Roland DB-700UT Service Notes

May. 2000
UT/JT
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)
TABEL OF CONTENTS
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
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.
17059024
DB-700
Page
Printed in Japan (AA00) (HK) 1
SPECIFICATIONS
• Rated Power Output
250 W
• Nominal Input Level (1KHz)
: −30 dBm/1 M ohms
INPUT HIGH
: −20 dBm/300 k ohms
INPUT LOW
(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.