Yamaha S03 Service Manual page 67

A B
S03 OVERALL CIRCUIT DIAGRAM 2/2 (LC, MKS3, MK-H, MK-L, SW, VOL)
1
SW
D-FF
to DM-CN6
2
TRANSCEIVER
OR
3
D-FF
28CC1-8817391
2
4
to DM-CN3
CN1
5
CPU
28CC1-8812655
6
MK-H
7
MK-L
8
S03
9
A B
C D E
MULTI VOICE DEMO EDIT PRESET USER GM/XG
CATEGORY CATEGORY
SEARCH SEARCH
MULTI VOICE DEMO VTILITY MIDI
- + MUTE DEC/NO UP
RIGHT CATEGORY SEARCH PRESET USER GM/XG
4/BASS 5/STRINGS 6/BRASS 1/REED/PIPE 2/SYN LEAD
ENTER EXIT
MKS3
C D E
F G
to DM-CN1
EDIT JOB STORE
INC/YES LEFT DOWN
7/PIANO 8/ORGAN 9/GUITAR
-/CHROMATIC
3/SYN PAD 0/SYN COMP PERCUSSION
LC
RE
TP70
WH
TP71
to DM-CN4
28CC1-8811360
28CC1-8811360
F G
H I J
VOL
OCTAVE DOWN OCTAVE UP
Battery VN103500
VN103600(Battery holder for VN103500)
Notice for back-up battery removal
Push the battery as shown in figure,
then the battery will pop up.
Druk de batterij naar beneden zoals
aangeven in de tekening de batterij
springt dan naar voren.
28CC1-8817392 1
LCD
LCD CONTROLLER
H I J
K L
S03
1
D1F60 (VS201100)
NJM78L05UA(XJ598A00)
D3FP3 (VZ016600)
REGULATOR +5V
DIODE
1
2
1
2
3
1: OUTPUT
1: ANODE
2: COMMON
2: CATHODE
3: INPUT
µPC2909T-E1(XT441A00)
SI-8050S(XT442A00)
REGULATOR +5V REGULATOR +9V
2
1
3
2 5 1: V in
1
4
2: SW out
3
2
3: GND 1: V in
4: V os 2: GND
5: S.S 3: V out
µPC2933T-E1 (XS516A00)
Battery
REGULATOR +3.3V
2
Battery holder
1
3
1: V in
2: GND
3: V out
Note: See parts list for details of circuit board component parts.
3
4
5
6
28CC1-8817393
7
8
S03
9
K L