Roland TD-7 Service Notes

Nov.
1992
TD-7
CIRCUIT DIAGRAM (MAIN)
Products
of
SNO.ZE20100
to
ZE33749
do
not
include
L29
(BLM41
A04
Chip
Beads).
SNO.ZE20100-ZE33749
L29(BLM41
A04
Chip
Beads)
{io
#
t
A+5o
4+6
2jZ*
C108
100/16
26
OSOOIO
—
H
1C24
AN7BH06
C117
0.
1
029
0SK10C
—
w-
;cii
2
0.1
2^»cioa
^
470/25
2(Z*
C104
100/16
cm
0.1
11
OUT
fJ
IN
t-6
TK5
AN791.06
H-
026
OSOOIO
C120
0.
1
R110
1H 100
22z*C109
470/25
30
0SK1OC
HEC0740-01-010
FL1
OATA LINE
FILTER
ES0-R-19DB
k+5o
>+6
-<±121
.+5
-
<+5V0
-
<Tsy~
-
<DGNO
/ho
<AAGND
msi
-
<a6nP
POWER.
MUTING
CIRCUIT
OlAGRAM
+6V ANALOG
j|l+5d
+5V DIGITAL
+5V ANALOG
i-B
-6V ANALOG
/ho
DIGITAL GND
/ha.
Only DAC
and
CPU.AVSS
/h^
ANALOG
GND
BACKUP
13

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