Yamaha SILENT Piano SD Series Panduan Servis - Halaman 48
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Halaman Cetak
A
B
C
<Page 3>
SILENT SD SERIES OVERALL CIRCUIT DIAGRAM 1/2 (DM)
1
DM
2
3
Detection Voltage
4
SYSTEM
RESET
5
6
7
to AM-CN205
<Page 4 F-5>
8
9
to DC-IN -CN102
REGULATOR
<Page 4 J-2>
+3.3V/+2.5V
10
to DC-IN -CN103
<Page 4 K-2>
11
12
SILENT SD SERIES
A
B
C
D
E
F
G
FLASH ROM 64M
PROGRAM/WAVE 1
CPU
(SWL01B)
Internal CLK 33.8688M
not installed
not installed
not
installed
TRANSCEIVER
D
E
F
G
H
I
J
DRAM 4M
FLASH ROM 4M
OR
FLASH ROM 64M
PROGRAM/WAVE 2
CPU
(SWL01B)
Internal CLK 33.8688M
BUFFER
DAC
AND
OP AMP
REGULATOR +5V
H
I
J
K
L
M
N
AND GATE
CPU
(E-HOSTs)
to AM-CN206
<Page 4 B-2>
WG87600
K
L
M
N
O
P
Q
SILENT SD SERIES
1
µPC37M32TJ-E1-AZ(X5914A00)
NJM78M05DL1A(XS534A00)
REGULATOR +3.3V/+2.5V
REGULATOR +5V
IC005
IC010
2
6
1
2
1: INPUT
1
3 4
5
2: NC
3
3: GND
1: INPUT
4: OUTPUT1
2: GND
5: OUTPUT2
2
6: GND(Fin)
3: OUTPUT
1SS372 (V9424900)
EC10DS4-TE12L (VN681100)
DIODE ARRAY
DIODE
DA003, 004
D0001–0003
3
1
1
2
3
1: ANODE1
2
2: CATHODE2
1: ANODE
3: CATHODE1,
2: CATHODE
ANODE2
1
2
D1F60 (VS201100)
DTC123JKA (VY677600)
3
DIODE
DIGITAL TRANSISTOR
D0001–0003
TR005, 006
3
1
2
1
R1
OUT
2
IN
1: GND
R2
1: ANODE
GND
2: IN
2: CATHODE
IN
OUT
3: OUT
GND
DTB123YK (VY677700)
UMG5N (WC668500)
DIGITAL TRANSISTOR
DIGITAL TRANSISTOR
TR001–004, 007–010
TA001–004
5
3
4
4
1
2
2
R1: 10kΩ
1
3
R2: 47kΩ
1: DTr1 IN
R1
OUT
3
2
1
2:
GND
IN
1: GND (+)
R2
3: DTr2 IN
R1
R1
GND (+)
2: IN
R2
R2
4: DTr2 OUT
IN
OUT
DTr2
DTr1
3: OUT
5: DTr1 OUT
GND (+)
4
5
Note : See parts list for details of circuit board
component parts.
5
注 : シート部品詳細は、パーツリストをご参照ください。
or
: Not installed（未実装）
: Ceramic Capacitor（セラミックコンデンサー）
6
not installed
7
8
9
not installed
10
11
12
SILENT SD SERIES
O
P
Q