Yamaha DG-Stomp - Overall Circuit Diagram; Overall Circuit Diagram 1;2 (DM)

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DG-Stomp
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DG-StompDG-Stomp
Note : See parts list for details of circuit board component parts.
KEC-54202
DG-Stomp OVERALL CIRCUIT DIAGRAM 1/2
(
DM
)
256K RAM 256K RAM
OR
OR OR OR
OR
AND
OR OR
ASSP
AND
CPU
DSP6
DSP6
PHOTO COUPLER
BUFFER
BUFFER
BUFFER
4M ROM
4M ROM
REGULATOR 3.3V
DIT2
INVERTER
to PN-CN304
to PN-CN303to PN-CN302
OPAMP
OPAMP
OPAMP
to PN-CN301
OPAMP
OPAMP
REGULATOR 5V
B.COUNTER
REGULATOR 5V
D-FF
ANDINVERTER
SHIFT
REGISTANT
OPAMP OPAMP
OPAMPOPAMP
INVERTER
ADC&DAC
8M ROM
Socket to CR2450
COAXIAL
DIGITAL OUT
F/P
ED0
R27 R28
: not installed
: installed
AC 12V
REGULATOR -15V
REGULATOR +15V
: Ceramic Capacitor
UPC29M33T-E1
(
XU965A00
)
REGULATOR +3.3V
NJM7815FA
(
XD853A00
)
REGULATOR +15V
1
2
3
DM: IC113
1
3
DM: IC18
2: GND
3: OUTPUT
1: INPUT
(
XZ162A00
)
3: INPUT
1: OUTPUT
2: COMMON
NJM7915FA
(
XD854A00
)
DM: IC114
REGULATOR -15V
2: GND
1: INPUT
3: OUTPUT
3: OUTPUT
2: GND
1: V IN
3
2
1
1
3
NJM78M05DLA
DM: IC111
REGULATOR +5V
2
2
1
3
2
3: OUTPUT
2: GND
1: INPUT
NJM7805FA
(
XJ607A00
)
REGULATOR +5V
DM: IC112
1
DM