Yamaha DSP-AX2500, Service Manual

Page: 76 / 119

A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-V2500/DSP-AX2500
SCHEMATIC DIAGRAM (MAIN)
76
★
All voltages are measured with a 10M
Ω
/V DC electronic volt meter.
★
Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
1.1
-0.4
1.1
0.6
61.0
61.4
0.5
-0.4
-0.4
0.1
0.1
0.1
0.1
0.1
0.1
61.4
-61.3
-61.3
-1.0
-1.0
-1.0
-43.2
-43.5
-43.8
-44.3
0
0
1.1
-0.4
-0.4
-0.4
-0.4
0.5
-0.9
0.3
0.5
0.5
1.0
1.0
1.0
-0.9
1.1
1.1
1.1
1.1
1.1
1.1
1.1
0.6 0.6
0.6
61.0
61.0
61.0
61.0
61.4
61.4
61.4
61.4
61.3
-0.9
61.3
61.3
-43.2
61.3
61.0
0.1
0.1
-61.3
-61.3
-61.3
-61.3
-0.4
61.0
61.4
61.4
61.4
0.6
-0.4
-0.4
-0.4
-0.4
-0.4
-0.4
-0.4
-0.9
-0.9
-0.9
-43.8
-0.9
-0.9
-0.9
-0.4
-0.4
0.1
0.1
0.1
0.1
0.6
0.6
0.6
0.6
0.4
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
1.0
0.1
0.1
0.1
0.1
0.1
-0.4
0.1
0.1
0.1
61.4
-61.3
-61.3
-61.3
-61.3
-61.3
-61.3
-61.3
-61.3
-1.0
-1.0
-1.0
-1.0 -1.0
-1.0
-1.0
-1.0
1.0
-43.2
-43.0
-43.0
-43.0
-43.5
-43.5
-44.1
-44.1
-44.1
-43.5
-43.5
-43.5
-43.8
-43.8
-43.8
-44.3
-44.3
-43.2
-43.5
-43.5
-43.8
-44.3
0
0
0
0
0
0
0
0
0.9 5.1
0
0.9
5.1
33.8 33.8 33.8 33.7 5.6 9.8
33.9
33.9
33.9
0
0
29.8
5.6
9.7
33.8
2.5
9.8
1.7
0
5.6
0
2.5
2.5
5.6
1.8
1.9
9.7
-33.1
-31.9
-31.2
0
61.3
-61.2
0.1
0
36.2
-35.0
0.1
0.1
0.1
0.1
AC 59.2
AC 90.0
S14
S14
S14
S14
S14
S12
S13
S13
C271 UR26733
33/50
UR26733
33/50
UR26733
33/50
UR26647
4.7/50
UR26647
4.7/50
VR32490
0.1/100
VR32490
0.1/100
VR32490
0.1/100
UA35510
0.1
UA35510
0.1
VR32530
0.47/100
VR32530
0.47/100
VR32530
0.47/100
UA65447
0.047
UA65447
0.047
C301
C302
C257
C258
C261
C262
C263
IC201, 202: LM61CIZ THERMAL
Temperature Sensor
Vout
+Vs
GND
MAIN (3)
MAIN (4)
E_AMP. cir
MAIN (2)
M_AMP. cir
MAIN (5)
MAIN (1)
O : USED / APPLICABLE
X : NOT USED
P
a
ge 77
to PO
WER (1)_W40
D2
P
a
ge 77
to PO
WER (1)_W41
D3
P
a
ge 77
to PO
WER (6)_CB47
G2
P
a
ge 77
to PO
WER (6)_CB48
G3
P
age 77
to PO
WER (1)_CB43
D6
P
age 77
to PO
WER (1) – PRE AMP – CB42
D5
P
age 77
to PO
WER (6)_CB46
G2
P
age 77
to PO
WER (5)_CB21
G7
to PO
WER
TRANSFORMER
E7
P
age 75
to OPERA
TION (5) – C-M_CNCT – CB542