Star Micronics LC-1011C Technical Manual
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Star Micronics LC-1011C Technical Manual

Star Micronics LC-1011C Technical Manual

Dot matrix printer
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DOT MATRIX PRINTER
L C - 1 0 1 1 C
L C - 1 0 0 +
C O L O U R
TECHNICAL MANUAL
[SECOND EDITION]

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Summary of Contents for Star Micronics LC-1011C

  • Page 1 DOT MATRIX PRINTER L C - 1 0 1 1 C L C - 1 0 0 + C O L O U R TECHNICAL MANUAL [SECOND EDITION]...
  • Page 2 However, should any errors be detected, STAR would greatly appreciate being in- formed of them. The above notwithstanding, STAR can assume no responsibility for any errors in this manual. © Copyright 1996 Star Micronics Co.,Ltd.

  • Page 3: General Specifications

    It is designed for use as a reference for periodic inspections and maintenance procedures to be executed by service personnel. It is not intended for the general user. Users of this manual should have a basic knowledge and understanding of the English language. Model Destination LC-1011C For American, Asia and Pacific market LC-100+ For European market COLOUR...

  • Page 5: Table Of Contents

    CHAPTER 1 GENERAL SPECIFICATIONS General Specifications ..................3 External Appearance and Composition .............. 5 Control Panel ......................6 3-1. Switch Combination Functions ................3-2. EDS Mode Settings ....................Parallel Interface ....................8 4-1. General Specifications ................... 4-2. Connector Signals ....................Serial Interface (option) ..................
  • Page 6 GENERAL SPECIFICATIONS – 2 –...

  • Page 7: General Specifications

    GENERAL SPECIFICATIONS General Specifications Printing System Serial Impact Dot-Matrix Printing Speed Pitch Draft (cps/dpi) NLQ (cps/dpi) Pica (10 cpi) 160/120H 40/240H Elite (12 cpi) 192/120H 48/240H Condensed pica (17 cpi) 137/240H 69/240H Condensed elite (20 cpi) 160/240H 80/240H H: half-dot Print Direction Draft: Bi-directional logic seeking...
  • Page 8 GENERAL SPECIFICATIONS Fanfold (with push tractor feeder) Paper width: 4" to 10" / 101.6 to 254 mm Paper thickness: 0.00276" to 0.00433" / 0.07 to 0.11 mm (one-ply) 0.00984" / 0.25 mm max. (total thickness of multi-ply paper) Paper weight: 14 to 22 lbs.

  • Page 9: External Appearance And Composition

    GENERAL SPECIFICATIONS External Appearance and Composition Fig. 1-2 Front View of the Printer Fig. 1-3 Diagram of Internal Composition – 5 –...

  • Page 10: Control Panel

    GENERAL SPECIFICATIONS Control Panel 3-1. Switch Combination Functions DRAFT 10CPI POWER MICRO FEED COURIER 12CPI QUIET SANSERIF FONT PROP PITCH PAPER FEED ON LINE QUIET COND MACRO PARK CLEAR Font Pitch Line Feed On-Line Form Feed Backward Forward Micro Feed Save Macro Set TOF Paper Park...
  • Page 11 GENERAL SPECIFICATIONS 3-2. EDS Mode Settings The EDS (Electronic DIP Switch) mode in this printer has some functions that you can set as the power on default. Turn the printer on while simultaneously holding the FONT, PITCH, and PAPER FEED buttons. You will hear an acknowledging beep as power comes on.

  • Page 12: Parallel Interface

    GENERAL SPECIFICATIONS Parallel Interface 4-1. General Specifications Item Specifications Interface Centronics-compatible Synchronization System Via externally supplied STROBE pulse I/F Protocol By ACK and BUSY signals Logic Level Compatible with TTL level Fig. 1-5 Timing Charts of Parallel Interface 4-2. Connector Signals Name Function STROBE...

  • Page 13: Serial Interface (Option)

    GENERAL SPECIFICATIONS Serial Interface (option) When using the serial interface, the optional Serial-Parallel Converter must be connected with the printer. 5-1. General Specifications Item Specifications Interface RS-232C level Synchronization System Asynchronous Baud rate 150 - 19,200 bit per second (BPS) [selectable] 150, 300, 600, 1200, 2400, 4800, 9600, 19200 BPS Word length Start bit:...

  • Page 14: Dip Switch Settings

    GENERAL SPECIFICATIONS 5-3. DIP Switch Settings Switch 8 data bits 7 data bits No parity Parity checked Handshaking protocols – see table below Odd parity Even parity Data transfer rate – see table below All switched are set ON when the printer leaves the factory. Protocol Switch 3 Switch 4...

  • Page 15: Ee-Prom Mode

    GENERAL SPECIFICATIONS EE-PROM Mode 6-1. Outline The settings described below can be changed if data is written to the EE-PROM on the main logic board. The mode for writing to the EE-PROM is designed for use by maintenance workers, not for use by the general user. In addition, this mode is subject to change without prior notice.

  • Page 16: Ee-Prom Map

    GENERAL SPECIFICATIONS 6-3. EE-PROM Map Address Function Factory data EDS setting Bit Function b0 Emulation Standard b1 Character Table (CT) Standard mode Graphics Italics IBM mode IBM #2 IBM #1 b2 RAM Usage Input Buffer Download Buffer b3 Auto Sheet Feeder Not Installed Installed b4 Paper out Detector...
  • Page 17 GENERAL SPECIFICATIONS Address Function Factory data EDS setting Bit Function b0 Code Page (CT=Graphics, IBM#1, #2) #437 1 1 1 1 1 #3841 1 1 1 0 1 #850 0 1 1 1 1 #3843 0 1 1 0 1 #860 1 0 1 1 1 #3844...
  • Page 18 GENERAL SPECIFICATIONS Address Function Factory data 2AH to 7DH Auto Start area (Emulation = STANDARD/EPSON) (42 Bytes) Auto Start area (Emulation = IBM) (42 Bytes) FF control code (Space 00H/Null 0FH) EE-PROM check code – 14 –...

  • Page 19: Rewriting The Ee-Prom

    GENERAL SPECIFICATIONS 6-4. Rewriting the EE-PROM Follow this procedure to rewrite the EE-PROM. Turn the printer on. Load a BASIC disk in the computer. Turn the computer on. Set a sheet of paper in the printer, and press the ON LINE switch. Enter the program listed below and run the program.
  • Page 20 GENERAL SPECIFICATIONS – 16 –...
  • Page 21 CHAPTER 2 THEORY OF OPERATION Block Diagram (Main Logic Board) ..............19 General Flow Chart ..................... 20 Power Supply Unit ....................21 Mechanism ......................22 4-1. Print Head Mechanism ..................4-2. Detectors .......................

  • Page 22: Theory Of Operation

    THEORY OF OPERATION – 18 –...

  • Page 23: Block Diagram (Main Logic Board)

    THEORY OF OPERATION Block Diagram (Main Logic Board) The block diagram of this printer is shown in Fig. 2-1. Data (From Host Computer) Print head Parallel Carriage Driver interface motor Gate array Switch Masked ROM Detectors Control panel board Paper feed Driver motor EE-PROM...

  • Page 24: General Flow Chart

    THEORY OF OPERATION General Flow Chart A general flow chart of editing and printing operations is presented in Fig. 2-2. POWER ON Initialization Ready state Read data Control code? Control code Data processing storage Print? (Line buffer determination) Data processing (Print out of data) or printing Return?

  • Page 25: Power Supply Unit

    THEORY OF OPERATION Power Supply Unit A ringing choke converter type unit is used with a dropper type unit in the power supply unit, fulfilling the input and output conditions described in the chart below. Voltage Range Max. Current Output Service Unit Type 110, 120 VAC...

  • Page 26: Mechanism

    THEORY OF OPERATION Mechanism 4-1. Print Head Mechanism The print head consists of 9 needle wires and 9 print solenoids. The following explains how each needle wire operates during printing. When the print solenoid is energized, the clapper is attracted by the iron core and the needle wire is driven toward the platen.

  • Page 27: Detectors

    THEORY OF OPERATION 4-2. Detectors Print head temperature detectors The A/D converter in the CPU detects the print head temperature at power on and before each line begins to print. Printer head Thermistor Fig. 2-5 Printer head temperature detector circuit Control Method (by Text printing) A/D Conversion Value AN Voltage...
  • Page 28 THEORY OF OPERATION Paper end Detector The paper end Detector is located in the paper chute unit. The A/D converter in the CPU detects the presence or absence of paper. Paper Fig. 2-7 Paper end detector circuit Control Method A/D Converte AN Voltage Detection POINT...
  • Page 29 CHAPTER 3 ADJUSTMENTS ADJUSTMENTS This printer has undergone various adjustments so that it will achieve standard performance. In this chapter, a brief explanation is given of the methods of adjustments. Follow the instruction when making maintenance inspections or when replacing parts to correct malfunctions. Gap Adjustment Between Print Head and Platen ..........
  • Page 30 ADJUSTMENTS – 26 –...

  • Page 31: Gap Adjustment Between Print Head And Platen

    ADJUSTMENTS Gap Adjustment Between Print Head and Platen 1-1. Measuring Gap Between Print Head and Platen Remove the upper case unit according to procedures described in Chapter 4. Set the index lever [1] at step two. Remove the ribbon guide [2]. Insert a thickness gauge [3] between the print head [4] and the platen [5], and measure the gap.

  • Page 32: Adjustment Of Timing Belt Tension

    ADJUSTMENTS Adjustment of Timing Belt Tension The timing belt tension should be set at from 14g to 19g. (The belt tension must be measured with the designated tension gauge [1].) After the belt has been used for a long time, however, it may be difficult to maintain prescribed tension because of belt deterioration or wear.

  • Page 33: Adjustment Of Home Position Detector

    ADJUSTMENTS Adjustment of Home Position Detector 3-1. Measuring Gap Between Home Position Detector and Frame Remove the printer cover [1]. Measure gap between home position detector [2] and frame [3]. The standard gap value is 3.8 0.3 mm. If the gap does not lie within this range, adjust it by following the procedure in item 3-2. Fig.
  • Page 34 ADJUSTMENTS – 30 –...
  • Page 35 CHAPTER 4 PARTS REPLACEMENT This chapter explains disassembly and reassembly of the printer. Note the following precautions during disassembly and reassembly. 1. Disconnect the printer from the socket-outlet before servicing it. 2. Assembly is the reverse of disassembly unless otherwise specified. 3.
  • Page 36 PARTS REPLACEMENT – 32 –...

  • Page 37: Upper Case Unit

    PARTS REPLACEMENT 1. Upper Case Unit Turn off the power switch [1] Remove Printer cover Rear cover Platen knob [2] Four tapping screws [3] Move the carriage unit [4] over to the right so that it aligns with the cut-out of the upper case unit [5]. Remove Upper case unit [5] Lean the upper case unit [5] forward for removal.

  • Page 38: Printer Mechanism

    PARTS REPLACEMENT 3. Printer Mechanism Remove Upper case unit according to the procedure described in item 1. Stop ring [1] Move the platen gear [2] in the direction of the arrow. Move the release lever [3] in the direction of the arrow.

  • Page 39: Power Supply Unit

    PARTS REPLACEMENT 5. Power Supply Unit Remove Upper case unit according to the procedure described in item 1. Connector [1] Two tapping screws [2] Two screws [3] Power switch [4] Power supply unit [5] 6. Fuse Remove Upper case unit according to the procedure de- scribed in item 1.

  • Page 40: Print Head

    PARTS REPLACEMENT 7. Print Head Remove Printer cover Ink ribbon cartridge Connector cover [1] Color ribbon holder [2] Two tapping screws [3] Head cable [4] Print head [5] WARNING The print head gets hot after printing. Do not touch it until it get cool. Adjust Gap between print head and platen.

  • Page 41: Platen Unit

    PARTS REPLACEMENT 9. Platen Unit Remove Upper case unit according to then procedure described in item 1. Two nuts [1] Tractor stay [2] Ground contact spring [3] Two platen holders [4] Lift two tabs [5] of two platen holders for removal from the frame.

  • Page 42: Detector Unit

    PARTS REPLACEMENT 11. Detector Unit Remove Printer mechanism according to the procedure described in item 3. 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 43 CHAPTER 5 MAINTENANCE AND LUBRICATION Maintenance ......................41 1-1. Cleaning ......................... 1-2. Checks ........................Lubrication ......................42 2-1. Lubricant ........................ 2-2. Lubricating Method ....................Lubricated Areas ....................
  • Page 44 – 40 –...

  • Page 45: Maintenance And Lubrication

    MAINTENANCE AND LUBRICATION Maintenance In order to maintain the optimum performance of this printer and to prevent trouble, maintenance must be carried out according to the following items. 1-1. Cleaning Removal of dirt Wipe off dirt with a soft cloth soaked in alcohol or benzine. Note: Do not use thinner, trichlene or ketone solvents because they may damage plastic parts.

  • Page 46: Lubrication

    MAINTENANCE AND LUBRICATION Lubrication Lubrication is very important to maintain optimum performance and to prevent trouble. 2-1. Lubricant The type of lubricant greatly affects the performance and durability of the printer, especially in a low temperature environment. We recommend use of the grease and lubrication oils listed below for this printer Product name Maker FLOIL GB-TS-0 and FLOIL GB-100...
  • Page 47 MAINTENANCE AND LUBRICATION Fig. 5-1 Lubricated Areas (printer mechanism) – 43 –...
  • Page 48 MAINTENANCE AND LUBRICATION Fig. 5-2 Lubricated Areas (Carriage unit) Fig. 5-3 Lubricated Area (Roller holder unit) – 44 –...
  • Page 49 TROUBLESHOOTING CHAPTER 6 TROUBLESHOOTING Troubleshooting Procedures ................47 Unit Replacement Priority Chart ................ 48 Repair by Unit Replacement ................49 Repair by Parts Replacement ................55 4-1. Does not Operate at All with Power on ............. 4-2. Power Supply Circuit Abnormal ................ 4-3.

  • Page 50: Chapter 6 Troubleshooting

    TROUBLESHOOTING – 46 –...

  • Page 51: Troubleshooting

    TROUBLESHOOTING Troubleshooting Procedures Troubleshooting is never easy because various problems arise depending upon the particular location of the breakdown. The following procedures should be taken in making repairs. The first method is to make repairs through unit replacements. The two display codes appearing in the flow chart are defined as follows: 1) indicates main logic board replacement;...

  • Page 52: Unit Replacement Priority Chart

    TROUBLESHOOTING Unit Replacement Priority Chart Unit Exchange Sequence Problem Category Remarks Power Main Printer Control Details supply unit logic board mechanism panel board Specific display lamp only will not glow Specific switch only cannot be input Buzzer does not sound (sound volume inadequate) Strange sounds...

  • Page 53: Repair By Unit Replacement

    TROUBLESHOOTING Repair by Unit Replacement START * Turn power off. * Remove I/F cable. * Mount ink ribbon. * Set paper. * Move carriage to center. Turn power on. Carriage Moves? Carriage operates normally? *1 See (6) waveform in item 9 of Chapter 7. Carriage motor operating waveform is normal? *1...
  • Page 54 TROUBLESHOOTING On line lamp light? On line lamp signal is normal? Replace control panel board. Press on line switch to take off line. Replace main logic board. On line lamp is out? Press paper feed switch. Paper feed switch *2 See (7) and (8) waveform in operation is normal? item 9 of Chapter 7.
  • Page 55 TROUBLESHOOTING Printing operation *3 See (4) and (5) waveform in is normal? item 9 of Chapter 7. Print head drive signal waveform is normal? *3 1) Replace main logic board. 2) Replace printer mechanism. Replace printer mechanism. Paper feed operation is *2 See (7) and (8) waveform in normal? item 9 of Chapter 7.
  • Page 56 TROUBLESHOOTING Printing begins? Printing operation normal? 1) Replace I/F cable. Stop print program. 2) Replace main logic board. 3) Check host computer. Carriage moves with hand? Replace printer mechanism. Output (25~45V, +5V) of power supply unit is normal? *4 1) Replace main logic board. 2) Replace printer mechanism.
  • Page 57 TROUBLESHOOTING Output of power supply unit is normal? *4 Turn power off. Replace power supply unit. Connect connector CN7 from main logic board. Turn power on. Fuse blows out? Replace fuse. 1) Replace main logic board. 2) Replace printer mechanism. 3) Replace control panel board.
  • Page 58 TROUBLESHOOTING *5 See (9) waveform in item 9 of Chapter 7. I/F signal is normal? *5 Ready condition? There is data transmission? Check hardware or host I/F mode set computer print program. up properly? 1) Replace I/F cable. 2) Replace main logic board. Change I/F mode.

  • Page 59: Repair By Parts Replacement

    TROUBLESHOOTING Repair by Parts Replacement 4-1. Does not Operate at All with Power on START 25~45V, +5V supplied? *1 See 4-2. Power Supply DC Power abnormal. Circuit Abnormal. RESET signal becomes HIGH? *2 Check RESET circuit; replace parts. Crystal waveform is normal? *3 Check crystal circuit;...

  • Page 60: Power Supply Circuit Abnormal

    TROUBLESHOOTING 4-2. Power Supply Circuit Abnormal Remove connector CN5 from the main logic board. START Fuse F1 is blown? Replace Fuse F1 Fuse is blown again? Replace Power supply unit The no load voltages are below; VH(25~45V) Line 25~45V Between Pin 5 and Pin 3 of CN101 VL(5V) Line Between Pin 1 and Pin 2 of CN101 Fuse F2 is...

  • Page 61: Defective Motor Operation

    TROUBLESHOOTING 4-3. Defective Motor Operation START START CR-ø1, LF-CMN ø2, ø3, ø4 are signal is normal? normal? *6 Check and replace Check and replace 1) TA4 1) TA1 2) TR5 2) Gate array 3) CPU LF-ø1, ø2, ø3, ø4 are normal? *5 Check and replace 1) TA4...

  • Page 62: Defective Print Head Operation

    TROUBLESHOOTING 4-4. Defective Print Head Operation START Does not print at all? A specific 25~45V pin does not line is work? Check and replace supplied? 1) TR4 2) TA2, TA3 Power supply unit abnormal. (Refer to item 4-2.) Head energizing control Print is light signal is normal? as whole?

  • Page 63: Defective Interface Operation

    TROUBLESHOOTING 4-5. Defective Interface Operation START Press on line switch to take on line. Send print program from host computer. *8 See (9) waveform in item 9 of Chapter 7. Is I/F signal normal? *8 Incorrect print generated? Check I/F cable. Check and replace 1) Gate array 2) CPU...
  • Page 64 TROUBLESHOOTING – 60 –...
  • Page 65 CHAPTER 7 PARTS LIST HOW TO USE PARTS LIST DRWG. NO. This column shows the drawing number of the illustration. REVISED EDITION MARK This column shows a revision number. Part that have been added in the revised edition are indicated with"#". Part that have been abolished in the revised edition are indicated with"*".

  • Page 66: Printer Assembly

    Printer Assembly 1-1. Disassembly Drawing – 62 –...

  • Page 67: Parts List

    1-2. Parts List Printer Assembly DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK 89421040 MECHANISM WITH HEAD DP711B (D) 87819020 UPPER CASE UNIT HL-10(D) FOR US,TW,AS,HK,LA 87819040 UPPER CASE UNIT HL-10 EC(D) FOR EC,UK, 87818320 POWER SUPPLY UNIT HL-10 TW(D) FOR TW 87818310 POWER SUPPLY UNIT...

  • Page 68: Printer Mechanism

    Printer Mechanism 2-1 Disassembly Drawing – 64 –...

  • Page 69: Parts List

    2-2. Parts List Printer Mechanism DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK 89136040 PRINT HEAD DP7301B 86423050 PLATEN UNIT 711B 86422020 CARRIAGE UNIT 86421060 CARRIAGE MOTOR UNIT 711B 86420770 PAPER FEED MOTOR ASSY 711B 86420760 FRAME L ASSY 711B 86420750 DETECTOR UNIT B...

  • Page 70: Sub-Assembly

    Sub-assembly 3-1. Upper Case Unit DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK 87810690 CONTROL PANEL BD UNIT HL-10(D) 83025611 UPPER CASE QA-10 80088190 OPERATION SHEET HL-10 80060390 BRAND PLATE HL-10 EC FOR EC,UK 80060360 BRAND PLATE HL-10 FOR US,TW,AS,HK,LA –...

  • Page 71: Lower Case Unit

    3-2. Lower Case Unit DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK 87811510 DETECTOR UNIT ASSY QA-10 87817010 ROLLER HOLDER UNIT QA-10(D) 83026370 LOWER CASE HL-10 NPN6370 LOWER CASE CHASSIS QA-10 81360941 RELEASE SHAFT B 80991610 RUBBER FOOT NB24-10 01903058 SCREW TAT 3-10 PT 00930803...

  • Page 72: Serial-Parallel Converter (Option)

    3-3. Serial-Parallel Converter (Option) 24-1 24-7 24-5 24-2 24-3 24-8 24-4 24-6 24-6 24-6 DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK 24-1 NPN6370 UPPER CASE SPC-8K 24-2 NPN6370 CPU BOARD UNIT SPC-8K 24-3 87590020 IF BOARD UNIT SPC-8K 24-4 NPN6370 LOWER CASE UNIT...

  • Page 73: Platen Unit

    3-4. Platen Unit DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK 83904700 PLATEN HOLDER 711B 83101820 PLATEN GEAR 82210191 WAVE WASHER 80202300 PLATEN 711B 04020018 STOP RING SE8.0 04012503 ROLL PIN SP2.5X14 – 69 –...

  • Page 74: Carriage Unit

    3-5. Carriage Unit DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK 86422350 RIBBON CASSETTE GEAR ASSY 86422340 IDLER GEAR ASSY 86422330 LIFT LEVER ASSY 86422320 CARRIAGE ASSY 86312460 IDLER ASSY 86060950 GEAR COVER ASSY 891CL 86060620 CLUTCH LEVER ASSY 83910853 GEAR COVER INCLUDED NO.3-6...

  • Page 75: Tractor Unit

    3-6. Tractor Unit DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK 11-1 83910871 TRACTOR COVER L 11-2 83910861 TRACTOR COVER R 11-3 83901631 TRACTOR HOLDER L 11-4 83901620 TRACTOR HOLDER R 11-5 83901601 SHEET GUIDE 11-6 83400321 CLAMP LEVER L 11-7 83400311 CLAMP LEVER R...

  • Page 76: Wiring Scheme Of Printer

    Wiring Scheme of Printer – 72 –...
  • Page 77 [Blank Page] – 73 –...

  • Page 78: Main Logic Board

    Main logic board 5-1. Circuit Diagram – 74 –...
  • Page 79 – 75 –...

  • Page 80: Component Layout

    5-2. Component Layout – 76 –...
  • Page 81 – 77 –...

  • Page 82: Parts List

    5-3. Parts List Main Logic Board DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK 08240084 GATE ARRAY D65622GF-HL1 08221002 SRAM HM6264P-100NS 08222017 EPROM D27C1001D-150NS HL *.* 09110077 IC SOCKET ICS-32-2T 08251007 MA3000S0FP 08222047 EEPROM KM93C46 06051034 RD RESISTOR 10 K-OHM 1/6W BACK SIDE Pin1-5 08200142 IC-RESET PST592D-2*...
  • Page 83 Main Logic Board DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK 06051051 RD RESISTOR 1 M-OHM 1/6W R69-71 06051034 RD RESISTOR 10 K-OHM 1/6W R72-75 06051025 RD RESISTOR 1 K-OHM 1/6W R76-79 06054725 RD RESISTOR 4.7 K-OHM 1/6W 06051025 RD RESISTOR 1 K-OHM 1/6W 06584723 RESIS.

  • Page 84: Control Panel Board

    Control Panel Board 6-1. Circuit Diagram 6-2. Component Layout 6-3. Parts List Control Panel Board DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK R100-109 06052414 RD RESISTOR 240 OHM 1/6W POW, LED 08300137 LED SLR-342YC LED0-8 08300138 LED SLR-342MC SW0-3 09010041 PUSH SWITCH SKHHAL...

  • Page 85: Power Supply Unit

    Power Supply Unit 7-1. Circuit Diagram CN101 C106 R101 C104 L101 C102 C101 C103 C105 C101 : OPEN 7-2. Component Layout – 81 –...

  • Page 86: Parts List

    7-3. Parts List Power Supply Unit DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK C102-103 CERA. CAPA. 1000PF 400V C104 CERA. CAPA. 4700PF 50V C105 CHEM. CAPA. 4700UF 16V C106 CHEM. CAPA. 4700UF 50V CN101 FLAT CABLE 5X140 HL-10 DIODE STACK S1NB20 DIODE STACK D3SBA20 CABLE UNIT 01X100TT...

  • Page 87: Serial-Parallel Converter Board (Option)

    Serial-Parallel Converter Board (Option) 8-1. Wiring Scheme – 83 –...

  • Page 88: I/F Board

    8-2. I/F Board 8-2-1. Circuit Diagram 8-2-2. Component Layout 8-2-3. Parts List DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK IC101 08200125 IC-I/F LT1081CN IC102 08200109 IC-RESET M51953BL R101 06053324 RD RESISTOR 3.3 K-OHM 1/6W C101-104 05034758 CHEM. CAPA. 4.7UF 25V C105 05551044 CAPACITOR 0.1UF 50V...

  • Page 89: Cpu Board

    8-3. CPU Board 8-3-1. Circuit Diagram – 85 –...

  • Page 90: Component Layout

    8-3-2. Component Layout 8-3-3. Parts List CPU Board DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK 08250011 MASKED CPU HD63B01YF-IF 08221021 SRAM HM6264LFP-100NS 07603007 DIGITAL TRANSISTOR RTIN434C-T 06754721 CHIP RESISTOR 4.7 K-OHM 1/10W TR2-4 06751021 CHIP RESISTOR 1 K-OHM 1/10W 06754721 CHIP RESISTOR 4.7 K-OHM 1/10W TR6-7...

  • Page 91: Waveform With Oscilloscope

    Waveform with Oscilloscope (1) Crystal (10 MHz) (2) RESET (Power on reset) Crystal (Pin 29 of IC4) Upper : RESET input (Pin 1 of IC7) Time/Div : 0.2 s Lower : RESET output (Pin 3 of IC7) Volt/Div : 1V Time/Div : 10 ms Volt/Div : 2V...
  • Page 92 (7) Paper Feed Motor Common Control Signal and (8) Paper Feed Motor Control Signal and Driving Signal Driving Signal (5V) (4V) (0V) (0V) (50V) (20V) (0V) (0V) Upper : LF-CMN Control Signal (Pin 56 of IC4) Upper : LF-ø1 Control Signal (Pin 50 of IC1) Lower : LF-CMN Driving Signal (Pin 1 of CN5)
  • Page 94 HEAD QUARTERS OVERSEAS SUBSIDIARY COMPANIES STAR MICRONICS DEUTSCHLAND GMBH STAR MICRONICS U.K.LTD. STAR MICRONICS CO., LTD. JAPAN STAR MICRONICS AMERICA INC. Star House, Peregrine Business Westerbachstraße 59 P.O.Box 940330 Park, Gomm Road, High Wycombe D-60489 Frankfurt/Main 90 536 Nanatsushinya, Shimizu, 70-D Ethel Road West.

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