12
11
10
9
8
7
6
5
4
3
2
1
12
11
10
9
8
7
6
5
4
3
2
1
Q
P
O
N
M
L
K
J
I
H
G
F
E
D
C
B
A
Q
P
O
N
M
L
K
J
I
H
G
F
E
D
C
B
A
SILENT SD SERIES
SILENT SD SERIES OVERALL CIRCUIT DIAGRAM 2/2 (AM, DC-IN, KEY SENSOR)
SILENT SD SERIES
SILENT SD SERIES
<Page 4>
POWER
(ON/OFF)
Power switch
WH
MIN
MAX
1
2
1
2
3
RE
BE
GR
YE
DAMPER pedal
(ダンパーペダル)
SOFT pedal
(ソフトペダル)
12V
TEST MODE
DJK
(MIDI)
PJK
(PDL)
PS+REV
DC IN 12V
PDL
not installed
not installed
not installed
PS+REV
MA (+5D)
TEST MODE
AJK
(AUDIO)
H: ON
L: MUTE
Z:
MUTE (DEFAULT)
GND: ON
MIDI INPUT/
OUTPUT
12V
SW
A
VOLUME
REVERB
B
REG10V
DC-DC CONVERTER
OPERATIONAL
POWER AMP
Photo Coupler
WH12600
WH12610
KSN05A-V858590
OP AMP
SYSTEM RESET
Photo Coupler
OP AMP
OP AMP
Transistor
Array
Transistor
Array
INVERTER
N.C
INVERTER
PHONES
2: BASE
1: EMITTER
3: COLLECTOR
1
2
3
4
5
Metal
Tab
GND
1: V
IN
2: OUTPUT
3: GROUND
4: FEEDBACK
5: ON/OFF
1: INPUT
2: GND
3: OUTPUT
4: GND (Fin)
µ
PC2910T-E1-AZ (X7408A00)
REG10V
AM: IC201
LM2596SX-5.0 (X3564A00)
DC-DC CONVERTER
AM: IC203
EC10DS4-TE12L (VN681100)
DIODE
AM: D205
RB050L-40 (VU445900)
DIODE
AM: D202
RLS-73 TE-11 (VV925900)
DIODE
DC-IN: D101–107
KEY SENSOR: D0080
1
4
3
2
1
2
1: ANODE
2: CATHODE
1: ANODE
2: CATHODE
1: ANODE
2: CATHODE
1
2
2SJ278MYTR-E (VZ427900)
FET
KEY SENSOR: FT001, 002
2SC2412K(VV556400)
TRANSISTOR
AM: TR201
DC-IN: TR101, 102
KEY SENSOR: Q0080
1
1
2
2
3
3
1
2
1: GATE
2: DRAIN
3: SOURCE
4: DRAIN
1
2
3
4
安全上の注意
印の部品は、安全を維持するために重要な部品です。
交換する場合は、安全のため必ず指定の部品をご使用ください。
WARNING
Components having special characteristics are
marked and must be replaced with parts having
specification equal to those originally installed.
: MetalFilmResistor
(金属被膜抵抗)
: Ceramic Capacitor
(セラミックコンデンサー)
: Metal Oxide Film Resistor
(酸化金属被膜抵抗)
Note : See parts list for details of circuit board
component parts.
注 : シート部品詳細は、パーツリストをご参照ください。
: Not installed
(未実装)
or