Schematic Diagram - Display Board, Power Board - Sony STR-K980 Service Manual

STR-K980
Q Q
3-15. SCHEMATIC DIAGRAM – DISPLAY BOARD, POWER BOARD –
3 7 6 3 1 5 1 5 0
T E
L 1 3 9 4 2 2 9 6 5 1 3
CNP101
3P
R114
1k
w w w
ON
STR-K980
• See page 39, 40 for IC Block Diagrams.
R198
1
R121
10
R122
75
C101
0.1
R123 C104
D105
10k 0.1
SEL5E20C-STP15
(MULTI CHANNEL
DECODING lamp)
Q110
2SC1740S-QRT
R131
LED DRIVE
2.2k
R118
82k
R115
100
R116 100
IC100
PT6315
R117
100
IC102
RPM7240-H4
C100
R119
0.1
100
C115
10
C114
50V
0.22
JW
C145
C147
0.1
220p
IC101
MC74ACT08P
CN101
4P C149
C148
220p
220p
x a o
y
. i
http://www.xiaoyu163.com
8
FL101
Q Q
3 7 6 3
R107
2.2k
C144
0.1
L102
JW
u 1 6 3
.
30 30
http://www.xiaoyu163.com
2 4
9 9 8
R199
1
L103
JW
C151
0.1
C152
L101 C150
0.1
JW 0.1
1 5 1 5 0 8 9 2 4
R106 R105 R104 R103 R102 R101
1.5k 1k 680 470 330 220
R111 R110 R109 R108
680 470 330 220
RV102
ENCODER, ROTARY
C107
2200p
RV101
ENCODER, ROTARY
C106
2200p
m
c o
2
9 9
CNS100
23P
9 8 2 9 9