Casio CE-T300, Service Manual

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• CPU Name uPD784215GC175-8EU
Number of control bit 8bit
Internal RAM
4 KBytes
• RAM Name HY628100ALLG-70
Capacity 1 Mbits
• Flash ROM Name LH28F016SCT-L94
Capacity 16 M bits
• Printer Name LTP4242B-C432
Print method Thermal dot line printing
Dots per line 448 dots (print area 432 dots)
Resolution 8 dots/mm
Life span (at 25°C) 25 million characters
Activation pulse resistance 50 million pulse or more (print ratio = 25%)
Abrasion resistance 30 km or more
• Auto paper cutter Model ACU2224C-A
Longevity 300,000 cuts
• Roll paper Type Thermal paper
Size Width 58 + 0 mm - 1mm
Roll diam 83 mm or less
Thickness 75 ± 3 µm
1. SPECIFICATIONS (CE-T300)
1-1. Electrical specifications
120V 220V 230V 240V
• Power consumption In operation Max. 0.7 A 0.4A 0.4A 0.4A
Min. 0.3 A 0.2A 0.2A 0.2A
Power OFF 0.3 A 0.2A 0.2A 0.2A
• Memory protection Back-up battery VL3032/1F2
Back-up period 90 days (25 °C)
Battery life Replace the battery every 5 years.
Recharge time 48 hours
• Clock & Calendar Accuracy Within ± 30 sec. per month (25 °C)
Auto calendar Effective until 2099 A.D.
1-2. Environmental specifications
• Operating temperature 0 °C ~ 40 °C
• Operating humidity 10 % ~ 90 %
• Storage temperature -25 °C ~ 65 °C
• Storage humidity 10 % ~ 95 %
• Vibration strength 1.5 G (The machine must be in the carton box)
1-3. Main components