1
I
J
K
L
M
N
O
P
Q
H
G
F
E
D
C
B
A
I
J
K
L
M
N
O
P
Q
H
G
F
E
D
C
B
A
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
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7
8
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10
11
12
WJ057300
WJ057600
POWER
(ON/OFF)
Power switch
WJ057700
WJ057400
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)
DC IN 12V
PDL
not installed
not installed
not installed
KSN05A-V858590
OP AMP
SYSTEM RESET
Photo Coupler
OP AMP
OP AMP
Transistor
Array
Transistor
Array
INVERTER
CPU1
CPU (FLASH)
N.C
INVERTER
SILENT SG SERIES OVERALL CIRCUIT DIAGRAM 2/2 (AM, MIDI, PANEL, DC-IN, KEY SENSOR)
WARNING
安全上の注意
s
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。
Components having special characteristics are marked
s
and must be replaced with parts having specification equal
to those originally installed.
注:シート部品詳細は、パーツリストをご参照ください。
Note: See parts list for details of circuit board component parts.
<P.4>
SILENT SG SERIES
SILENT SG SERIES
SILENT SG SERIES
REGULATOR
OP AMP
OP AMP
OP AMP
CPU
AND
REGULATOR
PHONES
REVERB
VOLUME
AJK
(AUDIO)
AUX
12V
POWER SW
PS+REV
MA
(+5D)
PANEL
DJK
DJK/EXMIDI
A
B
SYSTEM RESET
AUX
EXMIDI
DEVICE
USB to DEVICE
MIDI
OUT/IN
AUX
IN/OUT
PANEL
TRANSIENT
SUPPRESSOR
DJK
(MIDI)
PJK
(PDL)
PS+REV
PDL
SNS
DC JACK
to DM_CN3
<P. 3/B-10>
to DM_CN1
<P. 3/B-8>
to DM_CN2
<P. 3/B-9>
to DM_CN7
<P. 3/K-10>
to DM_CN11
<P. 3/N-6>
N.C
or
:
Not installed
(未実装)
(セ)
:
Ceramic Capacitor
(セラミックコンデンサー)
:
Electrolytic Capacitor
(ケミカルコンデンサー)
金被
: Metal Film Resistor
(金属被膜抵抗)
酸金
: Metal
Oxide Film Resistor
(酸化金属被膜抵抗)
µ
8
4
1
1: INPUT
2: NC
3: GND
4: OUTPUT1
5: OUTPUT2
6: GND(Fin)
1
2
3 4
5
6
PC37M32TJ-E1-AZ(X5914A00)
REG3.3V/+2.5V
DM: IC005
NJM78M05DL1A(XS534A00)
REG5V
DM: IC010
1SS372 (V9424900)
DIODE ARRAY
DM: DA001–004
EC10DS4-TE12L (VN681100)
DIODE
DM: D0001–0003
DM: D0001–0003
D1F60 (VS201100)
DIODE
1: INPUT
2: GND
3: OUTPUT
1
2
3
LM3525MX-H(X3119A00)
USB POWER REGULATOR
DM: IC026
1: ANODE1
2: CATHODE2
3: CATHODE1,
1
3
2
ANODE2
1
2
3
1
2
1: ANODE
2: CATHODE
1: ANODE
2: CATHODE
2
1
DTC123JKA (VY677600)
DIGITAL TRANSISTOR
DM: TR005, 006, 011
DTB123YK (VY677700)
DIGITAL TRANSISTOR
DM: TR001–004, 007–010
UMG5N (WC668500)
DIGITAL TRANSISTOR
DM: TA001–004
1: GND
2: IN
3: OUT
1
3
2
OUT
R1
R2
GND
IN
IN
GND
OUT
1: GND (+)
2: IN
3: OUT
1
3
2
OUT
R1
R2
GND (+)
IN
IN
GND (+)
OUT
1: DTr1 IN
2: GND
3: DTr2 IN
4: DTr2 OUT
5: DTr1 OUT
1
3
4
5
2
R1
DTr1
DTr2
R2
R1
R2
3
4
5
2
1
R1: 10k
R2: 47k