Yamaha WXA-50 Service Manual page 40

A B
WXA-50/WXC-50
1
MAIN (2)
(Side A)
TRIGGER
2
IN
AC IN
JK603
3
CB601 CB602
MAIN (1)
4
(CB501)
MAIN (3)
(Side A)
5
VOLUME
CB701
6
7
40
C D
WIRELESS
REMOTE
NETWORK
OFF
OUT
1 5
JK602
3 4
IC605
IC602
CB603
MAIN (1)
(W2)
CONNECT
NET
indicator indicator
STATUS
indicator
MAIN (1)
(CB1)
E F
WXA-50
Note:
Precaution for handling measuring instrument
Since the speaker output of this unit is BTL connected, the ground side
of the measuring instrument to be connected to the speaker terminal
MUST be kept in floating condition.
注意：
計測機器取り扱い上の注意
本機のスピーカー出力は BTL 接続となっていますので、スピーカー端子
に接続する計測器のアース側はフローティング状態に保つ必要がありま
す。
IN
JK601
(Input) (Power)
Remote control
sensor
G H
MAIN (5)
(Side A)
SPEAKERS
L
+ –
FAN+
DGND
FAN_LOCK
DC FAN
MAIN (1)
Amplifier and power module
MAIN (6)
(Side A)
• Semiconductor Location
Ref no. Location Ref no. Location Ref no. Location
D601 D3 D704 C6 IC603 D3
D602 E3 D705 B5 IC604 C3
D603 C3 D706 B5 IC605 E3
D901 I4 Q601 D3
D605 C4
D606 C3 D902 I3 Q701 C5
D608 C3 D903 I3 Q702 C6
D701 D6 IC601 D3 Q703 C6
D703 C6 IC602 C3 Q705 C6
I J
R
+ –
W901
W902
(CB2)
(P101)
Ref no. Location
Q706 C5
Q901 I4
Q902 H4
Q903 H4
Q904 H4