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A
B
AV-S70 PRINTED CIRCUIT BOARD
1
AMP ( B ) P. C. B.
(Component side)
GNDB
–15V
+15V
TruBass
2
3
R-OUT-GND
–V
POWER–GND
+V
L–OUT–GND
4
FROM : AMP (C)
5
Semiconductor Location
Ref. No.
Location
Ref. No.
Location
Ref. No.
D501
B3
IC501
B2
Q501
IC502
B3
Q502
IC503
A2
Q503
Q504
Q505
Q506
6
C
AMP ( B ) P. C. B.
(Foil side)
Location
A4
B4
B4
B4
B3
B2
D
E
AMP ( C ) P. C. B.
(Component side)
SW
SYSTEM
OUTPUT
CONECTOR
RE
+15V
–15-V
RE
Semiconductor Location
Ref. No.
Location
Ref. No.
Location
D602
E4
IC601
G3
D603
E3
IC602
G3
IC603
G4
IC604
G4
IC605
G3
28
F
G
AMP ( C ) P. C. B.
MUTE
+15V
–15V
SP–RY
SW–PRT
PRE–OUT
TruBass
AMP–PRT
B–BST
NIGHT
L
RL
R
G
RR
SW
G
Ref. No.
Location
Q601
F3
Q602
F3
Q603
E2
Q604
F3
Q606
E4
Q607
E4
H
AV-S70/NX-SW70
(Foil side)
29
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