P-120/P-120S Overall Circuit Diagram; Parts List - Yamaha P-120 Service Manual

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A
<P.1>
P-120/P-120S OVERALL CIRCUIT DIAGRAM ( 総 回 路 図 ) ( SW, AJACK, DJACK)
SW
AJACK
J102
OP AMP
(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)
DJACK
(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)
P-120/P-120S
B
to DM CN5
REGULATOR +12V
G101
3
1
2
FG
POWER AMPLIFIER
OP AMP
Select SW
INVERTER
WARNING
Components having special characteristics are maked
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。
C
R148
1.5K
R149
1.5K
28CC1-8821287 3
RECEIVER
220 1/4W
28CC1-8821288 2
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ご参照ください。
D
E
P-120/P-120S
NJM78M12FA(XJ602A00)
REGULATOR+12V
AJACK: IC104
3
2
1
SP OFF
SP ON (ALWAY)
SP ON (HP SW)
HP1
HP2
AUX OUT
L (L+R)
AUX OUT
R
AUX OUT
L
LEVEL
FIXED
AUX OUT
R
MIDI I/F
HOST I/F
R39
3
SUSTAIN PEDAL
G1
AUX PEDAL
and
P-120/P-120S
1
2
1: OUTPUT
2: COMMON
3: INPUT
3
4
5
6
7
8

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