Roland TR-808 Service Notes

JUN.
15,
1981 TR-808
FLEXIBLE PCB
N-166
SHIELD
COVER
N-162
BOSS
NUT
N-524 3 x
8mm
TR-808
SERVICE
NOTES
First
Edition
SPECIFICATIONS
Rhythm
storage capacity 1-32 steps/measure
64
measures x 12 tracks
Second
Printing (July 12, 1983 E2)
Tempo
variable
range
4M =
40-300
Master output
Hi
6Vp-p/1K^2; Lo 0.6V p-p/3Kf2
(Level: Voices
@
red mark;
AC @
FCW)
Multi
output
1
Trigger
output -M5V, 20ms;
^Kn -CB/CP(MA)/AC-
Accent
level
OdB-lOdB
Power consumption
8W
Dimensions
508 (w) x 305
(d)
x 110
(h)
mm
Net weight 5kg
CAUTION
Although some
parts are designated in abridged
number
or
numberless
in this limited space,
they
are
fully
numbered on
the Parts
List.
Parts
order must be written
in full
number
followed by the part
name
to encourage prompt,
accurate
dispatch.
HOLDER
N-247
MAIN BOARD ASS'Y OP31 16-130
HOLDER
N-246
S\A/ITCH
SDG5P001 100V
SDG5P001 117V
SDG5P502 220V 240V
POWER TRANSFORMER
N-217N 100V
N-218C 117V
N-219D 220V 240V
LONG NUT
N-503
3x 18mm
TOP PANEL REMOVAL
SCREWS:
®-
®
TERMINAL
N-101 TT501
D-1
2P
DUST
COVER
N-102
SWITCH SQPR24-12P
KNOB
N-128
SWITCH SRM-101C
BUTTON
N-506
BLACK
PANEL
N-242
SIDE PANEL
N-118
(L)
KNOB
N-128
SWITCH SRM1026
SWITCH
DS102 #44
KNOB
N-165
POT.
GM70EF51E
10KB x 2
KNOB
N-127
POT. VM10RB10C 50KB
DUST COVER
N-115
SWITCH
SLE6230
SWITCH W/BUTTON KED
10001
LED TLR124 RED
KNOB N-180 RED
POT EVH-LWAD25B55 500KB
POT EVH-LWAD25C14 10KC
POT EVH-LWAD25A15 100KA
POT EVH-LWAD25B15
100KB
POT EVH-LWAD25B52
500J2B
SIDE
PANEL
N-119 (R)
POT EVH-LWAD25A53 5KA
POT EVH-LWAD25B24 20KB
POT EVH-LWAD25B26 2MB
DUST COVER
N-102
SWITCH
SSP04205
POT EVH-LWAD25B14
10KB
KNOB
N-128
POT VM10RB10C 50KA
DUST COVER
N-115
SWITCH SLP62208
SWITCH W/BUTTON KED10903
KNOB
N-167
WHITE
SWITCH KHC11901
KNOB
N-168
ORANGE
KNOB
N-169
YELLOW
(T)
—
(J)3 X 10
mm
B1, Fe, Br, Biding, Self tapping
(5)
— (7)3x6
mm
Fe,
Br Binding
TOP PANEL REMOVAL SCREWS
1
through
10
SWITCH
BOARD
ASS'Y OP31
16-090
VOICING
BOARD
ASS'Y VG31 16-140
JACK
BOARD
(A)
ASS'Y OP31 16-100
JACK BOARD
(B)
ASS'Y OP3116-110
HOLDER
N-248
BATTERY HOLDER
N-525
POWER
SUPPLY
BOARD
ASS'Y
OP31 16-051 100V/117V
OP31
16-054
220V/240V
LONG NUT
N-501
3x 10mm
CHASSIS N-234
RUBBER FOOT
G-7 (111-023)
COIN SCREW
3 x
8mm
RUBBER FOOT
G-5 (111-021)
BATTERY COVER
N-159
CUSHION
N-310
SCREWS
(8)
— @1
3x6 mm
B1, Fe, Br Binding,
Self
tapping
SCREWS
(Q)
—
@
3x10
mm
B1,
Fe,
Br Binding, Self tapping
JACK SG7622 #8(13449106)
SWITCH
SSF22-07 (13159112)
(3rd Printing June 1986
C-2) Printed
in
Japan
AE2
1