Yamaha NX-E440 - PRINTED CIRCUIT BOARD LAYOUTS

NS-P440/NS-P446
9
A
1
2
3
4
5
6
7
BCDEFGH I J
VOLUME
INPUT
MAIN (3) P.C.B. (Side A)
Circuit No. U, C, R, A, L K, B, G
C79 X O
DRIVER
AC IN
MAIN (1) P.C.B.
POWER
ON/OFF
MAIN (5) P.C.B.
BE
BE
BE
WH
YE
YE
RE
RE
BR
BR
U, C, K, A, B, G models
R, L models
MAIN (7) P.C.B.
MAIN (10) P.C.B.
(Side A)
MAIN (9) P.C.B.
(Side A)
MAIN (2) P.C.B.
WH BE
BE
WH
BE
WH
BE
WH
U, C, K, A, B, G models
R, L models
R, L models
VOLTAGE
SELECTOR
RE
RE
RE
RE
BL
RE
RE
BL
BL
WH
SP-
SP+
RE
Ref. no. Location
D1 J2
D2 H4
D3 I4
D4 H2
D5 H2
D6 G2
D7 F2
D8 B3
D22 G2
D23 G2
• Semiconductor Location
Ref. no. Location
D24 J3
D25 F3
D28 I3
D29 I3
IC1 H1
IC4 B3
IC5 B2
IC6 G3
Q1 F3
Q2 F3
Ref. no. Location
Q5 G3
Q6 G3
Q9 H4
Q10 H4
Q17 F3
Q18 F3
Q19 F3
Q20 F3
1
9
11
9
19
10
-V
-15
+15
E
MAIN
-V
-15
+15
E
MAIN
POWER
INDICATOR
(Side A)
(Side A)
(Side A)
(Side A)
■ PRINTED CIRCUIT BOARD Lead Free Solder Used