
D(31)
D(30)
D(29)
D(28)
D(27)
D(26)
D(25)
D(24)
D(23)
D(22)
D(21)
D(20)
D(19)
D(18)
D(17)
D(16)
D(15)
D(14)
D(13)
D(12)
D(11)
D(10)
D(9)
D(8)
D(7)
D(6)
D(5)
D(4)
D(3)
D(2)
D(1)
D(0)
A(24)
A(23)
A(22)
A(21)
A(20)
A(19)
A(18)
A(17)
A(16)
A(15)
A(14)
A(13)
A(12)
A(11)
A(10)
A(9)
A(8)
A(7)
A(6)
A(5)
A(4)
A(3)
A(2)
A(1)
A(0)
(16BIT BUS BUFFER)
T74LCX16244A
D(16)
D(17)
D(18)
D(19)
D(20)
D(21)
D(22)
D(23)
D(24)
D(25)
D(26)
D(27)
D(28)
D(29)
D(30)
D(31)
45
30
34
20
21
15
10
4
LCD.CS
RE
WE2
WE3
h
g
i
e
c
b
a
d
f
i
h
g
CN13
CN11
0.1
C183
10K
R204
47K
4.7K
UNR521600L
Q19
UNR511N00L
Q17
CPRST
4.7K
R76
IORST
4.7K
+5D
A(0-24)
0.1
C218
0.1
C263
470
R261
8
7
6
5
1
2
3
4
5
8
7
6
5
6
7
8
5
6
7
8
4
3
2
1
4
3
2
1
4
3
2
1
Z97 4.7Kx4
Z96 4.7Kx4
Z95 4.7Kx4
Z94 47x4
2SB709
Q21
2SB709
Q22
D(31)
D(30)
D(29)
D(28)
D(27)
D(26)
D(25)
D(24)
D(23)
D(22)
D(21)
D(20)
D(19)
D(18)
D(17)
D(16)
D(15)
D(14)
D(13)
D(12)
D(11)
D(10)
D(9)
D(8)
D(7)
D(6)
D(5)
D(4)
D(3)
D(2)
D(1)
D(0)
A(24)
A(23)
A(22)
A(21)
A(20)
A(19)
A(18)
A(17)
A(16)
A(15)
A(14)
A(13)
A(12)
A(11)
A(10)
A(9)
A(8)
A(7)
A(6)
A(5)
A(4)
A(3)
A(2)
A(1)
A(0)
0.1
C170
+5D
47P
C177
47P
C178
100P
C227
100P
C226
100P
C228
100P
C229
TC7S14F
IC52
5
3
2
0.01
C186
100
R211
4.7K
R208
47
R201
47
R202
4.7K
R218
MA111
D28
MA111
D27
4.7K
R213
MIDI.TX
USBMTX
CR.CLK
CR.DATA
TOC SNS
RMCON
+3.3D
+3.3D
D-
D+
VIDEO OUT
D+
14
D-
13
AVSS
12
VOUT
11
AVSS
10
DE
9
DE
SOFT
3
DE
+5
6
MTXD
MRXD
7
8
1 SOSU
2
4
SUST
5
RMCON
13
PWM
12
SUST
11
RST
10
DE
9
CLK
8
7 DATA
SD
6
5
4
3
1
2
R219 0
+3.3D
R248 4.7K
+3.3D
4.7K
R60
+3.3D
R240 4.7K
R239 4.7K
FDC CS
FDC DACK
FDC INT
FDC TC
LCD.WAIT
FDC DRQ
PORT.EXP
D(0-31)
MIDI.RX
DEBUG
DSP DRDY
DSP EMPTY
MIC.SNS
+3.3D
0.1
C262
GND
VCC(3.3V)
42
31
18
7
4Y4
4A4
4Y3
4A3
4Y2
4A2
4Y1
4A1
3Y4
3A4
3Y3
3A3
3Y2
3A2
3Y1
3A1
2Y4
2A4
2Y3
2A3
2Y2
2A2
2Y1
2A1
1Y4
1A4
1Y3
1A3
1Y2
1A2
1Y1
4OE
2OE
1OE
3OE
23
22
20
19
17
16
14
13
12
11
9
8
6
5
3
2
24
25
1A1
26
27
29
30
32
33
35
36
37
38
40
41
43
44
46
47
48
1
SCHEMATIC DIAGRAM-4
Summary of Contents for SX-PR804P
Page 9: ...6 PARTS LOCATION Figure 3 9 ...
Page 10: ...7 DISASSEMBLY INSTRUCTIONS 10 ...
Page 37: ...Check Point 1 Set to the Initial mode refer to OWNERS MANUAL 37 ...
Page 38: ...11 2 Measuring condition of AS P C B 38 ...
Page 40: ...12 SCHEMATIC DIAGRAM 13 PRINTED CIRCUIT BOARD 40 ...
Page 49: ...C116 ECJ1VG1H221J 220P 1 MAIN 49 ...
Page 51: ...C214 15 ECJ1VG1H471J 470P 2 MAIN 51 ...
Page 53: ...CN3 SJPG7JS020A CONNECTOR 1 JACK 53 ...
Page 57: ...D34 MA165TA5 DIODE 1 MA2C16500E CPR 57 ...
Page 59: ...D57 MA165 DIODE 1 MA2C165 MKB1 59 ...
Page 61: ...D85 LN282RPXVTX3 LED RED 1 LNJ282RKRX02 CPL 61 ...
Page 63: ...D106 MA165 DIODE 1 MA2C165 MKB2 63 ...
Page 65: ...D173 74 MA165TA5 DIODE 2 MA2C16500E CPCR 65 ...
Page 67: ...IC16 17 C3ABMG000166 16M BIT PYNAMIC RAM 2 MAIN 67 ...
Page 69: ...69 ...
Page 74: ...R14 ERDS2FJ222 2200 1 PKB 74 ...
Page 81: ...R289 90 ERJ3GEYJ473V 47K 2 D0GB473JA002 MAIN 81 ...
Page 84: ...SW56 EVQ21507K PUSH SWITCH 1 CPR 84 ...