Roland SP-505 Service Notes page 37

fig.digital1
SW SCAN
EXBV8V470JV
EXBV8V470JV
RA25
4
EXBV8V470JV 3
2
1
RA26
4
EXBV8V470JV 3
2
1
C198
C197 C199 C200
0.01
0.01 0.01
0.01
C201
C202
C203 C204
0.01
0.01 0.01 0.01
D D D D
D D D D
+
D 3. 3
D4 2 1
3
D0
D9 4
5
D11
RA7
D12 6
EXBA10E103J
7
D13
D14 8
+
D 3. 3
D15 9 10
2 1
D10
D8 3
4
D1
D5 5
RA10
6
D2
EXBA10E103J
D6 7
D3 8
D7 9 10
+
D 3. 3
R109
10k
flash_vpp0 8M FLASH MEM
R124
47
+ +
D 3. 3 D 3. 3 C205
0.1
R105
A19
D
1 A18
10k
4 A17
2 A16
A15
R125 IC55 A14
TC7S32F
A13
47
A12
D
A11
flash_vpp1 A10
A9
A8
+
D 3. 3
A7
2 1
A6
CS6 3 A5
CS5 4
A4
5 A3
6
A2
CS2 7 A1
CS1 8
9 10
CS0 CS0
CPU-LCAS(LWR)
CPU-RD
R111 10k FLASH-WP8
FLASH-WP8 RESET
+
D 3. 3
D
+
D 3. 3
RA23
4 5
CPU-WE
CPU-RD 3 6
2 7
CPU-UCAS
CPU-LCAS(LWR) 1 8
EXBV8V103JV
A1
A7
A6
A5
A10
A9
A8
A3
A2
A4
CS7 : (N.I.U.)
CS6 : DSP
CS5 : SMART MEDIA & 64M
NAND FLASH
CS4 : (N.I.U.) CS2
CS3 : (N.I.U.)
CPU-UCAS
CS2 : DRAM
CPU-LCAS(LWR)
CS1 : GA
CPU-WE
CS0 : 8M FLASH
CPU-RD
CN4
16
SCAN9 SCAN16
16
SCAN11 SCAN15 15
15
SCAN13 SCAN14 14
14
SCAN15 SCAN13 13
13
SCAN16 SCAN12 12
12
SCAN14 SCAN11 11
11
SCAN12 SCAN10 10
10
9
SCAN10 SCAN9
9
5 READ7 READ8 8
8
6 READ5 READ7 7
7
7 READ3 READ6 6
6
8 READ1 READ5 5
5
5 READ2 READ4 4
4
6 READ4 READ3 3
3
7 READ6 READ2 2
2
8 READ8 READ1 1
1
16FE-BT-VK-N
D[0-15]
A[0-22]
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
+
D 3. 3
R108
10k
IC36
LH28F800BVE-BTL90 or MBM29LV800BA-70
16 45 D15
A18 DQ15/A-1
17 43 D14
A17 DQ14
48 41 D13
A16 DQ13
+
D 3. 3
1 39 D12
A15 DQ12
2 36 D11
A14 DQ11
3 34 D10
A13 DQ10
4 32 Q15
D9
A12 DQ9
5 30 D8 RN2421
A11 DQ8
6 44 D7 1
A10 DQ7
7 42 D6
A9 DQ6
8 40 D5
A8 DQ5
18 38 D4
A7 DQ4
19 35 D3
A6 DQ3
20 33 R110
D2
A5 DQ2
21 31 D1 10k
A4 DQ1
22 29
D0
A3 DQ0
23
A2
24 15
D
A1 NC
25 9
A0 NC
+
D 3. 3
10
NC
26 13
CE VPP
11 37
WE VCC
28
OE
14
WP
12 C131
RP
47 27
10/16
BYTE GND
46
GND
C130
0.1
D
16M
DRAM
IC38
22 49
D15
A10 I/O15
32 48
D14
A9 I/O14
31 47 D13
A8 I/O13
30 46
D12
A7 I/O12
29 44 D11
A6 I/O11
28 43
D10
A5 I/O10
27 42 D9
A4 I/O9
24 41
D8
A3 I/O8
23 10 D7
A2 I/O7
21 9 D6
A1 I/O6
8 D5
I/O5
11 7 D4
NC I/O4
15 5
D3
NC I/O3
16 4 D2
NC I/O2
19 3
D1
NC I/O1 +
D 3. 3
20 2 D0
NC I/O0
36
NC
40 25
NC VCC
6
VCC
18 1
RAS VCC
34 C138 C139 C140
UCAS
35 C141
LCAS
17
0.1 0.1 0.1 10/16
WE
33 50
OE VSS
45
VSS
26
VSS
GM71V18163C
D
D-IN-F2
D-IN-F2
D-IN-F1
D-IN-F1
D-IN-F0
D-IN-F0
D-IN-VF
D-IN-VF
D-IN-DO
D-IN-DO
D-IN-XSTR
D-IN-XSTR
D-IN-ERR
D-IN-ERR
D-IN-DI
D-IN-DI
D-IN-CE
D-IN-CE
D-IN-CL
D-IN-CL
DIN-POW-ON
DIN-POW-ON
GA-DMA-REQ2
GA-DMA-REQ2
GA-DMA-REQ1
GA-DMA-REQ1
GA-DMA-REQ0
GA-DMA-REQ0
GA-DMA-ACK2
GA-DMA-ACK2
GA-DMA-ACK1
GA-DMA-ACK1
GA-DMA-ACK0
GA-DMA-ACK0
CPU-RD
CPU-RD
CPU-UCAS
CPU-UCAS
CPU-LCAS(LWR)
CPU-LCAS(LWR)
CLOCK-OUT
CLOCK-OUT
RESET
RESET
GD-RESET
GD-RESET
LCD_RESET#
LCD_RESET#
CPU-WAIT
CPU-WAIT
CPU-INT
CPU-INT
CS6
CS6
CS5
CS5
CS1
CS1
NF_CS
NF_CS
SM_CS
SM_CS
NF_WP
NF_WP
DSP_SYI
DSP_SYI
A9
A8
A7
D15 D15
A6
D14
A5 D14
D13
A4 D13
D12
A3 D12
D11
A2 D11
D10
A1 D10
D9
D9
A0
D8
D8
D7
D7
D6
D6
D5
D5
D4
D4
D3
D3
D2
D2
D1
D1
D0
D0
SP-505
37