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Casio CTK-411 Service Manual

Casio CTK-411
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— 2 —
BLOCK DIAGRAM
CPU
MSM 6755C-17
LSI1
Keyboard
Buttons
LCD
LCD Driver
KS0066U-10B
LSI3
Reset IC
IC1
Oscillator
X1, Q1
Power Supply Circuit
Q101 ~ Q103, D104
Power Amp.
LA4598
IC101
Filter
Q105
Speaker
(L)
Speaker
(R)
Phones/Output
VC
AVDDVCC DVDD
APO
MD0 ~ MD7
MA0 ~ MA17
DC + 9 V IN
DB4 ~ DB7
COM1 ~ COM16
SEG1 ~ SEG40
RS
R/W
E
KO8 ~
KO12
KI0 ~ KI6
KO0 ~ KO7
ROM(2M-bit)
UM23C2101M
7384/Q
LSI2
Power Switch

Table of Contents

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Preview: User Guide
User Guide14 pages

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Casio CTK-411 Specifications

General IconGeneral
BrandCasio
ModelCTK-411
CategoryElectronic Keyboard
LanguageEnglish

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