Block Diagram - Casio CTK-541 Service Manual

Phone/Output
Power Amp.
TA8248K
IC201
VC VCC DVDD AVDD
DC + 9V IN
Power Supply Circuit
Q201 ~ Q203, Q207, Q208, D205

BLOCK DIAGRAM

COM1 ~ COM16
LCD Driver
LCD KS0066U-10B
SEG1 ~ SEG40
DB4 ~ DB7
MIDI IN
MIDI OUT
Filter (L)
Q206
Filter (R)
Q205
APO
Power Switch
UPD6379GR-E1
LSI3
RS
R/W
KI0,KI1
E
FI8~FI10
CPU
GT913F(T)
LSI1
Reset IC
Oscillator
X1, Q1
IC1
Buttons
Keyboard
FI0 ~ FI7
KC0 ~ KC7
MD0 ~ MD15
ROM(8M-bit)
MSM538002E-
MA0 ~ MA19
N8GS - KDR1
LSI2