Printed Wiring Boards - Display Board, Power Key Board - Sony STR-K990 Service Manual

Q Q
4-15. PRINTED WIRING BOARDS – DISPLAY BOARD, POWER KEY BOARD –
3 7 6 3 1 5 1 5 0
1 2
A
DISPLAY BOARD
CL060
JW140
CL058
CL047
CL059
CL061
CL062
JW170
B
CL046
JW171
CL051
MASTER VOLUME
CL003
C
CL010
H
CL011 CL002
DIGITAL
BOARD
CNS513
(Page 18)
D
S101
CL200
T E
L 1 3 9 4 2 2 9 6 5 1 3
MUTING
E
TP103
F
G
H
I
w w w
STR-K990
• See page 14 for Circuit Boards Location.
3 4 5
JW155
S103
JW118
R103
JW141
JW113
JW147
JW167 JW145
INPUT MODE
JW142 JW137
RV102
JW157 JW106
JW108
JW120
INPUT SELECTOR
JW107
JW109
JW126
JW163
JW114 JW169
RV101
CL042
JW135
S102
R101
AUTO CAL
x a o
y
. i
http://www.xiaoyu163.com
:Uses unleaded solder.
6 7 8
R197
S104
DISPLAY
JW154
(FLUORESCENT INDICATOR TUBE)
JW119
R120
JW102
3
R119
C147
IC101
1
IC103
C165 JW117
C149
A.F.D
S105 S106 S107
Q Q R105
3 7 6
MUSIC MOVIE
R106
POWER KEY BOARD
5
u 1 6 3
1
.
29 29
http://www.xiaoyu163.com
2 4
8 9 9
9 10 11
JW160
JW149
JW116
JW115
JW125
JW158
JW133
FL101
C144
C162
JW127
JW121
JW105
IC100
C110
JW1101
C111
R115 C112
C115
R118
R116
R117
TUNING
+
–
S108 S111
S110
S109
R108
3 1 5 1 5 0 8 9 2
TUNING
2CH
R109
R107
MODE
m
c o
STR-K990
2
8 9 9
12 13 14
CL028
1
CL029
M
3
CL030
4
R198
JW103
MAIN
JW165
BOARD
CL009
CNP507
CL005 (Page 24)
C148
CL008
CL032
CL031
CL007
CL066
CL065
CL064
JW161
5
JW129
CL063
JW136
JW159
CL023
CL022
CL024
JW143
CNP106
S112
1 R
2
CL004
CL201
DCAC
R110
4 9 8 2 9 9
MEMORY/ TP102 12 BOARD
ENTER
CN2000
(12)
1-872-431-
(5pin)
(Page 33)
I /
S100
SPEAKERS
(OFF/A/B/A+B)
S115
12
(12)
1-872-432-