CASIO CTK485
Service Manual

ELECTRICAL
Current drain with 9 V DC: No sound output Maximum volume with white keys C1 to G2 pressed in Synth-Lead 1 Volume: maximum. Speaker output level (Vrms with 40 � load each channel): with key A1 pressed in Synth-Lead 1 Phone output level (Vrms with 8 � load each channel): with key A2 pressed in Synth-Lead 1 137 mA ± 20 % 710 mA ± 20 %

L-ch: 1,260 mV ± 20% R-ch:1,200 mV ± 20% L-ch: 93 mV ± 20% R-ch: 90 mV ± 20% 6.0 V

Minimum operating voltage:

�2�