(without price)
DL-270B (ZX-510IY)
DR-220TA (ZX-510AY)
NOV. 1995
INDEX
R
CONTENTS
1. |
SPECIFICATIONS ......................................................................................................... |
1 |
2. |
BLOCK DIAGRAM ........................................................................................................ |
2 |
3. |
CPU (MN158418YCY) PIN FUNCTION ......................................................................... |
3 |
4. |
TROUBLESHOOTING ................................................................................................... |
4 |
5. |
DIAGNOSTIC................................................................................................................. |
5 |
6. |
SCHEMATIC DIAGRAMS ............................................................................................. |
6 |
7. |
DISASSEMBLY VIEW ................................................................................................... |
8 |
8. |
PARTS LIST .................................................................................................................. |
9 |
1. SPECIFICATIONS
Functions: |
4 basic arithmetic operations (+, -, ×, ÷), constants for ×/÷, sub-total/total/ |
|
grand total, item counting, ADD mode calculations, repeat calculations, |
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memory calculations, percentage calculations and various kinds of practical |
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calculations. |
Decimal point: |
Full floating, and fixed (0, 1, 2, 3, 4 or 6) with round-off, round-up or cut-off. |
Capacity: |
12 digits |
Display: |
Digitron tube panel |
Ambient temperature range: |
0°C ~ 40°C (32°F ~ 104°F) |
Power supply: |
AC 100/120/220 or 240 V (±10 V), 50/60 Hz ••••• Fixed |
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*Rated current and voltage are printed on the calculator. |
Dimensions: |
83 mmH × 214 mmW × 376 mmD |
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(3 1/4"H × 8 3/8"W × 14 3/4"D) including rollholder. |
Weight: |
1.7 kg (3.8 lbs) |
— 1 —
2.BLOCK DIAGRAM
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Display tube |
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VF1, VF2 |
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SC131MH |
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Segment signal |
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Digital signal |
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S1 ~ S7, SAP, SDP |
D1 ~ D13 |
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SO1 ~ SO7 |
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Slide switch |
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SI1 ~ SI3, SI5 |
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Ribbon shift signal |
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CPU |
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Character selective signal |
Printer |
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Timing pulse |
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MN158418YCY |
M-80 |
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KO1 ~ KO8 |
VDD |
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Keyboard |
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Motor control signal |
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GND |
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KI1 ~ KI6 |
VSS |
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Power supply |
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Motor power supply |
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Detector power supply |
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circuit |
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— 2 —
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