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Block Diagram - Casio GZ-50M Service Manual

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MIDI IN
Photocoupler
IC106
PC900VP
Effect RAM
(256K-bit)
LSI102
LC33832M-70
DVDD
VCC
AVDD
DC IN
Power Supply Circuit
D102, D103
Q101~Q105
Line Out

BLOCK DIAGRAM

HD6433298A42F
Power ON signal
EA0 ~ EA14
ED0 ~ ED7
WCK1
D/A Converter
VDD
Filter
IC103
Line Out Amplifier
Mute Circuit
Q108, Q109
RESET
CPU
LSI104
A0 ~
A14
D0~D7
Working Storage RAM
SRM2264LM90-B
A0 ~ A14
A0 ~ A3
RA0 ~ RA19
DSP
LSI103
HG51B115FD
RD0 ~ RD15
SLOP
BCK
LSI101
UPD6376GS
Filter
IC103
Main
Volume
IC102
M5218AFP
— 9 —
Reset IC
IC104
RH5VL36A
Power Switch
POWER
(64K-bit)
LSI106
Sound Source ROM
(16M-bit)
LSI105
TC5316200CF-C117
Headphone
Headphone
Amplifier
IC101
LA4525

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