Sony STR-K1600 - Receiver Component Service Manual
STR-K1600
17
17
STR-K1600
5-3. BLOCK DIAGRAM — VIDEO SECTION —
1
CH1 IN1
CH2 IN2
CH2 IN1
CH3 IN2
CH3 IN1
CH1 IN2
CH2 IN3
CH3 IN3
CHI OUT
CH2 OUT
CH3 OUT
2
4
Y
P
B/
C
B
P
R/
C
R
Y
SW1
SW2
COMP_S1
COMP_S2
P
B/
C
B
P
R/
C
R
Y
P
B/
C
B
P
R/
C
R
J301
J201 (1/2)
22
75Ω
DRIVER
6dB AMP
20
75Ω
DRIVER
6dB AMP
18
75Ω
DRIVER
6dB AMP
21
P.SAVE
V MUTE
13
D203
D204
10
4
13
J200 (1/2)
5
3
SAT
IN
DVD
IN
VIDEO 1
IN
VIDEO
IN
VIDEO
IN
COMPONENT
VIDEO
-1
-2
-3
-4
-5
-6
-7
-8
-9
Y
P
R/
C
R
P
B/
C
B
J302
MONITOR
OUT
COMPONENT
VIDEO
-1
1
75Ω
DRIVER
6dB AMP
15
3
1
75Ω
DRIVER
6dB AMP
-2
J201 (2/2)
J200 (2/2)
-2
-3
-1
VIDEO 1
DVD
SAT
-2
VIDEO
IN
-1
VIDEO
OUT
VIDEO 1
-3
VIDEO
OUT
MONITOR
+5V
REG
IC807
+5V-3
3
2
-5V
REG
IC804
-5V-3
COMP_S1
COMP_S2
V_SW2
V_SW4
COMP MUTE
V_SW1
COMP_S1
COMP_S2
V_SW2
V_SW4
V MUTE
V_SW1
SYSTEM CONTROL
IC1101 (3/6)
VEE
-5V-3
VCC
+5V-3
+15V
-15V
M.OUT
V1 OUT
V-1,-2
-5V-3
V+1,+2
+5V-3
V1
J298 (1/2)
9
VIDEO
-1
VIDEO 3 IN/
PORTABLE AV IN
V3
DVD
SAT
V_SW1
V_SW2
V_SW3
SW1
SW2
SW3
6
V_SW4
SW4
INPUT
SELECTOR
IC203
COMPONENT VIDEO SELECT
IC304
2
SW5
91
90
78
78
24
25
25
V_SW2
V_SW3
25
76
3
CH1 IN3
5
7
9
11
16
14
12
• Signal path
: VIDEO