Roland SP-404SX Service Notes

24
Sep. 2009 SP-404SX
Circuit Diagram (Panel Board)
fig.d-PANEL.eps@L
LSP0
LSP1
LSP2
DGND
D+3.3V
DGND
DGND
D+3.3V
SS0
SS1
SS2
LS0
LS1
LS2
LDQ0 LDQ1
LDQ2 LDQ3
LDQ4
LDQ5 LDQ6 LDQ7
DGND DGND
D+3.3V
DGNDDGND
VR0
DGND
D+3.3V
DGND
DGND
DGND
VR1
DGND
D+3.3V
DGND
DGND
DGND
VR2
LSP4
DGND DGND DGND DGND DGND DGND DGND DGND
LDQ1 LDQ2 LDQ3 LDQ4 LDQ5 LDQ6 LDQ7
LD1
LD2
LD3
LD4
LD5
LD6
LD7
LD0
LDQ0
D+3.3V
DGND
DGND
PWM_BLUE
A+6V
DGND
DGND
D+3.3V
LSC0
D+3.3V
DGND
LSC2
LSC1
LS0
LS1
LS2
LS3
LS4
LS5
LS5
D+3.3V
LSP5
DGND
DGND
D+3.3V
DGND
LSP3
LSP4
LSP3
DGND
A+6V D+3.3V
A+6V D+3.3V
LS4
LS3
DGND
D+3.3V
PEAK
PWM_RED
DGND
D+3.3V
SD5
SD4
SD3
SD2
SD1
SD0
DGND DGND
RN2426(TE85L.F)
Q1
1
3
2
RN2426(TE85L.F)
Q2
1
32
RN2426(TE85L.F)
Q3
1
32
33
R1
33
R2
33
R3
33
R4
33
R5
33
R6
33
R7
33
R8
0.1uF
C2
VR1
RK09D1130C5B
10kB
13
2
10kB
RK09D1130C5B
VR1
10
10kB
RK09D1130C5B
VR1
20
0.1uF
C7
10kB
RK09D1130C5B
VR2
10
0.1uF
C8
VR2
RK09D1130C5B
10kB
13
2
10kB
RK09D1130C5B
VR2
20
10kB
RK09D1130C5B
VR3
10
0.1uF
C9
VR3
RK09D1130C5B
10kB
13
2
10kB
RK09D1130C5B
VR3
20
50kB
RK09K12C0A8H
VR4
12
1
22
23
13
50kB
RK09K12C0A8H
VR4
10
50kB
RK09K12C0A8H
VR4
20
LED1
BA56-11EWA
COM1A
3
COM1B
26
COM2
19
COM3
18
D.P3
14
D.P2
9
D.P1
5
G3
12
G2
22
G1
28
F3
17
F2
23
F1
27
E3
10
E2
6
E1
1
D3
11
D2
7
D1
2
C3
13
C2
8
C1
4
B3
15
B2
20
B1
24
A3
16
A2
21
A1
25
DTC114TKAT146
Q6
1
2
3
DTC114TKAT146
Q7
1
2
3
DTC114TKAT146
Q8
1
2
3
DTC114TKAT146
Q9
1
23
DTC114TKAT146
Q10
1
23
DTC114TKAT146
Q11
1
2
3
DTC114TKAT146
Q12
1
2
3
DTC114TKAT146
Q13
1
2
3
C1
330uF
6.3V
DTC114TKAT146
Q16
1
23
SSC-Z16B
LED20
12
SSC-Z16B
LED47 UnPop
12
SSC-Z16B
LED46 UnPop
12
SSC-Z16B
LED21
12
SSC-Z16B
LED48 UnPop
12
SSC-Z16B
LED49 UnPop
12
2
5.5V
TC74VHC238FT(EL)
IC1
C
3
B
2
A
1
5
_G2B
_G2A
4
G1
6
Y5
10
Y6
9
Y7
7
Y4
11
Y3
12
8
GND
16
VCC
13
Y2
Y1
14
15
Y0
2
5.5V
TC74VHC138FT(EL)
IC4
3
C
2
B
1
A
_G2B
5
4
_G2A
6
G1
10
_Y5
9
_Y6
7
_Y7
11
_Y4
12
_Y3
GND
8
VCC
16
_Y2
13
14
_Y1
_Y0
15
0.1uF
C3
TP1
TP2
TP3
TP4
TP5
RN2426(TE85L.F)
Q15
1
3
2
DTC114TKAT146
Q17 UnPop
1
23
TC7W04FU(TE12L.F)
IC5UnPop
17
TC7W04FU(TE12L.F)
IC5
UnPop
35
TC7W04FU(TE12L.F)
IC5 UnPop
4
GND
8
VCC
DTC114TKAT146
Q19 UnPop
1
23
RN2426(TE85L.F)
Q4
1
3
2
RN2426(TE85L.F)
Q5
1
3
2
0.1uF
C10
UnPop
TC7W04FU(TE12L.F)
IC5 UnPop
62
0 R61
UnPop
0 R60
0 R63
UnPop
0 R62
0 R64
0
R65
DTA124EKAT146(PB FREE)
Q14
1
32
SLR-342VCT32 N.P.Q RANK
LED19
1
2
330
R33
1uF
C13
DTC114TKAT146
Q18
1
23
150
R66
150
R67
S6B-PH-K-S (LF)(SN)
CN3
1
2
3
4
5
6
TP46
0.1uF
C14
UnPop
0.1uF
C15
UnPop
0
R46
0
R47
0
R48
0
R49
47
R54
47
R57
47
R52
47
R55
47
R53
47
R56
47
R50
47
R51
100
R58
100
R59
SML-E12DWT86
LED2
12
SML-E12DWT86
LED5
12
SML-E12DWT86
LED12
12
SML-E12DWT86
LED16
12
SML-E12DWT86
LED9
12
SML-E12DWT86
LED3
12
SML-E12DWT86
LED7
12
SML-E12DWT86
LED10
12
SML-E12DWT86
LED53
12
SML-E12DWT86
LED13
12
SML-E12DWT86
LED17
12
SML-E12DWT86
LED4
12
SML-E12DWT86
LED8
12
SML-E12DWT86
LED11
12
SML-E12DWT86
LED15
12
SML-E12DWT86
LED14
12
SML-E12DWT86
LED52
12
SML-E12DWT86
LED18
12
SML-E12DWT86
LED6
12
SML-E12DWT86
LED51
12
SML-E12DWT86
LED50
12
(To MAIN BOARD)
PAD BLOCK
LED SPACER:
04010601
(Red)
(Blue)

Roland SP-404SX Specifications

General

Display type	LED
Built-in display	Yes
Display number of characters	3
Bit rate	16 bit
Sample rate	44.1 kHz
Number of pads	13
Number of samples	120
Maximum polyphony (notes)	12
Battery type	AA
Battery voltage	9 V
Power source type	AC, Battery
Number of batteries supported	6
Compatible memory cards	SD
Included memory card size	1 GB

Weight and Dimensions

Depth	257 mm
Width	178 mm
Height	72 mm
Weight	1200 g