Star Micronics lC-10 Technical Manual Download Page 97

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5-2-2.

Parts List

Main Logic Board (Parallel Type Ver.1.5)

DRWG.NO. REV. PARTS NO.

PARTS NAME

Q'TY

REMARKS

RANK

IC1

08250001

CPU M50734SP-10

IC2

08220116

EPROM 27512-150NS

NX1P.2* :FOR MONO

08220116

EPROM 27512-150NS

NX1P.2*.CL :FOR CL

IC3

08221002

SRAM HM6264P-100NS

IC4

08240013

GATE ARRAY D65006CW-LC2

IC5

08210017

TTL IC 74LS05

IC6

08200109

IC-RESET M51953BL

TA201-202 *4

07650031

TRANSISTOR ARRAY STA401A

07650040

TRANSISTOR ARRAY MP4101

TR1

07011752

TRANSISTOR 2SA1266*

TR2-5

07227853

TRANSISTOR 2SC1740SE

TR6-14

07320101

TRANSISTOR 2SD2010

TR201-202

07113591

TRANSISTOR 2SB1359

08000039

DIODE 1S1588

08000096

DIODE 1S2076A*A

D201-202

08000044

DIODE 1SR139-100AT

D203

93930006

JUMPER WIRE STP122

RA1

06584720

RESIS. ARRAY 4.7K-OHM 1/8W 4EL

RA2

06584728

RESIS. ARRAY 4.7K-OHM 1/8W 6EL

06581824

RESIS. ARRAY 1.8K-OHM 1/8W 6EL

06581823

RESIS. ARRAY 1.8K-OHM 1/8W 6EL

RA3

06584729

RESIS. ARRAY 4.7K-OHM 1/8W 8EL

RA4

NOT MOUNTED

RA5

06581028

RESIS. ARRAY 1 K-OHM 1/8W 9EL

RA6

06584720

RESIS. ARRAY 4.7K-OHM 1/8W 4EL

RA7

06584729

RESIS. ARRAY 4.7K-OHM 1/8W 8EL

06051525

RD RESISTOR 1.5 K-OHM 1/6W

R2-10

06054725

RD RESISTOR 4.7 K-OHM 1/6W

R11

06054725

RD RESISTOR 4.7 K-OHM 1/6W

06051025

RD RESISTOR 1 K-OHM 1/6W

R12

06051014

RD RESISTOR 100 OHM 1/6W

R13

06054725

RD RESISTOR 4.7 K-OHM 1/6W

R14

06054725

RD RESISTOR 4.7 K-OHM 1/6W

06051025

RD RESISTOR 1 K-OHM 1/6W

R15

06051034

RD RESISTOR 10 K-OHM 1/6W

R16

06051514

RD RESISTOR 150 OHM 1/6W

R17-19

06054725

RD RESISTOR 4.7 K-OHM 1/6W

R20

06051034

RD RESISTOR 10 K-OHM 1/6W

R21

06052224

RD RESISTOR 2.2 K-OHM 1/6W

R22

06051034

RD RESISTOR 10 K-OHM 1/6W

R23

06051051

RD RESISTOR 1 M-OHM 1/6W

R24-25

06051034

RD RESISTOR 10 K-OHM 1/6W

R26-34

06053314

RD RESISTOR 330 OHM 1/6W

R35

06054725

RD RESISTOR 4.7 K-OHM 1/6W

R36

06054734

RD RESISTOR 47 K-OHM 1/6W

R37

06051514

RD RESISTOR 150 OHM 1/6W

R38

NOT MOUNTED

R39-42

06054725

RD RESISTOR 4.7 K-OHM 1/6W

R43-44

NOT MOUNTED

R45

06058224

RD RESISTOR 8.2 K-OHM 1/6W

R46-50

06054725

RD RESISTOR 4.7 K-OHM 1/6W

R101-110

06052714

RD RESISTOR 270 OHM 1/6W

R201

06200274

RN RESISTOR 2.7 OHM 2W 2%

R202

06022206

RD RESISTOR 22 OHM 1/2W

R203-204

06051034

RD RESISTOR 10 K-OHM 1/6W

R205-208

06051025

RD RESISTOR 1 K-OHM 1/6W

Summary of Contents for lC-10

Page 1: ...DOT MATRIX PRINTER NX 1000SERIES LC 10SERIES TECHNICAL MANUAL NINTH EDITION ...

Page 2: ... are subject to change without notice All efforts have been made to ensure the accuracy of the contents of this manual at the time of going to press However should any errors be detected STAR would greatly appreciate being informed of them The above notwithstanding STAR can assume no respon sibility for any errors in this manual Copyright 1987 Star Micronics Co Ltd ...

Page 3: ...ER Parallel Type Monochrome LC 10 II MULTI FONT PRINTER Parallel Type Monochrome This manual is divided into the following sections Chapter 1 General Specifications Chapter 2 Theory of Operation Chapter 3 Adjustments Chapter 4 Parts Replacement Chapter 5 Maintenance and Lubrication Chapter 6 Troubleshooting Chapter 7 Parts List Ver 1 and Ver 1 5 Chapter 8 Parts List Ver 2 Appendix Explanation of P...

Page 4: ...al Specifications 3 1 1 Parallel Type 3 1 2 Commodore Type 4 2 External Appearance and Composition 7 2 1 Names of Parts 7 2 2 DIP switch settings 9 3 Connector Signals 11 3 1 Parallel Interface 11 3 2 Commodore Interface 12 1 2 3 4 5 6 7 8 A ...

Page 5: ... 2 GENERAL SPECIFICATIONS ...

Page 6: ...characters Max 192 draft or 78 NLQ International character sets 14 sets USA France Germany England Denmark I Denmark II Sweden Italy Spain I Spain II Japan Norway Latin America Denmark Norway Dot matrix size Character matrix 9 9 dots Draft pica 18 23 dots Courier and Orator pica 18 18 dots Sanserif pica elite 12 11 dots IBM block graphics pica 18 19 dots Courier and Orator elite 18 12 dots Condens...

Page 7: ...7 30360 Amphenol 1 2 Commodore Type Printing Printing method Serial impact dot matrix Print speed 120 characters per second in Draft pica 30 characters per second in NLQ pica Data buffer 1 line buffer Paper feed 2 7 inches second during page feed Friction and push tractor feed Printing direction Draft bi directional or unidirectional selectable logic seeking NLQ and graphics unidirectional logic s...

Page 8: ... 5 8 5 inches wide 0 07 0 10 mm thick Fanfold paper 4 10 inches wide 0 07 0 10 mm thick single ply Max 0 28mm thick 3 ply Printer Dimensions Height 108 mm 4 3 inches Width 384 mm 15 1 inches Depth 287 5 mm 11 3 inches Weight 4 7 kg 10 3 pounds Power 120 VAC 10 60Hz 220 VAC 10 50 60Hz 240 VAC 10 50 60Hz Power consumption Typ 30W Max 60W Environment Operating temperature 5 to 40 C 41 to 104 F Operat...

Page 9: ... 6 GENERAL SPECIFICATIONS Fig 1 1 External Dimensions ...

Page 10: ... 7 GENERAL SPECIFICATIONS 2 External Appearance and Composition 2 1 Names of Parts Fig 1 2 Front and rear views of the printer ...

Page 11: ... 8 GENERAL SPECIFICATIONS Fig 1 3 Diagram of Internal Composition ...

Page 12: ... See right ON 2 4 ON International character sets Country 2 2 2 3 2 4 U S A ON ON ON France OFF ON ON Germany ON OFF ON England OFF OFF ON Denmark I ON ON OFF Sweden OFF ON OFF Italy ON OFF OFF Spain I OFF OFF OFF Denmark Norway when switches 1 6 and 1 7 are both OFF A Except for U S S R market 1 7 ON Switch Function ON OFF Factory 1 1 Page length 11 inches 12 inches ON 1 2 Auto CR Yes No ON 1 3 C...

Page 13: ...hes ON 1 5 Operating mode Commodore ASCII ON 1 6 ON 1 7 International character set See right ON 1 8 ON 1 9 Commodore characters Standard DIN ON 1 10 Auto sheet feeder Inactive Active ON International character sets Country 1 6 1 7 1 8 Commodore ON ON ON U S A OFF ON ON Germany ON OFF ON Denmark I OFF OFF ON France ON ON OFF Sweden I OFF ON OFF Italy ON OFF OFF Spain OFF OFF OFF England Switch 1 5...

Page 14: ...ld Low permanently by turning DIP switch 1 5 off High when the printer is on line Unused Signal Ground Printer s chassis ground isolated from signal ground External supply of 5V DC Twisted pair return signal ground level Low input resets the printer to its power up condition Goes Low to signal that the printer cannot print due to an error condition External ground Unused Always High 1 STROBE IN 2 ...

Page 15: ...ion In High Signifies the data transfer mode Low Signifies the command transfer mode Serial Clock In The printer begins reading data on the rising edge of this signal Serial Data In Out IN Conveys commands and data from the computer to the printer OUT High indicates printer ready Low indicates printer busy When this signal level goes low the printer is initialized and the memory buffer is cleared ...

Page 16: ...ng Circuit 20 2 2 3 Carriage Motor Driving Circuit 20 2 2 4 Carriage Motor Speed Control 21 2 2 5 Paper Feed Motor Driving Circuit 22 2 3 Reset Circuit 23 2 4 Reset by 5V Line Voltage Detection 24 2 5 Protection Circuit 24 3 Power Supply Unit 24 4 Mechanisms 25 4 1 Print Head Mechanism 25 4 2 Print Head Carrying Mechanism 25 4 3 Ink Ribbon Feed Mechanism 26 4 4 Paper Feed Mechanism 27 4 5 Detector...

Page 17: ... 14 THEORY OF OPERATION ...

Page 18: ...Contains the program which executes control of the printer 3 RAM 8K byte Monochrome type 32K byte Colour type Used as stack area work area and data buffer of the CPU 4 Parallel interface Parallel type only 5 Commodore interface Commodore type only 6 Gate array custom IC Inputs or outputs several signals 7 Driver The data edited by the CPU and gate array are sent to the printer mechanism after conv...

Page 19: ... board reads data 1 through 8 at the time of STROBE signal fall and then turns the BUSY and P BUSY signals to low 3 When the BUSY signal of the gate array is set to LOW the BUSY signal of connector CN1 will be turned to HIGH notifying the host computer that data cannot be accepted 4 Ver 1 Board When the P BUSY signal goes LOW the CPU INT1 signal also goes LOW causing a CPU interrupt If such an int...

Page 20: ...ed to COMMODORE network host computers The data input circuit with a Commodore interface is shown in Fig 2 4 Fig 2 4 Data Input Circuit with Commodore Interface Two types of the handshake mode are used with this Commodore interface Non EOI handshake and EOI handshake The timing chart of the Non EOI handshake mode is shown in Fig 2 5 and that of the EOI handshake mode in Fig 2 6 ...

Page 21: ...xt bit handshake 5 Sending 8 bit data is the same as above When transmission is completed the printer sends information to the host computer that the receiving of data is finished by lowering the DATA line 2 EOI handshake This handshake is used to show that the next data bytes are the last data 1 The host computer acknowledges that the DATA line is LOW receiving data is finished and sends informat...

Page 22: ... 19 THEORY OF OPERATION 2 2 General Flow Chart A general flow chart of editing and printing operations is presented in Fig 2 7 Fig 2 7 General Flow Chart of Editing and Printing ...

Page 23: ... output from port PO4 oftheCPU ThisallowstheprintdatatobeoutputtoHD 1 9ofthegatearray WhentheprintdataisHIGH thetransistor TR9 will be turned ON for 380 µS Ver 1 and 1 5 340 µs Ver 2 energizing the print head solenoid to drive the print head Fig 2 8 Print Head Driving Circuit 2 2 3 Carriage Motor Driving Circuit This printer employs a stepping motor as the carriage motor Unlike regular motors on t...

Page 24: ...ired position by controlling acceleration and deceleration The carriage can also move backward The rotational speed of the carriage motor is set by the number of pulses per time unit The character pitch horizontal character size in each print mode is determined by changing this rotational speed or carriage transfer speed 1 At start up of the motor The number of pulses input to the motor increase i...

Page 25: ... signal generated by the phase 1 2 excitation method Fig 2 11 Paper Feed Motor Driving Circuit Fig 2 12 Paper Feed Motor Driving Signals The utilization of voltage applied to the paper feed motor is described as follows Mode Voltage Application Operation 24V Motor Drive Standby 5V Holding Bias Voltage to the paper feed motor is changed by setting CPU port P31 to LOW or HIGH and by turning transist...

Page 26: ...is time length is determined by external capacitor C18 0 1µF and it can be calculated by the following formula T 0 34 C18 pF µsec 2 This LOW signal triggers RESET command to the CPU and the RESET terminal RES of the gate array 3 Resetting the CPU and the gate array will ignore all the drive signals for the carriage motor the paper feed motor and the print head preventing operation errors at power ...

Page 27: ...normally outputs a LOW level signal from the terminal WD OUT However if the CPU malfunctions it can not output this signal When the LOW level signal is not output from the CPU the input terminal Cd of the voltage detecting IC goes to LOW and the RESET signal is output from the output terminal OUT of the voltage detecting IC By this signal the CPU and the gate array are reset and the print head the...

Page 28: ... and home position detector 1 Carriage The carriage is supported horizontally by means of the carriage stay and rear angle and it moves from side to side withtheprintheadmountedaboveit Atimingbeltisclampedtothebaseofthecarriageandashieldplateismounted at the base for home position detection 2 Timing Belt The timing belt is suspended between the timing pulley of the carriage motor and the timing pu...

Page 29: ... while the carriage moves left or right The ribbon feed mechanism is driven by torque from the carriage motor and carriage movement allows the idler gear to rotate This rotation is conveyed sequentially to the gears that work to wind the ribbon The carriage is equipped with a clutch lever so that the direction of cassette gear rotation remains constant regardless of the direction of the idler gear...

Page 30: ...lever is position 1 Withthismethod paperispressedbetweentheplatenrollerandtheholderrollertherefore paperisfedastherollers turn As the paper feed motor is driven the motor gear through the idler gear turns the platen gear in the paper feeding direction However since the tractor gear and the tractor clutch are not linked at this time the tractor unit will not be driven 2 Tractor Method Tractor metho...

Page 31: ...e sensor is OPEN As soon as paper runs out the switch is set to CLOSE outputting a paper empty signal Fig 2 20 Home Position Detector Fig 2 21 Paper Out Detector 3 Bail Lever Position Detector Upon detecting the position of the bail lever the auto loading operation will be activated The leaf switch is open when the bail roller is in contact with the platen roller and it is closed when the bail rol...

Page 32: ...ng parts to correct malfunctions 1 Gap Adjustment Between Print Head and Platen 31 1 1 Measuring Gap Between Print Head and Platen 31 1 2 Adjusting Gap Between Print Head and Platen 31 2 Adjustment of Timing Belt Tension 32 3 Adjustment of Home Position Colour Type only 33 3 1 Measuring Gap Between Home Position Detector and Frame 33 3 2 Adjusting Gap Between Home Position Detector and Frame 33 4 ...

Page 33: ...ADJUSTMENTS 30 ...

Page 34: ...tion of Adjustment Lever Fig 3 3 Gap Measurement 1 2 Adjusting Gap Between Print Head and Platen If the gap does not lie within the standard range adjust it by carrying out the following procedures 1 Remove the printer mechanism according to the procedures described in chapter 4 2 Loosen the nut 6 3 Insert the shaft in the ø2 5 hole 7 Adjust the gap by rotating the carriage stay 8 with the shaft W...

Page 35: ...o familiarize yourself with the timing belt 3 3 Set the adjustment lever 4 to step 2 as shown in Fig 3 2 4 Move the carriage unit 2 to the right end 5 Set the arm 5 of the tension gauge 1 152 mm from the frame L 6 Move the tension gauge 1 in the direction of the platen 6 until it stops Then place the arm 5 of the tension gauge on the timing belt 3 7 Loosen the screw 7 8 Insert a flat blade screwdr...

Page 36: ...ng the procedure in item 3 2 Fig 3 7 Position of Home Position Fig 3 8 Gap Adjustment 3 2 Adjusting Gap Between Home Position Detector and Frame If the gap does not lie within the standard range adjust it by carrying out the following procedures 1 Remove the upper case according to procedures described in chapter 4 2 Loosen the four screws 4 3 Move the printer mechanism 4 Insert the thickness gaug...

Page 37: ...cedure 1 Execute Self Printing 1 2 Judging from the print sample printed just now decide if the ink ribbon cartridge should be moved upward or downward of the print head 3 Remove the printer cover and ink ribbon cartridge 1 4 Turn the adjusting screws A 2 and B 3 brass parts counter clockwise to move the ribbon cartridge upward clockwise to move the ribbon cartridge downward 5 Install the ink ribb...

Page 38: ...Assembly is the reverse of disassembly unless otherwise specified 3 After reassembly coat the screw heads with locking sealant 4 Lubrication information is not provided in this chapter Refer to item 2 in chapter 5 1 Upper Case Unit 37 2 Printer Mechanism 37 3 Main Logic Board 38 4 Power Supply Unit 39 5 Fuses 40 6 Print Head 41 7 Carriage Motor Unit 42 8 Platen Unit 43 9 Tractor Unit 43 10 Detecto...

Page 39: ...PARTS REPLACEMENT 36 ...

Page 40: ...t and gently push it further forward Control panel board 6 2 Printer Mechanism 1 Remove Upper case unit according to the procedure de scribed in item 1 Stop ring 1 Release lever 2 Gear lever 3 Four tapping screws 4 Screw 5 Connector cover 6 Lift up the tab of the connector cover and slide it to the right for removal Printer head cable 7 Three connectors 8 Printer mechanism 9 Caution in assembly Al...

Page 41: ...EPLACEMENT 38 3 Main Logic Board 1 Remove Printer mechanism according to the procedure described in item 2 Two connectors 1 Two tapping screws 2 Two screws 3 Main logic board 4 For Ver 1 For Ver 1 5 For Ver 2 ...

Page 42: ...4 Power Supply Unit 1 Remove Upper case unit according to the procedure de scribed in item 1 Connector 1 Two tapping screws 2 Two tapping screws 3 Two screws 4 Power switch 5 Power supply unit 6 For Ver 1 and 1 5 For Ver 2 ...

Page 43: ... 240V 630mA The Destination Countries F2 EC WG NBR SC SU EAK2 0 US TW HK UK AS MAS UE 5MT2 0 New fuse blown Inspect circuit For Ver 2 1 Remove Upper case unit according to the procedure de scribed in item 1 2 Inspect Fuse F1 1 Fuse F2 2 Defective Replace fuse as follows AC Voltage F1 120V 5TT1A 220V 240V 630mA The Destination Countries F2 EC WG NBR SC SU EAK3 15A US TW HK UK AS MAS UE 5TT3A New fu...

Page 44: ...nnector cover 1 Gear Cover 2 Colour type only Two tapping screws 3 Head cable 4 Print head 5 WARNING The print head becomes hot after printing so wait for it to cool before removing it 2 Adjust Gap between print head and platen Refer to item 1 of Chapter 3 For Ver 1 and 1 5 For Ver 2 ...

Page 45: ...MENT 42 7 Carriage Motor Unit 1 Remove Printer mechanism according to the procedure described in item 2 Cord fastener binding the lead wires Connector 1 Two screws 2 Carriage motor unit 3 For Ver 1 and 1 5 For Ver 2 ...

Page 46: ...gear B be sure to align the holes 10 in the two gears 2 Adjust Gap between print head and platen Refer to item 1 of Chapter 3 9 Tractor Unit 1 Remove Upper case unit according to the procedure de scribed in item 1 Stop ring 1 Release lever 2 Two nuts 3 Two tractor bushings 4 Lift the tab 5 of the tractor bush to allow removal of the tractor bush from the frame Tractor unit 6 Caution in assembly Fo...

Page 47: ... 1 Remove Printer mechanism according to the procedure described in item 2 Cord fastener binding the lead wires Sub guide 1 Lift the notched part 2 and slide sub guide 1 to the left to remove PE detector 3 Screw 4 Home position detector 5 ...

Page 48: ...CHAPTER 5 MAINTENANCE AND LUBRICATION 1 Maintenance 47 1 1 Cleaning 47 1 2 Checks 47 2 Lubrication 48 2 1 Lubricant 48 2 2 Lubricating Method 48 2 3 Lubricated Areas 48 1 2 3 4 5 6 7 8 A ...

Page 49: ... 46 ...

Page 50: ...it is not adequate due to cleaning replenish it 1 2 Checks Checks must be carried out at two levels daily check which the operator can easily carry out during operation and periodic check which an expert should carry out 1 Daily check When the printer is used on a daily basis check to be sure that the printer is being used properly Make sure that the printer is operating under the best conditions ...

Page 51: ... TS 0 6 Rubbing surfaces of bushing and carriage stay Mobil 1 7 Rubbing surfaces of timing pulley and stop ring GB TS 0 8 Rubbing surfaces of release shaft and frame GB TS 0 9 Rubbing surfaces of release lever and tractor shaft GB TS 0 10 Rubbing surfaces of two tractor bushings and tractor shaft GB TS 0 11 Rubbing surfaces of tractor holder and tractor cover KF96 1000CS 12 Rubbing surfaces of bai...

Page 52: ... 49 MAINTENANCE AND LUBRICATION Fig 5 1 Lubricated Areas Detail B Monochrome Type Detail B Colour Type ...

Page 53: ... 50 ...

Page 54: ...ow Chart 54 3 Repair by Unit Replacement 55 4 Repair by Replacement of Parts 61 4 1 Does not Operate at ALL with Power on 61 4 2 Power Supply Unit Abnormal 62 4 3 Defective Motor Operation 63 4 4 Defective Print Head Operation 64 4 5 Defective Interface Operation 65 1 2 3 4 5 6 7 8 A ...

Page 55: ... 58 REPLACEMENT AND ADJUSTMENT OF PARTS ...

Page 56: ... unit Note 1 Before starting to repair be sure to check visually the contact of the connector and the mounting of the IC in the IC socket Note 2 Always turn off power source and remove power plug before replacing any units or parts Note 3 If any check items appear on the flow chart be sure to always check them Otherwise newly mounted parts or units may become damaged Note 4 If in the process of ma...

Page 57: ...nt wire sticks out Absence of paper not detected Lever position not detected Incorrect printing Ink ribbon not forwarded No operation at DIP switch setting Faulty operation when power is turned on off Abnormal motor operating speed slow Fuse blown during operation 2 3 Ink ribbon Gap check Check I F cable Note The figures 1 2 and 3 mean the priority of replacement Operation related Motor related Pr...

Page 58: ...lace printer mechanism A NO NO A NO 1 Replace main logic board 2 Replace printer mechanism A NO NO Home position switch signal is normal YES Replace main logic board START Turn power off Remove I F cable Mount ink ribbon Set paper Move carriage to center Turn power on Carriage Movement YES Carriage operates normally YES Carriage stops at home position YES B ...

Page 59: ...r mechanism A Self printing Carriage motor drive waveform is normal 1 YES Replace printer mechanism Printer lamps light YES On line switch in on Take Off Line On line lamp is out YES Paper feed switch is on Paper feed switch operation is normal YES Power is off Power source is on while pressing paper feed switch Carriage operates normally YES NO NO NO Replace main logic board A Replace main logic ...

Page 60: ...r mechanism NO NO 1 Replace ink ribbon 2 Replace printer mechanism A A A Replace printer mechanism Paper feed motor drive waveform is normal 2 YES Printing operation is normal YES Paper feed operation is normal YES Ribbon feed operation is normal YES Self printing terminates Check host computer connection Power is off and I F cable is connected Power is on Print program operation begins from host ...

Page 61: ...ng begins YES Printing operation normal YES Printer is normal host computer print program stops END Works with carriage hand YES Output 24V 5V of power supply unit is normal 4 NO Power source is off Fuse blows out YES Replace fuse Remove connector CN5 CN6 of main logic board Power source is on B Commodore type 1 Replace main logic board 2 Replace printer mechanism A ...

Page 62: ...Commodore type Output of power supply unit is normal 4 YES Power source is off Connect connector CN5 CN6 of main logic board Power source is on Fuse blows out YES Replace fuse 1 Replace main logic board 2 Replace printer mechanism ...

Page 63: ...rmal 5 NO Ready condition YES There is data transmission NO Hardware check or check of host computer print program On line switch goes ON OFF YES On line lamp drive signal is normal YES Replace main logic board I F mode set up properly NO I F mode set up changed Replace control panel board Replace main logic board ...

Page 64: ... circuit replace parts Check crystal circuit replace parts 1 Replace CPU or ROM 2 Check relevant circuit NO NO NO NO See 4 2 Power Supply Unit Abnormal START 24V and 5V are supplied 4 YES RESET signal becomes HIGH 6 YES Crystal waveform is normal 1 YES ROM OE signals become LOW YES Carriage motor abnormal Check operation END ...

Page 65: ...own NO Fuse F2 or F3 is blown NO Check operation END Replace 1 Transformer 2 IC1 YES F3 is for AC120 only YES YES YES NO Replace Fuse F2 or F3 Fuse is blown again NO ACS1 and ACS2 are supplied NO Replace transformer The no load voltages are below ACS2 AC29 9V ACS1 AC8 5V Check or replace 1 D1 D4 2 IC1 NO Check or replace 1 DB1 2 TR1 TR3 5V line is supplied YES 24V line is supplied YES ...

Page 66: ...r Check operation END Check or replace 1 TR1 TR202 2 TR6 TR5 3 CPU Check or replace 1 TA1 TA201 2 CPU CR CMN signal is normal 1 YES CR ø1 ø2 ø3 ø4 are normal 1 YES Replace CR motor Check operation END Check or replace 1 TR2 TR201 2 TR7 TR4 3 CPU Check or replace 1 TA2 TA202 2 CPU Ver 1 5 and Ver 2 Ver 1 5 and Ver 2 Ver 1 5 and Ver 2 Ver 1 5 and Ver 2 ...

Page 67: ... Refer to item 4 2 Check or replace 1 Gate array 2 CPU YES YES Ver 1 5 and Ver 2 Ver 1 5 and Ver 2 START Does not print at all YES 24V line is supplied YES Check or replace 1 TR4 TR1 2 Gate array Head energizing control signal is normal 3 YES Check or replace 1 Print mechanism END NO NO NO A specific pin does not work NO Print is light as whole NO ...

Page 68: ...eration NO YES START Set at on line Start print program of host computer Is I F signal normal 5 YES Incorrect print generated NO Check operation END Check I F cable Check or replace 1 IC2 IC5 IC1 2 Gate array 3 CPU Ver 1 5 and Ver 2 Commodore type ...

Page 69: ... 66 ...

Page 70: ...K Hong Kong MONO Monochrome UE EC 120V UK United Kingdom CL Color Type The seal number of ROM is described in this column The mark of a seal number is variable depending on the software version 7 RANK Parts marked S are service parts Service parts are recommendable for maintenance 1 Pringer Assembly 68 1 1 Disassembly Drawing 68 1 2 Parts List 69 2 Printer Mechanism 71 2 1 Disassembly Drawing 71 2...

Page 71: ... 68 1 Printer Assembly Ver 1 and 1 5 1 1 Disassembly Drawing ...

Page 72: ...0NBR 1 FOR NBR LC 10 S 87290030 UPPER CASE UNIT LC 10 1 EXCEPT FOR NBR LC 10 S 87290020 UPPER CASE UNIT NX 1000C 1 NX 1000C S 87290080 UPPER CASE UNIT LC 10NBR 1 FOR NBR LC 10C S 87290040 UPPER CASE UNIT LC 10C 1 EXCEPT NBR LC 10C S 1 87290050 UPPER CASE UNIT NX 1000CL US 1 FOR US NX 1000CL S 2 87290170 UPPER CASE UNIT NX 1000CL MAS 1 FOR MAS NX 1000CL S 1 87290070 UPPER CASE UNIT NX 1000 CL 1 TW ...

Page 73: ...2 80924911 WIRE 18UL1007BLK100TT 1 S 27 80924440 INTERFACE CABLE COMMODORE 1 FOR COMMODORE ONLY S 28 2 01903071 SCREW TATH 3 10C1P 1 FOR US MAS S 2 01903060 SCREW TAT 3 8 PT FL 1 EXCEPT FOR US MAS S 29 4 01914036 SCREW TR 4 5 WS 2 FOR HK S 4 01914014 SCREW TR 4 5 WB 3 FOR US MAS S 4 01914036 SCREW TR 4 5 WS 3 EXCEPT FOR HK US MAS S 2 89590090 ASF SF 10DJ UK 1 FOR UK EC SC TW OP 3 89590093 ASF SF 1...

Page 74: ... 71 2 Printer Mechanism Ver 1 and 1 5 2 1 Disassembly Drawing ...

Page 75: ...1 1 S 9 87067010 TENSION LEVER UNIT 891 1 10 87065010 DETECTOR UNIT 891 1 S 11 82400960 ADJUSTING LEVER 891 1 12 04991229 VINYL CAP D2X5 1 13 80530510 BAIL LEVER SPRING 891 2 S 14 2 80530530 GROUND CONTACT SPRING 891 1 S 4 80530570 GROUND CONTACT SPRING 921 1 S 4 80530571 GROUND CONTACT SPRING 921 1 S 15 2 00820404 SCREW TR 2 4 2 FOR TAPPED HOLE S 4 00920503 SCREW TAT 2 5 CT 2 FOR NON TAPPED HOLE ...

Page 76: ...PLATE NX 1000 RAINBOW 1 FOR US SU NX 1000CL S 2 80081880 BRAND PLATE NX MULTI COLOR 1 FOR MAS NX 1000CL S 1 80081310 BRAND PLATE NX 1000 COLOUR 1 TW HK AS NX 1000CL S 6 80081280 BRAND PLATE LC 10 CL 1 LC 10CL S 6 80081281 BRAND PLATE LC 10 CL 1 LC 10CL S 1 80081340 BRAND PLATE NX 1000C RAINBOW 1 FOR US NX 1000CCL S 1 80081350 BRAND PLATE NX 1000C COLOUR 1 FOR HK AS NX 1000CCL S 1 80081360 BRAND PL...

Page 77: ...ETECTOR UNIT A NX 1000D 1 FOR VER 1 5 S 3 6 87291310 PE DETECTOR LEVER ASSY NX 1000 1 3 7 82500810 RELEASE SPRING 891 3 S 3 8 80510700 SPRING E030 014 0088 1 S 3 9 5 01903064 SCREW TAT 3 5 CT 1 S 5 01903094 SCREW TAT 3 5 DT 1 S 3 10 00930803 SCREW TAT 3 8 PT 3 S 3 11 01903047 SCREW TAT 3 12 PT FL 1 S 3 12 80991800 BLIND SHEET NX 1000 1 2 80700500 WIRE 18UL1007BLK080TS 1 FOR VER 1 5 ONLY 3 2 Lower ...

Page 78: ...ER GEAR 16X1 40X0 3 1 S 8 86312460 IDLER ASSY TRX 1 S 1 9 1 83100540 IDLER GEAR 17X41X0 3 1 S 1 83100541 IDLER GEAR 17X41X0 3 1 S 1 10 82210031 WAVE WASHER 891 1 S 1 11 83400410 CLUTCH LEVER 891 1 S 1 12 87060610 PAPER FEED MOTOR ASSY 891 1 FOR VER 1 0 S 2 87060680 PAPER FEED MOTOR ASSY 891D 1 FOR VER 1 5 S 1 13 83100510 GEAR 40X0 5 1 S 1 14 83100520 IDLER GEAR 16X72X0 5 1 S 1 15 2 00630404 SCREW ...

Page 79: ... 76 3 3 2 Colour Type ...

Page 80: ...3400410 CLUTCH LEVER 891 1 S 1 12 5 87060630 PAPER FEED MOTOR ASSY 891CL 1 S 5 87060610 PAPER FEED MOTOR ASSY 891 1 S 1 13 83100510 GEAR 40X0 5 1 S 1 14 83100520 IDLER GEAR 16X72X0 5 1 S 1 15 2 00630404 SCREW TR 3 4 2 FOR TAPPED HOLE S 2 01903064 SCREW TAT 3 5 CT 2 FOR NON TAPPED HOLE S 1 16 02304025 POLY SLIDER WP4X0 25 1 S 1 17 4 83200630 ADJUSTING HOLDER 891CL 1 S 5 83902830 ADJUSTING HOLDER 94...

Page 81: ...1 SHEET GUIDE 891 1 8 9 2 83910860 TRACTOR COVER R 891 1 S 2 83910861 TRACTOR COVER R 891 1 S 8 10 2 83910870 TRACTOR COVER L 891 1 S 2 83910871 TRACTOR COVER L 891 1 S 8 11 83110100 TRACTOR CLUTCH 891 1 S 8 12 83100530 TRACTOR GEAR 64X0 5 1 S 8 13 6 83200650 TRACTOR BUSHING 891 2 6 83200651 TRACTOR BUSHING 891 2 8 14 02307050 POLY SLIDER WP7X0 5 2 S 8 15 6 80520350 SPRING C090 070 0130 1 S 6 8052...

Page 82: ...1 1 S 6 5 2 83200660 PLATEN HOLDER 891 2 S 4 83200661 PLATEN HOLDER 891 2 S 4 83200662 PLATEN HOLDER 891 2 S 6 6 04012502 ROLL PIN SP2 5X12 3 S 6 7 4 04020014 STOP RING SE6 0 2 S 4 04020022 STOP RING SE6 0 SUS 2 S 6 8 5 87063340 PLATEN GEAR ASSY 891B 1 WITH NO 6 2 3 4 S 3 5 Platen Unit Platen Unit Ver 1 and 1 5 DRWG NO REV PARTS NO PARTS NAME Q TY REMARKS RANK ...

Page 83: ... 80 4 Wiring Scheme of Printer Ver 1 and 1 5 4 1 Parallel Type WIRING SCHEME ...

Page 84: ... 81 4 2 Commodore Type WIRING SCHEME ...

Page 85: ... 82 5 Main Logic Board Ver 1 and 1 5 5 1 Parallel Type Ver 1 5 1 1 Component Layout A Board ...

Page 86: ... 83 B Board ...

Page 87: ...Y 4 7K OHM 1 8W 8EL 1 2 06584729 RESIS ARRAY 4 7K OHM 1 8W 8EL 1 RA5 2 06581032 RESIS ARRAY 10 K OHM 1 8W 8EL 1 2 06581038 RESIS ARRAY 10 K OHM 1 8W 8EL 1 RA6 NOT MOUNTED RA7 2 06581022 RESIS ARRAY 1 K OHM 1 8W 9EL 1 2 06581028 RESIS ARRAY 1 K OHM 1 8W 9EL 1 RA8 2 06584723 RESIS ARRAY 4 7K OHM 1 8W 8EL 1 2 06584729 RESIS ARRAY 4 7K OHM 1 8W 8EL 1 R1 9 06054725 RD RESISTOR 4 7 K OHM 1 6W 9 R10 NOT ...

Page 88: ...4 CERA CAPA 0 022UF 50V 1 C8 NOT MOUNTED C9 05152234 CERA CAPA 0 022UF 50V 1 C10 05154723 CERA CAPA 4700PF 50V 1 C11 NOT MOUNTED C12 05154714 CERA CAPA 470PF 50V 1 C13 NOT MOUNTED C14 05152234 CERA CAPA 0 022UF 50V 1 C15 16 05153303 CERA CAPA 33PF 50V 2 C17 05152234 CERA CAPA 0 022UF 50V 1 C18 2 05131042 CERA CAPA 0 1UF 25V 1 2 05551044 CAPACITOR 0 1UF 50V 1 C19 20 05152234 CERA CAPA 0 022UF 50V 2...

Page 89: ...ECTOR 53014 0610 1 CN5 09100317 CONNECTOR 5483 04A 1 CN6 09100267 CONNECTOR 5483 06A 1 CN7 09100278 CONNECTOR 5483 06A RED 1 CN8 2 09100340 CONNECTOR HLEM15S 1 1 2 09100384 CONNECTOR HLEM15S 2 1 CN9 NOT MOUNTED CN10 09100339 CONNECTOR FC 16 1 80700250 WIRE 18UL1007BLK055T 1 Main Logic Board Parallel Type Ver 1 DRWG NO REV PARTS NO PARTS NAME Q TY REMARKS RANK ...

Page 90: ... 87 Blank Page ...

Page 91: ... 88 5 1 3 Circuit Diagram Ver 1 ...

Page 92: ... 89 ...

Page 93: ... 90 ...

Page 94: ... 91 ...

Page 95: ... 92 5 2 Parallel Type Ver 1 5 5 2 1 Component Layout A Board ...

Page 96: ... 93 5 2 1 Component Layout B Board ...

Page 97: ...M 1 8W 4EL 1 RA7 06584729 RESIS ARRAY 4 7K OHM 1 8W 8EL 1 R1 06051525 RD RESISTOR 1 5 K OHM 1 6W 1 R2 10 06054725 RD RESISTOR 4 7 K OHM 1 6W 9 R11 3 06054725 RD RESISTOR 4 7 K OHM 1 6W 1 3 06051025 RD RESISTOR 1 K OHM 1 6W 1 R12 06051014 RD RESISTOR 100 OHM 1 6W 1 R13 06054725 RD RESISTOR 4 7 K OHM 1 6W 1 R14 3 06054725 RD RESISTOR 4 7 K OHM 1 6W 1 3 06051025 RD RESISTOR 1 K OHM 1 6W 1 R15 0605103...

Page 98: ... MOUNTED FOR HK 05254732 FILM CAPA 0 047UF 50V 1 EXCEPT FOR HK C22 05554714 CAPACITOR 470PF 50V 1 C23 05154714 CERA CAPA 470PF 50V 1 XTAL1 09250035 CERA OSCILLATOR CST10 0MT 1 BZ1 45060201 QMB 111P 1 DSW1 09090034 DIP SWITCH KSS08 1 1 DSW2 09090033 DIP SWITCH KSS04 1 1 SW1 4 09010043 PUSH SWITCH SKHHAL S 4 LED1 08300055 LED LT 1H11A 1 LED2 9 08300058 LED LT 1E21A 8 LED10 08300055 LED LT 1H11A 1 JC...

Page 99: ... 7 J101 103 93930006 JUMPER WIRE STP122 3 J201 204 93930006 JUMPER WIRE STP122 4 4 80702221 CABLE UNIT 16X150 2 FOR CN3 10 CN9 11 6 80086510 BOARD ID SEAL HK 1 ONLY HK Main Logic Board Parallel Type Ver 1 5 DRWG NO REV PARTS NO PARTS NAME Q TY REMARKS RANK ...

Page 100: ... 97 Blank Page ...

Page 101: ... 98 5 2 3 Circuit Diagram Ver 1 5 ...

Page 102: ... 99 ...

Page 103: ... 100 ...

Page 104: ... 101 ...

Page 105: ... 102 5 3 Commodore Type 5 3 1 Component Layout A Board ...

Page 106: ... 103 5 3 1 Component Layout B Board ...

Page 107: ... 7K OHM 1 8W 8EL 1 2 06584729 RESIS ARRAY 4 7K OHM 1 8W 8EL 1 R1 8 06054725 RD RESISTOR 4 7 K OHM 1 6W 8 R9 10 06051034 RD RESISTOR 10 K OHM 1 6W 2 R11 06022206 RD RESISTOR 22 OHM 1 2W 1 R12 2 06200271 RN RESISTOR 2 7 OHM 2W 2 1 2 06200274 RN RESISTOR 2 7 OHM 2W 2 1 R13 14 06051034 RD RESISTOR 10 K OHM 1 6W 2 R15 23 06054725 RD RESISTOR 4 7 K OHM 1 6W 9 R24 06054734 RD RESISTOR 47 K OHM 1 6W 1 R25...

Page 108: ... 100PF 50V 1 FOR CL ONLY C29 2 05131041 CERA CAPA 0 1UF 25V 1 FOR CL ONLY L1 5 NOT MOUNTED XTAL1 09250032 CERA OSCILLATOR KBR10MHZ 1 BZ 45060201 QMB 111P 1 DSW1 2 09090019 DIP SWITCH KSD10 1 2 09090035 DIP SWITCH KSS10 1 1 SW1 4 2 09010041 PUSH SWITCH SKHHAL 4 2 09010043 PUSH SWITCH SKHHAL S 4 LED1 08300055 LED LT 1H11A 1 LED2 9 08300058 LED LT 1E21A 8 LED10 08300055 LED LT 1H11A 1 JC1 NOT MOUNTED...

Page 109: ... 106 5 3 3 Circuit Diagram ...

Page 110: ... 107 ...

Page 111: ... 108 ...

Page 112: ... 109 ...

Page 113: ... 110 6 Power Supply Unit Ver 1 and 1 5 6 1 Circuit Diagram 6 2 Component Layout ...

Page 114: ...UNTED FOR HK 3 05192223 CERA CAPA 2200PF 400V 2 EXCEPT FOR SC HK 3 05192224 CERA CAPA 2200PF 400V 2 EXCEPT FOR SC HK C4 05054781 CHEM CAPA 4700UF 50V 1 C5 05043384 CHEM CAPA 3300UF 35V 1 C6 05024781 CHEM CAPA 4700UF 16V 1 C7 05002213 CHEM CAPA 220UF 6 3V 1 C8 05152231 CERA CAPA 0 022UF 50V 1 F1 09990058 FUSE 5TT1A 250V 1 FOR 120V S 09990021 FUSE EAWK630MA 250V 1 FOR 220V 240V S F2 09990026 FUSE 5M...

Page 115: ... IC1 Pin 5 of IC6 Pin 57 of IC4 Pin 5 of IC6 Pin 1 of IC2 Lower WD OUT Pin 59 of IC5 Lower HD1 Data Pin 42 of IC1 Pin 59 of IC1 Pin 40 of IC4 Pin 59 of IC5 Pin 42 of IC2 Time Div 5 ms Time Div 0 2 ms Volt Div Upper 2V Volt Div 2V Lower 1V 5 Print Head Control Signal and Waveform 6 Carriage Motor Common Control Signal and Diving Signal Upper HD1 Data Pin 42 of IC1 Upper CR CMN Control Signal Pin 21...

Page 116: ...Time Div 2 ms Time Div 20 ms Volt Div Upper 2V Volt Div Upper 2V Lower 20V Lower 10V 9 Paper Feed Motor Control Signal and 10 Parallel Interface parallel type Only Driving Signal Upper LF ø1 Control Signal Pin 17 of IC5 Upper STB Pin 1 of CN1 Pin 17 of IC1 Pin 1 of CN1 Pin 17 of IC5 Lower BUSY Pin 11 of CN1 Lower LF ø1 Driving Signal Pin 3 of CN7 Pin 21 of CN1 Pin 3 of CN7 Time Div 50 ms Pin 3 of ...

Page 117: ... 114 ...

Page 118: ...words or indicated by two letters US U S A UE EC 120V HK Hong Kong MAS Mass Merchant EC EC 220V UK United Kingdom NX MALTI TYPE WG Germany AS Australia TW Taiwan SC Scandinavia NBR No Brand SU Russia The seal number of ROM is described in this column The mark of a seal number is variable depending on the software version 7 RANK Parts marked S are service parts Service parts are recommendable for m...

Page 119: ... 116 1 Printer Assembly 1 1 Disassembly Drawing ...

Page 120: ...0 1 S 12 7 80981160 INK RIBBON CARTRIDGE JA NX1000 1 EXCEPT US NBR S 7 80982290 INK RIBBON CARTRIDGE JAN LC9 1 EXCEPT US NBR S 7 80981560 INK RIBBON CARTRIDGE UP NX1000 1 FOR US S 7 80980850 INK RIBBON CARTRIDGE UPC LC9 1 FOR US S 7 80980800 INK RIBBON CARTRIDGE NX1000NBR 1 FOR NBR S 7 80982360 INK RIBBON CARTRIDGE WHT LC9CL 1 FOR NBR S 13 83400450 RELEASE LEVER 891 1 S 14 87295020 RELEASE SHAFT U...

Page 121: ...OR UK EC SC TW OP 89590093 ASF SF 10DJ US 1 FOR US OPTION 89590091 ASF SF 10DJ WG 1 FOR WG OPTION 4 89590096 ASF SF 10DJ HK 1 FOR SU HK OPTION 5 89590095 ASF SF 10DJ AS 1 FOR AS OPTION DRWG NO REV PARTS NO PARTS NAME Q TY REMARKS RANK ...

Page 122: ... 119 2 Printer Mechanism 2 1 Disassembly Drawing ...

Page 123: ... 1 S 9 87067010 TENSION LEVER UNIT 891 1 10 87065010 DETECTOR UNIT 891 1 S 11 82400960 ADJUSTING LEVER 891 1 12 04991229 VINYL CAP D2X5 1 13 80530510 BAIL LEVER SPRING 891 2 S 14 4 80530570 GROUND CONTACT SPRING 921 1 S 4 80530571 GROUND CONTACT SPRING 921 1 S 15 4 00920503 SCREW TAT 2 5 CT 2 S 4 00926603 SCREW TAT 2 6 6 CT 2 S 16 00630504 SCREW TR 3 5 2 S 17 01903018 SCREW TR 3 6 WS WF 1 S 18 020...

Page 124: ...PECIAL LC 10 1 FOR SU 7 3 80081690 BRAND SEAL NX 1000II 1 EXCEPT MAS NX 1000II S 80082420 BRAND SEAL NX 1000II MAS 1 FOR MAS NX 1000II S 80082370 BRAND SEAL LC 10II 1 EXCEPT NBR LC 10II S NOT MOUNTED FOR NBR 7 4 6 83022880 UPPER CASE NX 1000 1 6 83022881 UPPER CASE NX 1000 1 3 Sub assembly 3 1 Lower Case Unit DRWG NO REV PARTS NO PARTS NAME Q TY REMARKS RANK Upper Case Unit Ver 2 ...

Page 125: ...TOR LEVER ASSY NX 1000 1 3 7 82500810 RELEASE SPRING 891 3 S 3 8 80510700 SPRING E030 014 0088 1 S 3 9 5 01903064 SCREW TAT 3 5 CT 1 S 5 01903094 SCREW TAT 3 5 DT 1 S 3 10 00930803 SCREW TAT 3 8 PT 3 S 3 11 01903047 SCREW TAT 3 12 PT FL 1 S 3 12 80991800 BLIND SHEET NX 1000 1 80700500 WIRE 18UL1007BLK080TS 1 80086480 CAUTION SEAL LC 10II SC 1 FOR SC ONLY 3 2 Lower Case Unit Upper Case Unit Ver 2 D...

Page 126: ... 83120450 RIBBON CASSETTE GEAR 891 1 S 1 8 8 83100501 IDLER GEAR 16X1 40X0 3 1 S 8 86312460 IDLER ASSY TRX 1 S 1 9 83100541 IDLER GEAR 17X41X0 3 1 S 1 10 82210031 WAVE WASHER 891 1 S 1 11 83400410 CLUTCH LEVER 891 1 S 1 12 87060680 PAPER FEED MOTOR ASSY 891D 1 S 1 13 83100510 GEAR 40X0 5 1 S 1 14 83100520 IDLER GEAR 16X72X0 5 1 S 1 15 01903064 SCREW TAT 3 5 CT 2 S 1 16 02304025 POLY SLIDER WP4X0 2...

Page 127: ... 8 8 6 83901600 SHEET GUIDE 891 1 6 83901601 SHEET GUIDE 891 1 8 9 83910861 TRACTOR COVER R 891 1 S 8 10 83910871 TRACTOR COVER L 891 1 S 8 11 83110100 TRACTOR CLUTCH 891 1 S 8 12 83100530 TRACTOR GEAR 64X0 5 1 S 8 13 6 83200650 TRACTOR BUSHING 891 2 6 83200651 TRACTOR BUSHING 891 2 8 14 02307050 POLY SLIDER WP7X0 5 2 S 8 15 6 80520350 SPRING C090 070 0130 1 S 6 80520351 SPRING C090 070 0130 1 S 8...

Page 128: ... 5 4 83200661 PLATEN HOLDER 891 2 S 4 83200662 PLATEN HOLDER 891 2 S 6 6 04012502 ROLL PIN SP2 5X12 3 S 6 7 4 04020014 STOP RING SE6 0 2 S 4 04020022 STOP RING SE6 0 SUS 2 S 6 8 5 87063050 PLATEN UNIT 891B 1 WITH NO 6 1 TO 6 7 S 5 87063340 PLATEN GEAR ASSY 891B 1 WITH NO 6 2 3 4 S 3 5 Platen Unit Platen Unit Ver 2 DRWG NO REV PARTS NO PARTS NAME Q TY REMARKS RANK ...

Page 129: ... 126 4 Wiring Scheme of Printer Ver 2 ...

Page 130: ... 127 5 Main Logic Board Ver 2 5 1 Component Layout ...

Page 131: ...EL 1 RA7 06584729 RESIS ARRAY 4 7K OHM 1 8W 8EL 1 R1 06051525 RD RESISTOR 1 5 K OHM 1 6W 1 R2 10 06054725 RD RESISTOR 4 7 K OHM 1 6W 9 R11 06051025 RD RESISTOR 1 K OHM 1 6W 1 R12 06051014 RD RESISTOR 100 OHM 1 6W 1 R13 06054725 RD RESISTOR 4 7 K OHM 1 6W 1 R14 06051025 RD RESISTOR 1 K OHM 1 6W 1 R15 06051034 RD RESISTOR 10 K OHM 1 6W 1 R16 06051514 RD RESISTOR 150 OHM 1 6W 1 R17 19 06054725 RD RES...

Page 132: ... 50V 1 C21 05254732 FILM CAPA 0 047UF 50V 1 EXCEPT FOR HK NOT MOUNTED FOR HK C22 05554714 CAPACITOR 470PF 50V 1 C23 05154714 CERA CAPA 470PF 50V 1 C24 05151033 CERA CAPA 0 01UF 50V 1 XTAL1 09250035 CERA OSCILLATOR CST10 0MT 1 BZ1 45060201 QMB 111P 1 DSW1 09090034 DIP SWITCH KSS08 1 1 DSW2 09090033 DIP SWITCH KSS04 1 1 SW1 4 09010043 PUSH SWITCH SKHHAL S 4 LED1 08300055 LED LT 1H11A 1 LED2 9 083000...

Page 133: ...OUNTED J3 85 93930006 JUMPER WIRE STP122 83 J101 103 93930006 JUMPER WIRE STP122 3 J201 204 93930006 JUMPER WIRE STP122 4 1 80702221 CABLE UNIT 16X150 2 FOR CN3 10 CN9 11 6 80086510 BOARD ID SEAL HK 1 ONLY HK Main Logic Board Ver 2 DRWG NO REV PARTS NO PARTS NAME Q TY REMARKS RANK ...

Page 134: ... 131 Blank Page ...

Page 135: ... 132 5 3 Circuit Diagram Ver 2 ...

Page 136: ... 133 ...

Page 137: ... 134 ...

Page 138: ... 135 ...

Page 139: ... 136 6 Power Supply Unit Ver 2 6 1 Circuit Diagram 6 2 Component Layout ...

Page 140: ...0 1 L2 09251023 CHOKE COIL SK15BS045 300 1 SW 09030010 SEESAW SWITCH WK2A44 1 09240440 TRANSFORMER 120V LC 10II P US 1 FOR 120V 09240450 TRANSFORMER 220V LC 10II P EC 1 FOR 220V 09240460 TRANSFORMER 240V LC 10II P UK 1 FOR 240V 80700140 WIRE 20UL1015BLK110 2 EXCEPT FOR BELOW 80700340 WIRE 20UL1015BLK095T 2 FOR EC WG SC NBR SU 80700220 WIRE 18UL1015G Y067T 1 EXCEPT FOR HK 80700230 WIRE 18UL1015G Y0...

Page 141: ...in 5 of IC6 Upper HD EN Pin 57 of IC4 Lower WD OUT Pin 59 of IC1 Lower HD1 Data Pin 40 of IC4 Time Div 5 ms Time Div 0 1 ms Volt Div Upper 2V Volt Div 2V Lower 1V 5 Print Head Control Signal and Waveform 6 Carriage Motor Common Control Signal and Diving Signal Upper HD1 Dara Pin 40 of IC4 Upper CR CMN Control Signal Pin 21 of IC1 Lower HD1 Pin 1 of CN8 Lower CR CMN Driving Signal Pin 3 of CN6 Time...

Page 142: ... 1 of CN6 Lower LF CMN Driving Signal Pin 1 of CN7 Time Div 2 ms Time Div 20 ms Volt Div Upper 2V Volt Div Upper 2V Lower 20V Lower 10V 9 Paper Feed Motor Control Signal and 10 Parallel Interface parallel type Only Driving Signal Upper LF ø1 Control Signal Pin 17 of IC1 Upper STB Pin 1 of CN1 Lower LF ø1 Driving Signal Pin 3 of CN7 Lower BUSY Pin 11 of CN1 Time Div 50 ms Time Div 50 ms Volt Div Up...

Page 143: ... 140 ...

Page 144: ...Cs CPU M50734SP 143 Gate Array D65006CW LC 143 ROM MPD27C512DS 143 RAM HM6264 143 Gate Array D65006CW LC2 144 RAM HM65256 144 Voltage Detecting IC M51953BL 144 Transistor Array STA401 144 Transistor 2SD1637 145 Transistor 2SD2010 145 APP ...

Page 145: ... 142 ...

Page 146: ...RT a clock synchronous serial I O an A D con vertor a VCU a watchdog timer and 32 parallel I O terminals 3 ROM MPD27C512DS 65536 Word 8 bit Ultraviolet erasable and Programmable read only memory 2 Gate Array D65006CW LC Parts No 08240001 4 RAM HM6264 8192 word 8 bitStaticrandomaccessmemory ...

Page 147: ... Voltage Detecting IC M51953BL Refer to Fig 2 21 and Fig 2 22 of Chapter 2 for the equivalent circuit and operational timing chart 6 RAM HM65256 32768 word 8 bit Pseudo Static random ac cess memory 8 Transistor Array STA401 1 Vcc 2 In 3 GND 4 Cd 5 OUT ...

Page 148: ... 145 9 Transistor 2SD1637 10 Transistor 2SD2010 ...

Page 149: ... 146 ...

Page 150: ......

Page 151: ... 48 5013 STAR MICRONICS PTY LTD Unit A 107 115 Asquith Street Silverwater NSW 2141 Australia Tel 02 748 4300 Telefax 02 748 3527 STAR MICRONICS ASIA LTD 18 F Tower II Enterprise Square 9 Sheung Yuet Road Kowloon Bay Hong Kong Tel 2796 2727 Telefax 2799 9344 STAR MICRONICS N Z LTD 64 Lunn Ave Mount Wellington P O Box 6255 Wellesley St Auckland New Zealand Tel 570 1450 Telefax 570 1448 STAR MICRONIC...

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