Yamaha RX-V2500 Service Manual page 77

A B C
SCHEMATIC DIAGRAM (POWER)
1
43.8
43.2
0.1
43.2 43.2
2
0 0
-0.6 0
-0.6
43.9
43.3
0.1
44.1
43.3
3
0 0
-0.6
-0.6 0
43.9
43.9
1.1
0
44.1
43.3
4 0.1
0 0
-0.5 0.5
43.9
43.3
1.0 0
43.3 44.1
0.1
0
5
0
0.5 0.5
43.9
43.3
1.0
0
43.3 44.1
0 0 0.1
6 -0.6
-0.6 0
-0.6
7
POWER (2)
AC 30.7
19.9
-0.1
AC 18.9
-0.1
19.9
8
AC 6.5
10.9
-0.1
-0.1
-12.2
9
10
D E F
POWER (6)
44.0
43.4
1.1
44.2
43.5
0
0
-0.5 -0.5 0
0.1
0.4
0
44.0
43.4
1.1
0
44.2
43.5
0 0 0.1
-0.5
-0.5
44.2
60.9 60.9
60.3
60.9
0.6 44.7
59.8
44.7 60.9
3.1 3.1
0
2.5 2.5 3.1
0
-0.5
0
-0.5
3.1
-44.9
-44.9 0
-59.7
-61.3
-60.3
-61.3
-44.4 -61.3
61.4
61.2
0
POWER (1)
POWER (3)
18.7 11.8
18.8 5.1
0
0
0
-19.8 11.8
7.9 2.5
18.9
3.0
3.0
S54
0
10.4 5.0
4.9
S54
0
10.2
S54
0 S54
10.3
0 10.7
10.7
4.9
-11.3
10.7 10.7 10.5
-11.3
0
-11.3
-11.3 -5.0
S54 -12.2
G H I
U, C, A, B, G models only
POWER (7)
C41 V941510 UR23710
C45 10/16 10/16
C42
C43 UU26647 UR23710
C44 4.7/50 10/16
VOLTAGE SELECTOR
C162 UR26710 UR23710
10/50 10/16
R, L models only C179 UR26710 UR24710
C167 10/50 10/25
C166
POWER (4)
C95 WE10090 UA65222
220P/630 220P
C170 UR26610 UR26510
C163 1/50 0.1/50
C171
C180 UU26610 UR26510
1/50 0.1/50
R194 V807000 VP93950
R195 1P1.0 1P1
R211
R191
R189
VOLTAGE SELECTOR
R L
230-240V 1-2/5-6 O : USED / APPLICABLE
X : NOT USED
220V 2-3/6-7
110V 3-4/7-8 -
120V 4-5/8-1 -
to POWER TRANSFOMER
to POWER CABLE to POWER TRANSFOMER
35.7
35.7 0
35.7
0
35.7
0
34.9
0
0
~ ~
5.4
~
~
~
~
~
5.6 ~
~
~ ~
3.5
0.2
5.8 ~
0.2 ~ ~ ~
0 5.6
-0.3 ~ ~
0
0
~ ~
1.1
~ ~
~
0
0
0 ~ 0
9.3
9.3
0.9
0.6
0.1 0.9
~
0.9
0.1
0.6
0 ~
0
0
POWER (5)
J K L
IC3: TC4013BP FF
Dual D-type Flip Flop
RESET1 4
6
SET1
DATA1 5
CK
CK
CLOCK1 3
RESET2 10
SET2 8
9
DATA2
CK
CK
CLOCK2 11
VSS 7
VDD 14
IC121, 127: NJM7805FA
5V Voltage Regulator
IC123: NJM7812FA
Voltage Regulator
UR23710 UR23710 UR23710 UR23710 V941510 V941510 UR23710
10/16 10/16 10/16 10/16 10/16 10/16 10/16
UR23710 UR23710 UR23710 UR23710 UU26647 UU26647 UR23710
10/16 10/16 10/16 10/16 4.7/50 4.7/50 10/16
UR23710 UR23710 UR23710 UR23710 UR26710 UR26710 UR23710
10/16 10/16 10/16 10/16 10/50 10/50 10/16
UR24710 UR24710 UR24710 UR24710 UR26710 UR26710 UR24710
10/25 10/25 10/25 10/25 10/50 10/50 10/25
UA65222 UA65222 UA65222 UA65222 WE10090 WE10090 UA65222
220P 220P 220P 220P 220P/630 220P/630 220P
UR26510 UR26510 UR26510 UR26510 UR26610 UR26610 UR26510
0.1/50 0.1/50 0.1/50 0.1/50 1/50 1/50 0.1/50
UR26510 UR26510 UR26510 UR26510 UU26610 UU26610 UR26510
0.1/50 0.1/50 0.1/50 0.1/50 1/50 1/50 0.1/50
VP93950 VP93950 VP93950 VP93950 VB07000 VB07000 VP93950
IC124: NJM79M12FA
1P1 1P1 1P1 1P1 1P1.0 1P1.0 1P1
Voltage Regulator
IC126: NJM79M05FA
Voltage Regulator
AC 9.3
IC128: PQ05RD21
+5V 2.0A Regulator
0
~
Vin 1
9.3
3
GND
IC129: PQ03RD23
Regulator
Vin
1
3
GND
IC130: PQ09FR11
Regulator
Vin 1
3
GND
★ All voltages are measured with a 10MΩ/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.
M N
RX-V2500/DSP-AX2500
1 Q1
2
Q1
CK
CK
CK
CK
13 Q2
12 Q2
CK
CK
CK
CK
INPUT
OUTPUT
COMMON
INPUT
OUTPUT
COMMON
COMMON
OUTPUT
INPUT
COMMON
OUTPUT
INPUT
2 Vo
4 Vc
Vo
2
4 Vc
2 Vo
4 Vc
77