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Keyboard PCB
CN802
(MCZS-KYB1)
Keyboard
CN803
CN804
CN14
SIN2/SOUT2
KEY CONTROLLER
IC11
SAD0 ~ SAD12,
SDBA0,SDBA1
SD-RAM (64Mbit)
IC2
SDD0 ~ SDD15
12MHz
CN19
SUB PCB
(M333-PSA1)
CN606
CN201
(5V)
VD5
CONSOLE PCB
(M333-CNA4)
Power
Power Supply Circuit
Switch
IC202,Q206,Q207
CN610
CN609
CN204
CONSOLE PCB
CONSOLE PCB (M333-CNA3)
(M333-CNA5)
BLOCK AND WIRING DIAGRAM
CN805
Keyboard PCB (MCZS-KYC1)
MPU
IC5
CN2
CN211
OPERATIONAL
AMPLIFIER
IC206
(5V)
(12V)
(12V)
VE5
VC
VA12
Power Amplifier
IC201
CN207
CN209
CN603
CN605
CONSOLE PCB
(M333-CNA2)
Keyboard
Control signal
DAC
IC10
LOUT
ROUT
CN212
CN206
CN203
(L)
(R)
Speakers
– 2 –
CN801
Keyboard
Keyboard PCB (MCZS-KYA1)
MAIN PCB (M333-MDA1)
FLASH (128Mbit)
IC6
D8 ~ MD15
A1 ~ A20
PS-RAM (16Mbit)
IC7
D0 ~ D15
RESET
Reset IC
IC1
CN9
CN601
CN602
Main
Volume
Buttons
CONSOLE PCB
(M333-CNA1)
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