Yamaha HTR-5450 Service Manual page 47

A B
SCHEMATIC DIAGRAM (DSP)
1
2
4.5
1.3
1.2
DIGITAL OUT INHIBIT 1.2
1.3
4.5
3
2.4
4.5
0 2.4
0
14 2.4
4.5 4.5 3.4
12
0 0
4.5
13
7
0
3.1
1.7
1.1
4.5
4.5
0
3.8
4
4.5
0
3.8
4.5
DUTY
0
CORRECTOR
3.8
4.5
4.5
14
9 3.2
8 3 8
1 4.5 4.5
5 10 0
2 7
3.2
4 2.3
0
0
0
5
7 0
0 6
0
DIGITAL IN
4.5
14
6
5 6 9 8 0 0
0
2.4 2.9 2.9 0.3
0
7
0
7
8
9
C D E
REGULATOR
2.5 4.5
3.4 4.5
0 2.5 4.4 4.5
3.4 4.5
3.4
2.5 0
0 0
0
1.4
1.4
1.4
1.3
0
0
2.5
1.4
0.3
1.4
0
1.3
0 1.3
DSP/DOLBY/DTS
2.1
2.1
~
~
~
~ ~
~ ~
~ ~
0
~
0
0
3.4
0
~
1
3 0.2 0.2
2
0.1
0.1
4.8
4.8
0
4
0 6 0
5 3.8
0
3.8
3.8
1
3.3
4.5 0
2.5
0
0
3 4 1 2
4.5
0 0
# All voltage are measured with a 10MΩ /V DC electric 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.
F G
From INPUT (1) E-00/J-00
D8
MAIN L
1.2
1.2
1.3
2.5
0
0
0
3.4
0
3.4
3.4
0
0
0
0
3.4
0.7
~
0
0
1.7
1.7
1.7
1.7
0
0
0
2.5
0
1.0
3.4
Point 1 Pin 1 of IC801
H I
RX-V520/RX-V520RDS/HTR-5450/HTR-5450RDS/DSP-AX520
PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.
2SC3326 1SS355 µPC29M33T-E1 PQ025EZ5MZP M5220FP
NJM2904M
DTA144EK RB501V-40
Anode
C
E
B 8 4
3: IN
1
2: COM 1
Cathode
1: OUT 5
3.4 0 4.5
4.5
5.0 -20.2
D/A CONVERTER
5.0 5.0
2.5 2.5
5.0
5.0
CENTER
0
2.5 2.5
0 2.5
0 2.5
2.5
1.7
1.7 2.5
0.7
2.5 2.5 2.5
2.5
~
0 2.5
0
0
~ 2.5
2.5 2.5
0 2.5
2.5
0
0 0
MAIN L
REAR L
CODEC
0 -20.2
0
-20.2
0 -20.2
-20.2
0
J K L
TC74HC00AF MSM514260C-60JS AK4527VQ
TC74HCU04AF
33 23
TC74VHCT08AF
34 22
20
7
44 12
14
1 11
1
40
1
0
0
-20.2
0
-20.2 0
21.3
8 6 21.3
7 2.5 8 2
2.5 5 1
2.5
2.5 3
2.5
2.5
5
3 7 2.5
1 2.5 6
2.5
4
2.5 2 2.5
4 -22.3
2.5
-22.3
21.3
0.1
3
8
1
2
0.7
0.1
6
0.1 7
5 1.2
0.1 4
-22.3
21.3
0.1
5
8
7
6
0.1
0 0 0.1
0 -20.2 0
0 0
0
-20.2
0
2
0.1 1
3 0.1
0.1 4
-22.3
21.3
3
8
1
0.1
2
0.7
0.1
6
7
0.1
5 0.1
4
0.1
-22.3
E-57/J-53