Specifications - Roland S-770 Service Notes

MAR. 1990
RAS-770
MEMORY
BDARO
SPECIFICATIONS
SERVICE
NOTES
First
Edition
RAS-770: Memory
Board
for
S-770
(Standard Memory
•••
2Mbytes)
OPTION
:
Memory Expander
OMS-770
(two modules, 2Mbytes)
*The memory
of
S-770
(sampler) can be expanded to a
maximum
of
IBMbytes
with the
RAS-770
and the
OMS-770.
*S-770 (•9->7°7-)
RAS-770, OMS-770
ilj;
16Mbyte
PARTS
LIST
SAFETY PRECAUTIONS:
The
parts
marked
A
have
safety-related characteristics.
Use
only Ssted parts for
replacement.
o<
F>ntzh
32»®ig(a.
tsssntcaa
OlCbTTSl'.
CONSIDERATIONS ON PARTS ORDERING
|
When
ordering any parts listed In the parts
list,
please specify the following
Hems
In the order sheet.
OTY PARTNUMBER DESCRIPTION MODEL NUMBER
10 22S7S241 Sharp key C-20/S0
IS
2247017300 Knob
(orange)
DAC-ISD
Failure to completely fN the
above
Items with correct
number and
description will result In
delayed or
even undelivered replacement.
^-y-v-K(C(4. !i2.TFIB®4gig(4jE{l(C!£AUrT3l.'.
C^iJ^ttPSEO
«(ij) 10
22575241 Sharp key C-20/50
15
2247017300 Knob
(orange)
DA015D
feLIBAJin.
MB = Memory
Board
TB =
Timing Board
Memory Expander
OMS-770
This
memory module cannot
be supplied as replacement.
Use OMS-770
(goods),
if
necessary.
OMS-770
(iSn"n)
Option
Note
Memory
Board
without
Memory
Module
(7956602000)
Timing Board
(7956603000)
RAS
PCB
ASS'Y
7956602000
Memory Board
(without
7956603000 Timing Board
1C *«[5]2§
Memory
Module) (pcb 22920762)
(pcb
22923885)
15169546 74F00
NAND
Gate
MB
IC3
15169517 74F04
Inverter
MB
IC21, 22, 24, 25, 26, 28, 29, 31,
32
15169582 74F08
AND
Gate
MB
IC19/TB
IC2,
4
15169518 74F32
OR
Gate
MB
ICl, 2, 9, 10, 27,
30/
TB
IC3,
5
15169519 74F74 D-Flip Flop
MB
IC20
15169377
74F153
Multiplexer
MB
IC4,
5, 14, 15,
18
15169612 74F245
Octal
Bus Tranceiver
MB
IC6,
7, 8, 16,
17
15169536 74F374 Octal D-Flip Flop
MB
IC12, 13/
TB
ICl
CAPACITOR >+f
13529123 RPE132F104Z50V
0.1
^F
Ceramic
MB
Cl -55
13639149J0
SME16VB47
47
ft
F/ 16V Electro
MB
C56
RESISTOR ARRAY
13910101 RGLD8X472J
4.7k
x
8
MB
RAl
CONNECTER, SOCKET
:j'>
(7
,
V
^
-.y
h
13369609
PCN10C-32S-2.54DSA
Connector 32 Pin
MB
CNl
13369611
PCN10C-44S-2.54DSA Connector 44 Pin
MB
CN2
13429669 78863-3001 Memory Module Socket
MB
IC33-46
13439907 PS-2SH4B-1 Short Socket
MB
JSl-3
13369625
PS-3PF-S4T1-PKL1
Pin Header
MB
JSl-3
13429553
100-032-000
IC Socket 32 Pin
MB
IC47-62
13369696 07JQ-BT Socket
MB
CNl
1-14
13369592
B7B-XH-A
Post
TB CNl-4
ACCESSORIES
"MM
no
*
!|:
*
^:*
*
!|:
*
RAS"
770/
OMS-
770 Manual
for
Service
(1
pc)
Note
:
The "RAS-770/OMS-770 Manual
for
Service" cannot be supplied as replacement. This
"RAS-770
service
notes" has the
same
contents
on
the next page.
Copy
the portion,
if
necessary.
m
:
rRAS-770/OMS-770^f— {±RAS-770
(jSo"p)
C®RAS-770+f—t"xy-
RAS-770/OMS-770ffi#B#l-#M®*o
t;):^:*****
Memory
Module
MHIMO8A0J-10 IM
x
8bit (2
pcs)
MB
IC33, 34
Note
:
This
memory
module cannot be supplied as replacement because
it is
the
same module
as
OMS-770
(Memory
Expander). Use the
OMS-770
(goods),
if
necessary.
:
0®^^
«OMS-770 ilHUU®
-ef-®!:,
TO®ii^^
OMS-770
(jfp^p)
********
Screw Binding
3x6 Cm
(7
pcs)
******** Screw
Binding 3
x
20
Cm
(1
pc)
********
Spacer 3
X
3
X
12 (1 pc)
Roland
1