Yamaha NS-BP300 Service Manual page 56

A B
R-840/NS-BP300
1
MAIN (2) P.C.B.
(Side A)
A, B models
IC402
4 1
2
3
A, B models
+3.3DAB
DAB_GND
4
SGND
FUNCTION (1)
POWER TRANSFORMER
(CB106)
A, B models
5
• Semiconductor Location
Ref no. Location
D401 C2
D402 D2
D403 D3
6
D404 B3
D803 J6
D804 I5
D805 I5
D807 E6
D817 I5
D818 I6
IC402 B2
Q401 C2
Q402 D2
Q403 C2
7
Q404 D2
56
C D
POWER TRANSFORMER
F1
F2
CB402 CB401
A, B models
MAIN (1)
(W501)
PURE DIRECT
indicator
W805
SW805
PURE
To chassis
DIRECT
E F G
MAIN (3) P.C.B.
(Side A)
FUNCTION (1)
(CB101)
CB801
SW803 SW804
PRESET
H I J
B, G models
TP
indicator
INPUT
SW801
TIMER
indicator
W804
POWER
indicator
To chassis
SW802
PHONES
HL_R
HP_GND
HP_L
MAIN (5)
(CB52)