Block Diagram
CH1
BALANCED
CH1
L/R
| CH2 |
| L/R |
| CH3 |
| L/R |
| CH4 |
| L/R |
| AUX 1 |
| L/R |
AUX IN/ | AUX 2 |
MONITOR IN | L/R |
AUX 3 (STEREO)
STEREO LINK IN (MONO)
EFX(L/R) | SPEAKER (L/R) | PHONES (L/R) | LINEOUT (L/R) |
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| HPF |
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| STEREO |
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| MIDDLE | L | LINK | LPF |
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| LOW | HIGH |
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| EQUALIZER |
| HPF | |
EFX |
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CH 1 |
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| VOLUME |
| LPF |
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| R |
| POWER AMP |
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EFX |
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CH 2 |
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EFX |
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| EQUALIZER |
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CH 3 |
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| PHONES |
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| GND LIFT |
EFX |
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CH 4 |
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MUTE |
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SPEAKER |
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LINE OUT |
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LEVEL |
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| TYPE | SPEED |
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| EFX |
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TWEETER L
WOOFER L
TWEETER R
WOOFER R
PHONES (STEREO)
LINE OUT
XLR
L/R
LINE OUT
L/R
STEREO
LINK OUT
L/R
FOOT SW TIP: ON/OFF RING: SPEED
Troubleshooting
If the unit doesn’t work the way you think it should, then before you do anything else, first check the following points. If these checks fail to
determine the cause, consult your retailer or the nearest Roland Service Center.
Problem | Cause | |
|
| |
No power. | Is the power cord correctly plugged in to a | |
power outlet? | ||
| ||
|
| |
| Is the external equipment connected | |
| correctly? | |
|
| |
| Are the [VOLUME] knob and the volume | |
| knobs for the respective channels adjusted | |
No sound. | correctly? | |
| ||
Are the AUX IN/MONITOR IN [MUTE] | ||
| ||
| buttons switched on? | |
|
| |
| If the problem of no sound persists, contact | |
| your retailer or the nearest Roland Service | |
| Center. | |
|
| |
| Are the [VOLUME] knob and the volume | |
Sound is | knobs for the respective channels turned | |
up too high? | ||
distorted or |
| |
Is the input signal from the device | ||
noisy. | ||
| connected to the mixer at an appropriate | |
| level? | |
|
|
Problem | Cause | |
|
| |
| Are the [VOLUME] knob and the volume | |
| knobs for the respective channels adjusted | |
| correctly? | |
|
| |
| Are connections made to both the XLR- | |
| type and 1/4” phone connectors for | |
Low sound. | channel 1 (CH1)? | |
Use only one of the two connectors. | ||
|
| |
| Is the input signal from the device | |
| connected to the mixer at an appropriate | |
| level? | |
|
| |
| Are two or more devices connected to AUX | |
| IN? | |
|
| |
| Are the [EFX] buttons for the respective | |
| channels switched on? | |
Effects are not |
| |
Is the [EFX] knob adjusted correctly? | ||
applied. | ||
| ||
| Have effects been turned off using the | |
| footswitch pedal? | |
|
|
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