Schematic Diagram - Yamaha HTR-5450 Service Manual

A B
SCHEMATIC DIAGRAM (INPUT)
1
Point 1 Pin 12 of IC445
2
3
4
MAIN L
INPUT SELECTOR
5
0
0
0 0 0 0 0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0 0 0
6
7
-11.9 -11.7
0 0
0
-11.9 -11.9
0 -11.9 0 0
8
E-56/J-52
G3
9
C D E
PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.
2SC1815
2SC2878
M5220L
1
CENTER
0
0 0
0 0 0
2.1 2.0
-11.7
0 0 0
0 0
0
23.7
0
0 0
0
0 0
0 0
0
0
0 0 0
REAR L
23.7
0
0
0 0
0 0
0
12.0
0 0
0
0
0 0 -24.2
0 0
0
0
0
0
0.1
0.1
0
0.1
0
0 0
0 -24.2
0
0
0 0
-12.0
12.0 0 12.0 0 12.0 0
0 0 0
0 0 0 0 0 0 0 0 0
-12.0
-12.0 -12.0
E-57/J-53
F1
F G
NJM7805FA NJM79M12FA
2SC1740S 2SA1708 1SS133 S1VB20
DTA144ES 2SC4488 1SS176 NJM7812FA
Anode
HZS11B2TD
MTZJ5.6B
–
Cathode
~
B
~ 3: OUT
E C 3: IN
E C B E
+ 1: OUT
C B
2: COM
LA7956 µPC4570HA LC72722 LC78212 LC78211
LC78213
15
9
9 12
8
24
30 30
1 1 1
1 1
E-56/J-52 E-56/J-52
I2
C6
0
0 0 0 0
0 0
-11.9 -11.9 -11.9
-11.9
-11.9 -11.9
0 0 0 0 0 0
0
5.0 5.0
4.8
-11.9
-11.9
5.0
4.8
-11.9
4.7
0 0 0 0
4.7 11.8
11.8
5.7
3.5
0
5.7 2.9 2.1
4.3
2.1
0 2.0
2200P/16
0.01/16
0.01/16
# All voltage are measured with a 10MΩ /V DC electric volt meter.
E-56/J-52
# Components having special characteristics are marked s and must be
A4
replaced with parts having specifications equal to those originally installed.
# Schematic diagram is subject to change without notice.
H I
23.7 32.2
1P82
24.3
24.3
0
-24.8
-24.8
-33.1
-24.2
1P82
1: COM
2: IN
12.0 21.2 12.1 21.1 5.1 10.1
0 0 0
15
0
-12.0 -22.3
5.0
4.8
-11.9
0 0 0
-11.9 -11.9 -11.9
0 0 0
0 0
0
0 0 0
-11.9 -11.9 -11.9
0 0
0
-11.9 -11.9
-11.9
0 0 0
5.0
4.8 4.8
-11.7
R583
470
4.7
1
1.7
0 0
1.8
2.1
x: NOT USED
O: USED / APPLICABLE
J K L
RX-V520/RX-V520RDS/HTR-5450/HTR-5450RDS/DSP-AX520
33.2
-0.1 -0.1
AC
-34.2 50.7
AC
33.8
21.3
-0.1 -0.1
-22.4
5.0
AC
9.8
10.8 0
4.7
11.9
5.3
4.7
4.1 5.3
5.9
0
0
11.9
4.7 5.3
4.1
5.3
5.9
0
0
11.9
C369
6.4 6.4
6.4
10/25
6.9
5.7
7.4
0
0
E-55/J-51