Boss me50 free download

File name boss ME-50_p1-11.pdf

Feb.2003 ME-50 SERVICE NOTES TABLE OF CONTENTS SPECIFICATIONS... 2 LOCATION OF CONTROLS ... 4 LOCATION OF CONTROLS PARTS LIST ... 4 EXPLODED VIEW ... 6 EXPLODED VIEW PARTS LIST ... 8 PARTS LIST... 10 CHECKING THE VERSION NUMBER... 13 RESTORING THE FACTORY SETTINGS... 13 TEST MODE... 13 BLOCK DIAGRAM... 20 CIRCUIT BOARD... 22 CIRCUIT BOARD... 24 CIRCUIT DIAGRAM... 26 Issued by RJA Copyright © 2003 ROLAND CORPORATION All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION. 17058813E0 Printed in Japan (0800) (AS) Feb.2003 SPECIFICATIONS ME-50: Guitar Multiple Effects Power Supply DC 9 V: Dry batteries (R6/LR6 (AA) type) x 6, AC Adaptor (PSA series: Optional) AD Conversion 24 bit + AF method (*) Current Draw 120 mA * Expected battery life under continuous use: 3.5 hours 12 hours Carbon: Alkaline: DA Conversion 24 bit Sampling Frequency 44.1 kHz These figures will vary depending on the actual conditions of use. Dimensions 384 (W) x 225 (D) x 102 (H) mm 15-1/8 (W) x 8-7/8 (D) x 4-1/16 (H) inches Patches 30 (user) Weight 3.15 kg / 7 lbs (including batteries) Effects Tone Modify Compressor Overdrive/Distortion Chorus Phaser Flanger Harmonist Tremolo Pan Vibrato UNI-V Rotary Delay Reverb Noise Suppressor (Effects for Expression Pedal) Foot Volume Wah Resonance Voice Ring Modulator Bend (+1 OCTAVE, -1 OCTAVE) Accessories Owner's Manual ENGLISH :(#G6017362) JAPANESE :(#G6017361) Dry Batteries (Alkaline: LR6 (AA) type) x 6:(#********) Options AC Adaptor: BOSS PSA series Foot Switch: BOSS FS-5U * * * 0 dBu = 0.775 Vrms In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice. AF method (Adaptive Focus method) This is a proprietary method from Roland that vastly improves the signal-tonoise (S/N) ratio of the A/D and D/A converters. Nominal Input Level INPUT: -10 dBu AUX IN: -10 dBu Input Impedance INPUT: 1 M ohms AUX IN: 100 k ohms Nominal Output Level -10 dBu Output Impedance 2 k ohms Display 7 segments, 1character LED Jacks INPUT jack GUITAR AMP jacks L(MONO)/R AUX IN jack (Stereo Mini type) PHONES/LINE OUT jack AC Adaptor jack 2 ME-50 3 Feb.2003 ME-50 LOCATION OF CONTROLS fig.panel 25 24 23 22 21 20 19 1 17,18 15,16 14 2,4 3,4 1 5,6,18 2,4 3,4 29 1 13 12 7 8 26 9 10 27 28 11,4

File name boss ME-50_p12-22.pdf

ME-50 CHECKING THE VERSION NUMBER · · Device Settings Hold down the [EDIT/EXIT] switch and [WRITE] switch and turn the POWER switch on. Turn the VR knobs (pots) completely to the left (minimum). Noise Meter Filter: IHF-A (JIS-A) Foot Switch (FS-5U) POLARITY SW: Jack Press the [FOOT 1] switch. If the version number is Ver.1.01, the "b" (flat symbol) LED lights up, and "1" appears in the seven-segment LED. fig.test-4_70 Switching into Test Mode · Device Settings Turn all VR knobs (pots) completely to the left (minimum). fig.test-2_50 RESTORING THE FACTORY SETTINGS · · Hold down the [WRITE] switch and [ switch on. ] switch and turn the POWER Hold down the [EDIT/EXIT] switch and [WRITE] switch and turn the POWER switch on. "F" appears in the seven-segment LED. · · Press the [WRITE] switch. The BANK LED flashes. Press the [WRITE] switch. The seven-segment LED and BANK LED flash, and the factory data is loaded. Test Categories 1. 2. 3. 4. LED Full Lighting, EEPROM Check LED Lighting Check Key SW, Pedal SW Check External SW Check VR Check EXP Pedal Check DSP Check D/A Circuitry Check DRAM Check The dot in the seven-segment portion lights, and Factory Reset is completed when the unit switches to Play mode. Never turn off the power while factory data is being loaded. 5. 6. 7. TEST MODE Items to Have On Hand Oscilloscope (1) Oscillator (1) Monitor amps (2) Noise meters (2) FS-5U (2) Open plug 8. 9. 10. INPUT A/D Check, AUX IN Check, Noise Check 11. EXP Pedal Adjustment Test Details Switch to Test mode. · · Device Settings Hold down the [EDIT/EXIT] switch and [WRITE] switch and turn the POWER switch on. Turn all VR knobs (pots) completely to the left (minimum). Measuring Equipment Settings Oscillator Waveform: Rectangular wave Frequency: 400 Hz Output Level: 50 mVp-p · · 1. LED Full Lighting, EEPROM Check After the test is implemented, with data read from and written to the EEPROM, all of the LEDs light up. Confirm the following. 1. All LEDS are lit. 2. No LED goes off when the unit is subjected to shock. Oscilloscope TIME/DIV : 0.5 msec VOLTS/DIV : 0.2 V 13 Feb.2003 fig.test-3_50 1 2 3 4 5 6 7 8 9 fig.test-6_50 3 4 1 2 20 10 11 19 18 17 16 15 14 13 12 · With all LEDs lit, press the following switches to enable selection of the type of check to start. 5 6 7 8 Press the [FOOT 1] switch to proceed to the "Version Check." Press the [FOOT 2] switch to proceed to "5. VR Check." Press the [FOOT 3] switch to proceed to "6. EXP Pedal Check." Press the [ Press the [ · ] switch to proceed to "7. DSP Check." ] switch to proceed to "11. EXP Pedal Adjustment." If no problem exists, the procedure automatically proceeds to the next step. 4. External SW Check · Connect two FS-5U foot switches, one each to the [TONE MODIFY] and [COMP ON/OFF] jacks. Set the FS-5U POLARITY switches at the jacks. fig.test-7_70 Version Check Press the [FOOT 1] switch. If the version number is Ver.1.01, the "b" (flat symbol) LED lights up, and "1" appears in t