Roland JP-8 Service Notes

JP-8 SERVICE NOTES
Second Edition
December.1982
Part1 Previous First Edition... ..
pp.1—31
Part 2 Mainly applicable to JP-8 units with Serial Numbers
171700 and above........ pp.32—46
Parts List Change........ p.47
Appendix .....2.....+.+. pp.48—50
BEFORE READING
PLEASE CHECK FOR CHANGE INFORMATION
AND CONTENTS AT PAGES 32 AND 33
OF THIS NOTES.
5
Keyboard: 61 Note, 5 Octaves
VCO
VCO-2 Fine Tune Range: +50 Cents
VCF
Slope: 12/Octave, 24/Octave
Key Follow: 0 — 120%
ENV
ENV-1, 2
Attack Time: ims — 5s
Decay Time: Ims — 10s
Sustain Level: 0 — 100%
Release Time: ims — 10s
LFO
Rate: 0.05 — 40Hz \
Delay Time: 0-4s %
Master Tunable Range: + 50%
8
13 4 ; 6
19 || 7
3
Top panel
Panel H78
(072H078}
eee Fas
Side panel L
Plate H41
fas zs a
(063H041) ee h e Ch
BGR MERE BREE EE CEE A
End block L
Panel H79 (072HO079)
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16 17
BB-2 1
2Wi x II (13149103) 115V
2Wi 11 (13149104) 220V
Heatsink H22
(048H022)
Arpeggio
Rate:
Audio Outputs
Upper:
Lower:
Highest Note Output
Cv:
Gate:
Dimensions:
Weight:
Power Consumption:
1 — 20Hz
OdBm, 600 Ohm, Balanced
OdBm/—20d8m, 1k Ohm, Unbalanced
OdBm, 600 Ohm, Balanced
OdBm/—20dBm, 1k Ohm, Unbalanced
0-5V
Off — OV, On — +15V
1063{W) x 485(D) x 120(H)mm
22kg
gow
Side panel R
Plate H40
(063H040)
End block R
Panel H80
(072H080)
Keyboard (complete)
SK-361C (004H008)
SSB-022-12RN (13159118)
DIN connector
TCS 0250-1-1 (13429608)
Slide switch SSB-023-12RN (13159117)
CANON connector socket
HA16R-3P (13439851)
Jack
$G-7716 (13449123)
Slide switch
SSB-042-12PN (13159116)
Jack
SG-7630 (13449107)
JP-8 PANEL PARTS LIST
1 | Pot. GM7OR-K20B54 (50K8 x 2) (13219812)
2] Pot.
| GM70R-K20AC54 (50KA, C) (13219811)
3 | Pot. LFEQR-C16A55 (500KA) (13339414)
4 | Switch SRM1034-K15 (13119301)
5 | Switch S$LE622-18PS (13139137)
6 | Pot. VM10R-K20B14 (10KB) (13219225)
7 | Pot. LFEQR-C16B14 (10KB) (13339415)
8 | Switch SQPR-24-12P (13159503)
|
9 | Pot. LFEQR-C16B54 (50KB) (13339413)
10] Pot. | MFEQR-C16B54 (50KB x 2) (13359302)
| 11 | Pot. _VMTOR-K20A55 (500KA) (13219231)
12 | Pot. _ VMI0R-K20C54 (50KC) (13219243) _|
13| Switch SLE623-18P (13139135)
14 | Switch w/key top KEH10003 (13129717)
See Parts List for Key top and Switch
15 rica PB-4 (029-022)
16 Cover H80 (O65HO80)
LED —_ LN526RA (15029404)
17. | Switch KHC11901 (13169601) |
Buttons
No.1, 38 RED (016H018)
No.2-5, No.34-37 ORANGE (016H012)
No.6-9, No.30-33 YELLOW (016H017)
No.10-13, No.21-28 WHITE (016H010)
No.14, 15, 29 GREEN (016H014)
No.16-18, No.39-41 BLUE (016H013)
No.19, 20 DARK BLUE (016HO11)
18| Pot. VM10A-K15B54 (S0KB CT) (13229131)
19 | Switch SLE-622-18P (13139136)
"No.68 (016-078)
H4 (016HO04)
All rotary knobs
All slider knobs'