Yamaha YSP-4300 Service Manual page 116

A B
YSP-CU4300/YSP-CU3300/NS-WSW160
1
DAMP
(Side A)
2
POWER (1)
(YSP-CU4300)
CB913
3
INPUT (4)
(CB65)
AW_MOSI
DGND
AW_MISO
AW_FS_N_O
AW_FS_I
AW_TX_EN
AW_RX_EN
DGND
10
11
MCLK
DGND
4
BCLK
20
1
DGND
LRCLK
SDTO
DGND
SDTI
DGND
IR_FLASHER
DGND
REMOTE
5
INPUT (3)
(CB73)
CB911
6
+ –
TWEETER x 3
7
116
C D
(W3)
YSP-CU3300
YSP-CU4300
YSP-CU4300
4
5
8
1
50 26 26
25
50
51
51
75 1 75
76 100 76 100
CB912
CB907
– + + –
TWEETER x 3 TWEETER x 4 TWEETER x 4
E F
YSP-CU4300 YSP-CU3300
–
WF_R-
L
+
WF_R+
DRIVER
WOOFER
–
WF_R-
R
+
WF_R+
CB910
3 1
4 5
25
1
CB909
– +
DRIVERS
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.
G H I
• Semiconductor Location
Ref no. Location
D1601
D1602
POWRE (1)
D1603
(W1)
D1604
D1605
D1606
D1607
IC901
23 22
38
20
48
1
IC916
20
IC903
1 19
1
11 10
20
1
5 4
5 4
3
1 1 3
IC917IC907
50 26
25
51
3 1 20
IC901
IC902
4 6
75 1
76 100
1
CB904
CB905
+ – – +
TWEETER x 4 TWEETER x 4
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。
J
Ref no. Location Ref no. Location
IC902 I5 IC913 E4
I5
F5 IC903 I3 IC915 G4
F5 IC905 H5 IC916 H3
F5 IC906 D3 IC917 H4
F5 IC907 H4 IC923 G3
C3 IC909 D5 Q1602 F5
C3 IC911 C5 Q1603 F5
I5 IC912 B4 Q1604 F5
Q1605 F5
Q1607 C3
Q1608 C3
AW_WCK
AW_SD0
DGND
AW_BCK
DGND
AW_MCK
DGND
TI_WARNG
PWM_N_RST
11
PWM_N_PDN
DAMP_PRT
DGND
PWM_SCL
PWM_SDA
DC_PRT
PWM_N_MUTE
AW_FS_I
AW_MOSI
10
DGND
AW_MISO
AW_FS_N_O
AW_RX_EN
AW_TX_EN
DIGITAL
(CB504)
REMOTE
DGND
IR_FLASHER
DGND
D4_N_IRQ
D4_PON
D4_N_DISABLE
11
D4_N_RST
D4_MISO
D4_MOSI
D4_N_CS
D4_SCK
D4_N_WARNG
DGND
DIR_MCK
DGND
DSP_BCK
10 DGND
DSP_S
DSP_C
DSP_F
DSP_WF
DSP_WCK
DIGITAL
(CB503)