Yamaha Loopfactory DX200 - BLOCK DIAGRAM

7
DX200
■ BLOCK DIAGRAM
Backup
Battery
3V
RESET
+5V
+5V
RES2
ICN
CE2
Analog
Switch
BAT
LED Driver
LED Comon
Latch
to Panel
LED
28CA1-8818204
OUTPUT
L/MONO
OUTPUT
R
PHONES
AMP
AMP
Muting
+9V
CN2
DAC
LPF
LPF
+5V
Regurator
STANDBY
ON
MIDI IN
MIDI OUT
DC-DC
Convertor
+3.3V
Regurator
+9V
+5V
+5V
+3.3V
+9V
Regurator
CN5
LED Data
Latch
LED Driver
to Panel
LED
SW Data
Buffer
flom Panel
SW
SW Strobe
Latch
to Panel
SW
A/D
Latch
VOLUME
A/D
Multi Plexer
A/D
Multi Plexer
CN6
CN1
flom Knob
VR X 8
flom Knob
VR X 8
CN2
CN3
+1.65V
+3.3V
OP AMP
FLASH
8M
ROM
Program
1M
SRAM
Lower
Work
Buffer
MIDI-A or
MIDI-B
Switch
DC IN
to LED
CN1
1M
SRAM
Upper
Work
flom LED
Driver
CN4
CN4
+5V GND
+5V GND
DATA
CN3CN6
Encoder
Driver
CN1
RES2
CN5
JK4
JK3
JK2
JK1
RES1
RES3
XTAL
8.4672MHz
Photo
Coupler
C-Bus Control
C-Bus
S-Bus Control
S-Bus
4M
DRAM
DSP
8M
ROM
Wave
+9V
+4.35V
+5V
OP AMP
+5V
+5V
WCLK
HCLK
64fs
Synchronous
Divider
+3.3V
Knob out
Knob X 15
+1.65V
+3.3V
Knob out
Knob(center click)
X 1
Panel SW
With LED
X 36
Panel SW
X 15
Panel LED
#A0642=25
Panel Side
CN1
+3.3V
LED
DM
PN
PLG150-DX
21 345678
9 10111213141516
TAP
SWING
REVERS
OCT
<<
OCT
>>
TG
TRACK
SFX
TRACK
KEYBOARD
PATTERN
SELECT
STEP
1~8
STEP
9~16
6P
6P
4P
4P
16P
16P
15P
15P
7P
7P
7P
7P
15P
15P
IC6
IC6
IC11
IC11
IC16
IC19
TR1,2,3
IC10
IC5
IC5IC5
IC5
IC8
IC26
IC7
IC13,14
IC4
IC20
IC12
IC21 IC22
IC24
IC2
IC3
IC15
IC7 IC8
IC9
IC3 IC2 IC1IC4 IC5, 6
IC25-5,9,13
IC25-4
IC27-3,6
Separate Mode
IC17
SWX00B
79-87,96-99
106-118,121-123
47,48,51-59,62-74
23-34,37-40
9
10
3232
35,119,133,143,161
6,7,12,49,61,77,91
20
130
156,157,159
164
163
158
14,15,16
124,126-128,132
135-142,165
21
154
125,145,152
13,15,16
7
11
6
2
6
1
7
2
6
1
7
7,8,9,14
1,2,5,16
6,11-13,15
18
17
4
7
2,6
1
11 8
IC4
711101312
12
98
3
1
4
2
1
3
1
4
1
3
1,3
4,6
31
3,4,7,8,17,18 3,4,7,8,17,18
2,5,6,9,
12,15,16
2,5,6,9,
12,15,16
11-18
2-9
1,3,4,
7,8
2,5,6,
9,12
6,9,11 3
1,2,4,5,
12-15
6,9,11 3
1,2,4,5,
12-15
to IC17-15PIN
to CN3
to IC17-1PIN
to IC22-30PIN
to IC24-30PIN
JK5