Casio TK-6500 Service Manual

— 1 —• CPU Name uPD784215GC084-8EUNumber of control bit 8bitInternal RAM 4 KBytes• RAM1 and 2 Name HY628100ALLG-70Capacity 128 K bytes• Option RAM3 Name HM628512BLP-5/7SCLCapacity 512 Kbytes• Flash ROM1 Name LH28F016SCT-L95Capacity 2 M bytes• Printer Name M-U420-061Print method Impact dot matrix printerPaper cut Manual-paper cut• Roll paper Type Fine-quality paperSize Width 44.5 ± 0.5 mmRoll diam 83 mm or lessThickness 75 ± 15 μm1. SPECIFICATIONS1-1. Electrical specifications120V 220V 230V 240V• Power consumption In operation Max. 0.7 A 0.4A 0.4A 0.4AMin. 0.3 A 0.2A 0.2A 0.2APower OFF 0.3 A 0.2A 0.2A 0.2A• Memory protection Back-up battery VL3032/1F2Back-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