
– 85 –
– DECK Section –
IC602
µPC1330HA
1
2
3
4
5
6
7
8
9
INVERTER
COMPARATER
SW R1
GND
SW P1 CONT
GND
VCC
SW P2 GND
SW R2
IC1502
LB1641
1
2
3
4
5
6
7
8
9
10
GND
MOTOR
DRIVE
NOISE
FILTER
CLAMP
FWD.IN
REV.IN
VCC 1
VCC 2
NOISE
FILTER
MOTOR
DRIVE
MOTOR
DRIVE
MOTOR
DRIVE
T.S.D
O.C.P
FWD/REV/STOP
CONTROL LOGIC
– MAIN/POWER SUPPLY Section –
IC281
µPC1237HA
5
6
7
8
OVER LOAD DET
F/F
V
CC
ON
MUTE
V
CC
IC401
MSM6653A-485RS
1
7
8
16
15
14
13
12
11
ADDRESS &
COMMAND
CONTROLLER
544KBIT ROM
(EDITING ROM &
ADDRESS ROM
CONTAINS 22KBIT)
I/O
INTERFACE
ADPCM
SYNTHESIZER
PCM
SYNTHESIZER
12BIT DAC
LPF
17BIT
MULTIPLEXER
DATA
CONTROLLER
17BIT
ADDRESS
COUNTER
MELODY
GENERATOR
BEEP TONE
GENERATOR
TIMING
CONTROLLER
OSC
17
18
19
20
2
3
4
5
6
9
10
8
7
12
VPP
I4
I5/SI
I6/SD
CH
RESET
BUSY
NAR
AOUT
GND
VDD
XT
XT
CMD
ST
I0
I1
I2/PORT0
I3/PORT1
PGM
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