Circuit Diagram (Sw Sheet Assy) - Roland SP-505 Service Notes

Oct.2001

CIRCUIT DIAGRAM (SW SHEET ASSY)

fig.sw
CN12
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
14FE-ST-VK-N
A
CN9
ENC&VR&LED
14FE-ST-VK-N
Source Select
Sampling
BPM Adjust
Pad Assign
Clip Board
SW SCAN
SCAN(H):9-16
READ:1-8
CN10
SCAN16
16
16
SCAN15
15
15
14 SCAN14
14
SCAN13
13
13
SCAN12
12
12
11 SCAN11
11
SCAN10
10
10
SCAN9
9
9
8 READ8
8
READ7
7
7
6 READ6
6
READ5
5
5
READ4
4
4
3 READ3
3
READ2
2
2
READ1
1
1
16FE-ST-VK-N
44
100kA*2
A
VR1A
12
EVJY95FB6A15
L REC
LEVEL
-infinity<-->+15dB
A
R VR1B
22
EVJY95FB6A15
A
50kA*2
12
VR2A
EVJY15FB6A54
VOLUME
22
VR2B
EVJY15FB6A54
EN
EN
A B
D A B
EN1B
EVEGB1F15 24B
+
D 3. 3
R126
C170
120 100/6.3
D
ENC_A
14
14
ENC_B
13
13
12
12
11 D
11
VOL1
10
10
VOL2
9
9
VOL3
8
8
LED_DATA
7
7
LED_CKS
6
6
LED_CKL
5
5
4
4
R73
3
3
+ 5
D
RSS1 T52 10ohm J
2
2
1
1
C172
EEVMC1C100R(10/16)
D
SW2 EVQ11A05R
1 2
2 1
SW10 EVQ11A05R
DA3
1 2
1SS301
SW18 EVQ11A05R
1 2
2 1
SW26 EVQ11A05R
Chop DA11
1 2
1SS301
SW34 CA
1 2
2 1
SW42 CA
DA19
1 2
1SS301
SW50 CA
Pad Bank
1 2
2 1
DA27
1SS301
VR1C
EVJY95FB6A15
A
VR2C
EVJY15FB6A54
A
FX
Control
EN1A
EVEGB1F15 24B
+
D 3. 3
CTRL1 CTRL2
VR3 VR4
RK09K 50kB RK09K 50kB
2 2 2
CN13
1
1
2
2
N.I.U
LCD
BACKLIT
SW3 EVQ11A05R
System
1 2
1 2
SW11 EVQ11A05R
Resample DA4
1 2
1SS301
SW19 EVQ11A05R
Menu
1 2
2 1
SW27 EVQ11A05R
BPM Sync DA12
1 2
1SS301
SW35 EVQ11A05R
Scale
1 2
1 2
SW43 CA
Pad 1
DA20
1 2
1SS301
SW51 CA
Pad 9
1 2
1 2
DA28
1SS301
+ 5
D
R145
10k
C168
EEVMC1C100R(10/16)
CTRL3
D
VR5
D
RK09K 50kB
D
SW4 EVQ11A05R
PTN
1 2
2 1
SW12 EVQ11A05R
Song DA5
1 2
1SS301
SW20 EVQ11A05R
Part 1
1 2
2 1
SW28 EVQ11A05R
Part 2 DA13
1 2
1SS301
SW36 CA
Pad 2
1 2
2 1
SW44 CA
Pad 3 DA21
1 2
1SS301
SW52 CA
Pad 10
1 2
1 2
SW60 CA
DA29
1 2
Pad 11 1SS301
+ 5
D
C166
0.1
IC49
M66310FP
D
1
QA
2
QB
24
QC
23
QD
4 22
A QE
21
QF
20
QG
5 19
OE QH
18
QI
17
QJ
8 16
CKS QK
6 15
CKL QL
14
QM
7 13
R QN
11
QO
12
QP
10
SQP
D
SW5 EVQ11A05R
F1
1 2
1
SW13 EVQ11A05R
BPM
1 2 DA6
1SS301
SW21 EVQ11A05R
Part 3
1 2
1
SW29 EVQ11A05R
Part 4
1 2 DA14
1SS301
SW37 CA
Pad 4
1 2
2
SW45 CA
Pad 5
DA22
1 2
1SS301
SW53 CA
Pad 12
1 2
2
SW61 CA
DA30
1 2
Pad 13
1SS301