Yamaha Portatone PSR-S500 Service Manual page 79

A B
< Page3 >
PSR-S500 OVERALL CIRCUIT DIAGRAM 3/6 (DM 3/3 )
1
2
to PNL-CN103
<Page6 K5>
3
to ENC-CN301
<Page4 B6>
4
5
6
7
not installed
8
PSR-S500
A B
C D E
AND
<Page1 B3>
AND
<Page1 C3>
<Page1 C3>
<Page1 B3>
not installed
<Page2 C2>
<Page1 A5>
<Page1 A5>
C D E
F G
CPU
not installed
<Page2 C3>
WARNING
Components having special characteristics are maked and must be replaced
with parts having specification equal to those originally installed.
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。
F G
H I J
to 61H-CN1
<Page1 B4>
<Page5 C5>
<Page1 B3>
to 61L-CN5
<Page5 C8>
REGULATOR
to 61H-CN2
+2.5V
<Page5 C6>
REGULATOR
+3.3V
<Page1 F6>
REGULATOR
+1.8V
to AM-CN104
<Page4 C4>
<Page2 C3>
28CC1-2001005318-3 2
（セ）：Ceramic Capacitor（セラミックコンデンサー）
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。
H I J
K L
PSR-S500
1
2
3
4
5
RH5RZ25CA-T1-F (X3679A00)
REGULATOR +2.5V
DM:IC901
1
2
3
1. GND
2. INPUT
3. OUTPUT
R1171S331B (X7886A00)
REGULATOR +2.5V
6
DM:IC902
6
5
4
1 1. Vout
2
2. GND
3
3. CE
4. NC
5. GND
6. V
DD
R1172S181B (X7887A00)
REGULATOR +1.8V
DM:IC903
6
5
4
7
1
1. Vout
2
2. GND
3
3. CE
4. NC
5. GND
6. V
DD
8
PSR-S500
K L