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7.5. Changing MIC and PROGRAM Input Types

Both MIC and PROGRAM inputs can be changed from electronically-balanced to transformer-balanced types
in the procedures as follows.
7.5.1. MIC input
Install an optional IT-450 Line Transformer in the specified location on the printed circuit board.
Cut off the JP202 and JP203 jumper wires.
JP202
JP203
T203 T202
Preamplifier board
Line Transformer IT-450

7.4. Phantom Power On/Off Setting for Microphone Input

The phantom power is set for ON or OFF by the unit's internal jumper switch JP201.
It is factory-preset for OFF.

7.3. AUX, PROGRAM, MODULE (BGM) Output Selection

Operations shown in the following table can be enabled with the unit's internal jumper settings.
[OUTPUT 15 W/30 W/60 W/120 W] [OUTPUT 1 W, MOH]
Jumpered AUX: ON
Cut AUX: OFF
Jumpered PROGRAM: ON
Cut PROGRAM: OFF
Jumpered MODULE (BGM): ON
Cut MODULE (BGM): OFF
JP210
JP211
JP212
Jumpered AUX: ON
Cut AUX: OFF
Jumpered PROGRAM: ON
Cut PROGRAM: OFF
Jumpered MODULE (BGM): ON
Cut MODULE (BGM): OFF
JP213
JP214
JP215
JP210: AUX
JP211: PROGRAM
JP212: MODULE (BGM)
T203 T202 T201
Preamplifier board
JP215: MODULE (BGM)
JP214: PROGRAM
JP213: AUX
[OUTPUT 15 W/30 W/60 W/120 W] [OUTPUT 1 W, MOH]
T203 T202 T201
Preamplifier board
Jumper switch JP201
ONOFF