Yamaha DM 1000, Service Manual

Page: 253 / 307

Hard: Digital block
(Panel display, Operation control)
Monitor level Joystick
Encoders w/SW
(CH1-16)
(See Page 3)
100mm Motorized Faders with Touch Sense: CH1-16 & ST
Motor Position Touch Sense
Servo Driver
Circuits
CH1-16 & ST
CH1-16 & ST
SUB CPU
SH7042A
IC203(112P) PE0-3
Multiplexer
(4:1) x 4
CH1-16 ST
IC502(16P),IC506(16P)
D Type
Flip Flop
IC503(20P),IC504(20P),
IC505(20P)
A/D Convertor
Multiplexer
(4:1) x 5
IC603(16P),IC604(16P),
IC609(16P)
RXD1, TXD1
Multiplexer
(4:1) x 1
IC205(16P)
D Type
Flip Flop
IC402(20P),IC403(20P),
IC406(20P),IC407(20P) IC302,IC303(64P)
Data Bus
CPU
IC001(208P)
LED Driver
TA107,
TA108, TA109,
TA110
LED, SW
Matrix
D Type
Flip Flop
IC101(16P)
Sink Driver
TA101, TA102,
TA103, TA104,
TA105, TA106
Buffer
IC404(20P),IC405(20P),
IC408(20P)
LED, SW
Matrix
LCD
Module
LCD Contrast
Volume
Crystal
Oscillator
6.4512MHz
DC-DC
Converte
r
Encoders
(Q, Freq., Gain,
Parameter Wheel)
Sine Wave
Oscillator
Filters
Multiplexer
(4:1) x 5
IC110(16P),IC114(16P),
IC120(16P)
CH1-16 & ST
Inverter
SCI1
Bias
Backlight
Data Bus
PE9-13
PE4, 5
ADSEL[0], [1]
TSEL[0]~[4]
X201
SCAN[0]~[2], /SCAN_EN
LCD Controller
IC027(80P)
Logic
Data
+16.5V +5V
SUB Reset
RESET
RESET
RESET
RESET
Counter G/A
(REC2)
CN101-CN103(26P),
CN104(30P)
CN401(26P),CN403(26P)
CN404(26P),CN402(30P)
CN106(12P)
CN402(3P) CN503(3P) CN502(12P),
CN504(4P)
CN501(16P)
CN005(16P)
CN003(7P)
CN203(7P)
CN301(12P)
6
5
4
3
H A B C D E F G
1
2
BLOCK DIAGRAM 004 (DM1000)
BLOCK DIAGRAM 004 (DM1000)
DM1000
28CA1-8826678-4
5
PN1
FD
PN2
LCD
MAIN
1