Roland RD-150 Service Notes
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Roland RD-150 Service Notes

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Nov, 2000
RD-150
digital piano
TABLE OF CONTENTS
SN00044
K6018409
RD-150
SERVICE NOTES
First Edition
Issued by RES
Page
Printed in Italy (A000) (AD)
1
Specifications
Keyboard:
Keyboard modes:
Sound Source:
Panel controls:
Adjustable functions:
Effects:
Pedal functions
DISASSEMBLY
AC
SELFLOCK SCREW M4x10 TCTC TFR 9,5 cod. J2289221
Copyright © 2000 by ROLAND CORPORATION
All rights reserved. No parts of this publication may be reproduced in any form whithout the written permission of ROLAND CORPORATION.
Recorder
Metronome
Connectors
Power consumption:
Dimensions:
Weight:
Supplied accessories:
Options:
In the interest of product improvement, the specifications
and/or appearance of this instrument are subject to
change without prior notice.
MIDI
Pedal
Output
PHONES
Damper
Soft/Expr.
R
L(Mono)
1
2
Out
In
Stereo

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  • Page 1 SELFLOCK SCREW M4x10 TCTC TFR 9,5 cod. J2289221 Copyright © 2000 by ROLAND CORPORATION SN00044 K6018409 Printed in Italy (A000) (AD) All rights reserved. No parts of this publication may be reproduced in any form whithout the written permission of ROLAND CORPORATION.

  • Page 2: Location Of Controls

    7770603000 JACK SOCKET PCB ASSY RD-150 7770604000 MAIN BOARD PCB ASSY RD-150 13129160 SWITCH SDDLB1-TV5 RD-150 7770616000 BORED / VARN. SIDE PANEL RD-150 7770615000 BORED / VARN. RIGHT SIDE PANEL RD-150 J2359105 PRESSURE RUBBER SFF-018 7770613000 VARNISHED KEYBOARD BLIND RD-150...

  • Page 3: Exploded View

    RD-150 Nov, 2000 EXPLODED VIEW...
  • Page 4 RD-150 Nov, 2000 KEYBOARD PARTS LIST 88 KEY KEYBOARD ASSY TP/23 code : J2589108...
  • Page 5 C5 on CB 7770602000 PRIMARY PCB ASSY RD-150 13529104RI CAPACITOR DE1310E472MVA-KH C1 on PB 7770603000 JACK SOCKET PCB ASSY RD-150 13649103J0 UNPOL.COND. 10U 16 P5 C1, C2, C25, C26 on JB 7770604000 MAIN BOARD PCB ASSY RD-150 INDUCTOR, COIL, FILTER <<EMI>>...
  • Page 6 SPACER FOR LED H.2.8 D.E. 5.5 J2359105 PRESSURE RUBBER SFF-018 J2159102 PLASTIC RIVET SR3055 K253810302 FUSE WARNING LABEL K2268121 RED FELT MM 1250X12X1.5 K2248156 ANTIDUST COVER FOR POTENTIOMETER RD-150 K2268148 ADHESIVE BLACK FELT 25X1X1240 ACCESSORIES K6018408 O. MANUAL (IT/E/D/F/DUTCH/SP) RD-150 J305910301 PEDAL W/CABLE J3439150 MAINS CABLE H05VV+POL..

  • Page 7: Block Diagram

    RD-150 Nov, 2000 BLOCK DIAGRAM CONTROL BOARD LED+SW BRILLIANCE VOLUME MATRIX OUTPUT MIDI OUT MIDI IN MAIN BOARD DAMPER SOFT/EXPR. PHONES 2 PHONES 1 XRES IC5,IC7 IC10 SRAM 4M-FLASH BUFFER PHOTO Buffer Buffer Q9,Q11 Pedal Type Control ADDRESS BUS PHONES...
  • Page 8 RD-150 Nov, 2000 MAIN PCB ASSY ASSY 7770604000 View from component side View from solder side...

  • Page 9: Circuit Diagram (Main Pcb Assy)

    RD-150 Nov, 2000 CIRCUIT DIAGRAM (MAIN PCB ASSY) Battery Backup RB420D IC2C TC7W00F IC2B TC7W00F XRES XRAM XCS7 I/O8 IC2A I/O7 TC7W00F I/O6 I/O5 I/O4 I/O3 I/O2 I/O1 MODE0 MODE1 FLASH CT1 FLASH CT0 RN2421 1.5k XRAM XHWR HM62256LFP-7T Flash Control...

  • Page 10: Control Pcb Assy

    RD-150 Nov, 2000 INLET PCB ASSY & CIRCUIT DIAGRAM ASSY 7770602000 TO SWITCH (SDDLB1 TV5) SAFETY PRECAUTIONS: The parts marked have safety-related characteristics. Use only listed parts for replacement. KRESS 3/2 SWPS1 EARTH +15V +15V SWITCHING -15V DGND DGND POWER...
  • Page 11 RD-150 Nov, 2000 CIRCUIT DIAGRAM (CONTROL PCB ASSY) Q110 LED18 RN2227 D101 D109 D117 D124 LB-603VF 1N4148 1N4148 1N4148 1N4148 COM3 SW101 SW109 SW117 SW124 COM2 EVQ-PAE-05R EVQ-PAE-05R EVQ-PAE-05R EVQ-PAE-05R TONE1 TONE9 REVERB COM1B COM1A Q111 RN2227 D102 D110 D118...
  • Page 12 RD-150 Nov, 2000 JACK PCB ASSY ASSY 7770603000 View from component side...
  • Page 13 RD-150 Nov, 2000 CIRCUIT DIAGRAM (JACK PCB ASSY) UPC4570G 100pFS 5% np0 100I IC7C 47uF16 27KS ref5V 0.5W PHONES 1 FL5R200N 27KS 560pFs 100uF25 DA204K HLJ052001010 47uF16 IC1C BA5218F FBR07HA850TB-00 10Ks 100I FLAT IC6B -VCC BA5218F FLAT FL5R200N IC6C 0.5W...
  • Page 14 After a few seconds, the display will show the Test Mode main menu, visualising the following writing: 2) MEMORY TEST TEST RD-150 VERSION 1.00 Press the [POP PIANO] button. The LEDs relative to Piano, Pop Piano, Rock Piano, Honky Tonk, Stage Rhodes, Sa Rhodes The DEVICE CHECK is automatically carried out by the CPU board.
  • Page 15 RD-150 Nov, 2000 Vibraphone FLASH 4) KEYBOARD TEST Acustic bass Finger Bass WAVE ROM Press the [Honky Tonk] button. Orch Strings EFFECT RAM When you press this button, you hear a Piano sound and its dynamic level is visualized on the To go to the next test, press the [CLAV] button.
  • Page 16 Play the Version Update Midifile (Time: about 6 1/2 min). Sa Rhodes Square Wave from the right channel R. 1,8 Vpp. During this time, do not turn the RD-150 off and make sure that the power does not stop in any case. E. Piano Sound OFF 7.

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