Roland HP-335 Service Notes page 13

HP-335
NOTE : Basically, this mode will be bypassed and jump to the
MODEL NAME mode. However, with early
productions, the BUILD number will be displayed to
the 7-SEG LED.
Press [Function] to go on the TEST MODE.
* MODEL NAME
''335'' shall be displayed to the 7-SEG LED.
Press [Function] to go on the TEST MODE.
3. Buttons and LEDs Check
All of the LEDs on the panel shall illuminate.
NOTE: When you press [Function] button at the start it will move to
the next mode and this mode will be bypassed. When you
execute the check of Buttons and LEDs, do not press
[Function] button first.
* Press the following buttons. Confirm the sound output and the LED
becomes non-illuminated.
[piano] [E.piano] [Harpsi] [Vibes] [Organ] [Strings] [Choir] [GS
Tones] [Reverb] [Chorul] [Pianist] [Split] [Transpose] [Track R] [Track
1] [Track 2] [Play] [Rec] [Function]
* Press the following button twice. Confirm the sound output and the
LED alternately changes from ''Orange'' → ''Green'' → non-illuminated.
[Key Touch]
* Press the following button twice. Confirm the sound output and the
LED at the left side of the 7-SEG LED alternately changes from
''Orange'' → ''Green''→ non-illuminated.
[Metronome]
* Press the following buttons. Confirm the sound output and related
LEDs at the right side of the 7-SEG LED becomes non-illuminated.
[Song] [Beat] [Tempo]
* Press the following button. Confirm the sound output and left two
figures of the 7-SEG LED become non-illuminated.
[Value +]
* Press the following button. Confirm the sound output and right one
figure of the 7-SEG LED becomes non-illuminated.
[Value -]
When you finish this Buttons and LEDs check, it automatically moves
to the next Test item.
In the other words, unless you perform all of the buttons and LEDs
check, it cannot proceed on to the next mode.
4. Effect Sound, Speaker and Panning Check
(When you want to proceed on to the next stage during this test, press
[Function] button.)
When you get into this mode, 7-SEG LED displays ''Pan''.
Press following buttons and confirm the Effect sound and other settings.
BUTTON PANNING TONE EFFECTS
[piano] Center Piano Non
[E.piano] Center Piano Chorus
[Harpsi] Center Piano Reverb
[Vibes] Center Piano Resonance
[Organ] Left 440Hz Sine Wave Non
[Strings] Right 440Hz Square Wave Non
[Choir] Center 440Hz Sine Wave Non
Press [Function] to go on the TEST MODE.
5. Pedal Check
(When you want to proceed on to the next stage during this test, press
[Function] button.)
When you get into this mode, 7-SEG LED displays .
Depress each [Soft], [Sostenuto] and [Damper] pedals one by one
slowly. The output sound (Tone) should be changed related to the
depressed depth of the pedal and also the value should appear on the 7-
SEG LED. The value may change from 0 to 9 and at the full depressed
position, a Metronome sound could be heard.
The correspondence between the display and the Pedals are as follows.
7-SEG LED display Checked Pedal
3rd figure of the 7-SEG LED : Soft Pedal
2nd figure of the 7-SEG LED : Sostenuto Pedal
1st figure of the 7-SEG LED : Damper Pedal
When you finish checking and there is no malfunction with all of the
three Pedals, it automatically moves to the next Test mode.
Nov. 1998
13