Yamaha MW12CX Service Manual page 52

MW12CX/MW12C
3. Others
Execute each test with controls set effective.
3-1 Effect (MW12CX only)
Check the effect program [1], [6], [11] and [16] are effective respectively.
Check the output signal can be controlled with the parameter volume in each effect program.
Check the allophone can not be heard when the program is changed.
3-2 PHANTOM
Connect a 10 kΩ load resistance between pin 1 and pin 2 of the INPUT A or MIC terminal and short-circuit pin 2 and pin 3.
Then turn on the PHANTOM switch and check the PHANTOM indicator lights up and the voltage between pin 1 and pin 2 is
between +33.0 V and +37.0 V.
4. Settings for shipping
4-1 Factory Settings
• Equalizer gain control (HIGH, MID, LOW)
• PAN, PAN/BAL, BAL control
• Other VR controls
• Faders
• Lock-push switches
• ON/STANDBY switch (on rear side)
52
: Center (0)
: Center
: Minimum
: Minimum
: OFF
: STANDBY