Yamaha DSP-A5 Service Manual

DSP-A5
E-40/J-38 E-41/J-39
BACDEF HG
1
2
3
4
5
6
■ PRINTED CIRCUIT BOARD (Foil side)
P. C. B. DSP P. C. B. DSP
Ref. No. Location
D1 F3
D2 F3
D4 D4
D5 G4
D6 G4
D7 G4
D8 G4
D9 G4
D10 G4
D11 G4
D12 G4
D14 D4
D15 D4
D16 D4
D17 D4
D150 H4
D151 G4
D152 H4
●
Semiconductor Location
Ref. No. Location
IC1 B3
IC2 F3
IC3 B4
IC4 A3
IC5 A3
IC6 C4
IC7 D4
IC8 C3
IC9 C3
IC10 D3
IC11 D3
IC13 C3
IC15 B3
Ref. No. Location
Q1 H4
Q2 H4
Q3 H4
Q4 H2
Q5 H3
Q6 H3
Q7 H3
Q8 G3
Q9 G3
Q10 G3
Q11 G3
Q12 H3
Q13 H3
Q14 D4
130
YSD917
YSS918D-F
51
50 81
31 100
15
80
116
IS61C1024-20J
17 32
28
14
1
9
111
AK4526A-VQ
23
22
33
112
AK4324-VF-E2
13 24
34
39
12
44
5
8
NJM2904M
IN
COM
OUT
uPC29M33T-E1
14
1
4
uPC4570G2
58
1
4
uPC4570G2
5
8
1
4
uPC4570G2
5
8
1
4
uPC4570G2
5
8
1
4
uPC4570G2
58
5 6
–12 /CSD SID DIA DG DSIG SOD DG
+12
CECOD
CEAC1
SCKD
+5D
INTD
CLKAC RXAC CEAC2 /ICAC
TXAC
DBL
/ICD
ERRA
TO: INPUT (1)
#3
#3
#3
E FR LFE RR RIN
E
FL
C
RL
LIN
E
R
L
DBS-C/O
DIB
+5D
DVD-C/O
TO: INPUT (4)
#1
#1
#1
#6
#6
#6
TO: INPUT (1)
71
HD74HC02FPEL
8
14
2V
SAMPLE 50ns
0V
Point 6
Pin 39 of IC6
V : 2V/div H : 50nsec/div
DC range 1 : 1 probe
2V
SAMPLE 50ns
0V
Point 5
Pin 9 of IC3
V : 2V/div H : 50nsec/div
DC range 1 : 1 probe
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
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Yamaha DSP-A5 Specifications

General

Brand	Yamaha
Model	DSP-A5
Category	Amplifier
Language	English