Related Manuals for Casio DL-220LA(GY)
Summary of Contents for Casio DL-220LA(GY)
- Page 1 (without price) DL-220LA(GY) (LX-226IY) DL-250LA(GYB) (LX-226JY) DR-120LA(WE) (LX-226AY) SEP. 1995 DL-220LA DR-120LA INDEX...
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Page 2: Table Of Contents
CONTENTS SPECIFICATIONS ......................1 BLOCK DIAGRAM ......................2 CPU (MN158418YCY) PIN FUNCTION ................. 3 TROUBLESHOOTING ....................4 DIAGNOSTIC......................... 5 SCHEMATIC DIAGRAM....................6 DISASSEMBLY VIEW ....................8 PARTS LIST ........................9... -
Page 3: Specifications
1. SPECIFICATIONS 4 basic arithmetic operations (+, -, ×, ÷), constants for ×/÷, sub-total/total/ Functions: grand total, item counting, ADD mode calculations, repeat calculations, memory calculations, percentage calculations and various kinds of practical calculations. Decimal point: Full floating, and fixed (0, 1, 2, 3, 4 or 6) with round-off, round-up or cut-off. Capacity: 12digits Display:... -
Page 4: Block Diagram
2. BLOCK DIAGRAM Display tube VF1,VF2 13-MT-31GB Segment signal Digital signal S1~S7,SAP,SDP D1~D13 SO1~SO7 Slide switch SI1~SI3,SI5 Ribbon shift signal Character selective signal Printer Timing pulse MN158418YCY M-80 KO1~KO8 Motor control signal Keyboard KI1~KI6 Motor power supply Power supply Detector power supply circuit —... -
Page 5: Cpu (Mn158418Ycy) Pin Function
3. CPU (MN158418YCY) PIN FUNCTION Signal Function Pin No. P00~P13 Common signal for keyboard 1~7, 64 P20~P22, P32, P33 Key signal from keyboard 8~12 Timing pulse signal from printer DEBIN Not used IRQCNT VDD (33V, 30mA) Motor control signal Ribbon shift signal for printer P42, P43, P50~P53 Character selective signal for printer 18~30... -
Page 6: Troubleshooting
4. TROUBLESHOOTING Note Trouble Cause Checkpoint VDD, VSS, VM, VF1, and 1) Does not work • Defective power transformer Secondary voltage of VF2 are OK? at all. transformer • Defective LSI Waveforms of each pin 2) No display. • No voltage at VF1, VF2 VF1, VF2 Check the pulse signals •... -
Page 7: Diagnostic
5. DIAGNOSTIC MODE SWITCHES OPERATION DISPLAY PRINT NOTE STEP 100. ÷ ◊/# The character with – -888.888888888 "[ ]" will be printed [88.8888888888] by red ink. -888.88888888 ÷ 1.234 • ÷ PRINT 1234. PRINT 1.61307189542 765 • = 1.61307189542+ PRINT CUT M 1.613071 1.613071 M+ PRINT CUT... -
Page 8: Schematic Diagram
6. SCHEMATIC DIAGRAM 6-1. Main Board... - Page 9 6-2. Key Matrix...
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Page 10: Disassembly View
7. DISASSEMBLY VIEW Connection Voltage Power Cord Transformer 100V Black Black Projection side Yellow 24 × 2 120V Projection side Blue Marking side Black Brown Black 220V INPUT OUTPUT Blue White Brown Black 240V Blue... -
Page 11: Parts List
8. PARTS LIST — 9 —... - Page 12 — 10 —...
- Page 13 8-11-10, Nishi-Shinjuku Shinjuku-ku, Tokyo 160, Japan Telephone: 03-3347-4926...