Roland HP 2700 Service Notes page 17

Dec. 1990
HP-3700/2700
rNOTE
1.
PHONES BOARD
CIRCUIT
DIAGRAM
is
stated
on
page
12.
2.
Replacement
AMP/
PS
BOARD
is
220V /240V
version
only.
220V/ 240V
version differs
from 100V/ 117V
version
only
in
fuse system.
Order proper fuses and fuse
labels
also
If
necessary for
100V/ 117V. (Refer to the table
in
circuit diagram.)
1.
PHONES 4^-
2.
MI*fflAMP/PS4<-
tto
220V/240Vi±mt 100V/U7V{i:mt(Dm\^Ht. t .a-XMch
to.- XBAt
-
^
tz
i
j-Tf
o
lOOV/
1
17V
ffl
O
t
.a
It.
HP-3700
AMP
/PS
BOARD
CIRCUIT
DIAGRAM
SMALL BOARD
CIRCUIT
DIAGRAM
AMP/PS/1-V-
KlUSSil
SMALL
7|t-
SAFETY
PRECAUTIONS:
The parts marked
A
have
safe-
ty-related characteristics.
Use only
listed
parts
for re-
placement.
SS±®)i]g
:
43S!l>a:3®tgT-0< e.tXtzt,(DV
To
amomt.
}§$$nt8B(Ss
^ W
$1-
CD 8B
a
IS
«
I. ' ct:
o
C
UTTSt^o
HP-2700/ HP-3700
DIN
BOARD
CIRCUIT
DIAGRAM
DIN
/-It
-
KSSSII
Lch Wo
241-427
Lch Tw front
241-674
Lch Tw bottom
241-574
Rch Tw bottom
241-574
Rch Tw front
241-674
RESET
s
A.+5V
D.+5V
_A D.+5V
D.GND
D.6ND
_7 O.GND
>
(VI
+ <
_a A.GND
A.GND
1
A.
-12V
52417-1 110
FUSE VALUE
FI.
F2
F3.
F4 F5
FB
100V
1
17V
FUSE
TSC 6.3A TSC 630mA
TSC 1.25A TSC B.3A
LABEL 6.3A/125V 630mA/125V
1
.25A/125V B.3A/125V
220V
240V
FUSE CEE 6.3A CEE 400mA
CEE 1.25A CEE 4A
LABEL T6
.
3A/250V T400mA/250V T1 .25A/250V T4A/250V
17