Schematic Diagram - Video Board, Headphone Board - Sony STR-K995 Service Manual

Q Q
4-23. SCHEMATIC DIAGRAM – VIDEO BOARD, HEADPHONE BOARD –
3 7 6 3 1 5 1 5 0
1 2
A
VIDEO BOARD
JW204
J201
G
MONITOR VIDEO OUT
B
V2
R201
75
VIDEO IN
V1
VIDEO 1
J200
G
JW205
C
V3
VIDEO OUT
V2
DVD VIDEO IN
SAT VIDEO IN V1
D
R303
J302
75
Y
R302
75
MONITOR
P /C
B B
OUT
T E
L 1 3 9 4 2 2 9 6 5 1 3
E
R301
75
P /C
R R
JW206
G
F
J301
R312 75
P R /C R
R311
75
VIDEO1
P /C
B B
IN
R310 75
Y
G
R306 75
P R /C R
R305 75
COMPONENT
DVD IN
P /C
B B
VIDEO
R304 75
Y
H
R309 75
P R /C R
75
R308
SAT IN P /C
B B
R307 75
Y
I
w w w
STR-K995
• See page 45 for IC Block Diagrams.
3 4 5
C210
C214
47
0.1
R220 16V
75
C209
50V
C208
10
50V
16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8
R200
75
C213
47
R218 16V
75
C206
D204
D203
10
1SS133T-72
50V 1SS133T-72
R221
75
C207
10
50V
22 21 20 19 18 17 16 15 14
C316
10
50V
IC304
1 2 3 4 5 6 7 8 9
VIDEO AMP
C315
10
IC B/D
50V
C314
10
50V
C309
10
50V
C308
10
50V
C313
10
50V
C312
10
50V
C311
10
50V
C310
10
50V
x a o
y
. i
http://www.xiaoyu163.com
6 7 8
10
IC807
TA7805S
5
O I I
2
G
C220 3
IC203 47
16V
VIDEO AMP
IC B/D
IC804
C221
TA79005S
47
16V
-5
O I I
2
G
C215
0.1
50V 1
Q Q
3 7 6
C341
0.1
13 12
C338
C330
47
0.1
16V
10 11
C337
C331
47
0.1
16V
u 1 6 3
37 37
http://www.xiaoyu163.com
2 4
8 9 9
9 10 11
VIDEO3 BOARD
1 GND
Q
R219 75
CN201
2 VIDE03
(4,5pin)
3 GND
(Page 35)
CNP202
3P
IC807
HP_DETECT
MAIN BOARD (2/4)
+5V REG
NC
I
CN792
15.5
1 HP_R
(Page 27)
C223 HP_GND
0.47 CNP203
4P
HP_L
CL085
4 +15V
CL086
3 GND
O
C224
0.47 2 NC
CL087
-18
MAIN BOARD (4/4)
3 1 -15V
CN505
(Page 29)
IC804
-5V REG
CNS206
7P
3 1 5 1 5 0 8 9 2
7 V MUTE
6 COMP SW2
A
5
COMP SW1
4 V. SW1
DIGITAL
3 V. SW2 BOARD
(1/5)
2 V. SW3
CNS509
1 V. SW4
(Page 20)
No mark:FM
m
c o
.
STR-K995
2
8 9 9
12 13 14
HEADPHONE BOARD
CL071
6
1
7
CL072
2 J790
2
1
PHONES
C790 5
3
0.1 4
CL073
3
4
CL074
5
C791
CNP790
0.1
5P
TP790
(CHASSIS)
BT700
(CHASSIS)
4 9 8 2 9 9