Block Diagram - Video Section - Sony STR-K1600 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
5-3. BLOCK DIAGRAM — VIDEO SECTION —
J301
-1
Y
-2
P C
B/ B
SAT
IN
-3
P C
R/ R
-4
Y
-5
COMPONENT DVD
P C
B/ B
VIDEO IN
-6
P C
R/ R
-7
Y
-8
VIDEO 1
P C
B/ B
IN
-9
P C
R/ R
J201 (1/2)
-1
VIDEO
VIDEO 1
IN
J200 (1/2)
-2
VIDEO
DVD
IN
-1
VIDEO
SAT
IN
T E
L 1 3 9 4 2 2 9 6 5 1 3
J298 (1/2)
-1
VIDEO 3 IN/
VIDEO
PORTABLE AV IN
w w w
STR-K1600
COMPONENT VIDEO SELECT
IC304
V+1,+2
6dB AMP
CH1 IN1
1
CHI OUT
75Ω
CH1 IN2
3 22
DRIVER
CH1 IN3
5
6dB AMP
CH2 IN1
7
CH2 OUT
CH2 IN2 75Ω
9 20
DRIVER
CH2 IN3
11
6dB AMP
CH3 IN1
16
CH3 OUT
75Ω
CH3 IN2
18
14
DRIVER
CH3 IN3
12
V-1,-2
SW1 SW2 P.SAVE
2 4 21
COMP_S1 COMP_S2 V MUTE
INPUT
SELECTOR
IC203
V1
6dB AMP
13
DVD
5
6dB AMP
SAT
3
V3
9
13 2 10 4 6
D203 D204
x a o
y
. i
http://www.xiaoyu163.com
+5V-3
J302
Y
-1
MONITOR COMPONENT
P C
B/ B OUT VIDEO
-2
P C
R/ R
-3
-5V-3
IC807
+5V
+15V
+5V-3 3 1
REG
IC804
-5V
-15V
-5V-3 3 2
REG
VCC
+5V-3
M.OUT
75Ω
1
DRIVER
V1 OUT
75Ω Q Q
15
3 7 6
DRIVER
VEE
-5V-3
u 1 6 3
.
17 17
http://www.xiaoyu163.com
2 4
8 9 9
J201 (2/2) -2
VIDEO
MONITOR
OUT
J200 (2/2)
-3
VIDEO
VIDEO 1
3 1 5 1 5 0 8 9 2
OUT
SYSTEM CONTROL
IC1101 (3/6)
COMP_S1
COMP_S1
91
• Signal path
COMP_S2
COMP_S2
90
V MUTE
COMP MUTE : VIDEO
78
V_SW1
24 V_SW1
V_SW2
V_SW2
25
V_SW3
V_SW2
25
V_SW4
V_SW4
76
m
c o
STR-K1600
2
8 9 9
4 9 8 2 9 9