Yamaha YSP-4300 Service Manual page 110

A B
YSP-CU4300/YSP-CU3300/NS-WSW160
1
DSP
SCHEMATIC DIAGRAM
2
+5V
PCM1781DBQR
3
IC503
+3.3V
+1.8V
YSS952-QZE2
4
+3.3V
XL100
5
Air Wired
LINK indicator
+5V
6
7
110
C D
→ →
MAIN
SCHEMATIC DIAGRAM
IC202A IC201A
NJM4580E NJM4580E
IC505
2
1
DAC -
3
+
+
3 -
2
XL502
1MHz
L.P.F
12
L.P.F
-6dB/oct
-12dB/oct
DSP
13
XL501
+B
20MHz
-B
4 6
IC501
Microprocessor
R5F21266SNFP
15V
ID Switch
SW201,202
D201
-15V
+5V
+3.3V
IC506 IC504
Regulator Regulator
+1.8V
RP130Q181D-TR-F RP132H331D-T1-FE
E F
NS-WSW160
Power Amplifier Section Block Diagram
IC201B
NJM4580E
1 5
7
+
LIMITER
-
6
D4,5
H.P.F
-12dB/oct
Q1,D6
Power
Supply
Regulator
D3
Q2,D7
RELAY
RY302
IC303
Regulator
Power
KIA7805PI
Supply
D314
G H
POWER AMPLIFIER
Q3-6,8,10-12,18
+B
-
RY1
+
-B
YST
R61
PROTECTION
Q7,9,13,20
T2 F301
RY302
T301
LINE
FILTER
L302
I J
DRIVER
AC IN