Factory Preset Recall; Troubleshooting - Yamaha P-120 P-120S Owner's Manual

Factory Preset Recall

Troubleshooting

If you encounter what appears to be a malfunction, please check the following points before assuming
that your P-120/P-120S is faulty.
1. No Power
Is the AC adaptor's DC plug connected to the main
unit?
Is the AC cable plugged into the AC adaptor and an
AC wall outlet?
Please check all connections. (page 10)
2. No Sound or Sound Output is Low
Is the MASTER VOLUME control turned up to a
reasonable listening level?
Make sure a pair of headphones is not connected to
the headphones jack (when the SPEAKER switch is
set to the "NORMAL" position). If the SPEAKER
switch is set to the "OFF" position set it to "NOR-
MAL" or "ON" (page 11).
Also make sure that the Local Control (page 38) is
ON.
3. The speakers do not switch off when a pair
of headphones is connected.
The SPEAKER switch may be switched "ON". Set
the SPEAKER switch to the "NORMAL" position
(page 11).
4. The P-120/P-120S Reproduces Radio or TV
Sound
This can occur if there is a high-power transmitter in
your vicinity. Contact your Yamaha dealer.
5. Intermittent Static Noise
This is usually due to turning ON or OFF a house-
hold appliance or other electronic equipment which
is fed by the same AC mains line as your P-120/P-
120S.
44
P-120/P-120S
All dual mode, split mode, reverb, effect, touch sensitivity, tuning
settings, and the settings affected by the Backup Functions can be
restored to their original factory preset values by holding the C7 key
(rightmost key on the keyboard) while turning the [STANDBY/ON]
switch ON. This also erases all user song recorder data, and sets all
Backup on/off settings (F9) to "OFF".
• The factory setting list is found on page 49.
NOTE
6. Interference Appears On Radio or TV Sets
Located Near the P-120/P-120S
The P-120/P-120S contains digital circuitry which
can generate radio-frequency noise. The solution is
to move the P-120/P-120S further away from the
affected equipment, or vice versa.
7. Distorted Sound When the P-120/P-120S is
Connected to An External Amplifier/
Speaker System.
If the P-120/P-120S is connected to a stereo system
or instrument amplifier and the sound is distorted,
reduce the P-120/P-120S's [MASTER VOLUME],
and/or the volume of the external equipment to a
level at which the distortion ceases.
8. Noise is heard from the speakers or head-
phones.
The noise may be due to interference caused by the
use of a mobile phone in close proximity to the P-
120/P-120S.
Turn off the mobile phone, or use it further away
from the P-120/P-120S.
G If "Scn" appears on the display an internal
malfunction has occurred. In this case, con-
tact your Yamaha dealer.