Roland JU-6 Service Notes

MAY.20,1982 JU-6
First
Edition
SPECIFICATIONS
Keyboard: 61 Keys
(5
octaves)
C2-C7
VCF:
Cutoff frequency (4Hz-40kHz)
ENV
modulation (10 octaves max.)
LFO
modulation
(
6 octaves max.)
Keyboard follow (0-100%)
ENV:
Attack time (1ms-3s)
Decay time (2ms-12s)
Sustain
level
(0-100%)
Release time (2ms-12s)
LFO: Rate (0.3Hz-20Hz)
Delay
(0-2. 5s)
Arpeggio: Rate (1.5Hz-50Hz)
Bender control range:
DCO
(±7 keys max.)
VCF
(±4 octaves max.)
Output
level:
L(— 30dBm)/IVI(—
15dBm)/H(0dBm)
Output: (mono,
stereo)
Tune: (±50cents)
Dimension: 1060(W)
x
113(H) x 378(D)
mm
Weight: 11kg
Power:
25W
Jack
HLJ-0259-01-030 (13449211)
Pot.
EVH-OTAS10B14 lOkB (13219401)
Side panel
083H052(R), 083H053(L)
J
3ck
HLJ-0259-0 1-020
(13449210)
Switch
HSW-0372-030
(13159316)
Top
panel
(072H115B)
Keyboard SK-361C (004H008)
Bender
panel
(072H1
1 1
C)
fS
Roland
(T):
Top
panel
removal screws
Joint 3 X
35mm
(1
16H008)
Keyboard
removal screws
4x1 5mm
truss
Fe
Br
(3):
Bender
panel
removal screws
TP
3 X
15mm
pan Fe Br
1
Switch 1801-0121 (13T49102)
2
Switch
SUT11A-1
(13129321) Button
3 Switch
SUT11A-2
(13129322) orange
(016H029)
4 Switch SUT32A-1 (13129531) yellow (016H030)
5 Switch
SUT32A-2
(13129532) white
(016H036)
6 Switch
SLE-623-18P
(13139135)
7
Switch SLE-622-18P (13139136)
8
Pot.
EVA-TOHC14A16 IMA
(13339418)
Knob
(016H004)
9 Pot.
EVA-TOHC14A54
50kA (13339410)
10
Pot.
EVA-TOHC14B54 50kB
(13339419)
11 Pot.
EVA-TOHC14B14
lOkB
(13339409)
12
Pot.
EVA-TOHC14B15
lOOkB (13339411)
13 Pot.
EVA-TOHC14A14
lOkA
(13339416)
14
Pot.
EWJ-EJAP20B14
lOkB x 2 (13219759)
Knob
(22470128)
15 Bender assy PB-4 (029-022)
16
Switch w/key top
KEH10003
(13129717)
See parts
list
All
LEDs
TLR124
(15029103)