Block Diagram - Video Section - Sony STR-K7100 - Multi Channel Av Receiver Service Manual

5-4. BLOCK DIAGRAM — VIDEO SECTION —
J301
–1
Y
–2
P C
B/ B
SAT
VIDEO
–3
P C
IN R/ R
–4
Y
V5
DVD
COMPONENT
P C
B/ B
VIDEO
VIDEO
–6
IN
P C
R/ R
V7
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
J298 (1/2)
–1
VIDEO 3 IN/
VIDEO
PORTABLE AV IN
STR-K7100
COMPONENT VIDEO SELECT
IC304
V+1,+2
6dB AMP +5V-3
CH1 IN1
1
CH1 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
–5V-3
SW1 SW2 P.SAVE
2 4 21
COMP_S1 COMP_S2 V MUTE
INPUT
SELECTOR
IC203
V1
6dB AMP
13
75Ω
DRIVER
DVD
5
6dB AMP
SAT
3
75Ω
DRIVER
V3
9
14 2 10 4 6
D203 D204
J302
Y
–1
MONITOR COMPONENT
P C
B/ B OUT VIDEO
–2
P C
R/ R
–3
IC807
+5V
+15V
+5V-3 3 1
REG
IC804
–5V
–15V
–5V-3 3 2
REG
VCC
+5V-3
M.OUT
1
V1 OUT
15
COMP_S1
VEE
COMP_S2
–5V-3
V MUTE
V_SW1
V_SW2
V_SW3
V_SW4
17 17
J201 (2/2) -2
VIDEO
MONITOR
OUT
J200 (2/2)
-3
VIDEO
VIDEO 1
OUT
SYSTEM CONTROL
IC1907 (3/6)
V COMP SW1
30
• Signal path
V COMP SW2
29
V MUTE : VIDEO
28
34 V_SW1
V_SW2
33
V_SW3
32
V_SW4
31
STR-K7100