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Table of Contents
Summary of Contents for Olimpia CM 721/6 Plus
- Page 1 CM 721/6 P Technical Manual Published on July, 2000 Version 1.0...
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Page 2: Table Of Contents
TABLE OF CONTENTS 1. INTRODUCTION ..............2 1.1 PRINCIPAL SPECIFICATION ............2 1.2 BASIC FUNCTION ..............2 1.3 SYSTEM BLOCK DIAGRAM ............2 1.4 OUTLINE ............... 3 2. CIRCUIT .................4 2.1 POWER SUPPLY CIRCUIT ............4 2.2 TRANSFORMER WIRING DIAGRAM ............ 6 2.3 POWER SUPPLY SPECIFICATION ............ -
Page 3: Introduction
1. INTRODUCTION 1.1 PRINCIPAL SPECIFICATION Primary Power 230V ± 10%, 50Hz or 60Hz ± 10% Maximum Power Consumption 15.0W Backed-up Power Ni_Cd Battery 3.6V, 270mAh Printer EPSON M-42V Microcontroller MITSUBISHI M38B57M6 24K ROM and 1K RAM Roll Paper 58(W)*50(D) mm Display Panel of CM721 Front Fluorescent Tube, 12 digits Display Panel of CM726... -
Page 4: Outline
1.4 OUTLINE CM721/726 TECHNICAL MANUAL VERSION 1.0 2001.9.11... -
Page 5: Circuit
2. CIRCUIT 2.1 POWER SUPPLY CIRCUIT FU SE(SLOW BLOW )1 C N5 250V 1A +P6V +17V 125V/500mA -30V 1S2076 R L102-E R 24 Z D1 B6P-SHF -1AA H Z5C-3/ RD 5. 6EB1 H EAT SI NK 1S2076 100uF 50V 2SC3242A 125V/1A ＊... - Page 6 -30V The -30V circuit uses 27V AC across pins 3 and 4 of CN5. This AC voltage is rectified by D4 a RL102-E diode, and filtered by EC2, a 100uF capacitor. -30V is approximately -30V DC. This voltage is used by the display and CPU. Filament Voltage (F1, F2) The display tube uses the filament voltage F1, F2.
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Page 7: Transformer Wiring Diagram
2.2 TRANSFORMER WIRING DIAGRAM CT-63E YELLOW 15.6V GRAY YELLOW AC230V 50Hz ORANGE ORANGE 4.45V ORANGE FIG 2.2 Transformer Wiring Diagram 2.3 POWER SUPPLY SPECIFICATION Input-Power Consumption Standing by Maximum 6.5 watts Printing Maximum 15.0 watts Output-Rated Voltage +17V to GND Voltage 12V ±... -
Page 8: Main Circuit
2.4 MAIN CIRCUIT 2.4.1 CPU GENERAL DESCRIPTION The M38B57M6 is a 8-bit microcomputer with 24K Bytes ROM, 1K Bytes RAM, and incorporate many serial interface, hardware peripherals such as an VFD controller/driver,8 bit resolution A/D converter, timer counter and interrupt function integrated on one chip FEATURES •... - Page 9 PIN ARRANGEMENT (TOP VIEW) M38B57M6-183FP P57/SRDY 2/SCLK22 P30/FLD24 P56/SLCK21 P31/FLD25 P55/TXD P32/FLD26 P54/RXD P33/FLD27 P53/SCLK12 P34/FLD28 P52/SCLK11 P35/FLD29 P51/SOUT1 P36/FLD30 P50/SIN1 P37/FLD31 AVSS P80/FLD32 VREF P81/FLD33 P65/SSTB1/AN11 P82/FLD34 P64/INT4/SBUSY 1/AN10 P83/FLD35 P63/AN9 P62/SRDY 1/AN8 P84/FLD36 P77/AN7 P85/RTP0/FLD37 P76/AN6 P86/RTP1/FLD38 FIG 2.3 CPU Pin Configurtion (Top View) P00 to P07,P30 to P37,P10 to P17 :Fluorescent indicator panel P20 to P27 :Key matrix Retrun(Keyboard)
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Page 10: Beep And Drawer Driver Circuits
2.4.2 BEEP AND DRAWER DRIVER CIRCUITS The solenoid for a drawer is activated using the signal P46 from the CPU. This signal is normally Low, and goes High to cause the drawer to run. When P47 is High, T4 is on. Current flow through the transistor cause the collector to be held Low, near grand potential. -
Page 11: Display Circuit
2.4.4 DISPLAY CIRCUIT Scan signal for the display outputs from P30-P37, P14-P17 P21 of CPU. It goes to display grid signals 1G-12G. P00-P07 and P10 indicate segment signal and these are connected to each segment of the digit. Along with Segment signal and Grid signal, High level segment is turned on. I/O port of the CPU, which controls Segment, is high-voltage port and directly drives fluorescent display. -
Page 12: Printer Circuit
2.4.5 PRINTER CIRCUIT The printer circuit consists of printer detect and printer drive circuit, printer timing and detection is generated by using U3(HD14001). U1 usesd for printer driving. U1-6 drives printer motor, the printer motor is activated by using the signal “PRINT” of CPU. The signal is normally low, and goes high to activate the motor. -
Page 13: Keyboard Matrix
2.4.6 KEYBOARD MATRIX P16,P17,P30-P37 of CPU provide the strobe lines to keyboard,and the keyboard return lines to P20-P24 of CPU. C N4 C N1 DI G1 DI G2 DI G3 DI G4 DI G5 DI G6 DI G7 DI G8 DI G9 D IG10 R EG... -
Page 14: Trouble Shooting Procedure
3. TROUBLE SHOOTING PROCEDURE In the Event Following Abnormal Symptom Happened Upon Turning Power On ** Trouble shooting should be fixed by service personnel** • The ECR does not respond at all, no display, no print Actions: ( Please check the ECR in the following sequence ) a) To check electric conductivity of AC cable and AC plug. -
Page 15: Printer Information
4. PRINTER INFORMATION • Printing Method : Character wheel type serial printer • No. of printed columns : Maximum 19 columns(2 symbol columns are included) • Character Types : Symbol 13 positions +1 spaces Numeral 14 positions • Character Size : 1.6mm(W)X2.8mm (H) •... - Page 16 Connection Teminal No. Trigger Solenoid (-) Trigger Solenoid (+) Motor (+) Motor (-) Timing Signal T Reset Signal R Common C Timing Sub-Signal T • Character Lay ←Columns ０ ０ ０ ０ ０ ０ ０ ０ ０ ０ ０ ０ ０...
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Page 17: Display Information
5. DISPLAY INFORMATION Itron Type Name : 13-LT-14G 1) Ratings Parameter Symbol Minimum Typical Maximum Unit Operating Temp. ºC Storage Temp. ºC Filament Voltage Grid Voltage 26.0 31.0 Vp-p Anode Voltage 26.0 31.0 Vp-p 2) Electrical Characteristics Parameter Sym. Test Condition Minimum Typical Maximum... -
Page 18: Circuit Diagram
6. CIRCUIT DIAGRAM -30 V CN 3 HB RN9 S-2/HBR N6 S-2 VFD 1 VFD 2 CN 6 B2B -X H-A C1 6 R3 1 VB B 10 00 P 1 /2 W 10 0 D1 0 10 00 P C1 8 10 00 P C1 5... -
Page 19: Removal, Re-Assemble
7. REMOVAL, RE-ASSEMBLE 7.1 Keyboard Assembly Removal: 1) Unscrew the 5-screws (10), 10 screw (1) and remove keyboard PCB (2), rubber key (4). 2) Remove 1 double key cap (9) and 1 double key-top (6) and 12 number keys (13)~(24). 3) Remove the 26-transparency key caps (11), key label (7) or (8) and 26 single key-tops (12). -
Page 20: Cash Drawer Assembly
7.2 Cash Drawer Assembly Removal: 1) Remove cash drawer tray (2) Re-assemble: Reverse the procedure described above. CM721/726 TECHNICAL MANUAL VERSION 1.0 2001.9.11... -
Page 21: Cash Drawer Tray Assembly
7.3 Cash Drawer Tray Assembly Removal: 1) Unscrew 3 screws (2), remove 3 plastic clip assemblies (4) (5) (6). 2) Remove 2 plastic plates (8). 3) Unscrew the nut hex (13) then remove it. Re-assemble: Reverse the procedure described above. CM721/726 TECHNICAL MANUAL VERSION 1.0 2001.9.11... -
Page 22: Cash Drawer Case Assembly
7.4 Cash Drawer Case Assembly Removal: 1) Unscrew the 6-screw (4), remove (15) from others. 2) Screw off 2 nuts (3). Then remove the (2). 3) Unscrew 3-screws (8), remove (5). 4) Unscrew the screws (13), then remove (12), (14). 5) Unscrew 2-screws (6) remove all the others. -
Page 23: General Drawing Of Cm721/Cm726
7.5 GENERAL DRAWING of CM721/CM726 Removal: 1). Remove the printer cover (6), and unscrew 4 screws (22), 2 screws fixing to cash drawer, and 2 screws fixing to metal support (23), remove the upper housing: a). Remove 5 screws fixing to keyboard assembly (5) and remove (5). b).