Casio Explore the Features and Specifications of CTK 401
Page 4
LCD
Output
Power Amp.
— | | TA8248K |
2 | |
| IC101 |
— | |
| |
| | VC VCC DVDD |
| DC + 9 V IN | Power Supply Circuit |
| |
| | Q101 ~ Q103, D104 |
BLOCK DIAGRAM
COM1 ~ COM16
LCD Driver
SED1278F0A
LSI3
SEG1 ~ SEG40
RS
DB4 ~ DB7R/W KO8 ~
E KO12
Filter (L)
Q104
Filter (R)
Q105CPU MSM 6755B-17
LSI1
APO
ButtonsKeyboard
KI0 ~ KI6
KO0 ~ KO7
MD0 ~ MD7
ROM(2M-bit)
UM23C2101M
MA0 ~ MA17
7384/Q
LSI2
Reset IC | Oscillator |
IC1 | X1, Q1 |