Casio DL-220LA(GY) Service Manual & Parts List Download | Manualshive

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R

(without price)

DL-220LA(GY)

(LX-226IY)

DL-250LA(GYB)

(LX-226JY)

DR-120LA(WE)

(LX-226AY)

SEP. 1995

DR-120LA

DL-220LA

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2
3
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Summary of Contents for DL-220LA(GY)

Page 1: ...R without price DL 220LA GY LX 226IY DL 250LA GYB LX 226JY DR 120LA WE LX 226AY SEP 1995 DR 120LA DL 220LA INDEX ...

Page 2: ...CONTENTS 1 SPECIFICATIONS 1 2 BLOCK DIAGRAM 2 3 CPU MN158418YCY PIN FUNCTION 3 4 TROUBLESHOOTING 4 5 DIAGNOSTIC 5 6 SCHEMATIC DIAGRAM 6 7 DISASSEMBLY VIEW 8 8 PARTS LIST 9 ...

Page 3: ...ds 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 Digitron tube panel Ambient temperature range 0 C 40 C 32 F 104 F Power supply AC 100 120 220 or 240 V 10V 50 60 Hz Fixed Rated current and voltage are printed on the calculator Dimensions 83mmH 214mmW 376mmD 3 1 4 H 8 3 8 W 14 3 4 D including rollholder We...

Page 4: ...witch Keyboard Printer M 80 VF1 VF2 Ribbon shift signal Character selective signal Timing pulse Digital signal D1 D13 Motor control signal Motor power supply Detector power supply VDD GND VSS Segment signal S1 S7 SAP SDP SO1 SO7 SI1 SI3 SI5 KO1 KO8 KI1 KI6 2 BLOCK DIAGRAM ...

Page 5: ...3 PE0 VPP VDD OCS1 OCS2 VSS RST Function Common signal for keyboard Key signal from keyboard Timing pulse signal from printer Not used VDD 33V 30mA Motor control signal Ribbon shift signal for printer Character selective signal for printer Character selective signal for printer Segment signal for display Segment signal for display Common signal for slide switch VDD 33V 30mA Signal from slide switc...

Page 6: ...r Defective LSI Short or open circuits between digit signals and segment signals Defective display tube Timing signal is bad Defective printer magnet Checkpoint Secondary voltage of transformer Waveforms of each pin VF1 VF2 Signal D1 S1 Between LSI and display tube Note VDD VSS VM VF1 and VF2 are OK Check the pulse signals from LSI If VF1 VF2 Digit and Segment signals are OK VM 11V while printing ...

Page 7: ...CHES ON F 6 ON F 6 ON F 6 ON F 6 ON F 6 PRINT F 6 PRINT F 6 PRINT CUT 6 PRINT CUT 4 PRINT UP 3 PRINT UP 2 PRINT 5 4 1 PRINT 5 4 0 PRINT 5 4 ADDX PRINT 5 4 ADDX PRINT 5 4 ADDX PRINT 5 4 ADD PRINT 5 4 ADD ITEM 5 4 ADD ITEM 5 4 ADD ITEM 5 4 ADD ITEM 5 4 ADD ITEM 5 4 ADD PRINT 88 8888888888 1 234 765 1 61307189542 1 613071 M 1 6131 M 1 614 M 1 614 5 M 0 08 1 54 1 5 2 1 613 M 1 613 M 0 1 DISPLAY 100 0 ...

Page 8: ... 6 6 SCHEMATIC DIAGRAM 6 1 Main Board ...

Page 9: ... 7 6 2 Key Matrix ...

Page 10: ...4 13 16 17 18 18 21 19 20 22 23 24 25 26 27 OUTPUT 24 2 INPUT 23 25 26 27 Power Cord Black Projection side Projection side Marking side Brown Blue Brown Blue Transformer Black Yellow Blue Black Black White Black Red Connection Voltage 100V 120V 220V 240V ...

Page 11: ... 9 8 PARTS LIST ...

Page 12: ... 10 ...

Page 13: ...8 11 10 Nishi Shinjuku Shinjuku ku Tokyo 160 Japan Telephone 03 3347 4926 ...

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