Yamaha EZ-EG Service Manual page 6

SENSOR
TREMOLO
UNIT
UNIT
TREMOLO
VR901
AM-3
AM-2
3P CN902
3P CN602
+5D
+3.3D
-5D
BEND
IC703
RESET
5 4 IC
+5D
3.6V
CLOCK
+3.3D
8.467MHz
1,37,38,
47,48
X102
9,10
WAVE 47,48,51–59,62–71
SMA[0–20]
S-bus
32M
SMD[0–15]
23–34,37–40
MASK
27
SOE
41
OE
SCSO
74
CE
24
IC201
46,88,93
+3.3D
1,25,26,
IC301 37,38 IC302
PROGRAM PROGRAM
CMA[1–21]
16M 32M
CMD[0–15]
MASK Flash
CLB,CUB
CRD 27 28
OE OE
CS0 24 26
CE CE
CS0, CS1
IC301 or IC302 are mounted.
STRING
S1–S6
PIEZO
K1–K6
SENSOR
MUTE 1/2
6P CN1
AM-2
1–7
9P CN901
9P CN601 6P CN604
+5D
8
SENSOR MUTE
14
AMP AMP
4
6ch 6ch
7
IC601–606 IC607
1–3,5,
FT[0–5]
12,13 +5D
16
ANALOG
SW
8
IC701
4,14,15
145–147,
1 17 14,15,16 150–152
AN3 AN0,AN1, P-Bus
21
AN2 TXD1
154
RXD1
20
TXD0
153
RXD0
DO0,
WCLK,QCLK
SWX00B
158,163,164
IC101
+3.3D
4,7,49,77,
91,148
133,143,161
C-bus
75,76,79–87,89,
96–99,102–105,124
11,13 37,47
2M 4M
CMA[1–18]
SRAM Flash
CMD[0–15]
IC303 IC305
41
CRD OE 28
OE
CWE 17 11
WE WE
CS2 6 26
CE CE
CS3
: solder
+5D
SPEAKER IC1
6,7
SUB
25
CPU
S[0–11]
D[0–7]
15 36 8,9
L[0–15]
CLOCK
8.00 MHz
+5D
8,9
X1
9P CN901 5P CN3
9P CN601 5P CN701
8,9
+5D
CN501
10,11
TX
7
+5D
RX
MIDI-Tx 8
MIDI-Rx 9
+5D +5D
IC501
8
8
2,3 LPF
DAC
4 1
L
& 4
16Bit
1 7
5,6,7
AMP
R 5
5,6
IC502
+5D
IC102 IC503
+3.3V +5V
1 2 1 1
3
2 REG. DC/DC
11P
CNV.
3
IC504
+3.3D
-5V
2
DC/DC
-5D
CNV.
DM
+5D
9,10
SW MATRIX
LED
X84
S[0–11]
D[0–7]
L[0–15]
LED MATRIX
7 Seg LED
Driver
X82
TA1–3
IC701,
+5D
TR701,702
MIDI
I/F
CN801
SPEAKER
10,11
(BTL)
7
+5D
POWER
7
AMP.
8
9
IC802
MASTER H.P
L
7
4
VOLUME R AMP.
6
5
VR801 IC801
+9V
TR801
1
+9V
11P
SW801 ON/STANDBY
AM-1
LD90
D[1–7]
L[12–14]
PN
JK702
MIDI OUT
MIDI IN
JK701
+9V
2
1,3
+9V
JK802
2 PHONES/
1,3
OUTPUT
JK801
D801
DC IN 9V
CN802
BATTERY
-
+
SUM3 X6
Wire
3P
28CA1-8822923