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Yamaha SMM5000 Service Manual page 37

Stereo/mono master module
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Q
P
O
STMAS2 1/8, 3/8, 4/8 CIRCUIT DIAGRAM 003 (SMM5000)
1
2
3
to MAS1 1/3-CN107
to STMAS1 1/3-CN107
4
to MAS1 1/3-CN120
to STMAS1 1/3-CN120
5
6
7
8
9
to MASSUB 1/17
-CN304
to STMASSUB 1/16
-CN304
10
to MASSUB 1/17
-CN305
11
28CC1-8828409-3
1
12
12
N
M
L
K
OP AMP
OP AMP
Inside of a dotted line: GAMAS2 not installed (IC102, R106, R110 Except)
(点線内 : GAMAS2で未実装 (IC102, R106, R110を除く) )
Inside of a dotted line: not installed (GAMAS2, STMAS2)
(点線内 : 未実装 (GAMAS2, STMAS2) )
( セ )
: Ceramic Capacitor (セラミックコンデンサー)
( D )
: Metal Film Resistor (chip) (チップ 金属被膜抵抗 )
J
I
H
G
to MAS1 1/3-CN106
to STMAS1 1/3-CN106
STMAS2 1/8, 3/8, 4/8 CIRCUIT DIAGRAM 003 (SMM5000)
F
E
D
C
MAS2 3/8
to MAS1 1/3
-CN104
Inside of a dotted line: SAMAS2, STMAS2 not installed
(点線内 : SAMAS2, STMAS2で未実装)
MAS2 4/8
to MAS1 1/3
-CN103
Inside of a dotted line: STMAS2 not installed
(点線内 : STMAS2で未実装)
MAS2 is common to SAMAS2, GAMAS2 and STMAS2.
(MAS2はSAMAS2, GAMAS2, STMAS2で共通です。 )
Parts differ as follows.
(以下のよ う に部品が異な り ます。 )
Reference
SAMAS2
GAMAS2
STMAS2
SW101, SW104
not installed
Mounting
not installed
CN107
Mounting
not installed
not installed
R132
Mounting
not installed
not installed
R133, C132
not installed
not installed
Mounting
47K Ω (D)
0 Ω (D)
47K Ω (D)
R106
(CHIP2125)
(CHIP2125)
(CHIP2125)
10K Ω (D)
0 Ω (D)
10K Ω (D)
R110
(CHIP2125)
(CHIP2125)
(CHIP2125)
R105
PH7PTE
PH9PTE
PH7PTE
CN108
SAN9PTE
SAN14PTE
SAN9PTE
Moreover, the signal names in ( ) differ as follows by SAMAS2, GAMAS2, and STMAS2.
(また、 SAMAS2, GAMAS2とSTMAS2で ( ) 内の信号名が、 以下のよ う に異な り ます。 )
Signal name correspondence table
Signal name correspondence table
(信号名対応表)
(信号名対応表)
SAMAS2, GAMAS2
STMAS2
SAMAS2, GAMAS2
PREFDR-AL
PREFDR-STL
OUT-AL
PREFDR-AR
PREFDR-STR
OUT-AR
PREON-AL
PREON-STL
OUTG-A
PREON-AR
PREON-STR
OUT-BL
MTRX-AL
MTRX-STL
OUTG-B
MTRX-AR
MTRX-STR
POSTFDR-BL
POSTFDR-MN/C
PREFDR-BL
PREFDR-MN/C
MTRX-BL
MTRX-MN/C
COM-AL
COM-STL
COM-AR
COMSTR
B
A
SMM5000
(Sign※)
STMAS2
OUT-STL
OUT-STR
OUTG-ST
OUT-MN/C
OUTG-MN/C

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