Yamaha Disklavier DGP1 Maintenance Handbook - Page 27
Browse online or download pdf Maintenance Handbook for Musical Instrument Yamaha Disklavier DGP1. Yamaha Disklavier DGP1 50 pages.
Print Page
1. Test pattern play & check - Check playability
+
Power
00
* MAINTENANCE *
*** MODE GP **
R
01
***** TEST *****
***** PLAY *****
01
1.ppp
t100
v001
K=XX
V=XXX
T=XXX
01
2.mf
t100
v050
K=XX
V=XXX
T=XXX
01
3.5Hz
t100
v064
K=XX
V=XXX
T=XXX
01
4.LOUD HP CHECK
PEDAL 000 ->000
01
5.LOUD SW CHECK
PEDAL
000 ->000
01
6.LOUD TIMING F
PEDAL 000 -> 000
Continued
Data display : TEST 1~3
Tempo (050%~200%)
Key No.
Measured velocity data
Tempo;
Playback velocity : By using the
Start/
1. Minimum-pressure single note scale (Legato)
pause
a. Check for evenness of tone
b. Velocity reference — less than 040 = good
c. Timing reference — around 125 = good
Reasons for incorrect
Countermeasures
2. Standard volume single note scale (Staccato)
a. Check for evenness of tone
b. Velocity reference — around 050 = good
c. Timing reference — around 125 = good
3. Five continuous strokes
a. Check for repetition
b. Velocity reference — around 064 = good
c. Timing reference — around 125 = good
4. Sustain pedal(half pedal) action check
a. Check the half pedal (incremental) operation
Data display : TEST 4~16
Pedal drive data
5. Sustain pedal (switch pedal) action check
a. Check the operation
b. Check noise
6. Sustain pedal timing check (fast)
a. Check simultaneous action of pedal and key striking
25
Playback velocity (001~127)
1.ppp t100 v001
=
=
=
K
XX V
XXX T
XXX
(on full-function models only)
button, 100% ← → 200%:
,
+ /YES
–/NO
Uneven piano regulation, piano
condition
table, solenoid
Piano regulation, keyboard measure-
ment, keyboard adjustment
Uneven piano regulation, piano table
Piano regulation, keyboard measurement
Uneven piano regulation, piano table
Piano regulation, keyboard measurement
Inadequate piano pedal adjustment,
piano table
Piano pedal adjustment, sustain pedal
measurement
4.LOUD HP CHECK
PEDAL 000 ->000
Inadequate piano pedal adjustment,
piano table
Piano pedal adjustment, sustain pedal
measurement
Timing
ENTER
button
button
Pedal measurement
data