Upon completion of the position adjustment tighten the fulcrum assy screws and re check the framing range with the projector running Fig 21 BEFORE PULL DOWN Fig 22 AFTER PULL...

Страница 37: ...pitch of the perforations this would help prevent any film damage Fig 24 2 Adjusting of The Claw Pitch a Moving the fulcrum control assy Fig 25 shows the correct position between the cam and the cam f...

Страница 38: ...rs can be mounted on the shutter hub The mounting holes used to secure the blades to the hub allow a small adjustment for shutter blade timings Incorrect shutter timing results in what is commonly cal...

Страница 39: ...mode the wire cable tension is released dropping the 54 heat filter in front of the projection lamp At the same time the RUN STILL lever moves the shutter 39 and clutch hub assembly away from the shut...

Страница 40: ...Still PictureClutch Mechanism in RUN Position Fig 30 Still Picture Clutch Mechanism in STILL Position Fig 31 35...

Страница 41: ...stment is critical for proper clutch action If the space is too large the clutch will not release in still and if the space is smaller the clutch will slip in run b The correct position of the heat fi...

Страница 42: ...heat filter lever Fig 33 The heat filter lever is spring loaded and in the still position the cable should provide sufficient slack to allow the heat filter to drop in front of the lamp c The above ad...

Страница 43: ...is supplied from the 46V AC secondary windings of the trans former through pins 1 2 of the 9 pin socket MT 9P dual diodes D 4 5 bridge rectifier filtered by capacitor C 35 providing the amplifier volt...

Страница 44: ...the tone controls the signal is coupled to the pin 2 of IC 2 AN 370 via C 18 and R 15 and IC 2 The output of IC 2 pin 6 is coupled through C 23 and R 20 to VR 3 volume control The wiper of VR 3 is cou...

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Страница 46: ...RD Note 1 VR 1 VR2 are positioned at CD CD Note 2 All DC voltage is measured to chassis ground Note 3 For SSL ESL 0 1 models JlO Jl 1 are short circuited Note 4 Jumper wire J3 J4 J5 J6 J7 J8 for all m...

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Страница 49: ...MODULE A SPECIFICATION 1 AC Induction type 2 1 20HP 3 100 120V and 220 240V 4 Power consumption 144 168W 120V 1 2A or 220 240V 0 7A 5 Starting Torque 1 6kg cm 6 Rated Torque 0 8kg cm B MOTOR CIRCUIT...

Страница 50: ...z or 18 24 FPS at 60Hz models are available To convert from 18 FPS to 24 FPS or vice versa follow the same step asabove Fig 42 MOTOR SHUTTER MOTOR BELT OPERATION PULLEY ASSY PULLEY ASSY 100 110 120V o...

Страница 51: ...le inner guide rail 12 is mounted by two shoulder screws and adjusted by the side pressure spring 14 The side pressure control lever 10 is linked to the film loading mechanism controlled by the functi...

Страница 52: ...m shoe 1 is mounted to a bracket 3 and is easily removable as an assembly for cleaning and servicing the film gate The film shoe and bracket assembly is then seated in the reception bracket 9 The rece...

Страница 53: ...tain an even focus condition then secure the small phillip screws Fig 47 b Film Shoe Pressure The pressure of the film shoe against the film is maintained by two small tension springs between the shoe...

Страница 54: ...the motor is reversed disengaging the clutch cam 31 removing all drive to the take up arm In forward the drive is transmitted via the drive pulley 5 to the arm belt and the take up spindle 6 The amoun...

Страница 55: ...the reel size Torque in excess of 150 grams should not be permitted on small film reels Under normal operation where small to medium size reels are used the tension screw should be adjusted to where i...

Страница 56: ...serves as a drag to provide a small amount of back tension to the film The amount of back tension is controlled by spring 17 s tension For a more complete description of the supply arm refer to the re...

Страница 57: ...rom the stop plate 14 While the protruding tab on the interlocking bracket is pushing the stop plate the film is seated in the 1 sprocket shoe and the film gate is completely closed The loop setter ro...

Страница 58: ...the aperture plate the film shoe and sound drum when rewinding To adjust the roller position set the function switch to STOP Loosen the set screw on the loop setter interlocking arm position the loop...

Страница 59: ...Fig 58 CAUTION Avoid over bending Too much of a bend will cause the interlocking arm to release too early forming too small a lower loop 3 Loop Setter Gear And Main Drive Belt Clearance The correct cl...

Страница 60: ...the projector While observing the loop setter insert a finger in the upper loop causing the lower loop to loose one frame With only one frame lost the loop setter will not activate Loose one more fram...

Страница 61: ...by a single rotary function switch The action of the function switch activates a series of levers cams and roller arms in the sequence described below 1 When the function switch is at the STOP positio...

Страница 62: ...loading mechanism is closed forming the upper and lower loops while seating the film in 1 and 2 sprockets CORRESPONDING MAIN INTERLOCKING BRACKET MECHANISM IN THE STOP POSITION CORRESPONDING MAIN INTE...

Страница 63: ...ld be in contact with the top inside of the 1 sprocket shoe cover assy 23 The spring tension keeping the shoe roller up during film loading can be adjusted by the position of the arm mounted to the en...

Страница 64: ...etween the top edge of the upper loop guide bracket till the projector s chassis is approximately 13mm Position D When the upper loop is lost due to the bad film with a series of damaged Fig 72 perfor...

Страница 65: ...the function switch toward MIC Observe the movement of the arm tip which should slide on the plate spring to the right and seat as in Fig 76 This corresponds with the upper loop forming guide roller...

Страница 66: ...smoothly Note 2 The arm tip should not be positioned below the curved point on the plate spring as Fig 80 In the event of the incorrect position as Fig 80 the following troubles may be ex pected 1 The...

Страница 67: ...ewind If the claw does not clear the shutter locate the bent shutter blade and re form to clear the claw 2 Forward Check the position of the reception arm as described in Sec 6 4 B 1 b 5 Lower Loop Fo...

Страница 68: ...t to travel downward slightly In REWIND the roller is raised up by the interlocking bracket to clear the film path d Adjustment To adjust the tension roller s position remove the control pannel and tu...

Страница 69: ...nd flutter A weak spring should be replaced A properly adjusted tension roller should ride in the middle of it s travel 8 2 Sprocket Shoe Adjustment The 2 Sprocket Shoe Assembly closes around the 2 sp...

Страница 70: ...rive gear A to Band to the drive pulley shaft belt and spindle Fig 93 B Adjustments 1 Rewind Mechanism A 0 5mm clearance between the two mating drive gears is critical for correct rewind engagement Th...

Страница 71: ...tension of the film The flywheel is free to slip on the sound drum shaft during the initial start up of the projector to prevent any possible film damage The flywheel brake mounted on the main interl...

Страница 72: ...B Sound Focus Alignment Procedure 1 Tools and Equipment Required a Screw driver set Iso b Sound lens adjustment tool Tool No 320 02T Fig 100 c SMPTE sound focus test film 7000Hz d SMPTE buzz track te...

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Страница 74: ...sistor a more precise alignment can be achieved Observe the 7000Hz sine wave at both full volume and a lower volume at the same time adjusting the rotation and up or down position of the sound lens fo...

Страница 75: ...dummy load resistor g External speaker front cover 2 Set Up Procedure a Remove lamp house cover b Set the function control to STOP c Load the magnetic test loop oxide side toward the head d Turn the...

Страница 76: ...alignment 2 With the Oscilloscope connected across the load resistor observe the 7000Hz sine wave at full and low volume Adjust the three head alignment screws until a maxi mum P P sine wave voltage...

Страница 77: ...ent 1 Disconnect the AC power cord 2 Remove the lamp house cover 3 Remove the black heat shield cover CAUTION The shield cover may be hot 4 Push the lamp ejection lever to the left and the lamp will c...

Страница 78: ...051 Motor Forward 2 Lamp 3 Motor Rewind 4 Motor Rewind Wire Colour Type of Wire Connected to Brown 1 AWG 22 Motor 6P Connector F No 1 Brown 2 Transformer 9P Connector F No 1 Brown 3 Fuse Holder 2A Whi...

Страница 79: ...n 2 SET position 3 LAMP position 4 STOP position Wire Colour Type of Wire Connected to Orange 1 AWG 22 6P Connector Sensor Signal Blue 2 Signal Transformer White 3 AWG 18 2P Connector White 4 Transfor...

Страница 80: ...Sw Type of Sw Part No Function See 9 1 A SSL Series Wire Colour Type of Wire Connected to Blue 1 AWG 18 4P AC Terminal No 2 Brown 2 AWG 22 Motor 6P Connector F No 1 Blue 3 AWG 18 Lamp Socket Yellow 4...

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Страница 87: ...s are contained on a single P C Board 322 60201 Addressed commands are momentary contracts for the following functions set stop forward lamp rewind Mechanical operations are accomplished by means of a...

Страница 88: ...Fig 114 83...

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Страница 90: ...85 m CJ j CJ m l J m CJ m z t l J j 0 z C j C z t l J C e l J s...

Страница 91: ...m en r en m JJ m en JJ m r QC f C 0 z m JJ I m JJ JJ C C JJ l 3 86...

Страница 92: ...m CJ r CJ m m CJ tJ C CJ c OJ C 4 2 T1 C z 4 0 z t 1 c Qo r m C C r x C 4 C x s 87...

Страница 93: ...PIN NAMES Ao A11 Addresses D00 D07 Outputs CS CE Chip Enable OE Output Enable Vee Vpp Power Supply Vss GND Ground I Power Supply v00 5V Vss GND Pin 24 Pin 12 88...

Страница 94: ...s pressed A3 0 20ms A4 4 Input SET STOP with Green LED ON A4 0 As 3 input Press SET STOP Sw Red LED ON As 0 A6 2 Input Press REWIND Sw Red LED A6 0 ON A7 1 Input Press LAMP Sw Red LED ON A7 0 As 23 In...

Страница 95: ...s At REWIND 11 position REWIND 11 Sw is pressed D02 11 Output At any position other than REWINDi REWIND Sw is D02 1 20ms pressed 003 13 Output At STOP Green LED ON position SET STOP Sw or FORWARD Sw i...

Страница 96: ...WARD Sw is pressed D05 1 20ms At FORWARD position LAMP Sw is pressed At LAMP position LAMP Sw is pressed D06 16 Output At STOP Green LED ON or at D06 1 20ms SET Red LED ON or at LAMP position REWIND 1...

Страница 97: ...ED ON position 0 is completed IC4 4043 1 Output At any position other than STOP 1 Green LED ON SET STOP Sw I is pressed or when Film Guard Sw is activated and STOP Green LED ON 0 position is completed...

Страница 98: ...position SET STOP Sw or FORWARD Sw or REWIND Sw is pressed IC6 4093 10 Output Any one of the switches is pressed O 20ms IC6 4093 3 Output When the rotary Sw settles at 0 FORWARD or LAMP position IC5 4...

Страница 99: ...ESL Series P C BOARD TIMING CHART 94...

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Страница 101: ...ESL SERIES CONTROL P C BOARD Soldered Side 96...

Страница 102: ...ESL SERIES CONTROL P C BOARD Component Side 97...

Страница 103: ...m J 0 z I 0 u OJ C en C O O 0 co CD r CD CJ...

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Страница 107: ...ESL SERIES ELECTRICAL BLOCK DIAGRAM FOR STANDARD TYPE 102...

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