Roland JP-8 Service Notes

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JP-8
SERVICE NOTES
Second Edition
December. 1982
This Notes makes First Edition obsolete and consists of two parts:
Part 1 Previous First Edition. pp.
1_.31
Part 2 Mainly applicable to JP
-8
units with Serial Numbers
171700 and above. pp.32—46
2Wi x II (13149103) 115V SSB-022-12RN (13159118)
2Wi II (13149104) 220V -i
' -1 Slide switch SSB-023-12RN (13159117)
CANON connector socket
HA16R-3P (13439851)
Roland
Jack
SG-7716 (13449123)
Heatsink H22
(048H022)
DIN connector
TCS 0250-1-1 (13429608)
Slide switch
SSB-042 12PN (13159116)
Jack
SG-7630 (13449107)
Parts List Change. p.47
Appendix ........-....... pp.48—50
BEFORE READING
PLEASE CHECK FOR CHANGE INFORMATION
AND CONTENTS AT PAGES 32 AND 33
OF THIS NOTES.
SPECIFICATIONS
Keyboard: 61 Note, 5 Octaves
Arpeggio
VCO
Rate:
1 - 20Hz
VCO-2 f ine Tune Range:
± 50 Cents Audio Outputs
VCF Upper: OdBm, 600 Ohm, Balanced
Slope:
12/Octave, 24/Octave
OdBm/—20d8m, Ik Ohm, Unbalanced
Key Follow:
ENV
ENV-1,2
0 - 120%
Lower:
Highest Note Output
OdBm, 600 Ohm, Balanced
OdBm/—20dBm, Ik Ohm, Unbalanced
Attack Time:
1ms-5s
CV:
0 — 5V
Decay Time: 1ms- 10s
Gate:
Off -0V, On - +15V
Sustain Level:
0-100%
Dimensions:
1063{W) x 485(D) x 120(H)mm
Release Time:
1 ms - 10s
Weight: 22kg
LFO
Rate:
Delay Time:
Master Tunable Range:
0.05 - 40Hz s
0 — 4s ^
t50%
Power Consumption:
90W
Top panel
Panel H78
(072H078)
Side panel L
Plate H41
(063H041)
5
Side panel R
Plate H40
(063H040)
End block R
Panel H80
(072H080)
Keyboard (complete)
SK-361C (004H008)
9 10
End block L
Panel H79 (072H079)
JP-8 PANEL PARTS LIST
i
Pot. GM70R-K20B54 (50KB x 2) (13219812)
2
Pot. GM70R-K20AC54 (50KA, C) (13219811)
3
Pot. LFE9R-C16A55 (500KA) (13339414)
4
Switch SRM1034-K15 (13119301)
5
Switch SLE622-18PS (13139137)
6 Pot. VM10R-K20B14 (10KB) (13219225)
7
Pot. LFE9R-C16B14 (10KB) (13339415)
8
Switch SQPR-24-12P (13159503)
9
Pot. LFE9R-C16B54 (50KB) (13339413)
10
Pot. MFE9R-C16B54 (50KB x 2) (13359302)
11
Pot. VM10R K20A55 (500KA) (13219231)
12
Pot. VM10R-K20C54 (50KC) (13219243)
13
Switch SLE623-18P (13139135)
14
Switch w/key top KEH10003 (13129717)
See Parts List for Key top and Switch
15
ass?6" PB4 (029022>
16
Cover H80 (065H080)
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 (016H011)
18 Pot. VM10A-K15B54 (50KB CT) (13229131)
19 Switch SLE-622-18P (13139136)
All rotary knobs No.68 (016-078)
All slider knobs H4 (016H004)
is Roland
Printed in Japan BB-2
1