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Yamaha SILENT Piano SD Series Service Manual page 46

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<Page 1>
SILENT SD SERIES BLOCK DIAGRAM, UNIT COMPARISON(ブロックダイアグラム、ユニット表)
1
2
Switch Box Unit(SW BOXユニット)
3
DM
X1
+3.3D
33.8688MHz
4
1,4
3
CLK33 (XI)
ICN
(+4.9V)
+3.3D
5
SYSTEM
4
RESET
IC1
MRSTN
+3.3D
29,43,53
5
PROGRAM
14
WAVE
MRSTN
(RESET)
(
FLASH ROM
(
64Mbit
IC8 (56P)
+3.3D
37,47
FLASH ROM
MRSTN
(4Mbit)
14
(RESET)
IC15
(48P)
+3.3D
6
1,6,22
DRAM
IC18
(4Mbit)
31
30
IC21
(44P)
OR
7
8
SILENT SD SERIES
9
A
B
C
D
E
CN2 (5P)
MIDITX, MIDIICN
AND GATE
MIDIRX
DRIVER
IC23
X 4
TR1-4, 7-10
1
4
TA1-4
(6P)
11-18
2
TRANSCEIVER
1,3
+2.5D
TR5
IC28
(20P)
2-9
+3.3D
2,24,47
4,15,46
57-64
25
66,90,120
34
89,119
X2
CLK33 (XI)
35,27
10MHz
+3.3D
12
36
MASTER CPU
TR6
8
9
1,4,10
(SWL01B)
48-55
19
CPU
16
(ICN)
KSNICN, KSNACK, KSNRX, KSNCLK
(E-HOSTs)
29,37-39
5,34,36,37
IC4
46
SPOFFN
IC24
68
44
47
(128P)
MUTEN
123
(48P)
48
26
67
HPSW
41
44,40
30
+3.3D
29,43,53
PROGRAM
WAVE
14
16
(FLASH ROM 64Mbit)
MUTEN
IC16
(56P)
IC2
2
AND GATE
CLK33 (XI)
16
1
12
64,41
(ICN)
SPOFFN
16
+3.3D
+12V
+5A
IC29
SLAVE CPU
14
IC14
6-8,14
44
12
11
1
8
(SWL01B)
MCLK
11
DAC
2
16
42
9
8
2
12
BICK
3
IC11
40
5
6
3
IC7
SDTI
6
(16P)
9
43
2
3
4
LRCK
(128P)
10
5
BUFFER
PON
1 4 10 13
5
OP AMP
4,15,46
2,24,34,36,38
47,66,90,120
89,119
+3.3D
+2.5D
SWLICN
16
OUT
IC10
+5A
REGULATOR +5V
REGULATOR +3.3V/+2.5V
+5D
+3.3D
+5D
OUT1
IC5
+2.5D
OUT2
MA
CN1 (4P)
C
D
E
F
G
Key Sensor Unit(キーセンサーユニット)
KEY SENSOR
PD
(PD0-7)
AN0~7
&
OP AMP
OP1,2
(14P)
KEY
SHUTTER
AC Adaptor
DRIVE
LED UNIT
TA1,2
(ACアダプター)
LD0-11
PA-5D
DJK
+5D
+5D
X 8
PJK
SOFT
SOSTE
DAMPER
+3.3D
MUTEN
4
/SPOFF
HPSW
8
1
7
+12V
AJK
Power
IN
SW
(LED)
OFF
ON
POWER
F
G
H
I
PC80,Q80
HD64F2128
2
MIDI
CPU(FLASH)
1
CPU1
(64P)
9
10
CMD
SENS
20.0MHz
+5V
+10V
GND
KEY
DC IN 12V
KEY
PDL
JK101
DC-IN
JK102
JK103
DJK
PS+REV
12V
PJK
CN104 (5P)
CN103 (5P)
CN205 (4P)
CN202 (3P)
CN203 (4P)
AM
MA
12V
SW
DC-DC
+10V
CONVERTER
+5V
2
1
IC203
REGULATOR
+10V
PS+REV
+10V
3
1
IC201
IC209
RY201
13
3
12
5
POWER
OP AMP
JK201
JK202
VR202
VR201
A
REVERB VOLUME
PHONES
UNIT COMPARISON(ユニット表)
Overall Assembly(総組立)
Key Sensor Unit(キーセンサーユニット)
KEY SENSOR Circuit Board(KEY SENSORシート)
Switch Box Unit(SW BOXユニット)
AM Circuit Board(AMシート)
DC-IN Circuit Board(DC-INシート)
DM Circuit Board(DMシート)
Pedal Unit(ペダルユニット)
Pedal Unit L (DAMPER)(ペダルユニットL(ダンパー))
Pedal Unit S (SOFT)(ペダルユニットS(ソフト))
AC Adaptor(ACアダプター)(PA-5D)
The parts that correspond to the number with ( ) are not prepared as service parts.
(部品番号が(  )で囲まれた部品は、サービス部品としては用意されていません。)
H
I
J
K
L
SILENT SD SERIES
Damper pedal
(ダンパーペダル)
Soft pedal
(ソフトペダル)
AJK
B
YM5SD/YU11SD/
YU33SD/YU33W-SD
YU11W-SD
(WH54020)
(WH54040)
V9444200
V9444300
V8968400
(WH00250)
WH126000
WH126100
WG876000
VQ461900
VQ861200
V8029000
SILENT SD SERIES
J
K
L
1
2
3
4
5
6
7
8
9

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