May. 2000
DB-700
1
Copyright
2000 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the written permisson of
ROLAND CORPORATION.
TABEL OF CONTENTS
Page
SPECIFICATIONS .............................................................. ...................................................................................... 1
LOCATION OF CONTROLS .............................................. ...................................................................................... 2
EXPLODED VIEW .............................................................. .................................................................................. 3~4
BLOCK DIAGRAM .............................................................. ...................................................................................... 5
PARTS LIST ....................................................................... .................................................................................. 6~7
TEST MODE ....................................................................... ...................................................................................... 8
DC OFFSET ADJUSTMENT ............................................. .................................................................................... 10
NOTES IN INSTALLING THE DSP BOARD ...................... .................................................................................... 10
CIRCUIT DIAGRAM & BOARD .......................................... .............................................................................. 11~15
SPECIFICATIONS
Different point between
the DB-700UT and DB-700JT
Please refer to the followings
1. Nameplate
Please confirm the Nameplate (Rear side of DB-
700 unit)
• Rated Power Output
250 W
• Nominal Input Level (1KHz)
INPUT HIGH
:
−
30 dBm/1 M ohms
INPUT LOW
:
−
20 dBm/300 k ohms
(AMP TYPE: SOLID STATE)
INSERT RETURN
: +4 dBm
• Nominal Output Level
BALANCED DI
: +4 dBm
INSERT SEND
: +4 dBm
LINE OUT (XLR)
: +4 dBm
LINE OUT (PHONE)
: +4 dBm
∗
0 dBm=0.775 Vrms
• Speakers
38 cm (15 inches) x 1
Horn Tweeter x 1
• Memory
A, B (2 memories)
• Controls
AMPLIFIER
• TYPE Switch (3 types)
• GAIN Knob
• VOLUME Knob
• COMPRESSION Knob
SHAPE Switch
EQUALIZER
• BASS Knob
• MIDDLE LEVEL Knob
• MIDDLE FREQUENCY Knob
• TREBLE Knob
D-CHORUS
• INTENSITY Knob (with Switch)
MASTER Knob
PROGRAM
• MANUAL Button
• A Button
• B Button
• WRITE Button
POWER Switch
GND LIFT Switch
• Indicators
POWER INJECTION (2 colors)
D-CHORUS
POWER
• Connectors
INPUT Jacks (HIGH, LOW)
PHONES Jack
BALANCED DI Connector
INSERT Jacks (SEND, RETURN)
LINE OUT Jacks
(XLR type balanced, 1/4" TRS Phone type balanced)
FOOT SWITCH Jacks
(TIP: A/B RING:MANUAL, CHORUS)
• Power Supply
AC 117 V, 230 V or 240 V
• Power Consumption
290 W (117 V, 230 V, 240 V)
• Dimensions
578(W) x 407 (D) x 598 (H) mm
22-13/16 (W) x 16-1/16 (D) x 23-9/16 (H) inches
(include casters)
578(W) x 407 (D) x 559 (H) mm
22-13/16 (W) x 16-1/16 (D) x 22-1/16 (H) inches
(not include casters)
• Weights
34.0 kg / 75 lbs
• Accessories
Owner's Manual
English(02235123)
Japanese(02235112)
Caster (00677923)
• Options
Foot Switch FS-5L (BOSS)
* In the interest of product improvement,the specifications and/or
appearance of this unit are subject to change without prior notice.
17059024
Printed in Japan (AA00) (HK)
UT/JT