Roland TD-7 Service Notes

TD-7
Nov. 1992
HOW
TO
LOAD
THE
FACTORY
PRESET
DATA
After
the mainframe
has been repaired, always load the factory
preset data
onto the RAM. If you carry
out this operation, all
data
written in
the RAM
will
be
erased
and
replaced by the factory preset
data.
This
operation is
exactly the same as that for “8>INITIALIZE”
described in
“TEST MODE”.
1 . On
the
patch
play screen in the
normal mode,
press the
[SYSTEM]
key.
2.
Use
the
[<]
or
[>]
key to
move the cursor to “INI”, then press the
[ENTER]
key. The
following message
appears
on the LCD
display.
~J
7 ^
hU
—
•yU'fe*:/
h*
7^—
^CDO-
RAMCDrt^^7
T'y-fe'y
h
dCD^fpti TxX
ht-
KJ
rtO[8>INITlALIZE]
t±<
Irto
[SYSTEM]
L
tto
2.
[<].
[>]+--e;y-7;U^INI
ICML
[ENTER]
-To
LCD-fV
INITIRLIZE Hi Hat.
Hi Hat I NIT?
=
=+=
+
IDENTIFYING THE VERSION
/<-
a
NUMBER
The
ROM version
number can be identified on the menu screen
in
the
test mode. It
can also be identified by the following method.
1.
While
simultaneously pressing the [SYSTEM] and [EDIT]
keys,
turn
the power on. The
version number is
displayed on the LCD
display as follows.
The
displayed ROM
version number
is
for the
EP
-
ROM (IC1 on
the main
board).
ROM
3 r-rx
h€—
KJ
0cfo
-e
1.
[SYSTEM],
[EDIT]
4—
LCDf?
xyUTl::TIB©<t
^
ROM
07'\—
'7
3
> {i^
EP
—
ROM(ICl
on Main Board)
O
t
®
r-to
*.***
:
version
number
TD-7 Uer
UoP y R i
'3
h t
R o 1 .-i nd
2. Press any
key to return to the normal mode screen.
2.
3. Use
the
[<]
or
[>]
key to move
the cursor to “HiHat”, then turn the
3.
[<], [>]
^
— —
“HiHat”
iZ^Sf]
L^
DATA-Z)'$^^^lZ
DATA
knob clockwise to set it
to “ALL”.
[el L
T
,
ALL
izL'^'to
INITIRLIZE ALL
TD-7 ALL I NIT
?
4.Press the
[ENTER]
key,
and
the message “Are you sure?”
4.
[ENTER]
4-—
^}l]3'f
<!;>
“Are you sure?”
i
||;t:
$
tl ^
appears.
INITIALIZE
ALL
Are you sure ?
TROUBLESHOOTING
b e
r i
-3
1 er"' ro r
Pre* s s
-3
n y
k & y
5. Press
the
[ENTER] key once again,
the message "Completed”
will
appear and
initialization will be executed. When completed,
the
screen returns to the
display in step 2. Press the [EXIT] key
twice to
return to the patch play
screen.
5.
^3
-5—
Jt
[ENTER]
4-^ff'r<ts
“Completed”
Tr, [EXIT]4-^2@ffLT>
The
MIDI message is not received correctly.
MIDI
7
y
-tr—
?^iE L
<
Misconnections of MIDI cables, or the MIDI
circuit may be at fault.
MIDI
©Slrc©18
D n
X(i
MIDI
^ o
D
U
—
U
ij
L T
-3
b n
or
-3
1
Pr 0 s s
-3
r y
k 0 y
The Analog Chip (IC4) or peripheral circuits may be
at
fault.
ANALOG Cip
(IC4)|^j2[5]gg{I^'^cD^tbtt^)
^ o
If you strik a pad when
the power
is turned on,this error message
X^
K^PP<
tt
X7^DTLC.©x^
—
7
y
may appear on the display. In this case, turn the
power off and then
-fe—
C
t
C
©Ji^(i>
L
0
—
turn it on again.
jgfo
8

Roland TD-7 Specifications

General

Display	LCD
MIDI	In, Out, Thru
Effects	Reverb
Sequencer	Yes
Outputs	Stereo output, headphone output
Presets	50 preset kits
Power Supply	AC Adaptor