Ic Data - Roland VS-1680 Service Notes

Sep, 1998

IC DATA

SIO
NCR53C-CF96-2 (01347490)
IC16 on MB
99 97 95 93 91 89
DACK/ 1
DBWR/ 2
NC 3
IGS 4
V 5
SS
TGS 6
V 7
SS
DB0 8
DB1 9
DB2 10
DB3 11
DB4 12
DB5 13
NCR 53CF96-2
DB6 14
DB7 15
100-Pin QFP
DBP0 16
V 17
SS
V 18
SS
DB8 19
DB9
20
DB10 21
DB11 22
DB12 23
DB13 24
DB14 25
DB15 26
DBP1 27
NC 28
SDI0/ 29
SDI1/ 30
32 34 36 38 40 42
81
87 85 83
80 RD/
79 WR/
78 NC
77 RESET
76 INT/
75 Mode 0
74 Mode 1
73 RSTI/
72 ACKI/
71 REQI/
70 BSYI/
69 SELI/
68 V
SS
67 V
SS
66 RSTO/
65 ATNIO/
64 I/OIO
63 C/DIO
62 MSGIO/
61 V
SS
60 V
SS
59 ACKO/
58 REQO/
57 BSYO/
56 SELO/
55 V
SS
54 V
SS
53 NC
52 SDOP/
51
SDO7/
44 46 48 50
E/DOUT
CKSEL
XMODE
AVOCK
SRAM
µPD431016LE-15-E2 (01450845)
IC29. IC62 on MB
A4 1 1 44 44 A5
A3 2 43 A6
A2 3 42 A7
A1 4 41 OE
A0 5 40 UB
CS 6 39 LB
I/O1 7 38 I/O16
I/O2 8 37 I/O15
I/O3 9 36 I/O14
I/O4 10 35 I/O13
V 11 34 GND
CC
GND 12 33 V
CC
I/O5 13 32 I/O12
I/O6 14 31 I/O11
I/O7 15 30 I/O10
I/O8 16 29 I/O9
WE 17 28 NC
A15 18 27 A8
A14 19 26 A9
A13 20 25 A10
A12 21 24 A11
NC 22 23 NC
RECEIVER
LC8905V-TLM (01124378)
IC21 on MB
DIN1 1 24 ERROR
DIN2 2 23 DATAOUT
3 22 LRCK
V 4 21 BCK
DD
R 5 20 FS128
VIN 6 19 CKOUT
VCO
7 18 DQSY/LD
GND 8 17 SRDT/DO
16 SWDT/DL
9
10 15 XLAT/CE
11 14 SCLK/CL
TST1 12 13 TST2
16M DRAM
TMS417809A-60DZR (01347689)
IC9. IC10 on MB
28
V 1 1 V
CC SS
DQ0 2 27 DQ7
DQ1 3 26 DQ6
DQ2 4 25 DQ5
DQ3 5 24 DQ4
W 6 23 CAS
RAS 7 22 OE
A11 8 21 A9
A10 9 20 A8
A0 10 19 A7
A1 11 18 A6
A2 12 17 A5
A3 13 16 A4
V 14 15 V
CC SS
TIMER
RTC-4543 SA-A (01347489)
IC2 on MB
GND 1 14 FOUT
N.C 2 13 N.C
CE 3 12 N.C
FSEL 4 11 DATA
WR 5 10 CLK
FOE 6 9 V
DD
N.C 7 8 N.C
VS-1680
25