Printed Circuit Board - Yamaha DSP-AX620 Service Manual

A B
PRINTED CIRCUIT BOARD (Foil side)
1
2
3
4
8
1 4
5
6
C
DSP P. C. B.
(Lead Type Device)
FROM : INPUT (1)
8
1
16 9
DSP P. C. B.
(Surface Mount Device)
8 5
4 1
8 5
5 8 5 8 5
5 8
1 1 4
4
1 4 1 4
D E
1 20
40 21
81 120
80 121
5 8
41 160
40 1
4 1
1
7 1
8 14
7 1
8 14
7 1
8 14
E-44/J-42
F G
Point q (Pin 1 of IC801)
V : 2V/div, H : 50 nsec/div
DC, 1 : 1 probe
0V
Semiconductor Location
CD
Ref. No. Location
D801 E2
D802 E3
D803 E5
D804 E6
D805 E6
D806 E5
D807 E5
DIGITAL
D–TV/CBL D808 E5
D809 C5
INPUT
D810 C5
D811 C5
D812 C5
DVD
D813 B5
D814 B5
D815 B5
D816 B5
D817 B5
MD/CD–R
D818 B5
D819 B5
D820 B5
D821 D5
D822 D5
D823 C5
D824 C3
D825 C5
DIGITAL
D826 C3
MD/CD–R
D827 C5
OUTPUT
D828 C3
D829 C5
D830 C3
D832 D5
H
DSP-AX620
Ref. No. Location
IC801 D2
IC802 D2
IC803 E2
IC804 E2
IC805 D5
IC806 D5
IC807 E3
IC808 E4
IC811 C5
IC812 D3
IC813 C5
IC814 C5
IC815 C5
IC816 B5
IC817 B5
IC818 C3
Ref. No. Location
Q801 C4
Q802 D5
Q803 C5
Q804 C5
Q805 B5
Q806 B5
Q807 B5
Q808 B5
Q809 D2
Q810 C2
Q811 C5
Q812 C5
Q813 B5
Q814 B5
Q815 B5
Q816 B5
Q817 D4
Q818 C4
E-45/J-43