Roland HP 2700 - One-Way Communication Procedure

Dec. 1990
HP-3700/2700
6)
Volume
09 ••• O#
The
volume value
read by the
CPU
will be
indicated
by
the
LEDs.
*
1
Rotate
the volume knob
to left and right, and
check
that
the
displayed value
changes smoothly
from the minimum
to
maximum, and
that the middle value
is displayed when
the
knob is in
the middle position.
Check that
the display does not
change when you move
the
brilliance knob.
To
advance
to
the next test
item, press DEMO.
7)
Brilliance
90
999
09
The brilliance
value read by the
CPU
will be indicated
by the
LEDs.
*
1
Rotate
the brilliance knob to left and
right, and check
that
the displayed
value changes smoothly from the
minimum to maximum, and that the
middle value
is
displayed when the
knob
is
in the middle position.
Check that the
display does not change when
you
move
the volume
knob.
To
advance to the next test item, press DEMO.
8)
TUNEVR
••©••O#
The TUNE VR value read by the CPU will be indicated
by the LEDs.
*
1
Rotate the TUNE
VR
to
left
and right, and check that
the displayed value
changes
smoothly from the minimum
to
maximum, and that the middle value
is
displayed when
the TUNE
VR
is in
the middle position.
To advance
to
the next test Item, press
DEMO.
9)
Direct
sound
•• #0#
O#
The LEDs of PIANO
1,
PIANO
2,
HONKY TONK,
HARPSICHORD, VIBRAPHONE, and E.PIANO will light.
Press these switches, and the corresponding direct sound
will be
heard.
Check that each instrument Is sounded correctly.
To advance to the next
test
item, press DEMO.
10)
Resonance sound
•• ##0
O#
The LEDs of PIANO
1,
PIANO
2,
and HONKY TONK will
light.
Press these switches, and
only the
corresponding
resonance
sound will be heard.
Check that only the resonance sound
of
each instrument
is
sounded correctly.
To
advance to the next test item, press
DEMO.
11)
Battery
O# ••• #0
The
battery voltage read
by the
CPU
will be indicated
by
the LEDs.
*
2
Check that the maximum value is indicated (only E.
PIANO
is lit).
(Note
: For reasons of circuit
design, the maximum value
will be indicated even
if
a battery Is not inserted into
the holder.)
To advance to the next test item, press DEMO.
6)7tt'Ua-A
09 999
09
'J
i
-
Z. ^
CPU
LED
Ltto
*
1
-r:mt
L
^
LSfo
mitto
7)
yv'jryx
90
999 09
7')
')7y7.^CP\5i)<m.h-:LAjfim.^-LED-C^7nLtto
*1
A'' zztm
iS
Lt-to
4^'
'j
-
z.
cDo
s L
/s
I.
' c
i
LtiTo
8)
TUNE VR
•• 099 09
TUNE
*1
TUNE
mtxmti.
-5
c
t
Ltto
•• •O#
O#
PIANO
K
PIANO
2.
HONKY
TONK.
HARPSICHORD.
VIBRAPHONE.
E.PIANO
®§
LED
Ctl^>®
^mm
Ltto
DEMO^ff-fi.
10)
ly'J±y7.^
99 990
09
PIANO
1.
PIANO
2.
HONKY TONK
LED
L t
to
cixt>®sw^-}f-ri.
DEMO^ffTi.
i;^®f-X
11)
09
999 90
CPU
c
led
x^t^
itto
*2
(E.PIANO ®
ic ^<£
o T
I
'
-5
c
i
l
tto
{&.M
:
iilSS®ffi^±.
<Xh
IIT:
ti®
Ali
Ltto)
DEMO^-jf-fi.
i?I®f-X
hUglcit^t-fc
12)
Sine
wave
#0 •••
#0
A
sine wave
will be
output to
OUTPUT
L
and
OUTPUT
R.(1
cycle
about 1.2 mS,
2.6Vpp)
This can be
used for
testing analog
circuitry,
etc.
(There is no
special test to
be performed here.)
To
advance to
the next test
item, press DEMO.
13)
Square
wave
•• O##
#0
A
square
wave
will
be
output to
OUTPUT L and
OUTPUT
R.(1
cycle
about 1.2mS,
BOmVpp)
This
can be
used
for
testing
brilliance, etc.
(There Is
no
special
test to
be
performed here.)
This is
the last
test
Item.
NOTES
*
1
The A/D
value
is
Indicated
by the
LEDs of
PIANO
1,
PIANO
2,
HONKY
TONK,
HARPSICHORD,
VIBRAPHONE,
and
E.PIANO
as
follows.
12)
+l-'(y}&
90
999 90
OUTPUT
LRU'OUTPUT
(1
77
7
t^if^l.2mS.
2.6Vpp)
TADriHlSS®TX
DEMO^-ffTi.
'^(Df-7
bMSi^M^tto
13)
mm
99
099
90
OUTPUT
LSU'OUTPUT
Rlz7iBil&A<\ii7j^tLtto
(It
Y
7
1.2mS.
SOmVpp)
7')
U
T>X©-rX
h.
^<D{t(^^^Xttto
rX
•f
X
\-mS(iZ.tiX(ll^t><OXto
>±
*
1
A/D®M(i.
PIANO
1.
PIANO
2.
HONKY
TONK.
HARPSICHORD.
VIBRAPHONE.
E.PIANO®#
LED
7
bit A/D
LED
PIANO 1
PIANO 2
HONKY
TONK
HARPSI-
CHORD
VIBRA-
PHONE
E.PIAN0
0
O
•
•
•
•
•
1
-
14
O
O
•
•
• •
15
-
28 • o
•
• #
•
29
-
42 • o
O
• •
•
43
-
56
•
• o
•
• #
57
-
70 •
•
o
o
•
•
71
-
84 •
•
• O
•
•
85
-
98
•
•
•
o
O
•
99
-
112
•
•
•
•
o
•
113
-
126
•
•
• • o
O
127 •
•
•
• • o
*
2
The A/D
value is
indicated by
the LEDs
of PIANO
1,
PIANO
2,
HONKY
TONK.
HARPSICHORD.
VIBRAPHONE,
and
E.PIANO
as
follows.
*
2
A/D®1i(i.
PIANO
1.
PIANO
2.
HONKY
TONK.
HARPSICHORD.
VIBRAPHONE.
E.PIANO®#
LED
8
bit A/D
LED
PIANO
1
PIANO 2
HONKY
TONK
HARPSI-
CHORD
VIBRA-
PHONE
E.PIAN0
0
-
157
O
•
•
• •
•
158 O
o
•
•
•
•
159 •
o
•
•
•
•
160 • o
O
• •
•
161
•
•
o
• •
•
162 •
•
o
O •
•
163 •
•
•
o
•
•
164 •
•
•
o
O
•
165 •
•
•
•
o
•
166 •
•
•
# o
O
167-255
•
•
•
•
•
0
29