Yamaha DTXT2S, Service Manual

Page: 48 / 95

DTXTREME IIS
48
Inspecting the Main Unit for Sound Production
Turn off power once. Then turn it on again and inspect the following in normal mode.
In play mode subsequent to exit from test mode, check that the noise level meets the requirements below.
(Maximize each volume.)
OUTPUT(L/MONO): -75 dBm or less (DIN AUDIO)
OUTPUT(R): -75 dBm or less (DIN AUDIO)
PHONES(L): -65 dBm or less (DIN AUDIO)
PHONES(R): -65 dBm or less (DIN AUDIO)
INDIVIDUAL OUTPUT 1~6 -75 dBm or less (DIN AUDIO)
1. Connect the keyboard amplifier to OUTPUT (both L/MONO and R).
2.
Press [PLAY / STOP] to sound the song and check audibly that each sound is not distorted.
Check that a sound is produced by pressing [CLICK].
3.
Move MAIN OUT VOL from MIN to MAX and check that the volume changes from minimum to maximum.
4. Press [PLAY / STOP] and check that the music stops.
5.
Check that there is no click noise coming up from OUTPUT L/MONO and OUTPUT R at ON/ OFF.
See to it, however, that the MAIN OUT volume is at MAX.
6.
7.
Turn power OFF. Turn each of the following volumes and panel switches to check that it turns smoothly without being caught.
MAIN OUT VOL. HI-HAT VOL.
PHONES VOL. CYMBAL VOL.
CLICK VOL. MISC VOL.
ACCOMP. VOL. AUX IN VOL.
SNARE VOL.
KICK VOL. Each rotary encoder
Each panel switch
TOM VOL.
Set each volume as follows.
MAIN OUTVOL. MIN HI-HAT VOL. MAX
PHONES VOL. MIN CYMBAL VOL. MAX
CLICK VOL. MAX MISC VOL. MAX
ACCOMP. VOL. MAX AUX IN VOL. MIN
SNARE VOL. MAX
KICK VOL. MAX
ATTENUATION SW 1
〜
16: L
TOM VOL. MAX