Block Diagram - Yamaha YSP-1000 Service Manual

A B
1
I BLOCK DIAGRAM (2/2)
2
• See page 67 →
INPUT(1)
SCHEMATIC DIAGRAM
3
4
D503
5
Q501
1
6
7
C D
D510
TH501
SWITCHING
POWER SUPPLY
Q505
IC504, 505, 511
RY501
T501
D501
D507
IC501
3 5
14
IC502
RESET CIRCUIT
4,6-11
Q502, Q504
IC503
E F
T502 D522
S1
D542 D528
IC510
S4
D523
IC511
S2
S3
D524 Q506
IC506
Q503
G H I
• See page 66 →
INPUT(2)
SCHEMATIC DIAGRAM
+5V
MGND
+12A
+12V
C556
+5VA
+5VA
IC509
C543
AGND
A12V
(+12A)
+12B
C557
AGND
+12V
AGND
AGND
-24V
+12B
POW_RY
S3.3
S3.3BK
GND
PW_DOWN
RESET
J
YSP-1000
V5V
IC8
C67
GND
IC16 +9V
C51, 55
GND
+5V
IC12
C88
GND
47