Yamaha YSP-4300 - Page 109

C3
C2
C1
L2F1
R1
L3
C4
P2
PT
P1
NC
NC
V1
V2
S3
S4
NC
NC
S2A
S2B
S1A
S1B
NC
+26D
DGND
C23
T1
D20
D1
Q2
L4
L6
L7
Regulator
SI-8008TFE
SI-8008TFE
IC11
+12D
+12D
Control IC
FA5511N-D1-TE1
IC1
C24
P-CON
Regulator
IC12
+3.3D
+3.3D
Control IC
MIP2F40MSSCF
IC2
P2
PT
P1
NC
V1
V2
V3
S1
S2A
S2B
S2C
S3A
S3B
NC
S3.3
SGND
T2
L10
L11
NC
D14
L5 D16 D17
S6.3
POWER
Detect
Circuit
AC_PWR_DWN
AC IN
IC3
IC7
IC6
IC13
IC4
Q1
D9
D10
D11
POWER
r 4FFQBHF→
SCHEMATIC DIAGRAM
Power
transformer
Power
transformer
ABCDEFGH I J
1
2
3
4
5
6
7
YSP-CU4300/YSP-CU3300/NS-WSW160
109
Power Supply Section Block Diagram
YSP-CU4300 YSP-CU3300
DRAFT