
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
AV-S77
SYSTEM CONNECTOR B
(WHITE 13P)
SYSTEM CONNECTOR A
(BLACK 8P)
PHONES
SPEAKERS
AMP (C) P. C. B.
(Lead Type Device)
AMP (D) P. C. B.
(Lead Type Device)
AMP (E) P. C. B.
(Lead Type Device)
AMP (F) P. C. B.
(Lead Type Device)
From
POWER (A)
CN1
-B1
AMPG
+B1
-12V
GND
+12V
From
AMP (E)
CA6
From
AMP (F)
CA5
From AMP (E)
CA6
From POWER (A)
CN2
SP-SW
-
+B2
VPR
T
-12V
GND
+12V
AMPG
-B2
To
AMP (F)
CA4
To
AMP (E)
CA6
To
AMP (D)
CN5
From AMP (D)
CN4
From POWER (A)
CN11
From POWER (A)
CN3
From POWER (B)
CN10
To AMP (D)
CN6
To AMP (C)
CN7
To AMP (D)
CN8
39
38
■
NX-SW77 PRINTED CIRCUIT BOARD (Foil side)
Ref. No.
Location
D6
E3
D7
E3
D8
D3
D9
E3
D10
E3
D11
E3
D16
H3
D19
E3
D20
E3
D21
G3
D22
D2
D23
D2
IC1
H4
IC2
D4
IC3
E4
IC4
D3
IC8
H2
IC9
H2
IC10
G4
IC11
G2
IC12
G2
IC13
D2
• Semiconductor Location
Ref. No.
Location
Q1
H3
Q2
G4
Q3
G4
Q4
G3
Q5
G4
Q6
G3
Q7
H4
Q8
H4
Q9
H3
Q10
H3
Q11
E4
Q12
E3
Q13
E3
Q14
E3
Q15
E3
Q16
C4
Q17
C4
Q18
D3
Q19
D3
Q21
G5
Q22
G5
Q23
D2
• Semiconductor Location