Block Diagram - Yamaha PC4800N Service Manual

PC9500N/PC4800N

BLOCK DIAGRAM

IN 1/5
JK401
INPUT
IC401
3
2
CN402-35P
CN401-35P
JK403
IN 5/5
CN401-35P
CN402-35P
IC401
5
6
JK402
SW801
JK801
JK802
PS10 2/2
PS5 2/2
Power Supply
PS10 1/2
PS5 1/2
6
（ブロックダイアグラム）
IC402-1/2
1
*1
SW402-1/2
SW401
IC403-1/2
-1/4
*1
7
*1
SW402-2/2
CN405-37P
CN801-37P
Clock
6.4512M
6 7
72
74
91, 92
57~60
102
104
IC802
CN801-37P
CN405-37P
CN602-9P
CN102-9P
SW101
CN101-4P
IC402-2/2
A ATT
A ATT
VR401
IC408 1/2
IN 3/5
RY401
IC403-2/2
B ATT
B ATT
VR402
IC408 2/2
RY402
IN 4/5
17 5
70, 69
93, 98
IC801
112P
95, 96
10, 11
54 66 4
94, 99
*1:IN 5/5
IN 2/5
LD704
CN701-11P
CN601-11P
RY403-1/2
IC406
RY403-2/2
CN801-37P CN405-37P
CN105-1P
YE
CN106-1P
BL
to PA Ach
CN107-1P BR
CN108-1P
YE
CN109-1P BL
to PA Bch
BR
CN110-1P
CN701-11P
CN102-9P CN602-9P
A
SW401
-2/4
-3/4
-4/4
*1
LD706
IN
A'