Yamaha MR1642 Service Manual - Page 8
Mcircuit, Board, Layout, Mr842, Le>1
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MCIRCUIT BOARD LAYOUT (.a_ •i h 1, 4 7 ,7 h ) MR842 • Front Panel (7 a ;/ ,1 01 0 1 1..3;-., reoA- (r9) @ @ 4.,5) @ 0 • •-:/ 7' 7 ,r g< MR-Jl MR-J MR-J2 • The circuit boards listed below are essentially the same each other except the connector assemblies located on it. Ht, ©A circuit board - Al circuit board ®Cl circuit board - C2 circuit board ®P circuit board - P1 circuit board ®J circuit board - J1 circuit board - J2 circut board MR842 MR1242 MR1642 P circuit board Ch, 1 -Ch. 8 Ch, 1-Ch. 12 Ch, 1-Ch. 12 P1 circuit board X X Ch.13-Ch.16 10 R842/MR1242/MR1642
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MR842/MR1242/MR1642
MCIRCUIT
BOARD
LAYOUT
(.a_
•i
h
1
,
4
7
,
7
h
)
MR842
•
Front
Panel
(7
a
;/
,<*
JP)
MR
-I
1 i
N0f
1
I-1
0
AV
MR
-N
Power
Transformer
MR
-B
0
J
.
f
=
0
I
-..'
tz)
r
i
I
MR
-A
a
1
MR
Al
MR
-CI
MR
-D
MR
-F
MR
-C2
MR
-E
MR
-G
•
Rear
Panel
(
7/q•J)
MR
-O
MR
-M
MR
-K
MR
-0.
MR
-L
MR
-P
e
-
t
"
4
,
1,'
2
'
)
(6,
(6)
is
(6
°
C
.
)
en,
0
'
0
i
le>1
01
0
1 1..3;.
-,
reo
-
A
•
(r9)
@
@
4.,5)
@
0
•
•-:/
'
7
7
,r
g
<
MR-Jl
MR
-J
MR
-J2
•
The
circuit
boards
listed
below
are
essentially
the
same
each
other
except
the
connector
assemblies
located
on
it.
Ht,
©A
circuit
board
—
Al
circuit
board
®Cl
circuit
board
—
C2
circuit
board
®P
circuit
board
—
P1
circuit
board
®J
circuit
board
—
J1
circuit
board
—
J2
circut
board
P
circuit
board
P1
circuit
board
MR842
Ch,
1
-Ch.
8
X
MR1242
Ch,
1
-Ch.
12
X
MR1642
Ch,
1
-Ch.
12
Ch.13-Ch.16
10
R842/MR1242/MR1642