Parts List - Yamaha EZ-EG Service Manual

1 2 3
EZ-EG OVERALL CIRCUIT DIAGRAM 1/2 ( DM )
DM
toAM-2-CN901
toAM-3-CN902
to MUTE-CN1
J only
to PN-CN3
MULTIPLEXER
EZ-EG
4 5
OP AMP
INVERTER OP AMP
OP AMP
MUTE AMP
OP AMP INVERTER
OP AMP
OP AMP
OP AMP
INVERTER
INVERTER
SYSTEM RESET
INVERTER
INVERTER
MASK ROM 16M WAVE
REGULATOR +3.3V
6 7 8
DC-DC CONVERTER
DAC
OP AMP
SWX00B
9 10 11
: Ceramic Capacitor
Note: See parts list for details of circuit board
component parts.
PQ1CZ1T (XR404A00) µPC2933T-E1 (XS516A00)
DC-DC CONVERTER REGULATOR +3.3V
1: VIN
2: VOUT
3: OADJ
1
2
3 4: ON/OFFcont.
4
5
5: COMMON
MA221 (VB493900) SFPB-62V (VZ060500)
DIODE DIODE
1
2
1: ANODE
2: CATHODE
UDZ 2.0BTE-17 2.0V
(VU170900)
ZENER DIODE
to AM-1-CN801 1
2
1: ANODE
2: CATHODE
IC302 or IC301 are mounted.
MASK ROM 16M PROGRAM
AND
FLASH 4M (256K x 16)
SRAM 2M (128K x 16)
AND
AND
12
EZ-EG
A
2
1
3
1: V in
B
2: GND
3: V out
1
2
1: ANODE
2: CATHODE
C
D
AND
E
F
G
H
28CA1-8822924
1
EZ-EG