Yamaha DSP-A5 Service Manual

A
1
2
3
4
5
6
7
8
DSP-A5
B
C D
E F
G H I J K
E-52/J-50
■ SCHEMATIC DIAGRAM [MAIN (1/2)]
REAR
L
REAR
L
MAIN L
CENTER
MAIN L
CENTER
MAIN
L
44.5
43.9
44.4
20.6
1.0
44.4
–0.7
30.7
30.7
30.7
0
20.4
0
0
0
0
0
–0.7
43.3
44.4
–0.7
–0.1
–0.1
44.0
43.3
1.0
44.4
0
–0.6
43.3
0
–0.6
–0.1
–0.7
43.3
43.3
43.3
1.0
44.1
43.3
0
44.0
43.2
1.0
44.4
–0.1
–0.7
43.2
–0.1
–0.7
44.0
43.8
1.0
44.4
–0.1
–0.7
43.8
–0.1
–0.7
–12.0
0
–1.1
–1.1
–0.5
45.2
0.5
0.5
45.2
45.2
0
0
0
1.0
1.0
–45.2
–0.5
–1.1
0
–45.2
–0.5
–33.5–24.0
–32.7
0
0
–1.1
–0.4
45.2
0.5
0.5
45.2
45.2
0
0
0
1.0
1.0
–45.2
–44.0
–0.5
–1.1–1.1
–45.2
–0.5
0
0
0
–32.2 –33.9
–45.3
–45.3
–44.3
–44.9
–45.1
0
0
0
0
–44.9
–44.1
–44.3
–44.7
–1.0
–0.4
45.2
0.5
0.5
45.2
45.2
0
0
0
1.0
1.0
–45.2
–44.1
–0.5
–1.0
–1.0
–45.2
–0.5
0
0
0
–1.1
–0.5
45.2
0.5
0.5
45.2
45.2
0
1.0
0
0
1.0
–45.2
–44.1
–0.5
–1.1
–1.1
–45.2
–0.5
0
0
0
–1.0
–0.4
45.2
0.5
0.5
45.2
45.2
45.2
45.2
0
1.0
0
0
1.0
–45.2
–44.2
–0.5
–1.0
–1.0
–45.2
–0.5
0
0
0
0
0
0.5
0
0.5
0.5
0
0.7
0
–28.1
0.1
0.8
0
–28.8
0
0.5
0
0.5
0
0.5
0
–28.8
–28.8
0.1
12.0
24.1
0.1
24.1
24.1
12.1
0.1
0.1
LIMITTER
MAIN POWER AMP
SPEAKER
RELAY
DRIVE
REAR POWER AMP
CENTER POWER AMP
MAIN POWER AMP
REAR POWER AMP
CENTER POWER AMP
LIMITTER
TO INPUT(1) #110 page E-48/J-46
K-3
FROM POWER(3) CB721 page E-53/J-51
A-7
FROM OPE(1) W553 page E-50/J-48
H-3
FROM MAIN(3) #16 page E-53/J-51
F-3
W509 W553
FROM MAIN(3) W504 page E-53/J-51
D-3
FROM MAIN(3) W507,508
page E-51/J-49
D-3
REAR
(SURROUND)
R
CENTER
SPEAKERS
REAR
(SURROUND)
CENTER
R
L
L
SPEAKERS
OUTPUT
SPEAKERS
OUTPUT
MAIN
L
R
SPEAKERS
MAIN
A
B
R
R
L
L
BL
BL
RE
BE
: NOT USED
#16
SPEAKERS
PHONES
BA
★ All voltages are measured with a 10M Ω /V DC electric volt meter.
★ Components having special characteristics are marked and
must be replaced with parts having specifications equal to those
originally installed.
★ Schematic diagram is subject to change without notice.
Conditions (DSP-A5)
• INPUT → CD
• VOLUME → minimum(–∞)
• IMPEDANCE
SELECTOR → Left
• PRO LOGIC → On
PIN CONNECTION
DIAGRAM OF DIODES,
TRANSISTORS AND IC’s.
2SD1915F(S,T)
1SS133
1SS176
HSS104
1SS270A
MTZJ4.7C
MTZJ8.2A
Anode
Cathode
MTZJ10C
MTZJ12C
MTZJ15A
MTZJ16A
MTZJ30.0A
E
C
B
2SA1015(Y)
2SB949(O,Y)
2SC893A(D,E)
2SC1815(Y)
2SC1890A(D,E)
E
C
B
2SA1708(S,T)
2SA1770(S,T)
2SC4488(S,T)
2SC4614(S,T)
E
C
B
2SB1565(E,F)
2SD2396(J,K)
2SA1695(O,P,Y)
2SC4468(O,P,Y)
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
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Yamaha DSP-A5 Specifications

General

Brand	Yamaha
Model	DSP-A5
Category	Amplifier
Language	English