Roland SPD-20 Service Notes

Roland spd-20 total percussion pad

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Brochure (5 pages)

Owner's manual (108 pages)

Release note (2 pages)

Table Of Contents

See also: Owner's Manual

Apr, 1998

SPD-20

total percussion pad

TABLE OF CONTENTS

SPECIFICATIONS

LOCATION OF CONTROLS

EXPLODED VIEW

PARTS LIST

PANEL BOARD ASS'Y

VOLUME BOARD ASS'Y

MAIN BOARD ASS'Y

CIRCUIT DIAGRAM

BLOCK DIAGRAM

LOADING THE FACTORY PRESET DATA

DATA SAVE AND LOAD

INDENTIFYING THE VERSION NUMBER

CHECKING BATTERY VOLTAGE

TEST MODE

ERROR MASSAGES

HOW TO EXCHANGE THE SENSOR ASSY

ADJUSTMENT

IC DATA

LOCATION OF CONTROLS

LED

Display Cover

7-SEG LED

SEL6410E-TP5(Green)

(01453878)

LB-603VP (Red)

(00019523)

(15029567)

POWER

AC IN 1

C IN 12V

FOOT SW

FOO

T SW

MIDI IN

MIDI OUT

TRIGGER INPUT

PAD BANK

17059918

LED

SEL6210S-TP5(Red)

LED

(15039245)

LNJ802RPDJA (Red)

Rubber Switch

(01560689)

(01453901)

HH CT

HH CTRL

TRIG 4

L(MONO

MONO)

PHONES

VOLUME

OLUME

/ TRIG 4

RIG 4

CTRL

Switch

SOUND

MIDI

FX/PEDAL SYSTEM

SELECT PATCH CHAIN COPY

EDIT

EFFECTS

INST

TX CH

FX T

FX TYPE

BASIC CH

ASIC CH

LEVEL

NOTE

FX TIME

BULK DUMP

Rev

Dly

BANK A/B

LAYER

FX ON/OFF

PITCH

GT TIME

FX LEVEL

PATCH EXP

TCH EXPAND

EVQ21304M

DECAY

PAN

PDL CTRL

TRIG SENS

Cho

Fln

PAN

CURVE

PDL LEVEL

TRIG THRESHOLD

PATCH/VALUE

ALL/ENTER

CURVE

SENS

PDL CC

TRIG T

TRIG TYPE

(13169761)

FX SEND

PGM CHG

TRIG CUR

TRIG CURVE

Top Case Assy

(71120090)

Printed in Japan (ACE0) (CR)

SPD-20

SPECIFICATIONS

SPD-20 :TOTAL PERCUSSION PAD/

PADS /

Built-in Pads /

External Pads(Option) /

Maximum Polyphony /

14 Voices /

Instruments /

700 Voices /

Page

Memory /

Patches /

Patch Chain /

Effect /

Reverb /

Delay /

Chorus /

Franger /

Display /

7-segment LED x3 /

Connectors /

Output Jacks (L[Mono], R)

Phone Jack (Stereo) /

Trigger Input Jacks (Dual):3

HH CTRL/TRIG 4 Jack (Dual)

MIDI Connectors (IN, OUT) /

Foot SW Jack(Dual) /

*Trigger inputs 1 and 2 accept rim shots from the PD-7,PD-9 and PD-120 while inputs

3 and 4 accept rim shots from the PD-7 and PD-9.

Volume Knob

(22485109)

Jack (Monaural)

Rotary Volume

HLJ7101-01-3010

RK09L12B0 10KBX2

(13449283)

(13289228)

Jack (Stereo)

HLJ7001-01-3010

(13449284)

MAX

MIN

VOLUME

PHONES

OUTPUT

Rear Panel

(01453889)

Power Supply /

AC 12V:AC Adaptor /

Current Draw /

420mA

Dimensions/

17-3/4(W) x 13-13/16(D) x 2-13/16(H) inches

Weight /

2.8 Kg / 6 lbs 3 oz(excepting AC adaptor)

Accessories /

Owner's Manual /

ENGLISH

:(# 71121112)

JAPANESE :(# 71120089)

AC Adaptor (BOSS BRA Series)

100V

:(# 12449621)

117V

:(# 12449622)

230V

:(# 01341356)

240V

:(# 12449625)

Slit Tape /

Options /

Pads (PD-120 PD-100 PD-9 PD-7 PD-5)

Kick Trigger Unit (KD-7)

Hi-Hat Control Pedal (FD-7)

Footswitch (BOSS FS-5U) /

Footswitch Cable (BOSS PCS-31)

Pedal Switch (DP-2/6) /

All-purpose Clamp Set (APC-33)

*In the interest of product improvement, the specifications and/or appearance of this

unit are subject to change without prior notice.

Jack (Stereo)

YKB21-5006

(13449252)

Slide Switch

SSSU14

DIN Socket

(13159169)

TCS5350-01-4151

(13429615)

HH CTRL

L (MONO)

OUT

TRIG 4

CTRL

/ TRIG 4

FOOT SW

TRIGGER INPUT

MIDI

:(#01564589)

Jack (AC Adapter)

HEC0740-01-010

(13449728)

Key Top (Black)

(12499175)

Power Switch

SPUN19430A

(13129369)

USE BOSS BRA

ADAPTOR ONLY

ON /

OFF

AC IN 12V

500mA

POWER

Bottom Case Assy

(71120101)

Cord Hook

(22365708)

Table of Contents

Summary of Contents for Roland SPD-20

Page 1 (71120101) Rear Panel (01453889) Cord Hook (22365708) Copyright c 1998 by ROLAND CORPORATION All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION. 17059918 Printed in Japan (ACE0) (CR)
Page 2: Exploded View
SPD-20 Apr, 1998 EXPLODED VIEW 4X12mm Binding Head P-tight Ni x15 3X10mm Binding Head 3X10mm Binding Head M5X12mm Hex Socket P-tight Ni P-tight BZC x1 Bolt BZC x4 3X10mm Binding Head 3X8mm Pan Head B-tight ZC P-tight Ni with Flat Washer x5...
Page 3: Parts List
D301 on PB 71120112 SENSOR ASSY NOTE: Replacement Sensor Assy consists of the following 2 parts. PCB ASSY ******** SPD-20 Sensor Flexible #‰ 71120156 Main Board Assy 25295208 ø27 Sesor Tape ø18(*4) NOTE1: Replacement Main Board Assy includes the Rear Holder.
Page 4: Circuit Board
SPD-20 Apr, 1998 CIRCUIT BOARD VOLUME BOARD ASS'Y ASSY 71120167 PANEL BOARD ASS'Y ASSY 71120145 MAIN BOARD ASS'Y ASSY 71120156 For Nordic Countries Apparatus containing Lithium batteries CAUTION! Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by manufacture.
Page 5: Circuit Diagram
Apr, 1998 SPD-20 CIRCUIT DIAGRAM Lch_OUT Rch_OUT Rch_RETURN Lch_RETURN 100/6.3 2SK208Y BLM21A601 S 10/16 DTC343T K L/MONO 10/16 IC4B 560p 2700p 180p M5218AFP 10/16 1000p SIDATA HLJ7101-01-3010 SI/LSI LOUT LRCK LR/WDCK BCLK ROUT 2SA1037K R LRS/RSI 4/8FS LREF 18/16 RREF...
Page 6 TC7W04F RA1 100x4 WA15 WA21 BLM21A601S RA4 100x4 WA14 WA20 RA5 100x4 JUMPER WA13 WA19 64M MASK ROM WA12 WA18 R203 IC10 (SPD-20 WAVE) WA11 WA17 WA10 WA16 WA15 WA14 DTA114EK DTA114EK DTA114EK WA13 C129 WA12 470/25 WA11 WA10 220x4...
Page 7 Apr, 1998 SPD-20 RIM1 RIM2 RIM3 RIM4 DCC010 DCC010 DCC010 DCC010 100k 100k 100k 100k IC13A IC13F IC13E IC13D 100k TC74HC14AF TC74HC14AF TC74HC14AF TC74HC14AF IC13G TC74HC14AF 0.047 0.047 0.047 0.047 SCAN_SW IC19A L11 BLM21A601S M5238AFP IC19C M5238AFP TRG1 IC19B IC13B...
Page 8: Block Diagram
If initialization is unnecessary, press a key other than the [ALL/ENTER] key. DATA SAVE AND LOAD To save the data stored in the RAM of the SPD-20 on an external device or to load the external data onto the RAM of the SPD-20, use the exclusive MIDI message.
Page 9: Checking Battery Voltage
Exclusive messages. If Bulk data (Exclusive data) is received during Patch 5. Press [ALL/ENTER] and data transmission will begin. Chain play mode, the SPD-20 will return to normal <The time required of transmitting data> play mode when reception ends.
Page 10: Test Mode
Exiting test mode Press [ALL/ENTER] key while in the test menu of the test FS–5U mode.The following display will qppear and it will blink. After that SPD-20 exit the Test mode automatically. Polarity Switch Entering test mode fig. 6 While pressing [ALL/ENTER] and [EDIT] keys simultaneously, turn power on.
Page 11 Apr, 1998 SPD-20 5.MIDI check Connect the MIDI IN to MIDI OUT using the MIDI cable. Press [ ] key to start the MIDI circuit test. fig. 8 During the subsequent tests, the number of segments being its is decremented by after returning to the menu screen from a test.
Page 12 *Set HH CTRL/TRIG4 switch to HH CTRL. fig. 23 Press [FX ON/OFF] key. The 7-seg LED will change as follows: Press the head of the 8 pads on the SPD-20 and observe the velocity readings on the LED display. The highest readings should be 127.
Page 13: Error Messages
• The memory data inside the SPD-20 has been lost. • /Press any button on the front panel. All data will be initialized, and the normal display will reappear. * If this happens, all the data in the SPD-20 will be Top Case reset to the factory preset settings.
Page 14 *1 Crosstalk: A tap of a pad will cause a different pad to trigger its sound source. A pad on the SPD-20 tends to cause crosstalk when it is not tapped at the center. Note: With the crosstalk cancel set at 50, strong tapping of a pad at outer portion (from 2 cm from periphery) will cause a crosstalk.
Page 15: Ic Data
Apr, 1998 SPD-20 IC DATA Main Board Assy (pcb 22935470 1/3) Panel Board Assy (pcb 22935470 2/3) Photo Coupler(IC17 on MB) Oscillator(X1 on MB) +5V Voltage Regulator(IC27 on MB) Transistor(Q9 to 22 on MB) µPC78L05J PC-410 SG-8002 DTA114EK (15329507) (15289125)

Roland SPD-20 Service Notes

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Related Manuals for Roland SPD-20

Summary of Contents for Roland SPD-20

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