Printed Wiring Boards - Video Board, Headphone Board - Sony STR-K990 Service Manual

4-21. PRINTED WIRING BOARDS – VIDEO BOARD, HEADPHONE BOARD –
1 2
A
B
VIDEO BOARD
C
DIGITAL
BOARD
A
CNS509
(Page 18)
D
HDMI SW
S
BOARD
CN5004
(Page 37)
MAIN
E
BOARD
O
CN505
(Page 24)
TP200
F
STR-K990
• See page 14 for Circuit Boards Location.
3 4
J200
SAT DVD
VIDEO 1
VIDEO IN VIDEO IN VIDEO OUT VIDEO IN
R220
R221
R218
C206
C207
C208
JW209
JW208
6 IC203
C215
JW244
1
CNP202
CL088 C213
CL087
2
3
1 G
CL086
IC804
CL085
CL089
Q
:Uses unleaded solder.
5 6
COMPONENT VIDEO
J301
SAT IN DVD IN VIDEO 1 IN
J201
MONITOR
VIDEO OUT
C312
JW245
C310 C309
C313
C209
C311
C341
JW229
R303
R301
C210
C338
IC304
C337
C220
IC807
1 3 2
G
B200
VIDEO3
BOARD
CN201
(4,5pin)
(Page 33)
35 35
7 8
J302
MONITOR OUT
Y
HEADPHONE BOARD
P / C
B B
P / C
R R
C308
C316
JW234
JW236
JW214
JW224
R311
C315
C314
12
CL090 TP201
(12)
1-872-437-
STR-K990
9 10
MAIN
I
BOARD
CN792
(Page 24)
CL073 C791
TP790
CNP790
CL071
(CHASSIS)
JW791
CL072
CL074
BT700
12
(12)
1-872-433-
J790
PHONES
• Semiconductor
Location
Ref. No. Location
D203 C-3
D204 D-3
IC203 D-4
IC304 D-6
IC804 E-4
IC807 E-5