Yamaha YSP-4300 - Page 110

AC IN
DRIVER
2
3
1
YST
RY1
F301
PROTECTION
LIMITER
D4,5
-
+
+B
-B
Q7,9,13,20
R61
POWER AMPLIFIER
Q3-6,8,10-12,18
6
5
7
-
+
+
-
IC201A IC201B
L.P.F
-12dB/oct
H.P.F
-12dB/oct
Q1,D6
15V
+B
-B
T2
L.P.F
-6dB/oct
NJM4580E NJM4580E NJM4580E
IC202A
IC505
DAC
PCM1781DBQR
-
+
Microprocessor
R5F21266SNFP
IC503
DSP
YSS952-QZE2
+5V
+3.3V
+1.8V
IC501
+3.3V
20MHz
XL501
1MHz
12
64
13
XL502
2
3
1
D201
Q2,D7
Regulator
-15V
D3
Power
Supply
LINE
FILTER
RY302
L302
ID Switch
SW201,202
Air Wired
T301
D314
Power
Supply
Regulator
KIA7805PI
IC303
RP132H331D-T1-FE
Regulator
IC504
+1.8V
+3.3V
+5V
RELAY
RY302
Regulator
RP130Q181D-TR-F
IC506
+5V
XL100
LINK indicator
MAIN
r 4FFQBHF→
SCHEMATIC DIAGRAM
DSP
r 4FFQBHF→
SCHEMATIC DIAGRAM
ABCDEFGH I J
1
2
3
4
5
6
7
110
YSP-CU4300/YSP-CU3300/NS-WSW160
Power Amplifier Section Block Diagram
NS-WSW160
DRAFT