Roland VM-3100PRO service manual 电路图.pdf
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1、Apr,1999VM-3100/3100Pro 1 Copyright 1999 ROLAND CORPORATION All rights reserved. No part of this publication may be reproduced in any form without the written permisson of ROLAND CORPORATION. Table of ContentsPage SPECIFICATIONS. 12 LOCATION OF CONTROLS. 3 EXPLODED VIEW. 4 BLOCK DIAGRAM. 5 PARTS LIS
2、T. 67 TEST MODE.79 IDENTIFYING VERSION NUMBER. 7 SYSTEM SOFTWARE UPDATE USING THE SMF. 10 SAVING USER AREA. 10 CIRCUIT DIAGRAM and then turns on all LEDs. BLINK: blinks all LEDs. ALL ON: turns on all LEDs. MANU: turns on all LEDs one by one as VALUE dial is turned. Upon turning on the last LED, the
3、LCD displays Remain = OK. To exit to the menu screen, press again the function button. To exit the current check item, press EXIT/NO button. 3. 03: SW Check The option SW Check is displayed on the top left side of the check screen. Graphical representation of panel switches is also displayed. Press
4、a switch and the switch symbol _ changes to . The symbol changes to while the switch is kept pressed. When all switches displayed have successfully passed the test, the screen displays Remain = OK. Note: If all LEDs are blinking, it means that two or more buttons have been pressed simultaneously. To
5、 exit the check, turn VALUE dial. 4. 04: Fader Check The option Fader Check is displayed on the top left side of the check screen. Bargraph display of 11 faders also appears. The current setting of the slider is represented by the height of the bar and the numerical representation field value = xx (
6、xx: 0-127). When all travel range of the fader (slider) is recognized, OK is placed above and below the bar. To exit the test, press EXIT/NO button. 5. 05: Pot Check The option Pot Check is displayed on the top left side of the check screen. The 9 rotary potentiometers are graphically represented on
7、 the screen. The current setting of the potentiometer is represented by the simulating potentiometer and the numerical representation field value = xx (xx: 0-127). When all travel range of the potentiometer is recognized, The potentiometers on the screen are displayed in reverse video. To exit the t
8、est, press EXIT/NO button. 6. 06: Foot SW Check Connect the foot switch to FOOT SWITCH socket. The option Foot SW Check is displayed on the top left side of the check screen. The xx in the Foot Sw = xx field on the screen is turned on or off as the foot switch is depressed. When the test has success
9、fully completed, the LCD displays Remain = OK. To exit the test, press EXIT/NO button. 7. 07: MIDI Check Connect the VM3100/Pro to the MIDI-capable equipment through MI The option MIDI Check is displayed on the top of the LCD screen. Press the function button F1. The LCD will display MIDI I/O Check.
10、 Send MIDI signals from the MIDI-capable equipment. The LCD will indicate the received MIDI signal data (value), indicating that the MIDI IN circuit on the unit is operating. The same data is output to the MIDI OUTPUT when the MIDI output circuit is operating. o exit the test, press EXIT/NO button.
11、8. 08: A/D D/A Check The option A/D D/A Thru Check is displayed on the top of the LCD screen. The function of buttons F1 - F4 is identified on the bottom of the LCD. Designation on LCD ButtonFunction Input F1Selects input channel group: 1-6/7-12 Mon F2Selects monitor output channel group: 1,2/3,4/5,
12、6/7,8/9,10/11,12 Mute F3Mutes the audio signs. Phntm F4Turns on/off the phantom power supply. Turn channels 1-8 INPUT level controls (rotary potentiometers) fully counterclockwise (LINE). Check 1 Set the audio generator to 1 kHz, sine and connect it to a channel INPUT. Connect the oscilloscope to th
13、e corresponding output socket listed in the table below. Set the output level of the generator according to the list. Verify that the oscilloscope reads 2.2 Vpp. Repeat the step for the remaining channels. Input = 1-6Input = 7-12Output CH 1 (5.5 Vpp)CH 7 (5.5 Vpp)MASETER OUT (L) CH 2 (5.5 Vpp)CH 8 (
14、5.5 Vpp)MASETER OUT (R) CH 3 (5.5 Vpp)CH 9 (2.2 Vpp)AUX SEND (1) CH 4 (5.5 Vpp)CH 10 (2.2 Vpp)AUX SEND (2) CH 5 (5.5 Vpp)CH 11 (2.2 Vpp)BUS OUT (L) CH 6 (5.5 Vpp)CH 12 (2.2 Vpp)BUS OUT (R) Check 2 Select the input group Input = 1-6. Connect the condenser Mic to INPUT CH 1 and turn the input level co
15、ntrol potentiometer fully clockwise (MIC). Connector the headphones to MONITOR and turn phantom power supply on (Phntm = On). Verify the sound from Mic to headphones. Repeat the step for INPUT channel 2. To exit the test, press EXIT/NO button. 9. 09: Digital In Check Connect the CD player to VM3100/
16、Pro: COAXIAL to IN A on the rear panel and OPTICAL to IN B. The option Digital In Check is displayed on the top of the LCD screen. The function button F1 toggles between IN A and IN B and the LCD indicates the selected input in the in = xxxx field. The screen displays Freq = 44.1 k or the like when
17、the circuit is operating. Otherwise, it will display Freq = -. To exit the test, press EXIT/NO button. 9 Apr,1999VM-3100/3100Pro 10. 10: Device Check The option Device Check is displayed on the top left side of the LCD screen. Press the function button F1 - F4 identified on the bottom of screen to s
18、tart the following chip. ROM: flash memory (IC2, main board) ESP: gate array (IC10, main board) SRAM: memory (IC3, main board) OESP: gate array (IC16, effects board) (VM3100Pro only) When the IC is operating, the screen displays OK, otherwise NG. Repeat the test step by pressing EXIT/NO button and t
19、hen the function (F*) button. Press EXIT/NO button upon completion of the 4th test to exit the screen. 11. 11: RMDB Check (VM3100Pro only) The option RMDB Check is displayed on the top left side of the LCD screen. Press the function button F1. The screen displays Clock = Master. Short together pins
20、18 and 21 of RMDB II socket by using approx. 0.8 mm dia. wire (wire solder will serve) as a jumper wire. Test the RMDB II digital audio circuit by following the procedure given below: a. Short together pins 2 and 12 of RMDB II socket. The audio signal from INPUT CH 1 is sent to MASTER OUT L socket.
21、b. Short together pins 3 and 11 of RMDB II socket. The audio signal from INPUT CH 2 is sent to MASTER OUT R socket. c. Short together pins 4 and 10 of RMDB II socket. The audio signal from INPUT CH 3 is sent to AUX SEND 1 socket. d. Short together pins 6 and 8 of RMDB II socket. The audio signal fro
22、m INPUT CH 4 is sent to AUX SEND 2 socket. To exit the test, press EXIT/NOn button. 12. 12: Encoder Check The option Enc Check is displayed on the top left side of the LCD screen. A rectangular box is also displayed. Turning VALUE dial paints portion of the box in the direction of turning. The Value
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