Block Diagram - Casio CTK-480 Service Manual

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Output
Power Amp.
LA4598
IC101
VC
VCC AVDD DVDD LVDD
Power Supply Circuit
Q101 ~ Q104, D108, D109
DC+9V IN
Q105

BLOCK DIAGRAM

LED
CC1 ~ CC3
Filter (L)
Q109
Filter (R)
Q110
MSM 6755B-06
APO
Reset IC
IC102
Buttons
La ~ Lg,
Lp
KO8 ~
KO11
CPU
LSI101
KO0 ~ KO7
Oscillator
X101, Q111
KI0 ~ KI7
Keyboard

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