Yamaha SPX990 Service Manual page 18

SPX990
SPX990 SPX990
• FP 1/5
Circuit
Board
Notes)
Circuit
Board
1
Variable Resistor
VR301:
2 Base Post
Connect
CN301:
FPI/S (NX812060) XL680a0
A10 OK RK161222 (VP799700)
or
PH-6P TE (VB390200) to AD-CN
1
® FP 2/5
Circuit
Board
A
PAGE
C ) ( )
MEMORY
EDIT
V
( )
PAGE
STORE BYPASS
Notes)
Circuit Board
1
Push Switch
SW301-306:
2 Diode
D301-306:
3 LEO
LED301-303:
4
Connector Assembly
CN302:
FP2/5 (NX812090)
XLBB080
EVQ-QSL04M
(VB799000I
1SS133.1SS176 (VB941200)
GL1HD2t2RE<VG149600)
SAN&PH
8P lOOL to
AO-CN
B
® FP 3/5
Circuit
Board
Notes)
Circuit
Board
1
LEO Display
LED304-319:
LEO320-325:
LED326;
2 Connector Assembly
CN303:
CN304;
FP3/5 INX812100)
XL88080
SX-2SJ (VA039100)
SX-25AS (VP987600)
LNS26RK (VD1
18900)
SAN&PH
8P200LIOAD-CN10
SAN&PH
10P 180L to
AO-CN
7
® FP 4/5
Circuit
Board
DATA ENTRY
Components side(S^Milil)
Notes)
Circuit Board
:
FP4/5
INX812U0) XL88080
1 Rotary
Encoder
EN301:
EVQ WQ5
F2524B IVQ309700)
2 Connector Assembly
CN305: SAN&PH 3P 60LtoAD-CN3
®
PS
Circuit Board
WHH437F94V-0
XL881
CAUTION"^
TO REDUCE THE RISK OF
FIRE. REPLACE ONLY
WITH SAME TYPE
FUSE.
,
ATTENTION
AFIN
DE
REQUIRE
LE
RISQUE
DE
FEU. REMPLACER UNIQUEMENT PAR UN
FUSIBLE
OE MEI4E
IC3
Bind Head Tapping Screv.'-B
'''-f
>
K B
h
3.
OX
8(VP157000)
Bind
Mead
Tapping Screw-6
+ /<< >
K B
h
3
OX
B(EP600190)
Insulation Sheet
(IL000690)
® DB2
installation
(DB
2
(D^
U
)
Bind
Head
Tapping
Screw-B
Notes)
Circuit
Board
Circuit
Board
:
Circuit Board
1
Mylar Cap
C 9.11.20:
2
Ceramic Cap *B
C 3-6. 13-16:
3 Electrolytic Cap
C7,8:
C1012.19:
C17.18:
4 Ceramic
Cap
C
1:
C2:
C2U2:
C23,24:
8 Coil
LI:
6
Push Switch
SWI:
7
Fuse
F
1:
F
1:
F 1:
8 Terminal
CN
5.6:
9 Base Post Connector
CN
1:
CN
2:
CN
3:
CN
4;
10 Oiodo
0
1
.
2
:
11 Diode Stack
OBI:
DB2:
12 1C
IC1:
1C
2:
1C
3:
PS (VP818700) XL881C0
<J)
PS
(VQ153200)
XL881C0
(U.V.C)
PS (VQ153300) XL881C0 (H.W.B)
01500 50V
J {UA355150)
4700P 50VK(FG413470)
2200 35.0V (VG581600)
10.00 50.0V (UJB67100)
8200 16 OV (VP825200)
0 010 400V (FI384100)
0.1U (FR203100)
4700P 400V (FI383470)
H.W.B
only
2200P 400V (FI383220)
PLA3021A
3mH
(GD900760)
ESB-8236V IVF576D00)
TSOOmA 250V
(K8000310) J
TSOOmA
250V (K8001150) U.V.C
TSOOmA 2S0V (KB000710) H.W.B
(VA855400)
to
AC Cord
VH-3P TE {LB932030) to
PT
Primary
VH-5P TE
(LB932050) to RT,
Secondary
PH-7P T1 (VB390300) to
AO-CN
2
PH-6P (VB390200)
to
AO-CN 4
11ES4 (V8481900)
S2VB20
200V (IH001120)
S4VB20 12
5mm
<VP825100>
AN7815F (X6449AOO)
REGULATOR
4-15V or
NJM7815FA (XD853A00) REGULATOR +15V
AN791SF
{XB450A0D)
REGULATOR
-15V or
NJM791SFA {XD854AOOI
REGULATOR
-15V
NJM7805FAIXC719AOO) REGULATOR +5Vor
AN7805F (XD338A00)
REGULATOR
-r^SV
® FP 5/5
Circuit
Board
MEMORY CARD
Components
side
Notes)
Circuit Board
1
Semiconduclive Cara
C30V.
2 Connector,
1C
Card
CN306;
3 Header Connector
CN307:
4 Monolithic Cera Cap
C302:
FPS/5 iNX612120) XL8B080
Cap
0 1000 16V
M
<VH740700I
IC3A-38PS-1 27D
IVF821 100)
MEMORY CARD
HIF3FC-34PA2 (VH343800)
to
AD-CN 9
1
500 25V Z IPZ005610I
23
24 25
FP:
3NA-VP8I860A
PS:
3NA-VP8I870
A