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PSR-170
■
PSR-170 OVERALL CIRCUIT DIAGRAM
:
Mylar Capacitor
:
Ceramic Capacitor
: Semiconductive Ceramic Capacitor
:
Metal Oxide Film Resistor
Note : See parts list for details of circuit board component parts.
DM-LCD, PN-AM, VR : 28CC1-8819402
MK-L, MK-H : 28CC1-8819596
WARNING
Components having special characteristics are marked
Z
and must be replaced with parts having speci-
fication equal to those originally installed.
MK-H
MK-L
MASTER
VOLUME
PHONES/
OUTPUT
SUSTAIN
MIDI IN
MIDI OUT
STANDBY/ON
DC IN 12V
SPEAKER
L
SPEAKER
R
*1
*1: The fuse is soldered.
LCD
POWER AMP
REGULATOR
+5V
REGULATOR
+3.3V
BUFFER
BUFFER
RESET
ROM 16M
PROGRAM STYLE WAVE
MIDI DRIVER
PHOTO
COUPLER
MM1385ENRE (XZ624A00)
REG3.3V
CONT
GND
NOISE
VIN
VOUT
5