A
B
C
D
E
F
G
H
I
J
K
L
A
B
C
D
E
F
G
H
I
J
K
L
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
PSR-S550/PSR-S550B OVERALL CIRCUIT DIAGRAM 3/5 (AM, JACK, ENC, MVR, PB, PSW, TW )
PSR-S550/PSR-S550B
PSR-S550/PSR-S550B
PSR-S550/PSR-S550B
Note: See parts list for details of circuit board component parts.
注：シートの部品詳細はパーツリストを御参照ください。
WARNING
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、安全の為に必ず指定の部品を御使用ください。
Components having special characteristics are marked and must be replaced
with parts having specification equal to those originally installed.
<Page3>
（マ）：Mylar
Capacitor
（マイラーコンデンサー）
（セ）：Ceramic
Capacitor
（セラミックコンデンサー）
28CC1-2001009321-1
2
TW-L
TW-R
WF-L
WF-R
28CC1-2001009321-1
2
28CC1-2001009321-1
2
28CC1-2001009321-1
2
28CC1-2001009321-1
2
28CC1-2001009321-1
2
MVR
AM
PB
ENC
PSW
TW
28CC1-2001009321-1
2
TW
220/25
28CC1-2001009321
2
DCIN 16V
PHONES/
OUTPUT
+
-
C456 [セ]
220P
220P
C455 [セ]
W401
DC/DC CONVERTER
POWER AMP
REG5V
to DM-CN901
<Page2 I6>
PITCH BEND
to DM-CN702
<Page2 K3>
LCD
LCD Back Light
SI-8050S(LF1111)
(X0548A00)
DC-DC CONVERTER
1
2
4
3
5
1: V in
2: SW OUT
3: GND
4: V os
5: S.S
AM:IC101
BA50BC0T
(X5887A00)
REG5V
1
2 3
1. INPUT
2. OUTPUT
3. GND
AM: IC102
JACK
SUSTAIN
TO HOST
TO DEVICE
CONTRAST
USB
to DM-CN501
<Page1 K4>
Summary of Contents for PSR-S550B
Page 23: ...23 PSR S550 PSR S550B Pattern Side パターン側 2NA WH33370 DM Circuit Board ...
Page 29: ...29 PSR S550 PSR S550B 2NA WH50940 to PNL CN101 B B B B Pattern Side パターン側 PNC Circuit Board ...
Page 31: ...31 PSR S550 PSR S550B B B B B to PNL CN102 Pattern Side パターン側 2NA WH50940 PNR Circuit Board ...
