Roland HP 2700 Service Notes page 35
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Also See for HP 2700:
- Owner's manual (35 pages) ,
- Service notes (37 pages) ,
- Owner's manual (34 pages)
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Dec.
1990
iK
MAIN
BOARD
CHANGE/
MAIN
/-n-
(1)
The MAIN
board has been modified
as
(1)
MAIN
Tff— K(Ss
TIB®
J:
follows.
ASSY
No.
PCB
No.
HP- 2700
HP- 3700
ASSY
PCB
ZB30100
ZB30100
7624291000
2292586900
-
ZB40999
-
ZB40799
ASSY
PCB
ZB51000
--
ZB50800
~
7624291001
2292586901
Enhanced EMI countermeasures
1.
Unnecessary
jumper
wires
were
removed.
(6
wires)
1.
(6*>
2.
PCB^^M
2.
The
PCB was
modified.
2292586900
^
2292586901
2292586900
^
2292586901
3.
ffitaTl/- (RAlO.l
1,12,15,16)
3.
The
resistor
array
(RA10,
1 1
.
12, 15.
16)
was
Resistor
Array
10k
X
4
removed.
MNR34J5A103E
(15399917)
4.
RC
modules
(RCA
1,2,3)
were
added.
(RCA
1,3)
RC
Module
ARCL7X103J470M
(13529212)
(RCA
2)
RC
Module
ARCL9X103J470M
(13529209)
NOTE:
The
old
assembly
and
new
assembly
are
compatible.
4.
RCti^i-;!/ (RCA
1,2,3)
(RCA
1,3)
RC
Module
ARCL7X103J470M
(13529212)
(RCA
2)
RC
Module
ARCL9X103J470M
(13529209)
a
:
IBASSYiSfASSY<!:(iagltt*''W')t-ro
(2)
After-mounted
parts
on
the
main board
I
Part
I
Ceramic
Capacitor
470
pF
)lies
to
serial
numbers
(2)
MAIN/if-
'uK.
i
y
•
y
470pF
[
1^2700
ZB30100
ZB73058
ZB30100
ZB30100
ZB73058
ZB72549
ZB30100
ZB72549
uuiil!
iiiiir.
HP-3700/2700
View from component
side.
35
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