Boss_DR-3_Dr.Rhythm_Service_Manual电路图.pdf

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1、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. Printed in Japan (0800) (SC)17058151E0 Feb.2003DR-3 SERVICE NOTES Issued by RJA TABLE OF CONTENTS SPECIFICATIONS.2 LOCATION OF CONTRO

2、LS .3 LOCATION OF CONTROLS PARTS LIST.3 EXPLODED VIEW.4 EXPLODED VIEW PARTS LIST.4 PARTS LIST.5 TEST MODE.6 TEST MODE ERROR MESSAGE.10 RESTORING THE FACTORY SETTINGS.11 SYSTEM SOFTWARE UPDATE PROCEDURES.11 INPORTANT CAUTIONS WHEN REPLACING THE PIEZO PICKUP OR BATTERY WIRING.12 RadioFans.CN 收音机爱 好者资料

3、库 2 Feb.2003 SPECICATIONS DR-3: Dr.Rhythm Styles User Style: 100 styles Preset Style: 100 styles *11 patterns for a style Songs User Song: 100 Song Length: Maximum 250 patterns for a song TSC (Total Sound Control) Sound Shape Preset Patch: 8 patches User Patch: 8 patches Ambience Preset Patch: 8 pat

4、ches User Patch: 8 patches Max Polyphony 12 voices Instrument Drum and Perc: 120 Bass: 12 Resolution 96 per quarter note Tempo 20-260 bpm Recording Method Realtime / Step Pads 13 (Velocity-sensitive) Display Backlit LCD (16 Characters x 2 Lines) Connectors Output Jack: L, R (RCA phono type), L (PHON

5、ES), R (MONO) (1/4 inch phone type) Foot Switch Jack (Stereo 1/4 inch phone type) MIDI IN Connector DC IN (AC Adaptor Jack) Power Supply DC 9V: Dry Battery x 6, AC Adapter (PSA series) Power Consumption 200 mA *Expected battery life under continuous use: Alkaline: approx. 5 hours This figures will v

6、ary depending on the actual conditions of use. Dimensions 213 (W) x 185 (D) x 53 (H) mm 8-7/16 (W) x 7-5/16 (D) x 2-1/8 (H) inches Weight 710 g / 1 lb 10 oz (excluding dry batteries) Accessories Owners Manual English (#03236845) Alkaline Dry Battery (LR6 (AA) type) x 6 (#*) Options AC Adaptor: PSA S

7、eries Foot Switch: FS-5U Foot Switch Cable: PCS-31 (Roland) (1/4inch Phone Plug (stereo)-1/4inch Phone Plug (mono) x 2) *In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice. RadioFans.CN 收音机爱 好者资料库 3 DR-3 LOCATION OF CO

8、NTROLS fig.panel LOCATION OF CONTROLS PART LIST Parts NoPart CodePart NameQty 1F2477101DR-KNOB1 202671212ROTARY ENCODER EVE GB1F15 24B1 303237812RUBBER SW FOR DR-31 401566445DIN CONNECTER YKF51-5067 (take off the shield plate)1 5028973346.5M JACK HTJ-064-10D1 6005692786.5M JACK LGR4609-71002 7004514

9、34RCA(PIN) JACK YKC21-31202 803237823ROTARY POTENTIOMETER RK09K12A01 903237834SLIDE SWITCH SK1209RG91 1013449711DC JACK HEC0470-01-6301 1103237845BOTTOM FOOT4 RadioFans.CN 收音机爱 好者资料库 4 Feb.2003 EXPLODED VIEW fig.bunkai EXPLODED VIEW PART LIST 4 8 5 6 3 5 7 1 2 9 NoPart CodePart NameQty 1F2477101DR-K

10、NOB1 203237812RUBBER SW1 3G2027602BATTERY COVER1 4G2017617BATTERY CASE1 5G2177304BATTERY TERMINAL(+/-)2 6G2177306BATTERY TERMINAL(-)1 7G2177305BATTERY TERMINAL(+)1 803237856BATTERY WIRING1 903237845BOTTOM FOOT4 5 DR-3 PART LIST fig.part1E SAFETY PRECAUTIONS: The parts marked have safety-related char

11、acteristics. Use only listed parts for replacement. CONSIDERATION ON PARTS ORDRING When ordering any parts listed in the parts list, please specify the following items in the order sheet. QTYPART NUMBERDESCRIPTIONMODEL NUMBER Ex.1022575241Sharp KeyC-20/50 152247017300Knob (orange)DAC-15D Failure to

12、completely fill the above items with correct number and description will result in delayed or even undelivered replacement. NOTE: The parts marked # are new. (initial parts) KNOB, BUTTONQty F2477101DR-KNOB 1 SWITCH #03237834SK1209RG9SLIDE SWITCHSW291 #03237812RUBBER SW1 JACK, EXT TERMINAL 02897334HT

13、J-064-10D6.5M JACKJK21 00569278LGR4609-71006.5M JACKJK4,JK52 00451434YKC21-3120RCA(PIN) JACKJK32 13449711HEC0470-01-630DC JACKJK61 01566445YKF51-5067DIN CONNECTER (take off the shield plate) JK11 FINISHED GOODS #SK000135DR-3 FINISHED GOODS 100Vfor SERVICE ONLY1 POTENTIOMETER #03237823RK09K12A0ROTARY

14、 POT.VR11 ENCORDER 02671212EVE GB1F15 24BROTARY ENCODEREN11 WIRINGCCABLE #03237856BATTERY WIRING1 PICK UP, SENSOR #0323932364PE200430Z-X521PIEZO PICK UP1 PACKING #03237878PACKING CASE1 #03237867PACKING PAD L/R1 MISCELLANEOUS G2017617BATTERY CASE1 G2027602BATTERY COVER1 G2177306BATTERY TERMINAL(-)1 G

15、2177305BATTERY TERMINAL(+)1 G2177304BATTERY TERMINAL(+/-)2 #03237845BOTTOM FOOT4 ACCESSORIES (STANDARD) #03236834OWNERS MANUAL JAPANESE1 #03236845OWNERS MANUAL ENGLISH1 *ALKALINE DRY BATTERYLR6 (AA) TYPE6 6 Feb.2003 TEST MODE Required equipment 1. AC Adaptor PSA Series 2. Foot Switch x2 (such as an

16、FS-5U) 3. Foot Switch Cable (Roland PCS-31) (1/4inch Phone Plug (stereo)-1/4inch Phone Plug (mono) x 2) 4. MIDI keyboard (such as an PC-300) 5. MIDI Cable 6. Oscilloscope 7. Noise Meter (WEIHGT JIS-A or IHF-A) 8. Headphone 9. AA-size dry-cell Battery x6 Prior Preparations for Test Mode fig.test0-0 1

17、. Connect the AC adapter to DC IN on the DR-3. 2. Use a MIDI cable to connection MIDI OUT on a MIDI device capable of NOTE ON output to MIDI IN on the DR-3. 3. Using connector cords (PCS-31), connect foot switches (FS-5U x 2) to the FOOT SW jacks on the DR-3. Set the POLARITY SW on each FS-5U to JAC

18、K. 4. Make the following settings on the connected device. Oscilloscope settings: VOLTS 1 V/DIV, TIMES 0.2 S/DIV Noise meter setting: WEIGHT JIS-A or IHF-A DR-3 VOLUME setting: MAX Test items 1. SRAM Check 2. FLASH Check 3. GA Check 4. MR3 Check 5. BATTERY Check 6. MIDI Check 7. LED Check 8. LCD Che

19、ck 9. Encorder Check 10. FOOT SW Check 11. PIEZO Check 12. SQUAEW Check 13. SINE Check 14. MUTE Check 15. Ending the Test Mode 16. Checks for Normal Operation 17. Residual-noise Check 18. Battery-operation Check fig.test0-1 Starting the Test Program Hold down the VARIATION PTN and VARIATION MUTE but

20、tons and switch on the power on the DR-3. Continue to hold down the buttons until the following display appears on the LCD screen. fig.test0-2 A = Version number of the mask CPU (IC7) B = Version number of the firmware written to the flash memory (IC8) Check the following: The LCD backlight must lig

21、ht up (upper row; four locations). LED brightness must be without fluctuation. Turning the encoder to select the test item. 1.RAM Check 1. Press the ENTER button. If there is no problem, the display will indicate “OK.” fig.test1-2 AC Adaptor PCS-31 White Red MIDI KEYBOARD MIDI OUT MIDI IN Press 7 DR

22、-3 2. Press the EXIT button to end the SRAM Check. 2.FLASH Check fig.test2-1 1. Press the ENTER button. If there is no problem, the display will indicate “OK.” fig.test2-2 2. Press the EXIT button to end the FLASH Check. 3.GA Check fig.test3-1 1. Press the ENTER button. If there is no problem, the d

23、isplay will indicate “OK.” fig.test3-2 2. Press the EXIT button to end the GA Check. 4.MR3 Check fig.test4-1 1. Press the ENTER button. If there is no problem, the display will indicate “OK.” fig.test4-2 2. Press the EXIT button to end the MR3 Check. 5.BATTERY Check fig.test5-1 1. Press the ENTER bu

24、tton. If there is no problem, the display will indicate “OK.” fig.test5-2 2. Press the EXIT button to end the BATTERY Check. 6.MIDI CHECK fig.test6-1 1. Press the ENTER button. fig.test6-2 2. Send NOTE ON information from the connected MIDI keyboard. (Any settings may be used for the MIDI channel an

25、d note number.) 3. Press the EXIT button to end the MIDI Check. 7.LED Check fig.test7-1 1. Press the ENTER button. 2. Check the following: The LEDs for all buttons must light up (22 locations). The brightness of the button LEDs must be without fluctuation. Names of Buttons with Lighting LEDs MANU, A

26、UTO, SONG, START, STEP REC, SOUND SHAPE, AMBIENCE, PTN, INST, VARIATION PTN, VARIATION KIT, VARIATION MUTE, KEY SHIFT, TEMP, INTRO START, FILL A, VERSE A, FILL B, VERSE B, FILL C, VERSE C, and ENDING STOP 3. Press the button displayed on the LCD. The button to press next is then displayed. Continue

27、with pressing the buttons in the sequence shown. Also make sure that when a button having a lighted LED is pressed, the LED simultaneously goes dark. 4. If after being pressed the button catches on the case and does not return or rubs against the case and returns slowly, the test is considered to ha

28、ve been failed. If the test fails “NG”, check for a problem in the installation of the rubber switch or for burring on the case. 5. Press the last ENDING STOP button to end the LED Check. 8.LCD Check fig.test8-1 8 Feb.2003 1. Press the ENTER button. Make sure that all dots on the LCD screen are blac

29、k and that there are not missing dots. 2. Press the ENTER button. Make sure all dots on the LCD screen turn white. 3. Press the ENTER button to end the LCD Check. 9.Encorder Check fig.test9-1 1. Press the ENTER button. 2. Slowly turn the encoder clockwise. fig.test9-2 3. Make sure that STEP is set t

30、o “1,” and that SUM is incremented one unit at a time. 4. Slowly turn the encoder counterclockwise. fig.test9-3 5. Make sure that STEP is set to “-1,” and that SUM is decremented one unit at a time. 6. Press the EXIT button to end the ENCORDER Check. 10.FOOT SW Check Before entering the Test mode, c

31、onnect the foot switches. fig.test10-1 1. Press the ENTER button. fig.test10-2 2. Press and release the FS-5U (to which the white line of the PCS-31 is connected). fig.test10-3 3. Press and release the FS-5U (to which the red line of the PCS-31 is connected). 4. Press the EXIT button to end the FOOT

32、 SW Check. 11.PIEZO Check fig.test11-1 1. Press the ENTER button. fig.test11-2 The “*” displayed indicates a change in the display in response to vibration applied to the DR-3. 2. With the finger, strike the VARIATION MUTE button on the product. fig.test11-3 3. The LCD screen must display “100 OK.”

33、fig.test11-4 The level meter is displayed on the LCD screen every time the unit is tapped. After that the LCD screen displays the “MAX” value, which stays on screen. 4. Press the EXIT button to end the PIEZO Check. 12.SQUAEW Check fig.test12-1 1. Press the ENTER button. 2. On the DR-3, set VOLUME to

34、 “MAX.” Tap 9 DR-3 fig.volume 3. Use an oscilloscope to observe the waveforms from OUTPUT L/R (PIN jack) on the DR-3. fig.lineout-1 Waveforms like those shown above must be output from LINE OUT L/ R. They must be rectangular waves phase-shifted by 90 degrees. The waveform height must be from 1.8 V t

35、o 2.4 V. 4.Observe the waveform from the tip of R (MONO) on the DR-3. Nothing must be plugged into L (PHONE) at this time. fig.lineout-2 A stepped waveform like the one shown above must be output from R (MONO). 5.Observe the waveforms from the tip of L (PHONE) and from the tip of R (MONO) on the DR-

36、3. fig.lineout-3 They must be rectangular waves phase-shifted by 90 degrees, like those shown above. The waveform height must be from 1.8 V to 2.4 V. 6.Disconnect the plug from R (MONO). Insert a stereo plug into L (PHONE) and waveforms of the tip and the ring. fig.lineout-4 7.Turn VOLUME on the DR-

37、3 to “MAX,” then to “MIN,” then back to “MAX,” and make sure the waveforms change smoothly. Also, make sure that the waveforms disappear completely when VOLUME is set to “MIN.” fig.volume 8.Press the EXIT button to end the SQUARE Check. 13.SINE Check This item is used only during the shipping test a

38、t the factory. You need not use it when servicing in the field. 14.MUTE Check This item is used only during the shipping test at the factory. You need not use it when servicing in the field. 15.Ending the Test Mode Switch off the DR-3. 16.Checks for Normal Operation 1.Switch on the DR-3 unit. 2.Conn

39、ect headphones to L (PHONES) on the DR-3. fig.phone Lch 1V/DIV 0.2s/DIV LINE OUT Rch VOLTS 1V/DIV, TIMES 0.2S/DIV Lch 1V/DIV 0.2s/DIV L(PHONE) / R(MONO) Rch VOLTS 1V/DIV, TIMES 0.2S/DIV Lch 1V/DIV 0.2s/DIV L(PHONE) / R(MONO) Rch VOLTS 1V/DIV, TIMES 0.2S/DIV RING 1V/DIV 0.2s/DIV L(PHONE) TIP / RING T

40、IP VOLTS 1V/DIV, TIMES 0.2S/DIV Headphone 10 Feb.2003 3.Press the INTRO START button and check the sound of pattern playback. 4.Turn the volume knob and make sure that the volume level changes smoothly. 5.Press the STOP button to stop playback. 6.Press the INST button. fig.test16-1 7.Tap the INTRO S

41、TART (KICK) and ENDING STOP (CYM 3) buttons forcefully and gently, and check the resulting sound. At this time, also make sure that the volume level changes in accordance with the force with which the buttons are tapped. 8.Switch off the DR-3. 17.Residual-noise Check 1.Switch on the DR-3 unit and st

42、art the normal mode. 2.Set VOLUME on the DR-3 to “MAX” and measure residual noise at L (PHONE) and R (MONO) using a noise meter. A dummy plug must be inserted into L (PHONE) when performing measurement at R (MONO). The levels at both L (PHONE) and R (MONO) must be -88 dBm or less (WEIGHT JIS-A or IH

43、F-A). 18.Battery-operation Check 1.Detach the cord from DC IN on the DR-3. 2.Install six AA-size dry-cell batteries in the DR-3. fig.battery 3.Switch on the DR-3 unit. 4.Make sure the product starts and the LEDs are as follows. MANU, PTN, SOUND SHAPE, and AMBIENCE LEDs lighted. INTRO START LED flash

44、ing. 5.Switch off the DR-3. TEST MODE ERROR MESSAGE fig.error-1 aaaaaaaa - This indicates the address where the error occurred. This is a defect in the SRAM (IC9) or a solder defect between the CPU (IC7) and the SRAM (IC9). fig.error-2 This indicates a failure to read the flash memory. This is a def

45、ect in the flash memory (IC8) or a solder defect between the CPU (IC7) and the flash memory. fig.error-3 This indicates a failure in reading or writing to the gate-array register. This is a defect in the gate array (IC6) or a solder defect between the CPU (IC7) and the gate array. fig.error-4 This i

46、ndicates that the chip ID could not be read. This is a defect in MR3 (IC10) or a solder defect between the CPU (IC7) and MR3. fig.error-5 This indicates a failure to access the IRAM. This is a defect in MR3 (IC10) or a solder defect between the CPU (IC7) and MR3. fig.error-6 This indicates a problem in the battery detection circuit. This is a defect in R131, R132 or a solder defect of the CPU (IC7). 11 DR-3 RESTORING THE FACTORY SETTINGS This restores the settings of the DR-3 to their factory defaults. 1.Power on the DR-3. fig.fact-1 2.Pre