Roland E-50 Service Manual 电路图.pdf

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1、E-50Sept. 2006 SERVICE NOTES Issued by RES Second edition SPECIFICATIONS2/3 DISASSEMBLY4 LOCATION OF CONTROLS6/7 EXPLODED VIEW (SILK+VARN. LCD COVER)10/11 EXPLODED VIEW (TOP)8/9 EXPLODED VIEW (BOTTOM)12 KEYBOARD PARTS LIST14/15 BLOCK DIAGRAM16/17 WIRING DIAGRAM18/19 PARTS LIST 20/24 ITEMS REQUIRED26

2、 TEST MODE31 TOUCH SCREEN CALIBRATION27 PROTECT SWITCH TEST28 TOUCH SCREEN CHECK30 LDC DISPLAY CHECK31 SWITCH AND LED CHECK32 ENCODER CHECK33 PITCH BENDER CALIBRATION34 PEDAL AND POTENTIOMETER CHECK35 MEMORY AND DSP CHECK40 MIDI AND USB SOCKET CHECK41 FLOPPY DISK DRIVE CHECK42 PCMCIA SLOT CHECK43 AU

3、DIO AND MEASURAMENTS44 FACTORY RESET50 CHECK OUT THE VERSION51 OPERATIVE SYSTEM AND MUSIC DATA UPDATE52 CIRCUIT BOARD (MAIN)58 CIRCUIT DIAGRAM (MAIN 1/4)60/61 CIRCUIT DIAGRAM (MAIN 2/4)62/63 CIRCUIT DIAGRAM (MAIN 3/4)64/65 CIRCUIT DIAGRAM (MAIN 4/4)66/67 CIRCUIT BORD (AUDIO)68 CIRCUIT DIAGRAM (AUDIO

4、)70/71 CIRCUIT BOARD (RIGHT CONTROL, LEFT CONTROL CENTER CONTROL)72/73 CIRCUIT DIAGRAM (RIGHT CONTROL 1/2)74/75 CIRCUIT DIAGRAM (RIGHT CONTROL 2/2)76/77 CIRCUIT DIAGRAM (LEFT CONTROL)78/79 CIRCUIT DIAGRAM (CENTER CONTROL)80/81 CIRCUIT BOARD (VOLUME, ENCODER, CARD PROTECT HEADPHONES,POWER SWITCH)82/8

5、3 CIRCUIT DIAGRAM (VOLUME)84 CIRCUIT DIAGRAM (ENCODER)85 CIRCUIT DIAGRAM (CARD PROTECT)85 CIRCUIT DIAGRAM (HEADPHONES)86 CIRCUIT DIAGRAM (POWER SWITCH)87 SN00098K6018647Printed in Italy T ABLE OF CONTENTS Copyright 2006 by ROLAND CORPORATION All rights reserved. No parts of this publication may be r

6、eproduced in any form whithout the written permission of ROLAND CORPORATION. TONETONE 8 BEAT 16 BEAT STYLESTYLE BALL ROOM LIVE BAND ROCK DISCO DANCEWORLD TRADIT BLUES JAZZ LATIN KEYBOARDMINMAX MASTERMASTER PLAY STOP 16-TRK SEQ. FWD REC RECORDERRECORDER MINUS ONE BWDTOP MARK JUMPMARK JUMP 1243 NEXT S

7、ONG PLAY LIST FASTSLOW1234 VARIATIONDEFAULT AUTO FILL IN METRO NOME TEMPOTEMPO TAPEND/RITINTROMAIN BASS INVERS SYNC START STOP BALANCEVOLUME SYNTH ORGAN ACCORD SAX BRASS PAD SFX DRUMS GUITAR BASS STRINGS VOCAL FINDERFINDER INCDEC DATA ENTRYDATA ENTRY NUMERIC PAD (PUSH)NUMERIC PAD (PUSH) USER PRG SON

8、GSTYLE UPDOWNHOLD USER PROGRAMUSER PROGRAM LIST KEYBOARD PARTKEYBOARD PART TONE ASSIGN MULTI FX MELODY INTELL MULTI FX MELODY INTELL TONE EFFECTSTONE EFFECTSTRANSPOSETRANSPOSE CANCEL DEMODEMO ARRORGANPIANOGUITAR PART ON / OFF ONE TOUCHONE TOUCH 1234 UP2UP1MBSLWR PIANO E.PIANO ACCOMP STYLE CONTROLSTY

9、LE CONTROL LCD CONTRAST MENU SONG STYLE SONG STYLE MUSIC ASSISTANT MIXER MAKEUP TOOLS EXIT DISK if the version of the Musical Data is not displayed, it means that the loading of the data has not been carried out. ? Press the icon NEXT to pass to the next test. Attention! The images shown are only ex

10、amples, the version numbers may change in time. Sept. 2006 3030 1.5 Touch Screen Check ? Using the Touch Screen pen, touch all 10 squares outlined on the display or trace a diagonal line from top to bottom ? If the Touch Screen works correctly, each square touched will be coloured in grey. ? ? ? Aft

11、er having touched all the squares the instrument will automatically pass to the next test. E-50 3131 Check that all pixels are off Check that all pixels are on Check the brightness and separation of colours Check the brightness and separation of colours 1.6 LCD display Check ? Each of the four butto

12、ns of the TONE section flashing (PIANO E. PIANO, ORGAN ACCORD, GUITAR BASS, STRINGS VOCAL) is associated with a test for the LCD; press them one at a time and check that the LCD works correctly. ? In the 4th image, ad just the potentiometer LCD CONTRAST (on the right of the LCD tower) until you find

13、 a good contrast condition. ? At the end of the four tests, press the icon NEXT, to pass to the next test. Sept. 2006 3232 1.7 Switch and Led Check ? From the previous test the display shows: ? Press one at a time all the buttons, respecting the sequence shown in the figure below; the display shows

14、the button to be pressed each time and, if any, the associated led flashes. ? Make the following checks for each button: a “beep” will be heard to confirm it is working correctly the counter on the display will start growing when the button is released in case of error a louder “beep” will be heard

15、(buttons in short-circuit) or no sound at all (the button does not work) ? If the button has a led associated to it carry out the following checks: before pressing the button the associated led will flash (make sure that it is the only one to flash) once the button is pressed, the associated led wil

16、l be lit if the led is bi-colour the associated button will have to be pressed twice (check that the first time the led becomes red and the second one green) ? At the completion of the buttons sequence, the instrument will pass to the next test E-50 3333 1.8 Encoder Check ? Let the Encoder make a co

17、mplete turn clockwise: the display should show a growing value from 0 to 25 (Value) and the “marking” symbol near Inc ? Let the Encoder make a complete turn counter-clockwise: the display should show a decreasing value from 25 to 0 (Value) and the “marking” symbol near Dec ? Press the Encoder and ma

18、ke sure that the “marking” symbol appears near Encoder Switch: ? At the end of the tests, touch the icon NEXT, to pass to the next test ? ? ? ? Sept. 2006 3434 1.9 Pitch Bender Calibration ? Leave the Pitch Bender lever in the rest position (the bar on the LCD should be coloured in red for about its

19、 half) ? Press the LIST button (USER PROGRAM section) on the E-50. ? ? ? Keep the lever of the Pitch Bender all to the left, without forcing it, (the bar on the LCD should be almost completely white) ? Press the LIST button on the E-50 ? ? ? Keep the lever of the Pitch Bender all to the right, witho

20、ut forcing it, (the bar on the LCD should be almost completely red) ? Press the LIST button on the E-50 ? ? E-50 3535 Pedal and Potentiometer Check 1.10.1 PITCH BENDER Check ? With the PITCH BENDER lever released, check that the display shows the value 64 (near the writing Pitch Bender: ) ? Move the

21、 lever all to the left: check that the display shows the value 0 ? Move the lever all to the right: check that the display shows the value 127 ? If all the tests were carried out correctly, the display will show a “marking” symbol. ? ? ? ? Sept. 2006 3636 1.10.2 MODULATION Check ? With the MODULATIO

22、N lever released, check that the display shows the value 0 (near the writing Modulation Lever: ) ? Move the lever all up: check that the display shos the value127. ? If all the tests were carried out correctly, the display will show a “marking” symbol. ? ? ? E-50 3737 1.10.3 BALANCE potentiometer ch

23、eck ? Turn the BALANCE potentiometer all to the left (ACCOMP) and check that the display shows the value 0 (near the writing Balance: ) ? Turn the BALANCE potentiometer all to the right (KEYBOARD) and check that the display shows the value 127 ? Bring the BALANCE potentiometer to the central positio

24、n and check that the display shows the value 64 ? Durino the test check that the potentiometer runs smoothly and in particular make sure that it “clicks” in its central position. ? If all the tests were carried out correctly, the display will show a “marking” symbol. ? ? ? ? Sept. 2006 3838 1.10.4 F

25、OOTSWITCH and HOLD pedal sockets Check ? Connect the two switch pedals (i.e. DP-8) on the Foot Switch/Expression and Hold sockets. ? Check that the display of the E-50 shows the writing OFF near the writings Sustain Pedal and Foot Switch ? Press the SWITCH PEDAL relative to the Foot Switch/Expressio

26、n and check that the display shows ON near the writing Foot Switch ? Press the SWITCH PEDALS relative to the Hold socket and check that the display shows ON near the writing Sustain Pedal ? If all the tests were carried out correctly, the display will show two “marking” symbols. ? ? ? E-50 3939 1.10

27、.5 EXPRESSION pedal socket Check ? Connect the Expression Pedal (i.e. EV-5) FOOTSWITCH/EXPRESSION socket ? With the pedal position at the minimum the display must show 0 (near the writing Expression Pedal) ? With the pedal position at the maximum make sure that the display shows the value 127. ? If

28、all the tests were carried out correctly, the display will show a “marking” symbol. ? ? Sept. 2006 4040 1.11 Memory and DSP Check ? Wait for all the tests to be carried out and check that they were all concluded successfully (a “marking” symbol is shown for each test). ? At the end of the tests, tou

29、ch the icon NEXT, to pass to the next test. ? ? E-50 4141 1.12 MIDI and USB sockets Check ? Without MIDI and USB connections, check that the display shows NG near the writings MIDI Test result and USB Test result ? Using a MIDI cable, connect the MIDI IN with the MIDI OUT of the E-50: check that the

30、 display shows OK near the writing MIDI Test result ? Connect the USB cable, coming from the PC, with the USB socket of the E-50: check that the display shows OK near the writing USB Test result ? At the end of the tests, touch the icon NEXT, to pass to the next test. ? ? ? ? Sept. 2006 4242 Protect

31、 Disk Test OK 2DD Disk Test OK 2HD Disk Test OK 1.13 FLOPPY DISK Driver Check ? Insert a protected disk and check that the display shows a “marking” symbol near the writing Test Protect Disk ? Insert a DD disk and check that the display shows a “marking” symbol near the writing Test 2DD Disk ? Inser

32、t a DD disk and check that the display shows a “marking” symbol near the writing Test 2HD Disk ? At the end of the tests, touch the icon NEXT, to pass to the next test. ? ? ? ? E-50 4343 1.14 PCMCIA slot Check ? Insert the Card PCMCIA Card for the test ? Wait for the result (about 30 seconds) and th

33、en check that the display shows the message CARD TEST OK ? At the end of the test, remove the Card and touch the icon NEXT, to pass to the next test. ? ? ? Sept. 2006 4444 Mute onMute of f Left channel only Right channel only Both channels Low Frequency Medium Frequency High Frequency 1.15 Audio Che

34、cks and Measurements 1.15.1 Audio Check on the Speakers ? With the VOLUME potentiometer at maximum, check that no noises or bruises can be hear from the speakers ? Press the icons LOW, MID, HIGH to listen to the notes with different frequencies from the four speakers; at the end press the icon MID ?

35、 Press the icons L, R to chekc the separation of the two channels (2 left or right speakers); at the end press the icons L+R ? Activating/disactivating the MUTE (press the icons ON and OFF), check that the sound is immediately cancelled and then returns after 1-2 seconds respect.ly ? Leave the MUTE

36、in the OFF position. E-50 4545 1.15.2 Max Bass and Effects Check ? Check that the Max Bass check has been carried out successfully (OK); in cas of error NG will appear ? Press the icon ON, first in the Rev section then in the Cho section, to listen to the Reverb and Chorus effects; check the presenc

37、e of the effect and the quality of the sound. ? ? ? ? At the end put both effects in the OFF position again. ? Make sure that with the VOLUME potentiometer at minimum the sound completely disappears. Sept. 2006 4646 1.15.3 OUTPUT exits Measurements ? Connect the (L/R) OUTPUT exits with an external a

38、mplified instrument. ? Press the icons MID and L (the MUTE must be OFF) ? Check that the sound is clean and comes from the LEFT loudspeaker of the external amplified instrument only. ? Press the icon R ? Check that the sound is clean and comes from the RIGHT loudspeaker of the external amplified ins

39、trument only. ? Press the icon L+R E-50 4747 Mute on Mute of f ? Check that the sound is clean and comes from both the loudspeakers of the external amplified instrument. ? Activating/disactivating the MUTE (press the icons ON and OFF), check that the sound is immediately cancelled and then returns a

40、fter 1-2 seconds respectively. Sept. 2006 4848 1.15.4 Measurement of the PHONES exits ? Connect the headphones with the PHONES 1 exit of the E-50 ? Press the icons MID and L (the MUTE must be OFF) ? ? ? Check that the sound is clean and comes from the LEFT loudspeaker of the headphones only. ? Press

41、 the icon R ? Check that the sound is clean and comes from the RIGHT loudspeaker of the headphones only. ? Press the icons L+R E-50 4949 Mute on Mute of f ? Check that the sound is clean and comes from both the loudspeakers of the headphones. ? Activating/disactivating the MUTE (press the icons ON a

42、nd OFF), check that the sound is immediately cancelled and then returns after 1-2 seconds respectively. ? Repeat the above tests by connecting the headphones to the PHONES 2 socket of the E-50. ? Press the icon NEXT ? The Test Mode is now completed. Sept. 2006 5050 2 2. . F FA AC CT TOOR RY Y R RE E

43、S SE ET T ? Turn on the instrument, wait for the initialization of the E-50, press the MENU button ? Select the UTILITY icon on the right side of the display ? Select the FACTORY RESET icon on the top of the display, then select the icon EXECUTE: the Factory Reset will start ? At the end of this ope

44、ration (100%) a video must appear that confirms the operation has been successful ? Check that the test has had a positive outcome ? Press the EXIT button ? ? ? ? ? E-50 5151 MUSICAL DATA present MUSICAL DATA missing 3 3. . C CH HE EC CK K OOF F T TH HE E V VE ER RS SI IOON NS S ? Turn on the instrument with the MUSIC ASSISTANT button pressed. ? After the initialization, a video will appear with the information of the versions ? Check that the versions are all present; if the version of the Musical Data does not appear, it means that the loading of the musical data was not carried out.