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2.3 Components and General Operation

Original version (Control PCB:Artwork No. 999-32300)

The control PCB includes the CPU (IC201), the gate array (IC202), the EP ROM (IC203)
programmed with the data necessary for typewriter operation, the SRAM (IC205) that holds the
store data, and their peripheral devices.    If the unit is equipped with the spelling checker function,
the control PCB is also equipped with a ROM (IC204).
When the power is turned on and the initial operations are completed, the CPU (IC201) begins key
scanning the keyboard through the gate array (IC202).    If key input is deemed to have been made,
the CPU (IC201) reads the data concerning the printing impression for that key, the step angle for
the motor, etc., from ROM (IC203).    The excitation phasing of the selection motor, carrier motor,
ribbon motor and LF motor is controlled by this data, and the hammer solenoid is turned on.

Block diagram

2-3

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Содержание Carrera De Luxe MD

Страница 1: ...SERVICE MANUAL Olympia Carrera De Luxe MD Electronic Typewriter EDITION 3 JUNE 2009 001 03139 03 ...

Страница 2: ...4 2 4 3 2 Selection Motor Home Position and Hammer Position Adjustment Mode 4 2 4 3 3 Carrier and Platen Position Adjustment Mode 4 2 4 4 Adjustment Procedure 4 3 4 4 1 Carrier Home Position Adjustment 4 3 4 4 2 Selection Motor Home Position Adjustment 4 5 4 4 3 Hammer Position Adjustment 4 7 4 4 4 Carrier and Platen Position Adjustment 4 8 4 4 5 Correction Tape Lift and Ribbon Tape Position Adjus...

Страница 3: ...ii 6 Lubrication and Cleaning 6 1 6 1 Lubrication 6 1 6 2 Cleaning 6 4 7 Tools 7 1 8 Troubleshooting 8 1 ...

Страница 4: ...haracters per second Key buffer 30 characters maximum Number of copies 1 original 2 copies Printing impression control Low medium high or adjustable by engineer using a short jumper SW202 on the control PCB Preset margins Pica Left 10 right 75 factory settings Elite Left 12 right 90 Micro Left 15 right 113 Tab settings 16 tabs can be set released without selecting a position Correction memory Full...

Страница 5: ...M25L 024 NAC3 Changed in Sep 2007 Drive voltage VH Selection motor Step angle 15º 24 steps rotation 2 steps character Resistance per coil 42 ohm coil Matsushita 27SIN18E9ND 42 ohm coil NMB MAT PM25L 024 NAB7 Changed in Sep 2007 Drive voltage VH LF line feed motor Step angle 15º 24 steps rotation Resistance per coil 45 ohm coil Matsushita 27SIN18ECNW 42 ohm coil NMB MAT PM25L 024 NAC0 Changed in Se...

Страница 6: ...e NEC uPD65006CW A19 or uPD65006CW A22 is a semi custom CMOS gate array in which each gate has been designed for this typewriter RAM IC205 256K bit or 1M bit CMOS static RAM manufactured by NEC and others or equivalent 2nd second version CPU IC201 NEC UPD78F1174 or UPD78F1178 is the 16 bit microprocessor The CPU builds in FROM and RAM The program is written in at FROM and memory does the store in ...

Страница 7: ...Do not incinerate 1 4 Environmental conditions Operating temperature 41ºF to 95ºF 5ºC to 35ºC Storage temperature 13ºF to 140ºF 25ºC to 60ºC Relative humidity 90 140ºF 60ºC Dimensions Width 16 8 426 mm Height 4 6 117 mm Depth 14 8 376 mm Weight 11 6 lbs 5 2 kg including the keyboard cover Note The nominal specs represent the design specs All units should approximate these specs some will exceed an...

Страница 8: ...y consists of the transformer input circuit and the control PCB printed circuit board 3 Carrier This assembly consists of the ribbon feeder lift mechanism correction feeder ribbon motor hammer solenoid printing mechanism selection mechanism and left end switch 4 Keyboard This assembly consists of the keyboard panel membrane sheet keyboard support panel and key tops 5 Housing This assembly consists...

Страница 9: ...he CPU and SRAM and transistors drive and control the stepping motors hammer solenoid etc The store data is stored in SRAM The LCD displays text and information on functions 3 Keyboard The keyboard assembly consists of the keyboard panel membrane sheet 8 8 key matrix keyboard support panel and key tops 4 Actuator and left end switch The carrier platen selection and ribbon correction tape mechanism...

Страница 10: ...ker function the control PCB is also equipped with a ROM IC204 When the power is turned on and the initial operations are completed the CPU IC201 begins key scanning the keyboard through the gate array IC202 If key input is deemed to have been made the CPU IC201 reads the data concerning the printing impression for that key the step angle for the motor etc from ROM IC203 The excitation phasing of ...

Страница 11: ...he CPU IC201 is equipped FROM in 512K byte When the power is turned on and the initial operations are completed the CPU IC201 begins key scanning the keyboard If key input is deemed to have been made the CPU IC201 reads the data concerning the printing impression for that key the step angle for the motor etc from FROM in CPU IC201 The excitation phasing of the selection motor carrier motor ribbon ...

Страница 12: ...ircuit Diagrams and Layouts 3 1 Power Supply Power supply assembly diagram for Original version Control PCB Artwork No 999 32300 Connection diagram for Original version Control PCB Artwork No 999 32300 3 1 ...

Страница 13: ...Power supply assembly diagram for 2nd version Control PCB Artwork No 999 35810 Connection diagram for 2nd version Control PCB Artwork No 999 35810 3 2 ...

Страница 14: ...3 2 Keyboard Keyboard layout Keyboard contact layout membrane sheet 3 3 ...

Страница 15: ...Keyboard contact diagram keyboard matrix 3 4 ...

Страница 16: ...ontrol PCB Artwork No 999 32300 Matsushita motor 2nd version Control PCB Artwork No 999 35810 NMB MAT motor Selection motor Original version Control PCB Artwork No 999 32300 Matsushita motor 2nd version Control PCB Artwork No 999 35810 NMB MAT motor 3 5 ...

Страница 17: ...Artwork No 999 32300 Matsushita motor 2nd version Control PCB Artwork No 999 35810 NMB MAT motor Ribbon motor Original version Control PCB Artwork No 999 32300 Matsushita motor 2nd version Control PCB Artwork No 999 35810 NMB MAT motor 3 6 ...

Страница 18: ...rams Hammer solenoid Original version Control PCB Artwork No 999 32300 2nd version Control PCB Artwork No 999 35810 Left end switch Original version Control PCB Artwork No 999 32300 2nd version Control PCB Artwork No 999 35810 3 7 ...

Страница 19: ...3 5 LCD LCD layout Epson ECM A0697 type JIC MSBZ9129 type 3 8 ...

Страница 20: ...LCD block diagram Epson ECM A0697 type JIC MSBZ9129 type 3 9 ...

Страница 21: ...3 6 Control PCB Control PCB layout Original version Control PCB Artwork No 999 32300 3 10 ...

Страница 22: ...2nd version Control PCB Artwork No 999 35810 3 11 ...

Страница 23: ...3 12 Control PCB diagram Original version Control PCB Artwork No 999 32300 ...

Страница 24: ...2nd version Control PCB Artwork No 999 35810 Page 1 3 3 13 ...

Страница 25: ...2nd version Control PCB Artwork No 999 35810 Page 2 3 3 14 ...

Страница 26: ...3 15 2nd version Control PCB Artwork No 999 35810 Page 3 3 ...

Страница 27: ...e tab key turn the power switch on Once the carrier begins moving release the margin release key and the tab key 3 After the initial operations are completed the self printing test begins The LCD display turns black Any cells that do not turn black indicate a malfunction for that particular cell If this happens replace the entire LCD 4 The self printing test is terminated by turning the power swit...

Страница 28: ...rrier home position is not set correctly the typewriter will beep 4 3 2 Selection Motor Home Position and Hammer Position Adjustment Mode 1 Confirm that the typewriter is in adjustment mode 2 While holding down the code key press the express key to activate the selection motor Do not turn the motor on for more than a minute as doing so places a strain on the PCB 3 The position of the hammer and th...

Страница 29: ...is as close as possible to the right marking on the front guide rail markings 2 A 4 Press the express key to activate the carrier motor 5 Set the carrier to the position just before the left end switch is turned off If the beeper is sounding loosen the adjustment screw 2 B until the beeper stops If the beeper is not sounding tighten the adjustment screw 2 B up to the position where the beeper star...

Страница 30: ...4 4 ...

Страница 31: ...ion gear stopper 4 Mount the printwheel 6 on the selection gear 3 so that the wheel set pin 3 C latches onto the printwheel guide slot Turn the selection gear 3 so that the centerline of the wheel set pin 3 C is directly lined up with the center of the hammer V notch 7 5 Loosen the two screws 1 move the selection motor 2 as indicated by the arrow and fix the printwheel in place so that the period ...

Страница 32: ...Positioning for hand tightening the selection motor and positioning for inserting the selection gears onto the selection gear shaft Printwheel hammer and selection gear adjustment position 4 6 ...

Страница 33: ...that the centerline of the hammer 1 B is lined up with the centerline of the spoke printwheel 3 A Note Fix the hammer 1 B in a position so that if you gently move the spoke printwheel 3 A with your finger the spoke moves the same amount to the left and right Confirmation Move the selection motor one character two steps at a time refer to 4 3 2 Selection Motor Home Position and Hammer Position Adju...

Страница 34: ...at the intensity of the top and bottom halves of the characters is even 5 Turn the power switch off and leave adjustment mode Original version PCB 999 32300 The printing impression is returned to the factory initial setting If the printing impression is not appropriate change the short pin connection for SW202 on the control PCB The printing impression can be changed through the software Short pin...

Страница 35: ... platen first and the top half of the character is faint or missing The character strikes the platen squarely and prints correctly The top half of the character strikes the platen first and the bottom half of the character is faint or missing 4 9 ...

Страница 36: ...ottom of the ribbon Move the ribbon base stopper 3 B down 2 Move the screw 4 A holding the lift slide plate on the ribbon cassette base back and forth adjusting the position so that corrected characters are corrected within the range specified for correction tape 2 If the top of the character is missing and there is no space at the top of the ribbon Move the lift slide plate 4 B towards you If the...

Страница 37: ...Correction tape Ribbon tape 4 11 ...

Страница 38: ...ame 4 2 After moving the carrier to the right edge move it to the left approximately 0 2 inches 5 0 mm to 0 8 inches 20 0 mm This causes the tension of the belt tension spring 1 to be applied evenly to the entire drive belt 2 3 Loosen the screw 3 A and fix the idle pulley bracket 3 in place Possible symptoms Incorrect adjustment can cause the carrier motor to step out can cause characters to be sh...

Страница 39: ...2 and the line locator 3 so that it is 0 01 to 0 02 inches 0 3 to 0 6 mm In addition the bottom lines of characters must be roughly parallel with the dotted line on the line locator 2 Tighten the left and right screws 3 A and fix the line locator 3 in place Possible symptoms Shifting of printed characters due to the paper being only loosely held in place Problems with movement due to the pressure ...

Страница 40: ...ll attached so lift the LCD cover 10 carefully 8 Disconnect the LCD cable 11 from the LCD 12 9 Remove the two screws 13 and then removes the LCD 12 from the LCD cover 10 10 Remove the LCD cable 11 from the hole 4 A in the main cabinet Remove the three screws 14 and then remove the main cabinet 4 from the bottom cabinet 15 11 Remove the three screws 16 and then removes the PCB cover 17 from the bot...

Страница 41: ... are both oriented in the same direction before attempting to connect it When attaching the main cabinet 4 to the bottom cabinet 15 be careful not to pinch the power cord and lead wires between the hooks or the cabinets Refer to 5 8 Wire Routing If the function sheet 19 A or the LCD cover sheet 19 B are removed peeled off use new ones when reassembling the unit Readjustment None 5 2 ...

Страница 42: ...5 3 ...

Страница 43: ... 4 After unhooking the two hooks 5 A at the top of the keyboard 1 free the keyboard assembly 1 from the two bottom hooks 5 B 5 Remove the screw 7 for the keyboard support panel 6 6 Free the 12 hooks for the keyboard support panel 6 7 Remove the keyboard support panel 6 and the membrane sheet 3 8 Remove the two LEDs 8 power green shift red and the contact rubber 9 from the keyboard panel 10 9 Remov...

Страница 44: ...he current ROM programmed each keyboard is no longer available Also The control PCB is changed from single sided one to double sided one and the new one is smaller size than the current one i e 88mm 3 5 inches smaller width According to the changed size of the control PCB the boss is added to mount the PCB on to the bottom cabinet and the heat sink cooling plate may be reformed and the cable of th...

Страница 45: ...5 6 ...

Страница 46: ...K English PL Polish SF2 Swiss French 2 CE Czech SG2 Swiss German 2 SO Slovak HO2 Dutch 2 T K English Thai PO Portuguese FS2 Finish Swedish 2 PO2 Portuguese 2 Reassembly Reverse the procedure described on the previous page Plug the LCD cable 21 straight into the connector Push the connector housing back into its original position Lift the connector housing 4 A Note Do not bend the flat cables 3 A 2...

Страница 47: ...Original version Control PCB Artwork No 999 32300 5 8 ...

Страница 48: ...2nd version Control PCB Artwork No 999 35810 5 9 ...

Страница 49: ...9 32300 the gate array IC202 is the NEC uPD65006CW A19 and the EP ROM IC203 is suited for the previous keyboard specifications and is not compatible with the spelling check function Ver 1 0 Conversion work Replace the gate array IC202 with the NEC uPD65006CW A22 replace the EP ROM IC203 with one that is suited for the previous keyboard specifications and is compatible with the spelling check funct...

Страница 50: ... bit mask ROM Ver 3 0 that is suited for the previous keyboard specifications Remove the jumper wire from J207 and J209 and connect the jumper wire to J206 and J208 Case 4 When the control PCB artwork number is 999 32300 the gate array IC202 is the NEC uPD65006CW A22 and IC203 is a 4M bit mask ROM Ver 3 0 suited for the previous keyboard specifications Conversion work None needed 1 Remove the hous...

Страница 51: ... left shaft of the platen 5 7 Pull the platen gear 8 platen washer 9 platen arc washer 10 and platen journal 4 from the left shaft of the platen 5 8 Remove the paper pan 11 on the left and right protrusions 2 C of the center frame 9 Push the four feed rollers 12 out from the bottom of the paper pan 11 and remove them 10 Lift the right side of the paper release arm 13 slightly slide it to the left ...

Страница 52: ...5 13 ...

Страница 53: ... motor bracket 17 and then remove the carrier motor 16 8 Remove the belt tension spring 19 9 Remove the screw 20 and then remove the idle pulley bracket assembly 21 10 Remove the E ring 22 and then remove the idle pulley 23 11 Pull the drive pulley shaft 24 out from the back of the frame 7 the drive pulley 25 drive pulley cap 26 and the drive belt 27 can now be removed Only Original version Contro...

Страница 54: ... they are not bent or warped Change for LF and Carrier motors The production for the motors was just discontinued by Matsushita Panasonic Manufacturing Co Ltd so that these motors were replaced with NMB MAT Minebea Motor Manufacturing Corporation No Parts Effect production Old Parts No New Parts No 4 LF motor From September 2007 Matsushita 27SIN18ECNW 150 63010 NMB MAT PM25L 024 NAC0 980 10650 6 L...

Страница 55: ...5 16 ...

Страница 56: ... and then remove the lift pin spring 18 and the lift pin 7 from the lift slide plate 16 11 Remove the screw 20 for the gear holding base 19 Remove the gear holding base 19 from the carrier box 1 12 Once the E ring 22 on the right end of the ribbon drive shaft 21 is removed the correct cam 8 the two drive ratchets 23 the ribbon drive gear 24 and the drive bevel gear 25 can be removed Note Although ...

Страница 57: ...e the carrier box is an assembly be aware that repeated re attachment of the gear holding base 19 etc will cause the screws to lose their gripping ability If the drive ratchets 23 are re attached with the wrong orientation the correct cam 8 and the drive bevel gear 25 will turn in either direction In this case reverse the orientation of the drive ratchets and then attach the ribbon drive gear 24 R...

Страница 58: ...5 19 ...

Страница 59: ...he left end switch 16 out of the carrier box Be careful not to break the protrusion 6 A 9 Remove the two screws 17 and remove the selection motor 18 from the selection plate completes 7 10 Remove the wheel set hook 20 from the wheel hook screw 19 Note Original and new March 94 parts 19 and 20 are not mutually interchangeable 11 Remove the selection gear stopper 21 from the selection plate complete...

Страница 60: ...y Refer to 4 4 2 Selection Motor Home Position Adjustment Hammer home position adjustment will be necessary Refer to 4 4 3 Hammer Position Adjustment Carrier and platen position adjustment will be necessary Refer to 4 4 4 Carrier and Platen Position Adjustment Rail slide position adjustment will be necessary Refer to 4 4 4 Carrier and Platen Position Adjustment Make sure that the ribbon motor gear...

Страница 61: ...5 22 ...

Страница 62: ...the power switch 2 B from the bottom cabinet 1 Remove the lead wires 2 C from the bottom cabinet 1 as well 4 Remove the two screws 5 Remove the transformer 2 D from the bottom cabinet 1 Note Do not remove the unit band for 230V 6 A cord tube for 120V 6 B or ferrite core 6 C unless necessary Reassembly Reverse the procedure described above Note Refer to 5 8 Wire Routing for details on the routing o...

Страница 63: ...5 24 ...

Страница 64: ...ol PCB side 1 Power supply cord and power switch White 2 pins White CN201 2 Carrier motor Yellow Matsushita motor 6 pins White NMB MAT motor 6 pins Yellow CN204 3 LF motor White 6 pins White CN205 Original version Control PCB Artwork No 999 32300 2nd version Control PCB Artwork No 999 35810 5 25 ...

Страница 65: ...int 14 pins White CN210 Carrier No Lead wires Connector for lead wires side Connector for control PCB side 1 Selection motor White 6 pins White CN202 2 Hammer solenoid Red 2 pins Red CN206 3 Ribbon motor Red 6 pins Red CN203 4 Left end switch White 2 pins White CN207 Bottom view 5 26 ...

Страница 66: ...Original version Control PCB Artwork No 999 32300 2nd version Control PCB Artwork No 999 35810 5 27 Note When setting the lead wire bundle in the bottom cabinet do so with the carrier positioned at the right end ...

Страница 67: ...eration Lubricants and the locations where they are to be applied are shown below Number Type of lubricant Sumico Sumitec 331 Mobil Mobilith SHC 15 Mobil Mobilith SHC 460 1 Dow Corning Molykote EM 60L 2 Mobil Gargoyle Arctic SHC 226 Sumico Sumitec HD Grease 2 3 Dow Corning Molykote BR2 Plus Grease 2 LF motor 6 1 ...

Страница 68: ...Chassis frame and platen 6 2 ...

Страница 69: ...Carrier drive Hammer solenoid 6 3 ...

Страница 70: ... components should be removed for cleaning Platen Remove the platen Dampen a clean cloth with alcohol and wipe away dust and debris on the surface of the platen After cleaning the platen do not use the typewriter until the alcohol has evaporated Printwheel Remove the printwheel from the carrier Dampen a clean cloth with alcohol and wipe the spokes of the printwheel After cleaning the printwheel do...

Страница 71: ...rs 5 5 mm 6 0 mm 7 0 mm 6 Wire cutter Nippers 7 Soldering iron and solder 8 Spring hook 9 Precision Jeweler s screwdrivers 10 Multimeter Tester 11 Oscilloscope 12 Ruler 13 Calipers 14 Gap gauge Thickness Feeler gauge 15 Tweezers 16 E rings 2 0 mm 2 5 mm 3 0 mm 4 0 mm 6 0 mm During re assembly new E rings should be used since they become loose after being removed two or three times 7 1 ...

Страница 72: ...d Replace 3 3 5 4 5 6 The LCD cable is not connected Connect the connector 3 5 3 6 5 1 5 2 The LCD has failed Replace 3 5 5 1 5 2 IC CPU ROM gate array etc or Reset IC has failed Replace 3 6 5 2 The control PCB has failed Replace 3 6 5 2 3 Beeper The beeper does not sound The beeper BZ201 has failed Replace 3 6 5 2 IC CPU ROM gate array etc or Reset IC has failed Replace 3 6 5 2 The control PCB ha...

Страница 73: ...just the line locator 4 4 7 5 3 6 Printing Printed characters do not appear at all on the paper The connector CN206 CN208 or CN209 is not connected Connect the connector 3 2 3 6 5 2 The hammer solenoid has failed Replace 3 3 5 6 The ribbon has been used up or has broken Replace Ref to operating instructions IC CPU ROM gate array etc TR201 TR203 control PCB 999 32300 TR204 TR207 control PCB 999 358...

Страница 74: ...r The ribbon base stopper adjustment plate or rail slide is positioned incorrectly Adjust the positions 4 4 4 4 4 5 5 5 5 6 The ribbon cassette is used up Replace Ref to operating instructions 7 Correction When making corrections either the ribbon cassette base does not lift up or the correction is not made The connector CN203 is not connected Connect the connector 3 3 3 6 5 6 The correction tape ...

Страница 75: ...uctions The ribbon cassette has failed Replace Ref to operating instructions The connector CN203 is not connected Connect the connector 3 3 5 2 The ribbon motor has failed Replace 3 3 5 6 IC CPU ROM gate array etc TRA203 control PCB 999 32300 or TR212 215 control PCB 999 35810 has failed Replace 3 6 5 2 The control PCB has failed Replace 3 6 5 2 9 LCD The LCD does not display anything The connecto...

Страница 76: ...Printed in Japan 001 03139 03 090616 FN AX160VF OP ...

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