Yamaha P-250 Service Manual page 86

B
A C
P-250 OVERALL CIRCUIT DIAGRAM 3/4 (PNL, PNR, MV2, DJK, PJK, AJK, HP)
1
LCD
PNR
2
B -
to DM-CN1
D -
3 to DM-CN2
CONTRAST
28CC1-8823155
3
PNL
EXTRA
TRACK 1 TRACK 2 TRACKS
4
SONG FILE
SONG SONG
SELECT SELECT
DEMO
5
TOP START/STOP REC
SYNCHRO START
PITCH
BEND
MODULATION
6
to DM-CN4,
PN-EQ-CN10,
GHD EBUS L-CN1
7
USB
DJK
8
to DM-CN7
not installed
9
to DM-CN3
10
to DM-CN5
ASSIGNABLE FOOT PEDAL
11
4 (AUX)
12
P-250
A B C
F
D E
GRAND GRAND
VIBRA-
PIANO 1 PIANO 2 E.PIANO 1 E.PIANO 2 E.PIANO 3 CLAVI. /6 HARPSICHORD PHONE
/1 /2 /3 /5 /7
/4 /8
B +
ORGAN 1 ORGAN 2 STRINGS GUITAR
SYNTH.
/9 /10 CHOIR /12 BASS /15 XG /16
/11 PAD /13 /14
D + EXIT
MIDI OUT PANEL LOCK
A - A +
SONG TEMPO TEMPO
C - C +
SETTING DOWN UP
LED DRIVER
SWITCH SCAN
to DM-CN8
PHOTO COUPLER
HOST SELECT
not installed
not installed
INVERTER LINE TRANSCEIVER
D E F
G H I J
VOICE SPLIT REVERB CHORUS PERFOR-
EDIT MANCE
MIDI
SETTING
MASTER EQ MASTER EQ
PERFORM. OTHER
VARIATION VARIATION EDIT EDIT
FILE SETTING
SONG BALANCE
28CC1-8823155
3
to MA60-CN4
IN
not installed
OUT MIDI
not installed
THRU
to DM-CN19
not installed
TO HOST
not installed
28CC1-8822661
5
: Ceramic Capacitor
: Semiconductive Cera Cap
G H I J
M
K L
AJK
INPUT
(L/MONO)
INPUT
NC
(R)
OP AMP
to DM-CN24
POWER AMP
RELAY DRIVE
to MA60-CN4
MV2
MASTER VOLUME
28CC1-8823155
3
PJK
ASSIGNABLE FOOT PEDAL
3 (SOFT)
ASSIGNABLE FOOT PEDAL
2 (SOSUTENUTO)
ASSIGNABLE FOOT PEDAL
to DM-CN6
1 (SUSTAIN)
28CC1-8824692
2
Note: See parts list for details of circuit board component parts.
K L M
N O P Q
P-250
EQUALIZER
NC
to MA60-CN6
OUTPUT
(L/MONO)
SPEAKER
CONTROL
OUTPUT
(R)
28CC1-8822670
3
HP
PHONES
28CC1-8825942
P-250
N O P Q
1
2
3
4
5
6
7
8
9
10
11
12